ENTRY 20552 20170125 225720552 0 1 SUBENT 20552001 20170125 225720552 1 1 BIB 12 29 20552 1 2 INSTITUTE (2FR FAR) 20552 1 3 REFERENCE (C,70HELSINKI,1,295,197006) (In French) 20552 1 4 (P,EANDC(E)-115,196903) progr.rep. 20552 1 5 (P,EANDC(E)-127,197004) Progr.rep., data given. 20552 1 6 AUTHOR (R.Vidal, M.Robin, C.Carneiro Da Silva) 20552 1 7 TITLE Measurements of U-233 cross-sections for thermal 20552 1 8 neutrons 20552 1 9 FACILITY (REAC,2FR FAR) Thermal column of reactor ULYSSE and 20552 1 10 reactor MINERVE 20552 1 11 SAMPLE 1. natural uranium with 0.10 and 0.15% of U-233 20552 1 12 2. depleted uranium (0.35% of U-235) together 20552 1 13 with 0.25 and 0.35% of U-233. 20552 1 14 METHOD .Irradiation of fission chamber containing U-238 in 20552 1 15 combination with either U-233 or U-235 in thermal flux20552 1 16 to get fission cross section. 20552 1 17 .Eta by oscillation method in natural uranium heavy 20552 1 18 water lattice of reactor MINERVE . 20552 1 19 DETECTOR .Fission chamber containing U-238 and U-233, U-238 and 20552 1 20 U-235. 20552 1 21 .pile oscillator. 20552 1 22 PART-DET (FF) Fission fragment 20552 1 23 (N) neutrons 20552 1 24 STATUS (TABLE) Data from the text of 2nd Int.Conf. on Nuclear 20552 1 25 Data for Reactors, vol.I,p.295,Helsinki,15-19 June 197020552 1 26 ERR-ANALYS (ERR-T) Total error 20552 1 27 HISTORY (19740729C) 20552 1 28 (20170122A) SD:Updated to new date formats,lower case. 20552 1 29 Reaction ratio were added to Subents 002-004. 20552 1 30 ERR-ANALYS update. Subent 005 was added. 20552 1 31 ENDBIB 29 0 20552 1 32 COMMON 1 3 20552 1 33 EN 20552 1 34 MEV 20552 1 35 2.5300E-08 20552 1 36 ENDCOMMON 3 0 20552 1 37 ENDSUBENT 36 0 20552 199999 SUBENT 20552002 20170125 225720552 2 1 BIB 7 15 20552 2 2 REACTION 1(92-U-233(N,F),,SIG) 20552 2 3 2((92-U-233(N,F),,SIG)/(92-U-235(N,F),,SIG)) 20552 2 4 COMMENT From the fission cross section ratio at thermal energy20552 2 5 using Westcott g-values (see INDS(NDS)-012,1969) 20552 2 6 g(U233)=0.9950+-0.0021 and g(U235)=0.9766+-0.0016, the 20552 2 7 fission cross-section ratio at 0.0253 eV were deduced. 20552 2 8 MONITOR 1(92-U-235(N,F),,SIG) 20552 2 9 MONIT-REF (,G.C.Hanna+,R,INDC(NDS)-012,1969) 20552 2 10 ERR-ANALYS (ERR-S) Statistical uncertainty 20552 2 11 (ERR-1) Uncertainty in the isotopic content 20552 2 12 (ERR-2) Accuracy of corrections 20552 2 13 (MONIT-ERR) Uncertainty in monitor reaction 20552 2 14 STATUS (DEP,20552004) see COMMENT 20552 2 15 HISTORY (20170125A) SD: BIB update. Monitor data added. 20552 2 16 REACTION ratio was added. 20552 2 17 ENDBIB 15 0 20552 2 18 COMMON 3 3 20552 2 19 ERR-1 ERR-2 ERR-S 20552 2 20 PER-CENT PER-CENT PER-CENT 20552 2 21 0.1 0.3 0.5 20552 2 22 ENDCOMMON 3 0 20552 2 23 DATA 6 1 20552 2 24 DATA 1ERR-T 1DATA 2ERR-T 2MONIT 1MONIT-ERR 120552 2 25 B B NO-DIM NO-DIM B B 20552 2 26 530. 4. 0.914 0.005 580. 1.8 20552 2 27 ENDDATA 3 0 20552 2 28 ENDSUBENT 27 0 20552 299999 SUBENT 20552003 20170125 225720552 3 1 BIB 5 10 20552 3 2 REACTION 1(92-U-233(N,ABS),,ETA) 20552 3 3 2((92-U-233(N,ABS),,ETA)/(92-U-235(N,ABS),,ETA)) 20552 3 4 MONITOR 1(92-U-235(N,ABS),,ETA) 20552 3 5 MONIT-REF (,G.C.Hanna+,R,INDC(NDS)-012,1969) 20552 3 6 ERR-ANALYS (ERR-S) Statistical uncertainty 20552 3 7 (ERR-1) Uncertainty in the isotopic content 20552 3 8 (ERR-2) Accuracy of corrections 20552 3 9 (MONIT-ERR) Uncertainty in monitor reaction 20552 3 10 HISTORY (20170125A) SD: BIB update. Monitor data added. 20552 3 11 REACTION ratio was added. 20552 3 12 ENDBIB 10 0 20552 3 13 COMMON 3 3 20552 3 14 ERR-1 ERR-2 ERR-S 20552 3 15 PER-CENT PER-CENT PER-CENT 20552 3 16 0.1 0.3 0.5 20552 3 17 ENDCOMMON 3 0 20552 3 18 DATA 6 1 20552 3 19 DATA 1ERR-T 1DATA 2ERR-T 2MONIT 1MONIT-ERR 120552 3 20 PRT/REAC PRT/REAC NO-DIM NO-DIM PRT/REAC PRT/REAC 20552 3 21 2.240 0.012 1.081 0.005 2.072 0.006 20552 3 22 ENDDATA 3 0 20552 3 23 ENDSUBENT 22 0 20552 399999 SUBENT 20552004 20170125 225720552 4 1 BIB 4 9 20552 4 2 REACTION 1(92-U-233(N,ABS),,SIG) 20552 4 3 2((92-U-233(N,ABS),,SIG)/(92-U-235(N,ABS),,SIG)) 20552 4 4 MONITOR 1(92-U-235(N,ABS),,SIG) 20552 4 5 ERR-ANALYS (ERR-S) Statistical uncertainty 20552 4 6 (ERR-1) Uncertainty in the isotopic content 20552 4 7 (ERR-2) Accuracy of corrections 20552 4 8 (MONIT-ERR) Uncertainty in monitor reaction 20552 4 9 HISTORY (20170125A) SD: BIB update. Monitor data added. 20552 4 10 REACTION ratio was added. 20552 4 11 ENDBIB 9 0 20552 4 12 COMMON 3 3 20552 4 13 ERR-1 ERR-2 ERR-S 20552 4 14 PER-CENT PER-CENT PER-CENT 20552 4 15 0.1 0.3 0.5 20552 4 16 ENDCOMMON 3 0 20552 4 17 DATA 6 1 20552 4 18 DATA 1ERR-T 1DATA 2ERR-T 2MONIT 1MONIT-ERR 120552 4 19 B B NO-DIM NO-DIM B B 20552 4 20 589. 7. 0.868 0.008 678.5 1.9 20552 4 21 ENDDATA 3 0 20552 4 22 ENDSUBENT 21 0 20552 499999 SUBENT 20552005 20170125 225720552 5 1 BIB 3 5 20552 5 2 REACTION ((92-U-233(N,F),,SIG,,MXW)/(92-U-235(N,F),,SIG,,MXW)) 20552 5 3 result after two measurements 20552 5 4 ERR-ANALYS (ERR-1) uncertainty in the ratio count rate 20552 5 5 (ERR-2) uncertainty in spectra 20552 5 6 HISTORY (20170125C) SD 20552 5 7 ENDBIB 5 0 20552 5 8 COMMON 2 3 20552 5 9 ERR-1 ERR-2 20552 5 10 PER-CENT PER-CENT 20552 5 11 0.5 0.7 20552 5 12 ENDCOMMON 3 0 20552 5 13 DATA 2 1 20552 5 14 DATA ERR-T 20552 5 15 NO-DIM NO-DIM 20552 5 16 0.931 0.005 20552 5 17 ENDDATA 3 0 20552 5 18 ENDSUBENT 17 0 20552 599999 ENDENTRY 5 0 2055299999999