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タイトル: Multiple chiral doublets in four- j shells particle rotor model: Five possible chiral doublets in ₆₀¹³⁶Nd₇₆
著者: Chen, Q.B.
Lv, B.F.
Petrache, C.M.
Meng, J.
著者名の別形: 孟, 杰
発行日: 10-Jul-2018
出版者: Elsevier BV
誌名: Physics Letters B
巻: 782
開始ページ: 744
終了ページ: 749
抄録: A particle rotor model, which couples nucleons in four single-j shells to a triaxial rotor core, is developed to investigate the five pairs of nearly degenerate doublet bands recently reported in the even-even nucleus ¹³⁶Nd. The experimental energy spectra and available B(M1)∣B(E2) values are successfully reproduced. The angular momentum geometries of the valence nucleons and the core support the chiral rotation interpretations not only for the previously reported chiral doublet, but also for the other four candidates. Hence, ¹³⁶Nd is the first even-even candidate nucleus in which the multiple chiral doublets exist. Five pairs of chiral doublet bands in a single nucleus is also a new record in the study of nuclear chirality.
著作権等: © 2018 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
URI: http://hdl.handle.net/2433/232694
DOI(出版社版): 10.1016/j.physletb.2018.06.030
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