94-Pu-237
Spin
Level energy(keV) Spin & Parity
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ground state 7/2-
1.45543E+02 1/2+
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)
237.048409830 ± 0.000002358 (amu) [mass excess = 45093.467 ± 2.197 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-1478 ± 59 (keV) [derived from systematical trend]
Strong Gamma-rays from Decay of Pu-237 (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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26.34 0.22 EC
33.20 0.07 EC
59.54 3.28 EC
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145.54 -- IT
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280.40 9.E-04 Alpha
298.89 7.E-04 Alpha
320.75 5.E-04 Alpha
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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 45.2 D 1
EC 45.64 D 4
IT 0.18 S 2
Cross Sections (taken from JENDL-4.0)
Table of cross sections, Pu-237.
Figures of cross sections, Pu-237: type-1: type-2: type-3.
type-1: total, elastic and inelastic scattering, capture and fision cross sections
type-2: same as type-1 but cross sections are averaged in 70 energy group intervals
type-3: threshold reaction cross sections
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Pu-236 (Z= 94, A=236), MT=102 (n,γ)
Pu-237 (Z= 94, A=237), MT= 2 (Elastic scattering)
Pu-237 (Z= 94, A=237), MT= 4 (Inelastic scattering)
Pu-238 (Z= 94, A=238), MT= 16 (n,2n)
Pu-239 (Z= 94, A=239), MT= 17 (n,3n)