ENTRY 20490 19840120 00002049000000001 SUBENT 20490001 19840120 00002049000100001 BIB 14 63 2049000100002 INSTITUTE (2FR BRC) 2049000100003 REFERENCE (W,FREHAUT,8009) PRIVATE COMMUNICATION OF FREHAUT 2049000100004 WITH THE FINAL DATA, SUPERSEDING THE DATA OF THE 2049000100005 REFERENCES LISTED BELOW - 2049000100006 (R,EANDC(E)-154,67,7303) CONTRIBUTIONS TO THE EANDC 2049000100007 TOPICAL CONFERENCE ON 'NU-BAR', NOVEMBER 29,1972, 2049000100008 SACLAY(FRANCE). 2049000100009 THIS PAPER IS KEPT AS THE MAIN REFERENCE FOR THE 2049000100010 DESCRIPTION OF THE EXPERIMENTS. 2049000100011 THE PAPER GIVES DATA FOR U-235,U-238,PU-239,PU-240. 2049000100012 ONLY THOSE FOR U-238 AND PU-239, HOWEVER, ARE 2049000100013 REPORTED HERE. FOR U-235 DATA SEE REFERENCE 2049000100014 (C,73KIEV,3,153,7305) 2049000100015 AND FOR PU-240 DATA SEE 2049000100016 (R,CEA-R-4626,7411) 2049000100017 WITH MORE UP-TO-DATE RESULTS. 2049000100018 THE REFERENCE ABOVE (EANDC(E)-154) SUPERSEDES 2049000100019 THE RESULTS PUBLISHED IN 2049000100020 (J,JNE,23,257,6905) 2049000100021 ASSOCIATED REFERENCES ARE 2049000100022 (P,EANDC(E)-89,6802) WITH PRELIMINARY RESULTS 2049000100023 (P,EANDC(E)-115,6903) PROGR.REPORT ANNOUNCING NEW 2049000100024 MEASUREMENTS 2049000100025 (C,69VIENNA,,931,6907) PROGRESS REPORT. 2049000100026 AUTHOR (J.FREHAUT, G.MOSINSKI, M.SOLEILHAC) 2049000100027 TITLE -RECENT RESULTS ON NU-PROMPT MEASUREMENTS BETWEEN 2049000100028 1.5 AND 15 MEV.- 2049000100029 FACILITY (VDGT ) 12 MEV TANDEM VAN DE GRAAFF. 2049000100030 INC-SOURCE (P-T ) T(P,N)HE3 FOR NEUTRONS FROM 1.5 TO 7 MEV, 2049000100031 (D-D ) D(D,N)HE3 FOR NEUTRONS FROM 7 TO 15 MEV. 2049000100032 SAMPLE .FAST FISSION CHAMBER CONTAINING FISSILE MATERIALS. 2049000100033 METHOD (TOF ) TIME OF FLIGHT TO SEPARATE FISSION EVENTS 2049000100034 INDUCED BY MONOENERGETIC INCIDENT NEUTRONS FROM 2049000100035 SPONTANEOUS AND SPURIOUS FISSION EVENT. 2049000100036 DETECTOR (SCIN ) GADOLINIUM-LOADED LIQUID SCINTILLATOR TANK. 2049000100037 MONITOR (98-CF-252(0,F),PR,NU) PROMPT NU-BAR VALUE. 2049000100038 STATUS .DATA FROM PRIVATE COMMUNICATION OF FREHAUT. 2049000100039 HISTORY (730906C) 2049000100040 (760315E) 2049000100041 (801016A) G.C., CONVERTED TO REACTION FORMALISM, 2049000100042 DATA UPDATED FOR THE PRIVATE COMMUNICATION OF 2049000100043 OF FREHAUT. 2049000100044 (801104E) 2049000100045 CORRECTION .NU WAS CORRECTED FOR BACKGROUND COUNTS, DEAD TIME 2049000100046 LOSSES, SPURIOUS FISSION, VARIATION OF THE 2049000100047 SCINTILLATOR EFFICIENCY WITH THE FISSION COUNTER 2049000100048 POSITION, CHANGES IN THE COUNTER EFFICIENCY WITH 2049000100049 THE BACKGROUND RATE. 2049000100050 .THE AUTHORS HAVE NOTICED THAT THE BACKGROUND WAS 2049000100051 ALWAYS HIGHER FOR EVENTS WITHIN THE T-OF-F PEAK 2049000100052 THAN FOR THE REST OF THE T-OF-F SPECTRUM AND IT WAS 2049000100053 RECOGNIZED ESSENTIAL TO CONSIDER THE BACKGROUND 2049000100054 ASSOCIATED WITH THE PART OF THE T-OF-F BEING 2049000100055 ANALYSED. 2049000100056 A CORRECTION FOR THIS VARIABLE BACKGROUND WAS APPLIED 2049000100057 WHICH RESULTED IN AN INCREASE OF THE NU VALUES GIVEN 2049000100058 IN JNE,23,257. 2049000100059 .IN A THIRD MEASUREMENT TO CHECK THESE CORRECTIONS 2049000100060 THIS WAS NOT CONFIRMED AND IT WAS RATHER THE FIRST 2049000100061 SET OF DATA THAT WAS CONFIRMED. THEREFORE THE DATA 2049000100062 ARE ONCE AGAIN UPDATED IN THE PRIVATE COMMUNICATION 2049000100063 OF FREHAUT. 2049000100064 ERR-ANALYS (ERR-S) STATISTICAL ERROR ONLY. 2049000100065 ENDBIB 63 0 2049000100066 COMMON 1 3 2049000100067 MONIT 2049000100068 NO-DIM 2049000100069 3.7320E+00 2049000100070 ENDCOMMON 3 0 2049000100071 ENDSUBENT 70 0 2049000199999 SUBENT 20490002 19840120 00002049000200001 BIB 3 7 2049000200002 REACTION (92-U-238(N,F),PR,NU) PROMPT NU-BAR. 2049000200003 STATUS .DATA FROM PRIVATE COMMUNICATION OF FREHAUT. 2049000200004 HISTORY (730906C) 2049000200005 (760315E) 2049000200006 (801016A) G.C., CONVERTED TO REACTION MECHANISM, 2049000200007 UPDATED FOR PRIVATE COMMUNICATION OF FREHAUT. 2049000200008 (801104E) 2049000200009 ENDBIB 7 0 2049000200010 NOCOMMON 0 0 2049000200011 DATA 4 34 2049000200012 EN EN-RSL DATA ERR-S 2049000200013 MEV MEV NO-DIM NO-DIM 2049000200014 1.3600E+00 1.6500E-01 2.5120E+00 3.0000E-02 2049000200015 1.3700E+00 1.5000E-01 2.5560E+00 3.0000E-02 2049000200016 2.3300E+00 1.0000E-01 2.5830E+00 3.0000E-02 2049000200017 2.4500E+00 1.2500E-01 2.6000E+00 3.0000E-02 2049000200018 2.9800E+00 1.0500E-01 2.6370E+00 2.3000E-02 2049000200019 3.5000E+00 1.0000E-01 2.7560E+00 2.9000E-02 2049000200020 3.9300E+00 7.5000E-02 2.8410E+00 2.7000E-02 2049000200021 4.0300E+00 9.0000E-02 2.8400E+00 2.3000E-02 2049000200022 4.4300E+00 9.0000E-02 2.9090E+00 3.0000E-02 2049000200023 4.5400E+00 8.0000E-02 2.9160E+00 2.7000E-02 2049000200024 4.9400E+00 8.5000E-02 3.0160E+00 3.0000E-02 2049000200025 5.0600E+00 7.0000E-02 3.0350E+00 2.4000E-02 2049000200026 5.5700E+00 7.0000E-02 3.0940E+00 3.5000E-02 2049000200027 5.9800E+00 7.5000E-02 3.2110E+00 3.9000E-02 2049000200028 6.0800E+00 6.5000E-02 3.1870E+00 3.4000E-02 2049000200029 6.9700E+00 1.7000E-01 3.3550E+00 2.5000E-02 2049000200030 7.0900E+00 6.5000E-02 3.3530E+00 3.2000E-02 2049000200031 7.4800E+00 1.6500E-01 3.3920E+00 2.2000E-02 2049000200032 7.9900E+00 1.4500E-01 3.4760E+00 2.1000E-02 2049000200033 8.4900E+00 1.3000E-01 3.5470E+00 2.2000E-02 2049000200034 9.0000E+00 1.2000E-01 3.6450E+00 2.2000E-02 2049000200035 9.4900E+00 1.1000E-01 3.6980E+00 2.4000E-02 2049000200036 9.7400E+00 1.1000E-01 3.7420E+00 2.6000E-02 2049000200037 9.9800E+00 1.0000E-01 3.8140E+00 2.0000E-02 2049000200038 1.0470E+01 9.5000E-02 3.8310E+00 2.4000E-02 2049000200039 1.0960E+01 9.0000E-02 3.9270E+00 2.2000E-02 2049000200040 1.1440E+01 8.5000E-02 4.0000E+00 2.5000E-02 2049000200041 1.1930E+01 8.0000E-02 4.0940E+00 2.4000E-02 2049000200042 1.2410E+01 8.0000E-02 4.1480E+00 2.4000E-02 2049000200043 1.2880E+01 8.0000E-02 4.2050E+00 2.6000E-02 2049000200044 1.3360E+01 7.5000E-02 4.2910E+00 2.7000E-02 2049000200045 1.3840E+01 7.5000E-02 4.3930E+00 2.5000E-02 2049000200046 1.4310E+01 7.0000E-02 4.4430E+00 2.6000E-02 2049000200047 1.4790E+01 7.0000E-02 4.4450E+00 2.5000E-02 2049000200048 ENDDATA 36 0 2049000200049 ENDSUBENT 48 0 2049000299999 SUBENT 20490003 19840120 00002049000300001 BIB 3 7 2049000300002 REACTION (94-PU-239(N,F),PR,NU) PROMPT NU BAR. 2049000300003 STATUS .DATA FROM PRIVATE COMMUNICATION OF FREHAUT. 2049000300004 HISTORY (730906C) 2049000300005 (760315E) 2049000300006 (801016A) G.C., UPDATED FOR PRIVATE COMMUNICATION 2049000300007 OF FREHAUT. 2049000300008 (801104E) 2049000300009 ENDBIB 7 0 2049000300010 NOCOMMON 0 0 2049000300011 DATA 4 34 2049000300012 EN EN-RSL DATA ERR-S 2049000300013 MEV MEV NO-DIM NO-DIM 2049000300014 1.3600E+00 1.6500E-01 3.0260E+00 1.8000E-02 2049000300015 1.3700E+00 1.5000E-01 3.1060E+00 2.1000E-02 2049000300016 2.3300E+00 1.0000E-01 3.1410E+00 2.7000E-02 2049000300017 2.4500E+00 1.2500E-01 3.1750E+00 2.2000E-02 2049000300018 2.9800E+00 1.0500E-01 3.2640E+00 1.6000E-02 2049000300019 3.5000E+00 1.0000E-01 3.3240E+00 2.2000E-02 2049000300020 3.9300E+00 7.5000E-02 3.3830E+00 2.5000E-02 2049000300021 4.0300E+00 9.0000E-02 3.4190E+00 1.7000E-02 2049000300022 4.4300E+00 9.0000E-02 3.4530E+00 2.9000E-02 2049000300023 4.5400E+00 8.0000E-02 3.5130E+00 2.2000E-02 2049000300024 4.9400E+00 8.5000E-02 3.5360E+00 2.8000E-02 2049000300025 5.0600E+00 7.0000E-02 3.5790E+00 1.7000E-02 2049000300026 5.5700E+00 7.0000E-02 3.6380E+00 2.7000E-02 2049000300027 5.9800E+00 7.5000E-02 3.6880E+00 4.2000E-02 2049000300028 6.0800E+00 6.5000E-02 3.7410E+00 2.8000E-02 2049000300029 6.9700E+00 1.7000E-01 3.8860E+00 2.2000E-02 2049000300030 7.0900E+00 6.5000E-02 3.9190E+00 2.9000E-02 2049000300031 7.4800E+00 1.6500E-01 3.9470E+00 1.8000E-02 2049000300032 7.9900E+00 1.4500E-01 4.0380E+00 1.8000E-02 2049000300033 8.4900E+00 1.3000E-01 4.1240E+00 2.0000E-02 2049000300034 9.0000E+00 1.2000E-01 4.1970E+00 2.0000E-02 2049000300035 9.4900E+00 1.1000E-01 4.2710E+00 2.3000E-02 2049000300036 9.7400E+00 1.1000E-01 4.2810E+00 2.1000E-02 2049000300037 9.9800E+00 1.0000E-01 4.3680E+00 1.6000E-02 2049000300038 1.0470E+01 9.5000E-02 4.4090E+00 2.2000E-02 2049000300039 1.0960E+01 9.0000E-02 4.4880E+00 2.1000E-02 2049000300040 1.1440E+01 8.5000E-02 4.5660E+00 2.3000E-02 2049000300041 1.1930E+01 8.0000E-02 4.6290E+00 2.3000E-02 2049000300042 1.2410E+01 8.0000E-02 4.6430E+00 2.4000E-02 2049000300043 1.2880E+01 8.0000E-02 4.7500E+00 2.5000E-02 2049000300044 1.3360E+01 7.5000E-02 4.8040E+00 2.6000E-02 2049000300045 1.3840E+01 7.5000E-02 4.8840E+00 2.5000E-02 2049000300046 1.4310E+01 7.0000E-02 4.9420E+00 2.9000E-02 2049000300047 1.4790E+01 7.0000E-02 4.9930E+00 2.7000E-02 2049000300048 ENDDATA 36 0 2049000300049 ENDSUBENT 48 0 2049000399999 ENDENTRY 3 0 2049099999999