ADOPTED LEVELS for 229Fr
Authors: F.G. Kondev, J.K. Tuli and E. Browne | Citation: Nucl. Data Sheets 208, 397 (2026) | Cutoff date: 23-Oct-2025
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=3106 keV 16 | S(n)= 5787 keV 8 | S(p)= 6864 keV 18 | Q(α)= 2940 keV SY | ||
| Reference: 2021WA16 |
| E(level) (keV) | Jπ(level) | T1/2(level) |
| 0.0 | (1/2+) | 50.2 s 4 % β- = 100 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | (1/2+) | 50.2 s 4 % β- = 100 | μ=+1.53 2 (2014Bu06) δ<r2>(229Fr,221Fr)=+0.894 fm2 11 (2014Bu06). |