ADOPTED LEVELS for 257Lr
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-)=-3261 keV SY | S(n)= 7211 keV SY | S(p)= 2506 keV SY | Q(α)= 9008 keV SY | ||
| Reference: 2012WA38 |
| References: | |||
| A | 261Db α decay | B | 257Rf ε decay (4.4 S) |
| C | 257Rf ε decay (4.1 S) | ||
| E(level) (keV) | XREF | T1/2(level) |
| 0 | BC | ≈ 4 s % α ≤ 100 % ε < 15 % SF < 0.033 |
| 1.5E+2 10 | ABC |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
Calculations, compilations:
Favored α decay: 1993Bu09
g.s. properties: 1997Mo25, 1995Mo29
Single-particle Nilsson levels: 2004Pa40, 1994Cw02
Q(α), T1/2: 2011Sa40, 2010Si27, 2009Do22, 2008Do12, 2008Ro06, 2007Zh41, 2002Re37, 2001Mo07.
1994Cw02 calculate the following single-particle level sequence: g.s. 7/2[514], 0.13 MeV 9/2[624], 0.13 MeV 1/2[521], 0.75 MeV 5/2[512], 0.83 MeV 7/2[633]
Assignment: produced by 249Cf(15N,α3n), 250Cf(14N,α2n) excit; parent of 253Md (1971Es01)
Q-value: ΔQ(β-)=45 syst, ΔS(n)=94 syst, ΔS(p)=45 syst, ΔQ(α)=31 (2012Wa38)