25-Mn-57
Spin
Level energy(keV) Spin & Parity
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ground state 5/2-
Mass (The Ame2012 atomic mass evaluation (II) by M.Wang, G.Audi, A.H.Wapstra, F.G.Kondev, M.MacCormick, X.Xu, and B.Pfeiffer
Chinese Physics C36 p. 1603-2014, December 2012)
56.938286096 ± 0.000001616 (amu) [mass excess = -57486.131 ± 1.506 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2695.049 ± 1.553 (keV)
Strong Gamma-rays from Decay of Mn- 57 (Compiled from ENSDF as of March 2011)
[ Intensities before May 23th of 2013 were values when total intensity of the decay mode was 100(%) and a branching ratio of each decay mode was not multiplied. ]
γ-ray energy(keV) Intensity(%) Decay mode
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14.41 10.56 B-
122.06 13.91 B-
692.00 5.5 B-
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*: relative, ~ approximate, ? calculated or estimatted
>: greater than or equal to, <: less than or equal to
[ Intensities; total intensity of the nuclide is 100(%). ]
Decay data(Chart of the Nuclides 2014)
Decay mode Half-life
B- 85.4 S 18
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Fe- 57 (Z= 26, A= 57), MT=103 (n,p)
Fe- 58 (Z= 26, A= 58), MT= 28 (n,np)
Fe- 59 (Z= 26, A= 59), MT= 32 (n,nd)
Fe- 59 (Z= 26, A= 59), MT=105 (n,t)