期刊
PHYSICS LETTERS B
卷 728, 期 -, 页码 136-140出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2013.11.024
关键词
Isotopic identification; Fission fragments; Large isospin and high angular momentum; Neutron-rich Zr isotopes; Interacting boson model
资金
- LIA France-India agreement
Measurements of prompt gamma rays in coincidence with isotopically-identified fission fragments, produced in collisions of U-238 on a Be-9 target, at an energy around the Coulomb barrier are reported. This technique provides simultaneous access to the spectroscopy of many nuclei, extending to very neutron-rich isotopes and fairly high angular momenta. The structural evolution of the neutron-rich zirconium isotopes is discussed in the light of the present measurements in Zr-105,Zr-106 and in the context of the interacting boson model with a global parameterization that includes triaxiality but no shape coexistence. (C) 2013 The Authors. Published by Elsevier B.V. All rights reserved.
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