Results:2 different decay possibilities were found


Dataset #1:

Author: S. -c. Wu   Citation:Nuclear Data Sheets 106, 619 (2005)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
189
83
Bi
 1858    (1/2+)   5.0 ms 4    α   7270   
185
81
Tl
 

Alphas:

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



  7114 7      10 % 3   0.71 18 
  7294 6      73 % 5   5.3 4 

Dataset #2:

Author: S. -c. Wu   Citation:Nuclear Data Sheets 106, 619 (2005)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
189
83
Bi
 0.0    (9/2-)   674 ms 11    α: 100  7270   
185
81
Tl
 

Alphas:

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



  6550 15       0.9 % 7   0.06 4 
  6670.9 22      71 % 7   4.7 5 
  6833 6       1.0 % 5   0.07 3 
  7115 4       4.5 % 23   0.32 16