ADOPTED LEVELS for 220At

Authors: E. Browne, J. K. Tuli |  Citation: Nucl. Data Sheets 112, 1115 (2011) |  Cutoff date: 31-Oct-2010 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=3762 keV 15S(n)= 4093 keV 15S(p)= 5595 keV 22Q(α)= 6077 keV 18
Reference: 2012WA38

General Comments:

Production and identification:

232Th(600-MeV p), mass; observed Rn K| x ray and daughter activities; measured γ, β, α, βγ (1989Bu09)

Th(200-MeV p), mass; observed 220Rn γ’s; measured γ, γγ, βγγ (1989Li04)

Mass measurement from 238U fragmentation (2005LiZZ).

Calculation:

Spontaneous emission of heavy ions: 1986Po06

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





E(level)
(keV)
Jπ(level) T1/2(level)
  0.0 3 3.71 m 4 
% β- = 92 2
% α = 8 2

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments

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