ENTRY 21550 19810404 00002155000000001 SUBENT 21550001 19810404 00002155000100001 BIB 14 38 2155000100002 INSTITUTE (2FR GRE) LABORATORY DE CHEMIE PHYSIQUE NUCLEAIRE, CEN 2155000100003 REFERENCE (J,NP/A,255,461,7512) 2155000100004 AUTHOR (R.BRISSOT,J.CRANCON,CH.RISTORI,J.P.BOCQUET,A.MOUSSA) 2155000100005 TITLE -ISOTOPIC DISTRIBUTIONS OF RARE GASES IN THERMAL 2155000100006 NEUTRON FISSION OF U-235 AND U-233 -. 2155000100007 FACILITY (SPECM) MASS SEPERATOR ARIEL. 2155000100008 (REAC ) MELUSINE REACTOR. 2155000100009 INC-SOURCE (THCOL) THERMAL COLUMN, FLUX 3 10*8 N/CM*2/SEC. 2155000100010 INC-SPECT MAXWELLIAN THERMAL NEUTRON SPECTRUM. 2155000100011 SAMPLE .A MIXTURE OF 106 MG URANIUM DIOXIDE, ENRICHED TO 2155000100012 93 PERCENT U-235 AND 5 CM*3 OF BARIUM STEARATE POWDER.2155000100013 .FOR U-233, 50 MG OF URANIUM DIOXIDE, ENRICHED TO 99.3 2155000100014 PERCENT U-233. 2155000100015 METHOD (ASEP ) ON LINE MASS SEPERATION OF PRODUCTS. 2155000100016 (ACTIV) CUMMULATIVE YIELDS ARE DETERMINED FROM THE 2155000100017 ACTIVITY OF RARE GASES WITH RESPECT TO A REFERENCE 2155000100018 ISOTOPE. 2155000100019 SEPERATED MASSES ARE IMPLANTED ONTO AN ALUMINIUM 2155000100020 FOIL AND TRANSFERED TO A SYSTEM OF TWO THIN PLASTIC 2155000100021 SCINTILLATORS FOR 4 PI BETA COUNTING. 2155000100022 .MEASUREMENT OF RARE GAS ACTIVITY DURING IRRADIATION 2155000100023 IS PROPORTIONAL TO THE CUMMULATIVE YIELD OF THE 2155000100024 PRECURSOR. 2155000100025 .MEASURMENT OF THE ACTIVITY AFTER THE END OF THE 2155000100026 IRRADIATION PERIOD IS DUE ONLY TO DECAY OF NON-GASEOUS2155000100027 PRECURSORS IMPLANTED IN THE ALUMINIUM FOIL. 2155000100028 DETECTOR (SCIN ) PLASTIC SCINTILLATORS, 1 MM THICK, SOLID ANGLE 2155000100029 NEAR 4 PI. 2155000100030 ANALYSIS .INDEPENDANT YIELDS ARE NORMALISED VIA THE 2155000100031 CORRESPONDING CUMMULATIVE YIELDS. AS MANY OF THESE ARE2155000100032 CLOSE TO THE MASS CHAIN YIELDS, ESTABLISHED DATA FROM 2155000100033 MEEK AND RIDER, NEDO-12154-1,1974, FOR CHAIN YIELDS 2155000100034 AND FRACTIONAL CUMMULATIVE YIELDS ARE USED. 2155000100035 STATUS .TABLES FROM NP/A,255,461. 2155000100036 HISTORY (800530C) 2155000100037 (800612E) 2155000100038 ERR-ANALYS .QUOTED ERRORS REFLECT SIMPLY THE SCATTER OF SEVERAL 2155000100039 INDEPENDANT MEASUREMENTS. 2155000100040 ENDBIB 38 0 2155000100041 COMMON 1 3 2155000100042 EN-DUMMY 2155000100043 EV 2155000100044 2.5300E-02 2155000100045 ENDCOMMON 3 0 2155000100046 ENDSUBENT 45 0 2155000199999 SUBENT 21550002 19800612 00002155000200001 BIB 4 8 2155000200002 REACTION (92-U-235(N,F)ELEM/MASS,CUM,FY,,MXW) 2155000200003 CUMULATIVE THERMAL FISSION YIELD. 2155000200004 MONITOR (92-U-235(N,F)MASS,CHN,FY,,MXW) VALUES FOR THE CHAIN 2155000200005 YIELDS AND FRACTIONAL CUMULATIVE YIELDS TAKEN 2155000200006 FROM MEEK AND RIDER, NEDO-12154-1,1974. 2155000200007 STATUS .TABLE 2. 2155000200008 HISTORY (800604C) 2155000200009 (800612E) 2155000200010 ENDBIB 8 0 2155000200011 NOCOMMON 0 0 2155000200012 DATA 4 13 2155000200013 ELEMENT MASS DATA DATA-ERR 2155000200014 NO-DIM NO-DIM PC/FIS PC/FIS 2155000200015 3.6000E+01 8.7000E+01 2.6200E+00 1.0000E-01 2155000200016 3.6000E+01 8.8000E+01 3.4500E+00 1.7000E-01 2155000200017 3.6000E+01 8.9000E+01 4.6300E+00 1.7000E-01 2155000200018 3.6000E+01 9.0000E+01 4.8800E+00 1.8000E-01 2155000200019 3.6000E+01 9.1000E+01 3.4000E+00 1.0000E-01 2155000200020 3.6000E+01 9.2000E+01 1.7500E+00 7.0000E-02 2155000200021 3.6000E+01 9.3000E+01 4.7000E-01 3.0000E-02 2155000200022 5.4000E+01 1.3700E+02 6.2000E+00 2.4000E-01 2155000200023 5.4000E+01 1.3800E+02 6.2600E+00 2.4000E-01 2155000200024 5.4000E+01 1.3900E+02 5.3300E+00 2.0000E-01 2155000200025 5.4000E+01 1.4000E+02 3.7500E+00 1.0000E-01 2155000200026 5.4000E+01 1.4100E+02 1.3900E+00 6.0000E-02 2155000200027 5.4000E+01 1.4200E+02 4.5400E-01 2.0000E-02 2155000200028 ENDDATA 15 0 2155000200029 ENDSUBENT 28 0 2155000299999 SUBENT 21550003 19800612 00002155000300001 BIB 4 8 2155000300002 REACTION (92-U-233(N,F)ELEM/MASS,CUM,FY,,MXW) 2155000300003 CUMULATIVE THERMAL FISSION YIELDS. 2155000300004 MONITOR (92-U-233(N,F)MASS,CHN,FY,,MXW) VALUES FOR CHAIN 2155000300005 YIELDS AND FRACTIONAL CUMULATIVE YIELDS TAKEN FROM 2155000300006 MEEK AND RIDER, NEDO-12154-1,1974. 2155000300007 STATUS .TABLE 2. 2155000300008 HISTORY (800604C) 2155000300009 (800612E) 2155000300010 ENDBIB 8 0 2155000300011 NOCOMMON 0 0 2155000300012 DATA 4 13 2155000300013 ELEMENT MASS DATA DATA-ERR 2155000300014 NO-DIM NO-DIM PC/FIS PC/FIS 2155000300015 3.6000E+01 8.7000E+01 4.0700E+00 1.4000E-01 2155000300016 3.6000E+01 8.8000E+01 5.2800E+00 1.8000E-01 2155000300017 3.6000E+01 8.9000E+01 5.6300E+00 1.6000E-01 2155000300018 3.6000E+01 9.0000E+01 4.3600E+00 1.5000E-01 2155000300019 3.6000E+01 9.1000E+01 2.0800E+00 1.0000E-01 2155000300020 3.6000E+01 9.2000E+01 7.9400E-01 3.0000E-02 2155000300021 3.6000E+01 9.3000E+01 1.4800E-01 7.0000E-03 2155000300022 5.4000E+01 1.3700E+02 6.0600E+00 2.0000E-01 2155000300023 5.4000E+01 1.3800E+02 5.6400E+00 2.0000E-01 2155000300024 5.4000E+01 1.3900E+02 3.0900E+00 1.2000E-01 2155000300025 5.4000E+01 1.4000E+02 1.4800E+00 5.0000E-02 2155000300026 5.4000E+01 1.4100E+02 3.7000E-01 3.0000E-02 2155000300027 5.4000E+01 1.4200E+02 8.8000E-02 6.0000E-03 2155000300028 ENDDATA 15 0 2155000300029 ENDSUBENT 28 0 2155000399999 SUBENT 21550004 19800612 00002155000400001 BIB 4 7 2155000400002 REACTION (92-U-235(N,F)ELEM/MASS,IND,FY,,MXW) 2155000400003 INDEPENDANT THERMAL FISSION YIELDS. 2155000400004 MONITOR (92-U-235(N,F)MASS,CHN,FY,,MXW) VALUES FOR CHAIN 2155000400005 YIELDS TAKEN FROM MEEK AND RIDER, NEDO-12154-1. 2155000400006 STATUS .TABLE 2. 2155000400007 HISTORY (800604C) 2155000400008 (800612E) 2155000400009 ENDBIB 7 0 2155000400010 NOCOMMON 0 0 2155000400011 DATA 4 13 2155000400012 ELEMENT MASS DATA DATA-ERR 2155000400013 NO-DIM NO-DIM PC/FIS PC/FIS 2155000400014 3.6000E+01 8.7000E+01 5.4000E-01 4.0000E-02 2155000400015 3.6000E+01 8.8000E+01 1.9200E+00 1.1000E-01 2155000400016 3.6000E+01 8.9000E+01 3.4900E+00 1.5000E-01 2155000400017 3.6000E+01 9.0000E+01 4.2300E+00 2.8000E-01 2155000400018 3.6000E+01 9.1000E+01 3.1200E+00 1.4000E-01 2155000400019 3.6000E+01 9.2000E+01 1.7000E+00 7.0000E-02 2155000400020 3.6000E+01 9.3000E+01 4.6000E-01 3.0000E-02 2155000400021 5.4000E+01 1.3700E+02 2.7200E+00 1.5000E-01 2155000400022 5.4000E+01 1.3800E+02 4.7300E+00 3.2000E-01 2155000400023 5.4000E+01 1.3900E+02 4.7900E+00 3.0000E-01 2155000400024 5.4000E+01 1.4000E+02 3.5500E+00 1.3000E-01 2155000400025 5.4000E+01 1.4100E+02 1.3600E+00 6.0000E-02 2155000400026 5.4000E+01 1.4200E+02 4.4700E-01 2.0000E-02 2155000400027 ENDDATA 15 0 2155000400028 ENDSUBENT 27 0 2155000499999 SUBENT 21550005 19800612 00002155000500001 BIB 4 7 2155000500002 REACTION (92-U-233(N,F)ELEM/MASS,IND,FY,,MXW) 2155000500003 INDEPENDANT THERMAL FISSION YIELDS. 2155000500004 MONITOR (92-U-233(N,F)MASS,CHN,FY,,MXW) VALUES FOR CHAIN 2155000500005 YIELDS TAKEN FROM MEEK AND RIDER, NEDO-12154-1. 2155000500006 STATUS .TABLE 2. 2155000500007 HISTORY (800604C) 2155000500008 (800612E) 2155000500009 ENDBIB 7 0 2155000500010 NOCOMMON 0 0 2155000500011 DATA 4 13 2155000500012 ELEMENT MASS DATA DATA-ERR 2155000500013 NO-DIM NO-DIM PC/FIS PC/FIS 2155000500014 3.6000E+01 8.7000E+01 1.8900E+00 9.0000E-02 2155000500015 3.6000E+01 8.8000E+01 3.9000E+00 1.7000E-01 2155000500016 3.6000E+01 8.9000E+01 4.8900E+00 2.5000E-01 2155000500017 3.6000E+01 9.0000E+01 4.0000E+00 2.0000E-01 2155000500018 3.6000E+01 9.1000E+01 2.0300E+00 1.0000E-01 2155000500019 3.6000E+01 9.2000E+01 7.8800E-01 3.0000E-02 2155000500020 3.6000E+01 9.3000E+01 1.4700E-01 7.0000E-03 2155000500021 5.4000E+01 1.3700E+02 4.4400E+00 1.5000E-01 2155000500022 5.4000E+01 1.3800E+02 4.9500E+00 2.5000E-01 2155000500023 5.4000E+01 1.3900E+02 2.8700E+00 1.5000E-01 2155000500024 5.4000E+01 1.4000E+02 1.4600E+00 5.0000E-02 2155000500025 5.4000E+01 1.4100E+02 3.7000E-01 3.0000E-02 2155000500026 5.4000E+01 1.4200E+02 8.8000E-02 6.0000E-03 2155000500027 ENDDATA 15 0 2155000500028 ENDSUBENT 27 0 2155000599999 SUBENT 21550006 19800612 00002155000600001 BIB 5 9 2155000600002 REACTION (92-U-235(N,F)ELEM/MASS,CUM,FY,,MXW) 2155000600003 CUMULATIVE THERMAL FISSION YIELDS. 2155000600004 MONITOR (92-U-235(N,F)MASS,CHN,FY,,MXW) VALUES FOR CHAIN 2155000600005 YIELDS TAKEN FROM MEEK AND RIDER, NEDO-12154-1. 2155000600006 COMMENT .VALUES ARE DERIVED FROM MEASURED ACTIVITIES OF 2155000600007 PRECURSORS TO RARE GASES. 2155000600008 STATUS .TABLE 3. 2155000600009 HISTORY (800604C) 2155000600010 (800612E) 2155000600011 ENDBIB 9 0 2155000600012 NOCOMMON 0 0 2155000600013 DATA 4 7 2155000600014 ELEMENT MASS DATA DATA-ERR 2155000600015 NO-DIM NO-DIM PC/FIS PC/FIS 2155000600016 3.5000E+01 8.7000E+01 2.0800E+00 1.0000E-01 2155000600017 3.5000E+01 8.8000E+01 1.5300E+00 1.0000E-01 2155000600018 3.5000E+01 8.9000E+01 1.1370E+00 8.0000E-02 2155000600019 3.5000E+01 9.0000E+01 6.5000E-01 1.0000E-01 2155000600020 5.3000E+01 1.3700E+02 3.4800E+00 1.0000E-01 2155000600021 5.3000E+01 1.3800E+02 1.5200E+00 1.5000E-01 2155000600022 5.3000E+01 1.3900E+02 5.4000E-01 2.0000E-01 2155000600023 ENDDATA 9 0 2155000600024 ENDSUBENT 23 0 2155000699999 SUBENT 21550007 19800612 00002155000700001 BIB 5 9 2155000700002 REACTION (92-U-233(N,F)ELEM/MASS,CUM,FY,,MXW) 2155000700003 CUMULATIVE THERMAL FISSION YIELDS. 2155000700004 MONITOR (92-U-233(N,F)MASS,CHN,FY,,MXW) VALUES FOR CHAIN 2155000700005 YIELDS TAKEN FROM MEEK AND RIDER, NEDO-12154-1. 2155000700006 COMMENT .VALUES ARE DERIVED FROM MEASURED ACTIVITIES OF 2155000700007 PRECURSORS TO RARE GASES. 2155000700008 STATUS .TABLE 3. 2155000700009 HISTORY (800604C) 2155000700010 (800612E) 2155000700011 ENDBIB 9 0 2155000700012 NOCOMMON 0 0 2155000700013 DATA 4 7 2155000700014 ELEMENT MASS DATA DATA-ERR 2155000700015 NO-DIM NO-DIM PC/FIS PC/FIS 2155000700016 3.5000E+01 8.7000E+01 2.1800E+00 1.3000E-01 2155000700017 3.5000E+01 8.8000E+01 1.3700E+00 1.0000E-01 2155000700018 3.5000E+01 8.9000E+01 7.3000E-01 1.6000E-01 2155000700019 3.5000E+01 9.0000E+01 3.5000E-01 9.0000E-02 2155000700020 5.3000E+01 1.3700E+02 1.6000E+00 1.0000E-01 2155000700021 5.3000E+01 1.3800E+02 7.0000E-01 1.3000E-01 2155000700022 5.3000E+01 1.3900E+02 2.1000E-01 1.2000E-01 2155000700023 ENDDATA 9 0 2155000700024 ENDSUBENT 23 0 2155000799999 SUBENT 21550008 19810404 00002155000800001 BIB 5 12 2155000800002 REACTION (92-U-235(N,F)ELEM/MASS,IND,FY,,MXW) 2155000800003 INDEPENDANT THERMAL FISSION YIELDS. 2155000800004 MONITOR (92-U-235(N,F)MASS,CHN,FY,,MXW) VALUES FOR CHAIN 2155000800005 YIELDS TAKEN FROM MEEK AND RIDER, NEDO-12154-1. 2155000800006 STATUS .TABLE 3. 2155000800007 (DEP,21550006) 2155000800008 HISTORY (800604C) 2155000800009 (800612E) 2155000800010 CORRECTION .VALUES ARE DERIVED BY APPLYING A CORRECTION 2155000800011 EVALUATED FROM A GAUSSIAN FIT TO THE CHARGE 2155000800012 DISTRIBUTION FOR EACH MASS TO THE CUMULATIVE 2155000800013 YIELDS MEASURED FOR THE HALOGENS. 2155000800014 ENDBIB 12 0 2155000800015 NOCOMMON 0 0 2155000800016 DATA 4 7 2155000800017 ELEMENT MASS DATA DATA-ERR 2155000800018 NO-DIM NO-DIM PC/FIS PC/FIS 2155000800019 3.5000E+01 8.7000E+01 1.1900E+00 2.0000E-01 2155000800020 3.5000E+01 8.8000E+01 1.2400E+00 1.0000E-01 2155000800021 3.5000E+01 8.9000E+01 1.0500E+00 1.0000E-01 2155000800022 3.5000E+01 9.0000E+01 6.3000E-01 1.0000E-01 2155000800023 5.3000E+01 1.3700E+02 2.9900E+00 2.0000E-01 2155000800024 5.3000E+01 1.3800E+02 1.4400E+00 1.5000E-01 2155000800025 5.3000E+01 1.3900E+02 5.3000E-01 2.0000E-01 2155000800026 ENDDATA 9 0 2155000800027 ENDSUBENT 26 0 2155000899999 SUBENT 21550009 19810404 00002155000900001 BIB 5 12 2155000900002 REACTION (92-U-233(N,F)ELEM/MASS,IND,FY,,MXW) 2155000900003 INDEPENDANT THERMAL FISSION YIELDS. 2155000900004 MONITOR (92-U-233(N,F)MASS,CHN,FY,,MXW) VALUES FOR CHAIN 2155000900005 YIELDS TAKEN FROM MEEK AND RIDER, NEDO-12154-1. 2155000900006 STATUS .TABLE 3. 2155000900007 (DEP,21550007) 2155000900008 HISTORY (800604C) 2155000900009 (800612E) 2155000900010 CORRECTION .VALUES ARE DERIVED BY APPLYING A CORRECTION 2155000900011 EVALUATED FROM A GAUSSIAN FIT TO THE CHARGE 2155000900012 DISTRIBUTION FOR EACH MASS TO THE MEASURED 2155000900013 CUMULATIVE YIELDS FOR THE HALOGENS. 2155000900014 ENDBIB 12 0 2155000900015 NOCOMMON 0 0 2155000900016 DATA 4 7 2155000900017 ELEMENT MASS DATA DATA-ERR 2155000900018 NO-DIM NO-DIM PC/FIS PC/FIS 2155000900019 3.5000E+01 8.7000E+01 1.7700E+00 1.3000E-01 2155000900020 3.5000E+01 8.8000E+01 1.2700E+00 1.0000E-01 2155000900021 3.5000E+01 8.9000E+01 7.2000E-01 1.6000E-01 2155000900022 3.5000E+01 9.0000E+01 3.5000E-01 9.0000E-02 2155000900023 5.3000E+01 1.3700E+02 1.5400E+00 1.0000E-01 2155000900024 5.3000E+01 1.3800E+02 6.8000E-01 1.3000E-01 2155000900025 5.3000E+01 1.3900E+02 2.1000E-01 1.2000E-01 2155000900026 ENDDATA 9 0 2155000900027 ENDSUBENT 26 0 2155000999999 SUBENT 21550010 19800612 00002155001000001 BIB 3 5 2155001000002 REACTION (92-U-235(N,F)ELEM,CHG,FY,,MXW) 2155001000003 CHARGE YIELDS IN THERMAL FISSION. 2155001000004 STATUS .TABLE 6. 2155001000005 HISTORY (800604C) 2155001000006 (800612E) 2155001000007 ENDBIB 5 0 2155001000008 NOCOMMON 0 0 2155001000009 DATA 3 3 2155001000010 ELEMENT DATA DATA-ERR 2155001000011 NO-DIM PC/FIS PC/FIS 2155001000012 3.5000E+01 5.1000E+00 1.0000E+00 2155001000013 3.6000E+01 1.5700E+01 6.0000E-01 2155001000014 5.4000E+01 1.9100E+01 1.0000E+00 2155001000015 ENDDATA 5 0 2155001000016 ENDSUBENT 15 0 2155001099999 SUBENT 21550011 19800612 00002155001100001 BIB 3 4 2155001100002 REACTION (92-U-233(N,F)ELEM,CHG,FY,,MXW) CHARGE YIELDS. 2155001100003 STATUS .TABLE 6. 2155001100004 HISTORY (800604C) 2155001100005 (800612E) 2155001100006 ENDBIB 4 0 2155001100007 NOCOMMON 0 0 2155001100008 DATA 3 3 2155001100009 ELEMENT DATA DATA-ERR 2155001100010 NO-DIM PC/FIS PC/FIS 2155001100011 3.5000E+01 6.5000E+00 1.0000E+00 2155001100012 3.6000E+01 1.8500E+01 8.0000E-01 2155001100013 5.4000E+01 1.8400E+01 1.0000E+00 2155001100014 ENDDATA 5 0 2155001100015 ENDSUBENT 14 0 2155001199999 ENDENTRY 11 0 2155099999999