ENTRY 21534 19810205 00002153400000001 SUBENT 21534001 19810205 00002153400100001 BIB 14 41 2153400100002 INSTITUTE (2BLGGHT) 2153400100003 REFERENCE (J,JIN,41,445,79) 2153400100004 AUTHOR (A.BRUGGEMAN,W.MAENHAUT,J.HOSTE) 2153400100005 TITLE -AVERAGE CROSS SECTIONS FOR (N,P) AND (N,A) 2153400100006 REACTIONS ON F-19 AND NA-23 IN A FISSION NEUTRON 2153400100007 SPECTRUM.- 2153400100008 FACILITY (REAC,2BLGGHT) REACTOR THETIS OF GENT STATE 2153400100009 UNIVERSITY, OPERATED AT 250 KW. 2153400100010 INC-SOURCE (REAC ) REACTOR NEUTRONS. 2153400100011 SAMPLE .0.5 MM THICK ANALYTICAL GRADE NI-FOIL OF CARLO 2153400100012 ERBA AND SODIUM FREE AL-WIRE (FROM BHD, ANALAR, 2153400100013 ANALYTICAL REAGENT) FOR FLUX CONTROL. 0.1 G 2153400100014 SAMPLES OF SODIUM CARBONATE (FROM UCB, ANHYDROUS, 2153400100015 REAGENT GRADE). CA-F(2) FROM UCB, REAGENT GRADE, 2153400100016 SAMPLES OF 20 AND 10 MG. ALL SAMPLES PACKED IN 2153400100017 FLAT HEAT-SEALED POLYETHYLENE BOXES. THE SODIUM 2153400100018 CARBONATE SAMPLES ARE ENCLOSED IN CD-BOXES, 0.76 2153400100019 MM THICK. 2153400100020 METHOD (ACTIV) ACTIVATION ANALYSIS. USE IS MADE OF A RABBIT 2153400100021 SYSTEM WITH A TRANSMISSION TIME OF 2.0 SEC. 2153400100022 DETECTOR (GELI ) CALIBRATED GE-LI DETECTOR, DESCRIBED IN JOURN. 2153400100023 OF RADIOANAL. CH.,23,131(1974). 2153400100024 (NAICR) NA-I-(TL) CRYSTAL, 7.6 CM * 7.6 CM, OF 2153400100025 COMPANY QUARTZ ET SILICE FOR THE MEASUREMENTS OF 2153400100026 THE N-16 ACTIVITY. ALL DETECTORS WERE COUPLED TO 2153400100027 AN INTERTECHNIQUE DIDAC 4000 CHANNELS MEMORY. 2153400100028 MONITOR (13-AL-27(N,A)11-NA-24,,SIG,,FIS) 2153400100029 STATUS .DATA TAKEN FROM REFERENCE. 2153400100030 HISTORY (800424C) G.C. 2153400100031 (800603E) 2153400100032 CORRECTION .PRESENCE OF A DOUBLE ESCAPE PEAK AT 7.11 MEV 2153400100033 IN N-16 DECAY. AL-ABSORBER BETWEEN SAMPLE AND 2153400100034 DETECTOR IN N-16 MEASUREMENTS. 2153400100035 ERR-ANALYS .ERROR GIVEN IS CALCULTED FROM THE DISTRIBUTION OF 2153400100036 THE INDIVIDUAL RESULTS. 2* SIGMA IS GIVEN. IT 2153400100037 DOES NOT INCLUDE SYSTEMATIC ERRORS FROM THE 2153400100038 NUCLEAR DATA USED (HALF-LIVES, PHOTOPEAK 2153400100039 INTENSITIES, MONITOR CROSS-SECTION) AND ALSO 2153400100040 NOT THE ERROR ON THE DETECTION EFFICIENCY (3 PER- 2153400100041 CENT AT MOST FOR GE-LI), 2 PER-CENT AT MOST FOR 2153400100042 NA-I. 2153400100043 ENDBIB 41 0 2153400100044 COMMON 2 3 2153400100045 EN-DUMMY MONIT 2153400100046 MEV MB 2153400100047 2.0000E+00 7.0500E-01 2153400100048 ENDCOMMON 3 0 2153400100049 ENDSUBENT 48 0 2153400199999 SUBENT 21534002 19810205 00002153400200001 BIB 7 8 2153400200002 REACTION (9-F-19(N,P)8-O-19,,SIG,,FIS) 2153400200003 INC-SPECT .FISSION NEUTRON SPECTRUM. 2153400200004 DECAY-DATA (8-O-19,26.9SEC,DG,197.4,0.97,DG,1356.,0.59) 2153400200005 DECAY-MON (11-NA-24,15.02HR,DG,1368.53,0.9999,B,2753.92,0.9990) 2153400200006 COMMENT .AVERAGE OF 25 INDEPENDENT DETERMINATIONS. 2153400200007 STATUS .DATA TAKEN FROM TABLE 2 OF PUBLICATION. 2153400200008 HISTORY (800424C) G.C. 2153400200009 (800603E) 2153400200010 ENDBIB 8 0 2153400200011 NOCOMMON 0 0 2153400200012 DATA 2 1 2153400200013 DATA DATA-ERR 2153400200014 MB MB 2153400200015 8.3000E-01 2.0000E-02 2153400200016 ENDDATA 3 0 2153400200017 ENDSUBENT 16 0 2153400299999 SUBENT 21534003 19810205 00002153400300001 BIB 7 8 2153400300002 REACTION (9-F-19(N,A)7-N-16,,SIG,,FIS) 2153400300003 INC-SPECT .FISSION NEUTRONS FROM REACTOR. 2153400300004 DECAY-DATA (7-N-16,7.11SEC,DG,6134.,0.69,DG,7112.,0.05) 2153400300005 DECAY-MON (11-NA-24,15.02HR,DG,1368.53,0.9999,B,2753.92,0.9990) 2153400300006 COMMENT .AVERAGE VALUE FROM 12 INDEPENDENT MEASUREMENTS. 2153400300007 STATUS .DATA TAKEN FROM TABLE 2 OF PUBLICATION. 2153400300008 HISTORY (800428C) G.C. 2153400300009 (800603E) 2153400300010 ENDBIB 8 0 2153400300011 NOCOMMON 0 0 2153400300012 DATA 2 1 2153400300013 DATA DATA-ERR 2153400300014 MB MB 2153400300015 1.5100E+01 2.0000E-01 2153400300016 ENDDATA 3 0 2153400300017 ENDSUBENT 16 0 2153400399999 SUBENT 21534004 19810205 00002153400400001 BIB 7 8 2153400400002 REACTION (11-NA-23(N,P)10-NE-23,,SIG,,FIS) 2153400400003 INC-SPECT .FISSION NEUTRONS FROM REACTOR. 2153400400004 DECAY-DATA (10-NE-23,37.6SEC,DG,440.,0.33,DG,1639.,0.0095) 2153400400005 DECAY-MON (11-NA-24,15.02HR,DG,1368.53,0.9999,B,2753.92,0.9990) 2153400400006 COMMENT .AVERAGE FROM 20 INDEPENDENT MEASUREMENTS. 2153400400007 STATUS .DATA FROM TABLE 2 OF PUBLICATION. 2153400400008 HISTORY (800428C) G.C. 2153400400009 (800603E) 2153400400010 ENDBIB 8 0 2153400400011 NOCOMMON 0 0 2153400400012 DATA 2 1 2153400400013 DATA DATA-ERR 2153400400014 MB MB 2153400400015 1.4300E+00 2.0000E-02 2153400400016 ENDDATA 3 0 2153400400017 ENDSUBENT 16 0 2153400499999 SUBENT 21534005 19810205 00002153400500001 BIB 7 8 2153400500002 REACTION (11-NA-23(N,A)9-F-20,,SIG,,FIS) 2153400500003 INC-SPECT .FISSION NEUTRONS FROM REACTOR. 2153400500004 DECAY-DATA (9-F-20,11.1SEC,DG,1663.1,1.0) 2153400500005 DECAY-MON (11-NA-24,15.02HR,DG,1368.53,0.9999,B,2753.92,0.9990) 2153400500006 COMMENT .AVERAGE OF 20 INDEPENDENT MEASUREMENTS. 2153400500007 STATUS .DATA TAKEN FROM TABLE 2 OF REFERENCE. 2153400500008 HISTORY (800428C) G.C. 2153400500009 (800603E) 2153400500010 ENDBIB 8 0 2153400500011 NOCOMMON 0 0 2153400500012 DATA 2 1 2153400500013 DATA DATA-ERR 2153400500014 MB MB 2153400500015 5.3000E-01 2.0000E-02 2153400500016 ENDDATA 3 0 2153400500017 ENDSUBENT 16 0 2153400599999 ENDENTRY 5 0 2153499999999