ADOPTED LEVELS for 261Db
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-)=-3.76×103 keV SY | S(n)= 7.49×103 keV SY | S(p)= 2.19×103 keV SY | Q(α)= 9.22×103 keV SY | ||
| Reference: 2012WA38 |
| E(level) (keV) | T1/2(level) |
| 0.0 | 1.8 s 4 % α ≥ 82 % SF ≤ 18 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 1.8 s 4 % α ≥ 82 % SF ≤ 18 | Calculated: T1/2(ε+β+)>100 s, T1/2(α)=1.8 s (1997Mo25); T1/2(SF)≈1×102 s (1988Lo03). |
Calculations, compilations:
Favored α decay: 1993Bu09
g.s. properties: 1997Mo25, 1995Mo29
Single-particle Nilsson levels: 1994Cw02
1994Cw02 calculate the following single-particle level sequence: g.s. 9/2[624], 0.22 MeV 5/2[512], 0.30 MeV 1/2[521], 0.31 MeV 7/2[514]
Assignment: 250Cf(15N,4n), 249Bk(16O,4n), parent of 257Lr (1971Gh01); 243Am(22Ne,4n) excit, angular distribution of recoil atoms, excit (1971Fl02); 250Cf(15N,4n), 243Am(22Ne,4n), parent of 257Lr (1998La30)
Q-value: Note: Current evaluation has used the following Q record -3800 syst 7400 syst 2000 syst 9220 syst 1995Au04
Q-value: Estimated ΔQ(β-)=400, ΔS(n)=400, ΔS(p)=300, ΔQ(α)=100 (1995Au04)