ADOPTED LEVELS for 158Eu

Author: N. Nica |  Citation: Nucl. Data Sheets 141, 1 (2017) |  Cutoff date: 1-Feb-2017 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=3434 keV 10S(n)= 5868 keV 11S(p)= 7867 keV 11Q(α)= -1.17×103 keV 5
S(2n)= 13315 keV 11S(2p)= 17669 keV 11
Reference: 2017WA10

References:
  A  158Sm β- decay  B  252Cf SF decay




E(level)
(keV)
XREFJπ(level) T1/2(level)
  0.0AB (1-) 45.9 m 2 
% β- = 100

E(level): The γ’s, which are all unplaced, are not given here; see 158Sm β- decay.

E(level): Levels have been proposed in an unpublished study of the decay of 158Sm and used in the analysis of the total absorption γ spectrum (1997Gr09), but have not been adopted.

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
  0.0(1-) 45.9 m 2 
% β- = 100
Q=+0.66 14, μ=+1.44 2
From 1990Al34, |l(158Eu-151Eu)=0.839 6 fm2 directly from table and by differences of values |l(158Eu-156Eu)=0.146 9 fm2 and |l(158Eu-157Eu)=0.60 9 fm2. Only the statistical uncertainties are given. |l ≈ Δ<r2>; see 1990Al34 for exact relationship.
E(level): From 1990Al34, |l(158Eu-151Eu)=0.839 6 fm2 directly from table and by differences of values |l(158Eu-156Eu)=0.146 9 fm2 and |l(158Eu-157Eu)=0.60 9 fm2. Only the statistical uncertainties are given. |l ≈ Δ<r2>; see 1990Al34 for exact relationship.

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