31-Ga-77
Spin
Level energy(keV) Spin & Parity
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ground state (3/2-)
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)
76.929154300 ± 0.000002600 (amu) [mass excess = -65992.344 ± 2.422 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
5220.518 ± 2.422 (keV)
Strong Gamma-rays from Decay of Ga- 77 (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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458.6 * 48. B-
469.4 *100. B-
2187.3 -- 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- 13.2 S 2
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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Ga- 77 U-235 Thermal 4.075510e-05 2.608330e-05
Ga- 77 U-235 Fast 1.646600e-04 1.053820e-04
Ga- 77 U-235 High 3.753850e-04 2.402460e-04
Ga- 77 U-238 Fast 1.397520e-05 8.944140e-06
Ga- 77 U-238 High 1.708660e-04 1.093550e-04
Ga- 77 Pu-239 Thermal 3.784400e-05 2.422020e-05
Ga- 77 Pu-239 Fast 6.992870e-05 4.475430e-05
Ga- 77 Pu-239 High 1.288840e-04 8.248550e-05
Ga- 77 Pu-241 Thermal 1.107180e-05 7.085940e-06
Ga- 77 Pu-241 Fast 5.518850e-05 3.532060e-05
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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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Ga- 77 U-235 Thermal 7.259320e-05 7.998310e-06
Ga- 77 U-235 Fast 2.812120e-04 1.799760e-04
Ga- 77 U-235 High 5.548250e-04 3.545590e-04
Ga- 77 U-238 Fast 3.187160e-05 2.038410e-05
Ga- 77 U-238 High 2.818310e-04 1.801740e-04
Ga- 77 Pu-239 Thermal 4.465770e-05 2.858090e-05
Ga- 77 Pu-239 Fast 8.841280e-05 5.658420e-05
Ga- 77 Pu-239 High 1.721250e-04 1.100860e-04
Ga- 77 Pu-241 Thermal 1.381860e-05 8.843860e-06
Ga- 77 Pu-241 Fast 8.184000e-05 5.237760e-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