Results:2 different decay possibilities were found


Dataset #1:

Author: M. Shamsuzzoha Basunia   Citation:Nuclear Data Sheets 121, 561 (2014)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
214
88
Ra
 1865.24    8+   68.6 µs 20    α: 0.09 7  7273   
210
86
Rn
 

Alphas:

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



  7290 30       0.005 % 5   4E-4 4 
 ≈8350 ?    ≈0 % ≈0
  8950 30       0.08 % 6   0.007 6 

Dataset #2:

Author: M. Shamsuzzoha Basunia   Citation:Nuclear Data Sheets 121, 561 (2014)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
214
88
Ra
 0.0    0+   2.46 s 3    α: 99.941 4  7273   
210
86
Rn
 

Alphas:

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



  6505 5       0.16 % 3   0.0104 20 
  7137 3      99.78 % 3   7.121 4 

Gamma and X-ray radiation:

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



   642.8 9        0.20 % 10   0.0013 6