ENTRY 10815 19790123 00001081500000001 SUBENT 10815001 19790123 00001081500100001 BIB 10 23 1081500100002 INSTITUTE (1USARPI) 1081500100003 REFERENCE (R,COO-2479-14,78) 1081500100004 AUTHOR (B.L.QUAN,R.C.BLOCK) 1081500100005 TITLE MEASUREMENT OF THE U-238(N,G) CROSS SECTION WITH AN 1081500100006 FE-FILTERED NEUTRON BEAM 1081500100007 FACILITY (LINAC) RPI LINEAR ACCELERATOR 1081500100008 DETECTOR (SCIN) LIQUID SCINTILLATOR, 1.25-METER DIAMETER. 1081500100009 10-B(4)C-NAI DETECTOR FOR NEUTRON FLUX. 1081500100010 SAMPLE HIGHLY ENRICHED U-238, 7.68-CM DIAMETER, THICKNESS OF 1081500100011 (2.322+-0.012)E-03 ATOMS/BARN, LESS THAN 5-PPM U-235. 1081500100012 METHOD (TOF) TIME OF FLIGHT WITH 25.64-METER PATH LENGTH. 1081500100013 SPLIT ARMCO FE FILTER, 7.5-CM THICK AT 3-METERS AND 1081500100014 12.5-CM THICK PLACED AT 22-METERS. NEUTRON BEAM 1081500100015 MEASUREMENTS USED COMPOSITE FILTER OF 20-CM FE, 1081500100016 0.08-CM CD, AND 0.32-CM PB. IODIDE SCATTERING IN 1081500100017 DETECTOR DETERMINED BY REPLACING 10-B(4)C SLAB WITH 1081500100018 GRAPHITE. 1081500100019 CORRECTION CORRECTED FOR DETECTOR EFFICIENCY. 1081500100020 CORRECTED FOR RESONANCE SELF-PROTECTION AND MULTIPLE 1081500100021 SCATTERING IN SAMPLE USING U-238 AVERAGE TOTAL AND 1081500100022 SCATTERING CROSS SECTIONS. CORRECTIONS RANGE FROM 1081500100023 4.9-PERCENT TO 4.2-PERCENT. 1081500100024 HISTORY (781226C) 1081500100025 ENDBIB 23 0 1081500100026 NOCOMMON 0 0 1081500100027 ENDSUBENT 26 0 1081500199999 SUBENT 10815002 19790123 00001081500200001 BIB 3 4 1081500200002 REACTION (92-U-238(N,G)92-U-239,,SIG,,AV) 1081500200003 MONITOR NORMALIZED USING SATURATED RESONANCE TECHNIQUE FOR THE 1081500200004 6.67-EV RESONANCE. 1081500200005 ERR-ANALYS NO INFORMATION. 1081500200006 ENDBIB 4 0 1081500200007 NOCOMMON 0 0 1081500200008 DATA 4 6 1081500200009 EN-MIN EN-MAX DATA DATA-ERR 1081500200010 KEV KEV MB MB 1081500200011 23.6 26.0 496. 15. 1081500200012 64.5 75.7 297. 22. 1081500200013 76.5 84.9 190. 9. 1081500200014 106.7 141.7 167. 6. 1081500200015 155.3 173.1 128. 7. 1081500200016 175.6 190.9 118. 6. 1081500200017 ENDDATA 8 0 1081500200018 ENDSUBENT 17 0 1081500299999 ENDENTRY 2 0 1081599999999