ENTRY 21873 19840206 00002187300000001 SUBENT 21873001 19840206 00002187300100001 BIB 14 46 2187300100002 INSTITUTE (2ZZZGEL) C.B.N.M. 2187300100003 REFERENCE (C,82ANTWER,,159,8309) MAIN REFERENCE 2187300100004 (P,INDC(EUR)-17,22,8302) 2187300100005 (P,INDC(EUR)-15,20,8203) 2187300100006 AUTHOR (E.WATTECAMPS, H.LISKIEN, F.ARNOTTE) 2187300100007 TITLE -.MEASUREMENT OF (N,A) CROSS-SECTIONS FOR 2187300100008 CR, FE AND NI AT 14 MEV NEUTRON ENERGY. 2187300100009 FACILITY (VDG,2ZZZGEL) 7 MV VAN DE GRAAFF ACCELERATOR 2187300100010 INC-SOURCE (D-T ) SOLID TI-T TARGET OF 3 MG/CM**2 TI ON 2187300100011 CU-BACKING, TILTED BY 45 DEGREES RELATIVE TO THE 2187300100012 DEUTERON BEAM. 20 MICRO-AMPERE CURRENT OF 2187300100013 1 MEV DEUTERONS. 2187300100014 SAMPLE .A POLYETHYLENE FOIL FOR N-P SCATTERING RATE 2187300100015 MEASUREMENTS 2187300100016 .A TA SAMPLE FOR BACKGROUND 2187300100017 .A AM-241 SOURCE FOR PULSE-HEIGHT AND SOLID ANGLE 2187300100018 CALIBRATION 2187300100019 METHOD (EDE ) 2187300100020 .DIRECT ALPHA-PARTICLE DETECTION AT FIVE ANGLES. 2187300100021 (14,51,79,109, AND 141 DEGREES) 2187300100022 (BCINT) THE BEAM CHARGE INTEGRATOR SERVED AS NEUTRON 2187300100023 MONITOR LINKING THE DIFFERENT (N,A) RUNS WITH THE 2187300100024 H(N,P) MEASUREMENTS 2187300100025 DETECTOR (TELES,PROPC,SOLST) 2187300100026 .FIVE TELESCOPES, EACH MADE OF TWO PROPORTIONAL 2187300100027 COUNTERS IN FRONT OF A SURFACE BARRIER DETECTOR. 2187300100028 USED IN TRIPLE COINCIDENCE MODE. 2187300100029 .DETAILS ARE GIVEN IN NUCL.SCI.ENG.,78,377,1981 2187300100030 ANALYSIS (INTED,INTAD) 2187300100031 MONITOR (1-H-1(N,EL)1-H-1,,DA) RUNS WITH POLYETHYLENE FOIL 2187300100032 STATUS .MAIN REFERENCE 2187300100033 HISTORY (830826C) BN. 2187300100034 (831004E) 2187300100035 ERR-ANALYS (ERR-T) TOTAL ERROR 2187300100036 (ERR-S) STATISTICAL ERROR 2187300100037 .AS CORRELATED UNCERTAINTIES WERE CONSIDERED 2187300100038 (GIVEN IN PER-CENT) 2187300100039 -GEOMETRIC EFFECTS ( 1.3 ) 2187300100040 -MONITOR CROSS SECTION ( 1.0 ) 2187300100041 (WITH 100 PER CENT CORRELATION) 2187300100042 -NUMBER OF H-ATOMS ( 0.4 ) 2187300100043 (WITH 100 PER CENT CORRELATION) 2187300100044 -NUMBER OF H-RECOIL COUNTS ( 1.0 ) 2187300100045 -FLUENCE MONITOR IN N-P RUN ( 0.6 ) 2187300100046 -FLUENCE MONITOR IN (N,A) RUN ( 0.1 ) 2187300100047 -BACKGROUND ( 0. ) 2187300100048 ENDBIB 46 0 2187300100049 COMMON 1 3 2187300100050 EN 2187300100051 MEV 2187300100052 1.4100E+01 2187300100053 ENDCOMMON 3 0 2187300100054 ENDSUBENT 53 0 2187300199999 SUBENT 21873002 19831004 00002187300200001 BIB 5 9 2187300200002 REACTION (24-CR-0(N,A),,SIG) 2187300200003 .THE MEASURED VALUE AGREES WITH THE RECOMMENDED VALUE 2187300200004 IN KEDAK-3, AND IS LOWER THAN ENDF/B-V. 2187300200005 SAMPLE .METALLIC CR FOIL, NATURAL ISOTOPIC COMPOSITION, 2187300200006 25 CM DIAMETER, 2.65 MILLI-GR**2 THICKNESS 2187300200007 STATUS .MAIN REFERENCE 2187300200008 HISTORY (830826C) 2187300200009 (831004E) 2187300200010 ERR-ANALYS .UNCERTAINTY OF SAMPLE THICKNESS WAS 0.5 PER-CENT 2187300200011 ENDBIB 9 0 2187300200012 NOCOMMON 0 0 2187300200013 DATA 3 1 2187300200014 DATA ERR-T ERR-S 2187300200015 MB MB PER-CENT 2187300200016 4.6000E+01 9.0000E+00 1.8000E+01 2187300200017 ENDDATA 3 0 2187300200018 ENDSUBENT 17 0 2187300299999 SUBENT 21873003 19831004 00002187300300001 BIB 5 9 2187300300002 REACTION (26-FE-0(N,A),,SIG) 2187300300003 .THE MEASURED VALUE AGREES WITH THE RECOMMENDED 2187300300004 VALUE IN ENDF/B-V, AND IS LOWER THAN KEDAK-3. 2187300300005 SAMPLE .METALLIC FE FOIL, NATURAL ISOTOPIC COMPOSITION, 2187300300006 25 CM DIAMETER, 2.84 MIILI-GR**2 THICKNESS 2187300300007 STATUS .MAIN REFERENCE 2187300300008 HISTORY (830826C) 2187300300009 (831004E) 2187300300010 ERR-ANALYS .UNCERTAINTY OF SAMPLE THICKNESS WAS 0.7 PER-CENT 2187300300011 ENDBIB 9 0 2187300300012 NOCOMMON 0 0 2187300300013 DATA 3 1 2187300300014 DATA ERR-T ERR-S 2187300300015 MB MB PER-CENT 2187300300016 4.5000E+01 9.0000E+00 1.9000E+01 2187300300017 ENDDATA 3 0 2187300300018 ENDSUBENT 17 0 2187300399999 SUBENT 21873004 19831004 00002187300400001 BIB 5 9 2187300400002 REACTION (28-NI-0(N,A),,SIG) 2187300400003 .THE MEASURED VALUE AGREES WITH THE RECOMMENDED 2187300400004 VALUE IN KEDAK-3, AND IS LOWER THAN ENDF/B-V. 2187300400005 SAMPLE .METALLIC NI-FOIL, NATURAL ISOTOPIC COMPOSITION, 2187300400006 25 CM DIAMETER, 3.13 MILLI-GR**2 THICKNESS 2187300400007 STATUS .MAIN REFERENCE 2187300400008 HISTORY (830826C) 2187300400009 (831004E) 2187300400010 ERR-ANALYS .UNCERTAINTY OF SAMPLE THICKNESS WAS 1.0 PER-CENT 2187300400011 ENDBIB 9 0 2187300400012 NOCOMMON 0 0 2187300400013 DATA 3 1 2187300400014 DATA ERR-T ERR-S 2187300400015 MB MB PER-CENT 2187300400016 9.5000E+01 9.0000E+00 1.0000E+01 2187300400017 ENDDATA 3 0 2187300400018 ENDSUBENT 17 0 2187300499999 ENDENTRY 4 0 2187399999999