212RN A DECAY 
Parent state: G.S.
Half life: 23.9 M(12)
Q(gs): 6385.0(26) keV
Branch ratio:       1.00
image 

Alpha ray: 
   Energy(keV)     Intensity(rel) Hindrance
      6264( 3)    99.950( 5)       1.0    
      5583( 3)     0.050( 5)      1.43(16)
M. J. MARTIN, Nuclear Data Sheet 108,1583 (2007)

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