Results:2 different decay possibilities were found


Dataset #1:

Author: C.J. Chiara and F.G. Kondev   Citation:Nuclear Data Sheets 111,141 (2010)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
208
89
Ac
 50626    (10-)   25 ms +9-5    α: 90  7730 50   
204
87
Fr
 

Alphas:

Energy
(keV)
Intensity
(%)
Dose
( MeV/Bq-s )



  7758 20      90 %  7.0

Dataset #2:

Author: C.J. Chiara and F.G. Kondev   Citation:Nuclear Data Sheets 111,141 (2010)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
208
89
Ac
 0.0    (3+)   95 ms +24-16    α   7730 50   
204
87
Fr
 

Alphas:

Energy
(keV)
Intensity
(%)
Dose
( MeV/Bq-s )



  7572 15      99 %  7.5