ADOPTED LEVELS, GAMMAS for 214Ac
Authors: Shaofei Zhu and E. A. Mccutchan | Citation: Nucl. Data Sheets 175, 1 (2021) | Cutoff date: 1-May-2021
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-4262 keV 17 | S(n)= 7779 keV 18 | S(p)= 1201 keV 17 | Q(α)= 7351.9 keV 25 | ||
| Reference: 2021WA16 |
| References: | |||
| A | 218Pa α decay (107 μs) | B | 218Pa α decay (0.13 MS) |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) |
| 0.0 | AB | 5(+) | 8.2 s 2 % α ≥ 89 3 % ε ≤ 11 3 | |
| 91.8 4 | AB | (4+) | 91.8 4 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 5(+) | 8.2 s 2 % α ≥ 89 3 % ε ≤ 11 3 | Q=+0.14 8, μ=+4.84 10 Δ<r2>{=-0.0770 fm2 10 relative to 215Ac (2016Fe11) from isotope shift measurement with uncertainty deduced by quadratic addition of statistical uncertainty of 0.0004 (2σ) and systematic uncertainty of 0.0010 (1σ). E(level): Δ<r2>{=-0.0770 fm2 10 relative to 215Ac (2016Fe11) from isotope shift measurement with uncertainty deduced by quadratic addition of statistical uncertainty of 0.0004 (2σ) and systematic uncertainty of 0.0010 (1σ). |
| E(level) | E(gamma) | Comments |
| 91.8 | 91.8 | E(γ): weighted average of 91.8 4 (2000He17) and 91.8 8 (2020Zh01). |