Appendix A2: 235 U-Fueled and Pb–Bi–Zoned ADS Core
279
Table A2.22 Main characteristics and description of activation foils (Ref. [1])
Reaction
Dimension
Threshold
(MeV)
T 1/2
γ-ray energy
(keV)
Emission rate
(%)
197 Au(n, γ) 198 Au
(bare and Cd*)
8 mm diam.
0.05 mm thick
–
2.697 d
411.9
95.51
Cd plate
10 mm diam. 1
mm thick
–
–
–
–
115 In(n, γ) 116m In
(wire)
1 mm diam.
680 mm long
–
54.12 m 1097.3
1293.54
55.7
85
115 In(n, n ) 115m In
(foil)
10 × 10 × 1
mm
0.4
4.486 h
336.2
45.08
58 Ni(n, p) 58 Co
10 × 10 × 1
mm
0.9
70.82 d
810.8
99.4
56 Fe(n, p) 56 Mn
10 × 10 × 1
mm
5.0
2.578 h
846.8
1810.7
98.9
27.2
27 Al(n, α) 24 Na
10 × 10 × 1
mm
5.6
14.96 h
1368.6
100
Cd*: Au foil (Cd covered) was sandwiched between two Cd plates (10 mm diam. and 1 mm thick).
Table A2.23 Measured reaction rates of activation foils in Cases II-3 through II-6 (Ref. [1])
Measured reaction rate [s −1 cm −3 ]
Reaction
Case II-3
Case II-4
Case II-5
Case II-6
197 Au(n, γ) 198 Au
(bare)
(8.88 ± 0.02)
E+06
(4.88 ± 0.04)
E+06
(3.51 ± 0.08)
E+06
(2.53 ± 0.04)
E+06
197 Au(n, γ) 198 Au (Cd)
(7.84 ± 0.09)
E+06
(4.46 ± 0.04)
E+6
(3.11 ± 0.04)
E+6
(2.30 ± 0.03)
E+06
115 In(n, n ) 115m In
(8.60 ± 0.13)
E+04
(4.27 ± 0.22)
E+04
(4.27 ± 0.03)
E+04
(2.86 ± 0.06)
E+04
58 Ni(n, p) 58 Co
(4.90 ± 0.08)
E+04
(3.18 ± 0.03)
E+04
(3.23 ± 0.16)
E+04
(2.00 ± 0.10)
E+04
56 Fe(n, p) 56 Mn
(1.82 ± 0.07)
E+03
(1.26 ± 0.02)
E+03
(1.55 ± 0.03)
E+03
(1.39 ± 0.02)
E+03
27 Al(n, α) 24 Na
(1.54 ± 0.05)
E+03
(1.11 ± 0.02)
E+03
(1.62 ± 0.03)
E+03
(1.10 ± 0.01)
E+03
References
1. Pyeon CH (2017) Experimental benchmarks of neutronics on solid Pb–Bi in accelerator-driven
system with 100 MeV protons at Kyoto University Critical Assembly. KURRI-TR-447
2. Pyeon CH, Nakano H, Yamanaka M et al (2015) Neutron characteristics of solid targets in
accelerator-driven system with 100 MeV protons at Kyoto University Critical Assembly. Nucl
Technol 192: 181
3. Pyeon CH, Vu TM, Yamanaka M et al (2018) Reaction rate analyses of accelerator-driven
system experiments with 100 MeV protons at Kyoto University Critical Assembly. J Nucl Sci
Technol 55: 190
279
Table A2.22 Main characteristics and description of activation foils (Ref. [1])
Reaction
Dimension
Threshold
(MeV)
T 1/2
γ-ray energy
(keV)
Emission rate
(%)
197 Au(n, γ) 198 Au
(bare and Cd*)
8 mm diam.
0.05 mm thick
–
2.697 d
411.9
95.51
Cd plate
10 mm diam. 1
mm thick
–
–
–
–
115 In(n, γ) 116m In
(wire)
1 mm diam.
680 mm long
–
54.12 m 1097.3
1293.54
55.7
85
115 In(n, n ) 115m In
(foil)
10 × 10 × 1
mm
0.4
4.486 h
336.2
45.08
58 Ni(n, p) 58 Co
10 × 10 × 1
mm
0.9
70.82 d
810.8
99.4
56 Fe(n, p) 56 Mn
10 × 10 × 1
mm
5.0
2.578 h
846.8
1810.7
98.9
27.2
27 Al(n, α) 24 Na
10 × 10 × 1
mm
5.6
14.96 h
1368.6
100
Cd*: Au foil (Cd covered) was sandwiched between two Cd plates (10 mm diam. and 1 mm thick).
Table A2.23 Measured reaction rates of activation foils in Cases II-3 through II-6 (Ref. [1])
Measured reaction rate [s −1 cm −3 ]
Reaction
Case II-3
Case II-4
Case II-5
Case II-6
197 Au(n, γ) 198 Au
(bare)
(8.88 ± 0.02)
E+06
(4.88 ± 0.04)
E+06
(3.51 ± 0.08)
E+06
(2.53 ± 0.04)
E+06
197 Au(n, γ) 198 Au (Cd)
(7.84 ± 0.09)
E+06
(4.46 ± 0.04)
E+6
(3.11 ± 0.04)
E+6
(2.30 ± 0.03)
E+06
115 In(n, n ) 115m In
(8.60 ± 0.13)
E+04
(4.27 ± 0.22)
E+04
(4.27 ± 0.03)
E+04
(2.86 ± 0.06)
E+04
58 Ni(n, p) 58 Co
(4.90 ± 0.08)
E+04
(3.18 ± 0.03)
E+04
(3.23 ± 0.16)
E+04
(2.00 ± 0.10)
E+04
56 Fe(n, p) 56 Mn
(1.82 ± 0.07)
E+03
(1.26 ± 0.02)
E+03
(1.55 ± 0.03)
E+03
(1.39 ± 0.02)
E+03
27 Al(n, α) 24 Na
(1.54 ± 0.05)
E+03
(1.11 ± 0.02)
E+03
(1.62 ± 0.03)
E+03
(1.10 ± 0.01)
E+03
References
1. Pyeon CH (2017) Experimental benchmarks of neutronics on solid Pb–Bi in accelerator-driven
system with 100 MeV protons at Kyoto University Critical Assembly. KURRI-TR-447
2. Pyeon CH, Nakano H, Yamanaka M et al (2015) Neutron characteristics of solid targets in
accelerator-driven system with 100 MeV protons at Kyoto University Critical Assembly. Nucl
Technol 192: 181
3. Pyeon CH, Vu TM, Yamanaka M et al (2018) Reaction rate analyses of accelerator-driven
system experiments with 100 MeV protons at Kyoto University Critical Assembly. J Nucl Sci
Technol 55: 190