93-Np-239
basic
n-XS summary
XS graphs
element
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93-neptunium-239
- Atomic Mass: 239.0529314 +- 0.0000023 amu
- Excess Mass: 49305.273 +- 2.133 keV
- Binding Energy: 1806982.011 +- 2.158 keV
- Beta Decay Energy: B- 721.796 +- 0.874 keV
"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.
- Spin: 5/2+
- Half life: 2.3565 d
- Mode of decay: Beta to Pu-239
- Possible parent nuclides:
- Beta from U-239
- Alpha from Am-243
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 |
| 75 | 1.40 ns | 5/2- | | +2.0(3) | | | | [237Np 60] | IPAC | NP A104 588 (67) |
| | | | | | | | | | |
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.
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