35-Br-78
Spin
Level energy(keV) Spin & Parity
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ground state 1+
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)
77.921145895 ± 0.000003842 (amu) [mass excess = -73452.125 ± 3.580 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
727.452 ± 3.648 (keV)
Strong Gamma-rays from Decay of Br- 78 (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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32.3 38.5 IT
148.6 77. IT
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454.0 7.E-03 B-
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613.68 13.6 EC
694.8 0.06 EC
884.7 0.07 EC
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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- 6.46 M 4
EC 6.45 M 4
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Br- 79 (Z= 35, A= 79), MT= 16 (n,2n)
Kr- 78 (Z= 36, A= 78), MT=103 (n,p)
Kr- 80 (Z= 36, A= 80), MT= 32 (n,nd)
Kr- 80 (Z= 36, A= 80), 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- 78 U-235 Thermal 4.932150e-14 3.156580e-14
Br- 78 U-235 Fast 1.237450e-13 7.919650e-14
Br- 78 U-235 High 2.042800e-10 1.307390e-10
Br- 78 U-238 High 5.736240e-12 3.671200e-12
Br- 78 Pu-239 Thermal 3.369470e-11 2.156460e-11
Br- 78 Pu-239 Fast 1.269800e-11 8.126690e-12
Br- 78 Pu-239 High 1.130730e-09 7.236690e-10
Br- 78 Pu-241 Thermal 3.470560e-12 2.221160e-12
Br- 78 Pu-241 Fast 3.127650e-13 2.001690e-13
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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- 78 U-235 Thermal 4.932150e-14 3.156580e-14
Br- 78 U-235 Fast 1.237450e-13 7.919650e-14
Br- 78 U-235 High 2.042800e-10 1.305450e-10
Br- 78 U-238 High 5.736240e-12 3.667230e-12
Br- 78 Pu-239 Thermal 3.369470e-11 2.156460e-11
Br- 78 Pu-239 Fast 1.269800e-11 8.126690e-12
Br- 78 Pu-239 High 1.130730e-09 7.232000e-10
Br- 78 Pu-241 Thermal 3.470560e-12 1.110400e-12
Br- 78 Pu-241 Fast 3.127650e-13 2.001690e-13
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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