ENTRY 20597 19840126 00002059700000001 SUBENT 20597001 19840126 00002059700100001 BIB 16 36 2059700100002 INSTITUTE (2GERMUN) 2059700100003 REFERENCE (J,PR/C,11,103,7501) FINAL PUBLICATION. 2059700100004 (J,ZN/A,26,442,7103) CARBON X-SECTION. 2059700100005 (J,PL/B,36,208,7109) OXYGEN X-SECTION. 2059700100006 (P,NEANDC(E)-161,,7408) PROGRESS REPORT. 2059700100007 AUTHOR (W.DILG) 2059700100008 TITLE -MEASUREMENT OF THE NEUTRON-PROTON TOTAL CROSS 2059700100009 SECTION AT 132 EV-. 2059700100010 FACILITY .FRM RESEARCH REACTOR, MUNICH. 2059700100011 INC-SOURCE (REAC ) 2059700100012 INC-SPECT .MONOENERGETIC NEUTRON BEAM AT 132 EV FROM RESONANCE 2059700100013 SCATTERING ON COBALT. NEUTRON ENERGY SPREAD ABOUT 2059700100014 5.6 EV. 2059700100015 SAMPLE .LIQUIDS IN STAINLESS STEEL CYLINDERS WITH QUARTZ 2059700100016 WINDOWS. REACTOR GRADE WATER (RESISTIVITY = 2M-0HMS 2059700100017 CM), BENZENE (99.9 PERCENT WITH 0.011 PERCENT WATER, 2059700100018 METHANOL (99.8 PERCENT, 0.1 PERCENT WATER, TOLUENE 2059700100019 OF PURITY 99.7 PERCENT, 0.02 PERCENT WATER. 2059700100020 METHOD .TRANSMISSION. 2059700100021 DETECTOR .RESONANCE ACTIVATION OF FOIL. 2059700100022 MONITOR .ABSOLUTE. 2059700100023 COMMENT .NEUTRON PROTON X-SECTIONS WERE DERIVED FROM TOTAL 2059700100024 X-SECTION MEASUREMENTS ON EACH LIQUID BY SUBTRACTION 2059700100025 OF THE CARBON AND OXYGEN TOTAL X-SECTIONS, USING 2059700100026 THE ADOPTED VALUES SIGMA(C) = 4.746+-0.005 B AND 2059700100027 SIGMA(O) = 3.761+-0.007 B. PRINCIPAL SOURCES ARE 2059700100028 ZN/A,26,442,7103 FOR C, AND PL/B,36,208,7109 FOR O. 2059700100029 STATUS .NUMERICAL VALUES PUBLISHED IN TEXT. 2059700100030 HISTORY (760618C) 2059700100031 (761217E) 2059700100032 CORRECTION .TOTAL X-SECTIONS CORRECTED FOR DEAD TIME LOSSES, 2059700100033 AIR SCATTERING WITHOUT SAMPLE, INSCATTERING. 2059700100034 ERR-ANALYS .STANDARD DEVIATION OF COUNTING STATISTICS AND 2059700100035 SYSTEMATIC ERRORS FOR SAMPLE PURITY,DENSITY, 2059700100036 TEMPERATURE AND LENGTH, AND CORRECTION ERRORS 2059700100037 FOR DEAD TIME AND INSCATTERING. 2059700100038 ENDBIB 36 0 2059700100039 NOCOMMON 0 0 2059700100040 ENDSUBENT 39 0 2059700199999 SUBENT 20597002 19840126 00002059700200001 BIB 6 21 2059700200002 REACTION (1-H-1(N,THS)1-H-1,FA,SIG) 2059700200003 ZERO ENERGY. 2059700200004 COMMENT .FREE SCATTERING X-SECTION FOR ZERO NEUTRON ENERGY 2059700200005 DERIVE FROM TOTAL X-SECTIONS AT 132EV. THE QUOTED 2059700200006 VALUE FROM THE PREVIOUS MOST ACCURATE VALUE FROM 2059700200007 HOUK PR/C,3,1836,71 OF 20.436+-0.023B. THE 2059700200008 DIFFERENCE MAY BE ATTRIBUTED TO A SYSTEMATIC SHIFT 2059700200009 IN HOUK S DATA ABOVE 50 EV FROM FAST NEUTRON 2059700200010 BACKGROUND OR RESOLUTION AFFECTING THE FIRST 2059700200011 TIMMING CHANNELS. 2059700200012 NEW VALUES FOR N-P SINGLET AND TRIPLET SCATTERING 2059700200013 LENGTHS AND EFFECTIVE RANGES ARE GIVEN. 2059700200014 STATUS (DEP ) DEPENDENT ON TOTAL X-SECTIONS OF COMPOUNDS 2059700200015 AND CARBON AND OXYGEN. VALUE IN TEXT. 2059700200016 HISTORY (760618C) 2059700200017 (761217E) 2059700200018 CORRECTION .CORRECTED FOR CAPTURE, EFFECTIVE RANGE, MOLECULAR 2059700200019 BINDING AND DEUTERIUM CONCENTRATION. 2059700200020 ERR-ANALYS .ERROR INCLUDES STATISTICAL AND SYSTEMATIC 2059700200021 EXPERIMENTAL ERRORS, OXYGEN AND CARBON X-SECTION 2059700200022 ERRORS AND UNCERTAINTY IN MOLECULAR BINDING. 2059700200023 ENDBIB 21 0 2059700200024 NOCOMMON 0 0 2059700200025 DATA 3 1 2059700200026 EN DATA DATA-ERR 2059700200027 EV B B 2059700200028 1.3200E+02 2.0491E+01 1.4000E-02 2059700200029 ENDDATA 3 0 2059700200030 ENDSUBENT 29 0 2059700299999 SUBENT 20597003 19840126 00002059700300001 BIB 5 10 2059700300002 REACTION (1-H-1(N,TOT),,SIG) 2059700300003 BOUND H ATOM. 2059700300004 COMMENT .FOUR MEASUREMENTS ON DIFFERENT LIQUIDS. 2059700300005 FLAG (1.) H2O 2059700300006 (2.) C6H6 2059700300007 (3.) CH3OH 2059700300008 (4.) C7H8 2059700300009 STATUS .TABLE 2, PR/C,11,103,7501. 2059700300010 HISTORY (760618C) 2059700300011 (761217E) 2059700300012 ENDBIB 10 0 2059700300013 NOCOMMON 0 0 2059700300014 DATA 4 4 2059700300015 EN DATA DATA-ERR FLAG 2059700300016 EV B B NO-DIM 2059700300017 1.3200E+02 2.0485E+01 2.0000E-02 1.0000E+00 2059700300018 1.3200E+02 2.0487E+01 2.6000E-02 2.0000E+00 2059700300019 1.3200E+02 2.0466E+01 2.9000E-02 3.0000E+00 2059700300020 1.3200E+02 2.0497E+01 5.2000E-02 4.0000E+00 2059700300021 ENDDATA 6 0 2059700300022 ENDSUBENT 21 0 2059700399999 ENDENTRY 3 0 2059799999999