61-Pm-146
Spin
Level energy(keV) Spin & Parity
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ground state 3-
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)
145.914702396 ± 0.000004771 (amu) [mass excess = -79454.206 ± 4.445 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1542.000 ± 3.000 (keV)
Strong Gamma-rays from Decay of Pm-146 (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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633.25 2.15 B-
747.24 33.99 B-
453.88 65.01 EC
589.8 0.42 EC
735.93 22.49 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- 5.53 Y 5
EC 5.53 Y 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Pm-147 (Z= 61, A=147), MT= 16 (n,2n)
Pm-148 (Z= 61, A=148), MT= 17 (n,3n)
Pm-148 (Z= 61, A=148), MT= 17 (n,3n)
Sm-147 (Z= 62, A=147), MT= 28 (n,np)
Sm-147 (Z= 62, A=147), MT=104 (n,d)
Sm-148 (Z= 62, A=148), MT= 32 (n,nd)
Sm-148 (Z= 62, A=148), MT= 41 (n,2np)
Sm-148 (Z= 62, A=148), MT=105 (n,t)
Sm-149 (Z= 62, A=149), MT= 33 (n,nt)
Eu-151 (Z= 63, A=151), MT= 24 (n,2nα)
Fission Yields for Fission Products in JENDL-4.0 Fission Yield Data
- Neutron-induced Fission Yields (from main actinide nuclides) - Independent Fission Yield -
Product Nuclide Energy Fission Yield Uncertainty(1σ)
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Pm-146 U-235 Thermal 4.492840e-12 2.875420e-12
Pm-146 U-235 Fast 7.215110e-14 4.617670e-14
Pm-146 U-235 High 9.432930e-09 6.037080e-09
Pm-146 U-238 High 3.994350e-12 2.556380e-12
Pm-146 Pu-239 Thermal 7.888750e-11 5.048810e-11
Pm-146 Pu-239 Fast 1.739720e-10 1.113420e-10
Pm-146 Pu-239 High 3.232100e-07 2.068540e-07
Pm-146 Pu-241 Thermal 1.090180e-13 6.977120e-14
Pm-146 Pu-241 Fast 5.246060e-13 3.357480e-13
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Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
- Neutron-induced Fission Yields (from main actinide nuclides) - Cumulative Fission Yield -
Product Nuclide Energy Fission Yield Uncertainty(1σ)
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Pm-146 U-235 Thermal 4.492840e-12 2.875420e-12
Pm-146 U-235 Fast 7.215110e-14 4.617670e-14
Pm-146 U-235 High 9.432930e-09 6.028140e-09
Pm-146 U-238 High 3.994350e-12 2.553610e-12
Pm-146 Pu-239 Thermal 7.888750e-11 5.048810e-11
Pm-146 Pu-239 Fast 1.739720e-10 1.113420e-10
Pm-146 Pu-239 High 3.232100e-07 2.067200e-07
Pm-146 Pu-241 Thermal 1.090180e-13 6.975990e-14
Pm-146 Pu-241 Fast 5.246060e-13 3.357480e-13
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Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
→ Neutron-induced and Spontaneous Fission Yields of all nuclides in JENDL-4.0 Fission Yield Data