element
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Information about Plutonium-235:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 235.045281 | ± | 0.000022 | amu |
| Excess Mass (Δ): | 42.179440 | ± | 0.020760 | MeV |
| Binding Energy: | 1781.040200 | ± | 0.020762 | MeV |
| β- Decay Energy: | -2.559000 | ± | 0.207000 | MeV # |
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra,
Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
Radioactive Decay Data:
- Spin: (5/2+)
- Half life: 25.3 min ( 1518 sec., λ = 0.000456619 s-1)
- Mode of decay:
E.C. to
(Q = 1.142 MeV)
- Mode of decay:
α to
(Q = 5.951 MeV)
Branch ratio: 0.0027 %
Meta state at 3.000 Mev
25.3 - Half life: 25 ns ( 2.5×10+10 sec., λ = 2.77259×10-11 s-1)
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)
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