期刊
PHYSICS LETTERS B
卷 756, 期 -, 页码 323-327出版社
ELSEVIER
DOI: 10.1016/j.physletb.2016.03.024
关键词
beta-Delayed gamma decay; Isobaric analog state; Isobaric multiplet mass equation
资金
- National Natural Science Foundation of China [11321064, 11490560, U1532132, 11327508, U1432125]
- Major State Basic Research Development Program of China [2013CB834406]
- Ministry of Science and Technology of China (Talented Young Scientist Program)
- China Postdoctoral Science Foundation [2014M562481]
- CFT (IN2P3/CNRS, France)
- Ministry of Foreign Affairs and International Development of France [34457VA]
The T = 3/2 isobaric analog state (IAS) in Co-53 is firmly established through a comprehensive measurement of beta-delayed gamma and proton decay of Ni-53. The determined excitation energy of Co-53 IAS combined with the mass of Co-53 generates a precise mass excess of -38 333.6(27) keV for the Co-53 IAS, which is 70(18) keV lower than the previously adopted value. The new result solves a problem raised by incorrect assignments of the Co-53 IAS of unexpected deviation from the isobaric multiplet mass equation (IMME) at A = 53, T = 3/2. (C) 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license.
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