Results:2 different decay possibilities were found


Dataset #1:

Authors: F.G. Kondev, S. Lalkovski   Citation:Nuclear Data Sheets 112, 707 (2011)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
211
83
Bi
 0.0    9/2-   2.14 m 2    α: 99.724 4  6750.3   
207
81
Tl
 

Alphas:

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



  5299.4 5       9E-4 % 9   5E-5 5 
  6278.2 7      16.19 % 14   1.016 9 
  6622.9 6      83.54 % 14   5.533 9 

Gamma and X-ray radiation:

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



   351.07 5       13.02 % 12   0.0457 4 

Dataset #2:

Authors: J.K. Tuli, P. Blokhin, J. Kaur, J.Y. Lee and N. Sharma   Citation:Nuclear Data Sheets 114, 661 (2013)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
211
83
Bi
 0.0    9/2-   2.14 m 2    β-: 0.276 4  574   
211
84
Po
 

Beta-:

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




   172.9 18    574 5      0.276 %  4.77E-4

Mean beta- energy: 172.9 keV , total beta- intensity: 0.276 % , mean beta- dose: 4.772E-4 MeV/Bq-s