ENTRY 12643 19790313 00001264300000001 SUBENT 12643001 19790313 00001264300100001 BIB 12 23 1264300100002 INSTITUTE (1USACAR) 1264300100003 REFERENCE (J,PR,83,495,5108) 1264300100004 AUTHOR (E.M.BALDWIN) 1264300100005 TITLE NEUTRON-PROTON SCATTERING IN THE ENERGY RANGE OF 18 TO 1264300100006 21 MEV 1264300100007 FACILITY (CYCLO,1USAPUP) 1264300100008 N-SOURCE (A-BE) 1264300100009 SAMPLE POLYETHYLENE FOILS 1264300100010 MONITOR (90-TH-232(N,F),,SIG) 1264300100011 DETECTOR (TELES,PROPC) FOUR CYLINDRICAL PROPORTIONAL COUNTERS 1264300100012 WITH LEAD SLEEVES TO REDUCE PROTONS FROM BRASS WALLS. 1264300100013 (THRES) SILVER THRESHOLD DETECTORS TO MEASURE ANGULAR 1264300100014 DISTRIBUTION OF NEUTRON BEAM. 1264300100015 METHOD COUNTER SYSTEM FILLED WITH MIXTURE OF ARGON AND 1264300100016 3-PERCENT CO(2) AT 20-CM HG PRESSURE. POLONIUM ALPHA 1264300100017 SOURCE USED TO CALIBRATE GAS FILLING AND ELECTRONICS. 1264300100018 2-FT THICK BY 4-FT WIDE CEMENT SHIELD USED TO PROTECT 1264300100019 COUNTER TELESCOPE FROM DIRECT NEUTRON BEAM. LEAD FOIL 1264300100020 1/16-INCH THICK REMOVES PROTONS PRODUCED IN SHIELD. 1264300100021 TARGET THICKNESSES CHOSEN SO THAT EACH ANGLE CHOOSES 1264300100022 IDENTICAL SEGMENTS OF NEUTRON SPECTRUM 1264300100023 ERR-ANALYS ERROR IN LOCATION OF TELESCOPE LESS THAN 0.25-DEGREE. 1264300100024 HISTORY (790220C) 1264300100025 ENDBIB 23 0 1264300100026 NOCOMMON 0 0 1264300100027 ENDSUBENT 26 0 1264300199999 SUBENT 12643002 19790313 00001264300200001 BIB 2 3 1264300200002 REACTION (1-H-1(N,EL)1-H-1,,DA,,REL) RATIO OF 15-DEG CROSS 1264300200003 SECTION TO 44-DEG 24-MIN CROSS SECTION. 1264300200004 SAMPLE SAMPLES OF 0.01527 AND 0.05327 G/CM-SQ USED 1264300200005 ENDBIB 3 0 1264300200006 COMMON 3 3 1264300200007 ANG1 ANG2 ANG2 1264300200008 ADEG ADEG AMIN 1264300200009 15. 44. 24. 1264300200010 ENDCOMMON 3 0 1264300200011 DATA 4 1 1264300200012 EN-MIN EN-MAX DATA-CM DATA-ERR 1264300200013 MEV MEV NO-DIM NO-DIM 1264300200014 18. 21. 1.06 0.16 1264300200015 ENDDATA 3 0 1264300200016 ENDSUBENT 15 0 1264300299999 ENDENTRY 2 0 1264399999999