Results:3 different decay possibilities were found


Dataset #1:

Author: T.D. Johnson and W.D. Kulp   Citation:Nuclear Data Sheets 129, 1 (2015)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
87
39
Y
 380.827    9/2+   13.37 h 3    ε: 1.57 11  1861.7 11   
87
38
Sr
 

Beta+:

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




   535.1 7   1220.5 11       0.75 % 5   0.0040 3 

Mean beta+ energy: 5.4E+2 keV 5, total beta+ intensity: 0.75 % 5, mean beta+ dose: 0.0040 MeV/Bq-s 5

Electrons:

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



Auger L     1.79       0.85 % 5   1.52E-5 10 
Auger K    12.1       0.218 % 16   2.64E-5 19 

Gamma and X-ray radiation:

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



XR l     1.81       0.0229 % 16   4.1E-7 3 
XR kα2    14.098       0.146 % 11   2.05E-5 16 
XR kα1    14.165       0.280 % 22   4.0E-5 3 
XR kβ3    15.825       0.0209 % 16   3.3E-6 3 
XR kβ1    15.836       0.040 % 3   6.4E-6 5 
XR kβ2    16.085       0.0072 % 6   1.15E-6 9 
Annihil.   511.0       1.50 % 10  

Dataset #2:

Author: T.D. Johnson and W.D. Kulp   Citation:Nuclear Data Sheets 129, 1 (2015)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
87
39
Y
 380.827    9/2+   13.37 h 3    IT: 98.43 11      
87
39
Y
 

Electrons:

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



Auger L     1.91      20.27 % 7   3.872E-4 13 
Auger K    12.7       4.81 % 7   6.11E-4 9 
CE K   363.75 7       16.94 %  0.0616
CE L   378.42 7        2.57 %  0.00972
CE M   380.40 7        0.449 %  0.001707
CE N   380.74 7        0.0588 %  2.24E-4

Gamma and X-ray radiation:

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



XR l     1.92       0.603 % 15   1.16E-5 3 
XR kα2    14.883       3.54 % 12   5.27E-4 18 
XR kα1    14.958       6.79 % 24   0.00102 4 
XR kβ3    16.726       0.515 % 19   8.6E-5 3 
XR kβ1    16.738       1.00 % 4   1.67E-4 6 
XR kβ2    17.013       0.191 % 7   3.26E-5 12 
   380.79 7       78.05 %  0.2972

Dataset #3:

Author: T.D. Johnson and W.D. Kulp   Citation:Nuclear Data Sheets 129, 1 (2015)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
87
39
Y
 0.0    1/2-   79.8 h 3    ε: 100  1861.7 11   
87
38
Sr
 

Beta+:

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




   200.41 47    451.2 11       0.180 % 20   3.6E-4 4 

Mean beta+ energy: 2.0E+2 keV 3, total beta+ intensity: 0.180 % 20, mean beta+ dose: 3.6E-4 MeV/Bq-s 7

Electrons:

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



Auger L     1.79     122.0 % 8   0.002184 15 
Auger K    12.1      31.1 % 5   0.00376 6 
CE K   372.4230 23       14.88 %  0.0554
CE L   386.3113 23        2.19 %  0.00845
CE M   388.1701 23        0.375 %  0.001455
CE N   388.4899 23        0.0458 %  1.78E-4
CE K   468.700 5        0.237 % 14   0.00111 6 
CE L   482.589 5        0.0261 % 16   1.26E-4 8 
CE M   484.447 5        0.0044 % 3   2.13E-5 13 
CE N   484.767 5        5.5E-4 % 4   2.66E-6 18 

Gamma and X-ray radiation:

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



XR l     1.81       3.28 % 9   5.94E-5 16 
XR kα2    14.098      20.8 % 7   0.00293 10 
XR kα1    14.165      40.0 % 15   0.00566 21 
XR kβ3    15.825       2.98 % 10   4.71E-4 16 
XR kβ1    15.836       5.76 % 21   9.1E-4 3 
XR kβ2    16.085       1.02 % 4   1.64E-4 7 
   388.5276 23       82.2 %  0.319
   484.805 5       89.8 % 9   0.436 4 
Annihil.   511.0       0.36 % 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
   388.5276484.805 (1.01E+4)
   484.805388.5276 (1.01E+4)