WWW Table of Radioactive Isotopes
 
 
 
225Ra
88137

Half life: 14.9 d 2  
Jp:1/2+
Sn (keV): 4902 3
Sp (keV): 6945 49
Prod. mode: Naturally occurring
 
ENSDF citation:NDS 60,617 (1990)
Literature cut-off date: 1-Jun-1989
Author(s): Y.A. Akovali
References since cut-off: 225Ra decay from 1989-98 (NSR)
 
Decay properties:
 
ModeBranching (%)Q-value (keV)  
b-100358 7
 
Data sets:
 
Mode  Data set nameDisplay data
b-225RA B- DECAY
Tables:  
ENSDF data:
Java applets:


	
Gammas from 225Ra (14.9 d 2)
Eg (keV)     Ig (%)    Decay mode

40.09 5  30  b- 


	

	
X-rays from 225Ra (14.9 d 2)
E (keV)    I (%)    Assignment

10,871   0.34 3   Ac Ll
12,500   0.59 3   Ac La2
12,651   5.3 3   Ac La1
14,082   0.096 5   Ac Lh
14,601   0.094 5   Ac Lb6
15,191   0.48 7   Ac Lb4
15,212   1.37 8   Ac Lb2
15,711   3.77 21   Ac Lb1
15,790   0.261 13   Ac Lb5
15,931   0.47 7   Ac Lb3
18,405   0.88 5   Ac Lg1
18,734   0.19 3   Ac Lg2
18,922   0.19 3   Ac Lg3
18,997   0.187 18   Ac Lg6

	

	
Betas from 225Ra (14.9 d 2)
Eb endpoint (keV)    Ib (%)    Decay mode

237,2  0.010 b- 
317,91  69.5 17 b- 
358  30.5 17 b- 

	

Sort gammas by:   Eg,Ig   Ig,Eg   Decay mode,Eg

Sort alphas by:   Ea,Ia   Ia,Ea


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