Results:2 different decay possibilities were found


Dataset #1:

Author: Coral M. Baglin   Citation:Nuclear Data Sheets 134, 149 (2016)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
187
83
Bi
 11211    (1/2+)   0.370 ms 20    α: 100  7779   
183
81
Tl
 

Alphas:

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



  7721 8     100 % 14   7.7 11 

Dataset #2:

Author: Coral M. Baglin   Citation:Nuclear Data Sheets 134, 149 (2016)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
187
83
Bi
 0.0    (9/2-)   38 ms 3    α: 100  7779   
183
81
Tl
 

Alphas:

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



  7000 5      88 % 9   6.2 6 
  7342 15  ?     3.0 % 8   0.22 6 
  7612 5       9.0 % 10   0.69 8