208RN A DECAY 
Parent state: G.S.
Half life: 24.35 M(14)
Q(gs): 6260.7(17) keV
Branch ratio:       0.62( 7)
 image 

Alpha ray: for absolute intensity multiply by 0.62(7)
   Energy(keV)     Intensity(rel) Hindrance
    6140.1(17)    99.953( 4)     1.000    
    5469.1(18)     0.047( 4)      1.25(18)
C.J. CHIARA and F.G. KONDEV, Nuclear Data Sheet 111,141 (2010)

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