Results:2 different decay possibilities were found


Dataset #1:

Authors: H. Iimura, J.Katakura, S. Ohya   Citation:Nuclear Data Sheets 180, 1 (2022)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
126
53
I
 0.0    2-   12.93 d 5    ε: 52.7 5  2154   
126
52
Te
 

Beta+:

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




   216.0 18    466 4       0.196 % 8   4.23E-4 18 
   529.3 18   1132 4       0.80 % 3   0.00424 16 

Mean beta+ energy: 468 keV 22, total beta+ intensity: 1.00 % 3, mean beta+ dose: 0.0047 MeV/Bq-s 3

Electrons:

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



Auger L     3.19      42.6 % 8   0.001360 25 
Auger K    22.7       5.54 % 21   0.00126 5 
CE K   634.517 12        0.1066 % 23   6.77E-4 15 
CE L   661.392 12        0.0142 % 3   9.36E-5 19 
CE K   663.1862 3        5.8E-7 % 6   3.9E-9 4 
CE M   665.325 12        0.00283 % 6   1.88E-5 4 
CE L   690.0608 3        7.7E-8 % 8   5.3E-10 5 
CE M   693.9940 3        1.53E-8 % 16   1.06E-10 11 
CE K   722.005 13        0.01009 % 23   7.28E-5 16 
CE L   748.880 13        0.00130 % 3   9.76E-6 22 
CE M   752.813 13        2.60E-4 % 5   1.96E-6 4 

Gamma and X-ray radiation:

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



XR l     3.77       4.02 % 18   1.52E-4 7 
XR kα2    27.202      11.1 % 3   0.00302 9 
XR kα1    27.472      20.5 % 6   0.00563 17 
XR kβ3    30.944       1.89 % 6   5.85E-4 18 
XR kβ1    30.995       3.64 % 11   0.00113 3 
XR kβ2    31.704       1.05 % 3   3.33E-4 10 
Annihil.   511.0       1.99 % 6  
   666.331 12       32.9 % 5   0.219 3 
   695.0 ?      2.00E-4 % 20   1.39E-6 14 
   753.819 13        4.15 % 6   0.0313 5 
  1206.8 3        4.6E-4 % 13   5.6E-6 16 
  1378.76       0.00237 % 16   3.27E-5 22 
  1420.19 3        0.304 % 9   0.00432 12 
  2045.09 5        0.0046 % 4   9.4E-5 8 

Gamma Coincidence Data:

For each gamma, the list of gammas in coincidence is given.
If experimentally known, an estimate of the average time interval (in seconds) between both gammas is given.

E(γ)Coincidence
   666.331695.0, 753.819, 1206.8, 1378.76
   695.0666.331
   753.819666.331
  1206.8666.331
  1378.76666.331

Dataset #2:

Authors: H. Iimura, J.Katakura, S. Ohya   Citation:Nuclear Data Sheets 180, 1 (2022)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
126
53
I
 0.0    2-   12.93 d 5    β-: 47.3 5  1236   
126
54
Xe
 

Beta-:

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




   103.9 17    356 4      3.65 % 7   0.00379 10 
   283.8 20    847 4     33.4 % 7   0.0948 21 
   452.5 21   1236 4     10.3 % 7   0.047 3 

Mean beta- energy: 307 keV 10, total beta- intensity: 47.3 % 10, mean beta- dose: 0.145 MeV/Bq-s 6

Electrons:

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



Auger L     3.43       0.553 % 11   1.90E-5 4 
Auger K    24.6       0.065 % 3   1.60E-5 8 
CE K   354.072 11        0.556 % 13   0.00197 4 
CE L   383.180 11        0.0865 % 21   3.31E-4 8 
CE M   387.491 11        0.0178 % 4   6.90E-5 15 
CE N   388.425 11        0.00363 % 8   1.41E-5 3 
CE O   388.617 11        4.27E-4 % 10   1.66E-6 4 
CE K   456.682 11        0.0230 % 5   1.052E-4 24 
CE L   485.790 11        0.00335 % 8   1.63E-5 4 
CE M   490.101 11        6.85E-4 % 17   3.36E-6 8 
CE N   491.035 11        1.40E-4 % 3   6.89E-7 16 
CE O   491.227 11        1.68E-5 % 4   8.26E-8 19 

Gamma and X-ray radiation:

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



XR l     4.11       0.059 % 3   2.44E-6 13 
XR kα2    29.461       0.147 % 5   4.32E-5 14 
XR kα1    29.782       0.270 % 9   8.0E-5 3 
XR kβ3    33.562       0.0252 % 8   8.5E-6 3 
XR kβ1    33.624       0.0488 % 15   1.64E-5 5 
XR kβ2    34.419       0.0148 % 5   5.08E-6 16 
   388.633 11       35.6 % 6   0.1383 24 
   491.243 11        2.88 % 5   0.01415 25 
   879.876 13        0.743 % 15   0.00654 13 

Gamma Coincidence Data:

For each gamma, the list of gammas in coincidence is given.
If experimentally known, an estimate of the average time interval (in seconds) between both gammas is given.

E(γ)Coincidence
   388.633491.243 (4.12E-11)
   491.243388.633 (4.12E-11)