ADOPTED LEVELS for 257No
Authors: E. Browne, J. K. Tuli | Citation: Nucl. Data Sheets 114, 1041 (2013) | Cutoff date: 1-Mar-2012
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-2357 keV 45 | S(n)= 5645 keV 10 | S(p)= 4495 keV SY | Q(α)= 8477 keV 6 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 261Rf α decay (70 S) | B | 261Rf α decay (2.1 S) |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) |
| 0 | AB | (3/2+) | 24.5 s 5 % α = 85 15 % SF < 1.5 % ε ≤ 30 |
| 0.0+X | A |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | (3/2+) | 24.5 s 5 % α = 85 15 % SF < 1.5 % ε ≤ 30 | Only α decay has been observed. %SF from T1/2(SF)>28 min (2000Ho27,2000La34). %ε estimated in 2002Ho11. E(level): Only α decay has been observed. %SF from T1/2(SF)>28 min (2000Ho27,2000La34). %ε estimated in 2002Ho11. |
Calculations, compilations:
Binding energy: 1997Pa22
Favored α decay: 1993Bu09
Ground state properties: 1997Mo25, 1995Mo29
Single-particle Nilsson states: 2005Pa13, 2003Be67, 1994Cw02
Q(α), half-life: 2012Po01, 2011Ad15, 2010Si27, 2009Do22, 2009Sa25, 2008Do12, 2007Sa28, 2007Zh41, 2006Ma78, 2006Ma78, 2006Ch63, 2001Re13. S(n): 2004Pa31, 2003Ga34.
1994Cw02 have calculated the following single-particle level sequence: g.s., 1/2[620]; 0.01 MeV, 3/2[622]; 0.09 MeV, 11/2[725]; 0.12 MeV, 7/2[613]; 0.47 MeV, 9/2[615].
Q-value: ΔS(p)=123 syst (2012Wa38)