77-Ir-192
Spin
Level energy(keV) Spin & Parity
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ground state 4+
5.67100E+01 1-
1.68140E+02 (11-)
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)
191.962600247 ± 0.000002065 (amu) [mass excess = -34837.645 ± 1.924 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1454.529 ± 2.346 (keV)
Strong Gamma-rays from Decay of Ir-192 (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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205.79 3.34 EC
374.49 0.73 EC
484.58 3.19 EC
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295.96 -- B-
316.51 -- B-
612.46 -- B-
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308.46 29.68 B-
316.51 82.71 B-
468.07 47.81 B-
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12.98 -- IT
155.16 -- IT
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56.71 -- IT
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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- 73.827 D 13
B- 1.45 M 5
EC 73.827 D 13
IT 241 Y 9
IT 1.45 M 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Au-197 (Z= 79, A=197), MT= 24 (n,2nα)