element
|
Information about Protactinium-228:
 |  |  | | | Wikipedia | Neutron Cross Sections | X-Ray Transitions | X-Ray Attenuation |
Mass-Energy Data:
| Atomic Mass: | 228.031037 | ± | 0.000005 | amu |
| Excess Mass (Δ): | 28.910721 | ± | 0.004897 | MeV |
| Binding Energy: | 1740.156720 | ± | 0.004906 | MeV |
| β- Decay Energy: | -0.306848 | ± | 0.016309 | 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: 3+
- Half life: 22 h ( 79200 sec., λ = 8.75186×10-06 s-1)
- Mode of decay:
E.C. to
(Q = 2.148 MeV)
Branch ratio: 98.00 %
- Mode of decay:
α to
(Q = 6.265 MeV)
Branch ratio: 2.00 %
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 | 22 h | (3+) | | 3.5(5) | | | | | NO/S | NP A493 83 (89) |
| | | | | | | | | | |
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.
|