ADOPTED LEVELS, GAMMAS for 200At

Authors: F.G. Kondev, S. Lalkovski |  Citation: Nucl. Data Sheets 108,1471 (2007) |  Cutoff date: 1-Aug-2006 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-4.97×103 keV 3S(n)= 8.24×103 keV 3S(p)= 1.06×103 keV 4Q(α)= 6596.1 keV 14
Reference: 2012WA38

References:
  A  204Fr α decay (1.9 S)  B  204Fr α decay (1.6 S)
  C  204Fr α decay (0.8 S) 








E(level)
(keV)
XREFJπ(level) T1/2(level)E(γ)
(keV)
I(γ)M(γ)Final Levels
    0ABC (3+) 43 s 1 
% ε = 48 3
% α = 52 3
     
  112 5  BC (7+) 47 s 1 
% α = 43 7
% ε ≤ 57
     
  113.0 10 A   (2,4)+     113 1 
  100
(M1)
    0
(3+)
  344 5   C (10-) 7.3 s +26-15 
% α ≈ 10.5 3
  230.9 2 
  100
E3
  112
(7+)

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
    0(3+) 43 s 1 
% ε = 48 3
% α = 52 3
Probable configuration=((π h9/2)+1(ν f5/2)-1) (π+2-6)0+.
  112(7+) 47 s 1 
% α = 43 7
% ε ≤ 57
Probable configuration=((π h9/2)+1(ν f5/2)-1) (π+2-6)0+.
  344(10-) 7.3 s +26-15 
% α ≈ 10.5 3
Probable configuration=((π h9/2)+1(ν i13/2)-1) (π+2-6)0+.

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Additional Gamma Comments:

E(level)E(gamma)Comments
  113.0  113M(γ): Reported in 1992Hu04, but no spectroscopic information is presented by the authors
  344  230.9M(γ): From α(K)exp, α(L)exp and α(M)exp in 1992Hu04

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