ENTRY 12951 19860303 00001295100000001 SUBENT 12951001 19860303 00001295100100001 BIB 12 31 1295100100002 INSTITUTE (1USAORL) 1295100100003 REFERENCE (J,NSE,91,444,8512) 1295100100004 AUTHOR (L.W.WESTON,J.H.TODD) 1295100100005 TITLE NEUTRON CAPTURE CROSS SECTION OF 243-AM 1295100100006 FACILITY (LINAC) OAK RIDGE ELECTRON LINEAR ACCELERATOR 1295100100007 SAMPLE AM-O(2) SAMPLE CONTAINING 0.4 GRAMS OF AM-243 OF 1295100100008 99.99 PERCENT ISOTOPIC PURITY. IT WAS PRESSED 1295100100009 INTO A 2.54 CM DISK WITH 1.25 GRAMS OF SULFUR 1295100100010 AS A BINDER AND ENCLOSED IN 0.245 CM THICK 1295100100011 ALUMINUM 1295100100012 DETECTOR (SCIN) NE-226 LIQUID SCINTILLATOR BEHIND 0.64 CM 1295100100013 OF LEAD AND DETECTOR BIAS OF 800 KEV BECAUSE OF 1295100100014 HIGH SAMPLE ACTIVITY 1295100100015 (IOCH) PARALLEL PLATE BF(3) IONIZATION CHAMBER TO 1295100100016 MONITOR FLUX 1295100100017 (GLASD) LI-6 GLASS DETECTOR USED TO CALIBRATE IONIZA- 1295100100018 TION CHAMBER 1295100100019 MONITOR (5-B-10(N,A)3-LI-7,,SIG) ENDF/B-V 1295100100020 CORRECTION NO SELF PROTECTION OR MULTIPLE SCATTERING 1295100100021 CORRECTIONS MADE BECAUSE SAMPLE WAS THIN. 1295100100022 DATA AROUND ALUMNINUM RESONANCES DELETED FOR 1295100100023 THIS REASON. 1295100100024 ERR-ANALYS (ERR-1) SYSTEMATIC ERROR DUE TO HIGH BACKGROUND 1295100100025 ACTIVITY OF THE SAMPLE 1295100100026 (ERR-2) NORMALIZATION ERROR DUE TO 1295100100027 1) UNCERTAINTY IN THERMAL CAPTURE CROSS SECTION 1295100100028 2) STATISTICAL UNCERTAINTY OF DATA 1295100100029 3) SYSTEMATIC UNCERTAINTY IN RATIO TO THERMAL 1295100100030 (ERR-S) STATISTICAL ERROR 1295100100031 STATUS (APRVD) L.W.WESTON, 86/3/3. 1295100100032 HISTORY (860122C) 1295100100033 ENDBIB 31 0 1295100100034 NOCOMMON 0 0 1295100100035 ENDSUBENT 34 0 1295100199999 SUBENT 12951002 19860130 00001295100200001 BIB 3 6 1295100200002 REACTION (95-AM-243(N,G)95-AM-244,,SIG) 1295100200003 MONITOR ((MONIT)95-AM-243(N,G)95-AM-244,,INT,,RTE) NORMALIZED 1295100200004 TO INTEGRAL FROM 0.02 TO 0.1 EV OF THE ENDF/B-V 1295100200005 VALUE MULTIPLIED BY THE SQUARE ROOT OF THE ENERGY. 1295100200006 METHOD (TOF) TIME OF FLIGHT WITH 20-METER FLIGHT PATH 1295100200007 LOW REPETITION RATE - 25 PULSES/SEC 1295100200008 ENDBIB 6 0 1295100200009 COMMON 5 3 1295100200010 ERR-1 ERR-2 EN-NRM-MIN EN-NRM-MAX MONIT 1295100200011 PER-CENT PER-CENT EV EV B*EV*RT-EV 1295100200012 8.0 6.0 0.02 0.1 0.984 1295100200013 ENDCOMMON 3 0 1295100200014 DATA 3 38 1295100200015 EN DATA ERR-S 1295100200016 KEV B B 1295100200017 0.258 30.70 1.20 1295100200018 0.289 24.60 1.10 1295100200019 0.327 22.60 1.00 1295100200020 0.373 18.00 1.00 1295100200021 0.428 16.80 1.00 1295100200022 0.471 18.40 1.20 1295100200023 0.509 18.40 1.20 1295100200024 0.551 18.50 1.10 1295100200025 0.600 17.10 1.10 1295100200026 0.655 14.90 1.00 1295100200027 0.718 12.70 1.00 1295100200028 0.790 13.60 0.90 1295100200029 0.875 13.30 0.90 1295100200030 0.973 14.10 0.80 1295100200031 1.090 12.60 0.80 1295100200032 1.230 10.10 0.70 1295100200033 1.390 9.47 0.68 1295100200034 1.590 9.58 0.68 1295100200035 1.810 7.59 0.84 1295100200036 1.960 8.85 0.94 1295100200037 2.120 8.87 1.04 1295100200038 2.300 8.20 1.39 1295100200039 3.700 4.47 0.96 1295100200040 4.120 6.35 0.68 1295100200041 4.630 4.69 0.57 1295100200042 5.240 5.38 0.50 1295100200043 5.970 3.17 0.55 1295100200044 6.870 3.66 0.41 1295100200045 7.990 3.93 0.38 1295100200046 9.400 3.11 0.31 1295100200047 11.200 3.04 0.27 1295100200048 13.700 3.16 0.25 1295100200049 17.000 2.47 0.21 1295100200050 21.600 2.29 0.17 1295100200051 28.500 2.27 0.17 1295100200052 39.200 2.27 0.15 1295100200053 57.400 1.84 0.10 1295100200054 92.100 1.22 0.07 1295100200055 ENDDATA 40 0 1295100200056 ENDSUBENT 55 0 1295100299999 SUBENT 12951003 19860130 00001295100300001 BIB 3 7 1295100300002 REACTION (95-AM-243(N,G)95-AM-244,,SIG) 1295100300003 MONITOR (95-AM-243(N,G)95-AM-244,,SIG) NORMALIZED TO 1295100300004 THE LOW REPETITION RATE RUN CODED IN SAN 2 1295100300005 FROM 4 TO 40 KEV. 1295100300006 METHOD (TOF) TIME OF FLIGHT WITH 20-METER FLIGHT PATH 1295100300007 HIGH REPETITION RATE - 800 PULSES/SEC WITH A 1295100300008 B-10 FILTER IN THE NEUTRON BEAM 1295100300009 ENDBIB 7 0 1295100300010 COMMON 4 3 1295100300011 ERR-1 ERR-2 EN-NRM-MIN EN-NRM-MAX 1295100300012 PER-CENT PER-CENT KEV KEV 1295100300013 8.0 6.0 4. 40. 1295100300014 ENDCOMMON 3 0 1295100300015 DATA 3 37 1295100300016 EN DATA ERR-S 1295100300017 KEV B B 1295100300018 0.258 21.70 0.50 1295100300019 0.289 17.80 0.40 1295100300020 0.327 16.50 0.40 1295100300021 0.373 13.90 0.40 1295100300022 0.428 14.10 0.40 1295100300023 0.471 12.20 0.40 1295100300024 0.509 13.20 0.40 1295100300025 0.551 13.00 0.40 1295100300026 0.655 11.30 0.30 1295100300027 0.718 10.40 0.30 1295100300028 0.790 10.20 0.30 1295100300029 0.875 10.20 0.30 1295100300030 1.090 10.20 0.20 1295100300031 1.230 8.83 0.20 1295100300032 1.390 8.08 0.19 1295100300033 1.590 7.51 0.18 1295100300034 1.810 6.69 0.22 1295100300035 1.960 7.41 0.24 1295100300036 2.300 6.32 0.28 1295100300037 2.510 6.09 0.37 1295100300038 3.020 6.29 0.35 1295100300039 3.330 5.57 0.29 1295100300040 3.700 5.49 0.20 1295100300041 4.120 5.36 0.15 1295100300042 4.630 5.23 0.12 1295100300043 5.240 4.36 0.11 1295100300044 6.870 4.52 0.10 1295100300045 7.990 4.03 0.09 1295100300046 9.400 3.63 0.07 1295100300047 11.200 2.99 0.06 1295100300048 13.700 3.26 0.06 1295100300049 17.000 2.89 0.05 1295100300050 21.600 2.59 0.04 1295100300051 28.500 2.36 0.04 1295100300052 39.200 2.06 0.03 1295100300053 57.400 1.80 0.02 1295100300054 92.100 1.18 0.02 1295100300055 ENDDATA 39 0 1295100300056 ENDSUBENT 55 0 1295100399999 ENDENTRY 3 0 1295199999999