Results:2 different decay possibilities were found


Dataset #1:

Author: F.G. Kondev   Citation:Nuclear Data Sheets 177, 509, 2021

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
207
88
Ra
 55810    (13/2+)   59 ms 4    α   7270 60   
203
86
Rn
 

Alphas:

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



  7323 8      15 %  1.0985

Dataset #2:

Author: F.G. Kondev   Citation:Nuclear Data Sheets 177, 509, 2021

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
207
88
Ra
 0.0    (3/2-)   1.2 s 1    α   7270 60   
203
86
Rn
 

Alphas:

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



  7131 4      86 %  6.1