ADOPTED LEVELS, GAMMAS for 173Tm

Author: V. S. Shirley |  Citation: Nucl. Data Sheets 75,377 (1995) |  Cutoff date: 1-Oct-1993 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=1298 keV 5S(n)= 6951 keV 8S(p)= 7059 keV 6Q(α)= 118 keV 21
Reference: 2012WA38

References:
  A  173Er β- decay  B  176Yb(p,α)








E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0.0AB (1/2+) 8.24 h 8 
% β- = 100
     
     2.46 14 AB (3/2+)       2.46 20 S
  100

     0.0
(1/2+)
   118.60 14 AB (5/2+)     116.14 4 
  118.6 2 
  100 15 
   14 3 
(M1+E2)
[E2]
     2.46
     0.0
(3/2+)
(1/2+)
   124.86 15 AB (7/2+)     122.40 4 
  100
(E2)
     2.46
(3/2+)
   317.73 20 AB (7/2-) 10 µs 3    192.8 2 
  199.2 2 
  315.2
   97 10 
  100
 
(E1)
(E1)

   124.86
   118.60
     2.46
(7/2+)
(5/2+)
(3/2+)
   339.8 25  B        
   411.9 3 AB (9/2-)      94.2 2 
  100
(M1)
   317.73
(7/2-)
   526.0 18  B (11/2-)        
   609.5 17  B (1/2-)        
   669.5 17  B (13/2-)        
   749.8 18  B        
   817.9 18  B        
   856.1 18  B        
   983.0 18  B        
  1137.0 22  B        
  1186.9 31  B        
  1212.9 4 AB (9/2-)     800.8 6 
  895.2 4 
   18 6 
  100 7 


   411.9
   317.73
(9/2-)
(7/2-)
  1243.5 27  B        
  1335.6 18  B        
  1361.5 29  B        
  1414.1 18  B        
  1439.4 29  B        
  1514.4 25  B        
  1588.2 18  B        
  1672.2 18  B        
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
  1703.3 26  B        
  1901.2 18  B        
  2005.9 25  B        
  2038.5 25  B        
  2069.0 23  B        
  2095.8 23  B        
  2126.7 23  B        
  2150.6 25  B        
  2192.0 28  B        

E(level): From 173Er β- decay, unless seen only in 176Yb(p,α).

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 - 1/2(411) band; α=12.0, B=3.7, a=-0.93
     0.0 (1/2+) 8.24 h 8 
% β- = 100
     
     2.46 14  (3/2+)       2.46 20 S
  100

     0.0
(1/2+)
   118.60 14  (5/2+)     116.14 4 
  118.6 2 
  100 15 
   14 3 
(M1+E2)
[E2]
     2.46
     0.0
(3/2+)
(1/2+)
   124.86 15  (7/2+)     122.40 4 
  100
(E2)
     2.46
(3/2+)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - 7/2(523) band; α=10.5, B=-4.5
   317.73 20  (7/2-) 10 µs 3       
   411.9 3  (9/2-)      94.2 2 
  100
(M1)
   317.73
(7/2-)
   526.0 18  (11/2-)     
   669.5 17  (13/2-)     

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Additional Gamma Data:















E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityMixing
Ratio		Conversion
Coefficient		Additional Data
   118.60 (5/2+)     116.14 4 (M1+E2)0.5 +11-52.01α=2.01 15
(5/2+)     118.6 2 [E2] 1.64α=1.64
   124.86 (7/2+)     122.40 4 (E2) 1.46α=1.46
   317.73 (7/2-) 10 µs 3    192.8 2 (E1) 0.0594B(E1)(W.u.)=1.4E-9 5, α=0.0594
(7/2-) 10 µs 3    199.2 2 (E1) 0.0545B(E1)(W.u.)=1.3E-9 4, α=0.0545
   411.9 (9/2-)      94.2 2 (M1) 3.78α=3.78

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.0(1/2+) 8.24 h 8 
% β- = 100
E(level): 1/2(411) band; α=12.0, B=3.7, a=-0.93.
     2.46(3/2+)   E(level): 1/2(411) band; α=12.0, B=3.7, a=-0.93.
   118.60(5/2+)   E(level): 1/2(411) band; α=12.0, B=3.7, a=-0.93.
   124.86(7/2+)   E(level): 1/2(411) band; α=12.0, B=3.7, a=-0.93.
   317.73(7/2-) 10 µs 3  E(level): 7/2(523) band; α=10.5, B=-4.5.
   339.8   See comment with 319.0 level in 176Yb(p,α) for possible interpretation of this state as the unresolved 9/2+ and 11/2+ members of the g.s. band (expected at 333.8 and 343.5 keV, respectively).
E(level): See comment with 319.0 level in 176Yb(p,α) for possible interpretation of this state as the unresolved 9/2+ and 11/2+ members of the g.s. band (expected at 333.8 and 343.5 keV, respectively).
   411.9(9/2-)   E(level): 7/2(523) band; α=10.5, B=-4.5.
   526.0(11/2-)   E(level): 7/2(523) band; α=10.5, B=-4.5.
   669.5(13/2-)   E(level): 7/2(523) band; α=10.5, B=-4.5.

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Additional Gamma Comments:

E(level)E(gamma)Comments
   317.73   315.2I(γ): not reported, but expected to be weak.

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