element
|
Information about Plutonium-237:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 237.048404 | ± | 0.000003 | amu |
| Excess Mass (Δ): | 45.087818 | ± | 0.002342 | MeV |
| Binding Energy: | 1794.274467 | ± | 0.002363 | MeV |
| β- Decay Energy: | -1.459627 | ± | 0.051899 | 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: 7/2-
- Half life: 45.2 days ( 3.90528×10+06 sec., λ = 1.7749×10-07 s-1)
- Mode of decay:
E.C. to
(Q = 0.220 MeV)
- Mode of decay:
α to
(Q = 5.750 MeV)
Branch ratio: 0.0042 %
Meta state at 0.146 Mev
- Spin: 1/2+
45.2
- Half life: 0.18 s ( 0.18 sec., λ = 3.85082 s-1)
- Mode of decay: γ (IT)
Meta state at 2.600 Mev
0.18 - Half life: 85 ns ( 8.5×10+10 sec., λ = 8.15467×10-12 s-1)
Meta state at 2.900 Mev
85 8 - Half life: 1.1 µs ( 1.1×10-06 sec., λ = 630134 s-1)
- Mode of decay: SF
(Q = 0 0.000 MeV)
Branch ratio: <=100.00 %
- Possible parent nuclides:
- E.C. from
- 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)
Magnetic Dipole Moments and Electric Quadrupole Moments
| Ex(kev) | T1/2 | Spin | | m(nm) | | Q(b) | | Ref. Std. | Method | Reference |
| ~2300 | 85 ns | (3/2) | | -0.68(5) | | | | | TDPAD | PRL 48 982 (82)/PRL 49 244(E) (82) |
| ~2600 | 1.1 ms | | | g=+0.14(2) | | | | | TDPAD | PRL 32 1009 (74)/Cf74Upp 132 (74) |
| | | | | | | | | | |
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.
|