Results:2 different decay possibilities were found


Dataset #1:

Author: F.G. Kondev   Citation:Nuclear Data Sheets 166, 1 (2020)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
205
82
Pb
 1013.853    13/2+   5.55 ms 2    IT: 100      
205
82
Pb
 

Electrons:

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



Auger L     7.97      47 % 4   0.0038 3 
CE L    10.359 11       72 % 10   0.0075 10 
CE M    22.369 11       20 % 3   0.0045 6 
CE N    25.326 11        5.2 % 7   0.00132 18 
CE O    26.145 11        1.00 % 14   2.6E-4 4 
CE P    26.219 11        0.076 % 11   2.0E-5 3 
Auger K    56.7       0.15 % 3   8.5E-5 17 
CE K   196.15 10        3.3 % 7   0.0065 13 
CE K   222.35 5        0.119 % 11   2.6E-4 3 
CE L   268.29 10        0.60 % 9   0.0016 3 
CE M   280.30 10        0.141 % 21   3.9E-4 6 
CE N   283.26 10        0.036 % 5   1.01E-4 15 
CE O   284.07 10        0.0070 % 11   2.0E-5 3 
CE P   284.15 10        7.3E-4 % 13   2.1E-6 4 
CE L   294.49 5        0.212 % 20   6.3E-4 6 
CE M   306.50 5        0.057 % 5   1.75E-4 17 
CE N   309.46 5        0.0145 % 14   4.5E-5 4 
CE O   310.27 5        0.0026 % 3   8.2E-6 8 
CE P   310.35 5        1.52E-4 % 15   4.7E-7 5 
CE K   615.45 5        0.152 % 20   9.4E-4 12 
CE L   687.59 5        0.035 % 5   2.4E-4 3 
CE M   699.60 5        0.0085 % 11   6.0E-5 8 
CE N   702.56 5        0.0022 % 3   1.52E-5 20 
CE O   703.37 5        4.2E-4 % 5   2.9E-6 4 
CE P   703.45 5        3.7E-5 % 5   2.6E-7 3 
CE K   899.66 5        0.460 % 12   0.00414 11 
CE K   925.80 10        0.045 % 11   4.2E-4 10 
CE L   971.80 5        0.0901 % 23   8.75E-4 22 
CE M   983.81 5        0.0215 % 6   2.11E-4 6 
CE N   986.77 5        0.00544 % 14   5.36E-5 14 
CE O   987.58 5        0.00106 % 3   1.05E-5 3 
CE P   987.66 5        1.02E-4 % 3   1.01E-6 3 
CE L   997.94 10        0.012 % 3   1.2E-4 3 
CE M  1009.95 10        0.0029 % 7   2.9E-5 7 
CE N  1012.91 10        7.4E-4 % 18   7.5E-6 18 
CE O  1013.72 10        1.5E-4 % 4   1.5E-6 4 
CE P  1013.80 10        1.4E-5 % 3   1.4E-7 3 

Gamma and X-ray radiation:

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



XR l    10.6      29 % 4   0.0031 4 
    26.220 11        0.0086 % 12   2.3E-6 3 
XR kα2    72.805       1.13 % 18   8.2E-4 13 
XR kα1    74.969       1.9 % 3   0.00141 23 
XR kβ3    84.45       0.23 % 4   1.9E-4 3 
XR kβ1    84.938       0.44 % 7   3.7E-4 6 
XR kβ2    87.3       0.16 % 3   1.39E-4 23 
   284.15 10        8.9 % 13   0.025 4 
   310.35 5        0.74 % 7   0.00230 22 
   703.45 5       14.0 % 18   0.098 13 
   987.66 5       84.8 % 18   0.838 18 
  1013.8 1        0.41 % 10   0.0042 10 

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
    26.220284.15, 703.45, 987.66
   284.1526.220, 703.45
   310.35703.45
   703.4526.220, 284.15, 310.35
   987.6626.220

Dataset #2:

Author: F.G. Kondev   Citation:Nuclear Data Sheets 166, 1 (2020)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
205
82
Pb
 0.0    5/2-   1.70×10+7 y 9    ε: 100  50.6   
205
81
Tl
 

Electrons:

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



Auger L     7.78      37.9 % 9   0.00295 7 

Gamma and X-ray radiation:

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



XR l    10.3      22.0 % 9   0.00227 9