33-As-76
Spin
Level energy(keV) Spin & Parity
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ground state 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)
75.922392015 ± 0.000000951 (amu) [mass excess = -72291.372 ± 0.886 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2960.578 ± 0.886 (keV)
Strong Gamma-rays from Decay of As- 76 (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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559.10 45. B-
657.05 6.17 B-
1216.08 3.42 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- 26.24 H 9
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
As- 75 (Z= 33, A= 75), MT=102 (n,γ)
Se- 76 (Z= 34, A= 76), MT=103 (n,p)
Se- 77 (Z= 34, A= 77), MT= 28 (n,np)
Se- 77 (Z= 34, A= 77), MT=104 (n,d)
Se- 78 (Z= 34, A= 78), MT=105 (n,t)
Br- 79 (Z= 35, A= 79), MT=107 (n,α)
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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As- 76 U-235 Thermal 1.647370e-09 1.054330e-09
As- 76 U-235 Fast 5.468710e-09 3.499970e-09
As- 76 U-235 High 3.214410e-07 2.057220e-07
As- 76 U-238 Fast 5.602090e-11 3.585330e-11
As- 76 U-238 High 4.064430e-08 2.601230e-08
As- 76 Pu-239 Thermal 5.529130e-08 3.538650e-08
As- 76 Pu-239 Fast 4.839210e-08 3.097100e-08
As- 76 Pu-239 High 6.053930e-07 3.874510e-07
As- 76 Pu-241 Thermal 5.500890e-09 3.520570e-09
As- 76 Pu-241 Fast 6.864840e-09 4.393500e-09
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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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As- 76 U-235 Thermal 1.647370e-09 1.054330e-09
As- 76 U-235 Fast 5.468710e-09 3.499970e-09
As- 76 U-235 High 3.214410e-07 2.054180e-07
As- 76 U-238 Fast 5.602090e-11 3.584020e-11
As- 76 U-238 High 4.064430e-08 2.598410e-08
As- 76 Pu-239 Thermal 5.529130e-08 3.538650e-08
As- 76 Pu-239 Fast 4.839210e-08 3.097100e-08
As- 76 Pu-239 High 6.053930e-07 3.872000e-07
As- 76 Pu-241 Thermal 5.500890e-09 3.520000e-09
As- 76 Pu-241 Fast 6.864840e-09 4.393500e-09
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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