50-Sn-121
Spin
Level energy(keV) Spin & Parity
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ground state 3/2+
6.29000E+00 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)
120.904242554 ± 0.000001033 (amu) [mass excess = -89197.486 ± 0.963 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
401.089 ± 2.900 (keV)
Strong Gamma-rays from Decay of Sn-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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37.15 1.85 B-
6.29 -- 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(%). ]
Decay data(Chart of the Nuclides 2014)
Decay mode Half-life
B- 43.9 Y 5
B- 27.03 H 4
IT 43.9 Y 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Sn-120 (Z= 50, A=120), MT=102 (n,γ)
Sn-122 (Z= 50, A=122), MT= 16 (n,2n)
Sn-123 (Z= 50, A=123), MT= 17 (n,3n)
Sb-121 (Z= 51, A=121), MT=103 (n,p)
Sb-123 (Z= 51, A=123), MT=105 (n,t)
Sb-124 (Z= 51, A=124), MT= 33 (n,nt)
Te-123 (Z= 52, A=123), MT=106 (n,3He)
Te-124 (Z= 52, A=124), MT=107 (n,α)
Te-125 (Z= 52, A=125), MT= 22 (n,nα)
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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Sn-121 U-235 Thermal 2.723980e-06 1.743350e-06
Sn-121 U-235 Fast 8.193260e-07 5.243690e-07
Sn-121 U-235 High 2.416230e-05 1.546390e-05
Sn-121 U-238 Fast 2.480930e-08 1.587800e-08
Sn-121 U-238 High 6.986110e-07 4.471100e-07
Sn-121 Pu-239 Thermal 5.372350e-06 3.438300e-06
Sn-121 Pu-239 Fast 1.091320e-05 6.984460e-06
Sn-121 Pu-239 High 2.974440e-04 1.903640e-04
Sn-121 Pu-241 Thermal 2.609250e-07 1.669920e-07
Sn-121 Pu-241 Fast 1.274050e-06 8.153930e-07
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Sn-121m U-235 Thermal 1.128890e-06 7.224890e-07
Sn-121m U-235 Fast 2.923780e-07 1.871220e-07
Sn-121m U-235 High 5.268040e-06 3.371550e-06
Sn-121m U-238 Fast 8.853260e-09 5.666080e-09
Sn-121m U-238 High 1.523160e-07 9.748220e-08
Sn-121m Pu-239 Thermal 2.226450e-06 1.424930e-06
Sn-121m Pu-239 Fast 3.894400e-06 2.492420e-06
Sn-121m Pu-239 High 6.485080e-05 4.150460e-05
Sn-121m Pu-241 Thermal 1.081350e-07 6.920610e-08
Sn-121m Pu-241 Fast 4.546480e-07 2.909750e-07
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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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Sn-121 U-235 Thermal 1.281610e-04 8.190990e-05
Sn-121 U-235 Fast 3.613310e-04 2.312520e-04
Sn-121 U-235 High 1.041190e-02 6.663670e-03
Sn-121 U-238 Fast 3.660760e-04 2.342880e-04
Sn-121 U-238 High 8.277910e-03 5.297860e-03
Sn-121 Pu-239 Thermal 3.711210e-04 2.375170e-04
Sn-121 Pu-239 Fast 6.187560e-04 3.960040e-04
Sn-121 Pu-239 High 1.418540e-02 9.078680e-03
Sn-121 Pu-241 Thermal 2.551810e-04 1.633160e-04
Sn-121 Pu-241 Fast 9.014650e-04 5.769380e-04
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Sn-121m U-235 Thermal 9.313950e-06 5.325270e-06
Sn-121m U-235 Fast 2.670120e-05 1.449210e-05
Sn-121m U-235 High 6.297600e-04 3.394770e-04
Sn-121m U-238 Fast 1.418520e-05 7.651200e-06
Sn-121m U-238 High 2.757390e-04 1.494310e-04
Sn-121m Pu-239 Thermal 3.070540e-05 1.738180e-05
Sn-121m Pu-239 Fast 5.331730e-05 2.989030e-05
Sn-121m Pu-239 High 1.184340e-03 6.493560e-04
Sn-121m Pu-241 Thermal 1.624250e-05 8.857080e-06
Sn-121m Pu-241 Fast 6.086530e-05 3.298630e-05
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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