Reiner Kruecken
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Structure and Dynamics of Rare Isotopes relevant for the synthesis of the heavy chemical elements in the universe Detector Technologies for the next generation neutrinoless double beta-decay search experiment nEXO
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Supervision Enquiry
Graduate Student Supervision
Doctoral Student Supervision (Jan 2008 - April 2022)
nEXO is the next-generation Enriched Xenon Observatory searching for neutrinoless double beta decay (0νββ) in ¹³⁶Xe. If observed, 0νββ will validate the neutrino to be its own anti-particle and determine the absolute mass scale of the neutrinos. nEXO's sensitivity is limited by the background level. Barium tagging is the ultimate background rejection method using the coincidence detection of ¹³⁶Ba as the daughter nucleus. A linear Paul trap (LPT) is needed for the barium tagging concept in nEXO or a future gaseous experiment. The theory of an ideal LPT was studied from first principles to obtain analytical solutions of the trapped ions and to validate a simulation method. Then simulations were done to optimize the design of a realistic final LPT. Meanwhile, prototypes of key components of the LPT were built for the experimental developments. A prototype of the LPT's quadrupole mass filter (QMF) achieved mass resolving power m/Δm around 140 and exceeded its requirement. A 3D printed prototype of the novel ion cooler demonstrated successful ion cooling, trapping and ejection. Based on the progress with the prototypes, improvements were made to the design of the final setup. The final LPT will be installed between an RF funnel and a high precision mass spectrometer for barium tagging of nEXO.
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Silicon PhotoMultiplier (SiPM) technology represents an unprecedented attempt to create an ideal solid-state photon detector, combining the low-light detection capabilities of the previous device generations with all the benefits of a solid-state sensor. For this reason, large-scale low-background cryogenic experiments, such as the next-generation Enriched Xenon Observatory experiment (nEXO), are migrating to a SiPM-based light detection system. nEXO aims to probe the boundaries of the standard model of particle physics by searching for neutrino-less double beta decay of ¹³⁶Xe. The nEXO experiment follows the same detection concept as the EXO-200 experiment, but uses 5 tonnes of liquid xenon inside a vacuum cryostat that is expected to be located at SNOLAB, the Canadian underground science laboratory. Decays in the xenon produce both light and ionization and it is important to measure both to achieve sufficient energy resolution and thus background rejection. In particular, electrons from the ionization drift in an applied electric field toward anode pads where they are measured. The light flash is simultaneously detected by an array of SiPMs. The technical goal of the proposed thesis is to study different SiPMs characteristics in order to choose the best SiPM technology for the nEXO experiment. This thesis will also introduce new mathematical models to better understand Geiger mode properties of SiPMs in order to optimize them for the next generations of double beta decay and dark matter experiments.
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The discovery of the proton and deuteron radius puzzles from Lamb shift measurements of muonic atoms has initiated experimental efforts to probe heavier muonic systems and casts doubt on earlier analysis based on ordinary atoms. For muonic atoms, the large muon mass results in a Bohr radius about 200 times smaller with respect to their electronic counterparts, making them sensitive to nuclear structure effects. These effects dominate the uncertainty budget of the experimental analysis and diminish the attainable accuracy of charge radii determinations from Lamb shift spectroscopy. This dissertation investigates the precision of nuclear structure corrections relevant to the Lamb and hyperfine splitting in muonic deuterium to support ongoingexperiments and shed light on the puzzles. Using state-of-the-art nuclear models, multivariate regression analysis and Bayesian techniques, we estimate the contribution of all relevant uncertainties for nuclear structure corrections in muonic deuterium and demonstrate that nuclear theory errors are well constrained and do not account for the deuteron radius puzzle. This uncertainty analysis was carried out using the “η-expansion” method that has also been applied to A ≥ 2 nuclei. This method relies on the expansion of a dimensionless parameter η, with η
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The neutron-rich cadmium isotopes around the well-known magic numbers at Z=50 and N=82 are prime candidates to study the evolving shell structure observed in exotic nuclei. Additionally, the extra binding energy observed around the nearby doubly-magic ¹³²Sn has direct implications for in astrophysical models, leading to the second r-process abundance peak at A≈130 and the corresponding waiting-point nuclei around N=82. The β-decay of the N=82 isotope ¹³⁰Cd into ¹³⁰In was investigated in 2002, but the information for states of the lighter indium isotope ¹²⁸In is still limited. Detailed beta-gamma-spectroscopy of ¹²⁸,¹³¹,¹³²Cd was accomplished using the GRIFFIN facility at TRIUMF. In ¹²⁸In, 32 new transitions and 11 new states have been observed in addition to the four previously observed excited states. The ¹²⁸Cd half-life has also been remeasured via the time distribution of the strongest gamma-rays in the decay scheme with a higher precision. For the decay of ¹³¹,¹³²Cd, results are compared with the recent EURICA data. These new results are compared with recent shell model and IMSRG calculations, highlighting the necessity to re-investigate even "well-known" decay schemes for missing transitions.
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The sudden onset of ground state deformation and the emergence of shape-coexisting states in the vicinity of N~60 and Z~40 has been a subject of substantial interest for many years. It has been shown that the emergence of deformed low-energy configurations can be explained in the shell model by the evolution of single particle structure and the interaction between protons and neutrons in certain valence orbitals. However, the numerous theoretical models that have been developed for this transitional region are limited by the experimental data that is available. In particular, a description of the underlying single particle configurations of low energy states is essential for a detailed description of this region. In this work, the single particle structure of states in ⁹⁵Sr and ⁹⁶Sr has been investigated through the one-neutron transfer reactions ⁹⁵ ⁹⁶Sr(d,p) in inverse kinematics at TRIUMF. In each of these experiments, a 5.5 MeV/u Sr beam was impinged on a 5.0 mg/cm² CD₂ target, and emitted particles and γ-rays were detected using the SHARC and TIGRESS detector arrays, respectively. Using an angular distribution analysis, firm spin assignments have been made for the first time of the low-lying 352 keV, 556 keV and 681 keV excited states in ⁹⁵Sr from ⁹⁴Sr(d,p), and a constraint has been made on the spin of the higher-lying 1666 keV excited state in ⁹⁵Sr. Similarly, angular distributions have been extracted for 14 states in 96Sr from ⁹⁵Sr(d,p), and new experimental constraints have been assigned to the spins and parities of 8 states in ⁹⁶Sr. Additionally, two new states in ⁹⁶Sr have been identified in this work. A measurement of the mixing strength between the 1229 keV and 1465 keV shape-coexisting states in ⁹⁶Sr was also made, which was found to be a²=0.48(17).
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Electromagnetic probes represent a fundamental tool to study nuclear structure and dynamics. The perturbative nature of the electromagnetic interaction allows for a clean connection between calculated nuclear structure properties and measured cross sections. Ab initio methods have long represented the gold standard for calculations of nuclear structure observables in light nuclei. Thanks to recent developments in the scientific community, ab initio calculations have finally reached the medium- and heavy-mass region of the nuclear chart. However, the challenges modern nuclear structure calculations face are multiple, ranging from the construction of nuclear forces from chiral effective field theory (χEFT) and the solution of the highly correlated quantum many-body problem, to a quantitative description of observables with solid treatment of uncertainties.The work presented in this thesis aims to contribute addressing some of these challenges, using the ab initio coupled-cluster (CC) theory formulation of the Lorentz integral transform (LIT) method. We combine the CC and LIT methods for the computation of electromagnetic inelastic reactions into the continuum. We show that the bound-state-like equation characterizing the LIT method can be reformulated based on extensions of the coupled-cluster equation-of-motion (EOM) method, and we discuss strategies for viable numerical solutions. We then focus on the calculation of the electric dipole polarizability (α_D), which quantifies the low-energy behaviour of the dipole strength and is related to critical observables such as the radii of the proton and neutron distributions. Using a variety of chiral interactions, and singles and doubles excitations, we study ⁴He, ¹⁶ ²²O and ⁴⁰ ⁴⁸Ca. Exploiting correlations between α_D and the charge radius, we predict the neutron-skin radius and the polarizability for the double-magic ⁴⁸Ca, the latter recently measured by the Osaka-Darmstadt collaboration. Finally, we study the impact of triples excitations on the dipole strength in ⁴He and ¹⁶O.
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The nuclear shell model (SM) has been very successful in describing the properties and the structure of near-stable and stable isotopes near the magic nuclei. Today, the advent of powerful facilities capable of producing radioactive isotopes far from stability has enabled the test of the SM on very proton-rich or neutron-rich magic nuclei. 100/50Sn50 is a proton-rich doubly-magic nucleus, but is nearly unstable against proton emission. Key topics of nuclear structure in this region include the location of the proton dripline, the effect of proton-neutron interactions in N ~ Z nuclei, single-particle energies of orbitals above and below the N = Z = 50 shell gaps, and the properties of the superallowed Gamow-Teller decay of ¹⁰⁰Sn. A decay spectroscopy experiment was performed on ¹⁰⁰Sn and nuclei in its vicinity at the RIKEN Nishina Center in June 2013. The isotopes of interest were produced from fragmentation reactions of 124/54Xe on a 9/4Be target, and were separated and identified on an event-by-event basis. Decay spectroscopy was performed by implanting the radioactive isotopes in the Si detector array (WAS3ABi) and observing their subsequent decay radiations. β⁺ particles and protons were detected by WAS3ABi, and γ rays were detected by a Ge detector array (EURICA). Of the proton-rich isotopes produced in this experiment, over 20 isotopes as light as ⁸⁸Zr and as heavy as ¹⁰¹Sn were individually studied. New and improved measurements of isotope/isomer half-lives, β-decay endpoint energies, β-delayed proton emission branching ratios, and γ-ray transitions were analyzed. In general the new results were well reproduced by the SM, highlighting a relatively robust ¹⁰⁰Sn core. However, the level scheme of ¹⁰⁰Sn's β-decay daughter nucleus ¹⁰⁰In was not conclusively determined because of several missing observations which were expected from various SM predictions. Significantly higher β-decay and γ-ray statistics are required on several nuclei, including ¹⁰⁰Sn, to evaluate the limit of the current understanding of their structure.
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Master's Student Supervision (2010 - 2021)
The Light only Liquid Xenon (LoLX) experiment is a small detector designed to investigate both scintillation and Cherenkov light emission in liquid xenon, validate photon transport in simulations and study Silicon Photo-Multiplier (SiPM) response. A new analytic framework for describing temporal scintillation signatures is presented, and the relationship between xenon’s refractive index and temperature is derived from literature. The energy deposition time is also calculated for relativistic alpha and beta particles, as it pertains to future phases of LoLX which will aim to measure the rise time of the scintillation signal. The characterization of the LoLX electronics shows single photon resolution and the system linearity was reported for prompt light pulses up to 200 photons. A framework is presented for describing external cross-talk (eXT), where a charge avalanche in one SiPM generates photons which trigger another device. Finally preliminary data from a gaseous nitrogen cooldown of LoLX is analyzed, which shows evidence for fluorescence in nitrogen and eXT, although no definitive conclusions are drawn.
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The method of Isotope Separation On-Line (ISOL) is one of the most successful ways to produce rare nuclei. Hitting a target material with accelerated particles generates heat and reaction products which then diffuse and effuse through the target material before they are released for ionization and extraction for experiments in nuclear physics, astrophysics, materials science, pharmaceuticals, and many more. The target material temperature dominates the release process and is limiting the primary beam intensity. Heat is dissipated from the beam spot through the target material, making the effective thermal conductivity of the target material critical for the ISOL process. Specifically-engineered microstructures have the potential to achieve better release properties. To address the thermal challenges in target materials, a deeper understanding of the thermal conductivity of these engineered materials is required.In this work, a numerical method is developed for evaluating the effective thermal conductivity of representative microstructures. A combined parallel and series model agrees with numerical data of four representative microstructures when thermal radiation through pores is considered by fitting a morphological parameter and a parameter describing the portion of series connections. Separately, a steady-state experimental-numerical method is used to determine the effective thermal conductivity of porous β-SiC slip-cast material and β-SiC pressed pellet material as a function of temperature up to 1200˚C and 1050˚C respectively. In addition, a new experimental apparatus for effective thermal conductivity is presented from conceptual design to operation.This thesis works towards understanding thermal transport through target materials. The new numerical method for material analysis, effective thermal conductivity measurements on SiC, and the establishment of the CHI system at TRIUMF for thermal conductivity measurements on target materials help build towards systematic studies of engineered materials in ISOL and beyond.
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Micrometer-sized dust particulates present in the LHC beam pipe are known to be causing a large number of sporadic beam loss events all around the LHC, some of which are large enough to provoke protection dumps or induce magnet quenches. These so-called Unidentified Falling Objects (UFOs) remain one of the important unknowns related to LHC operation after several years of high intensity beam operation in the LHC. In this thesis, the current understanding of the UFO problem is reviewed. The dynamics of charged dust particulates interacting with the LHC proton beam is discussed based on observations, theoretical predictions and numerical simulations. Using a reviewed version of the UFO model, it is found that the time profile of proton losses from half of the observed events present a time asymmetry which can't be explained with the current understanding of UFO dynamics. Furthermore, loss profiles recorded over more than 4 years of LHC operation are analyzed. It is shown that UFOs must carry an initial negative charge to explain the length of proton losses observed experimentally. Theoretical considerations, originally developed for dust-in-plasma, are introduced to support this claim. Plausible release mechanisms of UFOs in the LHC are also discussed, and the energy required for dust particulates to leave the walls of the beam chamber is presented. Finally, the theoretical possibility of having negatively charged dust particulates orbiting the proton beam of the LHC is discussed. It is found that stable orbits exist, but that only unstable orbits could result in important proton losses.
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Nuclei far from the traditional proton and neutron shell closures with “magic numbers” often deviate from spherical shapes and are deformed. The excited- state structure of these nuclei is built on the interplay of collective motions with single-particle degrees of freedom. Neutron-rich europium (Z = 63) nuclei around N = 104 are located midshell in both proton and neutron number. These nuclei exist in a region of large deformation, and the excited- state structure of these nuclei has not been studied in-depth yet. β-decay data was taken for a number of neutron-rich europium isotopes, including ¹⁶⁰Eu, at TRIUMF-ISAC using the GRIFFIN spectrometer. For this thesis, a comprehensive β-decay study was carried out on ¹⁶⁰Eu and the daughter ¹⁶⁰Gd. 10 new excited states and 41 new transitions have been identified in the excited-state level scheme of ¹⁶⁰Gd, and for the first time, a thorough analysis on the β-decay of ¹⁶⁰Eu was completed.
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Nuclei around doubly magic ¹³²Sn are of particular interest in nuclear structure as well as nuclear astrophysics. Their properties provide important input for the r-process as waiting-point nuclei. For example, their shell structure and half-lives affect the shape of the second r-process abundance peak at A∼130. In terms of nuclear structure, the evolution of single-particle levels near shell closures is ideal for testing the current nuclear models far from stability.There have been two studies on the decay of ¹²⁹Cd, however, the level schemes of ¹²⁹In have large discrepancies. Also, many of the spins of the excited states remain unclear. Therefore, the main purpose of the present study is to resolve the disagreements in the reported level schemes and to determine the properties of the energy states.The experiment was performed at the ISAC facility of TRIUMF, Canada. A 480 MeV proton beam, which was accelerated by the main cyclotron at TRIUMF, was impinged on an uranium carbide target to produce radioactive isotopes. ¹²⁹Cd was extracted using the Ion Guide Laser Ion Source (IG-LIS). γ-rays following the decays of ¹²⁹Cd were detected with the GRIFFIN spectrometer comprising of 16 high-purity germanium (HPGe) clover type detectors, along with the β-particles detected with SCEPTAR. The high statistics and the high sensitivity of the detectors allowed us to perform detailed and precise spectroscopy.A theoretical calculation was conducted using the shell model code NuShellX@MSU, employing the realistic residual interaction model jj45pna.The results of the analysis, including 29 new transitions and 5 new excited states, will be discussed and compared to the theoretical calculations.
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Publications
- The (6+) isomer in 102Sn revisited: Neutron and proton effective charges close to the double shell closure (2021)
Physics Letters B, 820, 136591 - High-spin structure of the sd shell nuclei Na25 and Ne22 (2020)
Physical Review C, 102 (6) - Spectroscopy of Cd-99 and In-101 from beta decays of In-99 and Sn-101 (2020)
Physical Review C, 102 (1) - Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of Hg-182, Hg-184, Hg-186 and Hg-188 (2019)
European Physical Journal A, 55 (8), 23 - Observation of excited states in Mg-20 sheds light on nuclear forces and shell evolution (2019)
Physical Review C, 99 (2), 6 - Structure of Mg-28 and influence of the neutron pf shell (2019)
Physical Review C, 100 (1), 14 - Toward the limit of nuclear binding on the N = Z line: Spectroscopy of Cd-96 (2019)
Physical Review C, 99 (2), 6 - In-beam internal conversion electron spectroscopy with the SPICE detector (2018)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 905, 180-187 - Study of silicon photomultiplier performance in external electric fields (2018)
Journal of Instrumentation, 13, 18 - Unexpected distribution of nu 1 f(7/2) strength in Ca-49 (2017)
Physical Review C, 95 (6), 5 - Coulomb dissociation of N-20,N-21 (2016)
Physical Review C, 93 (6), 11 - Development of a new RFQ beam cooler and buncher for the CANREB project at TRIUMF (2016)
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 376, 207-210 - Direct experimental evidence for a multiparticle-hole ground state configuration of deformed Mg-33 (2016)
Physical Review C, 94 (3) - First search for Lorentz and CPT violation in double beta decay with EXO-200 (2016)
Physical Review D, 93 (7), 6 - Half-lives of neutron-rich Cd128-130 (2016)
Physical Review C, 93 (6), 6 - Investigation of the role of Li-10 resonances in the halo structure of Li-11 through the Li-11(p, d)Li-10 transfer reaction (2016)
Physics Letters B, 755, 481-485 - New Isotopes and Proton Emitters-Crossing the Drip Line in the Vicinity of Sn-100 (2016)
Physical Review Letters, 116 (16), 6 - Nuclear astrophysics with radioactive ions at FAIR (2016)
Nuclear Physics in Astrophysics Vi, , - Observation of a large beta-delayed neutron emission component in Rb-102 decay and identification of excited states in Sr-102 (2016)
Physical Review C, 93 (5), 6 - Search for 2 nu beta beta decay of Xe-136 to the 0(1)(+) excited state of Ba-136 with the EXO-200 liquid xenon detector (2016)
Physical Review C, 93 (3), 9 - Shape coexistence and evolution in Sr-98 (2016)
Physical Review C, 93 (1), 6 - Spectroscopy of Ar-46 by the (t, p) two-neutron transfer reaction (2016)
Physical Review C, 93 (4), 10 - Statistical hadronization model analysis of hadron yields in p plus Nb and Ar plus KCl at SIS18 energies (2016)
European Physical Journal A, 52 (6), 10 - Systematic investigation of projectile fragmentation using beams of unstable B and C isotopes (2016)
Physical Review C, 93 (5), 9 - The TRIUMF-ISAC facility: two decades of discovery with rare isotope beams (2016)
Physica Scripta, 91 (9) - An RF-only ion-funnel for extraction from high-pressure gases (2015)
International Journal of Mass Spectrometry, 379, 110-120 - Digital Rise-Time Discrimination of Pulses from the TIGRESS Integrated Plunger Silicon PIN Diode Wall (2015)
23rd International Conference on the Application of Accelerators in Research and Industry - CAARI 2014, 66, 524-531 - Evidence of Soft Dipole Resonance in Li-11 with Isoscalar Character (2015)
Physical Review Letters, 114 (19), 5 - Experimental study of the Ni-66(d, p) Ni-67 one-neutron transfer reaction (2015)
Physical Review C, 91 (5), 15 - K*(892)(+) production in proton-proton collisions at E-beam=3.5 GeV (2015)
Physical Review C, 92 (2), 7 - New Opportunities in Decay Spectroscopy with the GRIFFIN and DESCANT Arrays (2015)
23rd International Conference on the Application of Accelerators in Research and Industry - CAARI 2014, 66, 465-470 - Nuclear structure of Si-37,Si-38 investigated by decay spectroscopy of Al-37,Al-38 (2015)
European Physical Journal A, 51 (9), 9 - Partial wave analysis of the reaction p(3.5 GeV) + p -> pK(+) Lambda to search for the "ppK(-)" bound state (2015)
Physics Letters B, 742, 242-248 - Single-neutron orbits near Ni-78: Spectroscopy of the N=49 isotope Zn-79 (2015)
Physics Letters B, 740, 298-302 - Spectroscopy of Ba and Ba+ deposits in solid xenon for barium tagging in nEXO (2015)
Physical Review A, 91 (2), 13 - Study of the quasi-free np -> np pi(+)pi(-) reaction with a deuterium beam at 1.25 GeV/nucleon (2015)
Physics Letters B, 750, 184-193 - Subthreshold Xi(-) Production in Collisions of p(3.5 GeV) + Nb (2015)
Physical Review Letters, 114 (21), 7 - An apparatus to manipulate and identify individual Ba ions from bulk liquid Xe (2014)
Review of Scientific Instruments, 85 (9) - Associate K-0 production in p plus p collisions at 3.5 GeV: The role of Delta(1232)(++) (2014)
Physical Review C, 90 (1) - B-13,B-14(n,gamma) via Coulomb Dissociation for Nucleosynthesis towards the r-Process (2014)
Nuclear Data Sheets, 120, 197-200 - Baryon resonance production and dielectron decays in proton-proton collisions at 3.5 GeV (2014)
European Physical Journal A, 50 (5) - CALIFA, a Dedicated Calorimeter for the (RB)-B-3/FAIR (2014)
Nuclear Data Sheets, 120, 99-101 - Coulomb excitation of Na-29,Na-30: Mapping the borders of the island of inversion (2014)
Physical Review C, 89 (2) - Coulomb excitation of neutron-rich Cd isotopes (2014)
Physical Review C, 89 (1) - DESCANT and beta-delayed neutron measurements at TRIUMF (2014)
15th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics (CGS), 93 - High-spin states in Te-124 (2014)
Physical Review C, 89 (1) - Isotopic S-32/S-33 ratio as a diagnostic of presolar grains from novae (2014)
Physics Letters B, 737, 314-319 - Lambda hyperon production and polarization in collisions of p(3.5 GeV)+Nb (2014)
European Physical Journal A, 50 (5) - Medium effects in proton-induced K-0 production at 3.5 GeV (2014)
Physical Review C, 90 (5) - REACTION OF THE HALO NUCLEUS Be-11 ON HEAVY TARGETS AT ENERGIES AROUND THE COULOMB BARRIER (2014)
Acta Physica Polonica B, 45 (2), 375-382 - Searching a dark photon with HADES (2014)
Physics Letters B, 731, 265-271 - Shape Coexistence in the Neutron- Deficient Even-Even Hg182-188 Isotopes Studied via Coulomb Excitation (2014)
Physical Review Letters, 112 (16) - Study of the deformation-driving nu d(5/2) orbital in Ni-67(28)39 using one-neutron transfer reactions (2014)
Physics Letters B, 736, 533-538 - The TIGRESS Integrated Plunger ancillary systems for electromagnetic transition rate studies at TRIUMF (2014)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 746, 87-97 - Thermonuclear reaction S-30(p,gamma)Cl-31 studied via Coulomb breakup of Cl-31 (2014)
Physical Review C, 89 (3) - An upper limit on hypertriton production in collisions of Ar(1.76 A GeV) + KCl (2013)
European Physical Journal A, 49 (11) - Baryonic resonances close to the (K)over-barN threshold: The case of Lambda (1405) in pp collisions (2013)
Physical Review C, 87 (2) - Beyond the neutron drip line: The unbound oxygen isotopes O-25 and O-26 (2013)
Physical Review C, 88 (3) - Collective nature of low-lying excitations in Zn-70,Zn-72,Zn-74 from lifetime measurements using the AGATA spectrometer demonstrator (2013)
Physical Review C, 87 (5) - Deep sub-threshold K*(892)(0) production in collisions of Ar + KCl at 1.76A GeV (2013)
European Physical Journal A, 49 (3) - Evidence for the existence of the astrophysically important 6.40-MeV state of S-31 (2013)
Physical Review C, 88 (5) - Excited 0(+) states in Zn-62 populated via the Zn-64(p,t)Zn-62 reaction (2013)
Physical Review C, 88 (3) - Experimental study of bound states in Be-12 through low-energy Be-11(d,p)-transfer reactions (2013)
Physical Review C, 88 (4) - Experimental Zn-64((d)over-right-arrow, t)Zn-63 spectroscopic factors: Guidance for isospin-symmetry-breaking calculations (2013)
Physical Review C, 87 (6) - Inclusive pion and eta production in p plus Nb collisions at 3.5 GeV beam energy (2013)
Physical Review C, 88 (2) - Measurement of the Dipole Polarizability of the Unstable Neutron-Rich Nucleus Ni-68 (2013)
Physical Review Letters, 111 (24) - Medium-spin states in Cs-135 (2013)
Physical Review C, 88 (6) - Position sensitive measurement of lithium traces in brain tissue with neutrons (2013)
Medical Physics, 40 (2) - RPID - A new digital particle identification algorithm for CsI(Tl) scintillators (2013)
European Physical Journal A, 49 (6) - Shape dynamics in neutron-rich Kr isotopes: Coulomb excitation of Kr-92, Kr-94 and Kr-96 (2013)
Nuclear Physics A, 899, 1-28 - The Miniball spectrometer (2013)
European Physical Journal A, 49 (3) - AGATA-Advanced GAmma Tracking Array (2012)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, - Baryonic resonances close to the (K)over-bar N threshold: The case of Sigma(1385)(+) in pp collisions (2012)
Physical Review C, 85 (3) - Evidence for a Smooth Onset of Deformation in the Neutron-Rich Kr Isotopes (2012)
Physical Review Letters, 108 (6) - Excited states of the Pm-150 odd-odd nucleus (2012)
Physical Review C, 85 (1) - First measurement of proton-induced low-momentum dielectron radiation off cold nuclear matter (2012)
Physics Letters B, 715 (4-5), 304-309 - Gamma-ray measurements in the one-neutron knockout of C-17, N-19, O-21 and F-25 (2012)
European Physical Journal A, 48 (7) - Inclusive dielectron spectra in p plus p collisions at 3.5 GeV kinetic beam energy (2012)
European Physical Journal A, 48 (5) - Influence of the np interaction on the beta decay of Pd-94 (2012)
Physical Review C, 86 (4) - One-neutron knockout from Sc51-55 (2012)
European Physical Journal A, 48 (12) - One-neutron removal reactions on Al isotopes around the N=20 shell closure (2012)
Physical Review C, 85 (4) - Production of Sigma(+/-)pi(-/+)pK(+) in p plus p reactions at 3.5 GeV beam energy (2012)
Nuclear Physics A, 881, 178-186 - Prolate shape of Ba-140 from a first combined Doppler-shift and Coulomb-excitation measurement at the REX-ISOLDE facility (2012)
Physical Review C, 86 (3) - States built on the 9/2(+) isomers in Y-91,Y-93 (2012)
European Physical Journal A, 48 (9) - Structure of the pygmy dipole resonance in Sn-124 (2012)
Physical Review C, 85 (6) - Superallowed Gamow-Teller decay of the doubly magic nucleus Sn-100 (2012)
Nature, 486 (7403), 341-345 - T-REX A new setup for transfer experiments at REX-ISOLDE (2012)
European Physical Journal A, 48 (6) - The HADES-at-FAIR project (2012)
Physics of Atomic Nuclei, 75 (5), 589-593 - Triaxial deformation and nuclear shape transition in Au-192 (2012)
Physical Review C, 86 (5) - Well Developed Deformation in Si-42 (2012)
Physical Review Letters, 109 (18) - 16(+) Spin-Gap Isomer in Cd-96 (2011)
Physical Review Letters, 107 (17) - beta-Decay Half-Lives of Very Neutron-Rich Kr to Tc Isotopes on the Boundary of the r-Process Path: An Indication of Fast r-Matter Flow (2011)
Physical Review Letters, 106 (5) - Coulomb excitation of Mg-31 (2011)
Physics Letters B, 700 (3-4), 181-186 - Coulomb excitation of the 3(-) isomer in Cu-70 (2011)
Physical Review C, 84 (6) - Development of axial asymmetry in the neutron-rich nucleus Mo-110 (2011)
Physics Letters B, 704 (4), 270-275 - Dielectron production in Ar plus KCl collisions at 1.76A GeV (2011)
Physical Review C, 84 (1) - DILEPTON PRODUCTION STUDIED WITH THE HADES SPECTROMETER (2011)
International Journal of Modern Physics A, 26 (3-4), 384-389 - Electron-beam-ignited, high-frequency-driven vacuum ultraviolet excimer light source (2011)
Epl, 94 (5) - Exploring the anomaly in the interaction cross section and matter radius of O-23 (2011)
Physical Review C, 84 (6) - High-resolution measurement of absolute alpha-decay widths in O-16 (2011)
Physical Review C, 83 (6) - High-spin isomers in Ag-96: Excitations across the Z=38 and Z=50, N=50 closed shells (2011)
Physical Review C, 84 (4) - Hyperon production in Ar plus KCl collisions at 1.76A GeV (2011)
European Physical Journal A, 47 (2) - Identification of the slow E3 transition C-136(s)m -> Cs-136 with conversion electrons (2011)
Physical Review C, 84 (1) - Improving the P-30(p,gamma)S-31 rate in oxygen-neon novae: Constraints on J(pi) values for proton-threshold states in S-31 (2011)
Physical Review C, 83 (4) - Introduction to shell structure in exotic nuclei (2011)
Contemporary Physics, 52 (2), 101-120 - Isomeric states observed in heavy neutron-rich nuclei populated in the fragmentation of a Pb-208 beam (2011)
Physical Review C, 84 (4) - Lifetime measurements probing triple shape coexistence in Au-175 (2011)
Physical Review C, 84 (5) - Low-lying level structure of the neutron-rich nucleus Nb-109: A possible oblate-shape isomer (2011)
Physics Letters B, 696 (3), 186-190 - Matter radii of Mg32-35 (2011)
Physical Review C, 83 (2) - Neutron particle-hole structure of states in Pb-208 determined from the proton decay of the d(5/2) isobaric analog resonance in Bi-209 (2011)
European Physical Journal A, 47 (2) - pp and pi pi intensity interferometry in collisions of Ar+KCl at 1.76A GeV (2011)
European Physical Journal A, 47 (5) - Production of Al-26 in stellar hydrogen-burning environments: Spectroscopic properties of states in Si-27 (2011)
Physical Review C, 84 (6) - Pulse shape analysis for gamma-ray tracking (Part I): Pulse shape simulation with JASS (2011)
European Physical Journal A, 47 (10) - Pulse shape analysis for gamma-ray tracking (Part II): Fully informed particle swarm algorithm applied to AGATA (2011)
European Physical Journal A, 47 (10) - Spatial Dynamics of DNA Damage Response Protein Foci along the Ion Trajectory of High-LET Particles (2011)
Radiation Research, 176 (6), 706-715 - States built on the 10(+) isomers in Sn-118,Sn-120,Sn-122,Sn-124 (2011)
Physical Review C, 84 (5) - Structural Evolution in the Neutron-Rich Nuclei Zr-106 and Zr-108 (2011)
Physical Review Letters, 106 (20) - Structure of N-22 and the N=14 subshell (2011)
Physical Review C, 83 (6) - Structure of states in Pb-208 with major components of the neutron particle-hole configuration nu(d(5/2)(+1)p(3/2)(-1)) (2011)
Journal of Physics G-Nuclear and Particle Physics, 38 (10) - Structures in O-20 from the C-14(Li-7, p) reaction at 44MeV (2011)
European Physical Journal A, 47 (3) - Table-top setup for investigating the scintillation properties of liquid argon (2011)
Journal of Instrumentation, 6 - Tumor growth delay experiment with a pulsed nanosecond proton microbeam (2011)
Strahlentherapie Und Onkologie, 187, 62 - Coulomb excitation of Ga-73 (2010)
Physical Review C, 82 (6) - Dilepton Production at SIS Energies Studied with HADES (2010)
Nuclear Physics A, 834 (1-4), 298C-302C - Discovery of the Shape Coexisting 0(+) State in Mg-32 by a Two Neutron Transfer Reaction (2010)
Physical Review Letters, 105 (25) - High-spin states in Nb-96,Nb-97 (2010)
Physical Review C, 82 (4) - In-medium effects on K-0 mesons in relativistic heavy-ion collisions (2010)
Physical Review C, 82 (4) - Investigation of 0(+) states in Pt-192 and Pt-194 isotopes (2010)
Physical Review C, 82 (2) - Isospin Character of the Pygmy Dipole Resonance in Sn-124 (2010)
Physical Review Letters, 105 (21) - Lambda-p femtoscopy in collisions of Ar + KCl at 1.76AGeV (2010)
Physical Review C, 82 (2) - Lifetimes of odd-spin yrast states in Hg-182 (2010)
Physical Review C, 81 (1) - Molecular and cluster structures in O-18 (2010)
European Physical Journal A, 43 (1), 17-33 - Observation of a new high-spin isomer in Pd-94 (2010)
Physical Review C, 82 (6) - Observation of five high-spin members of the g(9/2)f(7/2) multiplet in Pb-208 (2010)
European Physical Journal A, 44 (2), 233-238 - Observation of the 2(-) state in Pb-208 with a major s(1/2)p(3/2) structure and structure of ten more 2(-) states (2010)
European Physical Journal A, 46 (1), 17-26 - One-neutron knockout from light neutron-rich nuclei at relativistic energies (vol 82, art no 024305, 2010) (2010)
Physical Review C, 82 (2) - One-neutron knockout from Ne24-28 isotopes (2010)
Physics Letters B, 687 (1), 26-30 - One-neutron knockout of n-rich Ne isotopes at relativistic energies (2010)
Nuclear Physics A, 834 (1-4), 485C-487C - Origin of the low-mass electron pair excess in light nucleus-nucleus collisions (2010)
Physics Letters B, 690 (2), 118-122 - Positive parity states in Pb-208 excited by the proton decay of the isobaric analog intruder resonance j(15/2) in Bi-209 (2010)
Physical Review C, 82 (1) - Properties of Na-20, Al-24, P-28, Cl-32, and K-36 for studies of explosive hydrogen burning (2010)
Physical Review C, 82 (3) - Shell model and band structures in O-19 (2010)
European Physical Journal A, 46 (3), 345-358 - Structure of Mg-33 sheds new light on the N=20 island of inversion (2010)
Physics Letters B, 685 (4-5), 253-257 - Structure of the K-pi=4(+) bands in (186,) Os-188 (2010)
Physical Review C, 82 (3) - STUDY OF ELEMENTARY REACTIONS WITH THE HADES DIELECTRON SPECTROMETER (2010)
Acta Physica Polonica B, 41 (2), 365-377 - Study of the Ba-131 nucleus with the ((d)over-right-arrow, t) reaction (2010)
European Physical Journal A, 46 (2), 187-195 - Temperature dependence of the quenching of N-2 (C (3)Pi(u)) by N-2 (X) and O-2 (X) (2010)
European Physical Journal D, 56 (3), 325-334 - The scintillation of liquid argon (2010)
Epl, 91 (6) - Toward precise Q(EC) values for the superallowed 0(+) -> 0(+) beta decays of T=2 nuclides: The masses of Na-20, Al-24, P-28, and Cl-32 (2010)
Physical Review C, 81 (5) - A miniature electron beam pumped laser (2009)
European Physical Journal D, 54 (1), 103-109 - Collectivity of Po-196 at low spin (2009)
Physical Review C, 80 (1) - Could the GSI decay rate oscillations be observed in a standard electron capture decay experiment? (2009)
Physics Letters B, 672 (3), 227-229 - Deep Subthreshold Xi(-) Production in Ar plus KCl Reactions at 1.76A GeV (2009)
Physical Review Letters, 103 (13) - Electron beam induced light emission (2009)
European Physical Journal-Applied Physics, 47 (2) - Evolution of collectivity in Hg-180 and Hg-182 (2009)
Physical Review C, 80 (1) - High-resolution particle spectroscopy of Re-186 (2009)
Journal of Physics G-Nuclear and Particle Physics, 36 (9) - In-trap decay of Mn-61 and Coulomb excitation of Mn-61/Fe-61 (2009)
European Physical Journal A, 42 (3), 401-406 - ISOMERIC DECAY STUDIES IN NEUTRON-RICH N approximate to 126 NUCLEI (2009)
International Journal of Modern Physics E-Nuclear Physics, 18 (4), 1002-1007 - Lifetime measurement in Po-195 (2009)
European Physical Journal A, 39 (3), 291-294 - Low-energy Coulomb excitation of neutron-rich zinc isotopes (2009)
Physical Review C, 79 (1) - Measurement of charged pions in C-12+C-12 collisions at 1 A GeV and 2 A GeV with HADES (2009)
European Physical Journal A, 40 (1), 45-59 - Measurement of low-mass e(+)e(-) pair production in 1 and 2 A GeV C-C collision with HADES (2009)
European Physical Journal C, 62 (1), 81-84 - MESON AND DI-ELECTRON PRODUCTION WITH HADES (2009)
International Journal of Modern Physics A, 24 (2-3), 317-326 - NEUTRON KNOCKOUT AT RELATIVISTIC ENERGIES ACROSS THE psd SHELL (2009)
Acta Physica Polonica B, 40 (3), 859-862 - New Cl-34 proton-threshold states and the thermonuclear S-33(p,gamma)Cl-34 rate in ONe novae (2009)
Physical Review C, 80 (1) - NUCLEAR STRUCTURE ADDRESSED AT GSI/RISING (2009)
International Journal of Modern Physics E-Nuclear Physics, 18 (4), 759-766 - One-Neutron Removal Measurement Reveals O-24 as a New Doubly Magic Nucleus (2009)
Physical Review Letters, 102 (15) - phi decay: A relevant source for K- production at energies available at the GSI Schwerionen-Synchrotron (SIS)? (2009)
Physical Review C, 80 (2) - Position resolution of the prototype AGATA triple-cluster detector from an in-beam experiment (2009)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 604 (3), 555-562 - Q-value for the Fermi beta-decay of V-46 (2009)
European Physical Journal A, 42 (3), 339-342 - REVISION OF THE K-ISOMER IN W-190(116) (2009)
Acta Physica Polonica B, 40 (3), 885-888 - Role of cross-shell excitations in the reaction Fe-54((d)over-right-arrow, p)Fe-55 (2009)
European Physical Journal A, 40 (1), 35-43 - Scattering of 30 MeV He-3 from Re-185 (2009)
Physical Review C, 79 (1) - Shape Coexistence Near Neutron Number N=20: First Identification of the E0 Decay from the Deformed First Excited J(pi)=0(+) State in Mg-30 (2009)
Physical Review Letters, 103 (1) - Spectroscopy of Ne-32 and the "Island of Inversion" (2009)
Physical Review Letters, 103 (3) - Structure of neutron-rich nuclei around the N=126 closed shell; the yrast structure of Au-205(126) up to spin-parity I-pi = (19/2(+)) (2009)
European Physical Journal A, 42 (3), 489-493 - Structure of Ti-55 from relativistic one-neutron knockout (2009)
Physics Letters B, 675 (1), 22-27 - Study of the Ba-133 nucleus with the ((d)over-right-arrow, p) reaction (2009)
European Physical Journal A, 41 (3), 299-313 - The high-acceptance dielectron spectrometer HADES (2009)
European Physical Journal A, 41 (2), 243-277 - The live cell irradiation and observation setup at SNAKE (2009)
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 267 (12-13), 2090-2097 - THE NORTHWEST FRONTIER: SPECTROSCOPY OF N similar to Z NUCLEI BELOW MASS 100 (2009)
Acta Physica Polonica B, 40 (3), 611-620 - Weakly deformed oblate structures in Os-198(76)122 (2009)
Physical Review C, 79 (3) - Collisional population channels of the C (3)Pi(u) state and their impact on the fluorescence analysis of extensive air showers (2008)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 597 (1), 105-109 - Competition effect in DNA damage response (2008)
Radiation and Environmental Biophysics, 47 (4), 423-429 - Conversion efficiencies of electron beam energy to vacuum ultraviolet light for Ne, Ar, Kr, and Xe excited with continuous electron beams (2008)
Journal of Applied Physics, 103 (10) - Coulomb excitation of (68)(28)Ni(40) at "safe" energies (2008)
Physical Review C, 78 (4) - Development and characterization of a reactor-based high-intensity target-ion source (2008)
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 266 (19-20), 4261-4266 - Dielectron spectroscopy at 1-2 AGeV with HADES (2008)
European Physical Journal A, 38 (2), 163-166 - Doubly magic nucleus 270Hs (2008)
Abstracts of Papers of the American Chemical Society, 235 - Electron capture branching ratio measurements in an ion trap for double beta decay experiments at TITAN (2008)
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 266 (19-20), 4643-4646 - Exploring the dynamics of DNA-repair in living and fixed cells using the ion-microbeam-facility snake (2008)
Cellular Oncology, 30 (3), 273 - Influence of pressure on the relative population of the two lowest vibrational levels of the C (3)Pi(u) state of nitrogen for electron beam excitation (2008)
European Physical Journal D, 46 (1), 51-57 - Interplay between single-particle and collective effects in the odd-A Cu isotopes beyond N=40 (2008)
Physical Review Letters, 100 (11) - Lifetimes of intruder states in Pb-186, Pb-188 and Po-194 (2008)
Nuclear Physics A, 801 (3-4), 83-100 - Observation of the 3n evaporation channel in the complete hot-fusion reaction Mg-26+Cm-248 leading to the new superheavy nuclide (271)Hs (2008)
Physical Review Letters, 100 (13) - Quantitative analysis of DNA-damage response factors after sequential ion microirradiation (2008)
Radiation and Environmental Biophysics, 47 (4), 415-422 - Single-particle behavior at N=126: Isomeric decays in neutron-rich Pt-204 (2008)
Physical Review C, 78 (6) - Study of dielectron production in C+C collisions at 1 A GeV (2008)
Physics Letters B, 663 (1-2), 43-48 - Study of the Ba-130 nucleus with the (p, t) reaction (2008)
European Physical Journal A, 36 (3), 243-250 - Transmission of similar to 10 keV electron beams through thin ceramic foils: Measurements and Monte Carlo simulations of electron energy distribution functions (2008)
European Physical Journal D, 48 (3), 383-388 - A new setup for transfer reactions at REX-ISOLDE (2007)
Progress in Particle and Nuclear Physics Vol 59, No 1, 59, 386-388 - Collectivity in neutron-deficient Pb and Po nuclei (2007)
European Physical Journal-Special Topics, 150, 121-122 - Coulomb excitation of Cu-68,Cu-70: First use of postaccelerated isomeric beams (2007)
Physical Review Letters, 98 (12) - Coulomb excitation of neutron-rich (138,140,142) Xe at REX-ISOLDE (2007)
European Physical Journal-Special Topics, 150, 127-129 - Coulomb excitation of neutron-rich Zn isotopes: First observation of the 2(1)(+) state in Zn-80 (2007)
Physical Review Letters, 99 (14) - Dielectron production in C-12+C-12 collisions at 2 A GeV with HADES (2007)
Journal of Physics G-Nuclear and Particle Physics, 34 (8), S1041-S1045 - Dielectron production in C-12+C-12 collisions at 2A GeV with the HADES spectrometer (2007)
Physical Review Letters, 98 (5) - Dielectron production in C+C and p+p collisions with HADES (2007)
International Journal of Modern Physics A, 22 (2-3), 388-396 - Dilepton production in pp and CC collisions with HADES (2007)
European Physical Journal A, 31 (4), 831-835 - High-resolution study of 0(+) and 2(+) excitations in Er-168 with the (p, t) reaction (2007)
Physics of Atomic Nuclei, 70 (8), 1336-1343 - High-spin states in (191,193)Au and (192)Pt: Evidence for oblate deformation and triaxial shapes (2007)
Physical Review C, 76 (4) - High-spin states in Xe-135 (2007)
Physical Review C, 75 (5) - Measurement of the sign of the spectroscopic quadrupole moment for the 2(1)(+) state in Se-70: No evidence for oblate shape (2007)
Physical Review Letters, 98 (7) - Mixing strength in the two lowest 0(-) states in Pb-208 (2007)
Physical Review C, 75 (2) - New results from MINIBALL (2007)
Progress in Particle and Nuclear Physics Vol 59, No 1, 59, 321-328 - Probing the pairing-phase transition with pair-transfer reactions in unstable nuclei (2007)
European Physical Journal-Special Topics, 150, 107-108 - Transition from vibrational to rotational regimes in the pairing phase (2007)
Nuclear Physics A, 787, 524C-531C - Collectivity and configuration mixing in Pb-186,Pb-188 and Po-194 (2006)
Physical Review Letters, 97 (6) - Critical-point description of the transition from vibrational to rotational regimes in the pairing phase (2006)
Physical Review Letters, 96 (3) - Design and advanced preparation of multilayer converters for ultracold-neutron detectors (2006)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 561 (1), 45-51 - DNA-repair protein distribution along the tracks of energetic ions (2006)
Radiation Protection Dosimetry, 122 (1-4), 147-149 - Doubly magic nucleus (270)(108)Hs(162) (2006)
Physical Review Letters, 97 (24) - Dynamics of DNA repair proteins after directed heavy-ion cell irradiation (2006)
Radiation Research, 166 (4), 676 - Enhanced density of low-lying 0(+) states: A corroboration of shape phase transitional behavior (2006)
Physics Letters B, 638 (1), 44-49 - Evolution of 2(gamma)(+) wave functions and gamma-stiffness in well-deformed rare-earth nuclei (2006)
European Physical Journal A, 30 (2), 357-367 - Excimer laser pumped by an intense, high-energy heavy-ion beam (2006)
Physical Review Letters, 97 (15) - Exclusive measurements on Fe-56+p at 1 A Gev with the SPALADIN setup at GSI (2006)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 562 (2), 743-746 - Extensive investigation of 0(+) states in rare earth region nuclei (2006)
Physical Review C, 74 (4) - First observation of high-spin states in Se-83 (2006)
Physical Review C, 74 (3) - HADES experiment: Di-lepton spectroscopy in p+p (2.2 GeV) and C+C (1 and 2 A GeV) collisions (2006)
Acta Physica Polonica B, 37 (1), 139-151 - Hydrogen microscopy and analysis of DNA repair using focused high energy ion beams (2006)
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 249, 270-277 - Irradiation of living cells with single ions at the ion microprobe SNAKE (2006)
Acta Physica Polonica A, 109 (3), 273-278 - Low-energy phonon structure of Sm-150 (2006)
Physical Review C, 73 (3) - Methods for quantitative evaluation of dynamics of repair proteins within irradiated cells (2006)
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 245 (1), 298-301 - Preparation and investigation of thick carbon foils prepared by laser plasma ablation deposition (2006)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 561 (1), 4-10 - Radioactivity distribution at MAFF (2006)
European Physical Journal A, 29 (3), 369-381 - Radioactivity distribution in the MAFF beamline (2006)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 561 (1), 76-82 - Radiobiological experiments at the Munich microprobe SNAKE (2006)
Radiation Research, 166 (4), 668-669 - Spatial distribution of fluorescent light emitted from neon and nitrogen excited by low energy electron beams (2006)
Journal of Applied Physics, 100 (9) - The Munich microprobe SNAKE, a single-ion cell irradiation facility (2006)
Radiation Research, 166 (4), 654 - The vacuum system for the Munich fission fragment accelerator (2006)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 561 (1), 66-75 - Time-dependent radioactivity distribution in MAFF (2006)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 561 (1), 83-89 - "Safe" Coulomb excitation of Mg-30 (2005)
Physical Review Letters, 94 (17) - Alternative interpretation of E0 strengths in transitional regions (2005)
European Physical Journal A, 25, 455-456 - Anomalous behavior of the first excited 0(+) state in N approximate to Z nuclei (2005)
Physical Review C, 71 (1) - Coulomb excitation of neutron-rich beams at REX-ISOLDE (2005)
European Physical Journal A, 25, 397-402 - Decay out of the highly deformed band in Nd-133 (2005)
Physical Review C, 72 (3) - Di-electron measurements in C+C reactions at 2 GeV center dot A with HADES (2005)
Nuclear Physics A, 752, 433C-438C - Dilepton analysis in the HADES spectrometer for C-12+C-12 at 2 AGEV (2005)
International Journal of Modern Physics A, 20 (2-3), 602-605 - Dilepton analysis in the HADES spectrometer for C+C at 2 a GeV (2005)
Journal of Physics G-Nuclear and Particle Physics, 31 (4), S231-S237 - E2 transitions between positive- and negative-parity states of the ground-state alternating-parity bands (2005)
European Physical Journal A, 25 (3), 387-396 - Energy-transfer processes in neon-hydrogen mixtures excited by electron beams (2005)
Journal of Chemical Physics, 123 (23) - Gas kinetic studies using a table-top set-up with electron beam excitation: quenching of molecular nitrogen emission by water vapour (2005)
European Physical Journal D, 33 (2), 207-211 - High-spin states in N=50 Br-85 and Rb-87 nuclei (2005)
Physical Review C, 71 (6) - Microirradiation of cells with energetic heavy ions (2005)
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 231 (4), 195-201 - Probing of in-medium hadron structure with HADES (2005)
Nuclear Physics A, 749, 150C-159C - RDDS lifetime measurement with JUROGAM plus RITU (2005)
European Physical Journal A, 25, 441-442 - Systematic exploration of 0(+) states in structurally diverse nuclei (2005)
Journal of Physics G-Nuclear and Particle Physics, 31 (10), S1399-S1403 - The neutron-rich Mg isotopes: first results from MINIBALL at REX-ISOLDE (2005)
Nuclear Physics A, 752, 273C-278C - The NuSTAR facilty at FAIR (2005)
Journal of Physics G-Nuclear and Particle Physics, 31 (10), S1807-S1811 - Ultraviolet emission from argon water-vapor mixtures excited with low-energy electron beams (2005)
Applied Physics Letters, 86 (1) - 3D hydrogen microscopy with sub-ppm detection limit (2004)
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 219, 980-987 - A new UHV system for the preparation of carbon stripper foils by laser plasma ablation deposition (2004)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 521 (1), 176-182 - Adherence problem for carbon films of up to 0.5 mg/cm(2) on vacuum-deposited thick ferromagnetic Gd targets (2004)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 521 (1), 17-21 - Alternative interpretation of sharply rising E0 strengths in transitional regions (2004)
Physical Review Letters, 93 (15) - Antireflection foils with multi-layer converter for ultracold neutron detectors (2004)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 521 (1), 242-246 - Applications of a broadband electron-beam pumped XUV radiation source (2004)
Journal of Physics D-Applied Physics, 37 (11), 1586-1591 - Charged hadrons and leptons identification at HADES (2004)
Acta Physica Slovaca, 54 (4), 375-384 - Electron beam pumped ultraviolet light sources (2004)
Light Sources 2004, , 367-368 - First results on in-beam gamma spectroscopy of neutron-rich Na and Mg isotopes at REX-ISOLDE (2004)
Nuclear Physics A, 746, 96C-102C - g factor of the 2(1)(+) state of Yb-164 (2004)
Physical Review C, 69 (3) - Investigation of deposition parameters for VUV reflective coatings on the HADES RICH mirrors (2004)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 521 (1), 35-42 - Particle identification at HADES (2004)
Nuclear Physics A, 734, 78-81 - Possible assignment of chiral twin bands in Ir-188 (2004)
Physical Review C, 70 (4) - Radioactive ion beam acceleration at MAFF (2004)
Nuclear Physics A, 746, 397C-400C - Shape changes and test of the critical-point symmetry X(5) in N=90 nuclei (2004)
European Physical Journal A, 20 (1), 173-178 - Study of e(+), e(-) production in elementary and nuclear collisions near the production threshold with HADES (2004)
Progress in Particle and Nuclear Physics, Vol 53, No 1, 53, 49-58 - The Munich accelerator for fission fragments - MAFF (2004)
Nuclear Physics A, 746, 22C-26C - The Munich microprobe setup for single-ion irradiation of cells (2004)
Radiation Research, 161 (1), 98 - UV light emission from electron beam excited Ar-H2O gas mixtures (2004)
Light Sources 2004, , 517-518 - B(E2) values and the search for the critical point symmetry X(5) in Mo-104 and Mo-106 (2003)
Physical Review C, 67 (5) - B(E2) values from low-energy Coulomb excitation at an ISOL facility: the N=80, 82 Te isotopes (2003)
Physics Letters B, 551 (3-4), 269-276 - Comment on "Reexamination of the N=90 transitional nuclei Nd-150 and Sm-152" (2003)
Physical Review C, 68 (5) - Competition between proton and neutron excitations in Zr-96 (2003)
Physics Letters B, 562 (3-4), 193-200 - Delayed backbending in the pi h(9/2) band of Ir-187 (2003)
Physical Review C, 68 (5) - Enhanced production of neutron-deficient fission fragments in heavy-ion-induced fusion reactions (2003)
Physical Review C, 67 (3) - Evidence for chiral symmetry breaking in Eu-140? (2003)
Physical Review C, 68 (5) - High-spin states in odd-odd Rh-106,Rh-108,Rh-110,Rh-112 (2003)
Physical Review C, 67 (6) - Mass measurement of Y-80 by beta-gamma coincidence spectroscopy (2003)
Physical Review C, 67 (3) - Measurement of 2(1)(+) level lifetimes in Yb-162 and Er-162 by fast electronic scintillation timing (2003)
European Physical Journal A, 16 (2), 177-180 - Recoil-gated plunger lifetime measurements in Pb-188 (2003)
Physical Review C, 68 (3) - SASSYER: An old instrument for new physics at Yale (2003)
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 204, 141-145 - Signature for vibrational to rotational evolution along the yrast line (2003)
Physical Review Letters, 90 (15) - B(E2) values in Nd-150 and the critical point symmetry X(5) (2002)
Physical Review Letters, 88 (23) - Coulomb excitation experiments with radioactive nuclear beams (2002)
Abstracts of Papers of the American Chemical Society, 224, U93 - Deviations from axial symmetry in Os-181 (2002)
Physical Review C, 66 (1) - High precision quadrupole moment measurements of states up to I-20h in the yrast band of Er-158 (2002)
Physical Review C, 65 (3) - High-j proton and neutron alignments in gamma-soft Ru-101 (2002)
Physical Review C, 66 (2) - Lifetime and B(E2) values for the 3(1)(+) level in Sm-152 (2002)
Physical Review C, 65 (6) - Lifetimes of quasideuteron configurations in the odd-odd N=Z nucleus Mn-50(25)25 (2002)
Physical Review C, 65 (2) - Low-spin structure of Dy-156 through gamma-ray spectroscopy (2002)
Physical Review C, 66 (5) - Pd-102: An E(5) nucleus? (2002)
Physical Review C, 65 (4) - Reply to "Comment on 'Two-phonon gamma-vibrational strength in osmium nuclei' " (2002)
Physical Review C, 66 (3) - Structure of low-lying states in Ba-128 from gamma-gamma angular correlations and polarization measurements (2002)
Physical Review C, 66 (2) - Chiral doublet structures in odd-odd N=75 isotones: Chiral vibrations (2001)
Physical Review Letters, 86 (6), 971-974 - Coulomb excitation of the 2(ms)(+) state of Ru-96 in inverse kinematics (2001)
Physical Review C, 64 (3) - Crossing of shears bands in Pb-197: B(M1) values and semiclassical description (2001)
Physical Review Letters, 87 (13) - Evidence for chiral symmetry breaking in Pm-136 and Eu-138 (2001)
Physical Review C, 63 (5) - Evidence for chiral symmetry in the mass A similar to 130 region (2001)
Nuclear Physics A, 682, 394C-398C - High-spin states in Rn-203 (2001)
Physical Review C, 64 (2) - Investigation of the decay out of superdeformed bands in Hg-194 by lifetime measurements (2001)
Physical Review C, 64 (5) - Investigation of the magnetic rotation in Pb-196 (2001)
European Physical Journal A, 11 (2), 121-124 - Lifetimes in neutron-rich fission fragments using the differential recoil distance method (2001)
Physical Review C, 64 (1) - Low-lying bands with different quadrupole deformation in Nd-133 (2001)
Physical Review C, 63 (1) - Magnetic rotation in Pb-197 and Pb-198 (2001)
Nuclear Physics A, 683, 108-144 - Measurements of Se-70, Se-71, Br-72, and Br-73 (2001)
Physical Review C, 63 (3) - Production and structure of the heaviest elements (2001)
Nuclear Physics A, 682, 98C-107C - Single particle degrees of freedom in the transition from deformed to spherical Nd nuclei (2001)
Physical Review C, 63 (2) - Spectroscopy of Pd-112 using heavy-ion-induced fission (2001)
European Physical Journal A, 10 (2), 151-155 - Spreading widths for superdeformed states in Hg-194 and Pb-194 (2001)
Physical Review C, 64 (6) - Study of low-lying levels of Ba-128 by gamma-gamma correlations and polarization measurements (2001)
Abstracts of Papers of the American Chemical Society, 221, U88 - Two-phonon gamma-vibrational strength in osmium nuclei (2001)
Physical Review C, 64 (1) - Coincidence recoil-distance Doppler-shift lifetime measurements in Ba-129,Ba-130 with EUROBALL Ge cluster detectors (2000)
Physical Review C, 61 (4) - Coulomb excitation of vibrational states in Th-232 with O-16 projectiles (2000)
Physical Review C, 61 (6) - Evidence for magnetic rotation in the light tin region (2000)
Physica Scripta, T88, 49-53 - Evidence for shears bands in Cd-108 (2000)
Physical Review C, 61 (1) - Evidence for superdeformation in Dy-149,Dy-150: Onset of the collapse of the Z=66 deformed shell closure? (2000)
Physical Review C, 61 (3) - First measurements of the g factors of the 2(1)(+) and 3(1)(-) states of semi-magic Zr-90(40) (2000)
Physics Letters B, 494 (3-4), 187-192 - High-spin studies of fission products in fusion-evaporation reactions (2000)
Physica Scripta, T88, 127-130 - Lifetime measurements in the picosecond range: Achievements and perspectives (2000)
Abstracts of Papers of the American Chemical Society, 219, U83 - Monte Carlo mixing simulation of the decay out of superdeformed bands in Hg-194 (2000)
Physical Review C, 62 (6) - Nuclear structure of Au-196: More evidence for its supersymmetric description (2000)
Physical Review C, 62 (6) - Observation of vh(11/12) sequences in odd A similar to 110 nuclei (2000)
Physical Review C, 61 (6) - Precision lifetime measurements using the recoil distance method (2000)
Journal of Research of the National Institute of Standards and Technology, 105 (1), 53-61 - Shears mechanism in Cd-109 (2000)
Physical Review C, 61 (3) - The YRAST Ball array (2000)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 452 (3), 431-439 - B(E2) values and phase coexistence in Sm-152 (1999)
Physical Review C, 60 (5) - Confirmation of the shears mechanism in near-spherical tin nuclei (1999)
Physical Review Letters, 83 (3), 500-503 - High-spin states in Rn-205: A new shears band structure? (1999)
Physical Review C, 59 (6), R2989-R2992 - Mass measurements along the rp-process path (1999)
Abstracts of Papers of the American Chemical Society, 217, U18 - Nature of excited 0(+) states in Sm-154 (1999)
Physics Letters B, 454 (1-2), 15-21 - Quadrupole moments of superdeformed bands in Tl-193 (1999)
European Physical Journal A, 5 (4), 367-370 - Shears mechanism in the A similar to 110 region (1999)
Physical Review Letters, 82 (16), 3220-3223 - Single particle contributions to the structure of low-lying states of Cr, Ti, Se, Zr and Nd nuclei via precision g-factor measurements (1999)
Revista Mexicana De Fisica, 45, 50-54 - Spin dependence of d(5/2) neutron configurations in the wave functions of Zr-92,Zr-94 from g-factor measurements (1999)
Physics Letters B, 468 (1-2), 13-19 - Status of the K-pi=O-2(+) band in Dy-162 (1999)
Physical Review C, 60 (5) - vh(1/2) bands in Pd-113 and Pd-115 (1999)
Physical Review C, 60 (3) - Comparative quadrupole moments of superdeformed bands in Pb193-196 (1998)
Physics Letters B, 434 (1-2), 14-20 - Decreasing collectivity in smoothly terminating bands in the A similar to 110 region (1998)
Physical Review Letters, 80 (6), 1174-1177 - Detailed angular correlation analysis with 4 pi spectrometers: Spin determinations and multipolarity mixing measurements in Ba-128 (1998)
Physical Review C, 58 (2), 721-728 - Fragmentation of the two-phonon octupole vibrational states in Pb-208 (1998)
Physical Review C, 58 (5), R2631-R2635 - Gamma-ray polarization sensitivity of the Gammasphere segmented germanium detectors (1998)
Nuclear Instruments & Methods in Physics Research Section a-Accelerators Spectrometers Detectors and Associated Equipment, 417 (1), 95-110 - In-band M1 and E2 transition rates and collective structures in Ba-128 (1998)
Nuclear Physics A, 640 (3-4), 293-321 - Lifetime measurements of yrast and excited superdeformed bands in Hg-192,Hg-193 (1998)
Physical Review C, 57 (3), R1017-R1021 - Lifetimes near the bandhead of a shears band in Pb-198 (1998)
Physical Review C, 58 (4), R1876-R1879 - Magnetic rotation in Sn-106 and Sn-108 (1998)
Physics Letters B, 428 (1-2), 23-30 - Magnetic rotational bands in Sb-108 (1998)
Physical Review C, 58 (5), 2703-2709 - Octupole correlations at low spin in Te-108(52)56 (1998)
Physical Review C, 57 (3), R1022-R1026 - Quadrupole moments and identical superdeformed bands in Tb-149 (1998)
Physical Review C, 58 (3), 1422-1429 - Semiclassical description of the shears mechanism and the role of effective interactions (1998)
Physical Review C, 57 (3), R1073-R1076 - The shears mechanism in the lead isotopes (1998)
Physics Letters B, 440 (3-4), 251-256 - Decay out of the superdeformed band in Pb-194: Electromagnetic properties (1997)
Physical Review C, 55 (4), R1625-R1629 - Do superdeformed bands decay via electric monopole transitions? (1997)
Physical Review C, 55 (6), R2760-R2763 - Evidence for ''magnetic rotation'' in nuclei: Lifetimes of states in the M1 bands of Pb-198,Pb-199 (1997)
Physical Review Letters, 78 (10), 1868-1871 - Gamma-ray cluster identification in a spherical shell of highly segmented germanium detectors (1997)
Ieee Transactions on Nuclear Science, 44 (3), 975-978 - Lifetime measurements and decay of superdeformed bands in Hg isotopes (1997)
Zeitschrift Fur Physik a-Hadrons and Nuclei, 358 (2), 219-223 - Lowest four-quasiparticle magnetic dipole band in Ba-128 (1997)
Physical Review C, 56 (3), 1338-1343 - Octupole vibrations and signature splitting in even mass Hg superdeformed bands (1997)
Physical Review C, 55 (3), R999-R1001 - Population and detection of two-phonon octupole vibrational states in Pb-208 (1997)
Physical Review C, 56 (4), 2316-2319 - Recoil-distance Doppler-shift lifetime measurement of low-lying superdeformed states in Hg-194 (1997)
Physical Review C, 55 (3), R1002-R1006 - Search for hyperdeformation in Yb-168 (1997)
Physical Review C, 56 (5), 2502-2507 - Shears bands in the Pb region (1997)
Zeitschrift Fur Physik a-Hadrons and Nuclei, 358 (2), 237-238 - Structure of superdeformed bands in Hg-195 (1997)
Physical Review C, 55 (1), 148-154 - Yrast superdeformed band in Pb-194: J(pi) and E-x (1997)
Physical Review C, 55 (6), 2819-2825 - Decay out of superdeformed bands in the A approximate to 190 mass region (1996)
Physical Review C, 54 (3), 1182-1188 - Dynamic shape effect in Ba-126 at low spin (1996)
Physical Review C, 54 (5), R2119-R2123 - Excitation energies and spins of a superdeformed band in Hg-194 from one-step discrete decays to the yrast line (1996)
Physical Review Letters, 76 (10), 1583-1586 - Test of Delta I=2 staggering in the superdeformed bands of Hg-194 (1996)
Physical Review C, 54 (5), R2109-R2113 - LIFETIMES OF LOW-LYING STATES IN ND-132 AND ND-134 (1995)
Nuclear Physics A, 589 (3), 475-488 - MEASUREMENT OF THE MEAN LIFETIMES OF LOW-SPIN STATES IN THE SUPERDEFORMED BAND IN ND-133 (1995)
Zeitschrift Fur Physik a-Hadrons and Nuclei, 352 (1), 15-23 - DECAY OUT OF LOW-SPIN SUPERDEFORMED STATES IN PB-194 BY WEAK MIXING WITH NORMAL DEFORMED STATES (1994)
Physical Review Letters, 73 (25), 3359-3362 - RDDS MEASUREMENTS OF COLLECTIVE E2-TRANSITION STRENGTHS IN XE-122 (1994)
Nuclear Physics A, 568 (3), 572-600 - RDDS COINCIDENCE LIFETIME MEASUREMENT FOR 2 SUPERDEFORMED STATES IN HG-192 (1993)
Journal of Physics G-Nuclear and Particle Physics, 19 (11), L177-L182 - Effect of Soil Environment on the Efficacy of Fungal Pathogens against Scarab Grubs in Laboratory Bioassays (1991)
Biological Control, 1 (3), 203-209
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