element
|
Information about Americium-246:
| | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
Atomic Mass: | 246.069768 | ± | 0.000020 | amu |
Excess Mass (Δ): | 64.988872 | ± | 0.018189 | MeV |
Binding Energy: | 1846.232966 | ± | 0.018192 | MeV |
β- Decay Energy: | 2.376136 | ± | 0.018075 | 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: (7-)
- Half life: 39 min ( 2340 sec., λ = 0.000296217 s-1)
- Mode of decay:
β- to
 (Q = 2.376 MeV)
Meta state at 0.000 Mev
- Spin: 2(-)
39
- Half life: 25.0 min ( 1500 sec., λ = 0.000462098 s-1)
- Mode of decay:
β- to
 (Q = 2.376 MeV)
- Mode of decay: γ (IT) to
Branch ratio: <0.02 %
Meta state at 2.000 Mev
25.0 - Half life: 73 µs ( 7.3×10-05 sec., λ = 9495.17 s-1)
- Mode of decay: SF
 (Q = 0 0.000 MeV)
Branch ratio: <=100.00 %
- Possible parent nuclides:
- β- 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)
|