ADOPTED LEVELS for 234Ra

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-)=2.05×103 keV 4S(n)= 5.50×103 keV 4S(p)= 9.4×103 keV SYQ(α)= 2.42×103 keV SY
Reference: 2012WA38

General Comments:

Assignment: 238U(1 GeV p,X) ms (1992Bo44). Identified β from daughter 234Ac. Others: 1992MeZV, 1993MeZW, 1990BeZB, 1990MeZQ

Theory/Calculations:

1995Ru10: Relativistic Mean Field theory

1986Da03: Interacting Boson Model, α clustering.

1982Du16: Cranked hfb model

1982Le19: Potential energy minima

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

Q-value: ΔQ(β-)=630 syst, ΔS(n)=680 syst (2003Au03)





E(level)
(keV)
Jπ(level) T1/2(level)
  0.0 0+ 30 s 10 
% β- = 100

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Additional Level Data and Comments:

E(level)Jπ(level)T1/2(level)Comments
  0.00+ 30 s 10 
% β- = 100
No fission fragments were detected (1992MeZV). An upper limit of 1×10-4% for β-delayed SF decay branch was given by 1992MeZV.
E(level): No fission fragments were detected (1992MeZV). An upper limit of 1×10-4% for β-delayed SF decay branch was given by 1992MeZV.

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