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 SYS(p)= 3070 keV SYQ(α)= 8.55×103 keV SY
Reference: 2017WA10

  A  207Pb(40Ar,3n) 

General Comments:


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)

XREFJπ(level) T1/2(level)
  0.0A 0+ 3.12 ms 8 
% SF > 97
% ε < 2
% α < 1

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Additional Level Data and Comments:

  0.00+ 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.

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