221PA A DECAY 
Parent state: G.S.
Half life: 5.9 US(17)
Q(gs): 9248(54) keV
Branch ratio:        1.0
image 

Alpha ray: 
   Energy(keV)     Intensity(rel) Hindrance
      9075(30)       100(LE)       1.4(GE)
Y. A. AKOVALI, Nuclear Data Sheet 100, 141 (2003)

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