35-Br-91
Spin
Level energy(keV) Spin & Parity
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ground state
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)
90.934398619 ± 0.000003804 (amu) [mass excess = -61107.293 ± 3.544 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
9866.671 ± 4.190 (keV)
Strong Gamma-rays from Decay of Br- 91 (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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262.7 *100. B-
364.8 * 40. B-
803.3 * 80. 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- 0.541 S 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
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- 91 U-235 Thermal 2.233640e-03 2.457010e-04
Br- 91 U-235 Fast 1.359530e-03 8.700950e-04
Br- 91 U-235 High 1.482450e-03 9.487690e-04
Br- 91 U-238 Fast 7.593230e-03 4.859670e-03
Br- 91 U-238 High 4.461630e-03 2.855440e-03
Br- 91 Pu-239 Thermal 1.983390e-04 1.269370e-04
Br- 91 Pu-239 Fast 3.264170e-04 2.089070e-04
Br- 91 Pu-239 High 4.313400e-04 2.760570e-04
Br- 91 Pu-241 Thermal 5.621110e-04 3.597510e-04
Br- 91 Pu-241 Fast 9.200380e-04 5.888240e-04
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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- 91 U-235 Thermal 2.238830e-03 2.466490e-04
Br- 91 U-235 Fast 1.366990e-03 8.748730e-04
Br- 91 U-235 High 1.493810e-03 9.543970e-04
Br- 91 U-238 Fast 7.740060e-03 3.479690e-03
Br- 91 U-238 High 4.529820e-03 2.894590e-03
Br- 91 Pu-239 Thermal 1.987900e-04 6.347900e-05
Br- 91 Pu-239 Fast 3.272750e-04 2.094560e-04
Br- 91 Pu-239 High 4.344310e-04 2.777860e-04
Br- 91 Pu-241 Thermal 5.641080e-04 3.609340e-04
Br- 91 Pu-241 Fast 9.253850e-04 5.922460e-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