59-Pr-131
Spin
Level energy(keV) Spin & Parity
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ground state (3/2+)
1.52400E+02 (11/2-)
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)
130.920234960 ± 0.000050451 (amu) [mass excess = -74300.656 ± 46.995 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-6532.623 ± 53.081 (keV)
Strong Gamma-rays from Decay of Pr-131 (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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64.8 ? 0.32 IT
87.6 ? 32.87 IT
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72.84 *210. EC
266.14 *190. EC
334.96 *140. EC
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138.29 * 1.62 EC
161.98 * 6.84 EC
222.63 * 1.58 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
EC 5.71 S 14
EC 1.51 M 2
IT 5.73 S 20
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0