Towards the high spin-isospin frontier using isotopically-identified fission fragments

A. Navin 1 M. Rejmund 1 C. Schmitt 1 S. Bhattacharyya 2 G. Lhersonneau 1 P. van Isacker 1 M. Caamano 3 E. Clément 1 O. Delaune 1 F. Farget 1 G. de France 1 B. Jacquot 1
1 GANIL - Grand Accélérateur National d'Ions Lourds
2 Variable Energy Cyclotron Centre
3 USC, Universidad de Santiago de Compostela
Abstract : Measurements of prompt γ rays in coincidence with isotopically-identified fission fragments, produced in collisions of 238U on a 9Be 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 105,106Zr and in the context of the interacting boson model with a global parameterization that includes triaxiality but no shape coexistence.
Keywords : isotopic identification fission fragments large isospin and high angular momentum neutron-rich Zr isotopes Interacting Boson Model
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Journal articles
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Submitted on : Tuesday, November 26, 2013 - 9:42:16 AM
Last modification on : Tuesday, March 19, 2019 - 8:56:05 PM

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A. Navin, M. Rejmund, C. Schmitt, S. Bhattacharyya, G. Lhersonneau, et al.. Towards the high spin-isospin frontier using isotopically-identified fission fragments. Physics Letters B, Elsevier, 2014, 728, pp.136-140. ⟨10.1016/j.physletb.2013.11.024⟩. ⟨in2p3-00909222⟩

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