ADOPTED LEVELS, GAMMAS for 200At
Authors: F.G. Kondev, S. Lalkovski | Citation: Nucl. Data Sheets 108,1471 (2007) | Cutoff date: 1-Aug-2006
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-4.97×103 keV 3 | S(n)= 8.24×103 keV 3 | S(p)= 1.06×103 keV 4 | Q(α)= 6596.1 keV 14 | ||
| Reference: 2012WA38 |
| References: | |||
| A | 204Fr α decay (1.9 S) | B | 204Fr α decay (1.6 S) |
| C | 204Fr α decay (0.8 S) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | M(γ) | Final Levels | |
| 0 | ABC | (3+) | 43 s 1 % ε = 48 3 % α = 52 3 | |||||
| 112 5 | BC | (7+) | 47 s 1 % α = 43 7 % ε ≤ 57 | |||||
| 113.0 10 | A | (2,4)+ | 113 1 | 100 | (M1) | 0 | (3+) | |
| 344 5 | C | (10-) | 7.3 s +26-15 % α ≈ 10.5 3 | 230.9 2 | 100 | E3 | 112 | (7+) |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | (3+) | 43 s 1 % ε = 48 3 % α = 52 3 | Probable configuration=((π h9/2)+1(ν f5/2)-1) (π+2,ν-6)0+. |
| 112 | (7+) | 47 s 1 % α = 43 7 % ε ≤ 57 | Probable configuration=((π h9/2)+1(ν f5/2)-1) (π+2,ν-6)0+. |
| 344 | (10-) | 7.3 s +26-15 % α ≈ 10.5 3 | Probable configuration=((π h9/2)+1(ν i13/2)-1) (π+2,ν-6)0+. |
| E(level) | E(gamma) | Comments |
| 113.0 | 113 | M(γ): Reported in 1992Hu04, but no spectroscopic information is presented by the authors |
| 344 | 230.9 | M(γ): From α(K)exp, α(L)exp and α(M)exp in 1992Hu04 |