Title: Yrast Isomers In The Vicinity Of Sn-132
Authors: Lozeva, Radomira
Simpson, Gary
Neyens, Gerda
Grawe, Hubert
Balabanski, Dimiter #
Issue Date: 2009
Publisher: Amer inst physics
Host Document: Capture gamma-ray spectroscopy and related topics vol:1090 pages:164-168
Series Title: AIP Conference Proceedings
Conference: 13th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics Cologne, GERMANY, AUG 25-29, 2008
Abstract: The neutron orbitals h(11/2), d(3/2), s(1/2), determine the structure of the abundant yrast traps in the neutron-rich Sn isotopes close to Sn-132. In Sn-125,Sn-127,Sn-129 the high-spin members of the nu(d(3/2)(-1)h(11/2)(-2)) and nu(h(11/2)(-n)), seniority nu=3, multiplets form isomeric (23/2(+)) [1,2] and (27/2(-)) [2] states which were recently observed in relativistic fission of U-238 and fragmentation of Xe-136 at the RISING setup at GS1. These rather pure states and the mixed 19/2(+) isomers with a dominant nu(s(1/2)(-1)h(11/2)(-2)) configuration [3] are discussed. First evidence for a new isomer in Sn-128 with nu(d(3/2)(-1)h(11/2)(-3)) configuration analogue to the isotone Te-130 [4] is presented.
ISBN: 978-0-7354-0623-0
ISSN: 0094-243X
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Nuclear and Radiation Physics Section
# (joint) last author

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