ADOPTED LEVELS for 223Rn

Author: E. Browne |  Citation: Nucl. Data Sheets 93, 846 (2001) |  Cutoff date: 1-May-2001 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=2006 keV 9S(n)= 4056 keV 9S(p)= 7852 keV 18Q(α)= 5283 keV 18
Reference: 2012WA38

General Comments:

223Rn activity was produced by spallation of 600-MeV protons on targets of 232Th. Assignment to 223Rn is based on mass separation, on the detection of characteristic Fr K| x ray, and of γ rays that had been previously observed in the α decay of 227Ac (1986Bo35,1992Ku03). Others: 1961Be28, 1964Bu02.

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





E(level)
(keV)
Jπ(level) T1/2(level)
  0.0 7/2 24.3 m 4 
% β- = 100

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
  0.07/2 24.3 m 4 
% β- = 100
Q=+0.80, μ=-0.776 8
%α≈0.0004 from systematics of T1/2(α) in 217Rn, 219Rn, and 221Rn.
E(level): %α≈0.0004 from systematics of T1/2(α) in 217Rn, 219Rn, and 221Rn.

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