期刊
PHYSICAL REVIEW C
卷 98, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.98.054322
关键词
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资金
- United Kingdom Research and Innovation
- Science and Technology Facilities Council [ST/P003885/1, ST/L005727/1]
- STFC [ST/L005727/1, ST/J000124/1, ST/P003885/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J000124/1] Funding Source: researchfish
The charge-independence breaking of the nuclear interaction is analyzed by means of energy differences among analog states in T = 1 isobaric multiplets. Data on triplet energy differences in the sd, pf, and pfg shells, i.e., 18 <= A <= 66, are reproduced with very good accuracy by large-scale shell-model calculations taking into account, aside from the Coulomb interaction, a single isotensor schematic interaction of monopole-pairing type. It is shown that the effect on the triplet energy differences of this isospin-breaking interaction is of the same magnitude as the Coulomb one. Moreover, its strength is the same for every single-particle orbital of the considered model space.
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