25-Mn-56
Spin
Level energy(keV) Spin & Parity
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ground state 3+
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)
55.938903691 ± 0.000000493 (amu) [mass excess = -56910.845 ± 0.460 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
3695.577 ± 0.209 (keV)
Strong Gamma-rays from Decay of Mn- 56 (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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846.75 98.87 B-
1810.72 27.19 B-
2113.05 14.34 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- 2.5789 H 1
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Mn- 55 (Z= 25, A= 55), MT=102 (n,γ)
Fe- 56 (Z= 26, A= 56), MT=103 (n,p)
Fe- 57 (Z= 26, A= 57), MT= 28 (n,np)
Co- 59 (Z= 27, A= 59), MT=107 (n,α)