ADOPTED LEVELS for 242Fm
Authors: M.J. Martin, C.D. Nesaraja | Citation: Nucl. Data Sheets 186, 261 (2022) | Cutoff date: 31-Dec-2021
Full ENSDF file | Adopted Levels (PDF version)
| S(n)= 8890 keV SY | S(p)= 2780 keV SY | Q(α)= 8700 keV SY | |||
| Reference: 2021WA16 |
| E(level) (keV) | Jπ(level) | T1/2(level) |
| 0.0 | 0+ | 0.8 ms 2 % SF ≈ 100 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 0+ | 0.8 ms 2 % SF ≈ 100 | Only SF decay was observed (1975Te01). E(level): Only SF decay was observed (1975Te01). |
Assignment: 204Pb(225-MeV 40Ar,2n); T1/2(SF) systematics 1975Te01). Also produced in 206Pb(203-225 MeV 40Ar,4n) (1975Te01)
For systematics of SF decays, spontaneous fission half-lives, calculations of fission barriers, and other theory works see the NSR
Q-value: ΔS(n)=500, ΔS(p)=460, ΔQ(α)=500 (syst,2021Wa16)
Q-value: S(2p)=4170 400, Q(εp)=1780 430 (syst,2021Wa16)