element
|
Information about Californium-239:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 239.062579 | ± | 0.000248 | amu # |
| Excess Mass (Δ): | 58.292000 | ± | 0.231000 | MeV # |
| Binding Energy: | 1794.084000 | ± | 0.231000 | 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:
- Half life: 39 s ( 39 sec., λ = 0.017773 s-1)
- Mode of decay:
α to
(Q = 7.810 MeV)
Branch ratio: >50.00 %
- Mode of decay: E.C. to
(Q = 3.900 MeV)
- Possible parent nuclides:
- α from
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)
|