Basic Info
n-XS summary
element
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Information about Americium-244:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 244.064279 | ± | 0.000002 | amu |
| Excess Mass (Δ): | 59.875894 | ± | 0.002122 | MeV |
| Binding Energy: | 1835.203298 | ± | 0.002148 | MeV |
| β- Decay Energy: | 1.428055 | ± | 0.000874 | 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: (6-)
- Half life: 10.1 h ( 36360 sec., λ = 1.90635×10-05 s-1)
- Mode of decay:
β- to
(Q = 1.428 MeV)
Meta state at 0.000 Mev
0.1 - Half life: 6.5 µs ( 6.5×10-06 sec., λ = 106638 s-1)
- Mode of decay: SF
(Q = 0 0.000 MeV)
Branch ratio: <=100.00 %
- Mode of decay: SF
(Q = 0 0.000 MeV)
Branch ratio: <=100.00 %
Meta state at 0.088 Mev
- Spin: 1+
6.5
- Half life: 26 min ( 1560 sec., λ = 0.000444325 s-1)
- Mode of decay:
β- to
(Q = 1.516 MeV)
Branch ratio: 99.96 %
- Mode of decay: E.C. to
(Q = 0.164 MeV)
Branch ratio: 0.04 %
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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