標題: DESCRIPTION OF THE EVEN TIN ISOTOPES IN A MIXING SHELL-MODEL AND IBA MODEL
作者: CHUU, DS
HSIEH, ST
電子物理學系
Department of Electrophysics
公開日期: 1-Apr-1995
摘要: The positive parity energy levels of even Sn-108-124 isotopes are studied in terms of a mixing of shell model and interacting boson approximation model. In the calculation, the basis states consist of a pure boson configuration and N-B-1 bosons plus a fermion pair configuration, where N-B is the valence boson number outside the closed shell. The fermions are allowed to excite to the s(1/2), d(3/2), d(5/2), g(7/2) and h(11/2) single particle orbitals. The interaction Hamiltonian contains three parts: pure boson Hamiltonian, pure fermion Hamiltonian and boson-fermion mixing Hamiltonian. The calculated energy levels are compared with the observed data. The wavefunctions are used to calculate B(E2) values. It is found that the calculated energy spectra and B(E2) values agree reasonably well with the experimental values.
URI: http://dx.doi.org/10.1143/PTP.93.727
http://hdl.handle.net/11536/1999
ISSN: 0033-068X
DOI: 10.1143/PTP.93.727
期刊: PROGRESS OF THEORETICAL PHYSICS
Volume: 93
Issue: 4
起始頁: 727
結束頁: 743
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