220RA A DECAY 
Parent state: G.S.
Half life: 18 MS(2)
Q(gs): 7592(6) keV
Branch ratio:        1.0
image 

Alpha ray: 
   Energy(keV)     Intensity(rel) Hindrance
      7393(15)        -             -     
      7453( 7)      99.0( 4)      1.00    
      7001( 6)       1.0( 4)       2.7(11)

Gamma ray: 
   Energy(keV)    Intensity(rel)
       465( 4)       1.0( 4)
S. -C. WU, Nuclear Data Sheet 108, 1057 (2007)

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