Basic Info
n-XS summary
element
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Information about Neptunium-236:
| | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
Atomic Mass: | 236.046560 | ± | 0.000054 | amu |
Excess Mass (Δ): | 43.370097 | ± | 0.050459 | MeV |
Binding Energy: | 1788.703219 | ± | 0.050460 | MeV |
β- Decay Energy: | 0.476585 | ± | 0.050389 | 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: 154000 years ( 4.85716×10+12 sec., λ = 1.42706×10-13 s-1)
- Mode of decay:
E.C. to
 (Q = 0.940 MeV)
Branch ratio: 87.30 %
- Mode of decay:
β- to
 (Q = 0.490 MeV)
Branch ratio: 12.50 %
- Mode of decay:
α to
 (Q = 5.020 MeV)
Branch ratio: 0.16 %
Meta state at 0.060 Mev
- Spin: 1
154000
- Half life: 22.5 h ( 81000 sec., λ = 8.55737×10-06 s-1)
- Mode of decay:
E.C. to
 (Q = 1.000 MeV)
Branch ratio: 52.00 %
- Mode of decay:
β- to
 (Q = 0.550 MeV)
Branch ratio: 48.00 %
- 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)
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