ADOPTED LEVELS, GAMMAS for 162Tb

Author: Balraj Singh |  Citation: ENSDF |  Cutoff date: 28-FEB-2016 

Author: C. W. Reich |  Citation: Nucl. Data Sheets 108,1807 (2007) |  Cutoff date: 1-Mar-2007 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=2510 keV 40S(n)= 6290 keV 40S(p)= 7460 keV 40Q(α)= -840 keV 40
Reference: 2012WA38

References:
  A  162Gd β- decay (8.4 M)  B  163Dy(t,α)








E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0.0AB 1- 7.60 m 15 
% β- = 100
     
    39.10 9 AB 2-      39.0 2 
  100
M1(+E2)
     0.0
1-
    97 1  B 3-        
   176 1  B 4-        
   216 1  B 4-        
   268 2  B 5-        
   310 1  B 5-        
   341.41 9 AB (0-,1)     302.30 15 
  341.42 10 
   58 9 
  100 9 


    39.10
     0.0
2-
1-
   389 1  B        
   434 1  B (5)-        
   442.11 8 AB 1+     403.00 8 
  442.12 8 
   85 4 
  100
[E1]
[E1]
    39.10
     0.0
2-
1-
   475 1  B        
   521 1  B        
   550 1  B (6)-        
   570 2  B (6)+        
   616 1  B        
   657 1  B (7)+        
   727 1  B +        
   777 1  B (8)+        
   829 2  B +        
   894 1  B +        
   925 1  B +        
   967 2  B +        
   995 2  B +        
  1033 2  B +        
  1069 2  B        
  1108 2  B +        
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  1128 2  B        
  1167 2  B        
  1186 2  B        
  1222 2  B        
  1264 2  B        
  1292 2  B        
  1337 2  B        
  1358 2  B        
  1387 2  B        
  1424 2  B        
  1444 2  B        
  1479 2  B        
  1515 2  B        

Jπ(level): For levels populated in (t,α), the assignments are from σ(θ) distributions, DWBA and Nilsson-model calculations which give predicted cross sections for members in a band: "fingerprint " method.

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - Kπ=4-,ν5/2[523]+π3/2[411]
   216 1  4-        
   310 1  5-     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - Kπ=1-,ν5/2[523]-π3/2[411]
     0.0 1- 7.60 m 15 
% β- = 100
     
    39.10 9  2-      39.0 2 
  100
M1(+E2)
     0.0
1-
    97 1  3-        
   176 1  4-        
   268 2  5-        
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - Kπ=5-.
   434 1  (5)-        
   550 1  (6)-     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - Kπ=(6+).
   570 2  (6)+        
   657 1  (7)+     
   777 1  (8)+        
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 5 - π7/2[523]-ν5/2[523],Kπ=1+.
   442.11 8  1+        

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Additional Gamma Data:













E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityConversion
Coefficient
Additional Data
    39.10 2-      39.0 2 M1(+E2)8α=8 2
   442.11 1+     403.00 8 [E1]0.00808α=0.00808
1+     442.12 8 [E1]0.00651α=0.00651

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.01- 7.60 m 15 
% β- = 100
E(level): Kπ=1-,ν5/2[523]-π3/2[411].
Jπ(level): L(t,α)=2 from 5/2- target.
    39.102-   E(level): Kπ=1-,ν5/2[523]-π3/2[411].
Jπ(level): L(t,α)=2 from 5/2- target.
    973-   E(level): Kπ=1-,ν5/2[523]-π3/2[411].
Jπ(level): L(t,α)=2 from 5/2- target.
   1764-   E(level): Kπ=1-,ν5/2[523]-π3/2[411].
Jπ(level): L(t,α)=2 from 5/2- target.
   2164-   E(level): Kπ=4-,ν5/2[523]+π3/2[411].
Jπ(level): L(t,α)=2 from 5/2- target.
   2685-   E(level): Kπ=1-,ν5/2[523]-π3/2[411].
Jπ(level): L(t,α)=2 from 5/2- target.
   3105-   E(level): Kπ=4-,ν5/2[523]+π3/2[411].
Jπ(level): L(t,α)=2 from 5/2- target.
   341.41(0-,1)   XREF: B(338).
   434(5)-   E(level): Kπ=5-.
   442.111+   E(level): π7/2[523]-ν5/2[523],Kπ=1+.
   550(6)-   E(level): Kπ=5-. The shape of the angular distribution for 550+570 group is consistent with L=4+5, J=6, Kπ=5- and 6+, but the total measured cross section is larger than the predicted value. Probably there are additional levels in this energy region.
Jπ(level): The shape of the angular distribution for 550+570 group is consistent with L=4+5, J=6, Kπ=5- and 6+, but the total measured cross section is larger than the predicted value. Probably there are additional levels in this energy region.
   570(6)+   E(level): Kπ=(6+). The shape of the angular distribution for 550+570 group is consistent with L=4+5, J=6, Kπ=5- and 6+, but the total measured cross section is larger than the predicted value. Probably there are additional levels in this energy region.
Jπ(level): The shape of the angular distribution for 550+570 group is consistent with L=4+5, J=6, Kπ=5- and 6+, but the total measured cross section is larger than the predicted value. Probably there are additional levels in this energy region.
   657(7)+   E(level): Kπ=(6+).
   727+   Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8.
   777(8)+   E(level): Kπ=(6+).
   829+   E(level): Multiplet structure.
Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8.
   894+   E(level): Combined L(t,α)=5 for 894 and 925 levels.
Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8.
   925+   E(level): Combined L(t,α)=5 for 894 and 925 levels.
Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8.
   967+   Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8.
   995+   Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8.
  1033+   Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8.
  1108+   Jπ(level): L(t,α)=5 from 5/2- target gives positive parity and J=2 to 8.
  1264   E(level): Multiplet structure.

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Additional Gamma Comments:

E(level)E(gamma)Comments
    39.10    39.0M(γ): from intensity balance at 39 level in 162Gd β- decay, transition is primarily M1 (1970Ch02); x/γ intensity ratio and L x-ray energy are consistent with this.

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