ADOPTED LEVELS for 177Tl
Author: F.G. Kondev | Citation: Nucl. Data Sheets 159, 1 (2019) | Cutoff date: 30-Aug-2019
Full ENSDF file | Adopted Levels (PDF version)
| S(n)= 11990 keV 80 | S(p)= -1155 keV 19 | Q(α)= 7067 keV 7 | |||
| Reference: 2017WA10 |
| E(level) (keV) | Jπ(level) | T1/2(level) |
| 0.0 | (1/2+) | 18 ms 5 % α = 73 13 % p = 27 13 |
| 807 23 | (11/2-) | 230 µs 40 % α = 49 8 % p = 51 8 |
T1/2(level): From α(t) and p(t) in 1999Po09.
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | (1/2+) | 18 ms 5 % α = 73 13 % p = 27 13 | production cross section σ ≈ 10 nb (1999Po09). E(level): production cross section σ ≈ 10 nb (1999Po09). |
| 807 | (11/2-) | 230 µs 40 % α = 49 8 % p = 51 8 | Eα=7487 keV 13, E(p)=1958 keV 10 (1999Po09); Other: Eα=7472 keV 11, E(p)=1954 keV 12 (2004Ke06). E(level): Eα=7487 keV 13, E(p)=1958 keV 10 (1999Po09); Other: Eα=7472 keV 11, E(p)=1954 keV 12 (2004Ke06). |
1999Po09: Produced using the 102Pd(78Kr,1p2n) reaction. Projectile: 78Kr, E=370 MeV. Target: 102Pd, 1 mg/cm2 thick, 78% enriched. Detectors: Argonne Fragment Mass Analyzer, Parallel Grid Avalanche Counter, 40x40 strips Double-sided Silicon Strip Detector. Measured: time correlated Eα and E(p); Iα, Ip, T1/2; recoil-Eα and recoil-E(p) coin, Eα(parent)-Eα(daughter) correlations; %α, %p.
Others: 2001Da31 (experimental) and 2001Da18 (theoretical) - same authors as 1999Po09; 1990SeZW, 1991Se01, 1999Gu08, 2004Ke06