ADOPTED LEVELS, GAMMAS for 47K

Author: T. W. Burrows |  Citation: Nucl. Data Sheets 108, 923 (2007) |  Cutoff date: 20-Feb-2007 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=6631 keV 3S(n)= 8369.4 keV 16S(p)= 1.327×104 keV 4Q(α)= -1.381×104 keV 10
Reference: 2012WA38

References:
  A  47Ar β- decay: TENTATIVE  B  48Ca(MU,nγ): AT REST
  C  48Ca(E,E’p) E=440 MeV  D  48Ca(d,3He),(pol d,3He),(t,α)
  E  48Ca(48Ca,xγ) E=210 MeV  F  198Pt(48Ca,xγ)

General Comments:

Gammas: See β- decay for unplaced gammas

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










E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0ABCDEF 1/2+ 17.50 s 24 
% β- = 100
     
   360.0 10 ABCDEF 3/2+ 1.1 ns 3     360
  100
(M1,E2)
     0
1/2+
  2020.0 15 A  DEF (7/2-) 6.3 ns 4    1660
  2020?
  100 10 
   13.2 19 
(M2)
[E3]
   360.0
     0
3/2+
1/2+
  2287.0 18     E       267
 

  2020.0
(7/2-)
     3.35E+3 3    DE  5/2+,3/2+     1319
 

  2020.0
(7/2-)
  3432 19   CD   (5/2)+        
  3717.6 7 A  D   (3/2-)     3357?
  3718?
    7 7 
  100 15 


   360.0
     0
3/2+
1/2+
  3762.1 18 A      (5/2-)     1742
  3402?
  100 10 
   10 5 


  2020.0
   360.0
(7/2-)
3/2+
     3.85E+3 2   CD   1/2+        
     3.93E+3 2   CD   3/2+        
     4.17E+3 6    D          
     4.36E+3 4    D          
  4434.1 20     E      1094
  2147
 
 


     3.35E+3
  2287.0
5/2+,3/2+

     4.74E+3 4    D          
     4.90E+3 4    D          
  5220 20   CD   5/2+        
  5465 25   CD   5/2+        
     5.79E+3 2    D          
  5842.4 18 A      (5/2-)     3822
  100

  2020.0
(7/2-)
     6.15E+3 4    D   5/2+,3/2+        
     6.26E+3 4    D          
     6.42E+3 4    D          
  6462 32   CD   (5/2)+        
     6.87E+3 4   CD   (5/2)+        
     7.15E+3 5    D          
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     7.38E+3 4    D          
     7.57E+3 3    D   (5/2)+        
  7762 33   CD   (5/2)+        
  8035 38   CD   (5/2)+        
  8530 20 ?   D   5/2+,3/2+        

E(level): From 48Ca(d,3He),(pol d,3He),(t,α), except as noted

Jπ(level): From comparison to α(θ) for the 3.93- and 5.46-MeV states in (pol d,3He), except as noted

T1/2(level): From γγ(t) in 198Pt(48Ca,Xγ), except as noted

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Additional Gamma Data:













E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityConversion
Coefficient
Additional Data
   360.0 3/2+ 1.1 ns 3     360(M1,E2)0.0011α=0.0011 7, α(K)=0.0010 6, α(L)=9.E-5 5, α(M)=1.0E-5 6, α(N+)=3.5E-7 20
  2020.0 (7/2-) 6.3 ns 4    1660(M2)9.12×10-5B(M2)(W.u.)=0.026 4, α=9.12×10-5 13, α(K)=3.70E-5 6, α(L)=3.10E-6 5, α(M)=3.37E-7 5, α(N)=1.242E-8 18, α(N+)=5.08E-5 8
(7/2-) 6.3 ns 4    2020[E3]0.000206B(E3)(W.u.)=1.25 23, α=0.000206 3, α(K)=2.61E-5 4, α(L)=2.19E-6 3, α(M)=2.38E-7 4, α(N)=8.76E-9 13, α(N+)=0.0001779 25

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     01/2+ 17.50 s 24 
% β- = 100
μ=+1.933 9 (2005St24,1982To02), CONF=((48CA (1984Al18), T=9/2
E(level): From 48Ca(48Ca,Xγ).
Jπ(level): The strength of the g.s. and 3.85-MeV state exhaust 90% of shell-model sum rule (1985Ba14) in (d,3He). See β- decay for configurations suggest by 2004We09. See 2006Ga31 for a study of the systematics of the d3/2-s1/2 proton hole splitting in the odd-mass K, Cl, and p isotopes for n=20-28 and d5/2-d3/2 for 39K and 47K.
   360.03/2+ 1.1 ns 3  T=9/2
E(level): From least-squares fit to Eγ’s assuming ΔE(γ)=1 keV.
Jπ(level): See β- decay for configurations suggest by 2004We09. See 2006Ga31 for a study of the systematics of the d3/2-s1/2 proton hole splitting in the odd-mass K, Cl, and p isotopes for n=20-28 and d5/2-d3/2 for 39K and 47K. The combined strength of the 360 and 3930 states exceeds the shell-model sum rule for d3/2 (1987Og01,1985Ba14) in (d,3He) and (t,α).
  2020.0(7/2-) 6.3 ns 4  E(level): From least-squares fit to Eγ’s assuming ΔE(γ)=1 keV.
Jπ(level): See β- decay for configurations suggest by 2004We09.
  2287.0   E(level): From least-squares fit to Eγ’s assuming ΔE(γ)=1 keV.
     3.35E+35/2+,3/2+   Jπ(level): From angular momentum transfer in (d,3He).
  3432(5/2)+   Jπ(level): See 2006Ga31 for a study of the systematics of the d3/2-s1/2 proton hole splitting in the odd-mass K, Cl, and p isotopes for n=20-28 and d5/2-d3/2 for 39K and 47K.
  3717.6(3/2-)   E(level): From least-squares fit to Eγ’s assuming ΔE(γ)=1 keV.
Jπ(level): See β- decay for configurations suggest by 2004We09. From comparison of experimental to calculated decay patterns (2004We09) in β- decay.
  3762.1(5/2-)   E(level): From least-squares fit to Eγ’s assuming ΔE(γ)=1 keV.
Jπ(level): See β- decay for configurations suggest by 2004We09. From comparison of experimental to calculated decay patterns (2004We09) in β- decay.
     3.85E+31/2+   E(level): From 48Ca(48Ca,Xγ).
Jπ(level): The strength of the g.s. and 3.85-MeV state exhaust 90% of shell-model sum rule (1985Ba14) in (d,3He).
     3.93E+33/2+   Jπ(level): The combined strength of the 360 and 3930 states exceeds the shell-model sum rule for d3/2 (1987Og01,1985Ba14) in (d,3He) and (t,α).
  4434.1   E(level): From least-squares fit to Eγ’s assuming ΔE(γ)=1 keV.
  5842.4(5/2-)   E(level): From least-squares fit to Eγ’s assuming ΔE(γ)=1 keV.
Jπ(level): See β- decay for configurations suggest by 2004We09. From comparison of experimental to calculated decay patterns (2004We09) in β- decay.
     6.15E+35/2+,3/2+   Jπ(level): From angular momentum transfer in (d,3He).
  85305/2+,3/2+   Jπ(level): From angular momentum transfer in (d,3He).

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Additional Gamma Comments:

E(level)E(gamma)Comments
   360.0   360E(γ): From 48Ca(48Ca,Xγ)
M(γ): d,E2 from comparison to RUL. Δπ=no from level scheme
  2020.0  1660M(γ): ΔJ=2 from W(in plane)/W(out of plane) in 198Pt(48Ca,Xγ); Δπ=yes from level scheme
  2287.0   267E(γ): From 48Ca(48Ca,Xγ)
     3.35E+3  1319E(γ): From 48Ca(48Ca,Xγ)
  4434.1  1094E(γ): From 48Ca(48Ca,Xγ)
  2147E(γ): From 48Ca(48Ca,Xγ)

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