element
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Information about Protactinium-238:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 238.054497 | ± | 0.000064 | amu |
| Excess Mass (Δ): | 50.763664 | ± | 0.060033 | MeV |
| Binding Energy: | 1799.017005 | ± | 0.060034 | MeV |
| β- Decay Energy: | 3.460000 | ± | 0.060000 | 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: (3-)
- Half life: 2.3 min ( 138 sec., λ = 0.00502281 s-1)
- Mode of decay:
β- to
(Q = 3.460 MeV)
- Mode of decay: SF
(Q = 3.460 MeV)
Branch ratio: <2.6E-6 %
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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