ADOPTED LEVELS, GAMMAS for 159Eu

Author: C. W. Reich |  Citation: Nucl. Data Sheets 113, 157 (2012) |  Cutoff date: 31-Dec-2010 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=2518 keV 4S(n)= 6859 keV 11S(p)= 8082 keV 7Q(α)= -1528 keV 6
S(2n)= 12727 keV 11S(2p)= 18324 keV 7
Reference: 2017WA10

References:
  A  160Gd(pol t,α)  B  159Sm β- decay







E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)Final Levels
      0AB 5/2+ 18.1 m 1 
% β- = 100
    
     75.41 4 AB 7/2+       75.44 4 
  100
      0
5/2+
    172.00 6 AB 9/2+       96.65 8 
   172.00 6 
   53 12 
  100 12 
     75.41
      0
7/2+
5/2+
    189.80 5 AB 5/2-      114.42 6 
   189.79 9 
    7.2 10 
  100
     75.41
      0
7/2+
5/2+
    254.54 5 AB 7/2-       64.76 6 
    82.58 5 
   179.09 9 
   254.43 8 
   11.8 14 
    8.0 14 
   59 3 
  100 4 
    189.80
    172.00
     75.41
      0
5/2-
9/2+
7/2+
5/2+
    291A  11/2+       
    333.61 12 AB 3/2+      143.90 12 
   333.20 26 
   81 22 
  100 22 
    189.80
      0
5/2-
5/2+
    337A  9/2-       
    392A  5/2+       
    442A  11/2-       
    571A  9/2+       
    571A  (13/2-)       
    704A  (15/2-)       
    806A  (3/2+)       
    887A        
   1051.8 2  B 7/2-      797.2 5 
   861.97 14 
   879.78 29 
   976.6 3 
  1051.7 3 
   33 6 
  100 6 
   12.6 18 
   14.4 20 
   15 4 
    254.54
    189.80
    172.00
     75.41
      0
7/2-
5/2-
9/2+
7/2+
5/2+
   1076A  1/2+       
   1140A  (3/2+)       
   1140A  (5/2+)       
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)Final Levels
  ≈1260A        
  ≈1287A        
  ≈1310A  (7/2+)       
   1488A        
   1635A        
  ≈1670A        
  ≈1690A        
   1765A        
  ≈1803A        
  ≈1825A        
   1905A        
   1954A        
  ≈2460A        

E(level): From least-squares fit to γ energies.

Jπ(level): From measured angular distributions and analyzing powers in (pol t,α) (1979Bu05), except as noted for the ground state and 1051 level.

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 1 - π5/2[413] band, g.s. band. α=10.83~keV, β=-2.5 eV.
      0 5/2+ 18.1 m 1 
% β- = 100
    
     75.41 4  7/2+       75.44 4 
  100
      0
5/2+
    172.00 6  9/2+       96.65 8 
   172.00 6 
   53 12 
  100 12 
     75.41
      0
7/2+
5/2+
    291 11/2+     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 2 - π5/2[532] band. α=9.25~keV.
    189.80 5  5/2-       
    254.54 5  7/2-       64.76 6 
    82.58 5 
   179.09 9 
   254.43 8 
   11.8 14 
    8.0 14 
   59 3 
  100 4 
    189.80
    172.00
     75.41
      0
5/2-
9/2+
7/2+
5/2+
    337 9/2-     
    442 11/2-     
    571 (13/2-)     
    704 (15/2-)       
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 3 - π3/2[411] band. α=11.7~keV.
    333.61 12  3/2+       
    392 5/2+     
    571 9/2+     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 4 - π1/2[420] band. α=10.7~keV, a=+1.0.
   1076 1/2+       
   1140 (3/2+)     
   1140 (5/2+)     
  ≈1310 (7/2+)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)Final Levels
Band 5 - π7/2[523] bandhead.
   1051.8 2  7/2-       

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
      05/2+ 18.1 m 1 
% β- = 100
μ=1.38 2
From an evaluation of data on nuclear rms charge radii, 2004An14 report <r2>1/2=5.149~fm~17.
E(level): From an evaluation of data on nuclear rms charge radii, 2004An14 report <r2>1/2=5.149~fm~17. π5/2[413] band, g.s. band. α=10.83~keV, β=-2.5 eV.
     75.417/2+   E(level): π5/2[413] band, g.s. band. α=10.83~keV, β=-2.5 eV.
    172.009/2+   E(level): π5/2[413] band, g.s. band. α=10.83~keV, β=-2.5 eV.
    189.805/2-   E(level): π5/2[532] band. α=9.25~keV.
    254.547/2-   E(level): π5/2[532] band. α=9.25~keV.
    29111/2+   E(level): π5/2[413] band, g.s. band. α=10.83~keV, β=-2.5 eV.
    333.613/2+   E(level): π3/2[411] band. α=11.7~keV.
    3379/2-   E(level): π5/2[532] band. α=9.25~keV.
    3925/2+   E(level): π3/2[411] band. α=11.7~keV.
    44211/2-   E(level): π5/2[532] band. α=9.25~keV.
    5719/2+   E(level): π3/2[411] band. α=11.7~keV.
    571(13/2-)   E(level): π5/2[532] band. α=9.25~keV.
    704(15/2-)   E(level): π5/2[532] band. α=9.25~keV.
   1051.87/2-   E(level): π7/2[523] bandhead.
   10761/2+   E(level): π1/2[420] band. α=10.7~keV, a=+1.0.
   1140(3/2+)   E(level): π1/2[420] band. α=10.7~keV, a=+1.0.
   1140(5/2+)   E(level): π1/2[420] band. α=10.7~keV, a=+1.0.
   1310(7/2+)   E(level): π1/2[420] band. α=10.7~keV, a=+1.0.

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