WWW Table of Radioactive Isotopes
 
 
 
37K
1918

Half life: 1.226 s 7  
Jp:3/2+
Sn (keV): 15445 8
Sp (keV): 1857.77 9
Prod. mode: Charged particle reaction
 
ENSDF citation:NP A521,1 (1990)
Literature cut-off date: 1-Jun-1990
Author(s): P.M. Endt
Update: 1-Jan-1997, R.B. Firestone
References since cut-off: 37K decay from 1997-98 (NSR)
 
Decay properties:
 
ModeBranching (%)Q-value (keV)  
e+b+1006148.8 4
 
Most Recent ENSDF Data (12/2002)
 
Mode  Data set nameDisplay data
e+b+37K EC DECAY
Tables:  
ENSDF data:
Java applets:


	
TORI Data (1999)

Gammas from 37K (1.226 s 7)


Eg (keV)     Ig (%)    Decay mode

2796.0  1.8 3  e+b+ 
3601.8  0.019 3  e+b+ 


	

	
X-rays from 37K (1.226 s 7)
E (keV)    I (%)    Assignment

0.251   1E-05 3   Ar Lb1
0.310   2.6E-06 9   Ar Lb4
0.310   4.1E-06 14   Ar Lb3
2.880   3.3E-10 4   Ar Ka3
2.955   0.0031 3   Ar Ka2
2.957   0.0062 6   Ar Ka1
3.190   0.00025 3   Ar Kb3
3.190   0.00049 5   Ar Kb1

	

	
Betas from 37K (1.226 s 7)
Eb endpoint (keV)    Ib (%)    Decay mode

1524.8  0.018 3 b+ 
2330.7  1.8 3 b+ 
2546.8  0.00056 9 e 
3352.7  0.015 3 e 
5126.8  98.1 3 b+ 
6148.8  0.077 1 e 

	

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

Sort alphas by:   Ea,Ia   Ia,Ea


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