Appendix A4: 235 U-Fueled ADS Core in Medium-Fast Spectrum
333
A4.3.2 ADS with 100 MeV Protons
See (Tables A4.35, A4.36, A4.37, A4.38, A4.39, A4.40, A4.41, A4.42, A4.43, A4.44,
A4.45, A4.46, A4.47, A4.48, A4.49, A4.50, A4.51, A4.52, A4.53 and A4.54).
Table A4.35 Measured prompt neutron decay constants α [s −1 ] deduced by PNS and Feynman-α
methods and subcriticality [$] in dollar units (Ref. [1])
Case 1-F-1 (FFAG acc.) (ρ pcm, exp = 1352.2 ± 38.82 [pcm])
Detector PNS method
Feynman-α method Area ρ $ [$]
Extended area ρ $ [$]
BF-3 #1 689.89 ± 2.07 674.47 ± 1.20
1.41356 ± 0.00273 1.76629 ± 0.00565
BF-3 #2 752.28 ± 1.13 737.51 ± 1.25
1.67789 ± 0.00354 2.10922 ± 0.00611
BF-3 #3 666.36 ± 2.44 653.50 ± 1.25
1.39013 ± 0.00280 1.64844 ± 0.00588
Table A4.36 Measured prompt neutron decay constants α [s −1 ] deduced by PNS and Feynman-α
methods and subcriticality [$] in dollar units (Ref. [1])
Case 1-F-2 (FFAG acc.) (ρ pcm, exp = 1352.2 ± 38.82 [pcm])
Detector PNS method
Feynman-α method Area ρ $ [$]
Extended area ρ $ [$]
Fiber #1 768.70 ± 2.40 771.85 ± 1.71
1.71524 ± 0.00642 1.85089 ± 0.01061
Fiber #2 818.10 ± 2.61 805.01 ± 1.76
1.95777 ± 0.00726 2.20352 ± 0.01242
Fiber #3 784.56 ± 9.17 779.14 ± 2.04
2.00685 ± 0.00454 2.78333 ± 0.02660
BF-3 #1 704.67 ± 2.02 685.23 ± 1.74
1.46667 ± 0.00485 1.84440 ± 0.00859
BF-3 #2 752.37 ± 1.98 741.66 ± 2.07
1.67185 ± 0.00617 2.09335 ± 0.01068
BF-3 #3 688.21 ± 2.32 669.07 ± 1.62
1.49290 ± 0.00513 1.77403 ± 0.00899
Table A4.37 Measured prompt neutron decay constants α [s −1 ] deduced by PNS and Feynman-α
methods and subcriticality [$] in dollar units (Ref. [1])
Case 1-F-3 (FFAG acc.) (ρ pcm, exp = 2218.9 ± 44.0 [pcm])
Detector PNS method
Feynman-α method Area ρ $ [$]
Extended area ρ $ [$]
Fiber #1 1131.56 ± 14.49 1120.19 ± 9.39
2.76157 ± 0.04440 3.12409 ± 0.08529
Fiber #2 1179.28 ± 13.93 1157.56 ± 10.42
3.17980 ± 0.05207 3.68996 ± 0.09821
Fiber #3 1136.05 ± 13.75 1075.86 ± 7.17
3.12964 ± 0.03179 4.92435 ± 0.09021
BF-3 #1 1013.57 ± 4.94
966.32 ± 3.38
2.39188 ± 0.01619 3.38041 ± 0.03348
BF-3 #2 1065.40 ± 5.75
1027.56 ± 4.05
2.66907 ± 0.02091 3.67857 ± 0.04234
BF-3 #3 1026.57 ± 5.74
982.04 ± 3.60
2.55381 ± 0.01960 3.27812 ± 0.03800
333
A4.3.2 ADS with 100 MeV Protons
See (Tables A4.35, A4.36, A4.37, A4.38, A4.39, A4.40, A4.41, A4.42, A4.43, A4.44,
A4.45, A4.46, A4.47, A4.48, A4.49, A4.50, A4.51, A4.52, A4.53 and A4.54).
Table A4.35 Measured prompt neutron decay constants α [s −1 ] deduced by PNS and Feynman-α
methods and subcriticality [$] in dollar units (Ref. [1])
Case 1-F-1 (FFAG acc.) (ρ pcm, exp = 1352.2 ± 38.82 [pcm])
Detector PNS method
Feynman-α method Area ρ $ [$]
Extended area ρ $ [$]
BF-3 #1 689.89 ± 2.07 674.47 ± 1.20
1.41356 ± 0.00273 1.76629 ± 0.00565
BF-3 #2 752.28 ± 1.13 737.51 ± 1.25
1.67789 ± 0.00354 2.10922 ± 0.00611
BF-3 #3 666.36 ± 2.44 653.50 ± 1.25
1.39013 ± 0.00280 1.64844 ± 0.00588
Table A4.36 Measured prompt neutron decay constants α [s −1 ] deduced by PNS and Feynman-α
methods and subcriticality [$] in dollar units (Ref. [1])
Case 1-F-2 (FFAG acc.) (ρ pcm, exp = 1352.2 ± 38.82 [pcm])
Detector PNS method
Feynman-α method Area ρ $ [$]
Extended area ρ $ [$]
Fiber #1 768.70 ± 2.40 771.85 ± 1.71
1.71524 ± 0.00642 1.85089 ± 0.01061
Fiber #2 818.10 ± 2.61 805.01 ± 1.76
1.95777 ± 0.00726 2.20352 ± 0.01242
Fiber #3 784.56 ± 9.17 779.14 ± 2.04
2.00685 ± 0.00454 2.78333 ± 0.02660
BF-3 #1 704.67 ± 2.02 685.23 ± 1.74
1.46667 ± 0.00485 1.84440 ± 0.00859
BF-3 #2 752.37 ± 1.98 741.66 ± 2.07
1.67185 ± 0.00617 2.09335 ± 0.01068
BF-3 #3 688.21 ± 2.32 669.07 ± 1.62
1.49290 ± 0.00513 1.77403 ± 0.00899
Table A4.37 Measured prompt neutron decay constants α [s −1 ] deduced by PNS and Feynman-α
methods and subcriticality [$] in dollar units (Ref. [1])
Case 1-F-3 (FFAG acc.) (ρ pcm, exp = 2218.9 ± 44.0 [pcm])
Detector PNS method
Feynman-α method Area ρ $ [$]
Extended area ρ $ [$]
Fiber #1 1131.56 ± 14.49 1120.19 ± 9.39
2.76157 ± 0.04440 3.12409 ± 0.08529
Fiber #2 1179.28 ± 13.93 1157.56 ± 10.42
3.17980 ± 0.05207 3.68996 ± 0.09821
Fiber #3 1136.05 ± 13.75 1075.86 ± 7.17
3.12964 ± 0.03179 4.92435 ± 0.09021
BF-3 #1 1013.57 ± 4.94
966.32 ± 3.38
2.39188 ± 0.01619 3.38041 ± 0.03348
BF-3 #2 1065.40 ± 5.75
1027.56 ± 4.05
2.66907 ± 0.02091 3.67857 ± 0.04234
BF-3 #3 1026.57 ± 5.74
982.04 ± 3.60
2.55381 ± 0.01960 3.27812 ± 0.03800