WWW Table of Radioactive Isotopes
 
 
 
231Ra
88143

Half life: 103 s 3  
Jp:(7/2-,1/2+)
Sn (keV): 4.2E3 sy
Sp (keV): 8.5E3 sy
 
ENSDF citation:NDS 70,387 (1993)
Literature cut-off date: 1-Aug-1993
Author(s): M.R. Schmorak
References since cut-off: 231Ra decay from 1993-98 (NSR)
 
Decay properties:
 
ModeBranching (%)Q-value (keV)   References        
b-1002.5E3 sy 85Hi02 
 
Most Recent ENSDF Data (12/2002)
 
Mode  Data set nameDisplay data
b-231RA B- DECAY
Tables:  
ENSDF data:
Java applets:


	
TORI Data (1999)

Gammas from 231Ra (103 s 3)


Eg (keV)     Ig (%)    Decay mode

55 1  47 10 b- 
204.98 3  100 6 b- 
409.92 9  108 12 b- 
456.2 2  64 7 b- 
462.4 2  46 6 b- 
469.3 2  81 6 b- 

* Relative intensity

	

	

	

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