ADOPTED LEVELS, GAMMAS for 45Ar

Author: T. W. Burrows |  Citation: Nucl. Data Sheets 109, 171 (2008) |  Cutoff date: 30-Oct-2007 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=6844.8 keV 8S(n)= 5168.9 keV 17S(p)= 1.645×104 keV 19Q(α)= -13187 keV 5
Reference: 2012WA38

References:
  A  45Cl β- decay  B  46Cl β-n decay
  C  2H(44Ar,p) E=440 MeV  D  9Be(46Ar,xγ): E=70 MeV/A
  E  9Be(48Ca,xγ): E=60.3 MeV/A  F  48Ca(α,7Be) E=78 MeV

General Comments:

Gammas: See β- decay, β-n decay, and (46Ar,xγ) for unplaced gammas

Q-value: Note: Current evaluation has used the following Q record 6844.8 8 5168.9 171.683e+411-1.318×10412 2003Au03,2007Ya08










E(level)
(keV)		XREFJπ(level) T1/2(level)E(γ)
(keV)		I(γ)M(γ)Final Levels
     0.0ABCDEF 5/2-,7/2- 21.48 s 15 
% β- = 100
     
   542.1 6 ABCDE  1/2-,3/2- 0.34 ns +32-15     541.7 7 
  100
(E2)
     0.0
5/2-,7/2-
  1339.9 8 AB DE       797.7
  1340
  100
   85


   542.1
     0.0
1/2-,3/2-
5/2-,7/2-
  1416.1 12 ABCD   1/2-,3/2-      874.0
  1416.1?
  100 22 
  ≤43


   542.1
     0.0
1/2-,3/2-
5/2-,7/2-
  1660 50 ?     F        
  1734.7 9 A  D       1192.6 7 
  100

   542.1
1/2-,3/2-
  1770.3 8 AB DE      1228.1 7 
  100

   542.1
1/2-,3/2-
  1876  C    1/2-,3/2-        
  1911 5    DE      1911 5 
  100
D,Q
     0.0
5/2-,7/2-
  2420 50      F        
  2510  C    1/2-,3/2-        
  2757.0 12 ?A          2214.8?
  100

   542.1
1/2-,3/2-
  3230  C  F        
  3294.8 8 A    F     1524.4 7 
  1560.2?
  1955.1?
  2751 2 
  3295.2
   61
    5.7
    7.5
  100
   43





  1770.3
  1734.7
  1339.9
   542.1
     0.0



1/2-,3/2-
5/2-,7/2-
  3718  C           
  3949.7 12 ?A          3407.5?
  100

   542.1
1/2-,3/2-
  4280  C           
  4326.1 9 A          2986.2
  3783.8
   83
  100


  1339.9
   542.1

1/2-,3/2-
  4800  C           
  5773  C           

E(level): From least-squares fit to Eγ’s assuming ΔE(γ)=1 keV when not given, except as noted

Jπ(level): From angular momentum transfer in (44Ar,p). Additional arguments dependent on Jπ(g.s.)=7/2- given as the comments or footnotes

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Additional Gamma Data:













E(level)
(keV)		Jπ(level)T1/2(level)E(γ)
(keV)		MultipolarityConversion
Coefficient		Additional Data
   542.1 1/2-,3/2- 0.34 ns +32-15     541.7 7 (E2)3.84×10-4B(E2)(W.u.)=3.8 +17-36, α=3.84E-4 5, α(K)=0.000352 6, α(L)=2.90E-5 5, α(M)=2.82E-6 5

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
  1660   E(level): From (α,7Be).
  18761/2-,3/2-   E(level): Weighted average of 1908 6 from (46Ar,xγ) and 1914 6 from (48Ca,Xγ). From (44Ar,p).
  2420   E(level): From (α,7Be).
  25101/2-,3/2-   E(level): Weighted average of 1908 6 from (46Ar,xγ) and 1914 6 from (48Ca,Xγ). From (44Ar,p).
  3230   E(level): Weighted average of 1908 6 from (46Ar,xγ) and 1914 6 from (48Ca,Xγ). From (44Ar,p).
  3718   E(level): Weighted average of 1908 6 from (46Ar,xγ) and 1914 6 from (48Ca,Xγ). From (44Ar,p).
  4280   E(level): Weighted average of 1908 6 from (46Ar,xγ) and 1914 6 from (48Ca,Xγ). From (44Ar,p).
  4800   E(level): Weighted average of 1908 6 from (46Ar,xγ) and 1914 6 from (48Ca,Xγ). From (44Ar,p).
Jπ(level): L=3,4 in (44Ar,p).
  5773   E(level): Weighted average of 1908 6 from (46Ar,xγ) and 1914 6 from (48Ca,Xγ). From (44Ar,p).
Jπ(level): L=3,4 in (44Ar,p).

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