ADOPTED LEVELS, GAMMAS for 142Tb

Authors: T.D. Johnson, D. Symochko, M. Fadil, and J.K. Tuli |  Citation: Nucl. Data Sheets 112, 1949 (2011) |  Cutoff date: 1-Jun-2010 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-6.44×103 keV SYS(n)= 1.01×104 keV 7S(p)= 6.E2 keV 7Q(α)= 2.8×103 keV 7
Reference: 2012WA38

References:
  A  142Tb IT decay (25 μs)  B  142Tb IT decay (303 MS)
  C  142Dy ε decay (2.3 S)  D  92Mo(54Fe,N3PG)








E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0.0ABC  1+ 597 ms 17 
% ε = 100
% β+p = 2.2×10-3 11
     
   181.6 6 ABC  (2+)      181.8
  100
M1+E2
     0.0
1+
   211.5 3 AB   (3+)       29.9 9 
   211.5 3 
 
 
M1+E2
E2
   181.6
     0.0
(2+)
1+
   279.7 4 AB D 5- 303 ms 17 
% IT = 100
    68.2 3 
    98.3 9 
  100 8 
   <6
M2
E3
   211.5
   181.6
(3+)
(2+)
   311.9 5 A  D (5-)       32.1 2 
  100.0

   279.7
5-
   395.6 5 A  D 6-       83.7 3 
   115.8 3 
  100
  100


   311.9
   279.7
(5-)
5-
   477.2 5 A  D 6-       81.5 3 
   165.4 3 
   197.6 3 
    9 3 
  100 9 
   15 3 
M1
M1+E2
M1+E2
   395.6
   311.9
   279.7
6-
(5-)
5-
   614.9 5 A  D 7-      137.7 3 
   219.4 3 
   302.9 3 
   335.1 6 
   38 3 
   13 1 
  100 8 
    1 1 
M1+E2
M1+E2
M1+E2
E2
   477.2
   395.6
   311.9
   279.7
6-
6-
(5-)
5-
   652.1 6 A  D 8+ 26 µs 1      37.2 3 
   340.1 6 
  100.0
    1.3 13 
E1
M2
   614.9
   311.9
7-
(5-)
   709.9 6    D      232.7 3 
  100.0

   477.2
6-
   843.5 6    D      133.6 2 
  100.0

   709.9

   851.9 6    D      141.9 2 
  100.0

   709.9

  1019.4 6    D 9+      367.3 1 
  100.0

   652.1
8+
  1117.3 6    D (9-)      502.4 3 
  100.0

   614.9
7-
  1209.3 6    D 10+      189.2 5 ?
   557.3 1 
    5.0 20 
  100 6 


  1019.4
   652.1
9+
8+
  1245.5 6    D      393.5 3 
   402.2 3 
   90 24 
    1.0E2 3 


   851.9
   843.5


  1558.2 6    D      538.6 2 
  100.0

  1019.4
9+
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
  1647.8 6    D (11+)      438.4 1 
   629.0 5 
  100 4 
   13 4 


  1209.3
  1019.4
10+
9+
  1790.1 7    D (11-)      672.8 3 
  100.0

  1117.3
(9-)
  1831.7 7    D      586.2 3 
  100.0

  1245.5

  1969.3 6    D 12+      321.1 2 
   760.1 1 
   20 8 
  100 4 


  1647.8
  1209.3
(11+)
10+
  2245.8 6    D      598.4 3 
   687.2 3 
  100 17 
   89 23 


  1647.8
  1558.2
(11+)

  2436.8 6    D (13+)      468.1 3 
   788.7 2 
  100 8 
  100 16 


  1969.3
  1647.8
12+
(11+)
  2538.5 7    D      706.8 2 
  100.0

  1831.7

  2567.0 7    D (13-)      776.9 3 
  100.0

  1790.1
(11-)
  2846.9 6    D (14+)      410.4 2 ?
   877.6 2 
   23 9 
  100 9 


  2436.8
  1969.3
(13+)
12+
  2967.8 7    D      722.0 4 
  100.0

  2245.8

  3285.1 8    D      746.6 3 
  100.0

  2538.5

  3339.4 8    D (15-)      772.4 3 
  100.0

  2567.0
(13-)
  3699.5 7    D (16+)      852.6 3 
  100.0

  2846.9
(14+)
  4017.0 9    D      731.9 3 
  100.0

  3285.1

  4530.4 6    D (18+)      830.2 3 ?
  100.0

  3699.5
(16+)
  4805.5 9    D      788.5 3 
  100.0

  4017.0

  5725.9 9    D      920.4 2 
  100.0

  4805.5

  6786.3 10    D     1060.4 3 
  100.0

  5725.9

  7987.5 10    D        

E(level): From least-squares fit to Eγ. Assumed uncertainty as 1 keV when not known

Jπ(level): From 1991Fi03, based on systematics of odd-odd Tb nuclides, π=- isomer is expected. They assign 5- to the isomer and 3+, 2+ to 221 and 181 levels which are fed by M2, [E3] transitions by the isomer.

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - Band based on 8+,α=0.
   652.1 6  8+ 26 µs 1       
  1209.3 6  10+      189.2 5 ?
   557.3 1 
    5.0 20 
  100 6 


  1019.4
   652.1
9+
8+
  1969.3 6  12+      321.1 2 
   760.1 1 
   20 8 
  100 4 


  1647.8
  1209.3
(11+)
10+
  2846.9 6  (14+)      410.4 2 ?
   877.6 2 
   23 9 
  100 9 


  2436.8
  1969.3
(13+)
12+
  3699.5 7  (16+)      852.6 3 
  100.0

  2846.9
(14+)
  4530.4 6  (18+)      830.2 3 ?
  100.0

  3699.5
(16+)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - Band based on 9+,α=1.
  1019.4 6  9+        
  1647.8 6  (11+)      438.4 1 
   629.0 5 
  100 4 
   13 4 


  1209.3
  1019.4
10+
9+
  2436.8 6  (13+)      468.1 3 
   788.7 2 
  100 8 
  100 16 


  1969.3
  1647.8
12+
(11+)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - Band based on 1559 level
  1558.2 6         
  2245.8 6       598.4 3 
   687.2 3 
  100 17 
   89 23 


  1647.8
  1558.2
(11+)

  2967.8 7       722.0 4 
  100.0

  2245.8

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - Band based on 7-.
   614.9 5  7-        
  1117.3 6  (9-)      502.4 3 
  100.0

   614.9
7-
  1790.1 7  (11-)      672.8 3 
  100.0

  1117.3
(9-)
  2567.0 7  (13-)      776.9 3 
  100.0

  1790.1
(11-)
  3339.4 8  (15-)      772.4 3 
  100.0

  2567.0
(13-)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 5 - Band based on 844 level.
   843.5 6         
  1245.5 6       393.5 3 
   402.2 3 
   90 24 
    1.0E2 3 


   851.9
   843.5


  1831.7 7       586.2 3 
  100.0

  1245.5

  2538.5 7       706.8 2 
  100.0

  1831.7

  3285.1 8       746.6 3 
  100.0

  2538.5

  4017.0 9       731.9 3 
  100.0

  3285.1

  4805.5 9       788.5 3 
  100.0

  4017.0

  5725.9 9       920.4 2 
  100.0

  4805.5

  6786.3 10      1060.4 3 
  100.0

  5725.9

  7987.5 10      

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Additional Gamma Data:













E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityConversion
Coefficient		Additional Data
   181.6 (2+)      181.8M1+E20.36α=0.36 5, α(K)=0.28 7, α(L)=0.066 17, α(M)=0.015 5, α(N)=0.0034 10, α(O)=0.00049 10, α(P)=1.9×10-5 7, α(N+)=0.0039 11
   211.5 (3+)       29.9 9 M1+E22.5×102α=2.5×102 25, α(L)=1.9E2 19, α(M)=5.E1 5, α(N)=10 10, α(O)=1.3 13, α(P)=0.0028 20, α(N+)=12 12
(3+)      211.5 3 E20.190α=0.190, α(K)=0.1326 20, α(L)=0.0447 7, α(M)=0.01037 16, α(N)=0.00234 4, α(O)=0.000319 5, α(P)=7.68×10-6 12, α(N+)=0.00267 4
   279.7 5- 303 ms 17 
% IT = 100
    68.2 3 M290.9α=90.9 21, α(K)=64.0 14, α(L)=20.7 5, α(M)=4.89 12, α(N)=1.14 3, α(O)=0.168 4, α(P)=0.00915 22, α(N+)=1.32 4
5- 303 ms 17 
% IT = 100
    98.3 9 E348α=48 3, α(K)=4.27 11, α(L)=33.5 19, α(M)=8.4 5, α(N)=1.89 11, α(O)=0.239 14, α(P)=0.000325 12, α(N+)=2.13 12
   477.2 6-       81.5 3 M13.96α=3.96 7, α(K)=3.33 6, α(L)=0.488 9, α(M)=0.1066 19, α(N)=0.0246 5, α(O)=0.00379 7, α(P)=0.000249 5, α(N+)=0.0287 5
6-      165.4 3 M1+E20.48α=0.48 5, α(K)=0.36 9, α(L)=0.09 3, α(M)=0.021 8, α(N)=0.0049 17, α(O)=0.00068 19, α(P)=2.4×10-5 9, α(N+)=0.0056 18
6-      197.6 3 M1+E20.28α=0.28 5, α(K)=0.22 6, α(L)=0.049 10, α(M)=0.011 3, α(N)=0.0025 6, α(O)=0.00036 6, α(P)=1.5×10-5 6, α(N+)=0.0029 6
   614.9 7-      137.7 3 M1+E20.85α=0.85 4, α(K)=0.61 14, α(L)=0.19 8, α(M)=0.044 20, α(N)=0.010 5, α(O)=0.0014 6, α(P)=4.0×10-5 16, α(N+)=0.011 5
7-      219.4 3 M1+E20.21α=0.21 4, α(K)=0.16 5, α(L)=0.034 5, α(M)=0.0077 13, α(N)=0.0018 3, α(O)=0.000252 24, α(P)=1.1×10-5 5, α(N+)=0.0020 3
7-      302.9 3 M1+E20.081α=0.081 21, α(K)=0.066 20, α(L)=0.0118 5, α(M)=0.00263 6, α(N)=0.000603 16, α(O)=8.9×10-5 7, α(P)=4.6E-6 18, α(N+)=0.000696 24
7-      335.1 6 E20.0446α=0.0446, α(K)=0.0344 6, α(L)=0.00793 13, α(M)=0.00180 3, α(N)=0.000410 7, α(O)=5.81×10-5 9, α(P)=2.19E-6 4, α(N+)=0.000470 8
   652.1 8+ 26 µs 1      37.2 3 E10.786α=0.786 21, α(L)=0.616 17, α(M)=0.135 4, α(N)=0.0302 8, α(O)=0.00402 11, α(P)=0.000153 4, α(N+)=0.0343 10
8+ 26 µs 1     340.1 6 M20.290α=0.290, α(K)=0.237 4, α(L)=0.0416 7, α(M)=0.00931 15, α(N)=0.00216 4, α(O)=0.000329 5, α(P)=2.06×10-5 4, α(N+)=0.00251 4

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.01+ 597 ms 17 
% ε = 100
% β+p = 2.2×10-3 11
Configuration=πd5/2~#νd3/2 (2006Ta08).
   279.75- 303 ms 17 
% IT = 100
Configuration=[πh11/2~#νs1/2]+[πh11/2~#νd3/2] (2006Ta08).
   614.97-   E(level): Band based on 7-.
   652.18+ 26 µs 1  Configuration=πh11/2~#νh11/2 (2009Ma06).
E(level): Band based on 8+,α=0.
   843.5   E(level): Band based on 844 level.
  1019.49+   E(level): Band based on 9+,α=1.
  1117.3(9-)   E(level): Band based on 7-.
  1209.310+   E(level): Band based on 8+,α=0.
  1245.5   E(level): Band based on 844 level.
  1558.2   E(level): Band based on 1559 level.
  1647.8(11+)   E(level): Band based on 9+,α=1.
  1790.1(11-)   E(level): Band based on 7-.
  1831.7   E(level): Band based on 844 level.
  1969.312+   E(level): Band based on 8+,α=0.
  2245.8   E(level): Band based on 1559 level.
  2436.8(13+)   E(level): Band based on 9+,α=1.
  2538.5   E(level): Band based on 844 level.
  2567.0(13-)   E(level): Band based on 7-.
  2846.9(14+)   E(level): Band based on 8+,α=0.
  2967.8   E(level): Band based on 1559 level.
  3285.1   E(level): Band based on 844 level.
  3339.4(15-)   E(level): Band based on 7-.
  3699.5(16+)   E(level): Band based on 8+,α=0.
  4017.0   E(level): Band based on 844 level.
  4530.4(18+)   E(level): Band based on 8+,α=0.
E(level)Jπ(level)T1/2(level)Comments
  4805.5   E(level): Band based on 844 level.
  5725.9   E(level): Band based on 844 level.
  6786.3   E(level): Band based on 844 level.
  7987.5   E(level): Band based on 844 level.

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Additional Gamma Comments:

E(level)E(gamma)Comments
   181.6   181.8M(γ): d,E2 from K| x ray data (1991Fi03)
   211.5   211.5M(γ): d,E2 from K| x ray data (1991Fi03)

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