ADOPTED LEVELS for 221Pa
Authors: Ashok Jain, Sukhjeet Singh, Suresh Kumar, Jagdish Tuli | Citation: Nucl. Data Sheets 108, 883 (2007) | Cutoff date: 15-Jan-2007
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-4.11×103 keV SY | S(n)= 7.91×103 keV SY | S(p)= 1.58×103 keV 6 | Q(α)= 9.25×103 keV 5 | ||
| Reference: 2012WA38 |
| E(level) (keV) | Jπ(level) | T1/2(level) |
| 0.0 | 9/2- | 5.9 µs 17 % α = 100 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 9/2- | 5.9 µs 17 % α = 100 | Only α decay was observed. From gross β- decay theory of 1973Ta30, %ε+%β+<1.0×10-6. |
Assignment: 209Bi(16O,4n), E(16O)=87.4-101.9 MeV and 105 MeV; excit, recoil mass separation (1989Mi17); daughter of 217Ac (1983Hi12,1989Mi17).
Calculated levels, deformation, Reflection Asymmetric Mean Field Approach: 1991Cw01
Q-value: Note: Current evaluation has used the following Q record -4210 syst 8070 80 1580 60 9250 50 2003Au03
Q-value: Estimated ΔQ(β-)=110 (2003Au03)