ENTRY 21431 19801107 00002143100000001 SUBENT 21431001 19801107 00002143100100001 BIB 13 27 2143100100002 INSTITUTE (2UK HAR) 2143100100003 REFERENCE (J,RSI,26,1037,5511) 2143100100004 (J,NAT,175,1027,5506) NO DATA GIVEN. 2143100100005 (J,NAT,175,1029,5506) REVIEWED. 2143100100006 AUTHOR (R.BATCHELOR,R.AVES,T.H.R.SKYRME) 2143100100007 TITLE -HELIUM FILLED PROPORTIONAL COUNTER FOR NEUTRON 2143100100008 SPECTROSCOPY -. 2143100100009 FACILITY (VDG ) VAN DER GRAAFF. 2143100100010 INC-SOURCE (P-LI7) PROTON BEAM ON LITHIUM-7 TARGET. 2143100100011 SAMPLE .HELIUM-3 GAS IN PROPORTIONAL COUNTER. 2143100100012 METHOD (ASSOP) DETECTION OF PROTONS. 2143100100013 DETECTOR (PROPC) PROPORTIONAL COUNTER FILLED WITH HELIUM-3, 2143100100014 KRYPTON AND CARBON DIOXIDE. 2143100100015 (LONGC) LONG COUNTER FOR FLUX NORMALISATION. 2143100100016 STATUS (NDD ) CORRESPONDS TO FIG 11. 2143100100017 HISTORY (800312T) 2143100100018 (800318E) 2143100100019 CORRECTION .CORRECTED FOR WALL EFFECT USING THEORETICAL AND 2143100100020 EXPERIMENTAL ESTIMATES, NEUTRON SCATTERING INTO 2143100100021 THE SENSITIVE VOLUME OF THE COUNTER ( 19 PERCENT 2143100100022 AT 120 KEV AND 5 PERCENT ABOVE 300 KEV ), 2143100100023 INVALIDITY OF THE 1/V LAW, AND NEUTRON SCATTERING 2143100100024 IN THE LONG COUNTER. 2143100100025 ERR-ANALYS .MAIN SOURCE OF UNCERTAINTY ARE IN NEUTRON FLUX (5 PC) 2143100100026 THE PRESSURE OF HELIUM-3 (3 PC), AND THE WALL EFFECT 2143100100027 (6 PC). TOTAL ERROR IS GIVEN AT ONE STANDARD 2143100100028 DEVIATION. 2143100100029 ENDBIB 27 0 2143100100030 NOCOMMON 0 0 2143100100031 ENDSUBENT 30 0 2143100199999 SUBENT 21431002 19800318 00002143100200001 BIB 2 2 2143100200002 REACTION (2-HE-3(N,P)1-H-3,,SIG) CROSS SECTION. 2143100200003 STATUS (NDD ) CORRESPONDS TO FIG 11. 2143100200004 ENDBIB 2 0 2143100200005 NOCOMMON 0 0 2143100200006 DATA 3 10 2143100200007 EN DATA DATA-ERR 2143100200008 MEV B PER-CENT 2143100200009 1.2000E-01 1.5200E+00 5.0000E+00 2143100200010 2.0000E-01 1.1500E+00 7.0000E+00 2143100200011 3.3000E-01 9.1000E-01 9.0000E+00 2143100200012 4.0000E-01 8.7000E-01 9.0000E+00 2143100200013 5.0000E-01 8.6000E-01 9.0000E+00 2143100200014 6.0000E-01 7.9000E-01 1.0000E+01 2143100200015 6.7000E-01 7.6000E-01 1.1000E+01 2143100200016 8.0000E-01 7.3000E-01 1.1000E+01 2143100200017 1.0000E+00 8.7000E-01 9.0000E+00 2143100200018 1.2000E+00 7.9000E-01 1.0000E+01 2143100200019 ENDDATA 12 0 2143100200020 ENDSUBENT 19 0 2143100299999 ENDENTRY 2 0 2143199999999