ADOPTED LEVELS for 259Fm

Authors: E. Browne, J. K. Tuli |  Citation: Nucl. Data Sheets 114, 1041 (2013) |  Cutoff date: 1-Aug-2011 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=80 keV SYS(n)= 4793 keV SYS(p)= 6286 keV SYQ(α)= 6470 keV SY
Reference: 2012WA38

General Comments:

Calculations, compilations:

Ground state properties: 1997Mo25, 1995Mo29

Pion decay: 1988Io05

Single-particle levels: 2005Pa13, 1994Cw02

Spontaneous Fission: 2005Re16, 2004Ro01

Proton Decay, Cluster Radioactivity: 2002Du16

1994Cw02 calculates the following single-particle level sequence: g.s. 9/2[615], 0.03 MeV 11/2[725], 0.05 MeV 7/2[613], 0.11 MeV 3/2[622], 0.17 MeV 1/2[620]

Assignment: 257Fm(t,p) (1980Hu03).

Symmetric mass distribution in SF found; most probable total kinetic energy release is 242 MeV (1980Hu03).

Q-value: Estimated ΔQ(β-)=346, ΔS(n)=347, ΔS(p)=411, ΔQ(α)=200 (2012Wa38)




E(level)
(keV)
T1/2(level)
  0 1.5 s 2 
% SF = 100

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments

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