Decay Radiation Results

Results:3 different decay possibilities were found

Dataset #1:

Author: N. Nica Citation:Nuclear Data Sheets 187,1 (2023)

Parent
Nucleus Parent
E(level) Parent
Jπ Parent
T_1/2 Decay Mode GS-GS Q-value
(keV) Daughter
Nucleus Decay
Scheme ENSDF
file
141
63 Eu
96.457 11/2- 2.7 s 3 IT: 87 +2-4 %
141
63 Eu

Electrons:

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

Auger L	4.69	54.9 % 8	0.00257 4
Auger K	33.7	0.66 % 5	2.21E-4 17
CE K	47.88 10	9.2 % 5	0.00443 23
CE L	88.35 10	58 % 3	0.051 3
CE M	94.60 10	14.3 % 8	0.0135 7
CE N	96.04 10	3.19 % 17	0.00306 16
CE O	96.37 10	0.423 % 22	4.07E-4 22

Gamma and X-ray radiation:

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

XR l	5.85	11.1 % 7	6.5E-4 4
XR kα2	40.902	2.46 % 14	0.00101 6
XR kα1	41.542	4.4 % 3	0.00183 10
XR kβ3	46.905	0.44 % 3	2.06E-4 12
XR kβ1	47.038	0.85 % 5	4.01E-4 23
XR kβ2	48.249	0.282 % 16	1.36E-4 8
	96.4 1	1.84 % 9	0.00177 9

Dataset #2:

Author: N. Nica Citation:Nuclear Data Sheets 187,1 (2023)

Parent
Nucleus Parent
E(level) Parent
Jπ Parent
T_1/2 Decay Mode GS-GS Q-value
(keV) Daughter
Nucleus Decay
Scheme ENSDF
file
141
63 Eu
96.457 11/2- 2.7 s 3 ε: 13 +4-2 % 6008 14
141
62 Sm

Beta+:

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

1502.9 66	3311 14	0.28 % 11	0.0042 17
1566.6 66	3449 14	0.31 % 11	0.0049 17
1778.3 66	3902 14	0.09 % 4	0.0016 6
1833.0 66	4019 14	0.60 % 24	0.011 4
1862.0 66	4081 14	0.11 % 7	0.0020 12
2251.5 67	4907 14	10 % 4	0.23 9

Mean beta+ energy: 2.2E+3 keV 10, total beta+ intensity: 11 % 4, mean beta+ dose: 0.25 MeV/Bq-s 15

Electrons:

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

Auger L	4.53	1.4 % 3	6.2E-5 15
Auger K	32.6	0.12 % 3	3.9E-5 11

Gamma and X-ray radiation:

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

XR l	5.64	0.26 % 6	1.5E-5 4
XR kα2	39.522	0.43 % 12	1.7E-4 5
XR kα1	40.118	0.77 % 21	3.1E-4 9
XR kβ3	45.293	0.077 % 21	3.5E-5 10
XR kβ1	45.414	0.15 % 4	6.8E-5 19
XR kβ2	46.578	0.049 % 14	2.3E-5 6
	116.0 6	0.076 % 29	9E-5 3
	174.2 S	0.54 %	9.4E-4
	369.5 2	0.30 % 9	0.0011 3
	394.0 2	0.60 % 19	0.0024 7
	395.6 2	0.11 % 4	4.4E-4 16
	433.9 2	0.43 % 18	0.0019 8
Annihil.	511.0	23 % 8
	518.8 5	0.45 % 25	0.0023 13
	605.9 2	0.14 % 6	8E-4 4
	635.6 5	0.045 % 18	2.9E-4 11
	804.4 3	0.44 % 12	0.0035 10
	887.3 3	0.29 % 9	0.0026 8
	1225.7 5	0.015 % 8	1.8E-4 10
	1595.3 3	0.40 % 12	0.0064 19

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
116.0	174.2 (1.35E+3), 369.5, 518.8, 887.3
174.2	116.0 (1.35E+3), 369.5 (1.35E+3), 518.8 (1.35E+3), 635.6 (1.35E+3), 887.3 (1.35E+3), 1225.7 (1.35E+3), 1595.3 (1.35E+3)
369.5	116.0, 174.2 (1.35E+3), 518.8, 635.6, 1225.7
394.0	433.9, 605.9, 804.4
395.6	433.9, 605.9, 804.4
433.9	394.0, 395.6, 804.4
518.8	116.0, 174.2 (1.35E+3), 369.5
605.9	394.0, 395.6
635.6	174.2 (1.35E+3), 369.5
804.4	394.0, 395.6, 433.9
887.3	116.0, 174.2 (1.35E+3)
1225.7	174.2 (1.35E+3), 369.5
1595.3	174.2 (1.35E+3)

Dataset #3:

Author: N. Nica Citation:Nuclear Data Sheets 187,1 (2023)

Parent
Nucleus Parent
E(level) Parent
Jπ Parent
T_1/2 Decay Mode GS-GS Q-value
(keV) Daughter
Nucleus Decay
Scheme ENSDF
file
141
63 Eu
0.0 5/2+ 40.7 s 7 ε: 100 % 6008 14
141
62 Sm

Beta+:

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

1218.6 65	2696 14	0.14 % 5	0.0017 6
1250.1 65	2764 14	0.38 % 12	0.0048 15
1372.5 65	3030 14	0.06 % 3	8E-4 4
1400.7 65	3091 14	0.40 % 10	0.0056 14
1460.2 65	3220 14	0.41 % 11	0.0060 16
1523.6 65	3356 14	0.32 % 8	0.0049 12
1569.9 66	3456 14	0.09 % 3	0.0014 5
1573.9 66	3464 14	0.12 % 4	0.0019 6
1656.2 66	3641 14	0.20 % 7	0.0033 12
1742.4 66	3826 14	0.37 % 15	0.006 3
1778.4 66	3903 14	0.50 % 12	0.0089 21
1816.8 66	3985 14	0.86 % 23	0.016 4
1822.0 66	3996 14	0.38 % 9	0.0069 16
1864.5 66	4086 14	0.25 % 8	0.0047 15
1897.6 66	4157 14	0.39 % 10	0.0074 19
2006.5 66	4388 14	1.7 % 4	0.034 8
2008.0 66	4391 14	2.3 % 6	0.046 12
2031.2 66	4441 14	0.51 % 19	0.010 4
2101.9 67	4590 14	7.1 % 16	0.15 3
2107.1 67	4602 14	5.9 % 14	0.12 3
2288.3 67	4984 14	64 % 4	1.46 9

Mean beta+ energy: 2.21E+3 keV 17, total beta+ intensity: 86 % 5, mean beta+ dose: 1.91 MeV/Bq-s 18

Electrons:

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

Auger L	4.53	10.8 % 5	4.90E-4 22
Auger K	32.6	0.95 % 7	3.10E-4 23
CE K	337.67 20	0.20 % 5	6.8E-4 16
CE K	347.17 20	0.303 %	0.001053
CE L	376.76 20	0.028 % 6	1.04E-4 24
CE M	382.78 20	0.0059 % 14	2.3E-5 5
CE N	384.15 20	0.0013 % 3	5.2E-6 12
CE O	384.47 20	2.0E-4 % 5	7.8E-7 18
CE L	386.26 20	0.0417 %	1.610E-4
CE M	392.28 20	0.00893 %	3.50E-5
CE N	393.65 20	0.00202 %	7.97E-6
CE O	393.97 20	3.04E-4 %	1.198E-6

Gamma and X-ray radiation:

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

XR l	5.64	2.03 % 12	1.14E-4 7
XR kα2	39.522	3.39 % 19	0.00134 8
XR kα1	40.118	6.1 % 3	0.00245 14
XR kβ3	45.293	0.61 % 3	2.75E-4 15
XR kβ1	45.414	1.18 % 7	5.3E-4 3
XR kβ2	46.578	0.388 % 22	1.81E-4 10
	202.3 3	0.17 % 6	3.4E-4 12
	213.5 3	0.12 % 6	2.6E-4 13
	234.6 3	0.057 % 17	1.3E-4 4
	354.4 3	0.14 % 5	5.0E-4 18
	369.5 2	1.6 % 4	0.0059 15
	382.9 2	3.0 % 7	0.011 3
	384.5 2	5.6 % 13	0.022 5
	394.0 2	9.0 %	0.035
	395.6 2	1.6 % 4	0.0063 16
	395.8 3	0.16 % 5	6.3E-4 20
	433.9 2	0.57 % 14	0.0025 6
Annihil.	511.0	173 % 9
	593.1 2	3.0 % 7	0.018 4
	594.7 2	0.41 % 10	0.0024 6
	596.3 2	0.50 % 12	0.0030 7
	597.9 2	1.22 % 29	0.0073 17
	605.9 2	0.95 % 24	0.0058 15
	606.0 4	0.31 % 8	0.0019 5
	687.8 3	0.19 % 5	0.0013 3
	699.0 2	0.19 % 5	0.0013 3
	724.2 5	0.16 % 6	0.0012 4
	764.9 5	0.22 % 10	0.0017 8
	776.0 6	0.27 % 15	0.0021 12
	799.6 6	0.27 % 9	0.0022 7
	893.6 5	0.081 % 25	7.2E-4 22
	935.7 3	0.13 % 4	0.0012 4
	976.2 3	0.17 % 5	0.0017 5
	999.8 3	0.25 % 6	0.0025 6
	1081.9 3	0.19 % 5	0.0021 5
	1083.6 5	0.081 % 25	9E-4 3
	1234.4 3	0.18 % 5	0.0022 6
	1245.4 3	0.29 % 8	0.0036 10
	1300.4 3	0.20 % 6	0.0026 8
	1382.1 3	0.22 % 7	0.0030 10
	1392.4 5	0.14 % 5	0.0019 7
	1510.7 3	0.35 % 10	0.0053 15
	1560.7 5	0.09 % 4	0.0014 6
	1676.0 6	0.15 % 8	0.0025 13
	1744.9 4	0.27 % 10	0.0047 17
	1766.2 5	0.41 % 12	0.0072 21
	1826.6 4	0.23 % 12	0.0042 22
	2221.6 6	0.17 % 7	0.0038 16

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
1.58	174.2, 202.3, 213.5, 234.6, 354.4 (1.35E+3), 369.5 (1.35E+3), 382.9, 394.0, 395.8, 433.9, 593.1, 596.3, 605.9, 606.0, 687.8, 699.0, 724.2 (1.35E+3), 764.9, 776.0, 799.6 (1.35E+3), 893.6, 935.7, 976.2 (1.35E+3), 999.8, 1081.9, 1234.4, 1245.4, 1300.4, 1382.1, 1392.4, 1510.7, 1560.7, 1676.0 (1.35E+3), 1744.9 (1.35E+3), 1826.6
174.2	1.58, 354.4 (1.35E+3), 369.5 (1.35E+3), 724.2 (1.35E+3), 799.6 (1.35E+3), 976.2 (1.35E+3), 1676.0 (1.35E+3), 1744.9 (1.35E+3)
202.3	1.58, 394.0, 395.6
213.5	1.58, 382.9, 384.5
234.6	1.58, 593.1, 594.7, 1392.4
354.4	1.58 (1.35E+3), 174.2 (1.35E+3), 369.5
369.5	1.58 (1.35E+3), 174.2 (1.35E+3), 354.4, 799.6, 976.2, 1676.0, 1744.9
382.9	1.58, 213.5, 606.0, 699.0, 776.0, 1245.4, 1382.1, 1510.7
384.5	213.5, 606.0, 699.0, 776.0, 1245.4, 1382.1, 1510.7
394.0	1.58, 202.3, 433.9, 605.9, 687.8, 764.9, 893.6, 1234.4, 1392.4, 1560.7, 1826.6
395.6	202.3, 433.9, 605.9, 687.8, 764.9, 893.6, 1234.4, 1392.4, 1560.7, 1826.6
395.8	1.58, 593.1, 594.7
433.9	1.58, 394.0, 395.6, 1392.4
593.1	1.58, 234.6, 395.8, 935.7, 1300.4, 1392.4
594.7	234.6, 395.8, 935.7, 1300.4, 1392.4
596.3	1.58
605.9	1.58, 394.0, 395.6, 893.6
606.0	1.58, 382.9, 384.5
687.8	1.58, 394.0, 395.6
699.0	1.58, 382.9, 384.5
724.2	1.58 (1.35E+3), 174.2 (1.35E+3)
764.9	1.58, 394.0, 395.6
776.0	1.58, 382.9, 384.5
799.6	1.58 (1.35E+3), 174.2 (1.35E+3), 369.5
893.6	1.58, 394.0, 395.6, 605.9, 999.8
935.7	1.58, 593.1, 594.7
976.2	1.58 (1.35E+3), 174.2 (1.35E+3), 369.5
999.8	1.58, 893.6
1081.9	1.58
1234.4	1.58, 394.0, 395.6
1245.4	1.58, 382.9, 384.5
1300.4	1.58, 593.1, 594.7
1382.1	1.58, 382.9, 384.5
1392.4	1.58, 234.6, 394.0, 395.6, 433.9, 593.1, 594.7
1510.7	1.58, 382.9, 384.5
1560.7	1.58, 394.0, 395.6
1676.0	1.58 (1.35E+3), 174.2 (1.35E+3), 369.5
1744.9	1.58 (1.35E+3), 174.2 (1.35E+3), 369.5
1826.6	1.58, 394.0, 395.6