ENTRY 20705 19840127 00002070500000001 SUBENT 20705001 19840127 00002070500100001 BIB 16 35 2070500100002 INSTITUTE (2UK HAR) NUCLEAR PHYSICS DIVISION. 2070500100003 REFERENCE (R,AERE-R-7919,1,7502) 2070500100004 (P,UKNDC-P-71,33,7506) 2070500100005 AUTHOR (G.D.JAMES,D.B.SYME,P.H.BOWEN,P.E.DOLLEY,I.L.WATKINS, 2070500100006 M.KING) 2070500100007 TITLE -PRECISE ENERGY DETERMINATION FOR THREE PEAK CROSS 2070500100008 SECTIONS IN 23-NA AND 27-AL AND FOR THE 250 KEV 2070500100009 RESONANCE IN 6-LI- 2070500100010 FACILITY (SYNCY) 140MEV PROTONS. 2070500100011 INC-SOURCE (EVAP ) FAST NEUTRONS WERE PRODUCED BY BOMBARDING A 2070500100012 TUNGSTEN TARGET WITH THE PROTON BEAM.THESE NEUTRONS 2070500100013 WERE THEN MODERATED IN A WATER MODERATOR BEFORE 2070500100014 TRAVERSING THE FLIGHT PATH. 2070500100015 SAMPLE .THIN SAMPLE OF 95.67PC LI-6 AND 4.33PC OF LI-7. 2070500100016 METHOD (TOF ) FLIGHT PATH APPROXIMATELY 100.0M.FOR A 2070500100017 DETAILED ASSESSMENT FOR THE DIFFICULTY IN OBTAINING 2070500100018 THE PATH SEE AERE-R 7919. 2070500100019 DETECTOR (GLASD) LI-6 GLASS DETECTOR FOR THE FIRST HALF OF THE 2070500100020 RUN. 2070500100021 (SCIN ) NE110 PLASTIC SCINTILLATOR FOR THE REMAINING 2070500100022 PART. 2070500100023 PART-DET (N ) 2070500100024 ANALYSIS (SHAPE) LEAST SQUARES FIT. 2070500100025 MONITOR .TRANSMISSION WITH TWO LONG RUNS EACH OF 8HRS WITH 2070500100026 SAMPLE IN AND SAMPLE OUT FOR LI. 2070500100027 CORRECTION .IN THE CASE OF LI-6 THE EFFECT OF THE LI-7 RESONANCE 2070500100028 WAS SUBTRACTED. 2070500100029 ERR-ANALYS .MAIN SOURCES OF ERRORS WERE IN THE EXACT 2070500100030 DETERMINATION OF THE FLIGHT PATH AND OF THE NEUTRON 2070500100031 TIME-OF-FLIGHT. 2070500100032 .FOR THE AL-27 RESONANCE AT 257.16KEV ADDITIONAL 2070500100033 UNCERTAINTIES ARISE FROM POOR STATISTICS. 2070500100034 STATUS .DATA TAKEN FROM AERE-R-7919. 2070500100035 HISTORY (770916C) 2070500100036 (771114E) 2070500100037 ENDBIB 35 0 2070500100038 NOCOMMON 0 0 2070500100039 ENDSUBENT 38 0 2070500199999 SUBENT 20705002 19840127 00002070500200001 BIB 1 1 2070500200002 REACTION (3-LI-6(N,0),,EN) 2070500200003 ENDBIB 1 0 2070500200004 NOCOMMON 0 0 2070500200005 DATA 2 1 2070500200006 DATA DATA-ERR 2070500200007 KEV KEV 2070500200008 2.4271E+02 3.3000E-01 2070500200009 ENDDATA 3 0 2070500200010 ENDSUBENT 9 0 2070500299999 SUBENT 20705003 19840127 00002070500300001 BIB 1 1 2070500300002 REACTION (11-NA-23(N,0),,EN) 2070500300003 ENDBIB 1 0 2070500300004 NOCOMMON 0 0 2070500300005 DATA 2 1 2070500300006 DATA DATA-ERR 2070500300007 KEV KEV 2070500300008 2.9919E+02 1.2000E-01 2070500300009 ENDDATA 3 0 2070500300010 ENDSUBENT 9 0 2070500399999 SUBENT 20705004 19840127 00002070500400001 BIB 1 1 2070500400002 REACTION (13-AL-27(N,0),,EN) 2070500400003 ENDBIB 1 0 2070500400004 NOCOMMON 0 0 2070500400005 DATA 2 2 2070500400006 DATA DATA-ERR 2070500400007 KEV KEV 2070500400008 1.1975E+02 4.2000E-02 2070500400009 2.5716E+02 1.3000E-01 2070500400010 ENDDATA 4 0 2070500400011 ENDSUBENT 10 0 2070500499999 ENDENTRY 4 0 2070599999999