ADOPTED LEVELS, GAMMAS for 167Ho

Author: Coral M. Baglin |  Citation: Nucl. Data Sheets 90, 431 (2000) |  Cutoff date: 5-Jul-2000 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=1010 keV 6S(n)= 7282 keV 6S(p)= 6987 keV 6Q(α)= -111 keV 7
Reference: 2012WA38

References:
  A  167Dy β- decay  B  168Er(pol t,α)
  C  170Er(p,α) 

General Comments:

Gammas: All γ-ray properties are from 167Dy β- decay.

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










E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0.0ABC 7/2- 3.1 h 1 
% β- = 100
     
    98 4  BC 9/2-        
   220 4  BC 11/2-        
   259.34 11 ABC 3/2+ 6.0 µs 10     259.33 13 
   100
M2
     0.0
7/2-
   319.75 12 ABC 5/2+       60.44 8 
   100
M1(+E2)
   259.34
3/2+
   392.48 12 A   (1/2+)       72.67 10 ?
   133.19 7 
    ≈4.6
   100 8 


   319.75
   259.34
5/2+
3/2+
   403 5   C        
   409.97 12 AB  3/2+       90.26 8 
   150.58 8 
    64 9 
   100 14 


   319.75
   259.34
5/2+
3/2+
   508 4  BC (9/2+)        
   540 4  BC (7/2+)        
   569.69 12 A   (3/2-)      159.71 8 
   250.03 13 
   310.26 12 
   569.7 2 
    ≈1
    19.9 11 
    52 3 
   100




   409.97
   319.75
   259.34
     0.0
3/2+
5/2+
3/2+
7/2-
   702 4  B         
   804 4  B         
   922.0 2 ?A        352.2 2 
   662.9 3 ?
   100 10 
    33 4 


   569.69
   259.34
(3/2-)
3/2+
   974 4  B  (7/2+)        
  1006 4  B  (9/2-)        
  1092 4  B  (7/2+)        
  1099.5 2 A        689.4 3 ?
   707.1 2 
   ≈25
   100 20 


   409.97
   392.48
3/2+
(1/2+)
  1149.0 3 A        579.4 3 
   738.8 4 
    39 7 
   100 25 


   569.69
   409.97
(3/2-)
3/2+
  1165 4  B  7/2+        
  1168.8 2 ?A        599.2 2 
   909.1 5 ?
   100 12 
   ≈47


   569.69
   259.34
(3/2-)
3/2+
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
  1240.6 3 A        830.8 5 
   848.3 10 
   920.5 5 ?
   981.4 8 
   ≈70
  ≈100
   ≈50
   ≈50




   409.97
   392.48
   319.75
   259.34
3/2+
(1/2+)
5/2+
3/2+
  1275 4  B  (9/2+)        
  1403 4  B  (5/2+)        
  1464 4  B  7/2-        
  1664.9 3 A       1094.6 6 
  1272.9 6 
  1405.6 5 
    77 31 
   100 12 
    74 11 



   569.69
   392.48
   259.34
(3/2-)
(1/2+)
3/2+
  1666 4  B  11/2-        
  1707 4  B         
  1775 4  B         
  1858 4  B  1/2+        
  1919.0 3 ?A   (1/2-,3/2-)      997.0 2 
   100

   922.0

  1938 4  B  5/2+        

E(level): From 167Dy β- decay, except where noted or where cross references clearly indicate other source.

Jπ(level): From Nilsson-model interpretation (including pairing and Coriolis-coupling effects) of angular-distribution and analyzing-power data in 168Er(pol t,α) (1979Lo02), except where noted.

I(γ): Relative photon branching from each level.

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - 7/2[523] band.
     0.0 7/2- 3.1 h 1 
% β- = 100
     
    98 4  9/2-        
   220 4  11/2-        
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - 3/2[411] band.
   259.34 11  3/2+ 6.0 µs 10       
   319.75 12  5/2+        
   508 4  (9/2+)        
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - 1/2[411] band.
   392.48 12  (1/2+)        
   409.97 12  3/2+        
   540 4  (7/2+)        
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - 5/2[413] band.
  1165 4  7/2+        
  1275 4  (9/2+)        
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 5 - 5/2[532] band.
  1464 4  7/2-        
  1666 4  11/2-        
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 6 - 1/2[420] band.
  1858 4  1/2+        
  1938 4  5/2+        

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Additional Gamma Data:















E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityMixing
Ratio		Conversion
Coefficient		Additional Data
   259.34 3/2+ 6.0 µs 10     259.33 13 M2 0.843B(M2)(W.u.)=0.079 14, α=0.843
   319.75 5/2+       60.44 8 M1(+E2)1 LE13.9α=13.9 24

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.07/2- 3.1 h 1 
% β- = 100
E(level): 7/2[523] band.
    989/2-   E(level): 7/2[523] band. Weighted average of values from 170Er(p,α) and 168Er(pol t,α).
   22011/2-   E(level): 7/2[523] band. Weighted average of values from 170Er(p,α) and 168Er(pol t,α).
   259.343/2+ 6.0 µs 10  E(level): 3/2[411] band.
   319.755/2+   E(level): 3/2[411] band.
   392.48(1/2+)   E(level): 1/2[411] band.
   409.973/2+   E(level): 1/2[411] band.
   508(9/2+)   E(level): 3/2[411] band. Weighted average of values from 170Er(p,α) and 168Er(pol t,α).
   540(7/2+)   E(level): 1/2[411] band. Weighted average of values from 170Er(p,α) and 168Er(pol t,α).
   974(7/2+)   E(level): 7/2[404] band member.
  1006(9/2-)   E(level): 1/2[541] band member (tentative).
  11657/2+   E(level): 5/2[413] band.
  1275(9/2+)   E(level): 5/2[413] band.
  1403(5/2+)   E(level): 5/2[402] band member (tentative).
  14647/2-   E(level): 5/2[532] band.
  166611/2-   E(level): 5/2[532] band.
  18581/2+   E(level): 1/2[420] band.
  19385/2+   See comment in 168Er(pol t,α) concerning width of level.
E(level): See comment in 168Er(pol t,α) concerning width of level. 1/2[420] band.

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