ADOPTED LEVELS for 240Bk
Author: C. Morse | Citation: Nucl. Data Sheets 206, 359 (2025) | Cutoff date: 27-Sep-2024
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-2324 keV SY | S(n)= 6657 keV SY | S(p)= 2772 keV SY | Q(α)= 7199 keV SY | ||
| Reference: 2021Wa16 |
| References: | |||
| A | 244Es α decay | ||
| E(level) (keV) | XREF | T1/2(level) |
| 0 | A | 4.2 m 8 % ε = ? % ECSF = 0.0013 +18-7 |
| ≈240 | A |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | 4.2 m 8 % ε = ? % ECSF = 0.0013 +18-7 | %ε≈100 is adopted by 1980Ga07. β+ or ε decays were not observed. E(level): %ε≈100 is adopted by 1980Ga07. β+ or ε decays were not observed. |
Assignment: 232Th(14N,6n) excitation functions (1980Ga07), 241Am(3He,4n) (1983Ga05)
Probability of delayed fission=1.0×10-5 (1980Ga07); 1.3×10-5 +18-7 (1983Ga05).
Q-value: ΔQ(β-)=151, ΔS(n)=256, ΔS(p)=212, ΔQ(α)=191 (2021Wa16)
Q-value: S(2n)=14695 syst 297, S(2p)=7335 syst 161 (2021Wa16)