ENTRY 21652 19810415 00002165200000001 SUBENT 21652001 19810415 00002165200100001 BIB 15 37 2165200100002 INSTITUTE (2FR ILL) 2165200100003 REFERENCE (J,NP/A,314,1,1,790126) 2165200100004 AUTHOR (C.GUET,C.SIGNARBIEUX,P.PERRIN,H.NIFENECKER, 2165200100005 M.ASGHAR,F.CAITUCOLI,B.LEROUX) 2165200100006 TITLE -A DETAILED INVESTIGATION OF THE THERMAL NEUTRON 2165200100007 INDUCED TERNARY FISSION OF U-235.- 2165200100008 FACILITY (REAC,2FR ILL) HIGH FLUX REACTOR, INCLINED 2165200100009 BEAM HOLE IH1, THERMAL FLUX 5.E+09 N/CM**2/S. 2165200100010 INC-SOURCE (REAC ) REACTOR. 2165200100011 INC-SPECT THERMAL MAXWELLIAN FROM REACTOR. 2165200100012 SAMPLE .1 CM**2 CIRCULAR U TARGET, 150 MICRO-GRAMS/CM**2 2165200100013 U-F(4), 97 PERC ENRICHED IN U-235, EVAPORATED 2165200100014 ONTO A 20 MICRO-GRAMS/CM**2 GOLD-COATED 2165200100015 50 MICRO-GRAMS/CM**2 VYNS BACKING. MUCH THINNER 2165200100016 TARGETS (7-8 MICRO-GRAMS/CM**2) WERE USED TO 2165200100017 CALIBRATE THE DETECTORS IN ENERGY. 2165200100018 METHOD (TOF ) BETWEEN THE DETECTION OF THE TERNARY 2165200100019 ALPHA PARTICLE AND THE DETECTION OF THE 2165200100020 ASSOCIATED FISSION FRAGMENT, TO DETERMINE THE 2165200100021 MASS OF THE FISSION FRAGMENT. 2165200100022 DETECTOR (SOLST) A RECTANGULAR 1CM * 3CM SI(AU) SURFACE 2165200100023 BARRIER DETECTOR FOR THE DETECTION OF THE LRA. 2165200100024 ITS DEPLETED LAYER WAS ADJUSTED AROUND 500 MICRONS. 2165200100025 (SOLST) 7 SI(AU) SURFACE BARRIER DETECTORS FROM 2165200100026 ORTEC AT 50 CM FROM THE TARGET AT DIFFERENT ANGLES 2165200100027 (68,73,78,83,88,93, AND 98 DEGREES WITH RESPECT 2165200100028 TO THE ALPHA PARTICLE). THEY ARE COVERED WITH 2165200100029 2 CM DIAM TA COLLIMATORS TO PREVENT EDGE EFFECTS. 2165200100030 PART-DET (FF ) FISSION FRAGMENTS, 2165200100031 (A ) AND LONG RANGE ALPHA PARTICLES. 2165200100032 STATUS .DATA FROM MAIN REFERENCE. 2165200100033 HISTORY (800915C) G.C. 2165200100034 (801015E) 2165200100035 CORRECTION .SPURIOUS EVENTS (FORTUITE COINCIDENCES) WERE 2165200100036 ELIMINATED BY BIDIMENSIONAL REPRESENTATION 2165200100037 OF ALL THE EVENTS IN AN TOF-PH-ARRAY. 2165200100038 ERR-ANALYS .NO DETAILS GIVEN. 2165200100039 ENDBIB 37 0 2165200100040 COMMON 1 3 2165200100041 EN-DUMMY 2165200100042 EV 2165200100043 2.5300E-02 2165200100044 ENDCOMMON 3 0 2165200100045 ENDSUBENT 44 0 2165200199999 SUBENT 21652002 19801015 00002165200200001 BIB 4 8 2165200200002 REACTION (92-U-235(N,F),TER,AKE,FF,MXW) 2165200200003 COMMENT .THE DATA ARE ONLY TAKEN IN THE ANGULAR RANGE 2165200200004 FROM 60 TO 100 DEGREES. 2165200200005 .THEY ARE IN GOOD AGREEMENT WITH THE DATA OF 2165200200006 ASGHAR ET AL. TAKEN OVER THE COMPLETE ANGULAR RANGE. 2165200200007 STATUS .DATA FROM TABLE 1 OF MAIN REFERENCE. 2165200200008 HISTORY (800915C) G.C. 2165200200009 (801015E) 2165200200010 ENDBIB 8 0 2165200200011 NOCOMMON 0 0 2165200200012 DATA 2 1 2165200200013 DATA DATA-ERR 2165200200014 MEV MEV 2165200200015 1.5360E+02 3.0000E+00 2165200200016 ENDDATA 3 0 2165200200017 ENDSUBENT 16 0 2165200299999 ENDENTRY 2 0 2165299999999