ADOPTED LEVELS for 263Db
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-)=-3.08×103 keV SY | S(n)= 7.22×103 keV SY | S(p)= 2.6×103 keV SY | Q(α)= 8.83×103 keV SY | ||
Reference: 2012WA38 |
E(level) (keV) | T1/2(level) |
0.0 | 27 s +10-7 % α = 43 14 % SF = 57 14 |
Additional Level Data and Comments:
E(level) | Jπ(level) | T1/2(level) | Comments |
0.0 | 27 s +10-7 % α = 43 14 % SF = 57 14 | Calculated T1/2(α)≈1×104 s, T1/2(SF)≈100 s (1988Lo03); T1/2(α)≈100 s (1990Ha26). |
Calculations, compilations:
g.s. properties: 1995Mo29, 1997Mo25
Single-particle Nilsson levels: 1994Cw02
1994Cw02 calculate the following single-particle level sequence:
g.s. 9/2[624], 0.23 MeV 5/2[512], 0.29 MeV 1/2[521], 0.46 MeV 7/2[514].
Assignment: 249Bk(18O,4n), ion chem, parent of 259Lr from α - SF correlation (1992Kr01), (preliminary report 1987GrZN)
Chemistry of Lr - detection of 263Lr α’s (1992Go28,1993Zi06)
Q-value: Note: Current evaluation has used the following Q record -3010 syst 7210 syst 2500 syst 8830 syst 1995Au04
Q-value: Estimated ΔQ(β-)=210, ΔS(n)=250, ΔS(p)=300, ΔQ(α)=150 (1995Au04)