Results:2 different decay possibilities were found


Dataset #1:

Author: N. Nica   Citation:Nuclear Data Sheets 160, 1 (2019)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
159
73
Ta
 645    11/2-   518 ms 19    α: 55 1  5681   
155
71
Lu
 

Alphas:

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



  5600 5      55.0 %  3.08

Dataset #2:

Author: N. Nica   Citation:Nuclear Data Sheets 160, 1 (2019)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
159
73
Ta
 0.0    1/2+   1.04 s 9    α   5681   
155
71
Lu
 

Alphas:

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



  5518 5      34 %  1.9