Results:3 different decay possibilities were found


Dataset #1:

Author: Balraj Singh and Jun Chen   Citation:Nuclear Data Sheets 185, 2 (2022)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
153
69
Tm
 0.0    (11/2-)   1.48 s 1    α: 91 3  5248.3 15   
149
67
Ho
 

Alphas:

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



  4586 10  ?     0.0020 % 20   9E-5 9 
  4902 15  ?     8E-4 % 8   4E-5 4 
  5109 2      91 %  4.65

Dataset #2:

Author: N. Nica   Citation:Nuclear Data Sheets 170, 1 (2020)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
153
69
Tm
 0.0    (11/2-)   1.48 s 1    ε: 9 3  6495 13   
153
68
Er
 

Beta+:

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




  1699.4 61   3742 13       0.53 %  0.009
  1977.9 61   4340 13       0.14 %  0.0028
  1988.3 61   4363 13       0.42 %  0.008
  2034.4 61   4461 13       0.32 %  0.0064
  2053.5 61   4502 13       0.49 %  0.010
  2149.7 61   4707 13       0.36 %  0.008
  2369.2 62   5174 13       4.8 %  0.11

Mean beta+ energy: 2239.688 keV , total beta+ intensity: 7.0263 % , mean beta+ dose: 0.157 MeV/Bq-s

Electrons:

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



Auger L     5.5       1.7 % 3   9.2E-5 15 
Auger K    39.7       0.12 % 3   4.9E-5 10 
CE K   147.71 20        0.025 % 9   3.7E-5 13 
CE L   195.45 20        0.0038 % 13   7.3E-6 25 
CE M   202.99 20        8E-4 % 3   1.7E-6 6 
CE N   204.75 20        1.9E-4 % 6   3.9E-7 13 
CE O   205.16 20        2.6E-5 % 9   5.4E-8 18 
CE K   241.81 10        0.5 % 3   0.0013 6 
CE L   289.55 10        0.10 % 3   2.9E-4 10 
CE M   297.09 10        0.023 % 7   6.7E-5 22 
CE N   298.85 10        0.0052 % 17   1.5E-5 5 
CE O   299.26 10        7.2E-4 % 25   2.1E-6 7 
CE K   708.31 20        0.009 % 3   6.6E-5 24 
CE K   753.7 3        0.0025 % 9   1.9E-5 7 
CE L   756.05 20        0.0015 % 6   1.2E-5 4 
CE M   763.59 20        3.4E-4 % 13   2.6E-6 10 
CE N   765.35 20        8E-5 % 3   6.1E-7 23 
CE O   765.76 20        1.1E-5 % 4   9E-8 3 
CE L   801.4 3        4.0E-4 % 14   3.2E-6 11 
CE M   809.0 3        9E-5 % 3   7E-7 3 
CE N   810.8 3        2.1E-5 % 7   1.7E-7 6 
CE O   811.2 3        2.9E-6 % 10   2.4E-8 8 

Gamma and X-ray radiation:

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



XR l     6.95       0.46 % 8   3.2E-5 5 
XR kα2    48.221       0.58 % 11   2.8E-4 5 
XR kα1    49.128       1.02 % 19   5.0E-4 10 
XR kβ3    55.48       0.108 % 21   6.0E-5 11 
XR kβ1    55.674       0.21 % 4   1.17E-4 22 
XR kβ2    57.142       0.070 % 13   4.0E-5 8 
   205.2 2        0.62 % 21   0.0013 4 
   299.3 1        6.4 % 21   0.019 6 
Annihil.   511.0      14.0526 % 
   712.6 3        0.42 % 15   0.0030 11 
   765.8 2        1.9 % 7   0.015 5 
   811.2 3        0.57 % 20   0.0046 16 
   833.4 4        0.192 %  0.00160 16 
   965.3 3        0.83 % 29   0.008 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
   205.2765.8
   299.3712.6, 811.2, 833.4
   712.6299.3
   765.8205.2, 965.3
   811.2299.3
   833.4299.3
   965.3765.8

Dataset #3:

Author: Balraj Singh and Jun Chen   Citation:Nuclear Data Sheets 185, 2 (2022)

Parent
Nucleus
Parent
E(level)
Parent
Parent
T1/2
Decay Mode GS-GS Q-value
(keV)
Daughter
Nucleus
Decay
Scheme
 
ENSDF
file
 
153
69
Tm
 43.22    (1/2+)   2.5 s 2    α: 92 3  5248.3 15   
149
67
Ho
 

Alphas:

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



  4586 10  ?     0.0021 % 21   9E-5 9 
  4902 15  ?     8E-4 % 8   4E-5 4 
  5096 4      92 %  4.69