90-Th-229
basic
n-XS summary
XS graphs
element
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90-thorium-229
Thorium-229 helps fluorescent lights to last longer.
- Atomic Mass: 229.0317553 +- 0.0000031 amu
- Excess Mass: 29579.904 +- 2.925 keV
- Binding Energy: 1748341.213 +- 2.941 keV
- Beta Decay Energy: B- -310.431 +- 8.827 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: 7340 years
- Mode of decay: Alpha to Ra-225
- Possible parent nuclides:
- Beta from Ac-229
- Electron capture from Pa-229
- Alpha from U-233
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 |
| 0 | 7340 y | 5/2+ | | +0.46(4) | | | | [239Pu] | O | JPPa 35 483 (74) |
| | | | | | +4.3(9) | | | O | JPPa 35 483 (74) |
| | | | | | | | | | |
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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