ADOPTED LEVELS for 223At
Author: E. Browne | Citation: Nucl. Data Sheets 93, 846 (2001) | Cutoff date: 1-May-2001
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=3038 keV 16 | S(n)= 5596 keV 22 | S(p)= 6.35×103 keV 5 | Q(α)= 4.72×103 keV SY | ||
| Reference: 2012WA38 |
| E(level) (keV) | T1/2(level) |
| 0.0 | 50 s 7 % β- = 100 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 50 s 7 % β- = 100 | %α≈0.008, estimated by evaluator from systematics of T1/2(α) in 213At, 215At, 217At, and 219At. Alpha particles were not seen. E(level): %α≈0.008, estimated by evaluator from systematics of T1/2(α) in 213At, 215At, 217At, and 219At. Alpha particles were not seen. |
223At activity was produced by spallation of 600-MeV photons on targets of 232Th. Assignment to 223At is based on mass separation. The disintegration rate was determined by measuring the β- activity with a 4π plastic scintillator detector (1989Bu09).
Q-value: Note: Current evaluation has used the following Q record 3300 SY5300 SY6760 SY4540 syst 1995Au04