Results:2 different decay possibilities were found


Dataset #1:

Author: F.G. Kondev   Citation:Nuclear Data Sheets 187, 355 (2023)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
201
81
Tl
 919.4711    (9/2-)   2.11 ms 11    IT: 100      
201
81
Tl
 

Electrons:

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



Auger L     7.78       9.7 % 3   7.5E-4 3 
Auger K    55.2       0.51 % 6   2.8E-4 3 
CE K   245.57 20       10.4 % 4   0.0256 11 
CE L   315.75 20        2.63 % 5   0.00829 17 
CE M   327.40 20        0.641 % 12   0.00210 4 
CE N   330.25 20        0.161 % 3   5.32E-4 10 
CE O   331.03 20        0.0300 % 5   9.92E-5 18 
CE K   502.77 10        3.26 % 5   0.01641 24 
CE L   572.95 10        1.577 % 22   0.00903 12 
CE M   584.60 10        0.403 % 6   0.00236 3 
CE N   587.45 10        0.1016 % 14   5.97E-4 8 
CE O   588.23 10        0.0185 % 3   1.087E-4 15 

Gamma and X-ray radiation:

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



XR l    10.3       5.6 % 3   5.8E-4 3 
XR kα2    70.832       3.78 % 15   0.00267 10 
XR kα1    72.873       6.34 % 24   0.00462 17 
XR kβ3    82.115       0.76 % 3   6.28E-4 24 
XR kβ1    82.574       1.46 % 6   0.00121 5 
XR kβ2    84.865       0.534 % 20   4.53E-4 17 
   331.1 2       86.1 % 4   0.2851 13 
   588.3 1       94.63 % 7   0.5567 4 

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
   331.1588.3 (7.00E-11)
   588.3331.1 (7.00E-11)

Dataset #2:

Author: F.G. Kondev   Citation:Nuclear Data Sheets 187, 355 (2023)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
201
81
Tl
 0.0    1/2+   3.0420 d 16    ε   482 14   
201
80
Hg
 

Electrons:

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



CE M     2.333 20        0.077 % 8   1.81E-6 18 
CE N     5.095 20        0.0195 % 20   9.9E-7 10 
CE O     5.838 20        0.0037 % 4   2.15E-7 22 
Auger L     7.6      76.8 % 23   0.00583 18 
CE L    11.4345 10        0.46 % 6   5.2E-5 6 
CE L    15.76 3        9.18 % 25   0.00145 4 
CE L    17.35 3        8.10 % 21   0.00141 4 
CE M    22.7122 11        0.107 % 13   2.4E-5 3 
CE N    25.4735 10        0.027 % 3   6.8E-6 8 
CE O    26.2164 3        0.0051 % 6   1.33E-6 16 
CE M    27.04 3        2.14 % 6   5.79E-4 16 
CE M    28.63 3        1.89 % 5   5.42E-4 15 
CE N    29.80 3        0.537 % 15   1.60E-4 4 
CE O    30.54 3        0.101 % 3   3.10E-5 9 
CE N    31.39 3        0.474 % 13   1.49E-4 4 
CE O    32.13 3        0.0897 % 24   2.88E-5 8 
CE K    52.24 4        7.06 % 14   0.00369 7 
Auger K    53.8       3.7 % 4   0.00197 22 
CE K    58.00 20        9.7E-4 % 10   5.6E-7 6 
CE K    82.78 7        0.225 % 5   1.86E-4 4 
CE K    84.33 7       14.9 %  0.01253
CE L   120.50 4        1.206 % 23   0.00145 3 
CE L   126.26 20        0.00198 % 20   2.5E-6 3 
CE M   131.78 4        0.281 % 6   3.71E-4 8 
CE N   134.54 4        0.0706 % 14   9.50E-5 18 
CE O   135.28 4        0.0133 % 3   1.80E-5 4 
CE M   137.54 20        5.1E-4 % 5   7.1E-7 7 
CE N   140.30 20        1.28E-4 % 13   1.79E-7 18 
CE O   141.04 20        2.13E-5 % 22   3.0E-8 3 
CE L   151.04 7        0.0379 % 9   5.73E-5 13 
CE L   152.59 7        2.52 %  0.00385
CE M   162.32 7        0.00885 % 19   1.44E-5 3 
CE M   163.87 7        0.588 %  9.64E-4
CE N   165.08 7        0.00222 % 5   3.66E-6 8 
CE O   165.82 7        4.20E-4 % 9   6.97E-7 15 
CE N   166.63 7        0.1474 %  2.46E-4
CE O   167.37 7        0.0279 %  4.67E-5

Gamma and X-ray radiation:

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



     1.5648 10        0.001100 %  1.72E-8 17 
     5.895 20  S      7.00E-5 %  4.1E-9 4 
XR l     9.99      42.3 % 19   0.00422 19 
    26.2738 3        0.0082 % 10   2.2E-6 3 
    30.60 3        0.258 % 6   7.89E-5 18 
    32.19 3        0.263 % 6   8.47E-5 19 
XR kα2    68.894      26.6 % 10   0.0183 7 
XR kα1    70.818      44.7 % 17   0.0317 12 
XR kβ3    79.824       5.40 % 20   0.00431 16 
XR kβ1    80.225      10.3 % 4   0.0083 3 
XR kβ2    82.473       3.74 % 14   0.00308 12 
   135.34 4        2.605 % 32   0.00353 4 
   141.1 2        0.0026 %  3.7E-6 4 
   165.88 7        0.1470 % 25   2.44E-4 4 
   167.43 7       10.00 %  0.01674

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
     1.564830.60 (8.10E-8), 135.34 (8.10E-8), 165.88 (8.10E-8)
     5.89526.2738 (6.29E-10), 135.34 (5.50E-11)
    26.27385.895 (6.29E-10), 135.34 (6.84E-10), 141.1 (6.29E-10)
    30.601.5648 (8.10E-8), 135.34 (5.50E-11)
    32.19135.34 (5.50E-11)
   135.341.5648 (8.10E-8), 5.895 (5.50E-11), 26.2738 (6.84E-10), 30.60 (5.50E-11), 32.19 (5.50E-11)
   141.126.2738 (6.29E-10)
   165.881.5648 (8.10E-8)