ADOPTED LEVELS for 261Lr
Author: Agda Artna-cohen | Citation: Nucl. Data Sheets 88, 155 (1999) | Cutoff date: 31-Jul-1999
Full ENSDF file | Adopted Levels (PDF version)
Q(β-)=-1.76×103 keV SY | S(n)= 6.79×103 keV SY | S(p)= 3.3×103 keV SY | Q(α)= 8.14×103 keV SY | ||
Reference: 2012WA38 |
E(level) (keV) | T1/2(level) |
0.0 | 39 m 12 % SF = ? |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 39 m 12 % SF = ? | Calculated T1/2(SF)≈5 h (1989Mo03). |
Calculations, compilations:
g.s. properties: 1997Mo25, 1995Mo29
Single-particle Nilsson levels: 1994Cw02
1994Cw02 calculate the following single-particle level sequence: g.s. 1/2[521], 0.07 MeV 7/2[514], 0.15 MeV 9/2[624], 0.62 MeV 7/2[633], 0.62 MeV 5/2[512]
Assignment: 254Es+22Ne, ms, ion chem; observed SF (1989HuZU). 248Cm(18O,5n)261Rf(ε); Lr ion chem. Observed SF (1991HeZT).
Q-value: Note: Current evaluation has used the following Q record -1690 syst 6800 syst 3300 syst 8200 syst 1995Au04
Q-value: Estimated ΔQ(β-)=230, ΔS(n)=230, ΔS(p)=300, ΔQ(α)=200 (1995Au04)