Results:2 different decay possibilities were found


Dataset #1:

Authors: Jun Chen, Balraj Singh   Citation:Nuclear Data Sheets 164, 1 (2020)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
98
40
Zr
 6603.73    (17-)   1.9 µs 2    IT       
98
40
Zr
 

Electrons:

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



Auger L     2.02      98 % 19   0.0020 4 
Auger K    13.4      20 % 5   0.0027 6 
CE K    45.00 10       77 % 18   0.035 8 
CE L    60.47 10       20 % 5   0.012 3 
CE M    62.57 10        3.5 % 8   0.0022 5 
CE N    62.95 10        0.44 % 10   2.8E-4 7 

Gamma and X-ray radiation:

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



XR l     2.04       3.2 % 6   6.5E-5 13 
XR kα2    15.691      16 % 4   0.0026 6 
XR kα1    15.775      32 % 7   0.0050 12 
XR kβ3    17.653       2.4 % 6   4.3E-4 10 
XR kβ1    17.667       4.7 % 11   8.3E-4 20 
XR kβ2    17.969       0.96 % 23   1.7E-4 4 
    63.0 1       17 % 4   0.011 3 
   240.1 1       10 % 10   0.024 24 
   511.9 1       31 % 7   0.16 4 
   583.2 1       39 % 8   0.23 5 
   620.4 1       67 % 13   0.42 8 
   622.6 1       56 % 11   0.35 7 
   647.0 1       55 % 11   0.36 7 
   717.7 1       59 % 11   0.42 8 
   725.4 1       53 % 10   0.38 7 
   752.6 1       16 % 3   0.120 23 
   768.4 1       40 % 8   0.31 6 
   770.0 1       44 % 9   0.34 7 
   776.0 1       28 % 6   0.22 5 
   804.3 1       72 % 14   0.58 11 
   820.4 1       68 % 13   0.56 11 
   834.6 1       37 % 7   0.31 6 
   952.1 1       40 % 8   0.38 8 
   994.2 2        8 % 3   0.08 3 
  1221.0 5       13 % 8   0.16 10 
  1222.7 2      100 % 18   1.22 22 
  1258.2 2       21 % 5   0.26 6 

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
    63.0203.6, 240.1, 511.9, 583.2, 620.4, 622.6, 647.0, 717.7, 725.4, 752.6, 768.4, 770.0,
776.0, 804.3, 820.4, 834.6, 952.1, 994.2, 1221.0, 1222.7, 1258.2
   203.663.0, 620.4, 622.6, 717.7, 752.6, 776.0, 804.3, 820.4, 1222.7
   240.163.0, 583.2, 622.6, 717.7, 752.6, 776.0, 804.3, 820.4, 1222.7
   511.963.0, 583.2, 620.4, 622.6, 717.7, 804.3, 820.4, 1221.0, 1222.7, 1258.2
   583.263.0, 240.1, 511.9, 622.6, 717.7, 752.6, 776.0, 804.3, 820.4, 994.2, 1222.7, 1258.2
   620.463.0, 203.6, 511.9, 622.6, 647.0, 717.7, 725.4, 752.6, 768.4, 770.0, 776.0, 804.3,
820.4, 834.6, 952.1, 1221.0, 1222.7
   622.663.0, 203.6, 240.1, 511.9, 583.2, 620.4, 717.7, 752.6, 776.0, 804.3, 820.4, 994.2,
1221.0, 1222.7, 1258.2
   647.063.0, 620.4, 725.4, 768.4, 770.0, 834.6, 952.1, 1222.7
   717.763.0, 203.6, 240.1, 511.9, 583.2, 620.4, 622.6, 752.6, 776.0, 804.3, 820.4, 994.2,
1221.0, 1222.7, 1258.2
   725.463.0, 620.4, 647.0, 768.4, 770.0, 834.6, 952.1, 1222.7
   752.663.0, 203.6, 240.1, 583.2, 620.4, 622.6, 717.7, 776.0, 804.3, 820.4, 1222.7
   768.463.0, 620.4, 647.0, 725.4, 770.0, 834.6, 952.1, 1222.7
   770.063.0, 620.4, 647.0, 725.4, 768.4, 834.6, 952.1, 1222.7
   776.063.0, 203.6, 240.1, 583.2, 620.4, 622.6, 717.7, 752.6, 804.3, 820.4, 994.2, 1222.7
   804.363.0, 203.6, 240.1, 511.9, 583.2, 620.4, 622.6, 717.7, 752.6, 776.0, 820.4, 994.2,
1221.0, 1222.7, 1258.2
   820.463.0, 203.6, 240.1, 511.9, 583.2, 620.4, 622.6, 717.7, 752.6, 776.0, 804.3, 994.2,
1221.0, 1222.7, 1258.2
   834.663.0, 620.4, 647.0, 725.4, 768.4, 770.0, 952.1, 1222.7
   952.163.0, 620.4, 647.0, 725.4, 768.4, 770.0, 834.6, 1222.7
   994.263.0, 583.2, 622.6, 717.7, 776.0, 804.3, 820.4, 1222.7
  1221.063.0, 511.9, 620.4, 622.6, 717.7, 804.3, 820.4, 1222.7
  1222.763.0, 203.6, 240.1, 511.9, 583.2, 620.4, 622.6, 647.0, 717.7, 725.4, 752.6, 768.4,
770.0, 776.0, 804.3, 820.4, 834.6, 952.1, 994.2, 1221.0, 1258.2
  1258.263.0, 511.9, 583.2, 622.6, 717.7, 804.3, 820.4, 1222.7

Dataset #2:

Authors: Jun Chen, Balraj Singh   Citation:Nuclear Data Sheets 164, 1 (2020)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
98
40
Zr
 0.0    0+   30.7 s 4    β-: 100  2238 10   
98
41
Nb
 

Beta-:

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




   905.8 47   2238 10    100 %  0.906

Mean beta- energy: 905.8 keV , total beta- intensity: 100 % , mean beta- dose: 0.906 MeV/Bq-s