61-Pm-149
Spin
Level energy(keV) Spin & Parity
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ground state 7/2+
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)
148.918342277 ± 0.000002698 (amu) [mass excess = -76063.679 ± 2.513 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1071.418 ± 1.877 (keV)
Strong Gamma-rays from Decay of Pm-149 (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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285.95 3.1 B-
590.88 0.07 B-
859.46 0.11 B-
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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- 53.08 H 5
Cross Sections (taken from JENDL-4.0)
Table of cross sections, Pm-149.
Figures of cross sections, Pm-149: 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
Pm-148 (Z= 61, A=148), MT=102 (n,γ)
Pm-148 (Z= 61, A=148), MT=102 (n,γ)
Pm-149 (Z= 61, A=149), MT= 2 (Elastic scattering)
Pm-149 (Z= 61, A=149), MT= 4 (Inelastic scattering)
Pm-151 (Z= 61, A=151), MT= 17 (n,3n)
Sm-149 (Z= 62, A=149), MT=103 (n,p)
Sm-150 (Z= 62, A=150), MT= 28 (n,np)
Sm-150 (Z= 62, A=150), MT=104 (n,d)
Sm-151 (Z= 62, A=151), MT= 32 (n,nd)
Sm-151 (Z= 62, A=151), MT= 41 (n,2np)
Sm-151 (Z= 62, A=151), MT=105 (n,t)
Sm-152 (Z= 62, A=152), MT= 33 (n,nt)
Eu-151 (Z= 63, A=151), MT=106 (n,3He)
Eu-152 (Z= 63, A=152), MT=107 (n,α)
Eu-153 (Z= 63, A=153), MT= 22 (n,nα)
Eu-154 (Z= 63, A=154), 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-149 U-235 Thermal 3.863850e-08 2.472860e-08
Pm-149 U-235 Fast 1.636630e-08 1.047440e-08
Pm-149 U-235 High 1.353860e-05 8.664680e-06
Pm-149 U-238 Fast 1.180440e-09 7.554820e-10
Pm-149 U-238 High 1.561700e-07 9.994880e-08
Pm-149 Pu-239 Thermal 2.429620e-06 1.554950e-06
Pm-149 Pu-239 Fast 2.519600e-06 1.612540e-06
Pm-149 Pu-239 High 1.361080e-04 8.710930e-05
Pm-149 Pu-241 Thermal 2.290370e-08 1.465840e-08
Pm-149 Pu-241 Fast 6.974760e-08 4.463840e-08
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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-149 U-235 Thermal 1.079850e-02 2.170540e-04
Pm-149 U-235 Fast 1.034620e-02 1.470700e-04
Pm-149 U-235 High 8.143490e-03 1.870370e-03
Pm-149 U-238 Fast 1.623790e-02 3.254050e-04
Pm-149 U-238 High 1.458870e-02 8.749210e-04
Pm-149 Pu-239 Thermal 1.216310e-02 1.703330e-04
Pm-149 Pu-239 Fast 1.240860e-02 1.241340e-04
Pm-149 Pu-239 High 1.055770e-02 2.426760e-03
Pm-149 Pu-241 Thermal 1.473800e-02 4.127500e-04
Pm-149 Pu-241 Fast 1.457110e-02 4.086600e-04
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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