ADOPTED LEVELS, GAMMAS for 88Kr

Authors: E.A. Mccutchan and A.A. Sonzogni |  Citation: Nucl. Data Sheets 115, 135 (2014) |  Cutoff date: 1-Nov-2013 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=2918 keV 3S(n)= 7053 keV 3S(p)= 13089 keV 4Q(α)= -6168 keV 3
Reference: 2012WA38

References:
  A  88Br β- decay  B  89Br β-n decay
  C  86Kr(t,p)  D  248Cm SF decay
  E  252Cf SF decay  F  Coulomb Excitation:PROJECTILE
  G  208Pb(18O,xγ) 








E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
     0.0ABCDEFG 0+ 2.825 h 19 
% β- = 100
     
   775.32 4 ABCDEFG 2+ 11.1 ps 12     775.28 6 
  100
E2
     0.0
0+
  1577.43 4 ABCD    2+      802.14 6 
  1577.41 6 
  100.0 10 
   26.34 24 


   775.32
     0.0
2+
0+
  1643.78 6 ABCDE G 4+      868.4 1 
  100
(E2)
   775.32
2+
  2103.81 8 A CDE G (4+)      460.02 5 
  1328.9 3 
  100 17 
   13 4 
M1+E2

  1643.78
   775.32
4+
2+
  2216.08 6 A C     2+     1440.5 1 
  2216.3 3 
  100.0 12 
   17.1 12 


   775.32
     0.0
2+
0+
  2341.99 6 A       (3,4+)      125.9 1 
   698.2 1 
   764.6 1 
  1566.7 1 
    1.1 4 
   11.3 9 
   21.7 13 
  100 19 




  2216.08
  1643.78
  1577.43
   775.32
2+
4+
2+
2+
  2370.26 7 A C          792.9 1 
  1594.8 1 
  100 4 
   17 8 


  1577.43
   775.32
2+
2+
  2419.62 6 A C     (3-)     1644.3 1 
  100.0 21 

   775.32
2+
  2550.34 11 A C     (4+)     1775.0 1 
  100

   775.32
2+
  2630.58 6 A       (3,4+)      288.68 10 
   986.4 1 
  1053.5 1 
  1855.2 1 
   13.1 17 
   19.5 21 
  100.0 21 
   51 4 




  2341.99
  1643.78
  1577.43
   775.32
(3,4+)
4+
2+
2+
  2651.21 6 A C     2+      309.2 3 
  1073.74 6 
  1876.0 1 
  2650.8 3 
    8 3 
  100 3 
   32 5 
   15 5 




  2341.99
  1577.43
   775.32
     0.0
(3,4+)
2+
2+
0+
  2775.83 10 A C     0+     1198.4 1 
  2000.4 3 
  100 7 
   55 9 


  1577.43
   775.32
2+
2+
  2828.49 7 A       (1,2+)      486.5 1 
   612.4 1 
  1251.1 1 
  2053.08 12 
  2828.5 3 
   25 7 
  100 20 
   40 10 
   64 5 
   74 6 





  2341.99
  2216.08
  1577.43
   775.32
     0.0
(3,4+)
2+
2+
2+
0+
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  2855.5 3     E G (5) ≤ 1 ps    751.8 3 
  100
D+Q
  2103.81
(4+)
  2875.04 7 A       (2+)      658.9 1 
  1231.3 1 
  1297.6 1 
  2099.6 3 
  2875.1 3 
   13 3 
    9.6 22 
   10.4 11 
   14 3 
  100 4 





  2216.08
  1643.78
  1577.43
   775.32
     0.0
2+
4+
2+
2+
0+
  2929.32 8 A       (3,4+)     1285.9 1 
  1351.5 1 
  2154.1 3 
   35.4 23 
  100 23 
   54 8 



  1643.78
  1577.43
   775.32
4+
2+
2+
  2945.45 10 A       (1,2+)     1368.0 1 
  2169.8 3 
  2945.7 3 
   41 3 
   27.6 21 
  100 3 



  1577.43
   775.32
     0.0
2+
2+
0+
  2966 10   C     (3-)        
  3044.64 9 A           1467.0 1 
  2269.67 14 
   47 3 
  100 7 


  1577.43
   775.32
2+
2+
  3113.51 21 A       (1,2+)     2338.2 3 
  3113.4 3 
  100 33 
   50 27 


   775.32
     0.0
2+
0+
  3160.93 25   C E G (5)     1517.1 3 
  100
(D+Q)
  1643.78
4+
  3163.43 9 A       (3,4+)      743.7 1 
  1519.8 1 
  2387.7 3 
  100 23 
   13 3 
   51 5 



  2419.62
  1643.78
   775.32
(3-)
4+
2+
  3167.15 25   C E G (6)     1523.4 3 
  100

  1643.78
4+
  3204.00 11 A            862.0 1 
  2428.7 3 
   27 5 
  100 8 


  2341.99
   775.32
(3,4+)
2+
  3246 10   C     3-,4+        
  3295.2 3     E G (5,6) ≤ 1 ps    439.8 3 
  1191.2 5 
  100 30 
   40 13 
D

  2855.5
  2103.81
(5)
(4+)
  3312 10   C            
  3331.62 21 A       (1,2+)     2556.1 3 
  3331.7 3 
  100 20 
   40 20 


   775.32
     0.0
2+
0+
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  3335.92 8 A       (3,4+)     1692.0 1 
  1758.6 1 
   16 10 
  100 12 


  1643.78
  1577.43
4+
2+
  3341.49 11 A       (2+)     1697.7 1 
  3341.4 3 
   25 15 
  100 50 


  1643.78
     0.0
4+
0+
  3362.13 7 A            942.5 1 
  1146.0 1 
  1784.7 1 
  2586.9 3 
   90 15 
   69 13 
   46 7 
  100 12 




  2419.62
  2216.08
  1577.43
   775.32
(3-)
2+
2+
2+
  3399.19 8 A       (1,2+)     1028.9 1 
  1821.7 1 
  2624.0 3 
  3399.5 3 
   23 4 
   15 3 
  100 4 
   37 5 




  2370.26
  1577.43
   775.32
     0.0

2+
2+
0+
  3519 10   C            
  3553.3 10     E       1909.5
  100

  1643.78
4+
  3608 10   C     2+        
  3652 10   C     3-,4+        
  3710.04 11 A C     (3)     1290.4 1 
  2132.7 3 
  2934.7 3 
   21.2 16 
    2.8 16 
  100 4 



  2419.62
  1577.43
   775.32
(3-)
2+
2+
  3761 10   C     3-,4+        
  3770.78 8 A       (1-,2+)     1351.2 1 
  1428.8 1 
  2995.2 3 
  3770.3 3 
   71 48 
  100 10 
  100 17 
   29 10 




  2419.62
  2341.99
   775.32
     0.0
(3-)
(3,4+)
2+
0+
  3866 10   C            
  3904.7 5     E G      609.5 4 
  100

  3295.2
(5,6)
  3920.9 3    DE G (7)      753.8 2 
   760.0 2 
  100 25 
   88 25 
D+Q
Q
  3167.15
  3160.93
(6)
(5)
  3932 10   C            
  4048.4 3 A C     (2+)     2470.9 3 
  4048.2 5 
   20 8 
  100 50 


  1577.43
     0.0
2+
0+
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  4100.34 11 A C     (3-)     2522.87 10 
  100

  1577.43
2+
  4220 10   C     (3-,4+)        
  4268.32 11 A C     (1-,2,3)     1848.7 1 
  3492.8 3 
    4.2 16 
  100 11 


  2419.62
   775.32
(3-)
2+
  4287.7 3 A       (1,2+)     3512.5 3 
  4287.2 5 
  100 33 
   53 23 


   775.32
     0.0
2+
0+
  4342.6 4       G (8)      421.6 4 
  1175.5 7 
  100 50 
   70 30 


  3920.9
  3167.15
(7)
(6)
  4372 10   C            
  4430 10   C     (2+)        
  4479.2 7       G      574.4 4 
  100

  3904.7

  4560.15 22 A       (1,2,3)     2983.1 3 
  3784.3 3 
  100 13 
   21 10 


  1577.43
   775.32
2+
2+
  4563.2 3 A       (1,2+)     2192.9 3 
  4563.3 5 
    5.0 16 
  100.0 20 


  2370.26
     0.0

0+
  4596.85 17 A       (1-,2+)     2177.3 3 
  3019.3 3 
  3821.4 3 
  4596.7 5 
   34 3 
  100 6 
   13.5 24 
    4.1 18 




  2419.62
  1577.43
   775.32
     0.0
(3-)
2+
2+
0+
  4707.78 15 A       (1-,2+)     2288.0 3 
  2492.0 3 
  3130.4 3 
  3932.0 3 
  4707.8 5 
   11.8 8 
    8.2 16 
   18 3 
  100 3 
    8.2 16 





  2419.62
  2216.08
  1577.43
   775.32
     0.0
(3-)
2+
2+
2+
0+
  4857.5 5       G      936.6 4 
  100

  3920.9
(7)
  4923.51 10 A       (1-,2,3)     2503.90 12 
  2707.3 3 
  4148.05 13 
   10.9 16 
    6.4 6 
  100 3 



  2419.62
  2216.08
   775.32
(3-)
2+
2+
  4985.75 15 A       (1,2+)     4209.9 5 
  4985.64 16 
    6 3 
  100 3 


   775.32
     0.0
2+
0+
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  5018.7 3 A       (1,2+)     3440.9 3 
  5019.5 5 
   13 3 
  100 4 


  1577.43
     0.0
2+
0+
  5070.27 18 A       (2+,3,4+)     2650.8 3 
  3426.2 3 
  3492.8 3 
   46 16 
  100 14 
   40 20 



  2419.62
  1643.78
  1577.43
(3-)
4+
2+
  5088.2 4 A       (1,2+)     4312.4 5 
  5088.4 5 
  100 9 
   42 10 


   775.32
     0.0
2+
0+
  5193.0 5       G (9)      850 1 
  1272.1 5 
   15 7 
  100 30 


  4342.6
  3920.9
(8)
(7)
  5270.5 5 A       (1,2,3)     4495.1 5 
  100

   775.32
2+
  5439.4 5 A       (1,2,3)     4663.9 5 
  100

   775.32
2+
  5495.81 20 A       (1,2,3)     3076.4 3 
  3279.2 3 ?
  4720.9 5 
    2.8 19 
  100 9 
   88 6 



  2419.62
  2216.08
   775.32
(3-)
2+
2+
  5503.3 3 A       (1,2+)     3161.2 3 
  5503.2 5 
  100 33 
   13 10 


  2341.99
     0.0
(3,4+)
0+
  5627.1 4 A       (1,2,3)     4049.6 5 
  4851.6 5 
   32 21 
  100 7 


  1577.43
   775.32
2+
2+
  5693.4 3 A       (1,2,3)     3273.7 3 
  100

  2419.62
(3-)
  5726.2 3 A           3510.0 3 
  100

  2216.08
2+
  5856.8 6       G      999.2 4 
  100

  4857.5

  5914.99 20 A       (1-,2+,3-)     3495.5 3 
  3698.3 3 
  5915.7 5 
  100 11 
   55 41 
   23 5 



  2419.62
  2216.08
     0.0
(3-)
2+
0+
  5972.9 5 A       (1,2,3)     5197.4 5 
  100

   775.32
2+
  5977.47 23 A       (1,2,3)     3635.3 3 
  4400.0 5 
  5202.2 5 
   14 7 
   70 7 
  100 43 



  2341.99
  1577.43
   775.32
(3,4+)
2+
2+
  5988.5 3 A       (1,2,3)     3568.8 3 
  5213.1 5 
   60 7 
  100 9 


  2419.62
   775.32
(3-)
2+
E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
  6034.4 4 A       (1,2+)     5259.3 5 
  6033.8 5 
   38 23 
  100 23 


   775.32
     0.0
2+
0+
  6071.2 4 A       (1,2+)     5295.7 5 
  6071.0 5 
  100 6 
    7 4 


   775.32
     0.0
2+
0+
  6109.2 12       G     1630 1 
  100

  4479.2

  6231.7 3 A       (1,2+)     4015.5 5 
  5456.3 5 
  6231.5 5 
   59 10 
  100 6 
    5 3 



  2216.08
   775.32
     0.0
2+
2+
0+
  6233.5 7       G     1040.5 5 
  100

  5193.0
(9)
  6539.2 5 A       (1,2,3)     5763.7 5 
  100

   775.32
2+
  6718.3 4 A       (1,2,3)     4376.2 5 
  5942.8 5 
  100 63 
  100 50 


  2341.99
   775.32
(3,4+)
2+
  6758.0 5 A       (1,2,3)     5982.5 5 
  100

   775.32
2+
  6999.5 5 A       (1,2+)     6999.2 5 
  100

     0.0
0+
  7490.6 10       G     1257.1 7 
  100

  6233.5

  7969.5 11       G      478.9 4 
  100

  7490.6

E(level): Levels with ΔE<2 keV are deduced from the Adopted Gammas using least-squares fit, the others are from (t,p).

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Additional Gamma Data:















E(level)
(keV)
Jπ(level)T1/2(level)E(γ)
(keV)
MultipolarityMixing
Ratio
Conversion
Coefficient
Additional Data
   775.32 2+ 11.1 ps 12     775.28 6 E2 9.27×10-4B(E2)(W.u.)=7.8 9, α=9.27E-4, α(K)=0.000822 12, α(L)=8.88E-5 13, α(M)=1.436E-5 21, α(N)=1.442E-6 21
  1643.78 4+      868.4 1 (E2) 6.96×10-4α=6.96×10-4, α(K)=0.000617 9, α(L)=6.63E-5 10, α(M)=1.073E-5 15, α(N)=1.079E-6 16
  2103.81 (4+)      460.02 5 M1+E2+0.26 4 

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
     0.00+ 2.825 h 19 
% β- = 100
δ<r2>=0.282 fm2 4 relative to 86Kr (2013An02 evaluation). Measured values: 0.282 fm2 53 (1995Ke04) and 0.304 fm2 37 (1990Sc30).
  1577.432+   XREF: C(1588).
  1643.784+   XREF: B(?)C(1654).
  2103.81(4+)   XREF: C(2115).
  2216.082+   XREF: C(2224).
  2341.99(3,4+)   Jπ(level): From γ to 2+ and 4+ levels, no γ to 0+, log ft=7.4 - 8.0 in β- decay of (2-) 88Br.
  2370.26   XREF: C(2379).
  2419.62(3-)   XREF: C(2428).
  2550.34(4+)   XREF: C(2558).
  2630.58(3,4+)   Jπ(level): From γ to 2+ and 4+ levels, no γ to 0+, log ft=7.4 - 8.0 in β- decay of (2-) 88Br.
  2651.212+   XREF: C(2658).
  2775.830+   XREF: C(2789).
  2828.49(1,2+)   Jπ(level): From γ to 0+.
  2929.32(3,4+)   Jπ(level): From γ to 2+ and 4+ levels, no γ to 0+, log ft=7.4 - 8.0 in β- decay of (2-) 88Br.
  2945.45(1,2+)   Jπ(level): From γ to 0+.
  3113.51(1,2+)   Jπ(level): From γ to 0+.
  3160.93(5)   E(level): Ordering of the 754γ-1524γ and 760γ-1517γ cascades is reversed in 248Cm SF decay (2000Rz02) and 252Cf SF decay (2011Li34) resulting in levels at 2397 and 2404 in the former and 3161 and 3168 in the latter. The level scheme of 2011Li34 is adopted here based on the observation of an additional linking transition and the presence of a corresponding level observed in (t,p).
  3163.43(3,4+)   Jπ(level): From γ to 2+ and 4+ levels, no γ to 0+, log ft=7.4 - 8.0 in β- decay of (2-) 88Br.
  3167.15(6)   E(level): Ordering of the 754γ-1524γ and 760γ-1517γ cascades is reversed in 248Cm SF decay (2000Rz02) and 252Cf SF decay (2011Li34) resulting in levels at 2397 and 2404 in the former and 3161 and 3168 in the latter. The level scheme of 2011Li34 is adopted here based on the observation of an additional linking transition and the presence of a corresponding level observed in (t,p).
  3331.62(1,2+)   Jπ(level): From γ to 0+.
  3335.92(3,4+)   Jπ(level): From γ to 2+ and 4+ levels, no γ to 0+, log ft=7.4 - 8.0 in β- decay of (2-) 88Br.
  3399.19(1,2+)   Jπ(level): From γ to 0+.
  3710.04(3)   XREF: C(3706).
  4048.4(2+)   XREF: C(4036).
  4100.34(3-)   XREF: C(4075).
E(level)Jπ(level)T1/2(level)Comments
  4268.32(1-,2,3)   XREF: C(4261).
  4287.7(1,2+)   Jπ(level): From γ to 0+.
  4560.15(1,2,3)   Jπ(level): From γ to 2+, log ft=6.2 - 7.3 in β- decay of (2-) 88Br.
  4563.2(1,2+)   Jπ(level): From γ to 0+.
  4985.75(1,2+)   Jπ(level): From γ to 0+.
  5018.7(1,2+)   Jπ(level): From γ to 0+.
  5088.2(1,2+)   Jπ(level): From γ to 0+.
  5270.5(1,2,3)   Jπ(level): From γ to 2+, log ft=6.2 - 7.3 in β- decay of (2-) 88Br.
  5439.4(1,2,3)   Jπ(level): From γ to 2+, log ft=6.2 - 7.3 in β- decay of (2-) 88Br.
  5503.3(1,2+)   Jπ(level): From γ to 0+.
  5627.1(1,2,3)   Jπ(level): From γ to 2+, log ft=6.2 - 7.3 in β- decay of (2-) 88Br.
  5972.9(1,2,3)   Jπ(level): From γ to 2+, log ft=6.2 - 7.3 in β- decay of (2-) 88Br.
  5977.47(1,2,3)   Jπ(level): From γ to 2+, log ft=6.2 - 7.3 in β- decay of (2-) 88Br.
  6034.4(1,2+)   Jπ(level): From γ to 0+.
  6071.2(1,2+)   Jπ(level): From γ to 0+.
  6231.7(1,2+)   Jπ(level): From γ to 0+.
  6539.2(1,2,3)   Jπ(level): From γ to 2+, log ft=6.2 - 7.3 in β- decay of (2-) 88Br.
  6718.3(1,2,3)   Jπ(level): From γ to 2+, log ft=6.2 - 7.3 in β- decay of (2-) 88Br.
  6758.0(1,2,3)   Jπ(level): From γ to 2+, log ft=6.2 - 7.3 in β- decay of (2-) 88Br.
  6999.5(1,2+)   Jπ(level): From γ to 0+.

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Additional Gamma Comments:

E(level)E(gamma)Comments
   775.32   775.28M(γ): from γγ(θ) in 248Cm SF decay and Coulomb Excitation.
  1643.78   868.4M(γ): Q from γγ(θ) in 252Cf SF decay, assumed E2.
  2103.81   460.02I(γ): From 252Cf SF decay.
M(γ): D+Q from γγ(θ) in 252Cf SF decay, Δπ=no from level scheme.
  1328.9E(γ): From 252Cf SF decay.
I(γ): From 252Cf SF decay.
  2855.5   751.8E(γ): From 252Cf SF decay.. Ordering of the 754γ-1524γ and 760γ-1517γ cascades is reversed in 248Cm SF decay (2000Rz02) and 252Cf SF decay (2011Li34) resulting in levels at 2397 and 2404 in the former and 3161 and 3168 in the latter. The level scheme of 2011Li34 is adopted here based on the observation of an additional linking transition and the presence of a corresponding level observed in (t,p).
I(γ): From 252Cf SF decay.
M(γ): From γγ(θ) in 252Cf SF decay.
  3160.93  1517.1E(γ): From 252Cf SF decay.. Ordering of the 754γ-1524γ and 760γ-1517γ cascades is reversed in 248Cm SF decay (2000Rz02) and 252Cf SF decay (2011Li34) resulting in levels at 2397 and 2404 in the former and 3161 and 3168 in the latter. The level scheme of 2011Li34 is adopted here based on the observation of an additional linking transition and the presence of a corresponding level observed in (t,p).
I(γ): From 252Cf SF decay.
M(γ): From γγ(θ) in 252Cf SF decay.
  3167.15  1523.4E(γ): From 252Cf SF decay.
I(γ): From 252Cf SF decay.
M(γ): Q from γγ(θ) in 208Pb(18O,Xγ)
  3553.3  1909.5E(γ): From 252Cf SF decay.
I(γ): From 252Cf SF decay.
  3920.9   753.8E(γ): From 252Cf SF decay.. Ordering of the 754γ-1524γ and 760γ-1517γ cascades is reversed in 248Cm SF decay (2000Rz02) and 252Cf SF decay (2011Li34) resulting in levels at 2397 and 2404 in the former and 3161 and 3168 in the latter. The level scheme of 2011Li34 is adopted here based on the observation of an additional linking transition and the presence of a corresponding level observed in (t,p).
I(γ): From 252Cf SF decay.
M(γ): From γγ(θ) in 252Cf SF decay.
   760.0E(γ): From 252Cf SF decay.. Ordering of the 754γ-1524γ and 760γ-1517γ cascades is reversed in 248Cm SF decay (2000Rz02) and 252Cf SF decay (2011Li34) resulting in levels at 2397 and 2404 in the former and 3161 and 3168 in the latter. The level scheme of 2011Li34 is adopted here based on the observation of an additional linking transition and the presence of a corresponding level observed in (t,p).
I(γ): From 252Cf SF decay.
M(γ): From γγ(θ) in 252Cf SF decay.

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