ADOPTED LEVELS for 246Es

Authors: E. Browne, J. K. Tuli |  Citation: Nucl. Data Sheets 112, 1833 (2011) |  Cutoff date: 1-Jan-2011 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-2.29×103 keV SYS(n)= 6.5×103 keV SYS(p)= 2.77×103 keV SYQ(α)= 7.74×103 keV SY
Reference: 2012WA38

General Comments:

Calculations, compilations:

α-decay: 1993Bu09

Deformation parameters: 1991Pa11

Isomers in heavy, deformed nuclei: 1987So10

Fission isomers: 2009Mo18.

Q-value: Note: Current evaluation has used the following Q record

Q-value: Estimated ΔQ(β-)=230, ΔS(n)=300, ΔS(p)=224, ΔQ(α)=100 (2011AuZZ,2003Au03).




E(level)
(keV)
T1/2(level)
  0.0+X 7.5 m 5 
% ε = 90.1 18
% α = 9.9 18

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
  0.0+X 7.5 m 5 
% ε = 90.1 18
% α = 9.9 18
%ε-f≈0.003, ε delayed fission from 1980Ga07. Other value: %ε-f=3.7 +85-{i30, based on detection of "one fission event " (2001Sh09).
E(level): %ε-f≈0.003, ε delayed fission from 1980Ga07. Other value: %ε-f=3.7 +85-{i30, based on detection of "one fission event " (2001Sh09).

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