ENTRY 21864 19840416 00002186400000001 SUBENT 21864001 19840416 00002186400100001 BIB 13 34 2186400100002 INSTITUTE (2JPNJPN) MUSASHI INSTITUTE OF TECHNOLOGY 2186400100003 (EXPERIMENTAL SITE, O.O,T.M. ) 2186400100004 CENTURY RESEARCH CENTER CORP. (H.K.) 2186400100005 REFERENCE (J,NST,20,(4),354,8304) 2186400100006 AUTHOR (O.AIZAWA,T.MATSUMOTO,H.KADOTANI) 2186400100007 TITLE -MEASUREMENT OF TOTAL NEUTRON CROSS SECTIONS AT 24 KEV 2186400100008 BY MEANS OF IRON FILTER METHOD. 2186400100009 FACILITY (REAC) 2186400100010 INC-SOURCE (THCOL) THERMAL COLUMN CONTAINING A FILTER CONSISTING 2186400100011 OF THE FOLLOWING SECTIONS- 2186400100012 LEAD AND POLYTHENE COLUMNS 2186400100013 AL,FE AND S FILTERS 2186400100014 LITHIUM-TILE COLLIMATOR 2186400100015 SAMPLE .5.08 CM BY 5.08 CM BY 1 CM PLATE OF HIGH QUALITY BE 2186400100016 METAL. DENSITY 1.866 +/- 0.001 G/CM3 2186400100017 .REACTOR GRADE GRAPHITE ( TOTAL IMPURITY 3 PPM ) 2186400100018 DENSITY 1.674 +/- 0.002 G/CM3. 2186400100019 METHOD .NEUTRON TRANSMISSION MEASUREMENT. 2186400100020 DETECTOR (PROPC) PROTON RECOIL COUNTER CONTAINING HE-3 GAS 2186400100021 AT A PRESSURE OF 1 MILLI-M HG. 2186400100022 STATUS .DATA TAKEN FROM MAIN REFERENCE. 2186400100023 HISTORY (830922C) A.P.T. 2186400100024 (831004E) 2186400100025 (840106U) A.P.T. JAPAN CODE CHANGED TO JPN 2186400100026 (840106E) 2186400100027 CORRECTION .BACKGROUND CALULATED FROM THE MEASURED COUNT RATES- 2186400100028 - WITH SAMPLE AND TI FILTER 2186400100029 - WITH SAMPLE 2186400100030 - WITH TI FILTER 2186400100031 - WITH NEITHER SAMPLE NOR TI FILTER 2186400100032 IN THE NEUTRON BEAM. 2186400100033 ERR-ANALYS (ERR-S) STATISTICAL ERROR 2186400100034 (ERR-1) ERROR IN SAMPLE THICKNESS 2186400100035 (ERR-T) TOTAL ERROR 2186400100036 ENDBIB 34 0 2186400100037 COMMON 1 3 2186400100038 EN 2186400100039 KEV 2186400100040 2.4300E+01 2186400100041 ENDCOMMON 3 0 2186400100042 ENDSUBENT 41 0 2186400199999 SUBENT 21864002 19831004 00002186400200001 BIB 3 4 2186400200002 REACTION (4-BE-9(N,TOT),,SIG) 2186400200003 STATUS .TABLE 1. 2186400200004 HISTORY (830922C) A.P.T. 2186400200005 (831004E) 2186400200006 ENDBIB 4 0 2186400200007 NOCOMMON 0 0 2186400200008 DATA 4 1 2186400200009 DATA ERR-S ERR-1 ERR-T 2186400200010 B PER-CENT PER-CENT PER-CENT 2186400200011 5.8800E+00 2.2000E-01 5.0000E-02 2.5000E-01 2186400200012 ENDDATA 3 0 2186400200013 ENDSUBENT 12 0 2186400299999 SUBENT 21864003 19831004 00002186400300001 BIB 3 4 2186400300002 REACTION (6-C-12(N,TOT),,SIG) 2186400300003 STATUS .TABLE 1. 2186400300004 HISTORY (830922C) A.P.T. 2186400300005 (831004E) 2186400300006 ENDBIB 4 0 2186400300007 NOCOMMON 0 0 2186400300008 DATA 4 1 2186400300009 DATA ERR-S ERR-1 ERR-T 2186400300010 B PER-CENT PER-CENT PER-CENT 2186400300011 4.6500E+00 2.3000E-01 1.2000E-01 2.8000E-01 2186400300012 ENDDATA 3 0 2186400300013 ENDSUBENT 12 0 2186400399999 ENDENTRY 3 0 2186499999999