ADOPTED LEVELS, GAMMAS for 165Er

Authors: Balraj Singh and Jun Chen |  Citation: Nucl. Data Sheets 194, 460 (2024) |  Cutoff date: 31-Oct-2022 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-1591.3 keV 15S(n)= 6650.1 keV 6S(p)= 6829.8 keV 15Q(α)= 1109.2 keV 6
Reference: 2021WA16

References:
  A  165Tm ε decay (30.06 H)  B  160Gd(9Be,4nγ):E=42,45 MeV
  C  160Gd(9Be,4nγ):E=57 MeV  D  164Dy(α,3nγ)
  E  164Er(n,γ),(n,n):Resonances  F  164Er(pol n,γ) E=RES:ARC
  G  164Er(d,p)  H  165Ho(p,nγ)
  I  166Er(d,t)  J  166Er(3He,α)
  K  167Er(p,t) 

General Comments:

Other reactions and measurements:

See ’164Er(n,γ),(n,n):resonances’ dataset for 18 resonances from 7.9 eV to 750.2 eV

(16O,pxnα), (17O,pxnα) and (18O,pxnα) on 148Nd, 150Nd, 158Gd, 160Gd targets: 1996Br08, 1994Ca11, 1994Br31: measured γ, γ(θ), deduced GDR features.

166Er(γ,n): 1976Go21: GDR features

165Ho(π+0): 1994Kn01, 1987Kn02: IAS states

Hyperfine structure and isotope-shift measurements: 1965Al10, 1980Bo26

Mass measurement: 1979Ha32

2022Ai03: theory: structure: calculated levels, Jπ, bands, B(E2) using extended Bohr Hamiltonian.

2012Er08: theory: structure: calculated vibrational and rotational bands, γ energies, B(E2) using Bohr Hamiltonian.

2012Ya08: theory: structure: calculated intrinsic magnetic moment, g factor using Quasiparticle-Phonon Nuclear Model.

2007Ya05: theory: structure: calculated levels, Jπ, B(E2) using interacting boson-fermion model.

2001Va27: theory: structure: calculated rotational bands levels, Jπ, B(E2) using pseudo-SU(3) scheme.

2001Pu02: theory: structure: calculated ground-state energies using Monte Carlo method.

2000Gu34: theory: structure: calculated high-spin levels, Jπ, B(E2) for positive parity bands using interacting boson model (IBM).

Other theoretical calculations: 54 references for structure and seven decay characteristics retrieved from the NSR database are listed in ’document’ records which can be accessed via web retrieval of the ENSDF database for 165Er

Q-value: Q(ε)=376.7 10, S(2n)=15497 5, S(2p)=12718.4 6 (2021Wa16)










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0.0ABCD FGHI K 5/2- 10.36 h 4 
% ε = 100
     
    47.158 4 AB D F  I K 5/2+ 4.0 ns 1      47.155 6 
   100
E1
     0.0
5/2-
    62.672 4 ABCD      K 7/2+       15.512 10 
    62.676 5 
     0.56 28 
   100.0 21 
M1+E2
E1
    47.158
     0.0
5/2+
5/2-
    77.258 4 AB D FGHI   7/2- 0.96 ns 8      14.56 2 
    30.106 8 
    77.253 5 
    12.7
    12.2
   100.0 25 
(E1)
E1
M1+E2
    62.672
    47.158
     0.0
7/2+
5/2+
5/2-
    97.958 9 AB D  G IJK 9/2+       20.71 2 
    35.280 18 
    50.77 2 
   100
    75
     3.8
(E1)
M1+E2
E2
    77.258
    62.672
    47.158
7/2-
7/2+
5/2+
   167.4 1  BCD      K (11/2+)       69.4
   104.6
   100
    47
D+Q

    97.958
    62.672
9/2+
7/2+
   175.82 3 ABCD  GHIJ  9/2-       98.60 5 
   113.1
   175.86 7 
    20.6
 
   100 11 
[M1+E2]

(E2)
    77.258
    62.672
     0.0
7/2-
7/2+
5/2-
   237.8 7  B D     JK (13/2+)       71.2
   140.3
    45
   100
D+Q
(Q)
   167.4
    97.958
(11/2+)
9/2+
   242.929 4 A  D FGHI   3/2- 0.31 ns 4     165.659 15 
   195.773 7 
   242.917 7 
     0.44 6 
     1.62 4 
   100.0 20 
E2
E1
M1+E2
    77.258
    47.158
     0.0
7/2-
5/2+
5/2-
   295.8 7  B D   H    (11/2-)      120.1
   197.8
   218.5
     2.4
    43
   100 12 


(Q)
   175.82
    97.958
    77.258
9/2-
9/2+
7/2-
   296.124 4 A  D   H    5/2- ≤ 0.24 ns     53.182 15 
   120.34 4 
   218.859 6 
   248.962 7 
   296.119 9 
    14.7 11 
     0.14
    86 5 
   <20.6
   100.0 22 
M1+E2
(E2)
M1+E2
(E1+M2)
M1+E2
   242.929
   175.82
    77.258
    47.158
     0.0
3/2-
9/2-
7/2-
5/2+
5/2-
   297.367 5 A    FGHI K 1/2- 0.70 ns 8      54.415 11 
   297.369 6 
    56.7 14 
   100.0 20 
M1(+E2)
E2
   242.929
     0.0
3/2-
5/2-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   356.525 4 A    FG I   3/2- 0.35 ns 6      59.129 22 
    60.399 4 
   113.599 4 
   279.264 7 
   309.4 3 
   356.519 12 
     2.12 17 
    25.8 5 
    56.8 12 
    21.8 7 
     2.8
   100.0 30 
M1+E2
M1+E2
M1+E2
E2
(E1)
M1+E2
   297.367
   296.124
   242.929
    77.258
    47.158
     0.0
1/2-
5/2-
3/2-
7/2-
5/2+
5/2-
   372.4 1  BCD      K (15/2+)      134.3
   205.1
    47
   100
D+Q

   237.8
   167.4
(13/2+)
(11/2+)
   372.716 14 A     G IJ  7/2-       76.56 2 
   129.82 4 
   372.8 4 
    10
    40
   100
M1(+E2)
[E2]

   296.124
   242.929
     0.0
5/2-
3/2-
5/2-
   384.341 7 A     G I   5/2-       11.60 2 
    27.879 15 
    86.93 1 
    88.205 15 
   141.36 7 
   286.30 15 
   307.067 11 
   384.53 4 
 
     1.6
    22.4
    29.8 32 
    18.6 29 
     5.6
   100.0 27 
    96 11 
M1
M1+E2
E2
M1+E2
M1+E2
[M2]
M1(+E2)
M1+E2
   372.716
   356.525
   297.367
   296.124
   242.929
    97.958
    77.258
     0.0
7/2-
3/2-
1/2-
5/2-
3/2-
9/2+
7/2-
5/2-
   431 2         I   1/2+        
   435.5 1  BC    H    (13/2-)      259.6
   268.1
   100 9 
    46


   175.82
   167.4
9/2-
(11/2+)
   463.3 10  B D        (17/2+)       91.5
   225.2
    25.5
   100
D+Q

   372.4
   237.8
(15/2+)
(13/2+)
   465          K 7/2+        
   467 2       G I   (9/2-)        
   477.758 8 A           5/2-      181.61 4 
   234.789 22 
   400.520 11 
   415.12 3 
   430.594 21 
   477.791 23 
     4.3 5 
    16.2 6 
    34.8 8 
    15.1 7 
    69.9 36 
   100.0 36 
M1(+E2)
M1(+E2)


E1
M1+E2
   296.124
   242.929
    77.258
    62.672
    47.158
     0.0
5/2-
3/2-
7/2-
7/2+
5/2+
5/2-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   507.421 5 A    F  I   1/2+ 0.70 ns 12     150.894 5 
   210.053 7 
   264.492 7 
   460.263 16 
    13.71 34 
    20.3 4 
    13.45 34 
   100.0 35 
E1
E1
E1
E2
   356.525
   297.367
   242.929
    47.158
3/2-
1/2-
3/2-
5/2+
   514 3       G     7/2-        
   519.144 6 A           5/2+      162.60 3 
   421.179 10 
   456.459 15 
   471.979 10 
     5.1 12 
    26.2 6 
   100 5 
    28.2 7 
E1
E2
M1+E2
M1+E2
   356.525
    97.958
    62.672
    47.158
3/2-
9/2+
7/2+
5/2+
   534.571 10 A    FG I   3/2+      149.65 6 
   238.471 18 
   487.399 10 
   534.72 7 
     2.8 5 
    15.3 14 
   100.0 21 
     3.20 34 
E1
(E1)
M1
(E1)
   384.341
   296.124
    47.158
     0.0
5/2-
5/2-
5/2+
5/2-
   550.6 1  BCD    IJ  11/2- 0.25 µs 3 
% IT = 100
   314.8
   375.0
   383.7
   473.7
    32.7
    34.9
   100
     7.9
[E1]
(M1+E2)
[E1]
[E2]
   237.8
   175.82
   167.4
    77.258
(13/2+)
9/2-
(11/2+)
7/2-
   573 2       G I   7/2-        
   589.759 5 A    FG I K 3/2+       70.610 5 
    82.33 1 
   205.402 11 
   233.280 13 
   346.825 11 
   527.106 12 
   542.622 11 
    14.7 4 
     0.30
    29.7 8 
     7.18 22 
    15.4 5 
    65.8 15 
   100 5 
M1+E2
M1+E2
E1
E1
E1
E2
M1+E2
   519.144
   507.421
   384.341
   356.525
   242.929
    62.672
    47.158
5/2+
1/2+
5/2-
3/2-
3/2-
7/2+
5/2+
   589.882 8 A    FG I K 1/2- ≤ 0.6 ns    292.410 14 
   346.933 11 
   589.912 15 
    44.2 14 
   100.0 37 
    63.3 27 
(M1)
M1(+E2)
E2
   297.367
   242.929
     0.0
1/2-
3/2-
5/2-
   595.7 5  B     H    (15/2-)      300
   357.5
   100 13 
    40


   295.8
   237.8
(11/2-)
(13/2+)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   599 2         I   (3/2+,5/2+)        
   605.486 8 A     G   K (3/2+)      127.69 4 
   221.15 5 
   248.962 7 
   362.3 2 
   605.93 3 
     9.2
   100
  <340
 
   <70
[E1]

(E1+M2)


   477.758
   384.341
   356.525
   242.929
     0.0
5/2-
5/2-
3/2-
3/2-
5/2-
   608.502 7 A    F    K 3/2-      224.02 8 
   251.7 3 ?
   312.327 12 
   365.577 8 
   531.243 26 
   608.527 16 
     5.7 11 
     2.4
    95 5 
   100.0 29 
    27.0 10 
    92.0 29 
M1
(M1)
M1
M1+E2
E2
E2
   384.341
   356.525
   296.124
   242.929
    77.258
     0.0
5/2-
3/2-
5/2-
3/2-
7/2-
5/2-
   648 2         I          
   674 2         I   5/2+,3/2+        
   678.4 2  BCD        (19/2+)      214.3
   306.1
    12.1
   100
D+Q
(Q)
   463.3
   372.4
(17/2+)
(15/2+)
   684 3       G     9/2-        
   700 3       G            
   706.2 1  BCD        (13/2-)      155.6
   100
D
   550.6
11/2-
   721 2         I          
   730 3       G   K        
   745.946 9 A     G I   1/2+ 1.00 ns 15     156.10 3 
   156.21 3 
   238.471 18 
   389.404 14 
   448.580 14 
   698.843 16 
     0.42 20 
     0.62 20 
     5.7 5 
   100.0 23 
    57.8 19 
    45.6 17 
E1
M1
[M1]
E1
E1
E2
   589.882
   589.759
   507.421
   356.525
   297.367
    47.158
1/2-
3/2+
1/2+
3/2-
1/2-
5/2+
   760 2       G I   7/2-,5/2-        
   769.4 14  B D        (21/2+)      306.1
   100
(Q)
   463.3
(17/2+)
   772.4 1  BC         (17/2-)      336.9
   400.0
   100 10 
    29


   435.5
   372.4
(13/2-)
(15/2+)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   820 3       G I   11/2-        
   840 2       G I   (1/2-,3/2-)        
   853.538 8 A    F      3/2+      318.84 7 
   334.34 10 
   496.98 13 
   557.38 4 
   610.616 17 
   790.873 18 
   806.372 17 
   853.568 22 
     0.12 3 
     0.16 2 
     0.17 6 
     1.94 22 
     5.04 15 
     4.81 11 
   100.0 34 
     1.69 7 
M1
(M1,E2)


(E1)
E2
M1

   534.571
   519.144
   356.525
   296.124
   242.929
    62.672
    47.158
     0.0
3/2+
5/2+
3/2-
5/2-
3/2-
7/2+
5/2+
5/2-
   863 2         I   3/2+,5/2+        
   873 3       G            
   882.4 1  BCD        (15/2-)      175.8
   331.5
   100
    12.4


   706.2
   550.6
(13/2-)
11/2-
   896 3       G            
   920.716 9 A    FG I   1/2-      330.777 10 
   330.885 10 
   413.294 23 
   442.980 16 
   537.17 3 
   564.183 17 
   623.39 3 
   677.85 3 
     3.82 22 
     4.95 22 
     3.57 28 
    31.7 12 
     3.17 31 
   100 6 
     8.45 26 
     6.42 25 
M1
E1
(E1)
E2
E2
M1
M1
M1
   589.882
   589.759
   507.421
   477.758
   384.341
   356.525
   297.367
   242.929
1/2-
3/2+
1/2+
5/2-
5/2-
3/2-
1/2-
3/2-
   955 2         I   (9/2+,7/2+)        
   962.422 12 A    FG     3/2-      427.56 12 
   484.73 3 
   578.049 16 
   605.93 3 
   665.067 20 
   719.58 8 
     9.4 6 
    28.5 16 
    44.0 11 
   <43
   100.0 28 
     4.6 6 


M1
E2
M1

   534.571
   477.758
   384.341
   356.525
   297.367
   242.929
3/2+
5/2-
5/2-
3/2-
1/2-
3/2-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
   970.7 5  B          (19/2-)      375
   507.4
   100 17 
    35.5


   595.7
   463.3
(15/2-)
(17/2+)
   971 2         I   (3/2+,5/2+)        
   999.853 20 A           3/2+      410.02 7 
   492.41 8 
   703.66 19 
   937.39 10 
   952.71 3 
    24.9 26 
    71 5 
    12.8 18 
    13.9 16 
   100 8 
M1
(E2)

(E2)
M1
   589.759
   507.421
   296.124
    62.672
    47.158
3/2+
1/2+
5/2-
7/2+
5/2+
  1024 5       G     (5/2-)        
  1032.1?     F             
  1039 2         I   3/2-        
  1045.0 3      FG            
  1064 2         I   5/2-        
  1073 5       G            
  1078.4 2  BCD        (17/2-)      195.6
   371.6
  <134
   100


   882.4
   706.2
(15/2-)
(13/2-)
  1079.8 6  B D        (23/2+)      310.0
   401.9
 
 

(Q)
   769.4
   678.4
(21/2+)
(19/2+)
  1103.501 11 A           3/2+      141.36 7 
   249.83 4 
   494.94 5 
   513.627 14 
   513.735 14 
   570.4 8 
   595.95 13 
   719.58 8 
   747.00 6 
 
    59 6 
    21.8 12 
    33.8
   100 7 
     3.4 9 
     9.7 30 
     7.2 9 
    74 5 

M1,E2

E1
M1




   962.422
   853.538
   608.502
   589.882
   589.759
   534.571
   507.421
   384.341
   356.525
3/2-
3/2+
3/2-
1/2-
3/2+
3/2+
1/2+
5/2-
3/2-
  1106 2       G I   (7/2-)        
  1139 2       G I   3/2+,5/2+        
  1153.1 7  B D        (25/2+)      383.7
 
(Q)
   769.4
(21/2+)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  1165 15          J         
  1172 2       G I   7/2-        
  1178.9 6  B          (21/2-)      407
   501.1
   100 12 
    21


   772.4
   678.4
(17/2-)
(19/2+)
  1198 5       G            
  1233 5       G            
  1250 2         I          
  1274 2         I   (5/2-,7/2-)        
  1289.094 15 A     G I   3/2-      680.613 19 
   932.56 4 
   991.77 6 
  1046.07 7 
  1289.04 3 
    88.1 27 
    65 10 
    40.3 31 
    74.1 34 
   100.0 24 
M1
M1
M1(+E2)
M1+E2
M1+E2
   608.502
   356.525
   297.367
   242.929
     0.0
3/2-
3/2-
1/2-
3/2-
5/2-
  1292.1 7  B          (19/2-)      213.4
   408.4
 
 


  1078.4
   882.4
(17/2-)
(15/2-)
  1317.8 1  BC         (15/2-)      611.4
   767.2 1 
 
 


   706.2
   550.6
(13/2-)
11/2-
  1332 2         I          
  1339.41 5 A           5/2-      749.01 13 
   955.28 13 
  1096.47 7 
  1262.09 9 
  1277.79 6 
  1339.39 6 
   100 10 
    25.0 28 
    17.9 19 
    16.5 38 
    19 5 
    27 5 

M1
(M1)
M1
[E1]
[M1,E2]
 
   384.341
   242.929
    77.258
    62.672
     0.0
 
5/2-
3/2-
7/2-
7/2+
5/2-
  1379 2       G I   (5/2-,7/2-)        
  1411.92 7 A     G I   3/2+      558.74 3 
   821.54 3 
   892.79 7 
   100 5 
    32.3 21 
     8.8 11 
M1
M1
M1
   853.538
   589.759
   519.144
3/2+
3/2+
5/2+
  1413.5 7  B          (23/2-)      442.9
   643.5
   100 16 
    30.9


   970.7
   769.4
(19/2-)
(21/2+)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  1416.72 5 A           3/2-      416.88 10 
   827.43 7 
  1339.39 6 
  1416.80 10 
    46 6 
   100 12 
    48 8 
    74 3 

M1
[E2]
E2
   999.853
   589.882
    77.258
     0.0
3/2+
1/2-
7/2-
5/2-
  1427.411 10 A           3/2+      573.882 12 
   837.646 23 
   908.26 11 
   920.24 8 
   949.78 7 
  1043.05 4 
  1070.80 12 
  1131.26 3 
  1184.45 3 
  1364.75 3 
  1380.21 3 
  1427.40 4 
    11.7 5 
    16.5 5 
     0.72 18 
     1.37 12 
     1.98 7 
     2.63 7 
     0.40 6 
    58.6 27 
   100 5 
     2.22 6 
    13.1 9 
    27.4 18 
M1+E2
M1
M1+E2
E2

E1
[E1]
E1
E1
E2
M1
E1
   853.538
   589.759
   519.144
   507.421
   477.758
   384.341
   356.525
   296.124
   242.929
    62.672
    47.158
     0.0
3/2+
3/2+
5/2+
1/2+
5/2-
5/2-
3/2-
5/2-
3/2-
7/2+
5/2+
5/2-
  1474 5       G     (3/2-)        
  1489 2       G I   1/2+        
  1506.0 1  BC         (17/2-)      188.2 1 
   623.6 1 
   799.8 1 
    21.0 16 
    38.7 32 
   100 7 



  1317.8
   882.4
   706.2
(15/2-)
(15/2-)
(13/2-)
  1521.8 7  B          (21/2-)      229.8
   442.9
 
 


  1292.1
  1078.4
(19/2-)
(17/2-)
  1528.12 6 A           (3/2+)     1231.86 11 
  1285.22 6 
    53 5 
   100 4 
[E1]
(E1)
   296.124
   242.929
5/2-
3/2-
  1539 5       G     (5/2-)        
  1564 5       G            
  1570.7 7  B          (27/2+)      417.0
   490.8
 
 


  1153.1
  1079.8
(25/2+)
(23/2+)
  1610.7 9  B          (29/2+)      457
 

  1153.1
(25/2+)
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  1612 5       G            
  1631 5       G     (7/2-)        
  1647.8 7  B          (25/2-)      469
   567.8
   100 19 
    15.4


  1178.9
  1079.8
(21/2-)
(23/2+)
  1656 5       G            
  1728 5       G            
  1761 5       G            
  1766.6 8  B          (23/2-)      244.7
   474.4
 
 


  1521.8
  1292.1
(21/2-)
(19/2-)
  1780 5       G            
  1805 5       G            
  1819 5       G            
  1823.0 1  BC         (19/2,21/2) 0.37 µs 4 
% IT = 100
   317.0 1 
  1050.6 1 
  1144.6 1 
   100 8 
     5 1 
    17 2 



  1506.0
   772.4
   678.4
(17/2-)
(17/2-)
(19/2+)
  1851 5       G            
  1889 5       G            
  1901 5       G            
  1914.6 7  B          (27/2-)      501
   761.0
   100 20 
    22.8


  1413.5
  1153.1
(23/2-)
(25/2+)
  1940 5       G            
  1951 5       G            
  1968 5       G            
  2004 5       G            
  2018 5       G            
  2024.8 8  B          (25/2-)      258
   503.2
 
 


  1766.6
  1521.8
(23/2-)
(21/2-)
  2033 5       G            
  2047 5       G            
  2057 5       G            
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  2134.2 10  B          (33/2+)      523.5
 

  1610.7
(29/2+)
  2140.5 9  B          (31/2+)      569.8
 

  1570.7
(27/2+)
  2167.8 9  B          (29/2-)      520
 

  1647.8
(25/2-)
  2295.8 8  B          (27/2-)      271
   529.2
 
 


  2024.8
  1766.6
(25/2-)
(23/2-)
  2466.6 9  B          (31/2-)      552
 

  1914.6
(27/2-)
  2577.7 9  B          (29/2-)      552.9
 

  2024.8
(25/2-)
  2717.2 11  B          (37/2+)      583.0
 

  2134.2
(33/2+)
  2729.8 10  B          (33/2-)      562
 

  2167.8
(29/2-)
  2777.7 10  B          (35/2+)      637.2
 

  2140.5
(31/2+)
  2869.8 10  B          (31/2-)      574
 

  2295.8
(27/2-)
  3060.6 10  B          (35/2-)      594
 

  2466.6
(31/2-)
  3329.8 11  B          (37/2-)      600
 

  2729.8
(33/2-)
  3354.0 12  B          (41/2+)      636.8
 

  2717.2
(37/2+)
  3467.6 11  B          (39/2+)      689.9
 

  2777.7
(35/2+)
  3690.6 12  B          (39/2-)      630
 

  3060.6
(35/2-)
  3971.8 12  B          (41/2-)      642
 

  3329.8
(37/2-)
  4042.4 13  B          (45/2+)      688.4
 

  3354.0
(41/2+)
  4193.2 13  B          (43/2+)      725.6
 

  3467.6
(39/2+)
  4360.6 13  B          (43/2-)      670
 

  3690.6
(39/2-)
  4664.8 13 ? B          (45/2-)      693?
 

  3971.8
(41/2-)
  4784.5 14  B          (49/2+)      742.1
 

  4042.4
(45/2+)
  4946.2 14 ? B          (47/2+)      753?
 

  4193.2
(43/2+)
  6650.2 7 S     F      1/2,3/2     5605.1 7 
  5618.1?
  5687.6 12 
  5729.1 7 
  5796.8 16 
  5904.5?
  6041.6 6 
  6059.9 12 
  6117.3 16 
  6143.7 21 
  6293.7 6 
  6352.5 6 
  6407.2 7 
  6572.7 6 ?
  6602.7 6 ?
  6649.9 6 ?
    49.2 26 
    <2.9
    65 7 
    44.0 21 
     8.9 20 
    <3.4
    65.2 32 
    68 5 
    13 5 
    11 4 
    99 4 
   100 4 
    63.2 29 
    <4.4
    <4.7
    <4.7
















  1045.0
  1032.1
   962.422
   920.716
   853.538
   745.946
   608.502
 
   534.571
   507.421
   356.525
   297.367
   242.929
    77.258
    47.158
     0.0


3/2-
1/2-
3/2+
1/2+
3/2-
 
3/2+
1/2+
3/2-
1/2-
3/2-
7/2-
5/2+
5/2-
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
    15.49E3       H           
     X  C         (19/2-)        
   101.8+X 1   C         (21/2-)      101.8 1 
   100

     X
(19/2-)
   242.0+X 2   C         (23/2-)      140.2 1 
   242.0 1 ?
   100 10 
    23 9 


   101.8+X
     X
(21/2-)
(19/2-)
   410.8+X 2   C         (25/2-)      168.8 1 
   309.0 1 ?
   100 7 
    24 8 


   242.0+X
   101.8+X
(23/2-)
(21/2-)
   603.3+X 2   C         (27/2-)      192.5 1 
   361.3 1 
   100 8 
    35 6 


   410.8+X
   242.0+X
(25/2-)
(23/2-)
   816.5+X 2   C         (29/2-)      213.2 1 
   405.7 1 
   100 12 
    49 17 


   603.3+X
   410.8+X
(27/2-)
(25/2-)
  1049.3+X 2   C         (31/2-)      232.8 1 
   446.0 1 
   100 10 
    49 6 


   816.5+X
   603.3+X
(29/2-)
(27/2-)
  1298.6+X 2   C         (33/2-)      249.3 1 
   482.1 1 
   100 13 
    89 16 


  1049.3+X
   816.5+X
(31/2-)
(29/2-)
  1564.9+X 2   C         (35/2-)      266.3 1 
   515.6 1 
    79 18 
   100 18 


  1298.6+X
  1049.3+X
(33/2-)
(31/2-)
     Y  C         (19/2+)        
   188.7+Y 1   C         (21/2+)      188.7 1 
   100

     Y
(19/2+)
   393.8+Y 2   C         (23/2+)      205.1 1 
   100

   188.7+Y
(21/2+)
   615.0+Y 2   C         (25/2+)      221.2 1 
   100

   393.8+Y
(23/2+)
   852.0+Y 2   C         (27/2+)      237.0 1 
   100

   615.0+Y
(25/2+)
  1103.3+Y 2   C         (29/2+)      251.3 1 
   488.3 1 ?
   100 15 
    63 15 


   852.0+Y
   615.0+Y
(27/2+)
(25/2+)
  1368.7+Y 3   C         (31/2+)      265.4 1 
   516.7 1 ?
   100 15 
    80 15 


  1103.3+Y
   852.0+Y
(29/2+)
(27/2+)

E(level): From 165Tm ε decay for low-spin levels up to 1528 keV, where details of least-squares fitting procedure requiring inflating uncertainties of about 18 γ transitions. High-spin levels are from two studies at different beam energies using 160Gd(9Be,4nγ) reaction, and 164Dy(α,3nγ) reaction, with precise level energies from 160Gd(9Be,4nγ):E=57 level (2012Sw01) when available. Other low-spin levels, not populated in γ-ray studies, are from particle-transfer reactions: 164Er(d,p); 166Er(d,t); 166Er(3He,α); and 167Er(p,t).

Jπ(level): For high-spin (J>9/2) assignments are based on γ(θ) data for selected transitions and band associations as in (9Be,4nγ):E=42,45 MeV (2011Wa19)

T1/2(level): From γ(ce)(t) in 165Tm ε decay, unless otherwise noted

Back to top

Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - ν5/2[642],α=+1/2.
    47.158 4  5/2+ 4.0 ns 1       
    97.958 9  9/2+       20.71 2 
    35.280 18 
    50.77 2 
   100
    75
     3.8
(E1)
M1+E2
E2
    77.258
    62.672
    47.158
7/2-
7/2+
5/2+
   237.8 7  (13/2+)       71.2
   140.3
    45
   100
D+Q
(Q)
   167.4
    97.958
(11/2+)
9/2+
   463.3 10  (17/2+)       91.5
   225.2
    25.5
   100
D+Q

   372.4
   237.8
(15/2+)
(13/2+)
   769.4 14  (21/2+)      306.1
   100
(Q)
   463.3
(17/2+)
  1153.1 7  (25/2+)      383.7
 
(Q)
   769.4
(21/2+)
  1610.7 9  (29/2+)      457
 

  1153.1
(25/2+)
  2134.2 10  (33/2+)      523.5
 

  1610.7
(29/2+)
  2717.2 11  (37/2+)      583.0
 

  2134.2
(33/2+)
  3354.0 12  (41/2+)      636.8
 

  2717.2
(37/2+)
  4042.4 13  (45/2+)      688.4
 

  3354.0
(41/2+)
  4784.5 14  (49/2+)      742.1
 

  4042.4
(45/2+)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - ν5/2[642],α=-1/2.
    62.672 4  7/2+        
   167.4 1  (11/2+)       69.4
   104.6
   100
    47
D+Q

    97.958
    62.672
9/2+
7/2+
   372.4 1  (15/2+)      134.3
   205.1
    47
   100
D+Q

   237.8
   167.4
(13/2+)
(11/2+)
   678.4 2  (19/2+)      214.3
   306.1
    12.1
   100
D+Q
(Q)
   463.3
   372.4
(17/2+)
(15/2+)
  1079.8 6  (23/2+)      310.0
   401.9
 
 

(Q)
   769.4
   678.4
(21/2+)
(19/2+)
  1570.7 7  (27/2+)      417.0
   490.8
 
 


  1153.1
  1079.8
(25/2+)
(23/2+)
  2140.5 9  (31/2+)      569.8
 

  1570.7
(27/2+)
  2777.7 10  (35/2+)      637.2
 

  2140.5
(31/2+)
  3467.6 11  (39/2+)      689.9
 

  2777.7
(35/2+)
  4193.2 13  (43/2+)      725.6
 

  3467.6
(39/2+)
  4946.2 14  (47/2+)      753?
 

  4193.2
(43/2+)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - ν3/2[521] band.
   242.929 4  3/2- 0.31 ns 4       
   296.124 4  5/2- ≤ 0.24 ns     53.182 15 
   120.34 4 
   218.859 6 
   248.962 7 
   296.119 9 
    14.7 11 
     0.14
    86 5 
   <20.6
   100.0 22 
M1+E2
(E2)
M1+E2
(E1+M2)
M1+E2
   242.929
   175.82
    77.258
    47.158
     0.0
3/2-
9/2-
7/2-
5/2+
5/2-
   372.716 14  7/2-       76.56 2 
   129.82 4 
   372.8 4 
    10
    40
   100
M1(+E2)
[E2]

   296.124
   242.929
     0.0
5/2-
3/2-
5/2-
   467 2  (9/2-)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - ν5/2[523],α=+1/2.
     0.0 5/2- 10.36 h 4 
% ε = 100
     
   175.82 3  9/2-       98.60 5 
   113.1
   175.86 7 
    20.6
 
   100 11 
[M1+E2]

(E2)
    77.258
    62.672
     0.0
7/2-
7/2+
5/2-
   435.5 1  (13/2-)      259.6
   268.1
   100 9 
    46


   175.82
   167.4
9/2-
(11/2+)
   772.4 1  (17/2-)      336.9
   400.0
   100 10 
    29


   435.5
   372.4
(13/2-)
(15/2+)
  1178.9 6  (21/2-)      407
   501.1
   100 12 
    21


   772.4
   678.4
(17/2-)
(19/2+)
  1647.8 7  (25/2-)      469
   567.8
   100 19 
    15.4


  1178.9
  1079.8
(21/2-)
(23/2+)
  2167.8 9  (29/2-)      520
 

  1647.8
(25/2-)
  2729.8 10  (33/2-)      562
 

  2167.8
(29/2-)
  3329.8 11  (37/2-)      600
 

  2729.8
(33/2-)
  3971.8 12  (41/2-)      642
 

  3329.8
(37/2-)
  4664.8 13  (45/2-)      693?
 

  3971.8
(41/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 5 - ν5/2[523],α=-1/2.
    77.258 4  7/2- 0.96 ns 8       
   295.8 7  (11/2-)      120.1
   197.8
   218.5
     2.4
    43
   100 12 


(Q)
   175.82
    97.958
    77.258
9/2-
9/2+
7/2-
   595.7 5  (15/2-)      300
   357.5
   100 13 
    40


   295.8
   237.8
(11/2-)
(13/2+)
   970.7 5  (19/2-)      375
   507.4
   100 17 
    35.5


   595.7
   463.3
(15/2-)
(17/2+)
  1413.5 7  (23/2-)      442.9
   643.5
   100 16 
    30.9


   970.7
   769.4
(19/2-)
(21/2+)
  1914.6 7  (27/2-)      501
   761.0
   100 20 
    22.8


  1413.5
  1153.1
(23/2-)
(25/2+)
  2466.6 9  (31/2-)      552
 

  1914.6
(27/2-)
  3060.6 10  (35/2-)      594
 

  2466.6
(31/2-)
  3690.6 12  (39/2-)      630
 

  3060.6
(35/2-)
  4360.6 13  (43/2-)      670
 

  3690.6
(39/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 6 - ν1/2[521] band.
   297.367 5  1/2- 0.70 ns 8       
   356.525 4  3/2- 0.35 ns 6      59.129 22 
    60.399 4 
   113.599 4 
   279.264 7 
   309.4 3 
   356.519 12 
     2.12 17 
    25.8 5 
    56.8 12 
    21.8 7 
     2.8
   100.0 30 
M1+E2
M1+E2
M1+E2
E2
(E1)
M1+E2
   297.367
   296.124
   242.929
    77.258
    47.158
     0.0
1/2-
5/2-
3/2-
7/2-
5/2+
5/2-
   384.341 7  5/2-       11.60 2 
    27.879 15 
    86.93 1 
    88.205 15 
   141.36 7 
   286.30 15 
   307.067 11 
   384.53 4 
 
     1.6
    22.4
    29.8 32 
    18.6 29 
     5.6
   100.0 27 
    96 11 
M1
M1+E2
E2
M1+E2
M1+E2
[M2]
M1(+E2)
M1+E2
   372.716
   356.525
   297.367
   296.124
   242.929
    97.958
    77.258
     0.0
7/2-
3/2-
1/2-
5/2-
3/2-
9/2+
7/2-
5/2-
   514 3  7/2-     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 7 - ν5/2[512] band.
   477.758 8  5/2-        
   573 2  7/2-     
   684 3  9/2-     
   820 3  11/2-     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 8 - ν11/2[505],α=+1/2.
   706.2 1  (13/2-)        
  1078.4 2  (17/2-)      195.6
   371.6
  <134
   100


   882.4
   706.2
(15/2-)
(13/2-)
  1521.8 7  (21/2-)      229.8
   442.9
 
 


  1292.1
  1078.4
(19/2-)
(17/2-)
  2024.8 8  (25/2-)      258
   503.2
 
 


  1766.6
  1521.8
(23/2-)
(21/2-)
  2577.7 9  (29/2-)      552.9
 

  2024.8
(25/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 9 - ν11/2[505],α=-1/2.
   550.6 1  11/2- 0.25 µs 3 
% IT = 100
     
   882.4 1  (15/2-)      175.8
   331.5
   100
    12.4


   706.2
   550.6
(13/2-)
11/2-
  1292.1 7  (19/2-)      213.4
   408.4
 
 


  1078.4
   882.4
(17/2-)
(15/2-)
  1766.6 8  (23/2-)      244.7
   474.4
 
 


  1521.8
  1292.1
(21/2-)
(19/2-)
  2295.8 8  (27/2-)      271
   529.2
 
 


  2024.8
  1766.6
(25/2-)
(23/2-)
  2869.8 10  (31/2-)      574
 

  2295.8
(27/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 10 - γ-vibrational band built on ν11/2[505].
  1317.8 1  (15/2-)        
  1506.0 1  (17/2-)      188.2 1 
   623.6 1 
   799.8 1 
    21.0 16 
    38.7 32 
   100 7 



  1317.8
   882.4
   706.2
(15/2-)
(15/2-)
(13/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 11 - Kπ=1/2- band.
   920.716 9  1/2-        
   962.422 12  3/2-      427.56 12 
   484.73 3 
   578.049 16 
   605.93 3 
   665.067 20 
   719.58 8 
     9.4 6 
    28.5 16 
    44.0 11 
   <43
   100.0 28 
     4.6 6 


M1
E2
M1

   534.571
   477.758
   384.341
   356.525
   297.367
   242.929
3/2+
5/2-
5/2-
3/2-
1/2-
3/2-
  1024 5  (5/2-)     
  1106 2  (7/2-)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 12 - Kπ=1/2+ band.
   507.421 5  1/2+ 0.70 ns 12       
   519.144 6  5/2+      162.60 3 
   421.179 10 
   456.459 15 
   471.979 10 
     5.1 12 
    26.2 6 
   100 5 
    28.2 7 
E1
E2
M1+E2
M1+E2
   356.525
    97.958
    62.672
    47.158
3/2-
9/2+
7/2+
5/2+
   589.759 5  3/2+       70.610 5 
    82.33 1 
   205.402 11 
   233.280 13 
   346.825 11 
   527.106 12 
   542.622 11 
    14.7 4 
     0.30
    29.7 8 
     7.18 22 
    15.4 5 
    65.8 15 
   100 5 
M1+E2
M1+E2
E1
E1
E1
E2
M1+E2
   519.144
   507.421
   384.341
   356.525
   242.929
    62.672
    47.158
5/2+
1/2+
5/2-
3/2-
3/2-
7/2+
5/2+
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 13 - ν1/2[530] band.
  1039 2  3/2-        
  1064 2  5/2-     
  1172 2  7/2-     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 14 - ν3/2[402] bandhead (?).
   534.571 10  3/2+        
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 15 - ν3/2[512] band (?).
  1474 5  (3/2-)        
  1539 5  (5/2-)     
  1631 5  (7/2-)     
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 16 - ν1/2[400] bandhead (?).
   745.946 9  1/2+ 1.00 ns 15       
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 17 - Kπ=(19/2-) band.
     X (19/2-)        
   101.8+X 1  (21/2-)      101.8 1 
   100

     X
(19/2-)
   242.0+X 2  (23/2-)      140.2 1 
   242.0 1 ?
   100 10 
    23 9 


   101.8+X
     X
(21/2-)
(19/2-)
   410.8+X 2  (25/2-)      168.8 1 
   309.0 1 ?
   100 7 
    24 8 


   242.0+X
   101.8+X
(23/2-)
(21/2-)
   603.3+X 2  (27/2-)      192.5 1 
   361.3 1 
   100 8 
    35 6 


   410.8+X
   242.0+X
(25/2-)
(23/2-)
   816.5+X 2  (29/2-)      213.2 1 
   405.7 1 
   100 12 
    49 17 


   603.3+X
   410.8+X
(27/2-)
(25/2-)
  1049.3+X 2  (31/2-)      232.8 1 
   446.0 1 
   100 10 
    49 6 


   816.5+X
   603.3+X
(29/2-)
(27/2-)
  1298.6+X 2  (33/2-)      249.3 1 
   482.1 1 
   100 13 
    89 16 


  1049.3+X
   816.5+X
(31/2-)
(29/2-)
  1564.9+X 2  (35/2-)      266.3 1 
   515.6 1 
    79 18 
   100 18 


  1298.6+X
  1049.3+X
(33/2-)
(31/2-)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 18 - Band based on (19/2+).
     Y (19/2+)        
   188.7+Y 1  (21/2+)      188.7 1 
   100

     Y
(19/2+)
   393.8+Y 2  (23/2+)      205.1 1 
   100

   188.7+Y
(21/2+)
   615.0+Y 2  (25/2+)      221.2 1 
   100

   393.8+Y
(23/2+)
   852.0+Y 2  (27/2+)      237.0 1 
   100

   615.0+Y
(25/2+)
  1103.3+Y 2  (29/2+)      251.3 1 
   488.3 1 ?
   100 15 
    63 15 


   852.0+Y
   615.0+Y
(27/2+)
(25/2+)
  1368.7+Y 3  (31/2+)      265.4 1 
   516.7 1 ?
   100 15 
    80 15 


  1103.3+Y
   852.0+Y
(29/2+)
(27/2+)

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Additional Gamma Data:















E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
    47.158 5/2+ 4.0 ns 1      47.155 6 E1 0.450B(E1)(W.u.)=3.57E-4 +22-20, α=0.450 7
    62.672 7/2+       15.512 10 M1+E20.27 71.2×103α=1.2×103 6
7/2+       62.676 5 E1 1.099α=1.099 15
    77.258 7/2- 0.96 ns 8      14.56 2 (E1) 11.47B(E1)(W.u.)=0.00091 18, α=11.47 17
7/2- 0.96 ns 8      30.106 8 E1 1.565B(E1)(W.u.)=9.9E-5 21, α=1.565 22
7/2- 0.96 ns 8      77.253 5 M1+E22.3 47.70B(E2)(W.u.)=316 +32-35, B(M1)(W.u.)=0.00075 +29-19, α=7.70 16
    97.958 9/2+       20.71 2 (E1) 4.39α=4.39 6
9/2+       35.280 18 M1+E20.173 +26-1917.5α=17.5 25
9/2+       50.77 2 E2 46.9α=46.9 7
   175.82 9/2-       98.60 5 [M1+E2] 3.03α=3.03 8
9/2-      175.86 7 (E2) 0.388α=0.388 5
   242.929 3/2- 0.31 ns 4     165.659 15 E2 0.477B(E2)(W.u.)=0.95 +20-16, α=0.477 7
3/2- 0.31 ns 4     195.773 7 E1 0.0550B(E1)(W.u.)=1.25E-6 +20-15, α=0.0550 8
3/2- 0.31 ns 4     242.917 7 M1+E20.12 +5-70.234B(E2)(W.u.)=0.45 +45-35, B(M1)(W.u.)=0.0039 +6-5, α=0.234 4
   296.124 5/2- ≤ 0.24 ns     53.182 15 M1+E20.148 123.63B(E2)(W.u.)≥79, B(M1)(W.u.)≥0.025, α=3.63 13
5/2- ≤ 0.24 ns    120.34 4 (E2) 1.479B(E2)(W.u.)≥0.58, α=1.479 21
5/2- ≤ 0.24 ns    218.859 6 M1+E2-0.26 70.306B(E2)(W.u.)≥0.77, B(M1)(W.u.)≥0.002, α=0.306 6
5/2- ≤ 0.24 ns    248.962 7 (E1+M2)0.08 +4-70.036α=0.036 8
5/2- ≤ 0.24 ns    296.119 9 M1+E20.40 LT0.134B(M1)(W.u.)≥9.1×10-4, α=0.134 5
   297.367 1/2- 0.70 ns 8      54.415 11 M1(+E2)0.017 LT2.70B(E2)(W.u.)<1.9, B(M1)(W.u.)=0.035 +6-4, α=2.70 4
1/2- 0.70 ns 8     297.369 6 E2 0.0709B(E2)(W.u.)=2.04 +27-22, α=0.0709 10
   356.525 3/2- 0.35 ns 6      59.129 22 M1+E20.77 817.1B(E2)(W.u.)=48 +12-10, B(M1)(W.u.)=0.00060 +14-11, α=17.1 6
3/2- 0.35 ns 6      60.399 4 M1+E20.044 +14-1912.13B(E2)(W.u.)=2.8 +22-18, B(M1)(W.u.)=0.0108 +22-16, α=12.13 17
3/2- 0.35 ns 6     113.599 4 M1+E20.081 +24-331.974B(E2)(W.u.)=0.9 6, B(M1)(W.u.)=0.0036 +7-5, α=1.974 28
3/2- 0.35 ns 6     279.264 7 E2 0.0860B(E2)(W.u.)=0.57 +12-9, α=0.0860 12
3/2- 0.35 ns 6     309.4 3 (E1) 0.0172B(E1)(W.u.)=8.9E-8 +27-21, α=0.0172 3
3/2- 0.35 ns 6     356.519 12 M1+E20.84 130.0665B(E2)(W.u.)=0.32 +9-8, B(M1)(W.u.)=1.20E-4 +30-22, α=0.0665 35
E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
   372.716 7/2-       76.56 2 M1(+E2)0.3 LT6.23α=6.23 13
7/2-      129.82 4 [E2] 1.124α=1.124 16
   384.341 5/2-       11.60 2 M1 262α=262 4
5/2-       27.879 15 M1+E20.077 1224.6α=24.6 18
5/2-       86.93 1 E2 5.03α=5.03 7
5/2-       88.205 15 M1+E20.12 24.09α=4.09 6
5/2-      141.36 7 M1+E20.47 101.019α=1.019 21
5/2-      286.30 15 [M2] 0.643α=0.643 9
5/2-      307.067 11 M1(+E2)0.9 LT0.112α=0.112 14
5/2-      384.53 4 M1+E21.1 +8-50.050α=0.050 10
   477.758 5/2-      181.61 4 M1(+E2)1.2 LT0.47α=0.47 5
5/2-      234.789 22 M1(+E2)1.2 LT0.226α=0.226 33
5/2-      430.594 21 E1 0.00782α=0.00782 11
5/2-      477.791 23 M1+E21.2 40.027α=0.027 4
   507.421 1/2+ 0.70 ns 12     150.894 5 E1 0.1090B(E1)(W.u.)=8.4E-6 +18-13, α=0.1090 15
1/2+ 0.70 ns 12     210.053 7 E1 0.0458B(E1)(W.u.)=4.6E-6 +10-7, α=0.0458 6
1/2+ 0.70 ns 12     264.492 7 E1 0.0254B(E1)(W.u.)=1.53E-6 +32-23, α=0.0254 4
1/2+ 0.70 ns 12     460.263 16 E2 0.0204B(E2)(W.u.)=0.48 +10-7, α=0.0204 3
   519.144 5/2+      162.60 3 E1 0.0895α=0.0895 13
5/2+      421.179 10 E2 0.0259α=0.0259 4
5/2+      456.459 15 M1+E20.62 110.0377α=0.0377 18
5/2+      471.979 10 M1+E20.79 140.0323α=0.0323 20
   534.571 3/2+      149.65 6 E1 0.1115α=0.1115 16
3/2+      238.471 18 (E1) 0.0330α=0.0330 5
3/2+      487.399 10 M1 0.0373α=0.0373 5
3/2+      534.72 7 (E1) 0.00482α=0.00482 7
E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
   550.6 11/2- 0.25 µs 3 
% IT = 100
   314.8[E1] 0.01646B(E1)(W.u.)=5.3E-9 11, α=0.01646 24
11/2- 0.25 µs 3 
% IT = 100
   375.0(M1+E2) 0.055α=0.055 9
11/2- 0.25 µs 3 
% IT = 100
   383.7[E1] 0.01023B(E1)(W.u.)=8.9E-9 +14-11, α=0.01023 15
11/2- 0.25 µs 3 
% IT = 100
   473.7[E2] 0.0189B(E2)(W.u.)=7.8E-5 +20-17, α=0.0189 3
   589.759 3/2+       70.610 5 M1+E20.05 +4-37.77α=7.77 11
3/2+       82.33 1 M1+E20.23 LT5.01α=5.01 7
3/2+      205.402 11 E1 0.0485α=0.0485 7
3/2+      233.280 13 E1 0.0349α=0.0349 5
3/2+      346.825 11 E1 0.01301α=0.01301 18
3/2+      527.106 12 E2 0.01437α=0.01437 20
3/2+      542.622 11 M1+E20.61 170.0242α=0.0242 17
   589.882 1/2- ≤ 0.6 ns    292.410 14 (M1) 0.1428B(M1)(W.u.)≥2.7×10-4, α=0.1428 20
1/2- ≤ 0.6 ns    346.933 11 M1(+E2)0.53 LT0.086B(E2)(W.u.)≥0.0071, B(M1)(W.u.)≥3.7E-4, α=0.086 6
1/2- ≤ 0.6 ns    589.912 15 E2 0.01088B(E2)(W.u.)≥0.066, α=0.01088 15
   605.486 (3/2+)      127.69 4 [E1] 0.170α=0.170 3
(3/2+)      248.962 7 (E1+M2)0.08 +4-70.036α=0.036 8
   608.502 3/2-      224.02 8 M1 0.294α=0.294 4
3/2-      251.7 3 (M1) 0.2142α=0.2142 31
3/2-      312.327 12 M1 0.1197α=0.1197 17
3/2-      365.577 8 M1+E21.14 +25-210.056α=0.056 5
3/2-      531.243 26 E2 0.01409α=0.01409 20
3/2-      608.527 16 E2 0.01009α=0.01009 14
   745.946 1/2+ 1.00 ns 15     156.10 3 E1 0.0997B(E1)(W.u.)=1.2E-7 +6-5, α=0.0997 14
1/2+ 1.00 ns 15     156.21 3 M1 0.801B(M1)(W.u.)=1.7×10-5 +7-6, α=0.801 11
1/2+ 1.00 ns 15     238.471 18 [M1] 0.248B(M1)(W.u.)=4.3×10-5 +9-6, α=0.248 4
1/2+ 1.00 ns 15     389.404 14 E1 0.00988B(E1)(W.u.)=1.78E-6 +32-23, α=0.00988 14
1/2+ 1.00 ns 15     448.580 14 E1 0.00713B(E1)(W.u.)=6.7E-7 +12-9, α=0.00713 10
1/2+ 1.00 ns 15     698.843 16 E2 0.00730B(E2)(W.u.)=0.0135 +24-18, α=0.00730 10
E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
   853.538 3/2+      318.84 7 M1 0.1133α=0.1133 16
3/2+      334.34 10 (M1,E2) 0.075α=0.075 25
3/2+      610.616 17 (E1) 0.00363α=0.00363 5
3/2+      790.873 18 E2 0.00553α=0.00553 8
3/2+      806.372 17 M1 0.01046α=0.01046 15
   920.716 1/2-      330.777 10 M1 0.1027α=0.1027 14
1/2-      330.885 10 E1 0.01458α=0.01458 20
1/2-      413.294 23 (E1) 0.00860α=0.00860 12
1/2-      442.980 16 E2 0.02261α=0.02261 32
1/2-      537.17 3 E2 0.01371α=0.01371 19
1/2-      564.183 17 M1 0.0256α=0.0256 4
1/2-      623.39 3 M1 0.01989α=0.01989 28
1/2-      677.85 3 M1 0.01611α=0.01611 23
   962.422 3/2-      578.049 16 M1 0.02409α=0.02409 34
3/2-      605.93 3 E2 0.01020α=0.01020 14
3/2-      665.067 20 M1 0.01690α=0.01690 24
   999.853 3/2+      410.02 7 M1 0.0583α=0.0583 8
3/2+      492.41 8 (E2) 0.01711α=0.01711 24
3/2+      937.39 10 (E2) 0.00384α=0.00384 5
3/2+      952.71 3 M1 0.00694α=0.00694 10
  1103.501 3/2+      249.83 4 M1,E2 0.17α=0.17 5
3/2+      513.627 14 E1 0.00526α=0.00526 7
3/2+      513.735 14 M1 0.0325α=0.0325 5
  1289.094 3/2-      680.613 19 M1 0.01595α=0.01595 22
3/2-      932.56 4 M1 0.00731α=0.00731 10
3/2-      991.77 6 M1(+E2)0.5 +4-50.0057α=0.0057 7
3/2-     1046.07 7 M1+E20.77 +36-300.0046α=0.0046 5
3/2-     1289.04 3 M1+E21.8 +11-50.00336α=0.00336 5
E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
  1339.41 5/2-      955.28 13 M1 0.00690α=0.00690 10
5/2-     1096.47 7 (M1) 0.00493α=0.00493 7
5/2-     1262.09 9 M1 0.00353α=0.00353 5
5/2-     1339.39 6 [M1,E2] 0.0025α=0.0025 6
  1411.92 3/2+      558.74 3 M1 0.0263α=0.0263 4
3/2+      821.54 3 M1 0.00999α=0.00999 14
3/2+      892.79 7 M1 0.00814α=0.00814 11
  1416.72 3/2-      827.43 7 M1 0.00981α=0.00981 14
3/2-     1339.39 6 [E2] 1.90×10-3α=1.90×10-3 3
3/2-     1416.80 10 E2 1.73×10-3α=1.73×10-3 2
  1427.411 3/2+      573.882 12 M1+E21.2 40.017α=0.017 3
3/2+      837.646 23 M1 0.00952α=0.00952 13
3/2+      908.26 11 M1+E21.0 +22-70.0060α=0.0060 15
3/2+      920.24 8 E2 0.00399α=0.00399 6
3/2+     1043.05 4 E1 1.27×10-3α=1.27×10-3 2
3/2+     1070.80 12 [E1] 1.21×10-3α=1.21×10-3 2
3/2+     1131.26 3 E1 1.10×10-3α=1.10×10-3 2
3/2+     1184.45 3 E1 1.02×10-3α=1.02×10-3 1
3/2+     1364.75 3 E2 1.84×10-3α=1.84×10-3 3
3/2+     1380.21 3 M1 0.00288α=0.00288 4
3/2+     1427.40 4 E1 0.87×10-3α=0.87×10-3 12
  1528.12 (3/2+)     1285.22 6 (E1) 0.93×10-3α=0.93×10-3 13

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.05/2- 10.36 h 4 
% ε = 100
μ=+0.641 4 (1987OtZW,2019StZV), Q=+2.71 3 (1987OtZW,2021StZZ)
E(level): ν5/2[523],α=+1/2.
    47.1585/2+ 4.0 ns 1  E(level): ν5/2[642],α=+1/2.
    62.6727/2+   E(level): ν5/2[642],α=-1/2.
    77.2587/2- 0.96 ns 8  E(level): ν5/2[523],α=-1/2.
    97.9589/2+   E(level): ν5/2[642],α=+1/2.
   167.4(11/2+)   E(level): ν5/2[642],α=-1/2.
   175.829/2-   E(level): ν5/2[523],α=+1/2.
   237.8(13/2+)   E(level): ν5/2[642],α=+1/2.
   242.9293/2- 0.31 ns 4  μ=+0.62 21 (1978EgZY,1989Ra17,2014StZZ)
E(level): ν3/2[521] band.
   295.8(11/2-)   E(level): ν5/2[523],α=-1/2.
   296.1245/2- ≤ 0.24 ns E(level): ν3/2[521] band.
   297.3671/2- 0.70 ns 8  E(level): ν1/2[521] band.
   356.5253/2- 0.35 ns 6  E(level): ν1/2[521] band.
   372.4(15/2+)   E(level): ν5/2[642],α=-1/2.
   372.7167/2-   E(level): ν3/2[521] band.
   384.3415/2-   E(level): ν1/2[521] band.
   435.5(13/2-)   XREF: H(?).
E(level): ν5/2[523],α=+1/2.
   463.3(17/2+)   E(level): ν5/2[642],α=+1/2.
   467(9/2-)   E(level): ν3/2[521] band.
Jπ(level): From analysis of relative intensity pattern (’fingerprint’ method) in (d,p) and band assignment.
   477.7585/2-   E(level): ν5/2[512] band.
   507.4211/2+ 0.70 ns 12  E(level): Kπ=1/2+ band.
   5147/2-   E(level): ν1/2[521] band.
Jπ(level): From analysis of relative intensity pattern (’fingerprint’ method) in (d,p) and band assignment.
   519.1445/2+   E(level): Kπ=1/2+ band.
   534.5713/2+   E(level): ν3/2[402] bandhead (?).
   550.611/2- 0.25 µs 3 
% IT = 100
XREF: I(547).
E(level): ν11/2[505],α=-1/2.
E(level)Jπ(level)T1/2(level)Comments
   5737/2-   E(level): ν5/2[512] band.
   589.7593/2+   E(level): Kπ=1/2+ band.
   595.7(15/2-)   E(level): ν5/2[523],α=-1/2.
   678.4(19/2+)   E(level): ν5/2[642],α=-1/2.
   6849/2-   E(level): ν5/2[512] band.
Jπ(level): From analysis of relative intensity pattern (’fingerprint’ method) in (d,p) and band assignment.
   706.2(13/2-)   E(level): ν11/2[505],α=+1/2.
   745.9461/2+ 1.00 ns 15  XREF: I(741).
E(level): ν1/2[400] bandhead (?).
   769.4(21/2+)   E(level): ν5/2[642],α=+1/2.
   772.4(17/2-)   E(level): ν5/2[523],α=+1/2.
   82011/2-   E(level): ν5/2[512] band.
   840(1/2-,3/2-)   XREF: γ(846).
   882.4(15/2-)   E(level): ν11/2[505],α=-1/2.
   920.7161/2-   E(level): Kπ=1/2- band.
   962.4223/2-   E(level): Kπ=1/2- band.
   970.7(19/2-)   E(level): ν5/2[523],α=-1/2.
  1024(5/2-)   E(level): Kπ=1/2- band.
Jπ(level): From analysis of relative intensity pattern (’fingerprint’ method) in (d,p) and band assignment.
  10393/2-   E(level): ν1/2[530] band.
  10645/2-   E(level): ν1/2[530] band.
  1078.4(17/2-)   E(level): ν11/2[505],α=+1/2.
  1079.8(23/2+)   E(level): ν5/2[642],α=-1/2.
  1106(7/2-)   E(level): Kπ=1/2- band.
  1153.1(25/2+)   E(level): ν5/2[642],α=+1/2.
  11727/2-   E(level): ν1/2[530] band.
  1178.9(21/2-)   E(level): ν5/2[523],α=+1/2.
  1292.1(19/2-)   E(level): ν11/2[505],α=-1/2.
E(level)Jπ(level)T1/2(level)Comments
  1317.8(15/2-)   E(level): γ-vibrational band built on ν11/2[505].
  1413.5(23/2-)   E(level): ν5/2[523],α=-1/2.
  1474(3/2-)   E(level): ν3/2[512] band (?).
Jπ(level): From analysis of relative intensity pattern (’fingerprint’ method) in (d,p) and band assignment.
  1506.0(17/2-)   E(level): γ-vibrational band built on ν11/2[505].
  1521.8(21/2-)   E(level): ν11/2[505],α=+1/2.
  1539(5/2-)   E(level): ν3/2[512] band (?).
Jπ(level): From analysis of relative intensity pattern (’fingerprint’ method) in (d,p) and band assignment.
  1570.7(27/2+)   E(level): ν5/2[642],α=-1/2.
  1610.7(29/2+)   E(level): ν5/2[642],α=+1/2.
  1631(7/2-)   E(level): ν3/2[512] band (?).
Jπ(level): From analysis of relative intensity pattern (’fingerprint’ method) in (d,p) and band assignment.
  1647.8(25/2-)   E(level): ν5/2[523],α=+1/2.
  1766.6(23/2-)   E(level): ν11/2[505],α=-1/2.
  1914.6(27/2-)   E(level): ν5/2[523],α=-1/2.
  2024.8(25/2-)   E(level): ν11/2[505],α=+1/2.
  2134.2(33/2+)   E(level): ν5/2[642],α=+1/2.
  2140.5(31/2+)   E(level): ν5/2[642],α=-1/2.
  2167.8(29/2-)   E(level): ν5/2[523],α=+1/2.
  2295.8(27/2-)   E(level): ν11/2[505],α=-1/2.
  2466.6(31/2-)   E(level): ν5/2[523],α=-1/2.
  2577.7(29/2-)   E(level): ν11/2[505],α=+1/2.
  2717.2(37/2+)   E(level): ν5/2[642],α=+1/2.
  2729.8(33/2-)   E(level): ν5/2[523],α=+1/2.
  2777.7(35/2+)   E(level): ν5/2[642],α=-1/2.
  2869.8(31/2-)   E(level): ν11/2[505],α=-1/2.
  3060.6(35/2-)   E(level): ν5/2[523],α=-1/2.
  3329.8(37/2-)   E(level): ν5/2[523],α=+1/2.
E(level)Jπ(level)T1/2(level)Comments
  3354.0(41/2+)   E(level): ν5/2[642],α=+1/2.
  3467.6(39/2+)   E(level): ν5/2[642],α=-1/2.
  3690.6(39/2-)   E(level): ν5/2[523],α=-1/2.
  3971.8(41/2-)   E(level): ν5/2[523],α=+1/2.
  4042.4(45/2+)   E(level): ν5/2[642],α=+1/2.
  4193.2(43/2+)   E(level): ν5/2[642],α=-1/2.
  4360.6(43/2-)   E(level): ν5/2[523],α=-1/2.
  4664.8(45/2-)   E(level): ν5/2[523],α=+1/2.
  4784.5(49/2+)   E(level): ν5/2[642],α=+1/2.
  4946.2(47/2+)   E(level): ν5/2[642],α=-1/2.
  6650.21/2,3/2   S(n)(165Er)=6650.1 6 (2021Wa16).
    15.49E3   IAS in 165Er.
     X(19/2-)   E(level): Kπ=(19/2-) band.
   101.8+X(21/2-)   E(level): Kπ=(19/2-) band.
   242.0+X(23/2-)   E(level): Kπ=(19/2-) band.
   410.8+X(25/2-)   E(level): Kπ=(19/2-) band.
   603.3+X(27/2-)   Magnitude of gK-gR=0.31 +5-3.
E(level): Magnitude of gK-gR=0.31 +5-3. Kπ=(19/2-) band.
   816.5+X(29/2-)   Magnitude of gK-gR=0.33 +10-7.
E(level): Kπ=(19/2-) band.
  1049.3+X(31/2-)   Magnitude of gK-gR=0.39 +5-4.
E(level): Kπ=(19/2-) band.
  1298.6+X(33/2-)   Magnitude of gK-gR=0.33 +6-5.
E(level): Kπ=(19/2-) band.
  1564.9+X(35/2-)   Magnitude of gK-gR=0.31 7.
E(level): Kπ=(19/2-) band.
     Y(19/2+)   E(level): Band based on (19/2+).
   188.7+Y(21/2+)   E(level): Band based on (19/2+).
   393.8+Y(23/2+)   E(level): Band based on (19/2+).
   615.0+Y(25/2+)   E(level): Band based on (19/2+).
E(level)Jπ(level)T1/2(level)Comments
   852.0+Y(27/2+)   E(level): Band based on (19/2+).
  1103.3+Y(29/2+)   E(level): Band based on (19/2+).
  1368.7+Y(31/2+)   E(level): Band based on (19/2+).

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Additional Gamma Comments:

E(level)E(gamma)Comments
   167.4    69.4M(γ): from γ(θ) in (α,xnγ)
   296.124   248.962E(γ): Multiply placed with undivided intensity
I(γ): Multiply placed with undivided intensity
   384.341    27.879E(γ): poor fit in the level scheme
    86.93E(γ): poor fit in the level scheme
   435.5   259.6E(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
I(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
   268.1E(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
I(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
   595.7   300E(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
I(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
   357.5E(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
I(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
   605.486   248.962E(γ): Multiply placed with undivided intensity
I(γ): Multiply placed with undivided intensity
   605.93E(γ): Multiply placed with undivided intensity
I(γ): Multiply placed with undivided intensity
   608.502   312.327E(γ): poor fit in the level scheme
   772.4   336.9E(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
I(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
   400.0E(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
I(γ): from (9Be,4nγ):E=42,45 MeV and/or E=57 MeV
   882.4   175.8E(γ): Multiply placed with undivided intensity
I(γ): Multiply placed with undivided intensity
   962.422   605.93E(γ): Multiply placed with undivided intensity
I(γ): Multiply placed with undivided intensity
  1078.4   195.6E(γ): Multiply placed with undivided intensity
I(γ): Multiply placed with undivided intensity
  1103.501   141.36E(γ): poor fit in the level scheme
   719.58E(γ): poor fit in the level scheme
  1339.41   749.01E(γ): γ to 589.927 and/or 589.773

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