ADOPTED LEVELS for 221At
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-)=2310 keV 16 | S(n)= 5664 keV 20 | S(p)= 5770 keV 23 | Q(α)= 5628 keV 23 | ||
| Reference: 2012WA38 |
| E(level) (keV) | T1/2(level) |
| 0.0 | 2.3 m 2 % β- = 100 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 2.3 m 2 % β- = 100 | The activity of β- daughter only was observed by 1989Bu09. E(level): The activity of β- daughter only was observed by 1989Bu09. |
Assignment: 232Th(600-MeV p,x) mass separation; parent of 25-min 221Rn (1989Bu09).
Q-value: Note: Current evaluation has used the following Q record 2340 syst 5610 syst 5940 syst 5570 syst 2003Au03
Q-value: Estimated ΔQ(β-)=200, ΔS(n)=200, ΔS(p)=410, ΔQ(α)=280 (2003Au03)