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Theoretical interpretation of the nuclear structure of 88Se within the ACM and the QPM models

I.N. Gratchev 1, 2 G. Thiamova 1 P. Alexa 3 G.S. Simpson 1 M. Ramdhane 1
1 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
2 ILL - Institut Laue-Langevin
3 VSB - Technical University of Ostrava [Ostrava]
Abstract : The four-parameter algebraic collective model (ACM) Hamiltonian is used to describe the nuclear structure of 88Se. It is shown that the ACM is capable of providing a reasonable description of the excitation energies and relative positions of the ground-state band and band. The most probable interpretation of the nuclear structure of 88Se is that of a transitional nucleus. The Quasiparticle-plus-Phonon Model (QPM) was also applied to describe the nuclear motion in 88Se. Preliminarily calculations show that the collectivity of second excited state 2+ 2 is weak and that this state contains a strong two-quasiparticle component.
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http://hal.in2p3.fr/in2p3-01523798
Contributor : Emmanuelle Vernay <>
Submitted on : Wednesday, May 17, 2017 - 8:27:50 AM
Last modification on : Tuesday, May 11, 2021 - 11:36:50 AM

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I.N. Gratchev, G. Thiamova, P. Alexa, G.S. Simpson, M. Ramdhane. Theoretical interpretation of the nuclear structure of 88Se within the ACM and the QPM models. 12th International Spring Seminar on Nuclear Physics “Current Problems and Prospects for Nuclear Structure “, May 2017, Sant'Angelo d'Ischia, Italy. pp.012034, ⟨10.1088/1742-6596/966/1/012034⟩. ⟨in2p3-01523798⟩

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