ENTRY 12644 19790313 00001264400000001 SUBENT 12644001 19790313 00001264400100001 BIB 12 28 1264400100002 INSTITUTE (1USAMIN) 1264400100003 REFERENCE (J,PR,80,853,5012) 1264400100004 AUTHOR (E.E.LAMPI,G.D.FREIER,J.H.WILLIAMS) 1264400100005 TITLE THE TOTAL SCATTERING CROSS SECTION OF NEUTRONS BY 1264400100006 HYDROGEN AND CARBON 1264400100007 FACILITY (VDG) 1264400100008 N-SOURCE (P-LI7) PROTONS ON LI-7 FOR 0.798-1.578 MEV NEUTRONS 1264400100009 (D-D) DEUTERONS ON DEUTERIUM GAS FOR 5-MEV NEUTRONS 1264400100010 DETECTOR (IOCH) IONIZATION CHAMBER WITH PARAFFIN PROTON RECOIL 1264400100011 RADIATOR. CHAMBER 5-CM DIAMETER BY 9-CM LONG FILLED 1264400100012 WITH 97-PERCENT ARGON, 3-PERCENT METHANE AT 1-ATM. 1264400100013 (PROPC) PARAFFIN COVERED BORON TRIFLUORIDE PROPORTIONAL1264400100014 COUNTER FOR NEUTRONS. 1264400100015 METHOD RUNS INCLUDED MEASUREMENTS ON 3 POLYTHENE DISKS, TWO 1264400100016 GRAPHITE DISKS, BACKGROUND, AND NO SCATTERER. CROSS 1264400100017 SECTIONS CALCULATED FOR ALL SCATTERERS AND EXTRAPOLA- 1264400100018 TED TO ZERO AREA. 1264400100019 CORRECTION CORRECTIONS MADE FOR- 1264400100020 -GEOMETRY 1264400100021 -NEUTRONS EMMITED BY APPARATUS DURING DEUTERON- 1264400100022 DEUTERIUM REACTION, APPROX 9-PERCENT 1264400100023 -LITHIUM TARGET THICKNESS CHANGES, LESS THAN 1264400100024 0.5-PERCENT 1264400100025 -LOW ENERGY NEUTRONS, APPROX 1-PERCENT 1264400100026 ANALYSIS AVERAGE OF SEVERAL MEASUREMENTS AT SAME NEUTRON ENERGY 1264400100027 ERR-ANALYS ERRORS DUE TO UNCERTAINTIES IN BACKGROUND COUNTS AND 1264400100028 LOW ENERGY NEUTRON CORRECTIONS. 1264400100029 HISTORY (790220C) 1264400100030 ENDBIB 28 0 1264400100031 NOCOMMON 0 0 1264400100032 ENDSUBENT 31 0 1264400199999 SUBENT 12644002 19790313 00001264400200001 BIB 2 2 1264400200002 REACTION (6-C-0(N,TOT),,SIG) 1264400200003 SAMPLE GRAPHITE DISKS 1264400200004 ENDBIB 2 0 1264400200005 NOCOMMON 0 0 1264400200006 DATA 4 6 1264400200007 EN EN-RSL DATA DATA-ERR 1264400200008 MEV MEV B B 1264400200009 0.798 0.008 2.82 0.07 1264400200010 1.078 0.010 2.55 0.05 1264400200011 1.340 0.011 2.26 0.04 1264400200012 1.578 0.013 1.99 0.04 1264400200013 4.92 0.14 1.36 0.04 1264400200014 4.97 0.14 1.34 0.03 1264400200015 ENDDATA 8 0 1264400200016 ENDSUBENT 15 0 1264400299999 SUBENT 12644003 19790313 00001264400300001 BIB 3 4 1264400300002 REACTION (1-H-1(N,TOT),,SIG) 1264400300003 SAMPLE POLYTHENE DISKS 1264400300004 STATUS (DEP,12644002) CARBON DATA USED TO EXTRACT HYDROGEN 1264400300005 CROSS SECTIONS FROM POLYTHENE DATA 1264400300006 ENDBIB 4 0 1264400300007 NOCOMMON 0 0 1264400300008 DATA 4 6 1264400300009 EN EN-RSL DATA DATA-ERR 1264400300010 MEV MEV B B 1264400300011 0.798 0.008 4.79 0.11 1264400300012 1.078 0.010 4.09 0.08 1264400300013 1.340 0.011 3.66 0.06 1264400300014 1.578 0.013 3.32 0.07 1264400300015 4.92 0.14 1.64 0.04 1264400300016 4.97 0.14 1.56 0.04 1264400300017 ENDDATA 8 0 1264400300018 ENDSUBENT 17 0 1264400399999 ENDENTRY 3 0 1264499999999