A new μs isomer in 136Sb produced in the projectile fission of 238U

被引:37
|
作者
Mineva M.N. [1 ]
Hellström M. [1 ,2 ]
Bernas M. [3 ]
Gerl J. [2 ]
Grawe H. [2 ]
Pfützner M.
Regan P.H. [4 ]
Rejmund M. [5 ]
Rudolph D. [1 ]
Becker F. [5 ]
Bingham C.R. [6 ]
Enqvist T. [7 ]
Fogelberg B. [8 ]
Gausemel H. [9 ]
Geissel H. [2 ]
Genevey J. [10 ]
Górska M. [2 ]
Grzywacz R. [6 ]
Hauschild K. [5 ]
Janas Z.
Kojouharov I. [2 ]
Kopatch Y. [2 ]
Korgul A.
Korten W. [5 ]
Kurcewicz J.
Lewitowicz M. [11 ]
Lucas R. [5 ]
Mach H. [8 ]
Mandal S. [2 ]
Mayet P. [2 ]
Mazzocchi C. [2 ,12 ]
Pinston J.A. [10 ]
Podolyàk Zs. [4 ]
Schaffner H. [2 ]
Schlegel Ch. [2 ]
Schmidt K. [2 ]
Sümmerer K. [2 ]
Wollersheim H.J. [2 ]
机构
[1] Div. of Cosmic and Subatomic Physics, Lund University
[2] Gesell. fur Schwerionenforschung mbH
[3] Inst. de Phys. Nucl. d'Orsay, IN2P3-CNRS
[4] Department of Physics, University of Surrey, Guildford
[5] CEA Saclay, DSM/DAPNIA/SPhN
[6] Department of Physics, University of Tennessee, Knoxville
[7] Oliver Lodge Laboratory, University of Liverpool, Liverpool
[8] Department of Radiation Science, Uppsala University
[9] Department of Chemistry, University of Oslo, Blindern
[10] Inst. des Sciences Nucléaires, IN2P3-CNRS, Université Joseph Fourier
[11] Grand Accelerateur Natl. d'Ions L., F-14021 Caen Cedex
[12] Univ. degli Studi di Milano
关键词
PACS. 21.10.Tg Lifetimes – 21.60.Cs Shell model – 25.75.-q Relativistic heavy-ion collisions;
D O I
10.1007/s100500170091
中图分类号
学科分类号
摘要
The neutron-rich isotope 136Sb has been produced following the relativistic projectile fission of 238U in an experiment performed at the Fragment Separator at GSI, Darmstadt. Delayed γ-ray spectroscopy of the fission products has been performed after isotope separation. A new isomeric state in 136Sb has been populated, and its lifetime measured as T1/2 = 565(50) ns. Realistic and empirical shell-model calculations have been performed and are compared to the experimental observables.
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页码:9 / 13
页数:4
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