Results:2 different decay possibilities were found


Dataset #1:

Authors: Ashok Jain, Sukhjeet Singh, Suresh Kumar, Jagdish Tuli   Citation:Nuclear Data Sheets 108, 883 (2007)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
225
88
Ra
 0.0    1/2+   14.9 d 2    α   5097   
221
86
Rn
 

Alphas:

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



  4976 5       1.6E-9 % 9   8E-11 4 
  5006 5       5.2E-9 % 18   2.6E-10 9 

Dataset #2:

Author: Balraj Singh   Citation:ENSDF

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
225
88
Ra
 0.0    1/2+   14.9 d 3    β-: 100  356   
225
89
Ac
 

Beta-:

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




    93 4    316 5     68.8 % 17   0.064 3 
   105 4    356 5     31.2 % 17   0.0328 22 

Mean beta- energy: 97 keV 4, total beta- intensity: 100.0 % 24, mean beta- dose: 0.097 MeV/Bq-s 5

Electrons:

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



Auger L     9.28      15.7 % 5   0.00145 5 
CE L    20.25 5       29.2 %  0.00592
CE M    35.09 5        7.23 %  0.00254
CE N    38.82 5        1.87 %  7.27E-4
CE O    39.93 5        0.401 %  1.600E-4
CE P    40.07 5        0.0609 %  2.44E-5

Gamma and X-ray radiation:

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



XR l    12.7      13.6 % 5   0.00172 7 
    40.09 5       30.0 %  0.0120