ENTRY 20768 19900312 00002076800000001 SUBENT 20768001 19900312 00002076800100001 BIB 17 54 2076800100002 REFERENCE (R,AERE-R-6862,,7205) DATA AND COMMENTS. 2076800100003 (W,WILLIS,780515) SPECIAL ATTACHED FORM GAVE 2076800100004 INFORMATION ON WORK,AND CONFIRMED DATA. 2076800100005 (R,AERE-R-4727,6501) DETAILS ON DETECTORS. 2076800100006 (R,AERE-R-5587,6701) INFORMATION ABOUT METHOD GIVEN. 2076800100007 AUTHOR (J.G.CUNINGHAME,J.A.B.GOODALL,H.H.WILLIS) 2076800100008 INSTITUTE (2UK HAR) 2076800100009 TITLE -ABSOLUTE YIELDS IN THE FISSION OF U-235,U-238 AND 2076800100010 PU-239 IRRADIATED IN DFR - 2076800100011 FACILITY .DOUNREAY FAST REACTOR. LOW POWER. 2076800100012 INC-SOURCE (REAC ) FISSION SPECTRUM. 2076800100013 INC-SPECT NEUTRON SPECTRA IN PITCH 30 AND 36 CENTRE PLANE 2076800100014 OF D.F.R. WERE REPORTED IN CURVES. SEE AERE-R-6862. 2076800100015 TYPICAL FAST REACTOR SPECTRUM,MEAN ENERGY ABOUT 200KEV2076800100016 METHOD (CHSEP) CHEMICAL SEPARATION OF PRODUCTS. 2076800100017 (STTA ) 2076800100018 (EXTB ) 2076800100019 .SEE FOR MORE DETAILS AERE-R-6862 AND AERE-R-5587. 2076800100020 DETECTOR (FISCH) 3 CHAMBERS WERE USED TO MONITOR THE TOTAL 2076800100021 NUMBER OF FISSION IN THE SAMPLES. THEY GAVE THE 2076800100022 FOLLOWING TOTAL NUMBERS OF FISSION DURING IRRADIATION 2076800100023 U-235 3.31*10**12 FIS./GRAM OF U-235 +-1.8 PERCENT. 2076800100024 U-238 8.10*10**10 FIS./GRAM OF U-238 +-4.3 PERCENT. 2076800100025 PU-239 3.61*10**12 FIS./GRAM OF PU-239 +-3.6 PERCENT. 2076800100026 (PROPC) 2PI BETA-PROPORTIONAL FLOW COUNTERS. 2076800100027 SEE AERE-R-4727. 2076800100028 (GELI ) 2076800100029 PART-DET (N ) 2076800100030 (B- ) 2076800100031 (DG ) 2076800100032 SAMPLE .U-238 AND PU-239 METAL. U-235 AS UO2 2076800100033 ANALYSIS .ABSOLUTE FISSION YIELDS CALCULATED FROM NUMBER OF 2076800100034 FISSION IN SAMPLE AND THE ABSOLUTE DISINTEGRATION 2076800100035 RATE OF THE FISSION PRODUCT AT END OF IRRADIATION. 2076800100036 ERR-ANALYS .RANDOM ERRORS EMERGED FROM THE DATA BECAUSE SOURCES 2076800100037 WERE MOUNTED IN SEXTUPLICATE. 2076800100038 .SYSTEMATIC ERRORS WERE FOLDED IN TO PRODUCE THE 2076800100039 OVERALL STANDARD DEVIATION. 2076800100040 CORRECTION .FOR WEIGHTS OF IRRADIATED SAMPLES. 2076800100041 FOR SELF-ABSORPTION IN BETA COUNTING. 2076800100042 .FOR CARRIER ESTIMATION. 2076800100043 COMMENT .MOST OF THE RESULTS ARE IN FAIR AGREEMENT WITH THE 2076800100044 EVALUATION. M.E.MEEK AND B.F.RIDER,USAEC REPORT 2076800100045 AEFD 5398,1978. 2076800100046 STATUS (APRVD) DATA TAKEN FROM AERE-R-6862. 2076800100047 HISTORY (780519C) 2076800100048 (781213E) 2076800100049 (800723A) REACTIONS RE-DEFINED. 2076800100050 (800808E) 2076800100051 (820115A) TWO MASSES AND ONE YIELD CORRECTED IN 2076800100052 SUBWORKS 002 AND 004. 2076800100053 (820217E) 2076800100054 (890907A) CUM NOT IND YIELDS IN SUBWORKS 002 TO 004 2076800100055 (890919E) 2076800100056 ENDBIB 54 0 2076800100057 NOCOMMON 0 0 2076800100058 ENDSUBENT 57 0 2076800199999 SUBENT 20768002 19900312 00002076800200001 BIB 4 12 2076800200002 REACTION (92-U-235(N,F)ELEM/MASS,CUM,FY,,FST) 2076800200003 FLAG (1.) DATA OBTAINED BY BETA DETECTION. 2076800200004 (2.) DATA OBTAINED BY GAMMA ANALYSIS. 2076800200005 STATUS .TABLE IN PRIVATE COMMUNICATION. 2076800200006 HISTORY (780519C) 2076800200007 (781213E) 2076800200008 (800723A) REACTION RE-DEFINED. 2076800200009 (800808E) 2076800200010 (820115A) TWO MASSES CORRECTED. 2076800200011 (820217E) 2076800200012 (890907A) CUM NOT IND YIELDS 2076800200013 (890919E) 2076800200014 ENDBIB 12 0 2076800200015 COMMON 1 3 2076800200016 EN-DUMMY 2076800200017 MEV 2076800200018 1.0000E+00 2076800200019 ENDCOMMON 3 0 2076800200020 DATA 6 19 2076800200021 ELEMENT MASS ISOMER FLAG DATA DATA-ERR 2076800200022 NO-DIM NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS 2076800200023 3.8000E+01 8.9000E+01 1.0000E+00 4.4000E+00 1.8000E-012076800200024 3.8000E+01 9.0000E+01 1.0000E+00 4.7400E+00 3.0000E-012076800200025 4.0000E+01 9.5000E+01 1.0000E+00 6.3200E+00 5.2000E-012076800200026 4.0000E+01 9.5000E+01 2.0000E+00 6.4300E+00 8.0000E-012076800200027 4.0000E+01 9.7000E+01 1.0000E+00 5.5500E+00 5.8000E-012076800200028 4.2000E+01 9.9000E+01 1.0000E+00 5.2200E+00 2.2000E-012076800200029 4.7000E+01 1.1100E+02 1.0000E+00 3.1000E-02 2.0000E-032076800200030 4.8000E+01 1.1500E+02 1.0000E+00 1.0000E+00 4.8000E-03 3.0000E-032076800200031 4.8000E+01 1.1500E+02 0.0000E+00 1.0000E+00 1.9000E-02 1.0000E-032076800200032 4.8000E+01 1.1500E+02 1.0000E+00 2.4000E-02 4.0000E-032076800200033 5.2000E+01 1.3200E+02 1.0000E+00 3.9900E+00 3.3000E-012076800200034 5.5000E+01 1.3700E+02 1.0000E+00 4.5600E+00 1.6200E+002076800200035 5.6000E+01 1.4000E+02 1.0000E+00 5.6800E+00 2.3000E-012076800200036 5.6000E+01 1.4000E+02 2.0000E+00 5.8900E+00 6.1000E-012076800200037 5.8000E+01 1.4100E+02 1.0000E+00 6.2800E+00 3.3000E-012076800200038 5.8000E+01 1.4100E+02 2.0000E+00 6.0800E+00 4.4000E-012076800200039 5.8000E+01 1.4400E+02 1.0000E+00 3.4500E+00 2.1000E-012076800200040 5.8000E+01 1.4400E+02 2.0000E+00 5.4600E+00 4.5000E-012076800200041 6.3000E+01 1.5600E+02 1.0000E+00 1.3000E-02 1.0000E-032076800200042 ENDDATA 21 0 2076800200043 ENDSUBENT 42 0 2076800299999 SUBENT 20768003 19900312 00002076800300001 BIB 3 8 2076800300002 REACTION (92-U-238(N,F)ELEM/MASS,CUM,FY,,FST) 2076800300003 STATUS .TABLE IN PRIVATE COMMUNICATION. 2076800300004 HISTORY (780519C) 2076800300005 (781213E) 2076800300006 (800723A) REACTION RE-DEFINED. 2076800300007 (800808E) 2076800300008 (890907A) CUM NOT IND YIELDS 2076800300009 (890919E) 2076800300010 ENDBIB 8 0 2076800300011 COMMON 1 3 2076800300012 EN-DUMMY 2076800300013 MEV 2076800300014 1.0000E+00 2076800300015 ENDCOMMON 3 0 2076800300016 DATA 5 11 2076800300017 ELEMENT MASS ISOMER DATA DATA-ERR 2076800300018 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS 2076800300019 3.8000E+01 8.9000E+01 3.1200E+00 1.9000E-01 2076800300020 4.0000E+01 9.5000E+01 7.0700E+00 1.3100E+00 2076800300021 4.0000E+01 9.7000E+01 6.0100E+00 3.7000E-01 2076800300022 4.2000E+01 9.9000E+01 6.0000E+00 7.9000E-01 2076800300023 4.7000E+01 1.1100E+02 5.8000E-02 1.1000E-02 2076800300024 4.8000E+01 1.1500E+02 0.0000E+00 3.2500E-02 5.0000E-03 2076800300025 4.8000E+01 1.1500E+02 3.2500E-02 5.0000E-03 2076800300026 5.2000E+01 1.3200E+02 4.2400E+00 3.4000E-01 2076800300027 5.5000E+01 1.3700E+02 7.6800E+00 1.7200E+00 2076800300028 5.6000E+01 1.4000E+02 5.9400E+00 4.2000E-01 2076800300029 6.3000E+01 1.5600E+02 4.2000E-02 8.0000E-03 2076800300030 ENDDATA 13 0 2076800300031 ENDSUBENT 30 0 2076800399999 SUBENT 20768004 19900312 00002076800400001 BIB 4 12 2076800400002 REACTION (94-PU-239(N,F)ELEM/MASS,CUM,FY,,FST) 2076800400003 FLAG (1.) DATA OBTAINED BY BETA DETECTION. 2076800400004 (2.) DATA OBTAINED BY GAMMA ANALYSIS. 2076800400005 STATUS .TABLE IN PRIVATE COMMUNICATION. 2076800400006 HISTORY (780519C) 2076800400007 (781213E) 2076800400008 (800723A) REACTION RE-DEFINED. 2076800400009 (800808E) 2076800400010 (820115A) ONE MASS AND ONE YIELD CORRECTED. 2076800400011 (820217E) 2076800400012 (890907A) CUM NOT IND YIELDS 2076800400013 (890919E) 2076800400014 ENDBIB 12 0 2076800400015 COMMON 1 3 2076800400016 EN-DUMMY 2076800400017 MEV 2076800400018 1.0000E+00 2076800400019 ENDCOMMON 3 0 2076800400020 DATA 6 19 2076800400021 ELEMENT MASS ISOMER FLAG DATA DATA-ERR 2076800400022 NO-DIM NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS 2076800400023 3.8000E+01 8.9000E+01 1.0000E+00 1.8200E+00 1.3000E-012076800400024 3.8000E+01 9.0000E+01 1.0000E+00 3.3500E+00 3.9000E-012076800400025 4.0000E+01 9.5000E+01 1.0000E+00 5.6300E+00 3.7000E-012076800400026 4.0000E+01 9.5000E+01 2.0000E+00 5.5500E+00 3.5000E-012076800400027 4.0000E+01 9.7000E+01 1.0000E+00 5.6600E+00 3.5000E-012076800400028 4.2000E+01 9.9000E+01 1.0000E+00 5.7800E+00 3.0000E-012076800400029 4.7000E+01 1.1100E+02 1.0000E+00 3.5900E-01 1.8000E-022076800400030 4.8000E+01 1.1500E+02 1.0000E+00 1.0000E+00 4.9000E-03 1.0000E-032076800400031 4.8000E+01 1.1500E+02 0.0000E+00 1.0000E+00 5.8000E-02 3.0000E-032076800400032 4.8000E+01 1.1500E+02 1.0000E+00 6.3000E-02 4.0000E-032076800400033 5.2000E+01 1.3200E+02 1.0000E+00 5.0200E+00 3.6000E-012076800400034 5.5000E+01 1.3700E+02 1.0000E+00 4.6000E+00 1.4700E+002076800400035 5.6000E+01 1.4000E+02 1.0000E+00 5.2900E+00 2.7000E-012076800400036 5.6000E+01 1.4000E+02 2.0000E+00 5.3600E+00 5.5000E-012076800400037 5.8000E+01 1.4100E+02 1.0000E+00 5.5900E+00 4.0000E-012076800400038 5.8000E+01 1.4100E+02 2.0000E+00 5.7000E+00 3.5000E-012076800400039 5.8000E+01 1.4400E+02 1.0000E+00 2.6900E+00 1.7000E-012076800400040 5.8000E+01 1.4400E+02 2.0000E+00 3.8600E+00 3.2000E-012076800400041 6.3000E+01 1.5600E+02 1.0000E+00 1.0600E-01 5.0000E-032076800400042 ENDDATA 21 0 2076800400043 ENDSUBENT 42 0 2076800499999 ENDENTRY 4 0 2076899999999