ENTRY 21471 800429 2147100000001 SUBENT 21471001 800429 2147100100001 BIB 14 27 2147100100002 INSTITUTE (2UK HAR) 2147100100003 REFERENCE (R,AERE-R-2998,,5907) 2147100100004 (R,AERE-NP/R-2104,,5703) ABSTRACT. 2147100100005 (R,NRDC-51,,5410) SUPERSEDED. 2147100100006 AUTHOR (J.F.RAFFLE) 2147100100007 TITLE -FISSION CROSS SECTIONS OF U-233, U-235 AND PU-239 2147100100008 FOR 2200 M/SEC NEUTRONS -. 2147100100009 FACILITY (REAC ) BEPO REACTOR. 2147100100010 (SELVE) SLOW NEUTRON VELOCITY SELECTOR. 2147100100011 INC-SOURCE (REAC ) PILE NEUTRONS. 2147100100012 METHOD .FISSION FRAGMENT DETECTION. 2147100100013 DETECTOR (FISCH) 2 PI FISSION CHAMBER. 2147100100014 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2200 M/SEC VALUE2147100100015 TAKEN AS 98.5 +- 0.5 B. 2147100100016 NEUTRON FLUX MONITORED WITH A THIN B-10 GRIDDED 2147100100017 IONISATION CHAMBERS CALIBRATED IN A SEPARATE 2147100100018 EXPERIMENT TO SATURATED GOLD ACTIVITY IN A STANDARD 2147100100019 GOLD ACTIVATION FOIL. 2147100100020 PART-DET (FF ) FISSION FRAGMENTS. 2147100100021 STATUS .TABLE IN AERE-R-2998. 2147100100022 HISTORY (800325C) 2147100100023 (800429E) 2147100100024 CORRECTION .CORRECTIONS APPLIED FOR THE MONITOR SOURCE SIZE, 2147100100025 SELF ABSORPTION AND SPECTRAL COMPLEXITY. 2147100100026 ERR-ANALYS .ONE STANDARD DEVIATION, INCLUDING UNCERTAINTIES 2147100100027 IN SAMPLE MASS (ABOUT 2 PC), NEUTRON FLUX (1 PC), 2147100100028 AND COUNTING STATISTICS, COMBINED QUADRATICALLY. 2147100100029 ENDBIB 27 0 2147100100030 COMMON 2 3 2147100100031 MONIT MONIT-ERR 2147100100032 B B 2147100100033 9.8700E+01 5.0000E-01 2147100100034 ENDCOMMON 3 0 2147100100035 ENDSUBENT 34 0 2147100199999 SUBENT 21471002 810204 2147100200001 BIB 5 7 2147100200002 REACTION (92-U-233(N,F),,SIG,,MXW) AVG CROSS SECTION. 2147100200003 INC-SPECT MAXWELLIAN NEUTRON SPECTRUM AT 30 DEG C. 2147100200004 SAMPLE .ENRICHED DEPOSIT OF U-233, 99.51 PERCENT, PAINTED 2147100200005 AS OXIDE LAYER ON AN ALUMINIUM FOIL. 2147100200006 STATUS .TABLE. 2147100200007 HISTORY (800325C) 2147100200008 (800429E) 2147100200009 ENDBIB 7 0 2147100200010 NOCOMMON 0 0 2147100200011 DATA 3 1 2147100200012 EN-DUMMY DATA DATA-ERR 2147100200013 EV B B 2147100200014 2.5300E-02 5.2200E+02 1.5000E+01 2147100200015 ENDDATA 3 0 2147100200016 ENDSUBENT 15 0 2147100299999 SUBENT 21471003 800429 2147100300001 BIB 4 6 2147100300002 REACTION (92-U-233(N,F),,SIG) 2200 M/SEC VALUE. 2147100300003 SAMPLE .ENRICHED U-233, 99.51 PERCENT, PAINTED AS OXIDE 2147100300004 ON AN ALUMINIUM FOIL. 2147100300005 STATUS .TABLE. 2147100300006 HISTORY (800325C) 2147100300007 (800429E) 2147100300008 ENDBIB 6 0 2147100300009 NOCOMMON 0 0 2147100300010 DATA 3 1 2147100300011 EN DATA DATA-ERR 2147100300012 EV B B 2147100300013 2.5300E-02 5.1500E+02 1.5000E+01 2147100300014 ENDDATA 3 0 2147100300015 ENDSUBENT 14 0 2147100399999 SUBENT 21471004 800429 2147100400001 BIB 5 8 2147100400002 REACTION (92-U-233(N,F),,SIG,,RTE) CROSS SECTION TIMES 2147100400003 SQUARE ROOT OF ENERGY. 2147100400004 SAMPLE .ENRICHED U-233, 99.51 PERCENT, PAINTED AS OXIDE 2147100400005 ONTO ALUMINIUM FOILS. 2147100400006 METHOD (TOF ) TIME OF FLIGHT. 2147100400007 STATUS .TABLE IN AERE-R-2998. 2147100400008 HISTORY (800325C) 2147100400009 (800429E) 2147100400010 ENDBIB 8 0 2147100400011 NOCOMMON 0 0 2147100400012 DATA 2 6 2147100400013 EN DATA 2147100400014 EV B*RT-EV 2147100400015 1.7200E-02 8.2000E+01 2147100400016 1.9000E-02 8.0500E+01 2147100400017 2.1000E-02 8.4000E+01 2147100400018 2.3300E-02 8.1700E+01 2147100400019 2.6000E-02 8.3500E+01 2147100400020 2.9200E-02 8.0500E+01 2147100400021 ENDDATA 8 0 2147100400022 ENDSUBENT 21 0 2147100499999 SUBENT 21471005 810204 2147100500001 BIB 5 7 2147100500002 REACTION (92-U-235(N,F),,SIG,,MXW) MAXWELLIAN AVG CROSS SECTION 2147100500003 INC-SPECT MAXWELLIAN NEUTRON SPECTRUM AT 30 DEG C. 2147100500004 SAMPLE .ENRICHED U-235, PAINTED AS OXIDE 2147100500005 ONTO AN ALUMINIUM FOIL. 2147100500006 STATUS .TABLE . 2147100500007 HISTORY (800325C) 2147100500008 (800429E) 2147100500009 ENDBIB 7 0 2147100500010 NOCOMMON 0 0 2147100500011 DATA 3 1 2147100500012 EN-DUMMY DATA DATA-ERR 2147100500013 EV B B 2147100500014 2.5300E-02 5.7000E+02 1.0000E+01 2147100500015 ENDDATA 3 0 2147100500016 ENDSUBENT 15 0 2147100599999 SUBENT 21471006 800429 2147100600001 BIB 4 6 2147100600002 REACTION (92-U-235(N,F),,SIG) 2200 M/SEC VALUE. 2147100600003 SAMPLE .ENRICHED U-235, DEPOSITED AS OXIDE ONTO ALUMINIUM 2147100600004 FOILS. 2147100600005 STATUS .TABLE. 2147100600006 HISTORY (800325C) 2147100600007 (800429E) 2147100600008 ENDBIB 6 0 2147100600009 NOCOMMON 0 0 2147100600010 DATA 3 1 2147100600011 EN DATA DATA-ERR 2147100600012 EV B B 2147100600013 2.5300E-02 5.8200E+02 1.2000E+01 2147100600014 ENDDATA 3 0 2147100600015 ENDSUBENT 14 0 2147100699999 SUBENT 21471007 800429 2147100700001 BIB 5 7 2147100700002 REACTION (92-U-235(N,F),,SIG,,RTE) DIFFERENTIAL CROSS SECTION. 2147100700003 TIMES SQUARE ROOT OF ENERGY. 2147100700004 SAMPLE .ENRICHED U-235 AS OXIDE ON ALUMINIUM FOIL. 2147100700005 METHOD (TOF ) TIME OF FLIGHT. 2147100700006 STATUS .TABLE, AERE-R-2998. 2147100700007 HISTORY (800325C) 2147100700008 (800429E) 2147100700009 ENDBIB 7 0 2147100700010 NOCOMMON 0 0 2147100700011 DATA 2 6 2147100700012 EN DATA 2147100700013 EV B*RT-EV 2147100700014 1.9400E-02 9.4400E+01 2147100700015 2.1400E-02 9.4900E+01 2147100700016 2.3800E-02 9.1700E+01 2147100700017 2.6600E-02 8.9000E+01 2147100700018 3.0100E-02 9.0800E+01 2147100700019 3.4100E-02 9.0000E+01 2147100700020 ENDDATA 8 0 2147100700021 ENDSUBENT 20 0 2147100799999 SUBENT 21471008 810204 2147100800001 BIB 5 6 2147100800002 REACTION (94-PU-239(N,F),,SIG,,MXW) MAXWELLIAN CROSS SECTION 2147100800003 INC-SPECT MAXWELLIAN NEUTRON SPECTRUM AT 30 DEG C. 2147100800004 SAMPLE .ENRICHED SAMPLE OF 99.4 PERCENT PU-239. 2147100800005 STATUS .TABLE. 2147100800006 HISTORY (800325C) 2147100800007 (800429E) 2147100800008 ENDBIB 6 0 2147100800009 NOCOMMON 0 0 2147100800010 DATA 3 1 2147100800011 EN-DUMMY DATA DATA-ERR 2147100800012 EV B B 2147100800013 2.5300E-02 7.3900E+02 2.0000E+01 2147100800014 ENDDATA 3 0 2147100800015 ENDSUBENT 14 0 2147100899999 SUBENT 21471009 800429 2147100900001 BIB 4 5 2147100900002 REACTION (94-PU-239(N,F),,SIG) 2200 M/SEC VALUE. 2147100900003 SAMPLE .ENRICHED SAMPLE OF 99.4 PERCENT PU-239. 2147100900004 STATUS .TABLE . 2147100900005 HISTORY (800325C) 2147100900006 (800429E) 2147100900007 ENDBIB 5 0 2147100900008 NOCOMMON 0 0 2147100900009 DATA 3 1 2147100900010 EN DATA DATA-ERR 2147100900011 EV B B 2147100900012 2.5300E-02 7.0400E+02 2.0000E+01 2147100900013 ENDDATA 3 0 2147100900014 ENDSUBENT 13 0 2147100999999 SUBENT 21471010 800429 2147101000001 BIB 5 7 2147101000002 REACTION (94-PU-239(N,F),,SIG,,RTE) CROSS SECTION TIMES 2147101000003 SQUARE ROOT OF ENERGY. 2147101000004 SAMPLE .ENRICHED PU-239, 99.4 PERCENT. 2147101000005 COMMENT .TIME OF FLIGHT DATA FROM VELOCITY SELECTOR. 2147101000006 STATUS .TABLE IN AERE-R-2998. 2147101000007 HISTORY (800325C) 2147101000008 (800429E) 2147101000009 ENDBIB 7 0 2147101000010 NOCOMMON 0 0 2147101000011 DATA 2 6 2147101000012 EN DATA 2147101000013 EV B*RT-EV 2147101000014 1.9400E-02 1.1200E+02 2147101000015 2.1400E-02 1.0970E+02 2147101000016 2.3800E-02 1.1320E+02 2147101000017 2.6600E-02 1.1290E+02 2147101000018 3.0100E-02 1.0960E+02 2147101000019 3.4100E-02 1.1380E+02 2147101000020 ENDDATA 8 0 2147101000021 ENDSUBENT 20 0 2147101099999 SUBENT 21471011 810204 2147101100001 BIB 5 6 2147101100002 REACTION (94-PU-241(N,F),,SIG,,MXW) CROSS SECTION. 2147101100003 INC-SPECT MAXWELLIAN NEUTRON SPECTRUM AT 30 DEG C. 2147101100004 SAMPLE .ENRICHED PLUTONIUM FOIL. 2147101100005 STATUS .TABLE IN AERE-R-2998. 2147101100006 HISTORY (800325C) 2147101100007 (800429E) 2147101100008 ENDBIB 6 0 2147101100009 NOCOMMON 0 0 2147101100010 DATA 3 1 2147101100011 EN-DUMMY DATA DATA-ERR 2147101100012 EV B B 2147101100013 2.5300E-02 9.3000E+02 4.0000E+01 2147101100014 ENDDATA 3 0 2147101100015 ENDSUBENT 14 0 2147101199999 SUBENT 21471012 800429 2147101200001 BIB 5 6 2147101200002 REACTION (94-PU-241(N,F),,SIG) DIFFERENTIAL CROSS SECTION. 2147101200003 SAMPLE .ENRICHED PLUTONIUM, FROM B.E.P.O. 2147101200004 COMMENT .TIME OF FLIGHT DATA FROM VELOCITY SELECTOR. 2147101200005 STATUS .TABLE IN AERE-R-2998. 2147101200006 HISTORY (800325C) 2147101200007 (800429E) 2147101200008 ENDBIB 6 0 2147101200009 NOCOMMON 0 0 2147101200010 DATA 3 11 2147101200011 EN DATA DATA-ERR 2147101200012 EV B B 2147101200013 6.1500E-03 1.5200E+03 1.5000E+02 2147101200014 8.9000E-03 1.4700E+03 1.0000E+02 2147101200015 1.0800E-02 1.4850E+03 1.2000E+02 2147101200016 1.1900E-02 1.3700E+03 7.0000E+01 2147101200017 1.6500E-02 1.2350E+03 6.0000E+01 2147101200018 1.8200E-02 1.0750E+03 6.0000E+01 2147101200019 3.1200E-02 8.0600E+02 3.0000E+01 2147101200020 4.0200E-02 7.7500E+02 6.0000E+01 2147101200021 6.3000E-02 7.1400E+02 4.0000E+01 2147101200022 9.3500E-02 5.4500E+02 3.0000E+01 2147101200023 9.7500E-02 6.1000E+02 6.0000E+01 2147101200024 ENDDATA 13 0 2147101200025 ENDSUBENT 24 0 2147101299999 ENDENTRY 12 0 2147199999999