ADOPTED LEVELS for 239Bk
Authors: E. Browne, J. K. Tuli | Citation: Nucl. Data Sheets 122, 293 (2014) | Cutoff date: 30-Jun-2013
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-3995 keV SY | S(n)= 8036 keV SY | S(p)= 2483 keV SY | Q(α)= 7200 keV SY | ||
| Reference: 2012WA38 |
| References: | |||
| A | 243Es α decay | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) |
| 0 | A | (3/2-,7/2+) | % ε > 99 % α < 1 % SF < 1 |
| 47 10 | A | (7/2+,3/2-) | |
| 197 14 ? | A |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | (3/2-,7/2+) | % ε > 99 % α < 1 % SF < 1 | Partial half-life estimates are: T1/2(α)≈115 h (1997Mo25), T1/2(ε)≈12 min (1973Ta30). E(level): Partial half-life estimates are: T1/2(α)≈115 h (1997Mo25), T1/2(ε)≈12 min (1973Ta30). |
Others:
Discovery of 239Bk: 2013Fr02.
Calculated T1/2 for α decay of 243Es: 2013Zd01, 2011Sa40.
Calculated single-particle energies: 2004Pa40.
Q-value: ΔQ(β-)=294 syst; ΔS(n)=328 syst; ΔS(p)=207 syst; ΔQ(α)=200 syst (2012Wa38)