Testing Validity of the Isobaric Multiplet Mass Equation in 𝑇 = 3 Isospin Septet

分类： 物理学 >> 核物理学 提交时间： 2024-07-09

Junhao LIU Xiang HUA Xi ZHAO

摘要： The validity of the isobaric multiplet mass equation (IMME) is of fundamental importance due to the basicconcept of isospin. Recently, a serious breakdown was found in the 𝐴 = 54 𝑇 = 3 isospin septet, the largest isospinsystem where the validity of IMME have been tested up to now. Motivated by this previous study, the masses of specificisobaric analogue states have been revisited using recent results from advanced mass measurement experiments. It isfound that the IMME holds well in 𝐴 = 50 and 46 isospin septets and the coefficients of IMME also follow the systematictrends. Mass excess values for 50Ni and 46Fe, are predicted to be -3932(20) keV and 898(67) keV, respectively.

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