ADOPTED LEVELS for 244Fm
Author: C.D. Nesaraja | Citation: Nucl. Data Sheets 146, 387 (2017) | Cutoff date: 31-Aug-2017
Full ENSDF file | Adopted Levels (PDF version)
| S(n)= 8.490×103 keV SY | S(p)= 3070 keV SY | Q(α)= 8.55×103 keV SY | |||
| Reference: 2017WA10 |
| References: | |||
| A | 207Pb(40Ar,3n) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) |
| 0.0 | A | 0+ | 3.12 ms 8 % SF > 97 % ε < 2 % α < 1 |
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 0+ | 3.12 ms 8 % SF > 97 % ε < 2 % α < 1 | SF, α decay, and ε branching ratios deduced by 2008Kh10. E(level): SF, α decay, and ε branching ratios deduced by 2008Kh10. |
Identification:
1967Nu01: 244Fm produced from 233U(16O,5n) reaction. Measured excitation function and SF half-life
Systematic studies/Compilation/Evaluation:
2017He08: Properties of spontaneous fission
Theoretical studies:
2012Zh01, 1995Mo29: Calculated deformation parameters
2010Ad04: Calculated energies of low-lying two-quasiparticle states
2009Sa45: Calculated α decay half-life, and barrier penetrabilty
1997Mo25: Calculated nuclear ground state properties
1983Bo15: Calculated equilibrium deformations and static electric moment
2012Zh48, 2004B034, 2009Mo18, 1983Cw01, 1992Bh03: Calculated fission-barrier heights
1996Lo08, 1992Bh03, 1989St20, 1988Sa35, 1985St22, 1980Lo12, 1978Po09 1976Ra02: Calculated T1/2(SF)
2017Ph01, 2005Zh24, 1997Mo25, 1988Sa35: Calculated T1/2(α)
1998Io04: Calculated probability for ionic-decay relative to SF decay
1997Po18: Calculated half-life from semiempirical formula
Q-value: Δ(S(n))=290, Δ(S(p))=290, Δ(Q(α))=200 (sys, 2017Wa10)