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

Abstract : 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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Submitted on : Thursday, May 12, 2016 - 10:38:07 AM
Last modification on : Wednesday, September 16, 2020 - 5:45:41 PM

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J. Su,, T. Zhang, N., P. Shen, Y., H. Lam, Y., A. Smirnova, N., et al.. Revalidation of the isobaric multiplet mass equation at A=53, T=3/2. Physics Letters B, Elsevier, 2016, pp.323-327. ⟨10.1016/j.physletb.2016.03.024⟩. ⟨in2p3-01314821⟩



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