ADOPTED LEVELS for 234Am

Authors: E. Browne, J. K. Tuli |  Citation: Nucl. Data Sheets 108, 681 (2007) |  Cutoff date: 1-Jun-2006 

 Full ENSDF file | Adopted Levels (PDF version) 


Q(β-)=-2.26×103 keV SYS(n)= 6.87×103 keV SYS(p)= 2.88×103 keV SYQ(α)= 6.80×103 keV SY
Reference: 2012WA38

General Comments:

Assignment: 230Th(10B,6n), 230Th(11B,7N) excit (1967Ku17); 237Np(α,7N) chem, Eα=70.0-73.5 MeV (1990Ha02).

233U(6Li,5n), E=51 MeV; mass separated sources. Measured α particles, x rays.Production of 234Am was confirmed by observation of Pu ka1. Detectors: photodiode for α particles; Germanium detector for x rays (2004Sa05, 2002As08). Other: 2003Na10.

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




E(level)
(keV)
T1/2(level)
  0.0 2.32 m 8 
% ε = 100
% α = ?

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
  0.0 2.32 m 8 
% ε = 100
% α = ?
No Eα=6.46 MeV with %IA=0.039 12 reported in 1990Ha02 was observed (limit %IA<0.04). ε decay was inferred from the observation of Pu ka1 (2002As08,2004Sa05).
E(level): No Eα=6.46 MeV with %IA=0.039 12 reported in 1990Ha02 was observed (limit %IA<0.04). ε decay was inferred from the observation of Pu ka1 (2002As08,2004Sa05).

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