WWW Table of Radioactive Isotopes
 
 
 
252Fm
100152

Half life: 25.39 h 5  
Jp:0+
Sn (keV): 7239 10
Sp (keV): 4982 8
 
ENSDF citation:NDS 57,579 (1989)
Literature cut-off date: 1-Dec-1988
Author(s): M.R. Schmorak
Update: 1-Jan-1997, Y. Akovali
References since cut-off: 252Fm decay from 1997-98 (NSR)
 
Decay properties:
 
ModeBranching (%)Q-value (keV)   References        
a 99.9977 27152.7 20 84Ah02 
SF 0.00232 15
 
Data sets:
 
Mode  Data set nameDisplay data
a252FM A DECAY
Tables:
ENSDF data:
Java applets:


	
Gammas from 252Fm (25.39 h 5)
Eg (keV)     Ig (%)    Decay mode

41.53 6  0.011  a 
96.28 6  0.036 3  a 


	

	
X-rays from 252Fm (25.39 h 5)
E (keV)    I (%)    Assignment

13,146   0.189 20   Cf Ll
15,423   0.277 19   Cf La2
15,660   2.48 17   Cf La1
18,094   0.052 4   Cf Lb6
18,347   0.068 7   Cf Lh
18,946   0.67 5   Cf Lb2
19,665   0.025 4   Cf Lb4
19,778   0.160 11   Cf Lb5
20,624   2.44 25   Cf Lb1
20,894   0.019 3   Cf Lb3
24,117   0.62 7   Cf Lg1
24,390   0.0113 20   Cf Lg2
24,718   0.0088 16   Cf Lg3
24,971   0.132 17   Cf Lg6

	

	
Alphas from 252Fm (25.39 h 5)
Ea (keV)     Ia (%)    

6759 3  0.023 5 
6904 2  0.97 4 
6998 2  15.0 2 
7039 2  84.0 5 


	

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

Sort alphas by:   Ea,Ia   Ia,Ea


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