ADOPTED LEVELS for 255Es
Authors: E. Browne, J. K. Tuli | Citation: Nucl. Data Sheets 114, 1041 (2013) | Cutoff date: 1-Nov-2011
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=290 keV 10 | S(n)= 5973 keV 12 | S(p)= 4540 keV 16 | Q(α)= 6436.3 keV 14 | ||
Reference: 2012WA38 |
References: | |||
A | 255Cf β- decay |
E(level) (keV) | XREF | Jπ(level) | T1/2(level) |
0 | A | (7/2+) | 39.8 d 12 % β- = 92.0 4 % α = 8.0 4 % SF = 0.0041 2 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0 | (7/2+) | 39.8 d 12 % β- = 92.0 4 % α = 8.0 4 % SF = 0.0041 2 | T1/2(SF)=2600 y 100 (1967Fi03,2000Ho27). E(level): T1/2(SF)=2600 y 100 (1967Fi03,2000Ho27). |
Calculations, compilations:
α decay: 1993Bu09, 1992Bu03
Ground state properties: 2010Ni02, 2008Do12, 2007Ro08, 1997Mo25, 1995Mo29.
Pion decay: 1988Io05
Single-particle Nilsson levels: 2010Ad19, 2004Pa40, 1994Cw02.
Spontaneous fission calculated half-lives: 2005Re16, 2005RoZS, 2004Ro01.
1994Cw02 have calculated the following single-particle level sequence: g.s. 7/2[633], 0.30 MeV, 3/2[521]; 0.31 MeV, 1/2[521]; 0.51 MeV, 7/2[514]; 0.53 MeV, 1/2[660]; 0.62 MeV, 5/2[642].