element
|
Information about Radium-217:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 217.006306 | ± | 0.000010 | amu |
| Excess Mass (Δ): | 5.874010 | ± | 0.009565 | MeV |
| Binding Energy: | 1676.755940 | ± | 0.009569 | MeV |
| β- Decay Energy: | -2.819321 | ± | 0.015620 | 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: (9/2+)
- Half life: 1.6 µs ( 1.6×10-06 sec., λ = 433217 s-1)
- Mode of decay:
α to
(Q = 9.161 MeV)
- 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)
|