35-Br-80
Spin
Level energy(keV) Spin & Parity
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ground state 1+
8.59020E+01 5-
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)
79.918529788 ± 0.000001379 (amu) [mass excess = -75889.014 ± 1.285 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2004.299 ± 1.356 (keV)
Strong Gamma-rays from Decay of Br- 80 (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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616.3 6.69 B-
639.4 0.26 B-
703.8 0.19 B-
665.8 1.08 EC
788. < 0.01 EC
812.2 0.04 EC
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37.05 39.1 IT
48.85 0.32 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- 17.68 M 2
EC 17.68 M 2
IT 4.4205 H 8
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Br- 79 (Z= 35, A= 79), MT=102 (n,γ)
Br- 81 (Z= 35, A= 81), MT= 16 (n,2n)
Kr- 80 (Z= 36, A= 80), MT=103 (n,p)
Kr- 82 (Z= 36, A= 82), 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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Br- 80 U-235 Thermal 3.681820e-10 2.356360e-10
Br- 80 U-235 Fast 2.552540e-10 1.633630e-10
Br- 80 U-235 High 2.721740e-08 1.741910e-08
Br- 80 U-238 Fast 8.379010e-12 5.362560e-12
Br- 80 U-238 High 2.277990e-09 1.457920e-09
Br- 80 Pu-239 Thermal 3.652260e-09 2.337450e-09
Br- 80 Pu-239 Fast 7.547320e-09 4.830290e-09
Br- 80 Pu-239 High 7.839580e-08 5.017330e-08
Br- 80 Pu-241 Thermal 9.266790e-10 5.930750e-10
Br- 80 Pu-241 Fast 3.683420e-10 2.357390e-10
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Br- 80m U-235 Thermal 1.110460e-09 7.106970e-10
Br- 80m U-235 Fast 8.893830e-10 5.692050e-10
Br- 80m U-235 High 1.542320e-07 9.870800e-08
Br- 80m U-238 Fast 2.919500e-11 1.868480e-11
Br- 80m U-238 High 1.290860e-08 8.261480e-09
Br- 80m Pu-239 Thermal 1.101550e-08 7.049870e-09
Br- 80m Pu-239 Fast 2.629720e-08 1.683020e-08
Br- 80m Pu-239 High 4.442430e-07 2.843160e-07
Br- 80m Pu-241 Thermal 2.794920e-09 1.788750e-09
Br- 80m Pu-241 Fast 1.283420e-09 8.213860e-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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Br- 80 U-235 Thermal 1.478640e-09 9.457060e-10
Br- 80 U-235 Fast 1.144640e-09 7.325680e-10
Br- 80 U-235 High 1.814490e-07 1.158150e-07
Br- 80 U-238 Fast 3.757400e-11 2.404740e-11
Br- 80 U-238 High 1.518660e-08 9.667900e-09
Br- 80 Pu-239 Thermal 1.466770e-08 9.387350e-09
Br- 80 Pu-239 Fast 3.384450e-08 2.166050e-08
Br- 80 Pu-239 High 5.226390e-07 3.341090e-07
Br- 80 Pu-241 Thermal 3.721600e-09 2.381830e-09
Br- 80 Pu-241 Fast 1.651760e-09 1.057120e-09
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Br- 80m U-235 Thermal 1.110460e-09 7.106970e-10
Br- 80m U-235 Fast 8.893830e-10 5.692050e-10
Br- 80m U-235 High 1.542320e-07 9.856180e-08
Br- 80m U-238 Fast 2.919500e-11 1.867790e-11
Br- 80m U-238 High 1.290860e-08 8.252530e-09
Br- 80m Pu-239 Thermal 1.101550e-08 7.049870e-09
Br- 80m Pu-239 Fast 2.629720e-08 1.683020e-08
Br- 80m Pu-239 High 4.442430e-07 2.841310e-07
Br- 80m Pu-241 Thermal 2.794920e-09 1.788460e-09
Br- 80m Pu-241 Fast 1.283420e-09 8.213860e-10
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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