ADOPTED LEVELS, GAMMAS for 246Fm
Author: C.D. Nesaraja | Citation: Nucl. Data Sheets 198, 449 (2024) | Cutoff date: 31-Jul-2022
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-5920 keV SY | S(n)= 8070 keV SY | S(p)= 3410 keV SY | Q(α)= 8379 keV 5 | ||
| Reference: 2021WA16 |
| References: | |||
| A | 246Md ε decay (4.4 S) | B | 208Pb(40Ar,2nγ) |
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | I(γ) | Final Levels | |
| 0.0 | AB | 0+ | 1.53 s 4 % α = 93.2 6 % SF = 6.4 5 % ε < 1.3 | ||||
| 0+X | A | % ECSF > 10 | |||||
| 47 1 ? | B | (2+) | 47S | | 0.0 | 0+ | |
| 155 2 ? | B | (4+) | 108S | | 47 | (2+) | |
| 322 1 ? | B | (6+) | 167 1 | 100 | 155 | (4+) | |
| 546 1 ? | B | (8+) | 224 1 | 100 | 322 | (6+) | |
| 824 2 ? | B | (10+) | 278 1 | 100 | 546 | (8+) | |
| 1151 2 ? | B | (12+) | 327 1 | 100 | 824 | (10+) | |
| 1523 3 ? | B | (14+) | 372 2 | 100 | 1151 | (12+) | |
| 1937 4 ? | B | (16+) | 414 2 | 100 | 1523 | (14+) | |
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | I(γ) | Final Levels | ||
| Band 1 - g.s. band | |||||||
| 47 1 | (2+) | ||||||
| 155 2 | (4+) | ||||||
| 322 1 ? | (6+) | 167 1 | 100 | 155 | (4+) | ||
| 546 1 ? | (8+) | 224 1 | 100 | 322 | (6+) | ||
| 824 2 ? | (10+) | 278 1 | 100 | 546 | (8+) | ||
| 1151 2 ? | (12+) | 327 1 | 100 | 824 | (10+) | ||
| 1523 3 ? | (14+) | 372 2 | 100 | 1151 | (12+) | ||
| 1937 4 ? | (16+) | 414 2 | 100 | 1523 | (14+) | ||
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 47 | (2+) | E(level): g.s. band. | |
| 155 | (4+) | E(level): g.s. band. | |
| 322 | (6+) | E(level): g.s. band. | |
| 546 | (8+) | E(level): g.s. band. | |
| 824 | (10+) | E(level): g.s. band. | |
| 1151 | (12+) | E(level): g.s. band. | |
| 1523 | (14+) | E(level): g.s. band. | |
| 1937 | (16+) | E(level): g.s. band. |
Other reactions: 232Th(20Ne,6n), 232Th(22Ne,8N) E=130-150 MeV (1998Sa08).
Theoretical structure calculations:
Q(α), T1/2(α) and T1/2 s.f.
2022Az01,2022Ro12,2022Wa06,2022Xu04,2021Ch44,2021El09,2021Ka17, 2021Ko21,2021He09,2019Ak07,2019Sr04,2018Cl01,2017Da09, 2015Ba24, 2013Ra05,2013Se17,2010Sa09
Fission barrier heights:
2021Po06,2018Po05, 2010Ad04, 2010Sv01, 2009Mo18, 2009St14, 2008Sa24, 2008Xu06, 2007Po01, 2006St04, 2005Xu01, 2004Bo34, 2004Ro01, 2003Po03, 2001Mo13, 1996Lo08, 1992Bh03.
Energy Levels:
2016Li37,2002Pr01
Potential energy surfaces for fission:
1976Iw02
α decay systematics:
2010Is01, 2010Ni09, 2010Wa23, 2009Ni06, 2009Sa25, 2009Sa45, 2008Do12, 2007Pe30, 2005Zh24, 2004Gm02, 2003Re32, 2002Re31, 2001Mo07, 2000Po25, 1993Bu09, 1991Bu05, 1987Po06.
Deformation parameters:
1991Pa11
Q-value: ΔQ(β-)=260, ΔS(n)=200, ΔS(p)=170 (syst,2021Wa16)
Q-value: S(2n)=14920 200 (syst), S(2p)=5865 14 (2021Wa16)