Results:2 different decay possibilities were found


Dataset #1:

Authors: J. C. Batchelder and A. M. Hurst, M. S. Basunia   Citation:Nuclear Data Sheets 183, 1 (2022)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
186
81
Tl
 41439    (10-)   3.32 s 11    IT: 94.1 3      
186
81
Tl
 

Electrons:

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



Auger L     7.78      11.5 % 3   8.94E-4 22 
Auger K    55.2       0.35 % 4   1.95E-4 21 
CE K   180.97 10        0.13 % 9   2.4E-4 17 
CE L   251.15 10        0.034 % 6   8.4E-5 15 
CE M   262.80 10        0.0082 % 12   2.2E-5 3 
CE N   265.65 10        0.0021 % 3   5.5E-6 9 
CE O   266.43 10        3.9E-4 % 7   1.03E-6 19 
CE K   288.67 10        9.43 %  0.0272
CE L   358.85 10       10.33 %  0.0371
CE M   370.50 10        2.72 %  0.01009
CE N   373.35 10        0.688 %  0.00257
CE O   374.13 10        0.1221 %  4.57E-4

Gamma and X-ray radiation:

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



XR l    10.3       6.7 % 3   6.9E-4 3 
    18.2 4  S      4.5E-7 % 13   8.2E-11 24 
XR kα2    70.832       2.64 % 6   0.00187 4 
XR kα1    72.873       4.43 % 10   0.00323 7 
XR kβ3    82.115       0.535 % 12   4.39E-4 10 
XR kβ1    82.574       1.024 % 23   8.45E-4 19 
XR kβ2    84.865       0.373 % 8   3.17E-4 7 
   266.5 1        0.52 % 5   0.00138 13 
   374.2 1       93.582 %  0.35019

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
    18.2266.5
   266.518.2

Dataset #2:

Author: Balraj Singh   Citation:Nuclear Data Sheets 130, 21 (2015)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
186
81
Tl
 0+X    (7+)   27.5 s 10    α   5990 30   
182
79
Au
 

Alphas:

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



 ≈5760      0.0060 %  3.5E-4