ENTRY 21468 19800429 00002146800000001 SUBENT 21468001 19800429 00002146800100001 BIB 14 30 2146800100002 INSTITUTE (2UK HAR) 2146800100003 REFERENCE (R,AERE-NP/R-1996,,5606) 2146800100004 AUTHOR (C.A.UTTLEY,J.A.PHILLIPS) 2146800100005 TITLE -FISSION CROSS SECTIONS OF U-238,U-235,U-233,PU-239 2146800100006 AND TH-232 FOR 14 MEV NEUTRONS -. 2146800100007 FACILITY (VDG ) VAN DER GRAAFF. 2146800100008 INC-SOURCE (D-T ) 300 KEV DEUTERIUM BEAM ON ZIRCONIUM-TRITIUM 2146800100009 TARGET. 2146800100010 SAMPLE .KNOWN MASS OF ENRICHED FISSILE ISOTOPES, NO DETAILS. 2146800100011 METHOD .FISSION FRAGMENT DETECTION. 2146800100012 DETECTOR (FISCH) BACK-TO-BACK FISSION CHAMBER, WITH FISSILE 2146800100013 DEPOSITS ON THICK PLATINUM DISCS. CHAMBER FILLED 2146800100014 WITH A MIXTURE OF 95 PERCENT ARGON AND CARBON DIOXIDE 2146800100015 AT A PRESSURE OF 10 CM HG. 2146800100016 PART-DET (FF ) FISSION FRAGMENTS. 2146800100017 STATUS .TABLE IN AERE-NP/R-1996. 2146800100018 HISTORY (800324C) 2146800100019 (800429E) 2146800100020 CORRECTION .CORRECTED FOR THE STOPPING OF FISSION FRAGMENTS IN 2146800100021 THE FOIL (0.5 TO 2.9 PC), DISCIMINATOR BIAS, AND 2146800100022 SCATTERING OF NEUTRONS BETWWEEN THE TARGET AND THE 2146800100023 FOILS (3 PC). 2146800100024 ERR-ANALYS .QUOTED ERRORS INCLUDE THE UNCERTAINTY IN THE MASS 2146800100025 OF THE FISSILE DEPOSIT, THE STATISTICAL UNCERATINTY 2146800100026 IN THE NUMBER OF FISSIONS ( LESS THAN 1 PC), THE 2146800100027 UNCERTAINTY IN THE DISTANCE BETWEEN THE NEUTRON 2146800100028 SOURCE AND THE SAMPLE FOIL ( 2 PC IN SOLID ANGLE FOR 2146800100029 THE FISSILE FOIL, AND 1 PC FOR THE ALPHA MONITOR). 2146800100030 FOR THE RELATIVE MEASUREMENTS THE UNCERTAINTY IN THE 2146800100031 U-238 REFERENCE CROSS SECTION IS INCLUDED. 2146800100032 ENDBIB 30 0 2146800100033 COMMON 2 3 2146800100034 EN EN-RSL 2146800100035 MEV MEV 2146800100036 1.4100E+01 1.5000E-01 2146800100037 ENDCOMMON 3 0 2146800100038 ENDSUBENT 37 0 2146800199999 SUBENT 21468002 19800429 00002146800200001 BIB 4 6 2146800200002 REACTION (92-U-238(N,F),,SIG) CROSS SECTION. 2146800200003 ANALYSIS .ABSOLUTE MEASUREMENT, NEUTRON FLUX FROM ASSOCIATED 2146800200004 ALPHA COUNTING. 2146800200005 STATUS .TABLE. 2146800200006 HISTORY (800324C) 2146800200007 (800429E) 2146800200008 ENDBIB 6 0 2146800200009 NOCOMMON 0 0 2146800200010 DATA 2 1 2146800200011 DATA DATA-ERR 2146800200012 B B 2146800200013 1.1400E+00 3.0000E-02 2146800200014 ENDDATA 3 0 2146800200015 ENDSUBENT 14 0 2146800299999 SUBENT 21468003 19800429 00002146800300001 BIB 4 5 2146800300002 REACTION (92-U-235(N,F),,SIG) CROSS SECTION. 2146800300003 MONITOR (92-U-238(N,F),,SIG) VALUE TAKEN AS 1.14+-0.03B. 2146800300004 STATUS .TABLE 1. 2146800300005 HISTORY (800324C) 2146800300006 (800429E) 2146800300007 ENDBIB 5 0 2146800300008 NOCOMMON 0 0 2146800300009 DATA 4 1 2146800300010 MONIT MONIT-ERR DATA DATA-ERR 2146800300011 B B B B 2146800300012 1.1400E+00 3.0000E-02 2.2000E+00 7.0000E-02 2146800300013 ENDDATA 3 0 2146800300014 ENDSUBENT 13 0 2146800399999 SUBENT 21468004 19800429 00002146800400001 BIB 4 5 2146800400002 REACTION (92-U-233(N,F),,SIG) CROSS SECTION. 2146800400003 MONITOR (92-U-238(N,F),,SIG) VALUE TAKEN AS 1.14+-0.03B. 2146800400004 STATUS .TABLE 1. 2146800400005 HISTORY (800324C) 2146800400006 (800429E) 2146800400007 ENDBIB 5 0 2146800400008 NOCOMMON 0 0 2146800400009 DATA 4 1 2146800400010 MONIT MONIT-ERR DATA DATA-ERR 2146800400011 B B B B 2146800400012 1.1400E+00 3.0000E-02 2.5200E+00 1.4000E-01 2146800400013 ENDDATA 3 0 2146800400014 ENDSUBENT 13 0 2146800499999 SUBENT 21468005 19800429 00002146800500001 BIB 4 5 2146800500002 REACTION (94-PU-239(N,F),,SIG) CROSS SECTION. 2146800500003 MONITOR (92-U-238(N,F),,SIG) VALUE TAKEN AS 1.14+-0.03B. 2146800500004 STATUS .TABLE 1. 2146800500005 HISTORY (800324C) 2146800500006 (800429E) 2146800500007 ENDBIB 5 0 2146800500008 NOCOMMON 0 0 2146800500009 DATA 4 1 2146800500010 MONIT MONIT-ERR DATA DATA-ERR 2146800500011 B B B B 2146800500012 1.1400E+00 3.0000E-02 2.5800E+00 9.0000E-02 2146800500013 ENDDATA 3 0 2146800500014 ENDSUBENT 13 0 2146800599999 SUBENT 21468006 19800429 00002146800600001 BIB 4 5 2146800600002 REACTION (90-TH-232(N,F),,SIG) CROSS SECTION. 2146800600003 MONITOR (92-U-238(N,F),,SIG) VALUE TAKEN AS 1.14+-0.03B. 2146800600004 STATUS .TABLE 1. 2146800600005 HISTORY (800324C) 2146800600006 (800429E) 2146800600007 ENDBIB 5 0 2146800600008 NOCOMMON 0 0 2146800600009 DATA 4 1 2146800600010 MONIT MONIT-ERR DATA DATA-ERR 2146800600011 B B B B 2146800600012 1.1400E+00 3.0000E-02 3.4700E-01 1.8000E-02 2146800600013 ENDDATA 3 0 2146800600014 ENDSUBENT 13 0 2146800699999 ENDENTRY 6 0 2146899999999