ADOPTED LEVELS, GAMMAS for 175Tm

Author: Jin Wu |  Citation: Nucl. Data Sheets 206, 1 (2025) |  Cutoff date: 29-Oct-2024 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=2390 keV 50S(n)= 6520 keV 70S(p)= 7650 keV SYQ(α)= -220 keV 600
Reference: 2021WA16

References:
  A  175Er β- decay  B  176Yb(pol t,α)
  C  176Yb(136Xe,xγ) 








E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0.0ABC (1/2+) 15.2 min 5 
% β- = 100
     
     0.1 10 A C (3/2+)        
   127.0 10 ABC (5/2+)     126.9 3 
  127 1 
  100 11 
 


     0.1
     0.0
(3/2+)
(1/2+)
   129.0 10 A C (7/2+)     128.8 2 
  100

     0.1
(3/2+)
   352.7 11 ABC (9/2+)     224 1 
  226 1 
  100 72 
  100 72 


   129.0
   127.0
(7/2+)
(5/2+)
   358.5 11   C (11/2+)     229.5 2 
  100

   129.0
(7/2+)
   440.0 10 ABC (7/2-) 319 ns 35     87.4 4 
  311.0 2 
  313.0 2 
  440 1 
    1.8 12 
  100 11 
   74 8 
    1.8 11 
E1
E1
E1
M2
   352.7
   129.0
   127.0
     0.1
(9/2+)
(7/2+)
(5/2+)
(3/2+)
   532.0 10 ABC (9/2-)      91.9 2 
  100

   440.0
(7/2-)
   611 B  (3/2+)        
   646.1 10  BC (11/2-)     114.1 1 
  206.2 2 
  100 13 
   11.1 21 
(M1+E2)

   532.0
   440.0
(9/2-)
(7/2-)
   672 B  (5/2+)        
   674.5 12   C (13/2+)     316 1 
  322 1 
 
 


   358.5
   352.7
(11/2+)
(9/2+)
   685.2 11   C (15/2+)     326.7 3 
  100

   358.5
(11/2+)
   756 B  (7/2+)        
   782.9 10   C (13/2-)     136.8 1 
  250.9 2 
  100 12 
   25 4 
(M1+E2)

   646.1
   532.0
(11/2-)
(9/2-)
   870 B  (9/2+)        
   941.5 10  BC (15/2-)     158.6 2 
  295.4 2 
  100 16 
   47 11 
(M1+E2)

   782.9
   646.1
(13/2-)
(11/2-)
   946.7 10   C (15/2-) 44.4 ns 21      5.2S
  163.8 1 
  300.6 1 
   <0.023
  100 7 
   44.7 32 
(M1)
M1
E2
   941.5
   782.9
   646.1
(15/2-)
(13/2-)
(11/2-)
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
  1004.8 12  BC (17/2-)      58.2 6 
  100
(M1+E2)
   946.7
(15/2-)
  1072 B         
  1083.3 13   C (17/2+)     398 1 
  409 1 
 
 


   685.2
   674.5
(15/2+)
(13/2+)
  1103.6 12   C (19/2+)     418.4 4 
 

   685.2
(15/2+)
  1123.1 11   C (17/2-)     181.6 3 
  340.2 3 
 
 
(M1+E2)

   941.5
   782.9
(15/2-)
(13/2-)
  1146 B  (7/2+,3/2+)        
  1174.8 12 A C (9/2-)     643 1 
  735 1 
 
 


   532.0
   440.0
(9/2-)
(7/2-)
  1196.0 12   C (19/2-)     191.2 1 
  249 1 
  100 9 
    1.1 6 


  1004.8
   946.7
(17/2-)
(15/2-)
  1212 B  (7/2-,5/2+)        
  1323.7 11   C (19/2-)     200.5 5 
  382.2 4 
 
 
(M1+E2)

  1123.1
   941.5
(17/2-)
(15/2-)
  1374.5 11  B  (7/2+)        
  1409.4 12   C (21/2-)     213.4 1 
  404.6 2 
  100 8 
   15.0 19 
(M1+E2)

  1196.0
  1004.8
(19/2-)
(17/2-)
  1423 B  (5/2+)        
  1433.3 11 A C     259 1 
  993.3 3 
 
 


  1174.8
   440.0
(9/2-)
(7/2-)
  1495 B  (7/2-,5/2+)        
  1517.7 12   C (23/2+) 21 µs 14    108.3 1 
  321.7 2 
  513 1 
  100 6 
    5.3 10 
    1.2 7 
E1
[M2]
[E3]
  1409.4
  1196.0
  1004.8
(21/2-)
(19/2-)
(17/2-)
  1583 B         
  1606.0 12   C (23/2+)     502.4 4 
  100

  1103.6
(19/2+)
  1644.5 12   C (23/2-)     235.1 3 
  448.5 3 
 
 
(M1+E2)

  1409.4
  1196.0
(21/2-)
(19/2-)
  1706 B  (5/2+)        
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
  1744 B         
  1810 B  (7/2+)        
  1900.0 12   C (25/2-)     255.5 4 
  490.6 4 
 
 
(M1+E2)

  1644.5
  1409.4
(23/2-)
(21/2-)
  1916 B  (7/2-)        
  1985 B  (5/2+)        
  2013 B         
  2056 B         
  2095 B  (11/2-)        
  2123.9 11 A C     690.6 3 
  100

  1433.3

  2176.3 14   C (27/2-)     276 1 
  532 1 
 
 
(M1+E2)

  1900.0
  1644.5
(25/2-)
(23/2-)
  2216 B         
  2310 B         

E(level): From a least-squares fit to Eγ’s

Jπ(level): From band structure, unless otherwise noted.

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Band Transitions:

E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - π1/2[411] band
     0.0 (1/2+) 15.2 min 5 
% β- = 100
     
     0.1 10  (3/2+)        
   127.0 10  (5/2+)     126.9 3 
  127 1 
  100 11 
 


     0.1
     0.0
(3/2+)
(1/2+)
   129.0 10  (7/2+)     128.8 2 
  100

     0.1
(3/2+)
   352.7 11  (9/2+)     224 1 
  226 1 
  100 72 
  100 72 


   129.0
   127.0
(7/2+)
(5/2+)
   358.5 11  (11/2+)     229.5 2 
  100

   129.0
(7/2+)
   674.5 12  (13/2+)     316 1 
  322 1 
 
 


   358.5
   352.7
(11/2+)
(9/2+)
   685.2 11  (15/2+)     326.7 3 
  100

   358.5
(11/2+)
  1083.3 13  (17/2+)        
  1103.6 12  (19/2+)     418.4 4 
 

   685.2
(15/2+)
  1606.0 12  (23/2+)        
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - π7/2[523] band
   440.0 10  (7/2-) 319 ns 35       
   532.0 10  (9/2-)        
   646.1 10  (11/2-)     114.1 1 
  206.2 2 
  100 13 
   11.1 21 
(M1+E2)

   532.0
   440.0
(9/2-)
(7/2-)
   782.9 10  (13/2-)     136.8 1 
  250.9 2 
  100 12 
   25 4 
(M1+E2)

   646.1
   532.0
(11/2-)
(9/2-)
   941.5 10  (15/2-)     158.6 2 
  295.4 2 
  100 16 
   47 11 
(M1+E2)

   782.9
   646.1
(13/2-)
(11/2-)
  1123.1 11  (17/2-)     181.6 3 
  340.2 3 
 
 
(M1+E2)

   941.5
   782.9
(15/2-)
(13/2-)
  1323.7 11  (19/2-)     200.5 5 
  382.2 4 
 
 
(M1+E2)

  1123.1
   941.5
(17/2-)
(15/2-)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - Likely ΔJ=1 Band based on (17/2-) according to the || gK
  1004.8 12  (17/2-)        
  1196.0 12  (19/2-)        
  1409.4 12  (21/2-)     213.4 1 
  404.6 2 
  100 8 
   15.0 19 
(M1+E2)

  1196.0
  1004.8
(19/2-)
(17/2-)
  1644.5 12  (23/2-)     235.1 3 
  448.5 3 
 
 
(M1+E2)

  1409.4
  1196.0
(21/2-)
(19/2-)
  1900.0 12  (25/2-)     255.5 4 
  490.6 4 
 
 
(M1+E2)

  1644.5
  1409.4
(23/2-)
(21/2-)
  2176.3 14  (27/2-)     276 1 
  532 1 
 
 
(M1+E2)

  1900.0
  1644.5
(25/2-)
(23/2-)
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - 3/2+[411] band
   611 (3/2+)        
   672 (5/2+)        
   756 (7/2+)     
   870 (9/2+)     
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 5 - 5/2+[413] band
  1706 (5/2+)        
  1810 (7/2+)        
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 6 - 5/2[532] band
  1916 (7/2-)        
  2095 (11/2-)        

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Additional Gamma Data:















E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityMixing
Ratio		Conversion
Coefficient		Additional Data
   440.0 (7/2-) 319 ns 35     87.4 4 E1 0.475B(E1)(W.u.)=1.0E-8 +7-5, α=0.475 9, α(K)=0.392 7, α(L)=0.0651 12, α(M)=0.01452 28, α(N)=0.00332 6, α(O)=0.000436 8, α(P)=1.715E-5 31
(7/2-) 319 ns 35    311.0 2 E1 0.01759B(E1)(W.u.)=1.24E-8 +18-15, α=0.01759 25, α(K)=0.01483 21, α(L)=0.002158 30, α(M)=0.000478 7, α(N)=0.0001109 16, α(O)=1.549E-5 22, α(P)=7.61E-7 11
(7/2-) 319 ns 35    313.0 2 E1 0.01732B(E1)(W.u.)=9.0E-9 +14-12, α=0.01732 24, α(K)=0.01460 21, α(L)=0.002123 30, α(M)=0.000470 7, α(N)=0.0001092 15, α(O)=1.525E-5 21, α(P)=7.50E-7 11
(7/2-) 319 ns 35    440 1 M2 0.1758B(M2)(W.u.)=0.0019 +12-10, α=0.1758 28, α(K)=0.1431 22, α(L)=0.0253 4, α(M)=0.00576 9, α(N)=0.001352 21, α(O)=0.0001927 31, α(P)=1.002×10-5 16
   646.1 (11/2-)     114.1 1 (M1+E2)0.17 32.118α=2.118 30, α(K)=1.752 27, α(L)=0.285 7, α(M)=0.0641 18, α(N)=0.0150 4, α(O)=0.00212 5, α(P)=0.0001070 17
   782.9 (13/2-)     136.8 1 (M1+E2)0.16 21.261α=1.261 18, α(K)=1.048 15, α(L)=0.1657 27, α(M)=0.0371 6, α(N)=0.00867 15, α(O)=0.001233 19, α(P)=6.40×10-5 10
   941.5 (15/2-)     158.6 2 (M1+E2)0.17 50.828α=0.828 13, α(K)=0.690 12, α(L)=0.1080 23, α(M)=0.0242 6, α(N)=0.00565 13, α(O)=0.000805 15, α(P)=4.21×10-5 8
   946.7 (15/2-) 44.4 ns 21      5.2(M1) 701α=701 10, α(M)=552 8, α(N)=129.3 18, α(O)=18.49 26, α(P)=0.993 14
(15/2-) 44.4 ns 21    163.8 1 M1 0.763B(M1)(W.u.)=4.86×10-5 +44-10, α=0.763 11, α(K)=0.640 9, α(L)=0.0963 14, α(M)=0.02145 30, α(N)=0.00502 7, α(O)=0.000722 10, α(P)=3.92E-5 6
(15/2-) 44.4 ns 21    300.6 1 E2 0.0710B(E2)(W.u.)=0.0172 +23-10, α=0.0710 10, α(K)=0.0514 7, α(L)=0.01515 21, α(M)=0.00357 5, α(N)=0.000820 12, α(O)=0.0001042 15, α(P)=2.63E-6 4
  1004.8 (17/2-)      58.2 6 (M1+E2)0.37 +16-215.3α=5.3 23, α(L)=4.1 18, α(M)=1.0 4, α(N)=0.22 10, α(O)=0.028 11, α(P)=0.00069 7
  1123.1 (17/2-)     181.6 3 (M1+E2)0.17 40.566α=0.566 9, α(K)=0.472 8, α(L)=0.0731 12, α(M)=0.01635 28, α(N)=0.00382 7, α(O)=0.000546 9, α(P)=2.88×10-5 5
  1323.7 (19/2-)     200.5 5 (M1+E2)0.14 40.431α=0.431 7, α(K)=0.361 6, α(L)=0.0550 9, α(M)=0.01228 20, α(N)=0.00287 5, α(O)=0.000411 7, α(P)=2.20×10-5 4
  1409.4 (21/2-)     213.4 1 (M1+E2)0.31 40.352α=0.352 6, α(K)=0.292 6, α(L)=0.0469 7, α(M)=0.01053 16, α(N)=0.00246 4, α(O)=0.000348 5, α(P)=1.77×10-5 4
  1517.7 (23/2+) 21 µs 14    108.3 1 E1 0.270B(E1)(W.u.)=6E-9 +7-3, α=0.270 4, α(K)=0.2243 32, α(L)=0.0359 5, α(M)=0.00800 11, α(N)=0.001836 26, α(O)=0.0002446 35, α(P)=1.011E-5 14
(23/2+) 21 µs 14    321.7 2 [M2] 0.474B(M2)(W.u.)=5×10-4 +6-2, α=0.474 7, α(K)=0.381 5, α(L)=0.0723 10, α(M)=0.01662 24, α(N)=0.00390 6, α(O)=0.000553 8, α(P)=2.82E-5 4
(23/2+) 21 µs 14    513 1 [E3] 0.0465B(E3)(W.u.)=0.030 +42-18, α=0.0465 7, α(K)=0.0321 5, α(L)=0.01104 18, α(M)=0.00264 4, α(N)=0.000609 10, α(O)=7.81E-5 12, α(P)=2.000E-6 30
  1644.5 (23/2-)     235.1 3 (M1+E2)0.30 130.270α=0.270 10, α(K)=0.224 10, α(L)=0.0354 6, α(M)=0.00794 15, α(N)=0.001855 34, α(O)=0.000263 4, α(P)=1.36×10-5 7
  1900.0 (25/2-)     255.5 4 (M1+E2)0.29 260.215α=0.215 17, α(K)=0.179 17, α(L)=0.0280 4, α(M)=0.00626 11, α(N)=0.001462 24, α(O)=0.000208 4, α(P)=1.09×10-5 12
  2176.3 (27/2-)     276 1 (M1+E2)0.21 100.178α=0.178 5, α(K)=0.149 5, α(L)=0.0226 4, α(M)=0.00504 9, α(N)=0.001178 20, α(O)=0.0001687 32, α(P)=9.01×10-6 31

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.0(1/2+) 15.2 min 5 
% β- = 100
E(level): π1/2[411] band.
     0.1(3/2+)   E(level): π1/2[411] band.
   127.0(5/2+)   E(level): π1/2[411] band.
   129.0(7/2+)   E(level): π1/2[411] band.
   352.7(9/2+)   E(level): π1/2[411] band.
   358.5(11/2+)   E(level): π1/2[411] band.
   440.0(7/2-) 319 ns 35  E(level): π7/2[523] band.
   532.0(9/2-)   E(level): π7/2[523] band.
   611(3/2+)   E(level): 3/2+[411] band. from (pol t,α).
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
   646.1(11/2-)   E(level): π7/2[523] band.
   672(5/2+)   E(level): 3/2+[411] band. from (pol t,α).
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
   674.5(13/2+)   E(level): π1/2[411] band.
   685.2(15/2+)   E(level): π1/2[411] band.
   756(7/2+)   E(level): 3/2+[411] band. from (pol t,α).
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
   782.9(13/2-)   E(level): π7/2[523] band.
   870(9/2+)   E(level): 3/2+[411] band. from (pol t,α).
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
   941.5(15/2-)   E(level): π7/2[523] band.
  1004.8(17/2-)   E(level): Likely ΔJ=1 Band based on (17/2-) according to the || gK.
  1072   E(level): from (pol t,α).
  1083.3(17/2+)   E(level): π1/2[411] band.
  1103.6(19/2+)   E(level): π1/2[411] band.
  1123.1(17/2-)   E(level): π7/2[523] band.
  1146(7/2+,3/2+)   E(level): from (pol t,α).
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
  1196.0(19/2-)   E(level): Likely ΔJ=1 Band based on (17/2-) according to the || gK.
  1212(7/2-,5/2+)   E(level): from (pol t,α).
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
E(level)Jπ(level)T1/2(level)Comments
  1323.7(19/2-)   E(level): π7/2[523] band.
  1374.5(7/2+)   (7/2+,3/2+) from comparison with DWBA calculation in (pol t,α); feeding from parent 175Er with Jπ = (9/2+) in 175Er β- decay.
E(level): (7/2+,3/2+) from comparison with DWBA calculation in (pol t,α); feeding from parent 175Er with Jπ = (9/2+) in 175Er β- decay.
  1409.4(21/2-)   E(level): Likely ΔJ=1 Band based on (17/2-) according to the || gK.
  1423(5/2+)   Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
  1495(7/2-,5/2+)   E(level): from (pol t,α).
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
  1583   E(level): from (pol t,α).
  1606.0(23/2+)   E(level): π1/2[411] band.
  1644.5(23/2-)   E(level): Likely ΔJ=1 Band based on (17/2-) according to the || gK.
  1706(5/2+)   E(level): 5/2+[413] band.
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
  1744   E(level): from (pol t,α).
  1810(7/2+)   E(level): 5/2+[413] band.
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
  1900.0(25/2-)   E(level): Likely ΔJ=1 Band based on (17/2-) according to the || gK.
  1916(7/2-)   E(level): 5/2[532] band.
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
  1985(5/2+)   E(level): from (pol t,α).
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
  2013   E(level): from (pol t,α).
  2056   E(level): from (pol t,α).
  2095(11/2-)   E(level): 5/2[532] band.
Jπ(level): Comparison with DWBA calculations permitted spin and parity assignments of rotational bands in (pol t,α).
  2176.3(27/2-)   E(level): Likely ΔJ=1 Band based on (17/2-) according to the || gK.
  2216   E(level): from (pol t,α).
  2310   E(level): from (pol t,α).

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Additional Gamma Comments:

E(level)E(gamma)Comments
   127.0   126.9I(γ): Total intensity for the doublet of 126.9 and 127
   129.0   128.8E(γ): from (136Xe,Xγ). Other: 128.5 6 from 175Er β- decay
   440.0    87.4M(γ): from (136Xe,Xγ)
   311.0M(γ): from (136Xe,Xγ)
   313.0M(γ): from (136Xe,Xγ)
   440M(γ): from (136Xe,Xγ)
   946.7     5.2M(γ): from (136Xe,Xγ)
   163.8M(γ): from (136Xe,Xγ)
   300.6M(γ): from (136Xe,Xγ)
  1004.8    58.2M(γ): from (136Xe,Xγ)
  1517.7   108.3M(γ): from (136Xe,Xγ)

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