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
72
Hf
 1141.72921    8-   5.53 h 2    IT       
180
72
Hf
 

Electrons:

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



Auger L     6.18      68.0 % 11   0.00420 7 
CE K    27.973 15       17.8 % 6   0.00498 17 
Auger K    44.8       1.72 % 14   7.7E-4 6 
CE L    46.267 17       11.0 % 3   0.00511 14 
CE M    54.937 17        2.51 % 7   0.00138 4 
CE N    57.000 17        0.579 % 15   3.30E-4 9 
CE O    57.509 17        0.0786 % 20   4.52E-5 12 
CE L    82.053 15       44.5 % 15   0.0365 12 
CE M    90.723 15       11.1 % 4   0.0101 3 
CE N    92.786 15        2.57 % 9   0.00239 8 
CE O    93.295 15        0.324 % 11   3.03E-4 10 
CE K   150.075 13       11.1 % 3   0.0167 5 
CE L   204.155 13        5.52 % 16   0.0113 3 
CE M   212.825 13        1.35 % 4   0.00287 8 
CE N   214.888 13        0.314 % 9   6.75E-4 20 
CE O   215.397 13        0.0415 % 12   8.9E-5 3 
CE K   266.923 15        3.93 % 12   0.0105 3 
CE L   321.003 15        1.21 % 4   0.00389 12 
CE M   329.673 15        0.290 % 9   9.6E-4 3 
CE N   331.736 15        0.0679 % 20   2.25E-4 7 
CE O   332.245 15        0.0093 % 3   3.10E-5 9 
CE K   377.811 15        1.64 % 6   0.00620 21 
CE L   431.891 15        0.397 % 13   0.00171 6 
CE K   435.346 15        0.577 % 18   0.00251 8 
CE M   440.561 15        0.094 % 3   4.12E-4 14 
CE N   442.624 15        0.0220 % 7   9.7E-5 3 
CE O   443.133 15        0.00310 % 11   1.38E-5 5 
CE L   489.426 15        0.221 % 7   0.00108 3 
CE M   498.096 15        0.0539 % 17   2.68E-4 9 
CE N   500.159 15        0.0127 % 4   6.34E-5 20 
CE O   500.668 15        0.00175 % 6   8.7E-6 3 

Gamma and X-ray radiation:

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



XR l     7.9      23.9 % 10   0.00189 8 
XR kα2    54.611       9.6 % 3   0.00523 15 
XR kα1    55.79      16.5 % 5   0.0092 3 
    57.538 17       48.0 % 10   0.0276 6 
XR kβ3    62.985       1.85 % 5   0.00117 3 
XR kβ1    63.243       3.58 % 10   0.00226 6 
XR kβ2    64.942       1.22 % 3   7.92E-4 22 
    93.324 15       16.5 % 5   0.0154 5 
   215.426 13       81.6 % 20   0.176 4 
   332.274 15       94 % 3   0.313 8 
   443.162 15       81.7 % 25   0.362 11 
   500.697 15       14.2 % 4   0.0712 20 

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
    57.53893.324 (1.59E-9), 215.426 (7.10E-11), 332.274, 443.162
    93.32457.538 (1.59E-9), 215.426 (1.52E-9), 332.274 (1.59E-9), 443.162 (1.59E-9), 500.697 (1.59E-9)
   215.42657.538 (7.10E-11), 93.324 (1.52E-9), 332.274 (7.10E-11), 443.162 (7.10E-11), 500.697 (7.10E-11)
   332.27457.538, 93.324 (1.59E-9), 215.426 (7.10E-11), 443.162, 500.697
   443.16257.538, 93.324 (1.59E-9), 215.426 (7.10E-11), 332.274
   500.69793.324 (1.59E-9), 215.426 (7.10E-11), 332.274

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
72
Hf
 1141.55215    8-   5.53 h 2    β-: 0.31 8  -846   
180
73
Ta
 

Beta-:

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




    30.93 83    118 3      0.024 % 7   7.4E-6 21 
    59.72 96    218 3      0.30 % 11   1.8E-4 7 

Mean beta- energy: 6.E+1 keV 3, total beta- intensity: 0.32 % 11, mean beta- dose: 1.9E-4 MeV/Bq-s 11

Electrons:

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



Auger L     6.35       0.00364 % 6   2.31E-7 4 
CE K    33.28 5        0.00501 %  1.67E-6
Auger K    46.2       2.41E-4 % 20   1.11E-7 9 
CE L    89.02 5        8.61E-4 %  7.67E-7
CE M    97.99 5        1.96E-4 %  1.92E-7

Gamma and X-ray radiation:

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



XR l     8.15       0.00136 % 6   1.11E-7 5 
XR kα2    56.28       0.00137 % 3   7.70E-7 17 
XR kα1    57.535       0.00237 % 5   1.36E-6 3 
XR kβ3    64.948       2.67E-4 % 6   1.73E-7 4 
XR kβ1    65.222       5.16E-4 % 11   3.37E-7 7 
XR kβ2    66.982       1.77E-4 % 4   1.185E-7 23 
   100.70 5        0.017 %  1.7E-5