ADOPTED LEVELS, GAMMAS for 250Cf

Author: Y. Akovali |  Citation: Nucl. Data Sheets 94,131 (2001) |  Cutoff date: 1-Aug-2001 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-2.06×103 keV SYS(n)= 6625.3 keV 17S(p)= 5967.6 keV 22Q(α)= 6128.44 keV 19
Reference: 2012WA38

References:
  A  254Fm α decay  B  250Bk β- decay
  C  250Es ε decay (2.22 H)  D  250Es ε decay (8.6 H)
  E  250Cf(d,d’)  F  249Cf(d,p)
  G  249Bk(α,t) 

General Comments:

Theoretical studies:

1998Co23 calculated level energies of K=2+ γ-band, K=0-, K=1- and K=2- octupole-vibrational band; and B(E3; 0+ to 3-) strengths. The interacting boson approximation was utilized. See also 1990Co26 for analysis of level structure and octupole state fragmentation dependence on β(2) deformation.

See 1992So22 for the calculated B(E3) octupole strengths and energies of K,Jπ=0,3- and 1,3- states.

Energies, B(EL) values and structures were calculated by 1991So15 for low-energy nonrotational states in the framework of a quasiparticle-phonon model. See also earlier calculations in 1976Iv04 and 1973Iv01, 1971Ko31, 1970Ne08, 1969Pa08, 1965So04.

Ground-state deformations were calculated by 1995Mo29 based on the finite-range droplet macroscopic model and the folded YUKAWA single-particle microscopic model. Their calculations yielded β(2)=0.245, β(4)=0.026, β(6)=-0.038.

The equilibrium deformations and the static electric moment were calculated by 1983Bo15 with use of dynamic model.

The quadrupole moment for various proton and neutron states were calculated by 1992Bh04 by using WOODS-SAXON and Nilsson models. The fermion dynamical symmetry and pseudo su(3) models were used also to calculate the B(E2; 0+ to 2+) values, and comparisons were made.

The static electric quadrupole and hexadecapole moments were calculated by 1978Ne13 by using Strunsky shell-correction method.

Properties of the γ-vibrational state was studied and B(E2) value was calculated by 1965Be40.

Systematics of E(first 2+ levels) and B(E2; 0+ to 2+) were studied by 1993Sa05 as a function of n(n)n(p), products of valence proton and neutron numbers.

From a correlation plot of known B(E2; 2+ to 0+)’s with n(n)n(p), the products of valence proton and neutron numbers, 1995Za10 deduced a range for the hexadecapole deformation for 250Cf as β(4)≈-0.05 to -0.10.

The average neutron and proton pairing gaps were calculated by 1988Ma04.

The energies of the ground-state band were calculated by 1988Ri07 by using the interacting boson model, and by 1978To13 by using the collective HAMILTONIAN with β-vibration plus rotation.

For calculation of partial α half-life, see, for example, 1997Mo25, 1979Po23, 1976Ra02.

Potential energy surface and shape of the fissioning nucleus were calculated by 1996Py02. Analysis were made by considering heavy-ion clustering. See 1976Iw02, 1971Sc03 also for calculations of potential energy surface for fission.

For calculations and systematics of T1/2(SF), see, 1992Bh03, 1989St20, 1988Io03, 1978Po09.

For calculated fission barriers, see 1992Bh03, 1987Gu03, 1984Ku05, 1980Ku14, 1977Pr10, 1973Ba19, 1972Ma11.

Average total kinetic energy of fission fragments was calculated by 1995Ef04.

Yield for 40S in spontaneous fission relative to yield for α decay was calculated by 1993Gr15.

Partial half-life for decay by pion emission was calculated by 1988Io02.

Emission probabilities for decay by heavy-ion were calculated by 1980Sa36.

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
      0.0ABCDE G 0+ 13.08 y 9 
% α = 99.923 3
% SF = 0.077 3
     
     42.721 5 ABCDE G 2+ 96 ps 10       42.721 5 
 
E2
      0.0
0+
    141.875 10 ABCDE G 4+        99.160 10 
 
E2
     42.721
2+
    296.22 6 A  DE G 6+       154.35 6 
 
E2
    141.875
4+
   ≈500      G 8+        
    871.57 3  BCD  G 2-       828.81 3 
 
E1
     42.721
2+
    905.89 2  B DE G 3-        34.325 5 
    764.2 1 
    863.2 1 
    1.3 2 
   78 4 
  100 6 
M1+E2
E1
E1
    871.57
    141.875
     42.721
2-
4+
2+
    951.98 2  B D  G 4-        46.093 5 
     80.412 10 
    810.2 1 
    2.1 3 
    3.2 4 
  100 6 
M1+E2
E2
E1
    905.89
    871.57
    141.875
3-
2-
4+
   1008.51 2    DE G 5-        56.527 13 
    102.623 10 
    712.3 1 
    866.7 1 
    6.7 8 
   15.7 23 
  100 7 
   97 8 
M1+E2
E2
[E1]
[E1]
    951.98
    905.89
    296.22
    141.875
4-
3-
6+
4+
   1031.852 21  BC E   2+ 0.94 ps 10      126.01 3 
    160.26 4 
    889.956 22 
    989.125 21 
   1031.852 21 
    0.0140 12 
    0.063 4 
    3.40 5 
  100
   79.1 12 
[E1]
[E1]
[E2]
E2
E2
    905.89
    871.57
    141.875
     42.721
      0.0
3-
2-
4+
2+
0+
  ≈1070      G (6-)        
   1071.37 2  BCD    3+       119.4 3 
    165.44 15 
    199.72 20 
    929.468 22 
   1028.654 25 
    0.014 5 
    0.028 4 
    0.022 3 
   25.1 4 
  100 3 
[E1]
[E1]
[E1]
[E2]
(E2)
    951.98
    905.89
    871.57
    141.875
     42.721
4-
3-
2-
4+
2+
   1123 1     E   (4+)        
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   1154.24 10  BC     0+      1111.50 10 
   1154.3 2 
  100
 
[E2]
E0
     42.721
      0.0
2+
0+
   1175.52 3  BC E   1-       303.95 20 
   1132.80 3 
   1175.5 2 
   11.9 14 
  100 6 
  200 20 
[M1,E2]
[E1]
E1
    871.57
     42.721
      0.0
2-
2+
0+
   1189.39 3  BC     2+      1047.51 6 
   1146.67 3 
   18.0 13 
  100 5 
[E2]
E0+E2
    141.875
     42.721
4+
2+
   1209.97 4  BC  F  (2)-      1167.25 4 
 
E1
     42.721
2+
   1211 1  B  E G (3-)      1068.27 17 ?
   1167.25 4 ?
 
 


    141.875
     42.721
4+
2+
  ≈1218.2? B          ≈1175.5?
 

     42.721
2+
   1244.50 8  BC     2+      1103.0 3 
   1201.79 4 
   1244.42 8 
    7.2 24 
  100 6 
   25 3 
[E2]
[M1,E2]
[E2]
    141.875
     42.721
      0.0
4+
2+
0+
   1247 2     E   (3-)        
   1255.39 4    D FG 4-       184.2 2 
    246.92 6 
    303.41 3 
    349.4 1 
    383.7 1 
    2.1 4 
   17.0 9 
  100 5 
   91 5 
   63 4 
[E1]
M1+E2
M1+E2
E2+M1
E2
   1071.37
   1008.51
    951.98
    905.89
    871.57
3+
5-
4-
3-
2-
   1266.6 2  BC     0+      1223.8 2 
   1266.6 2 
 
 
[E2]
E0
     42.721
      0.0
2+
0+
   1272 2     E          
   1296.60 4  BC E   2+      1154.77 3 
   1253.82 7 
   1296.54 13 
  100 5 
   23.3 19 
    9.4 13 
[E2]
E0+E2
[E2]
    141.875
     42.721
      0.0
4+
2+
0+
   1311.00 4    D F  5-        55.602 5 
 
M1+E2
   1255.39
4-
   1313 2     E   (5-)        
   1335 2     E   (3-)        
   1377.76 4    D FG 6-        66.759 10 
 
M1(+E2)
   1311.00
5-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   1385.50 10  B      1,2+      1342.87 8 
   1385.42 6 
   93 7 
  100 7 


     42.721
      0.0
2+
0+
   1396.09 7    D FG (5)-        85.086 7 
    140.694 10 
   22.8 20 
  100 7 
M1(+E2)
M1(+E2)
   1311.00
   1255.39
5-
4-
   1411.33 6  B      (1,2+)      1368.61 6 
   1411.6 4 ?
  100 8 
   19 5 


     42.721
      0.0
2+
0+
   1426.86 12  B  E   (3-)       555.22 10 ?
 

    871.57
2-
   1457.76 4    D FG (6)-        61.667 5 
     80.00 3 
    146.9 1 
  100 9 
   13 4 
   26 8 
M1+E2
M1(+E2)
M1(+E2)
   1396.09
   1377.76
   1311.00
(5)-
6-
5-
   1478.37 4    D FG (5)-        82.282 6 
    222.993 20 
  100 8 
   71 5 
M1(+E2)
M1+E2
   1396.09
   1255.39
(5)-
4-
   1499.53 4    D F  (6)-        41.775 5 
    103.440 10 
   41 4 
  100 9 
M1(+E2)
M1(+E2)
   1457.76
   1396.09
(6)-
(5)-
  ≈1530     FG (7-)        
   1541 2     E   (5-)        
  ≈1550     FG (6-)        
   1570 2     E          
  ≈1575     F  (7-)        
  ≈1600     F  (6-)        
   1626 3     E          
   1658.00 4  BC     2+       586.43 7 
    626.11 4 
    786.26 14 
   1516.22 7 
   1615.29 4 
   1658.00 4 
   14 2 
   54 6 
   11 2 
    2.6 2 
  100 5 
   59 3 
M1(+E2)
M1(+E2)
[E1]
[E2]
E2
E2
   1071.37
   1031.852
    871.57
    141.875
     42.721
      0.0
3+
2+
2-
4+
2+
0+
   1695.15 10  B      (3+)      1553.37 18 
   1652.40 10 
   55 14 
  100 9 


    141.875
     42.721
4+
2+
   1735 2     E          
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   1915 3     E          
   2015 3     E          

I(γ): Relative intensities deexciting each level, adopted from 250Bk β- and 250Es ε decays.

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - K=0+ GS band.
      0.0 0+ 13.08 y 9 
% α = 99.923 3
% SF = 0.077 3
     
     42.721 5  2+ 96 ps 10       42.721 5 
 
E2
      0.0
0+
    141.875 10  4+        99.160 10 
 
E2
     42.721
2+
    296.22 6  6+       154.35 6 
 
E2
    141.875
4+
   ≈500 8+        
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - K=2- OCTUPOLE-VIBRATIONAL band.
    871.57 3  2-        
    905.89 2  3-        34.325 5 
    764.2 1 
    863.2 1 
    1.3 2 
   78 4 
  100 6 
M1+E2
E1
E1
    871.57
    141.875
     42.721
2-
4+
2+
    951.98 2  4-        46.093 5 
     80.412 10 
    810.2 1 
    2.1 3 
    3.2 4 
  100 6 
M1+E2
E2
E1
    905.89
    871.57
    141.875
3-
2-
4+
   1008.51 2  5-        56.527 13 
    102.623 10 
    712.3 1 
    866.7 1 
    6.7 8 
   15.7 23 
  100 7 
   97 8 
M1+E2
E2
[E1]
[E1]
    951.98
    905.89
    296.22
    141.875
4-
3-
6+
4+
  ≈1070 (6-)        
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - K=2+ GAMMA-VIBRATIONAL band.
   1031.852 21  2+ 0.94 ps 10       
   1071.37 2  3+       119.4 3 
    165.44 15 
    199.72 20 
    929.468 22 
   1028.654 25 
    0.014 5 
    0.028 4 
    0.022 3 
   25.1 4 
  100 3 
[E1]
[E1]
[E1]
[E2]
(E2)
    951.98
    905.89
    871.57
    141.875
     42.721
4-
3-
2-
4+
2+
   1123 1  (4+)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - K=0+ band
   1154.24 10  0+        
   1189.39 3  2+      1047.51 6 
   1146.67 3 
   18.0 13 
  100 5 
[E2]
E0+E2
    141.875
     42.721
4+
2+
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 5 - K=1- OCTUPOLE-VIBRATIONAL band.
   1175.52 3  1-        
   1211 1  (3-)      1068.27 17 ?
   1167.25 4 ?
 
 


    141.875
     42.721
4+
2+
   1313 2  (5-)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 6 - K=2-? band
   1209.97 4  (2)-        
   1247 2  (3-)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 7 - K=4- band.
   1255.39 4  4-        
   1311.00 4  5-        55.602 5 
 
M1+E2
   1255.39
4-
   1377.76 4  6-        66.759 10 
 
M1(+E2)
   1311.00
5-
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 8 - K=0+ band
   1266.6 2  0+        
   1296.60 4  2+      1154.77 3 
   1253.82 7 
   1296.54 13 
  100 5 
   23.3 19 
    9.4 13 
[E2]
E0+E2
[E2]
    141.875
     42.721
      0.0
4+
2+
0+
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 9 - K=5- band.
   1396.09 7  (5)-        
   1457.76 4  (6)-        61.667 5 
     80.00 3 
    146.9 1 
  100 9 
   13 4 
   26 8 
M1+E2
M1(+E2)
M1(+E2)
   1396.09
   1377.76
   1311.00
(5)-
6-
5-
  ≈1530 (7-)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 10 - K=5- (n 9/2[734],n 1/2[620]) band.
   1478.37 4  (5)-        
  ≈1550 (6-)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 11 - K=6- (n 9/2[734],n 3/2[622]) band
   1499.53 4  (6)-        
  ≈1575 (7-)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 12 - K=3?
   1426.86 12  (3-)        
   1541 2  (5-)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 13 - K=2+ BAND?
   1658.00 4  2+        
   1695.15 10  (3+)      1553.37 18 
   1652.40 10 
   55 14 
  100 9 


    141.875
     42.721
4+
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
     42.721 2+ 96 ps 10       42.721 5 E2 1293B(E2)(W.u.)=3.4×102 4, α=1293
    141.875 4+        99.160 10 E2 23.8α=23.8
    296.22 6+       154.35 6 E2 3.33α=3.33
    871.57 2-       828.81 3 E1 0.00657α=0.00657
    905.89 3-        34.325 5 M1+E20.42 57.4×102α=7.4×102 11
3-       764.2 1 E1 0.00758α=0.00758
3-       863.2 1 E1 0.00613α=0.00613
    951.98 4-        46.093 5 M1+E20.40 2200α=200 10
4-        80.412 10 E2 63.3α=63.3
4-       810.2 1 E1 0.00684α=0.00684
   1008.51 5-        56.527 13 M1+E20.37 +20-1080α=80 40
5-       102.623 10 E2 20.28α=20.28
5-       712.3 1 [E1] 0.00859α=0.00859
5-       866.7 1 [E1] 0.00608α=0.00608
   1031.852 2+ 0.94 ps 10      126.01 3 [E1] 0.0834B(E1)(W.u.)=6.8E-6 10, α=0.0834
2+ 0.94 ps 10      160.26 4 [E1] 0.1859B(E1)(W.u.)=1.50E-5 19, α=0.1859
2+ 0.94 ps 10      889.956 22 [E2] 0.01961B(E2)(W.u.)=0.211 23, α=0.01961
2+ 0.94 ps 10      989.125 21 E2 0.01603B(E2)(W.u.)=3.7 4, α=0.01603
2+ 0.94 ps 10     1031.852 21 E2 0.01480B(E2)(W.u.)=2.3 3, α=0.01480
   1071.37 3+       119.4 3 [E1] 0.0956α=0.0956
3+       165.44 15 [E1] 0.1726α=0.1726
3+       199.72 20 [E1] 0.1127α=0.1127
3+       929.468 22 [E2] 0.0180α=0.0180
3+      1028.654 25 (E2) 0.0148α=0.0148 9
   1154.24 0+      1111.50 10 [E2] 0.0129α=0.0129
E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
   1175.52 1-       303.95 20 [M1,E2] 1.0α=1.0 8
1-      1132.80 3 [E1] 0.00385α=0.00385
1-      1175.5 2 E1 0.00362α=0.00362
   1189.39 2+      1047.51 6 [E2] 0.0144α=0.0144
2+      1146.67 3 E0+E2 0.10α=0.10 3
   1209.97 (2)-      1167.25 4 E1 0.00366α=0.00366
   1244.50 2+      1103.0 3 [E2] 0.01306α=0.01306
2+      1201.79 4 [M1,E2] 0.027α=0.027 16
2+      1244.42 8 [E2] 0.01045α=0.01045
   1255.39 4-       184.2 2 [E1] 0.1352α=0.1352
4-       246.92 6 M1+E21.00 61.86α=1.86 9
4-       303.41 3 M1+E20.92 71.09α=1.09 10
4-       349.4 1 E2+M14.6 50.223α=0.223 12
4-       383.7 1 E2 0.135α=0.135
   1266.6 0+      1223.8 2 [E2] 0.0108α=0.0108
   1296.60 2+      1154.77 3 [E2] 0.0120α=0.0120
2+      1296.54 13 [E2] 0.00969α=0.00969
   1311.00 5-        55.602 5 M1+E20.59 5133α=133 9
   1377.76 6-        66.759 10 M1(+E2)0.5 LE37α=37 7
   1396.09 (5)-        85.086 7 M1(+E2)0.27 LE15.4α=15.4 16
(5)-       140.694 10 M1(+E2)0.1 LT15.6α=15.6
   1457.76 (6)-        61.667 5 M1+E20.20 345.1α=45.1 16
(6)-        80.00 3 M1(+E2)0.3 LT18.7α=18.7 11
(6)-       146.9 1 M1(+E2)0.6 LT13.0α=13.0 18
   1478.37 (5)-        82.282 6 M1(+E2)0.06 LT16.33α=16.33 11
(5)-       222.993 20 M1+E20.42 73.71α=3.71 15
E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
   1499.53 (6)-        41.775 5 M1(+E2)0.14 +7-14144α=144 30
(6)-       103.440 10 M1(+E2)0.25 +15-109.1α=9.1 9
   1658.00 2+       586.43 7 M1(+E2) 0.24α=0.24 1
2+       626.11 4 M1(+E2) 0.24α=0.24 1
2+       786.26 14 [E1] 0.00721α=0.00721
2+      1516.22 7 [E2] 0.00727α=0.00727
2+      1615.29 4 E2 0.00498α=0.00498

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
      0.00+ 13.08 y 9 
% α = 99.923 3
% SF = 0.077 3
Branchings are from unweighted average of the measured α/SF=1330 45 (1963Ph01), 1260 40 (1965Me02).
E(level): Branchings are from unweighted average of the measured α/SF=1330 45 (1963Ph01), 1260 40 (1965Me02). K=0+ GS band.
     42.7212+ 96 ps 10  E(level): K=0+ GS band.
    141.8754+   E(level): K=0+ GS band.
    296.226+   E(level): K=0+ GS band.
    5008+   E(level): K=0+ GS band.
    871.572-   E(level): K=2- OCTUPOLE-VIBRATIONAL band.
    905.893-   B(E3)=20.2 20
E(level): K=2- OCTUPOLE-VIBRATIONAL band.
    951.984-   E(level): K=2- OCTUPOLE-VIBRATIONAL band.
   1008.515-   E(level): K=2- OCTUPOLE-VIBRATIONAL band.
   1031.8522+ 0.94 ps 10  E(level): K=2+ GAMMA-VIBRATIONAL band.
   1070(6-)   E(level): K=2- OCTUPOLE-VIBRATIONAL band.
   1071.373+   E(level): K=2+ GAMMA-VIBRATIONAL band.
   1123(4+)   E(level): K=2+ GAMMA-VIBRATIONAL band.
   1154.240+   E(level): K=0+ band.
   1175.521-   E(level): K=1- OCTUPOLE-VIBRATIONAL band.
   1189.392+   E(level): K=0+ band.
   1209.97(2)-   Almost pure 2-,(n 9/2[734]-n 5/2[622]) configuration was suggested in 1980Ah01. The ε decay transition from the 1-,(n 7/2[633]-n 9/2[734]) 250Es parent could Be via the p 7/2[633] to p 5/2[622] transition. The n 5/2[622] state is a hole state, close to the 9/2[734] state; some admixture of 1-,(n 9/2[734]-n 5/2[622]) configuration in 2.22H 250Es can explain this ε transition.
E(level): Almost pure 2-,(n 9/2[734]-n 5/2[622]) configuration was suggested in 1980Ah01. The ε decay transition from the 1-,(n 7/2[633]-n 9/2[734]) 250Es parent could Be via the p 7/2[633] to p 5/2[622] transition. The n 5/2[622] state is a hole state, close to the 9/2[734] state; some admixture of 1-,(n 9/2[734]-n 5/2[622]) configuration in 2.22H 250Es can explain this ε transition. K=2-? band.
   1211(3-)   B(E3)=19.3 19
The level observed in (α,t) is assumed to populate a two-proton component of this collective state.
E(level): The level observed in (α,t) is assumed to populate a two-proton component of this collective state. K=1- OCTUPOLE-VIBRATIONAL band.
   1247(3-)   E(level): K=2-? band.
   1255.394-   E(level): K=4- band.
   1266.60+   E(level): K=0+ band.
   1296.602+   E(level): K=0+ band.
   1311.005-   E(level): K=4- band.
   1313(5-)   E(level): K=1- OCTUPOLE-VIBRATIONAL band.
   1377.766-   E(level): K=4- band.
E(level)Jπ(level)T1/2(level)Comments
   1396.09(5)-   E(level): K=5- band.
   1426.86(3-)   B(E3)=13.3 13
E(level): K=3?.
   1457.76(6)-   E(level): K=5- band.
   1478.37(5)-   E(level): K=5- (n 9/2[734],n 1/2[620]) band.
   1499.53(6)-   E(level): K=6- (n 9/2[734],n 3/2[622]) band.
   1530(7-)   E(level): K=5- band.
   1541(5-)   E(level): K=3?.
   1550(6-)   E(level): K=5- (n 9/2[734],n 1/2[620]) band.
   1575(7-)   E(level): K=6- (n 9/2[734],n 3/2[622]) band.
   1600(6-)   K=6, two-neutron state was assigned by 1976Ya02.
E(level): K=6, two-neutron state was assigned by 1976Ya02.
   1658.002+   E(level): K=2+ BAND?.
   1695.15(3+)   E(level): K=2+ BAND?.

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Additional Gamma Comments:

E(level)E(gamma)Comments
   1209.97   1167.25E(γ): Multiply placed
   1211   1167.25E(γ): Multiply placed

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