element
|
Information about Aluminum-21:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 21.028040 | ± | 0.000320 | amu # |
| Excess Mass (Δ): | 26.119000 | ± | 0.298000 | MeV # |
| Binding Energy: | 133.208000 | ± | 0.298000 | 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: (1/2+)
- Half life: <35 ns ( 0 sec., λ = inf s-1)
- Mode of decay: p+ emission to
(Q = 1.300 MeV)
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)
|