Results:2 different decay possibilities were found


Dataset #1:

Authors: Janos Timar and Zoltan Elekes, Balraj Singh   Citation:Nuclear Data Sheets 121, 143 (2014)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
129
53
I
 0.0    7/2+   1.57E7 y 4    β-: 100  189   
129
54
Xe
 

Beta-:

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




    40.03 92    149 3     100.0 % 10    0.0400 10 


Mean beta- energy: 40.0 keV 11, total beta- intensity: 100.0 % 10, mean beta- dose: 0.0400 MeV/Bq-s 12

Electrons:

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



Auger L      3.43       72.4 % 22    0.00248 8 
CE K      5.017 4        77 % 3    0.00387 13 
Auger K     24.6        8.6 % 5    0.00213 12 
CE L     34.125 4        10.6 % 4    0.00361 13 
CE M     38.436 4         2.15 % 8    8.3E-4 3 
CE N     39.370 4         0.444 % 16    1.75E-4 6 
CE O     39.562 4         0.0550 % 19    2.17E-5 7 


Gamma and X-ray radiation:

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



XR l      4.11       7.8 % 5    3.20E-4 19 
XR kα2     29.461      19.5 % 8    0.00575 24 
XR kα1     29.782      35.9 % 15    0.0107 4 
XR kβ3     33.562       3.36 % 14    0.00113 5 
XR kβ1     33.624       6.5 % 3    0.00218 9 
XR kβ2     34.419       1.97 % 8    6.8E-4 3 
    39.578 4        7.51 % 23    0.00297 9 

Dataset #2:

Authors: Janos Timar and Zoltan Elekes, Balraj Singh   Citation:Nuclear Data Sheets 121, 143 (2014)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
129
53
I
 0.0    7/2+   1.57E+7 y 4    β-: 100  189   
129
54
Xe
 

Beta-:

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




    40.03 92    149 3     100.0 % 10    0.0400 10 


Mean beta- energy: 40.0 keV 11, total beta- intensity: 100.0 % 10, mean beta- dose: 0.0400 MeV/Bq-s 12

Electrons:

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



Auger L      3.43       72.4 % 22    0.00248 8 
CE K      5.017 4        77 % 3    0.00387 13 
Auger K     24.6        8.6 % 5    0.00213 12 
CE L     34.125 4        10.6 % 4    0.00361 13 
CE M     38.436 4         2.15 % 8    8.3E-4 3 
CE N     39.370 4         0.444 % 16    1.75E-4 6 
CE O     39.562 4         0.0550 % 19    2.17E-5 7 


Gamma and X-ray radiation:

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



XR l      4.11       7.8 % 5    3.20E-4 19 
XR kα2     29.461      19.5 % 8    0.00575 24 
XR kα1     29.782      35.9 % 15    0.0107 4 
XR kβ3     33.562       3.36 % 14    0.00113 5 
XR kβ1     33.624       6.5 % 3    0.00218 9 
XR kβ2     34.419       1.97 % 8    6.8E-4 3 
    39.578 4        7.51 % 23    0.00297 9