Revalidation of the isobaric multiplet mass equation at A = 53, T = 3/2

J Su,Y.H Zhang,J.B Ma,S.Z Chen,G Audi,J.S Wang,Z.H Li,W.P Liu,Y.B Wang,M Maccormick,N.T Zhang,Pingchuan Ma ,X H Zhou ,Y H Lam ,Bing Ding ,X X Bai ,Mei‐Rong Huang ,Bing Guo ,Shutao Xu ,Wendong Ma ,Long Jing ,S Q Yan ,S Ma ,Zhiyong Bai ,Zao-Chun Gao ,Yuanjing Zhou ,N A Smirnova ,Gang Liu ,Y Yang ,Y J Li ,Jun Hu ,Y P Shen ,Ge Lin ,Xianchao Du ,Sheng Zeng ,Jiajia He ,Lian Ying Zhang ,Xiaodong Tang ,S Jin

doi:10.1016/j.physletb.2016.03.024

Revalidation of the isobaric multiplet mass equation at A = 53, T = 3/2

J Su, Y.H Zhang + Show 37 more

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https://doi.org/10.1016/j.physletb.2016.03.024

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Journal: Physics Letters B	Publication Date: Mar 10, 2016
Citations: 15	License type: cc-by

Affiliation: China Institute of Atomic Energy, Institute of Modern Physics, Chinese Academy of Sciences, Campus France, University of Paris-Sud, Institut National de Physique Nucléaire et de Physique des Particules, Institut Polytechnique de Paris, French National Centre for Scientific Research, Institut de Physique, Laboratoire de Physique des deux infinis Bordeaux, University of Bordeaux

#Isobaric Analog State #Isobaric Multiplet Mass Equation + Show 8 more

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Abstract

Abstract The T = 3 / 2 isobaric analog state (IAS) in 53 Co is firmly established through a comprehensive measurement of β -delayed γ and proton decay of 53 Ni. The determined excitation energy of 53 Co IAS combined with the mass of 53 Co generates a precise mass excess of − 38 333.6 ( 27 ) keV for the 53 Co IAS, which is 70(18) keV lower than the previously adopted value. The new result solves a problem raised by incorrect assignments of the 53 Co IAS of unexpected deviation from the isobaric multiplet mass equation (IMME) at A = 53 , T = 3 / 2 .

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