73-Ta-157
Spin
Level energy(keV) Spin & Parity
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ground state 1/2+
2.20000E+01 11/2-
1.58900E+03 (25/2-)
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)
156.968176167 ± 0.000169800 (amu) [mass excess = -29643.709 ± 158.168 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-9933 ± 431 (keV) [derived from systematical trend]
Decay data(Chart of the Nuclides 2014)
Decay mode Half-life
A 10.1 MS 4
A 1.7 MS 1
A 4.3 MS 1
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0