ADOPTED LEVELS, GAMMAS for 240U

Authors: Balraj Singh, E. Browne |  Citation: Nucl. Data Sheets 109, 2439 (2008) |  Cutoff date: 31-Jul-2008 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=399 keV 18S(n)= 5929 keV 5S(p)= 7.91×103 keV SYQ(α)= 4036 keV 15
Reference: 2012WA38

References:
  A  244Pu α decay (8.11×107 Y)  B  238U(t,p)
  C  238U(18O,16OG) 

General Comments:

Other reactions:

238U(184W,182W): 1983Hi09

Q-value: Note: Current evaluation has used the following Q record

Q-value: ΔS(p)=ΔQ(α)=200 (syst,2003Au03)










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0ABC 0+ 14.1 h 1 
% β- = 100
     
    45 1 ABC (2+)      45 1 S
 
[E2]
     0
0+
   150.60 10  BC (4+)     105.6 1 
  100
[E2]
    45
(2+)
   313.19 14   C (6+)     162.6 1 
  100
[E2]
   150.60
(4+)
   528.69 18   C (8+)     215.5 1 
  100
[E2]
   313.19
(6+)
   792.9 3   C (10+)     264.1 2 
  100
[E2]
   528.69
(8+)
   847.0 4   C (3-)     696.4 5 
  801.9 5 
   85 19 
  100 19 


   150.60
    45
(4+)
(2+)
   944.7 3   C (5-)     631.6 5 
  794.0 3 
   63 12 
  100 15 


   313.19
   150.60
(6+)
(4+)
  1040 5  B         
  1087.7 3   C (7-)     558.9 7 
  774.5 3 
   24 11 
  100 14 


   528.69
   313.19
(8+)
(6+)
  1100.5 4   C (12+)     307.6 3 
  100
[E2]
   792.9
(10+)
  1160 5  B         
  1276.1 4   C (9-)     482.5 7 
  747.5 3 
   35 11 
  100 15 


   792.9
   528.69
(10+)
(8+)
  1545 5  B         
  1596 5  B         
  1670 5  B         
  1708 5  B         
  1756 5  B         
  1792 5  B         
  1893 5  B         
  1929 5  B         
  2010 5  B         

Jπ(level): From systematics and band assignments

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Band Transitions:

E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 1 - GS band
     0 0+ 14.1 h 1 
% β- = 100
     
    45 1  (2+)      45 1 S
 
[E2]
     0
0+
   150.60 10  (4+)     105.6 1 
  100
[E2]
    45
(2+)
   313.19 14  (6+)     162.6 1 
  100
[E2]
   150.60
(4+)
   528.69 18  (8+)     215.5 1 
  100
[E2]
   313.19
(6+)
   792.9 3  (10+)     264.1 2 
  100
[E2]
   528.69
(8+)
  1100.5 4  (12+)     307.6 3 
  100
[E2]
   792.9
(10+)
E(level)
(keV)
Jπ(level) T1/2(level)E(γ)I(γ)M(γ)Final Levels
Band 2 - Kπ=0-, octupole band
   847.0 4  (3-)        
   944.7 3  (5-)     631.6 5 
  794.0 3 
   63 12 
  100 15 


   313.19
   150.60
(6+)
(4+)
  1087.7 3  (7-)     558.9 7 
  774.5 3 
   24 11 
  100 14 


   528.69
   313.19
(8+)
(6+)
  1276.1 4  (9-)     482.5 7 
  747.5 3 
   35 11 
  100 15 


   792.9
   528.69
(10+)
(8+)

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Additional Gamma Data:













E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityConversion
Coefficient
Additional Data
    45 (2+)      45 1 [E2]6.0×102α=6.0×102 7, α(L)=4.4E2 6, α(M)=122 15, α(N)=33 4, α(O)=7.6 9, α(P)=1.22 15, α(Q)=0.0029 3, α(N+)=42 5
   150.60 (4+)     105.6 1 [E2]10.34α=10.34, α(L)=7.53 11, α(M)=2.09 3, α(N)=0.567 9, α(O)=0.1304 20, α(P)=0.0214 4, α(Q)=8.98×10-5 13, α(N+)=0.719 11
   313.19 (6+)     162.6 1 [E2]1.663α=1.663, α(K)=0.205 3, α(L)=1.063 16, α(M)=0.294 5, α(N)=0.0798 12, α(O)=0.0184 3, α(P)=0.00305 5, α(Q)=2.23×10-5 4, α(N+)=0.1012 15
   528.69 (8+)     215.5 1 [E2]0.569α=0.569, α(K)=0.1367 20, α(L)=0.316 5, α(M)=0.0867 13, α(N)=0.0235 4, α(O)=0.00544 8, α(P)=0.000912 13, α(Q)=1.029×10-5 15, α(N+)=0.0299 5
   792.9 (10+)     264.1 2 [E2]0.282α=0.282, α(K)=0.0951 14, α(L)=0.1370 20, α(M)=0.0373 6, α(N)=0.01013 15, α(O)=0.00235 4, α(P)=0.000398 6, α(Q)=6.17×10-6 9, α(N+)=0.01288 19
  1100.5 (12+)     307.6 3 [E2]0.174α=0.174, α(K)=0.0716 11, α(L)=0.0754 11, α(M)=0.0204 3, α(N)=0.00553 8, α(O)=0.001286 19, α(P)=0.000220 4, α(Q)=4.29×10-6 6, α(N+)=0.00704 11

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     00+ 14.1 h 1 
% β- = 100
%α<10-10 (syst,1972El21), <10-16 (calculated,1997Mo25).
E(level): GS band.
    45(2+)   E(level): GS band.
   150.60(4+)   E(level): GS band.
   313.19(6+)   E(level): GS band.
   528.69(8+)   E(level): GS band.
   792.9(10+)   E(level): GS band.
   847.0(3-)   E(level): Kπ=0-, octupole band.
   944.7(5-)   E(level): Kπ=0-, octupole band.
  1087.7(7-)   E(level): Kπ=0-, octupole band.
  1100.5(12+)   E(level): GS band.
  1276.1(9-)   E(level): Kπ=0-, octupole band.

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