Results:3 different decay possibilities were found


Dataset #1:

Authors: E. Browne, J. K. Tuli   Citation:Nuclear Data Sheets 145, 25 (2017)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
99
43
Tc
 142.683611    1/2-   6.0072 h 9    β-: 0.0037 6  297.5 10   
99
44
Ru
 

Beta-:

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




    30.0 4    117.8 10      1.1E-4 % 8   3.3E-8 24 
   101.9 5    350.6 10      0.0026 % 5   2.6E-6 5 
   152.2 5    440.2 10      1.0E-3 % 3   1.5E-6 5 

Mean beta- energy: 1.1E+2 keV 3, total beta- intensity: 0.0037 % 6, mean beta- dose: 4.2E-6 MeV/Bq-s 12

Electrons:

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



Auger L     2.53       0.001426 % 5   3.608E-8 13 
Auger K    16.2       2.49E-4 % 5   4.03E-8 8 
CE K    67.5 3        0.00122 %  8.21E-7
CE L    86.4 3        2.75E-4 %  2.37E-7
CE M    89.0 3        5.15E-5 %  4.58E-8
CE N    89.5 3        7.72E-6 %  6.91E-9
CE K   210.68 20        3.5E-7 % 15   7E-10 3 
CE L   229.58 20        4.7E-8 % 23   1.1E-10 5 
CE M   232.21 20        9E-9 % 4   2.0E-11 10 
CE N   232.73 20        1.4E-9 % 6   3.2E-12 15 
CE K   300.28 20        1.5E-6 % 5   4.4E-9 14 
CE L   319.18 20        1.8E-7 % 6   5.9E-10 19 
CE M   321.82 20        3.4E-8 % 11   1.1E-10 3 
CE N   322.33 20        5.4E-9 % 17   1.7E-11 6 

Gamma and X-ray radiation:

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



XR l     2.56       6.77E-5 % 17   1.73E-9 4 
XR kα2    19.15       2.83E-4 % 9   5.41E-8 16 
XR kα1    19.279       5.36E-4 % 15   1.03E-7 3 
XR kβ3    21.634       4.40E-5 % 12   9.5E-9 3 
XR kβ1    21.657       8.52E-5 % 24   1.85E-8 5 
XR kβ2    22.074       2.00E-5 % 6   4.41E-9 13 
    89.6 3  S      0.0010 %  9.3E-7
   232.8 2        8.5E-6 % 20   2.0E-8 5 
   322.4 2        9.7E-5 % 17   3.1E-7 5 

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
    89.6232.8, 232.8
   232.889.6
   232.889.6

Dataset #2:

Authors: E. Browne, J. K. Tuli   Citation:Nuclear Data Sheets 145, 25 (2017)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
99
43
Tc
 142.683611    1/2-   6.0072 h 9    IT: 99.9963 6      
99
43
Tc
 

Electrons:

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



CE M     1.6286 11       85.7 %  0.001395
CE N     2.1046 20       11.29 %  2.38E-4
Auger L     2.17      10.4 % 4   2.26E-4 10 
Auger K    15.5       2.06 % 11   3.19E-4 17 
CE K   119.4670 12        8.8 % 5   0.0105 5 
CE K   121.59 3        0.65 % 6   7.9E-4 7 
CE L   137.4685 11        1.07 % 7   0.00147 9 
CE L   139.59 3        0.202 % 18   2.82E-4 25 
CE M   139.9670 14        0.194 % 11   2.72E-4 16 
CE N   140.4430 22        0.0307 % 17   4.31E-5 25 
CE M   142.09 3        0.040 % 3   5.6E-5 5 
CE N   142.56 3        0.0060 % 5   8.5E-6 8 

Gamma and X-ray radiation:

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



     2.1726 4        7.08E-9 %  1.54E-13
XR l     2.42       0.450 % 22   1.09E-5 5 
XR kα2    18.251       2.15 % 12   3.93E-4 22 
XR kα1    18.367       4.09 % 23   7.5E-4 4 
XR kβ3    20.599       0.331 % 19   6.8E-5 4 
XR kβ1    20.619       0.64 % 4   1.32E-4 7 
XR kβ2    21.005       0.145 % 8   3.05E-5 17 
   140.511 1       89 % 4   0.125 6 
   142.63 3        0.0222 % 19   3.2E-5 3 

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
     2.1726140.511
     2.1726140.511
   140.5112.1726, 2.1726

Dataset #3:

Authors: E. Browne, J. K. Tuli   Citation:Nuclear Data Sheets 145, 25 (2017)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
99
43
Tc
 0    9/2+   2.111×10+5 y 12    β-: 100  297.5 10   
99
44
Ru
 

Beta-:

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




    81.7 6    208.0 10      0.0016 % 4   1.3E-6 3 
    84.6 5    297.5 10     99.9984 % 4   0.0846 5 

Mean beta- energy: 84.6 keV 5, total beta- intensity: 100.0000 % 6, mean beta- dose: 0.0846 MeV/Bq-s 5

Electrons:

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



Auger L     2.53       8.93E-4 % 3   2.259E-8 8 
Auger K    16.2       1.56E-4 % 3   2.52E-8 5 
CE K    67.38 20        7.63E-4 %  5.14E-7
CE L    86.28 20        1.72E-4 %  1.49E-7
CE M    88.92 20        3.23E-5 %  2.87E-8
CE N    89.43 20        4.84E-6 %  4.33E-9

Gamma and X-ray radiation:

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



XR l     2.56       4.24E-5 % 10   1.08E-9 3 
XR kα2    19.15       1.77E-4 % 5   3.39E-8 10 
XR kα1    19.279       3.36E-4 % 9   6.47E-8 18 
XR kβ3    21.634       2.75E-5 % 8   5.96E-9 17 
XR kβ1    21.657       5.33E-5 % 15   1.16E-8 3 
XR kβ2    22.074       1.25E-5 % 4   2.76E-9 8 
    89.5 2        6.5E-4 %  5.8E-7