ADOPTED LEVELS, GAMMAS for 188W

Authors: F.G. Kondev, S. Juutinen, D.J. Hartley |  Citation: Nucl. Data Sheets 150, 1 (2018) |  Cutoff date: 1-Feb-2018 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=349 keV 3S(n)= 6835 keV 3S(p)= 9061 keV 56Q(α)= 407 keV 40
Reference: 2017Wa10

References:
  A  188Ta β- decay  B  186W(t,p)
  C  186W(18O,16OG)  D  192Os(82Se,xγ)
  E  186W(136Xe,xγ)  F  186W(7Li,αpγ)








E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0ABCDEF 0+ 69.78 d 12 
% β- = 100
     
   143.16 8 ABCDEF 2+ 0.87 ns 12     142.9 1 
  100
E2
     0
0+
   439.49 13 ABCDEF 4+      296.3 1 
  100
E2
   143.16
2+
   628.14 8  BC  F 2+      484.7 1 
   628.4 1 
   84 12 
  100 28 
(M1+E2)
(E2)
   143.16
     0
2+
0+
   780 2  B            
   854.13 21   C  F (0+,2,4+)      711.0 2 
  100
D,E2
   143.16
2+
   871.10 16 A CDEF 6+      431.6 1 
  100
E2
   439.49
4+
   886 10  B     (0+)        
   939.23 21   C    4+      311.3 5 
   499.7 2 
   796.5 10 
   43 14 
  100 14 
   57 28 


E2
   628.14
   439.49
   143.16
2+
4+
2+
   979.37 13   C EF 2(-)      351.2 1 
   838 1 
  100
 
(E1)

   628.14
   143.16
2+
2+
  1070.7 4  BC E  3(-)       91 1 
   442.5 10 
   630.2 10 
   928.0 5 
  <14
   43 14 
   29 14 
  100 28 



(E1)
   979.37
   628.14
   439.49
   143.16
2(-)
2+
4+
2+
  1193.77 16   C E  4(-)      214.4 1 
  100
E2
   979.37
2(-)
  1228.9 5  BC    2+,3,4+      375.0 5 
   600.6 10 
   788.8 10 
  100 20 
   40 20 
  ≈20



   854.13
   628.14
   439.49
(0+,2,4+)
2+
4+
  1341.7 5 A C E  5(-)      148 1 
   271.6 10 
   469.4 10 
   903.0 10 
 
   67 33 
   67 33 
  100 33 



(E1)
  1193.77
  1070.7
   871.10
   439.49
4(-)
3(-)
6+
4+
  1425.15 25   C E  8+      554.0 2 
  100
E2
   871.10
6+
  1437 5  B            
  1473 10  B            
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
  1533.77 19   C E  6(-)      340.0 1 
   662.5 10 
  100 25 
  ≈25
(E2)

  1193.77
   871.10
4(-)
6+
  1538.2 4   C    (5+)      344.3 4 
   599.3 10 
   667.5 10 
  1099.0 10 
   67 33 
   67 33 
  ≈33
  100 33 




  1193.77
   939.23
   871.10
   439.49
4(-)
4+
6+
4+
  1544 5  B            
  1721 5  B            
  1728.7 5     E  7(-)      195 1 
   303 1 
   387 1 
   858 1 
 
 
 
 




  1533.77
  1425.15
  1341.7
   871.10
6(-)
8+
5(-)
6+
  1742.7 5 A   E  7(-)       14S
   209 1 
   317 1 
   401 1 
   872 1 
 
 
 
 
 





  1728.7
  1533.77
  1425.15
  1341.7
   871.10
7(-)
6(-)
8+
5(-)
6+
  1816 10  B            
  1897 5  B            
  1915 5  B            
  1926.7 8 A   E  8- 109.5 ns 35     184 1 
   198 1 
  100 2 
    1.9 7 
M1
[M1]
  1742.7
  1728.7
7(-)
7(-)
  1960 10  B     (0+)        
  1994 10  B            
  2028 5  B            
  2104 5  B            
  2175 5  B            
  2264 5  B            
  2274.4 12     E  (9-)      348 1 
 

  1926.7
8-
  2314 5  B            
E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
  2394 5  B            
  2427 10  B            
  2665.9 12     E  (10-)      392 1 
   739 1 
 
 


  2274.4
  1926.7
(9-)
8-
  3086.7 13     E  (11-)      421 1 
   812 1 
 
 


  2665.9
  2274.4
(10-)
(9-)

E(level): From a least-squares fit to Eγ’s, unless otherwise stated.

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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=0+, GS band
     0 0+ 69.78 d 12 
% β- = 100
     
   143.16 8  2+ 0.87 ns 12     142.9 1 
  100
E2
     0
0+
   439.49 13  4+      296.3 1 
  100
E2
   143.16
2+
   871.10 16  6+      431.6 1 
  100
E2
   439.49
4+
  1425.15 25  8+        
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - Kπ=2+, γ-vibrational band
   628.14 8  2+        
   939.23 21  4+      311.3 5 
   499.7 2 
   796.5 10 
   43 14 
  100 14 
   57 28 


E2
   628.14
   439.49
   143.16
2+
4+
2+
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 3 - Kπ=2-, octupole band
   979.37 13  2(-)        
  1070.7 4  3(-)       91 1 
   442.5 10 
   630.2 10 
   928.0 5 
  <14
   43 14 
   29 14 
  100 28 



(E1)
   979.37
   628.14
   439.49
   143.16
2(-)
2+
4+
2+
  1193.77 16  4(-)      214.4 1 
  100
E2
   979.37
2(-)
  1341.7 5  5(-)      148 1 
   271.6 10 
   469.4 10 
   903.0 10 
 
   67 33 
   67 33 
  100 33 



(E1)
  1193.77
  1070.7
   871.10
   439.49
4(-)
3(-)
6+
4+
  1533.77 19  6(-)        
  1728.7 5  7(-)      195 1 
   303 1 
   387 1 
   858 1 
 
 
 
 




  1533.77
  1425.15
  1341.7
   871.10
6(-)
8+
5(-)
6+
E(level)
(keV)		Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 4 - Kπ=8-, π7/2[404]~#π9/2[514] band
  1926.7 8  8- 109.5 ns 35       
  2274.4 12  (9-)      348 1 
 

  1926.7
8-
  2665.9 12  (10-)      392 1 
   739 1 
 
 


  2274.4
  1926.7
(9-)
8-
  3086.7 13  (11-)      421 1 
   812 1 
 
 


  2665.9
  2274.4
(10-)
(9-)

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Additional Gamma Data:













E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityConversion
Coefficient		Additional Data
   143.16 2+ 0.87 ns 12     142.9 1 E21.001B(E2)(W.u.)=85 12, α=1.001, α(K)=0.406 6, α(L)=0.451 7, α(M)=0.1134 17, α(N)=0.0268 4, α(O)=0.00371 6, α(P)=3.05E-5 5
   439.49 4+      296.3 1 E20.0882α=0.0882, α(K)=0.0589 9, α(L)=0.0224 4, α(M)=0.00546 8, α(N)=0.001297 19, α(O)=0.000188 3, α(P)=5.04×10-6 7
   628.14 2+      484.7 1 (M1+E2)0.042α=0.042 20, α(K)=0.034 17, α(L)=0.0060 19, α(M)=0.0014 4, α(N)=0.00033 10, α(O)=5.3×10-5 18, α(P)=3.3E-6 18
2+      628.4 1 (E2)0.01216α=0.01216, α(K)=0.00960 14, α(L)=0.00197 3, α(M)=0.000461 7, α(N)=0.0001101 16, α(O)=1.707×10-5 24, α(P)=8.87E-7 13
   871.10 6+      431.6 1 E20.0306α=0.0306, α(K)=0.0227 4, α(L)=0.00602 9, α(M)=0.001441 21, α(N)=0.000343 5, α(O)=5.15×10-5 8, α(P)=2.05E-6 3
   939.23 4+      796.5 10 E20.00721α=0.00721, α(K)=0.00583 9, α(L)=0.001064 16, α(M)=0.000246 4, α(N)=5.90×10-5 9, α(O)=9.29E-6 14, α(P)=5.41E-7 8
   979.37 2(-)      351.2 1 (E1)0.01573α=0.01573, α(K)=0.01315 19, α(L)=0.00200 3, α(M)=0.000453 7, α(N)=0.0001081 16, α(O)=1.722×10-5 25, α(P)=1.096E-6 16
  1070.7 3(-)      928.0 5 (E1)0.00205α=0.00205, α(K)=0.001733 25, α(L)=0.000247 4, α(M)=5.54×10-5 8, α(N)=1.330E-5 19, α(O)=2.16E-6 3, α(P)=1.519E-7 22
  1193.77 4(-)      214.4 1 E20.245α=0.245, α(K)=0.1399 20, α(L)=0.0795 12, α(M)=0.0197 3, α(N)=0.00467 7, α(O)=0.000662 10, α(P)=1.123×10-5 16
  1341.7 5(-)      903.0 10 (E1)0.00216α=0.00216, α(K)=0.00182 3, α(L)=0.000260 4, α(M)=5.84×10-5 9, α(N)=1.401E-5 20, α(O)=2.28E-6 4, α(P)=1.597E-7 23
  1425.15 8+      554.0 2 E20.01634α=0.01634, α(K)=0.01269 18, α(L)=0.00280 4, α(M)=0.000661 10, α(N)=0.0001579 23, α(O)=2.42×10-5 4, α(P)=1.166E-6 17
  1533.77 6(-)      340.0 1 (E2)0.0589α=0.0589, α(K)=0.0412 6, α(L)=0.01355 19, α(M)=0.00328 5, α(N)=0.000781 11, α(O)=0.0001148 17, α(P)=3.60×10-6 5
  1926.7 8- 109.5 ns 35     184 1 M10.841B(M1)(W.u.)=1.72×10-5 7, α=0.841 18, α(K)=0.699 15, α(L)=0.1103 23, α(M)=0.0251 6, α(N)=0.00605 13, α(O)=0.000987 21, α(P)=7.03E-5 15
8- 109.5 ns 35     198 1 [M1]0.686B(M1)(W.u.)=2.6×10-7 10, α=0.686 14, α(K)=0.570 12, α(L)=0.0898 18, α(M)=0.0204 4, α(N)=0.00492 10, α(O)=0.000804 16, α(P)=5.73E-5 12

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     00+ 69.78 d 12 
% β- = 100
E(level): Kπ=0+, GS band.
   143.162+ 0.87 ns 12  E(level): Kπ=0+, GS band.
   439.494+   XREF: B(442).
E(level): Kπ=0+, GS band.
   628.142+   XREF: B(630).
E(level): Kπ=2+, γ-vibrational band.
   780   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   871.106+   E(level): Kπ=0+, GS band.
   886(0+)   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   939.234+   E(level): Kπ=2+, γ-vibrational band.
   979.372(-)   E(level): Kπ=2-, octupole band.
  1070.73(-)   XREF: B(1073).
E(level): Kπ=2-, octupole band.
  1193.774(-)   E(level): Kπ=2-, octupole band.
  1228.92+,3,4+   XREF: B(1233).
  1341.75(-)   E(level): Kπ=2-, octupole band.
  1425.158+   E(level): Kπ=0+, GS band.
  1437   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  1473   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  1533.776(-)   E(level): Kπ=2-, octupole band.
  1544   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  1721   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  1728.77(-)   E(level): Kπ=2-, octupole band.
  1816   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  1897   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  1915   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  1926.78- 109.5 ns 35  E(level): Kπ=8-, π7/2[404]~#π9/2[514] band.
  1960(0+)   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
E(level)Jπ(level)T1/2(level)Comments
  1994   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  2028   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  2104   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  2175   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  2264   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  2274.4(9-)   E(level): Kπ=8-, π7/2[404]~#π9/2[514] band.
  2314   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  2394   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  2427   E(level): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  2665.9(10-)   E(level): Kπ=8-, π7/2[404]~#π9/2[514] band.
  3086.7(11-)   E(level): Kπ=8-, π7/2[404]~#π9/2[514] band.

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Additional Gamma Comments:

E(level)E(gamma)Comments
   143.16   142.9M(γ): R(asym)=1.13 3 (2006Sh23)
   439.49   296.3M(γ): R(asym)=1.67 3 (2006Sh23)
   628.14   484.7M(γ): R(asym)=0.70 3 (2006Sh23)
   628.4M(γ): R(asym)=1.00 5 (2006Sh23)
   854.13   711.0M(γ): R(asym)=1.00 4 (2006Sh23), suggests d (ΔJ=0) or E2 transition.
   871.10   431.6M(γ): R(asym)=1.91 8 (2006Sh23)
   939.23   796.5M(γ): R(asym)=1.73 12 (2006Sh23)
   979.37   351.2M(γ): R(asym)=1.21 8; ΔJ=0 transition (2006Sh23) and the adopted level scheme
   838E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  1070.7   928.0M(γ): R(asym)=0.64 3 (2006Sh23) and the adopted level scheme
  1193.77   214.4M(γ): R(asym)=1.27 18 (2006Sh23)
  1341.7   148E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   903.0M(γ): R(asym)=0.81 5 (2006Sh23) and the adopted level scheme
  1425.15   554.0M(γ): R(asym)=2.05 20 (2006Sh23)
  1533.77   340.0M(γ): R(asym)=1.03 11
  1728.7   195E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   303E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   387E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   858E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  1742.7    14E(γ): Not observed but inferred from coincidence relationships (2010La16). From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   209E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   317E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   401E(γ): Also seen in 188Ta β- decay, but not placed in the level scheme. From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   872E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  1926.7   184E(γ): Also seen in 188Ta β- decay, but not placed in the level scheme. From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
I(γ): From 186W(136Xe,Xγ)
M(γ): From αT(exp)=0.77 6 in 2010La16
   198E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
I(γ): From 186W(136Xe,Xγ)
E(level)E(gamma)Comments
  2274.4   348E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  2665.9   392E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   739E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
  3086.7   421E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.
   812E(γ): From 186W(t,p). From 186W(136Xe,Xγ) (2010La16). Eγ uncertainty was assigned by the evaluator.

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