ADOPTED LEVELS, GAMMAS for 242Es
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)
| Q(β-)=-3600 keV SY | S(n)= 7160 keV SY | S(p)= 1810 keV SY | Q(α)= 8160 keV 20 | ||
| Reference: 2021WA16 |
| References: | |||
| A | 246Md α decay (0.9 S) | B | 246Md α decay (4.4 S) |
| E(level) (keV) | XREF | T1/2(level) | E(γ) (keV) | Final Levels | |
| 0.0 | AB | 17.8 s 16 % α = 57 3 % ε = 43 3 | |||
| 218 50 | A | ||||
| 252.0? | B | 252.0 | 0.0 | ||
| 531.0 | B | 279.0 | 252.0 | ||
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0.0 | 17.8 s 16 % α = 57 3 % ε = 43 3 | Probability of ε-delayed fission=1.3% +12-7 (2010An08), 0.6% 2 (2000Sh10). |
Assignment: 1994La25:209Bi(230-MeV 40Ar,3n)246Md(α decay), 208Pb(230-MeV 37Cl,3n), p 242Cf and 238Bk
1996Ni09:209Bi(191.2-,197.2-, 204.8-MeV 40Ar,3n)
2000Sh10:233U(87-MeV 14N,5n), p 242Cf
Q-value: ΔQ(β-)=480, ΔS(n)=350, ΔS(p)=310 (syst,2021Wa16)
Q-value: S(2n)=15570 450, S(2p)=5440 300, Q(εp)=1530 310 (syst,2021Wa16)