73-Ta-180
Spin
Level energy(keV) Spin & Parity
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ground state 1+
7.53000E+01 9-
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)
179.947464832 ± 0.000002445 (amu) [mass excess = -48936.193 ± 2.278 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
702.372 ± 2.605 (keV)
Strong Gamma-rays from Decay of Ta-180 (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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103.6 0.81 B-
93.4 4.51 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
B- 8.154 H 6
EC 8.154 H 6
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Ta-181 (Z= 73, A=181), MT= 16 (n,2n)
W -180 (Z= 74, A=180), MT=103 (n,p)
W -182 (Z= 74, A=182), MT= 32 (n,nd)
W -182 (Z= 74, A=182), MT=105 (n,t)
W -183 (Z= 74, A=183), MT= 33 (n,nt)