ENTRY 31828 20200911 31973182800000001 SUBENT 31828001 20200911 31973182800100001 BIB 15 29 3182800100002 TITLE Constraining high energy tail of 235U(nth,f) prompt 3182800100003 fission neutron spectrum 3182800100004 AUTHOR (M.Schulc, M.Kostal, J.Simon, F.Brijar, T.Czakoj, 3182800100005 J.P.Maly) 3182800100006 INSTITUTE (3CZRUJV) 3182800100007 REFERENCE (J,ARI,166,109313,2020) 3182800100008 FACILITY (REAC,3CZRUJV) LVR-15 light water research reactor 3182800100009 INC-SOURCE (REAC) Channel H6 with constant power around 8.5 MW 3182800100010 INC-SPECT Mixture of 235U(91.85%), 239Pu(8.02%) and 238U(0.13%) 3182800100011 prompt fission neutrons 3182800100012 SAMPLE Foils wrapped into an Al cover and placed in an Al 3182800100013 capsule 3182800100014 DETECTOR (HPGE) ORTEC GEM35P4. The detector efficiency was 3182800100015 calculated via a well-defined MCNP6 model. 3182800100016 MONITOR (28-NI-58(N,P)27-CO-58,,SIG) 3182800100017 DECAY-MON (27-CO-58-G,70.86D,DG,810.759,0.9945, 3182800100018 DG,863.951,0.00686, 3182800100019 DG,1674.725,0.00517) 3182800100020 CORRECTION Corrected for 239Pu(n,f) prompt fission neutron 3182800100021 contribution by using the IRDFF-II cross section and 3182800100022 JEFF-3.3 or ENDF/B-VIII.0 the prompt fission neutron 3182800100023 spectrum. 3182800100024 ERR-ANALYS (ERR-T) Total uncertianty originated mainly from 3182800100025 239Pu prompt fission neutron spectrum, 3182800100026 (ERR-1,1.0,7.1) Count rates (1.0-7.1%) 3182800100027 (ERR-2) Detector efficiency calibration (1.9%) 3182800100028 (ERR-3) Fule composition (2.0%) 3182800100029 STATUS (APRVD) Proof-read by Martin Schulc (2020-09-14) 3182800100030 HISTORY (20200911C) On 3182800100031 ENDBIB 29 0 3182800100032 COMMON 2 3 3182800100033 ERR-2 ERR-3 3182800100034 PER-CENT PER-CENT 3182800100035 1.9 2.0 3182800100036 ENDCOMMON 3 0 3182800100037 ENDSUBENT 36 0 3182800199999 SUBENT 31828002 20200911 31973182800200001 BIB 4 7 3182800200002 REACTION 1(79-AU-197(N,2N)79-AU-196,,SIG,,FIS) 3182800200003 239Pu(n,f) neutron correction with JEFF-3.3 PFNS 3182800200004 2(79-AU-197(N,2N)79-AU-196,,SIG,,FIS) 3182800200005 239Pu(n,f) neutron correction with ENDF-B/VIII.0 PFNS 3182800200006 DECAY-DATA (79-AU-196-G,6.183D,DG,355.73,0.8700) 3182800200007 METHOD (ACTIV) tirr=36 h 1 min, tcool=88.29 d, tmeas= 7.2 h 3182800200008 STATUS (TABLE) Tables 3+4 of Appl.Radiat.Isot.166(2020)109313 3182800200009 ENDBIB 7 0 3182800200010 NOCOMMON 0 0 3182800200011 DATA 5 1 3182800200012 KT-DUMMY DATA 1ERR-T 1DATA 2ERR-T 2 3182800200013 MEV MB PER-CENT MB PER-CENT 3182800200014 1.32 3.19 5.8 3.19 5.8 3182800200015 ENDDATA 3 0 3182800200016 ENDSUBENT 15 0 3182800299999 SUBENT 31828003 20200911 31973182800300001 BIB 4 7 3182800300002 REACTION 1(25-MN-55(N,2N)25-MN-54,,SIG,,FIS) 3182800300003 239Pu(n,f) neutron correction with JEFF-3.3 PFNS 3182800300004 2(25-MN-55(N,2N)25-MN-54,,SIG,,FIS) 3182800300005 239Pu(n,f) neutron correction with ENDF-B/VIII.0 PFNS 3182800300006 DECAY-DATA (25-MN-54,312.3D,DG,834.8,0.99976)) 3182800300007 METHOD (ACTIV) tirr=36 h 1 min, tcool=86.20 d, tmeas= 5.53 min3182800300008 STATUS (TABLE) Tables 3+4 of Appl.Radiat.Isot.166(2020)109313 3182800300009 ENDBIB 7 0 3182800300010 NOCOMMON 0 0 3182800300011 DATA 5 1 3182800300012 KT-DUMMY DATA 1ERR-T 1DATA 2ERR-T 2 3182800300013 MEV MB PER-CENT MB PER-CENT 3182800300014 1.32 0.245 3.8 0.249 3.8 3182800300015 ENDDATA 3 0 3182800300016 ENDSUBENT 15 0 3182800399999 SUBENT 31828004 20200911 31973182800400001 BIB 4 8 3182800400002 REACTION 1(83-BI-209(N,3N)83-BI-207,,SIG,,FIS) 3182800400003 239Pu(n,f) neutron correction with JEFF-3.3 PFNS 3182800400004 2(83-BI-209(N,3N)83-BI-207,,SIG,,FIS) 3182800400005 239Pu(n,f) neutron correction with ENDF-B/VIII.0 PFNS 3182800400006 DECAY-DATA (83-BI-207,31.55YR,DG,569.702,0.9775, 3182800400007 DG,1063.656,0.7450) 3182800400008 METHOD (ACTIV) tirr=36 h 1 min, tcool=88.06 d, tmeas= 1.58 h 3182800400009 STATUS (TABLE) Tables 3+4 of Appl.Radiat.Isot.166(2020)109313 3182800400010 ENDBIB 8 0 3182800400011 NOCOMMON 0 0 3182800400012 DATA 5 1 3182800400013 KT-DUMMY DATA 1ERR-T 1DATA 2ERR-T 2 3182800400014 MEV MB PER-CENT MB PER-CENT 3182800400015 1.32 8.34E-03 5.8 8.71E-03 5.8 3182800400016 ENDDATA 3 0 3182800400017 ENDSUBENT 16 0 3182800499999 SUBENT 31828005 20200911 31973182800500001 BIB 4 7 3182800500002 REACTION 1(83-BI-209(N,4N)83-BI-206,,SIG,,FIS) 3182800500003 239Pu(n,f) neutron correction with JEFF-3.3 PFNS 3182800500004 2(83-BI-209(N,4N)83-BI-206,,SIG,,FIS) 3182800500005 239Pu(n,f) neutron correction with ENDF-B/VIII.0 PFNS 3182800500006 DECAY-DATA (83-BI-206,6.243D,DG,1718.70,0.3190) 3182800500007 METHOD (ACTIV) tirr=36 h 1 min, tcool=5.94 d, tmeas= 6.24 d 3182800500008 STATUS (TABLE) Tables 3+4 of Appl.Radiat.Isot.166(2020)109313 3182800500009 ENDBIB 7 0 3182800500010 NOCOMMON 0 0 3182800500011 DATA 5 1 3182800500012 KT-DUMMY DATA 1ERR-T 1DATA 2ERR-T 2 3182800500013 MEV MB PER-CENT MB PER-CENT 3182800500014 1.32 6.50E-06 9.1 7.52E-06 9.1 3182800500015 ENDDATA 3 0 3182800500016 ENDSUBENT 15 0 3182800599999 SUBENT 31828006 20200911 31973182800600001 BIB 4 7 3182800600002 REACTION 1(79-AU-197(N,3N)79-AU-195,,SIG,,FIS) 3182800600003 239Pu(n,f) neutron correction with JEFF-3.3 PFNS 3182800600004 2(79-AU-197(N,3N)79-AU-195,,SIG,,FIS) 3182800600005 239Pu(n,f) neutron correction with ENDF-B/VIII.0 PFNS 3182800600006 DECAY-DATA (79-AU-195-G,186.01D,DG,98.857,0.1121) 3182800600007 METHOD (ACTIV) tirr=36 h 1 min, tcool=208.02 d, tmeas= 10.94 d3182800600008 STATUS (TABLE) Table 5 of Appl.Radiat.Isot.166(2020)109313 3182800600009 ENDBIB 7 0 3182800600010 NOCOMMON 0 0 3182800600011 DATA 5 1 3182800600012 KT-DUMMY DATA 1ERR-T 1DATA 2ERR-T 2 3182800600013 MEV MB PER-CENT MB PER-CENT 3182800600014 1.32 8.80E-03 6.7 9.10E-03 6.7 3182800600015 ENDDATA 3 0 3182800600016 ENDSUBENT 15 0 3182800699999 ENDENTRY 6 0 3182899999999