Description of the Structural Properties of Low-Lying States in <sup>102</sup>Ru with IBM2

doi:10.1088/0256-307X/31/7/072101

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Abstract：We describe the properties of low-lying states of ¹⁰²Ru within the framework of the proton-neutron interacting model IBM2. The theoretical predictions of the ground state, quasi-γ and quasi-β bands, and the ratios of the B(E2) transition strengths are reproduced very well. The structural properties of ¹⁰²Ru are identified in the parameters space of the interacting boson model (IBM2). The characteristic feature of the energy spectrum structure exhibits that ¹⁰²Ru is very close to the critical point of U_πν(5)–O_πν(6) transition and towards U_πν(5) symmetry. The key sensitive quantities of the B(E2) branching ratio clearly indicate that ¹⁰²Ru is a primary O_πν(6) symmetry, while with a somewhat U_πν(5) symmetry. It is possible that the shape coexistence persists in ¹⁰²Ru, whereas the evident fingerprint of the shape coexistence has not been observed.

出版日期: 2014-06-30

:	21.10.Re	(Collective levels)
	21.60.Fw	(Models based on group theory)
	27.60.+j	(90 ≤ A ≤ 149)

引用本文:

. [J]. 中国物理快报, 2014, 31(07): 72101-072101.
ZHANG Da-Li, YUAN Shu-Qing, DING Bin-Gang,. Description of the Structural Properties of Low-Lying States in ¹⁰²Ru with IBM2. Chin. Phys. Lett., 2014, 31(07): 72101-072101.

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https://cpl.iphy.ac.cn/CN/10.1088/0256-307X/31/7/072101 或 https://cpl.iphy.ac.cn/CN/Y2014/V31/I07/72101

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