51-Sb-121
Spin
Level energy(keV) Spin & Parity
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ground state 5/2+
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)
120.903811967 ± 0.000003009 (amu) [mass excess = -89598.575 ± 2.803 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-1054.306 ± 25.769 (keV)
Strong Gamma-rays from Decay of Sb-121 (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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348.0 * 84. IT
375.0 * 98. IT
909.8 *100. IT
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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(%). ]
Cross Sections (taken from JENDL-4.0)
Table of cross sections, Sb-121.
Figures of cross sections, Sb-121: 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
Sb-121 (Z= 51, A=121), MT= 2 (Elastic scattering)
Sb-121 (Z= 51, A=121), MT= 4 (Inelastic scattering)
Sb-123 (Z= 51, A=123), MT= 17 (n,3n)
Te-122 (Z= 52, A=122), MT= 28 (n,np)
Te-122 (Z= 52, A=122), MT=104 (n,d)
Te-123 (Z= 52, A=123), MT= 32 (n,nd)
Te-123 (Z= 52, A=123), MT=105 (n,t)
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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Sb-121 U-235 Thermal 3.524390e-11 1.127800e-11
Sb-121 U-235 Fast 4.760170e-10 3.046510e-10
Sb-121 U-235 High 7.169830e-08 4.588690e-08
Sb-121 U-238 Fast 4.871810e-12 3.117960e-12
Sb-121 U-238 High 3.353650e-10 2.146340e-10
Sb-121 Pu-239 Thermal 2.719580e-09 8.702630e-10
Sb-121 Pu-239 Fast 3.999350e-08 2.559580e-08
Sb-121 Pu-239 High 3.882520e-06 2.484810e-06
Sb-121 Pu-241 Thermal 1.450240e-10 9.281490e-11
Sb-121 Pu-241 Fast 8.463640e-10 5.416730e-10
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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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Sb-121 U-235 Thermal 1.302470e-04 7.830570e-06
Sb-121 U-235 Fast 3.673120e-04 2.945920e-05
Sb-121 U-235 High 1.055310e-02 4.218050e-04
Sb-121 U-238 Fast 3.692530e-04 2.954180e-05
Sb-121 U-238 High 8.339680e-03 3.334240e-04
Sb-121 Pu-239 Thermal 3.780010e-04 3.024610e-05
Sb-121 Pu-239 Fast 6.307390e-04 6.939570e-05
Sb-121 Pu-239 High 1.445460e-02 1.155770e-03
Sb-121 Pu-241 Thermal 2.588200e-04 8.282230e-05
Sb-121 Pu-241 Fast 9.151000e-04 1.465520e-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