An IBM description of coexistence in the platinum isotopes

M. K. Harder; K. T. Tang; P. Van Isacker

doi:10.1016/S0370-2693(97)00612-6

An IBM description of coexistence in the platinum isotopes

M. K. Harder, K. T. Tang, P. Van Isacker

Research output: Contribution to journal › Article › peer-review

Abstract

The available data on the light platinum isotopes have, until now, lacked calculations which reproduce them. A configuration-mixing calculation is presented which describes these nuclei in terms of a normal (near-spherical) and a deformed configuration, the latter becoming the ground configuration near neutron mid-shell. The deformed configuration is modelled as a proton pair excitation across the Z = 82 shell gap within the Interacting Boson Model, and allowed to mix with the normal configuration. The systematics of level energies, electromagnetic transition rates and moments, isotope and isomer shifts are studied. The latter are shown to be sensitive probes of the configuration-mixing strength.

Original language	English
Pages (from-to)	25-30
Number of pages	6
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	405
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(97)00612-6
Publication status	Published - 17 Jul 1997

Bibliographical note

Funding Information:
This work has been supportedin part by the EPSRC of the UK, The Brighton authors would like to thank Prof. Gordon McBeth for his support of this work.

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10.1016/S0370-2693(97)00612-6

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abstract = "The available data on the light platinum isotopes have, until now, lacked calculations which reproduce them. A configuration-mixing calculation is presented which describes these nuclei in terms of a normal (near-spherical) and a deformed configuration, the latter becoming the ground configuration near neutron mid-shell. The deformed configuration is modelled as a proton pair excitation across the Z = 82 shell gap within the Interacting Boson Model, and allowed to mix with the normal configuration. The systematics of level energies, electromagnetic transition rates and moments, isotope and isomer shifts are studied. The latter are shown to be sensitive probes of the configuration-mixing strength.",

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An IBM description of coexistence in the platinum isotopes

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