207RN A DECAY 
Parent state: G.S.
Half life: 9.25 M(17)
Q(gs): 6251.1(16) keV
Branch ratio:       0.21( 3)
 image 

Alpha ray: for absolute intensity multiply by 0.21(3)
   Energy(keV)     Intensity(rel) Hindrance
      6131( 4)     99.24( 4)      1.15(17)
      6072( 3)      0.66( 2)        95(15)
      6000( 4)      0.10( 3)     2.9E2(10)
F.G. KONDEV, Nuclear Data Sheet 105, 1 (2005)

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