Results:2 different decay possibilities were found


Dataset #1:

Author: C.D. Nesaraja   Citation:Nuclear Data Sheets 204, 374 (2025)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
248
97
Bk
 0.0+X    1(-)   23.7 h 2    β-: 70 5  890 50   
248
98
Cf
 

Beta-:

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




    81 15      3.0E+2 5      5.0 % 6   0.0041 9 
   261 18      8.5E+2 5     20 % 10   0.05 3 
   275 18      8.9E+2 5     45 % 11   0.12 3 

Mean beta- energy: 2.6E+2 keV 8, total beta- intensity: 70 % 15, mean beta- dose: 0.18 MeV/Bq-s 7

Electrons:

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



Auger L    11.2       0.0237 % 24   2.6E-6 3 
Auger K    83.3       0.0015 % 3   1.27E-6 22 
CE K   415.73 11        0.054 % 5   2.26E-4 23 
CE L   524.68 10        0.0105 % 11   5.5E-5 6 
CE M   543.95 10        0.0025 % 3   1.38E-5 14 
CE N   548.89 10        7.0E-4 % 7   3.8E-6 4 
CE O   550.52 10        1.80E-4 % 18   9.9E-7 10 
CE P   550.67 10        3.4E-5 % 3   1.84E-7 19 

Gamma and X-ray radiation:

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



XR l    15.7       0.029 % 3   4.6E-6 4 
XR kα2   109.831       0.0156 % 16   1.71E-5 18 
XR kα1   115.032       0.0241 % 25   2.8E-5 3 
XR kβ3   128.594       0.0031 % 3   4.0E-6 4 
XR kβ1   129.823       0.0058 % 6   7.5E-6 8 
XR kβ2   133.483       0.00231 % 24   3.1E-6 3 
   550.7 1        5.0 % 5   0.028 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
    41.53550.7
   550.741.53

Dataset #2:

Author: C.D. Nesaraja   Citation:Nuclear Data Sheets 204, 374 (2025)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
248
97
Bk
 0.0+X    1(-)   23.7 h 2    ε: 30 5  740 50   
248
96
Cm
 

Electrons:

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



Auger L    10.7      12.7 % 22   0.00136 24 
CE L    18.87 4        4.77 %  9.01E-4
CE M    37.06 3        1.34 %  4.98E-4
CE N    41.71 3        0.374 %  1.56E-4
CE O    43.23 3        0.0903 %  3.90E-5
CE P    43.38 3        0.0148 %  6.40E-6
Auger K    79.6       0.59 % 17   4.7E-4 14 

Gamma and X-ray radiation:

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



XR l    15.0      15 % 3   0.0022 4 
    43.399 25  S      0.0066 %  2.9E-6
XR kα2   104.59       6.0 % 15   0.0063 16 
XR kα1   109.271       9.5 % 24   0.010 3 
XR kβ3   122.304       1.2 % 3   0.0015 4 
XR kβ1   123.403       2.2 % 6   0.0028 7 
XR kβ2   126.889       0.89 % 23   0.0011 3