Results:2 different decay possibilities were found


Dataset #1:

Author: E.A. Mccutchan   Citation:Nuclear Data Sheets 126, 151 (2015)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
180
73
Ta
 0.0    1+   8.154 h 6    ε: 85 3  845.6 26   
180
72
Hf
 

Electrons:

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



Auger L     6.18      63.8 % 18   0.00394 11 
CE K    27.9732 21        4.87 %  0.001363
Auger K    44.8       3.6 % 3   0.00163 14 
CE L    82.0533 20       12.17 %  0.00998
CE M    90.7231 20        3.04 %  0.00276
CE N    92.7859 20        0.704 %  6.53E-4
CE O    93.2946 20        0.0888 %  8.28E-5

Gamma and X-ray radiation:

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



XR l     7.9      22.4 % 10   0.00177 8 
XR kα2    54.611      20.3 % 8   0.0111 5 
XR kα1    55.79      35.0 % 14   0.0195 8 
XR kβ3    62.985       3.93 % 16   0.00247 10 
XR kβ1    63.243       7.6 % 3   0.00480 19 
XR kβ2    64.942       2.59 % 10   0.00168 7 
    93.324 2        4.51 %  0.00421

Dataset #2:

Author: E.A. Mccutchan   Citation:Nuclear Data Sheets 126, 151 (2015)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
180
73
Ta
 0.0    1+   8.154 h 6    β-: 15 3  702   
180
74
W
 

Beta-:

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




   183.7 11    598 3      3.6 % 7   0.0066 13 
   220.8 11    702 3     10.4 % 15   0.023 3 

Mean beta- energy: 2.1E+2 keV 4, total beta- intensity: 14.0 % 17, mean beta- dose: 0.030 MeV/Bq-s 6

Electrons:

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



Auger L     6.53       1.63 % 18   1.07E-4 12 
CE K    34.07 20        0.72 % 20   2.4E-4 7 
Auger K    45.7       0.033 % 10   1.5E-5 4 
CE L    91.50 20        1.7 % 5   0.0015 4 
CE M   100.78 20        0.43 % 12   4.3E-4 12 
CE N   103.00 20        0.10 % 3   1.0E-4 3 
CE O   103.57 20        0.014 % 4   1.4E-5 4 

Gamma and X-ray radiation:

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



XR l     8.4       0.64 % 14   5.4E-5 12 
XR kα2    57.981       0.20 % 6   1.1E-4 3 
XR kα1    59.318       0.34 % 9   2.0E-4 6 
XR kβ3    66.95       0.038 % 11   2.6E-5 7 
XR kβ1    67.244       0.074 % 21   5.0E-5 14 
XR kβ2    69.067       0.026 % 7   1.8E-5 5 
   103.6 2        0.87 % 24   9E-4 3