ADOPTED LEVELS, GAMMAS for 202At
Authors: S. Zhu and F.G. Kondev | Citation: Nucl. Data Sheets 109, 699 (2008) | Cutoff date: 1-May-2007
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-4.32×103 keV 4 | S(n)= 7.87×103 keV 3 | S(p)= 1.35×103 keV 3 | Q(α)= 6353.8 keV 14 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 206Fr α decay | B | 206Fr α decay (16 S) |
| C | 206Fr α decay (0.7 S) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0 | AB | (2+,3+) | 184 s 1 % ε = 63 7 % α = 37 7 | |||||
| 0+XS | BC | (7+) | 182 s 2 % ε = 91.3 15 % α = 8.7 15 | |||||
| 391.7+X 2 | C | (10-) | 0.46 s 5 % IT = 99.90 1 % α = 0.096 11 | 391.7 2 | 100 | E3 | 0+X | (7+) |
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) (keV) | Multipolarity | Conversion Coefficient | Additional Data |
| 391.7+X | (10-) | 0.46 s 5 % IT = 99.90 1 % α = 0.096 11 | 391.7 2 | E3 | 0.268 | B(E3)(W.u.)=0.00061 7, α=0.268, α(K)=0.0987 14, α(L)=0.1249 18, α(M)=0.0336 5, α(N)=0.00875 13, α(O)=0.001757 25, α(P)=0.000194 3, α(N+)=0.01070 16 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | (2+,3+) | 184 s 1 % ε = 63 7 % α = 37 7 | Configuration=((π h9/2)(ν f5/2)) or configuration=((π h9/2)(ν p3/2)). E(level): Configuration=((π h9/2)(ν f5/2)) or configuration=((π h9/2)(ν p3/2)). |
| 0+X | (7+) | 182 s 2 % ε = 91.3 15 % α = 8.7 15 | Eα=6134 keV 1, weighted average of 6133 keV 2 (1963Ho18), 6133 keV 3 (1967Tr06), 6133 keV 5 (1974Ho27) and 6135 keV 2 (1975BaYJ). E(level): Eα=6134 keV 1, weighted average of 6133 keV 2 (1963Ho18), 6133 keV 3 (1967Tr06), 6133 keV 5 (1974Ho27) and 6135 keV 2 (1975BaYJ). |
| 391.7+X | (10-) | 0.46 s 5 % IT = 99.90 1 % α = 0.096 11 | Eα=6277 keV 5 (1992Hu04). |
| E(level) | E(gamma) | Comments |
| 391.7+X | 391.7 | E(γ): from 1992Hu04; other: 391 keV (1981Ri04) M(γ): From α(K)exp=0.088 12 and K/L=0.62 1 (1992Hu04). |