77-Ir-172
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state (3+)
1.40000E+02 (7+)
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)
171.970607036 ± 0.000034785 (amu) [mass excess = -27379.369 ± 32.402 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-6281.889 ± 34.395 (keV)
Strong Gamma-rays from Decay of Ir-172 (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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89.7 * 0.2 Alpha
123.2 * 1.08 Alpha
136.3 * 0.2 Alpha
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162.1 * 10.12 Alpha
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227.9 -- EC
378.4 -- EC
475.0 -- EC
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227.8 * 77. EC
378.4 * 47.74 EC
448.4 * 31.19 EC
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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
A 2.19 S 7
A 4.4 S 3
EC 2.0 S 1
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0