Results:2 different decay possibilities were found


Dataset #1:

Author: N. Nica   Citation:Nuclear Data Sheets 195, 1 (2024)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
166
74
W
 0.0    0+   19.2 s 6    α: 0.035 12  4856   
162
72
Hf
 

Alphas:

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



  4739 4       0.035 %  0.0017

Dataset #2:

Author: Coral M. Baglin   Citation:Nuclear Data Sheets 109, 1103 (2008)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
166
74
W
 0.0    0+   19.2 s 6    ε: 99.965 12  4206 30   
166
73
Ta
 

Beta+:

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




  1259 14      2.79E+3 3       3.4 % 5   0.043 6 
  1280 14  ?    2.83E+3 3       0.15 % 15   0.0019 19 
  1304 14  ?    2.89E+3 3       0.15 % 15   0.0020 20 
  1382 14      3.06E+3 3      36 % 4   0.50 6 

Mean beta+ energy: 1.37E+3 keV 20, total beta+ intensity: 40 % 4, mean beta+ dose: 0.54 MeV/Bq-s 10

Electrons:

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



Auger L     6.35      80 % 4   0.00508 23 
CE K    30.3 4        1.5 % 10   5E-4 3 
CE L    34.1 4        2.6 % 8   9E-4 3 
CE M    43.1 4        0.58 % 17   2.5E-4 8 
CE N    45.2 4        0.14 % 4   6.3E-5 19 
CE O    45.8 4        0.022 % 7   1.0E-5 3 
Auger K    46.2       4.8 % 5   0.00221 22 
CE K    58.38 20       46 %  0.027
CE L    86.0 4        0.9 % 6   8E-4 5 
CE M    95.0 4        0.23 % 15   2.2E-4 14 
CE N    97.1 4        0.06 % 4   5E-5 4 
CE O    97.7 4        0.007 % 4   7E-6 4 
CE K   105.1 3        1.0 % 6   0.0010 6 
CE L   114.12 20       15 %  0.018
CE M   123.09 20        3.6 %  0.0045
CE N   125.23 20        0.9 %  0.0011
CE O   125.77 20        0.12 %  1.6E-4
CE K   157.18 20        0.6 % 3   0.0010 5 
CE L   160.8 3        0.29 % 9   4.6E-4 14 
CE M   169.8 3        0.071 % 22   1.2E-4 4 
CE N   171.9 3        0.016 % 5   2.8E-5 8 
CE O   172.5 3        0.0024 % 5   4.1E-6 9 
CE K   202.68 20        0.11 % 6   2.3E-4 13 
CE L   212.92 20        0.153 % 16   3.2E-4 3 
CE M   221.89 20        0.036 % 5   8.0E-5 10 
CE N   224.03 20        0.0085 % 10   1.91E-5 23 
CE O   224.57 20        0.00126 % 13   2.8E-6 3 
CE L   258.42 20        0.024 % 4   6.3E-5 9 
CE M   267.39 20        0.0057 % 7   1.52E-5 20 
CE N   269.53 20        0.00135 % 18   3.6E-6 5 
CE O   270.07 20        2.0E-4 % 3   5.5E-7 9 
CE K   328.5 3        0.09 % 6   2.9E-4 19 
CE L   384.2 3        0.018 % 7   7E-5 3 
CE M   393.2 3        0.0041 % 14   1.6E-5 6 
CE N   395.3 3        1.0E-3 % 3   3.8E-6 14 
CE O   395.9 3        1.5E-4 % 6   5.8E-7 23 

Gamma and X-ray radiation:

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



XR l     8.15      29.9 % 18   0.00244 15 
    45.8 4        0.46 % 14   2.1E-4 6 
XR kα2    56.28      27.2 % 17   0.0153 9 
XR kα1    57.535      47 % 3   0.0270 16 
XR kβ3    64.948       5.3 % 3   0.00344 21 
XR kβ1    65.222      10.3 % 6   0.0067 4 
XR kβ2    66.982       3.51 % 21   0.00235 14 
    97.7 4        0.62 % 8   6.1E-4 8 
   125.8 2       33 %  0.041
   172.5 3        1.9 % 3   0.0033 5 
   224.6 2        2.6 % 3   0.0058 6 
   270.1 2        0.76 % 9   0.00204 24 
   395.9 3        1.8 % 5   0.0070 19 
Annihil.   511.0      79 % 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
    45.8125.8, 224.6
    97.7125.8, 172.5
   125.845.8, 97.7, 172.5, 224.6, 270.1
   172.597.7, 125.8
   224.645.8, 125.8
   270.1125.8