ADOPTED LEVELS, GAMMAS for 162Tb

Author: N. Nica |  Citation: Nucl. Data Sheets 195, 1 (2024) |  Cutoff date: 19-Sep-2023 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=2301.6 keV 22S(n)= 6489.1 keV 24S(p)= 7662.4 keV 25Q(α)= -1034.0 keV 29
Reference: 2021WA16

References:
  A  162Gd β- decay (8.4 M)  B  252Cf SF decay
  C  163Dy(t,α) 








E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0.0ABC 1- 7.74 m 9 
% β- = 100
     
    39.10 9 A C 2-      39.0 2 
  100
M1+E2
     0.0
1-
    97 1   C 3-        
   176 1   C 4-        
   216 1   C 4-        
   268 2   C 5-        
   285.5 32  B  (4-)        
   310 1   C 5-        
   341.41 9 A C (0-,1)     302.30 15 
  341.42 10 
   58 9 
  100 9 


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

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- 7.74 m 9 
% 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)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
    39.10 2-      39.0 2 M1+E20.14 +5-77.9α=7.9 18, α(L)=6.1 15, α(M)=1.4 4, α(N)=0.31 8, α(O)=0.045 10, α(P)=0.00211 5
   442.11 1+     403.00 8 [E1] 0.00808α=0.00808 11, α(K)=0.00687 10, α(L)=0.000946 13, α(M)=0.0002052 29, α(N)=4.72×10-5 7, α(O)=7.15E-6 10, α(P)=4.44E-7 6
1+     442.12 8 [E1] 0.00651α=0.00651 9, α(K)=0.00554 8, α(L)=0.000759 11, α(M)=0.0001645 23, α(N)=3.78×10-5 5, α(O)=5.75E-6 8, α(P)=3.60E-7 5

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.01- 7.74 m 9 
% 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: C(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

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