ENTRY 20201 19831121 00002020100000001 SUBENT 20201001 19831121 00002020100100001 BIB 18 46 2020100100002 INSTITUTE (2BLGMOL) 2020100100003 REFERENCE (J,NIM,17,342,6210) APPARATUS AND METHODS DESCRIBED. 2020100100004 IN-115 STUDIED FOR TESTING. SEE ENTRY 20208. 2020100100005 (J,JPR,22,707,6110) IN-115, HF-177. 2020100100006 AUTHOR (H.CEULEMANS, M.NEVE DE MEVERGNIES, F.POORTMANS) 2020100100007 TITLE - APPARATUS AND METHODS USED IN A SLOW NEUTRON 2020100100008 RESONANCE SCATTERING EXPERIMENT - 2020100100009 FACILITY .BR1-REACTOR, CRYSTAL SPECTROMETER. 2020100100010 INC-SOURCE (REAC ) BR1-REACTOR, NEUTRON BEAM FROM THE CORE. 2020100100011 INC-SPECT .MONOCHROMATIC BEAM OBTAINED FROM BRAGG-REFLECTION ON 2020100100012 CU(111) PLANES. 2020100100013 SAMPLE .EVAPORATED INDIUM METAL ON ALUMINIUM 2020100100014 BACKING OF 10 MICROMETERS. THREE DIFFERENT 2020100100015 SAMPLES USED WITH DIAMETER OF 30 MILLIM. 2020100100016 AND THICKNESSES OF 2.08E18 ATOMS/CM*CM, 2020100100017 1.06E19 ATOMS/CM*CM, 1.31E19 ATOMS/CM*CM. 2020100100018 .SCATTERING SAMPLE AT RIGHT ANGLE TO NEUTRON BEAM, 2020100100019 SURROUNDED BY PROPORTIONAL COUNTERS IN CYLINDRICAL 2020100100020 GEOMETRY. 2020100100021 METHOD .MEASURING THE RATIO OF SCATTERING CROSS- 2020100100022 SECTION TO THE TOTAL CROSS-SECTION AT 2020100100023 RESONANCE ENERGY. 2020100100024 DETECTOR (PROPC) EIGHT PROPORTIONAL COUNTERS FILLED WITH 2020100100025 BORON-TRIFLUORIDE ENRICHED IN BORON-10, 2020100100026 DETECTORS ARE 40 CM LONG, 5 CM IN DIAMETER, 2020100100027 WITH 700 TORR PRESSURE. 2020100100028 ANALYSIS .THE QUANTITY MEASURED IN THIS EXPERIMENT IS THE RATIO 2020100100029 BETWEEN NEUTRON-WIDTH TO TOTAL WIDTH. THE STATISTICAL 2020100100030 WEIGHT FACTOR AND THEREFORE THE SPIN OF THE COMPOUND 2020100100031 NUCLEUS ARE OBTAINED USING RESONANCE PARAMETERS 2020100100032 FROM BNL-325. 2020100100033 MONITOR (82-PB-0(N,EL),,SIG) 2020100100034 SCATTERING CROSS-SECTION OF LEAD, 2020100100035 VALUE NOT GIVEN. 2020100100036 PART-DET (N ) NEUTRONS 2020100100037 COMMENT .RESONANT SCATTERING INTENSITY OBTAINED FROM DIFFERENCE2020100100038 BETWEEN SAMPLE-IN AND SAMPLE-OUT COUNTING RATES AND 2020100100039 NORMALIZED TO THE COUNTING RATE FROM A PB-SAMPLE. 2020100100040 STATUS .TAKEN FROM NUCL,INSTR.METH.,17(1962)342. 2020100100041 BIB-SECTION FORTIFIED BY PRIVATE COMMUNICATION. 2020100100042 HISTORY (721005C) 2020100100043 (740521E) 2020100100044 CORRECTION .CORRECTIONS APPLIED FOR SAMPLE THICKNESS(ABSORPTION 2020100100045 AFTER SCATTERING). 2020100100046 ERR-ANALYS .STATISTICAL ERROR DERIVED FROM OBSERVED VARIANCE ON A 2020100100047 SERIES OF MEASUREMENTS. 2020100100048 ENDBIB 46 0 2020100100049 COMMON 1 3 2020100100050 EN-RES 2020100100051 EV 2020100100052 1.4560E+00 2020100100053 ENDCOMMON 3 0 2020100100054 ENDSUBENT 53 0 2020100199999 SUBENT 20201002 19831121 00002020100200001 BIB 2 4 2020100200002 REACTION ((49-IN-115(N,EL),,WID)/ 2020100200003 (49-IN-115(N,TOT),,WID)) 2020100200004 HISTORY (721005C) 2020100200005 (740521E) 2020100200006 ENDBIB 4 0 2020100200007 NOCOMMON 0 0 2020100200008 DATA 2 1 2020100200009 DATA DATA-ERR 2020100200010 NO-DIM NO-DIM 2020100200011 4.1000E-02 1.0000E-03 2020100200012 ENDDATA 3 0 2020100200013 ENDSUBENT 12 0 2020100299999 SUBENT 20201003 19831121 00002020100300001 BIB 2 3 2020100300002 REACTION (49-IN-115(N,0),,J) 2020100300003 HISTORY (721005C) 2020100300004 (740521E) 2020100300005 ENDBIB 3 0 2020100300006 NOCOMMON 0 0 2020100300007 DATA 1 1 2020100300008 DATA 2020100300009 NO-DIM 2020100300010 5.0000E+00 2020100300011 ENDDATA 3 0 2020100300012 ENDSUBENT 11 0 2020100399999 ENDENTRY 3 0 2020199999999