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PROJECTED SHELL MODEL AND HIGH-SPIN SPECTROSCOPY
Journal article   Peer reviewed

PROJECTED SHELL MODEL AND HIGH-SPIN SPECTROSCOPY

KENJI Hara, YANG Sun and Ying Sun
International journal of modern physics. E, Nuclear physics, v 4(4), pp 637-785
Dec 1995
DOI: https://doi.org/10.1142/S0218301395000250
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Most of the nuclei in the nuclear chart are deformed except for those in the vicinity of the magic numbers. It is difficult to treat such nuclei within the framework of the standard (spherical) shell model. On the other hand, the necessity for a proper quantum mechanical treatment of high-spin states has been steadily growing ever since modern experimental techniques made it possible to measure the fine details of the high-spin states of heavy nuclei. The present article reviews an approach based on the angular momentum projection technique which was initiated in the late seventies for the purpose of carrying out shell model configuration mixing calculations efficiently. A large number of examples is presented with an emphasis on the physical interpretation of the numerical results. Computing time for the whole spectrum up to spin ≈ 40 of an axially symmetric rare-earth nucleus takes only a few minutes on a Mainframe, showing the efficiency of the method. Most of the present calculations were carried out on a Workstation, but computation on a modern PC also presents no problem, so that one can enjoy a genuine quantum mechanical analysis of high-spin data using a facility available everywhere. Detailed technical information which may be useful for programming purposes is given in an Appendix.

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Domestic collaboration
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Web of Science research areas
Physics, Nuclear
Physics, Particles & Fields
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