Results:3 different decay possibilities were found


Dataset #1:

Authors: Balraj Singh, M.S. Basunia, Jun Chen Et Al.,   Citation:Nuclear Data Sheets 192, 315 (2023)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
226
89
Ac
 0    (1-)   29.37 h 12    α: 6E-3 2  5506   
222
87
Fr
 

Alphas:

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



  5399 5       0.0060 %  3.2E-4

Dataset #2:

Author: Y. A. Akovali   Citation:Nuclear Data Sheets 77,433 (1996)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
226
89
Ac
 0.0    (1)   29.37 h 12    ε: 17 3  640   
226
88
Ra
 

Electrons:

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



Auger L     9.09      10.3 % 15   9.4E-4 14 
CE L    48.36 20        4.9 % 18   0.0024 9 
CE M    62.78 20        1.3 % 5   8E-4 3 
Auger K    65.9       0.41 % 10   2.7E-4 7 
CE K    81.68 15        0.41 % 11   3.3E-4 9 
CE K   149.58 20        0.24 % 6   3.6E-4 10 
CE L   166.36 15        0.080 % 21   1.3E-4 4 
CE M   180.78 15        0.019 % 5   3.5E-5 9 
CE L   234.26 20        0.045 % 12   1.0E-4 3 
CE M   248.68 20        0.011 % 3   2.6E-5 7 

Gamma and X-ray radiation:

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



XR l    12.3       8.5 % 14   0.00105 17 
    67.6 2        0.11 % 4   7E-5 3 
XR kα2    85.431       3.6 % 8   0.0031 7 
XR kα1    88.471       5.8 % 13   0.0052 11 
XR kβ3    99.432       0.71 % 16   7.1E-4 16 
XR kβ1   100.13       1.4 % 3   0.0014 3 
XR kβ2   102.498       0.52 % 11   5.3E-4 12 
   185.60 15        4.8 % 13   0.0088 23 
   253.5 2        5.7 % 15   0.014 4 

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
    67.6185.60
   185.6067.6

Dataset #3:

Author: Y. A. Akovali   Citation:Nuclear Data Sheets 77,433 (1996)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
226
89
Ac
 0.0    (1)   29.37 h 12    β-: 83 3  1117   
226
90
Th
 

Beta-:

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




    74.1 15    269 5      0.092 % 13   6.8E-5 10 
    87.2 16    312 5      0.071 % 10   6.2E-5 9 
   281.4 19    887 5     49 % 3   0.138 8 
   339.6 19   1045 5     10.0 % 10   0.034 3 
   366.8 20   1117 5     24 % 9   0.09 3 

Mean beta- energy: 3.1E+2 keV 5, total beta- intensity: 83 % 10, mean beta- dose: 0.26 MeV/Bq-s 5

Electrons:

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



Auger L     9.48      13 % 3   0.00128 25 
CE K    44.58 3        1.8E-4 % 5   8.0E-8 21 
CE K    48.40 15        2.29 % 17   0.00111 8 
CE L    51.76 10       22 % 5   0.011 3 
CE M    67.05 10        6.0 % 15   0.0040 10 
Auger K    69.2       0.116 % 16   8.0E-5 11 
CE K   120.35 10        1.46 %  0.0017574
CE L   133.76 3        8.7E-4 % 23   1.2E-6 3 
CE L   137.58 15        0.48 % 3   6.6E-4 5 
CE M   149.05 3        2.4E-4 % 6   3.5E-7 9 
CE M   152.87 15        0.115 % 8   1.75E-4 13 
CE L   209.53 10        0.285 %  5.973E-4
CE M   224.82 10        0.0686 %  1.5417E-4

Gamma and X-ray radiation:

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



XR l    13.0      12 % 3   0.0016 3 
    72.23 10        0.56 % 14   4.1E-4 10 
    81.0 5  S      0.0018 % 4   1.4E-6 4 
XR kα2    89.957       1.05 % 5   9.5E-4 5 
XR kα1    93.35       1.70 % 8   0.00159 8 
XR kβ3   104.819       0.210 % 10   2.21E-4 11 
XR kβ1   105.604       0.401 % 20   4.24E-4 21 
XR kβ2   108.582       0.154 % 7   1.67E-4 8 
   154.23 3  S      7.5E-4 % 19   1.2E-6 3 
   158.05 15       17.5 % 13   0.0276 20 
   230.00 10       26.9 %  0.062
   235.3 1  S      0.043 % 9   1.01E-4 20 
   540.4 3        0.048 % 9   2.6E-4 5 
   574.5 2        0.070 % 9   4.0E-4 5 
   617.4 4        0.043 % 9   2.7E-4 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
    72.2381.0, 154.23, 158.05, 235.3, 540.4, 574.5, 617.4
    81.072.23, 154.23, 540.4
   154.2372.23, 81.0, 540.4
   158.0572.23, 574.5, 617.4
   230.00574.5, 617.4
   235.372.23, 540.4
   540.472.23, 81.0, 154.23, 235.3
   574.572.23, 158.05, 230.00
   617.472.23, 158.05, 230.00