ENTRY 31782 20180302 31843178200000001 SUBENT 31782001 20180302 31843178200100001 BIB 15 34 3178200100002 TITLE Validation of zirconium isotopes (n,g) and (n,2n) 3178200100003 cross sections in a comprehensive LR-0 reactor 3178200100004 operative parameters set 3178200100005 AUTHOR (M.Kostal, M.Schulc, V.Rypar, E.Losa, N.Burianova, 3178200100006 J.Simon, M.Marecek, J.Uhlir) 3178200100007 INSTITUTE (3CZRUJV) 3178200100008 REFERENCE (J,ARI,128,92,2017) 3178200100009 (W,KOSTAL,20180228) Latest values tabulated. 3178200100010 Document LR0-RESR-004 submitted to IRPhE in 2018 3178200100011 "VVER-1000 physics experiments hexagonal jattices 3178200100012 (1.275 cm Pitch) of Low Enriched U(3.3 wt.% U235)O2 3178200100013 fuel assemblies in light water 75As(n, 2n), 3178200100014 23Na(n,2n), 90Zr(n,2n), 89Y(n,2n) reaction rates" 3178200100015 received from M.Kostal on 28 February 2018. 3178200100016 REL-REF (N,,M.Kostal+,J,ARI,135,83,2018) 3178200100017 Measured LR-0 neutron spectrum in void case tabulated 3178200100018 FACILITY (REAC,3CZRUJV) LR-0 reactor 3178200100019 INC-SOURCE (REAC) 3178200100020 SAMPLE ZrO2 (cylindrical 8 cm diam x 4.18 cm, 162.43 g) in Al 3178200100021 capsule (80 mm diam., 1 mm-thick wall). 3178200100022 METHOD (ACTIV) Irradiated for ~5.5 h at ~5 W 3178200100023 (GSPEC) 3178200100024 DETECTOR (HPGE) Efficiency calculated by MCNP6 3178200100025 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 3178200100026 (28-NI-58(N,P)27-CO-58,,SIG) 3178200100027 DECAY-MON (79-AU-198-G,2.6947D,DG,411.8,0.9562) 3178200100028 (27-CO-58-G,70.86D,DG,810.8,0.9945) 3178200100029 CORRECTION Corrected for 3178200100030 - the spectral shift (ratio between the full geometry 3178200100031 and empty geomtery) 3178200100032 - coincident summing effect (0.961 for 89Zr, 0.998 3178200100033 for 198Au, 0.936 for 58Co, 1 for 95Zr and 97Zr). 3178200100034 STATUS (APRVD) Proof-read by Michal Kostal (2018-05-09) 3178200100035 HISTORY (20180302C) On 3178200100036 ENDBIB 34 0 3178200100037 NOCOMMON 0 0 3178200100038 ENDSUBENT 37 0 3178200199999 SUBENT 31782002 20180302 31843178200200001 BIB 6 17 3178200200002 REACTION (40-ZR-90(N,2N)40-ZR-89-G,M+,SIG,,SPA) 3178200200003 INC-SPECT LR-0 reactor spectrum. 3178200200004 The measured numerical spectrum in void case is in 3178200200005 Table 2 of M.Kostal+,Appl.Radiat.Isot.135(2018)83. 3178200200006 DECAY-DATA (40-ZR-89-G,78.41HR,DG,909.2,0.9904) 3178200200007 MISC-COL (MISC) Cross section averaged in LR-0 reactor spectrum 3178200200008 above 10 MeV 3178200200009 ERR-ANALYS (ERR-T) Total uncertainty (4.4%)3178200200010 (ERR-1) Statistics of 89Zr activity (1.3%)3178200200011 (ERR-2) Statistics of 198Au activity (0.6%)3178200200012 (ERR-3) Statistics of 58Co activity (0.7%)3178200200013 (ERR-4) Bias between Au/Ni based scaling factors (2.7%)3178200200014 (ERR-5) Spectral shift correction (1.3%)3178200200015 (ERR-6) HPGe efficiency volume source - Zr (2.7%)3178200200016 (ERR-7) HPGe efficiency point source - Au,Ni (1.0%)3178200200017 STATUS (TABLE) Table 3 of Appl.Radiat.Isotopes 128(2017)92 3178200200018 (SPSDD,31782003) 3178200200019 ENDBIB 17 0 3178200200020 COMMON 6 3 3178200200021 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3178200200022 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3178200200023 0.6 0.7 2.7 1.3 2.7 1.0 3178200200024 ENDCOMMON 3 0 3178200200025 DATA 5 1 3178200200026 EN-DUMMY DATA ERR-T ERR-1 MISC 3178200200027 MEV MICRO-B PER-CENT PER-CENT MB 3178200200028 1. 28.9 4.4 1.3 76.8 3178200200029 ENDDATA 3 0 3178200200030 ENDSUBENT 29 0 3178200299999 SUBENT 31782003 20180302 31843178200300001 BIB 6 17 3178200300002 REACTION (40-ZR-90(N,2N)40-ZR-89-G,M+,SIG,,SPA) 3178200300003 INC-SPECT LR-0 reactor spectrum. 3178200300004 The measured numerical spectrum in void case is in 3178200300005 Table 2 of M.Kostal+,Appl.Radiat.Isot.135(2018)83. 3178200300006 DECAY-DATA (40-ZR-89-G,78.41HR,DG,909.2,0.9904) 3178200300007 MISC-COL (MISC) Cross section averaged in LR-0 reactor spectrum 3178200300008 above 10 MeV 3178200300009 ERR-ANALYS (ERR-T) Total uncertainty (4.0%)3178200300010 (ERR-1) Statistics of 89Zr activity (1.3%)3178200300011 (ERR-2) Target modeling (1.0%)3178200300012 (ERR-3) Spectral shift correction (1.3%)3178200300013 (ERR-4) HPGe efficiency volume source - Zr (0.9%)3178200300014 (ERR-5) Statistics of 198Au activity (0.6%)3178200300015 (ERR-6) Statistics of 58Co activity (0.7%)3178200300016 (ERR-7) HPGe efficiency point source - Au,Ni (1.9%)3178200300017 (ERR-8) Bias between Au/Ni based scaling factors (2.5%)3178200300018 STATUS (TABLE) Table 3.7.5.5 of LR0-RESR-004 (2018) 3178200300019 ENDBIB 17 0 3178200300020 COMMON 7 6 3178200300021 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3178200300022 ERR-8 3178200300023 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3178200300024 PER-CENT 3178200300025 1.0 1.3 0.9 0.6 0.7 1.9 3178200300026 2.5 3178200300027 ENDCOMMON 6 0 3178200300028 DATA 5 1 3178200300029 EN-DUMMY DATA ERR-T ERR-1 MISC 3178200300030 MEV MICRO-B PER-CENT PER-CENT MB 3178200300031 1. 28.85 4.0 1.3 76.80 3178200300032 ENDDATA 3 0 3178200300033 ENDSUBENT 32 0 3178200399999 SUBENT 31782004 20180302 31843178200400001 BIB 5 8 3178200400002 REACTION (40-ZR-90(N,2N)40-ZR-89,,SIG,,FIS) 3178200400003 INC-SPECT 235U prompt fission neutron spectra 3178200400004 ANALYSIS Cross section averaged over the LR-0 spectrum above 3178200400005 10 MeV multiplied by the fracion of 235U prompt 3178200400006 fission neutrons above 10 MeV in ENDF/B-VII (0.1396%) 3178200400007 ERR-ANALYS (DATA-ERR) Total uncertainty (4.0%) 3178200400008 STATUS (TABLE) Table 3.7.5.5 of LR0-RESR-004 (2018) 3178200400009 (DEP,31782003) LR-0 spectrum averaged cross section 3178200400010 ENDBIB 8 0 3178200400011 NOCOMMON 0 0 3178200400012 DATA 3 1 3178200400013 KT-DUMMY DATA DATA-ERR 3178200400014 MEV MB PER-CENT 3178200400015 1.32 0.1071 4.0 3178200400016 ENDDATA 3 0 3178200400017 ENDSUBENT 16 0 3178200499999 SUBENT 31782005 20180302 31843178200500001 BIB 5 18 3178200500002 REACTION (40-ZR-94(N,G)40-ZR-95,,SIG,,SPA) 3178200500003 INC-SPECT LR-0 reactor spectrum. 3178200500004 The measured numerical spectrum in void case is in 3178200500005 Table 2 of M.Kostal+,Appl.Radiat.Isot.135(2018)83. 3178200500006 DECAY-DATA (40-ZR-95,64.032D,DG,724.2,0.4427, 3178200500007 DG,756.7,0.5438) 3178200500008 ERR-ANALYS M.Kostal (2018-03-02): 3178200500009 The uncertainty in spectral shift does not play a 3178200500010 role in the measured cross section. 3178200500011 (ERR-T) Total uncertainty (4.5%)3178200500012 (ERR-1) Statistics of 95Zr activity (0.3%)3178200500013 (ERR-2) Bias between two gamma peaks (1.4%)3178200500014 (ERR-3) Statistics of 198Au activity (0.6%)3178200500015 (ERR-4) Statistics of 58Co activity (0.7%)3178200500016 (ERR-5) Bias between Au/Ni based scaling factors (2.7%)3178200500017 (ERR-6) HPGe efficiency volume source - Zr (2.7%)3178200500018 (ERR-7) HPGe efficiency point source - Au,Ni (1.0%)3178200500019 STATUS (TABLE) Table 3 of Appl.Radiat.Isotopes 128(2017)92 3178200500020 ENDBIB 18 0 3178200500021 COMMON 6 3 3178200500022 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3178200500023 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3178200500024 1.4 0.6 0.7 2.7 2.7 1.0 3178200500025 ENDCOMMON 3 0 3178200500026 DATA 4 1 3178200500027 EN-DUMMY DATA ERR-T ERR-1 3178200500028 MEV B PER-CENT PER-CENT 3178200500029 1. 0.016 4.5 0.3 3178200500030 ENDDATA 3 0 3178200500031 ENDSUBENT 30 0 3178200599999 SUBENT 31782006 20180302 31843178200600001 BIB 5 16 3178200600002 REACTION (40-ZR-96(N,G)40-ZR-97,,SIG,,SPA) 3178200600003 INC-SPECT LR-0 reactor spectrum. 3178200600004 The measured numerical spectrum in void case is in 3178200600005 Table 2 of M.Kostal+,Appl.Radiat.Isot.135(2018)83. 3178200600006 DECAY-DATA (40-ZR-97,16.749HR,DG,743.4,0.9309) 3178200600007 ERR-ANALYS M.Kostal (2018-03-02): 3178200600008 The uncertainty in spectral shift does not play a 3178200600009 role in the measured cross section. 3178200600010 (ERR-T) Total uncertainty (4.2%)3178200600011 (ERR-1) Statistics of 95Zr activity (0.1%)3178200600012 (ERR-3) Statistics of 198Au activity (0.6%)3178200600013 (ERR-4) Statistics of 58Co activity (0.7%)3178200600014 (ERR-5) Bias between Au/Ni based scaling factors (2.7%)3178200600015 (ERR-6) HPGe efficiency volume source - Zr (2.7%)3178200600016 (ERR-7) HPGe efficiency point source - Au,Ni (1.0%)3178200600017 STATUS (TABLE) Table 3 of Appl.Radiat.Isotopes 128(2017)92 3178200600018 ENDBIB 16 0 3178200600019 COMMON 5 3 3178200600020 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3178200600021 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3178200600022 0.6 0.7 2.7 2.7 1.0 3178200600023 ENDCOMMON 3 0 3178200600024 DATA 4 1 3178200600025 EN-DUMMY DATA ERR-T ERR-1 3178200600026 MEV B PER-CENT PER-CENT 3178200600027 1. 0.123 4.2 0.1 3178200600028 ENDDATA 3 0 3178200600029 ENDSUBENT 28 0 3178200699999 ENDENTRY 6 0 3178299999999