Results:2 different decay possibilities were found


Dataset #1:

Author: N. Nica and B. Singh   Citation:Nuclear Data Sheets 181, 1 (2022)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
151
67
Ho
 0.0    (11/2-)   35.2 s 1    α: 22 3  4695.0 18   
147
65
Tb
 

Alphas:

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



  4321      0.0011 % 11   5E-5 5 
  4373      0.0070 % 16   3.1E-4 7 
  4522.1     22 %  0.99
  4568      0.004 % 4   2.0E-4 20 

Dataset #2:

Author: N. Nica and B. Singh   Citation:Nuclear Data Sheets 181, 1 (2022)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
151
67
Ho
 41.02    (1/2+)   47.2 s 13    α: 80 +15-20  4695.0 18   
147
65
Tb
 

Alphas:

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



  4256      0.19 % 4   0.0080 18 
  4357      0.008 % 8   3E-4 4 
  4562      0.024 % 25   0.0011 11 
  4610.6 22      80 %  3.7