Publications (21)
Shape evolution in even-mass Zr isotopes via lifetime measurements using the -coincidence technique
G. Pasqualato, S. Ansari, J. S. Heines +82
The Zirconium (Z = 40) isotopic chain has attracted interest for more than four decades. The abrupt lowering of the energy of the first state and the increase in the transiti…
Technical Design Report for PANDA Electromagnetic Calorimeter (EMC)
PANDA Collaboration, W. Erni, I. Keshelashvili +407
This document presents the technical layout and the envisaged performance of the Electromagnetic Calorimeter (EMC) for the PANDA target spectrometer. The EMC has been designed to m…
Discovery of Br in secondary reactions of radioactive beams
K. Wimmer, P. Doornenbal, W. Korten +31
The proton-rich isotope 68Br was discovered in secondary fragmentation reactions of fast radioactive beams. Proton-rich secondary beams of 70,71,72Kr and 70Br, produced at the RIKE…
Manifestation of the Berry phase in the atomic nucleus Pb
J. J. Valiente-Dobón, A. Gottardo, G. Benzoni +57
The neutron-rich Pb isotope was produced in the fragmentation of a primary 1 GeV U beam, separated in FRS in mass and atomic number, and then implanted for isom…
Recoil-alpha-fission and recoil-alpha-alpha-fission events observed in the reaction Ca-48 + Am-243
U. Forsberg, D. Rudolph, L. -L. Andersson +51
Products of the fusion-evaporation reaction Ca-48 + Am-243 were studied with the TASISpec set-up at the gas-filled separator TASCA at the GSI Helmholtzzentrum für Schwerionenforsc…
AGATA - Advanced Gamma Tracking Array
S. Akkoyun, A. Algora, B. Alikhani +351
The Advanced GAmma Tracking Array (AGATA) is a European project to develop and operate the next generation gamma-ray spectrometer. AGATA is based on the technique of gamma-ray ener…
Technical Design Report for the PANDA Solenoid and Dipole Spectrometer Magnets
The PANDA Collaboration, W. Erni, I. Keshelashvili +407
This document is the Technical Design Report covering the two large spectrometer magnets of the PANDA detector set-up. It shows the conceptual design of the magnets and their antic…
Exploring the anomaly in the interaction cross section and matter radius of 23O
R. Kanungo, A. Prochazka, M. Uchida +37
New measurements of the interaction cross sections of 22,23O at 900A MeV performed at the GSI, Darmstadt are reported that address the unsolved puzzle of the large cross section pr…
High-precision mass measurements for the isobaric multiplet mass equation at A = 52
D. A. Nesterenko, A. Kankainen, L. Canete +21
Masses of Co, Co, Fe, Fe, and Mn have been measured with the JYFLTRAP double Penning trap mass spectrometer. Of these, Co and $^{5…
Structure of 55Ti from relativistic one-neutron knockout
P. Maierbeck, R. Gernhäuser, R. Krücken +62
Results are presented from a one-neutron knockout reaction at relativistic energies on 56Ti using the GSI FRS as a two-stage magnetic spectrometer and the Miniball array for gamma-…
Physics Performance Report for PANDA: Strong Interaction Studies with Antiprotons
PANDA Collaboration, W. Erni, I. Keshelashvili +411
To study fundamental questions of hadron and nuclear physics in interactions of antiprotons with nucleons and nuclei, the universal PANDA detector will be built. Gluonic excitation…
Shape coexistence and isospin symmetry in nuclei: Spectroscopy of the nucleus Kr
K. Wimmer, W. Korten, T. Arici +31
Excited states in the nucleus Kr have been populated using inelastic scattering of a radioactive Kr beam as well as one- and two-neutron removal reactions fr…
Performance of HPGe Detectors in High Magnetic Fields
A. Sanchez Lorente, P. Achenbach, M. Agnello +20
A new generation of high-resolution hypernuclear gamma$-spectroscopy experiments with high-purity germanium detectors (HPGe) are presently designed at the FINUDA spectrometer at DA…
New detectors for the kaon and hypernuclear experiments with KaoS at MAMI and with PANDA at GSI
P. Achenbach, C. Ayerbe Gayoso, R. Böhm +31
The KaoS spectrometer at the Mainz Microtron MAMI, Germany, is perceived as the ideal candidate for a dedicated spectrometer in kaon and hypernuclei electroproduction. KaoS will be…
Discovery and Cross-Section Measurement of Neutron-Rich Isotopes in the Element Range from Neodymium to Platinum at the FRS
J. Kurcewicz, F. Farinon, H. Geissel +46
With a new detector setup and the high-resolution performance of the fragment separator FRS at GSI we discovered 57 new isotopes in the atomic number range of 60: \…
Shape coexistence revealed in the isotope Kr through inelastic scattering
K. Wimmer, T. Arici, W. Korten +41
The nucleus Kr has been studied by inelastic scattering at intermediate energies. Two targets, Be and Au, were used to extract the nuclear deformation…
Direct observation of long-lived isomers in Bi
L. Chen, P. M. Walker, H. Geissel +40
Long-lived isomers in 212Bi have been studied following 238U projectile fragmentation at 670 MeV per nucleon. The fragmentation products were injected as highly charged ions into t…
Single-particle isomeric states in 121Pd and 117Ru
S. Lalkovski, A. M. Bruce, A. M. Denis Bacelar +30
Neutron-rich nuclei were populated in a relativistic fission of 238U. Gamma-rays with energies of 135 keV and 184 keV were associated with two isomeric states in 121Pd and 117Ru. H…
Search for Fingerprints of Tetrahedral Symmetry in
Q. T. Doan, D. Curien, O. Stezowski +28
Theoretical predictions suggest the presence of tetrahedral symmetry as an explanation for the vanishing intra-band E2-transitions at the bottom of the odd-spin negative parity ban…
Core-coupled states and split proton-neutron quasi-particle multiplets in 122-126Ag
S. Lalkovski, A. M. Bruce, A. Jungclaus +60
Neutron-rich silver isotopes were populated in the fragmentation of a 136Xe beam and the relativistic fission of 238U. The fragments were mass analyzed with the GSI Fragment separa…
Shape changes in the mirror nuclei Kr and Se
K. Wimmer, W. Korten, P. Doornenbal +35
We studied the proton-rich nucleus Kr through inelastic scattering at intermediate energies in order to extract the reduced transition probability, $B(E2;\;0^+ \rig…