ENTRY 10563 20180724 14421056300000001 SUBENT 10563001 20180724 14421056300100001 BIB 14 42 1056300100002 TITLE Measurement of the fission cross section of 1056300100003 plutonium-241 relative to uranium-235 for neutron 1056300100004 energies from 1 keV to 30 MeV 1056300100005 REFERENCE (J,NSE,68,128,1978) 1056300100006 INSTITUTE (1USALRL) 1056300100007 AUTHOR (G.W.Carlson,J.W.Behrens) 1056300100008 FACILITY (LINAC,1USALRL) Livermore Electron 100-MeV Linac 1056300100009 INC-SOURCE (PHOTO) Electrons on water-cooled tantalum target 1056300100010 SAMPLE Isotopic composition of 241Pu sample: 1056300100011 238U (<0.0004%), 239Pu (1.372%), 240Pu (0.234%), 1056300100012 241Pu (98.30%), 242Pu (0.088%), 244Pu (<0.0004%). 1056300100013 Isotopic composition of 235U sample: 1056300100014 234U (0.03%), 235U (99.91%), 236U (0.02%), 1056300100015 238U (0.04%). 1056300100016 METHOD (TOF) 34.3 m station of 250 m TOF line 1056300100017 DETECTOR (FISCH) Four fission chambers were used; each foil was 1056300100018 coated on both sides with fissionable material (76 mm 1056300100019 diam.). 1056300100020 MONITOR ((94-PU-241(N,F),,SIG,,AV)/(92-U-235(N,F),,SIG,,AV)) 1056300100021 Weighted mean of values from two normalizations 1056300100022 CORRECTION Corrected for 1056300100023 - sample impurities (239Pu, 240Pu, 241Am), 1056300100024 - electronics dead-time, 1056300100025 - neutron scattering in aluminum foils, 1056300100026 - time-independent background. 1056300100027 Not corrected for 1056300100028 - accidental coincidences (<0.1%), 1056300100029 - time-dependent background (<0.1%), 1056300100030 - energy-dependent detector efficiency (<0.75%). 1056300100031 ERR-ANALYS (DATA-ERR) Statistical errors and systematic errors in 1056300100032 shape excluding the normalization uncertainty 1056300100033 (ERR-1) Total systematic uncertainty in shape due 1056300100034 to background, scattering correction, impurity, 1056300100035 correction, energy dependence of efficiency 1056300100036 STATUS (APRVD) Approved by G.W.Carlson, 1979/2/15. 1056300100037 HISTORY (19760112C) 1056300100038 (19790104A) BIB additions and corrections. Converted to1056300100039 REACTION formalism. 1056300100040 (20040602A) Converted to new date formats, lower case. 1056300100041 Subentry 3 deleted. Average data removed as per 1056300100042 G.W.Carlson, 1979/2/15. Data heading updated. 1056300100043 (20180724A) On. Major revision in 002. 1056300100044 ENDBIB 42 0 1056300100045 NOCOMMON 0 0 1056300100046 ENDSUBENT 45 0 1056300199999 SUBENT 10563002 20180724 14421056300200001 BIB 3 4 1056300200002 REACTION ((94-PU-241(N,F),,SIG)/(92-U-235(N,F),,SIG)) 1056300200003 STATUS (TABLE) Table IV of Nucl.Sci.Eng.68(1978)128 1056300200004 HISTORY (19790104A) Data replaced. 1056300200005 (20180724A) On. EN -> EN-MIN and MAX. ERR-1 added. 1056300200006 ENDBIB 4 0 1056300200007 COMMON 4 3 1056300200008 EN-NRM-MIN EN-NRM-MAX MONIT MONIT-ERR 1056300200009 MEV MEV NO-DIM NO-DIM 1056300200010 1.75 4.00 1.276 0.033 1056300200011 ENDCOMMON 3 0 1056300200012 DATA 6 107 1056300200013 EN-MIN EN-MAX MISC DATA DATA-ERR ERR-1 1056300200014 MEV MEV MEV NO-DIM PER-CENT PER-CENT 1056300200015 0.0007 0.0010 0.00085 1.275 2.6 0.3 1056300200016 0.0010 0.0015 0.00125 1.366 1.8 0.3 1056300200017 0.0015 0.0020 0.00175 1.483 2.0 0.3 1056300200018 0.0020 0.003 0.0025 1.379 1.7 0.3 1056300200019 0.003 0.004 0.0035 1.382 1.9 0.3 1056300200020 0.004 0.006 0.0050 1.314 1.5 0.3 1056300200021 0.006 0.008 0.0070 1.449 1.6 0.3 1056300200022 0.008 0.010 0.0090 1.315 1.8 0.3 1056300200023 0.010 0.015 0.0125 1.327 1.3 0.2 1056300200024 0.015 0.020 0.0175 1.336 1.5 0.2 1056300200025 0.020 0.025 0.0225 1.331 1.6 0.2 1056300200026 0.025 0.03 0.0275 1.337 1.6 0.2 1056300200027 0.03 0.04 0.035 1.344 1.3 0.2 1056300200028 0.04 0.05 0.045 1.329 1.3 0.2 1056300200029 0.05 0.06 0.055 1.283 1.4 0.2 1056300200030 0.06 0.07 0.065 1.311 1.4 0.2 1056300200031 0.07 0.08 0.075 1.328 1.5 0.2 1056300200032 0.08 0.09 0.085 1.388 1.5 0.2 1056300200033 0.09 0.10 0.095 1.396 1.5 0.2 1056300200034 0.10 0.1063 0.1029 1.383 1.8 0.2 1056300200035 0.1063 0.1139 0.1101 1.420 1.7 0.2 1056300200036 0.1139 0.1222 0.1180 1.318 1.7 0.2 1056300200037 0.1222 0.1315 0.1269 1.405 1.6 0.2 1056300200038 0.1315 0.1420 0.1367 1.439 1.5 0.2 1056300200039 0.1420 0.1537 0.1478 1.392 1.5 0.2 1056300200040 0.1537 0.1669 0.1603 1.414 1.4 0.2 1056300200041 0.1669 0.1819 0.1744 1.413 1.3 0.2 1056300200042 0.1819 0.1990 0.1905 1.390 1.2 0.2 1056300200043 0.1990 0.2187 0.2089 1.430 1.1 0.2 1056300200044 0.2187 0.2415 0.2301 1.422 1.0 0.2 1056300200045 0.2415 0.2679 0.2547 1.401 1.0 0.2 1056300200046 0.2679 0.2990 0.2835 1.405 0.9 0.2 1056300200047 0.2990 0.3359 0.3174 1.387 0.9 0.3 1056300200048 0.3359 0.3799 0.3579 1.330 0.8 0.3 1056300200049 0.3799 0.4333 0.4066 1.327 0.8 0.3 1056300200050 0.4333 0.4988 0.4661 1.326 0.7 0.3 1056300200051 0.4988 0.5803 0.5396 1.315 0.7 0.5 1056300200052 0.5803 0.6836 0.6319 1.327 0.7 0.5 1056300200053 0.6836 0.7137 0.6986 1.335 1.1 0.5 1056300200054 0.7137 0.7459 0.7298 1.338 1.1 0.5 1056300200055 0.7459 0.7803 0.7631 1.353 1.0 0.5 1056300200056 0.7803 0.8171 0.7987 1.376 1.0 0.5 1056300200057 0.8171 0.8566 0.8369 1.364 1.0 0.5 1056300200058 0.8566 0.8990 0.8778 1.343 1.0 0.5 1056300200059 0.8990 0.9447 0.9219 1.333 1.0 0.5 1056300200060 0.9447 0.994 0.9693 1.305 1.0 0.5 1056300200061 0.994 1.047 1.021 1.294 1.1 0.7 1056300200062 1.047 1.105 1.076 1.298 1.1 0.7 1056300200063 1.105 1.167 1.136 1.290 1.1 0.7 1056300200064 1.167 1.235 1.201 1.322 1.0 0.7 1056300200065 1.235 1.309 1.272 1.383 1.0 0.7 1056300200066 1.309 1.390 1.350 1.375 1.0 0.7 1056300200067 1.390 1.479 1.434 1.399 1.0 0.7 1056300200068 1.479 1.576 1.528 1.395 1.0 0.7 1056300200069 1.576 1.684 1.630 1.388 1.0 0.7 1056300200070 1.684 1.802 1.743 1.352 1.0 0.7 1056300200071 1.802 1.934 1.868 1.338 1.1 0.8 1056300200072 1.934 2.081 2.008 1.313 1.1 0.8 1056300200073 2.081 2.245 2.163 1.280 1.2 0.8 1056300200074 2.245 2.430 2.338 1.283 1.2 0.8 1056300200075 2.430 2.638 2.534 1.250 1.2 0.8 1056300200076 2.638 2.874 2.756 1.261 1.3 0.8 1056300200077 2.874 3.144 3.009 1.275 1.3 0.8 1056300200078 3.144 3.453 3.299 1.239 1.3 0.8 1056300200079 3.453 3.811 3.632 1.256 1.4 0.8 1056300200080 3.811 4.227 4.019 1.232 1.4 0.8 1056300200081 4.227 4.716 4.472 1.236 1.4 0.8 1056300200082 4.716 5.295 5.005 1.272 1.3 0.8 1056300200083 5.295 5.456 5.375 1.264 2.3 0.8 1056300200084 5.456 5.625 5.540 1.319 2.3 0.8 1056300200085 5.625 5.802 5.713 1.305 2.3 0.8 1056300200086 5.802 5.987 5.894 1.309 2.2 0.8 1056300200087 5.987 6.181 6.084 1.276 2.2 0.8 1056300200088 6.181 6.386 6.284 1.241 2.1 0.8 1056300200089 6.386 6.600 6.493 1.276 2.0 0.8 1056300200090 6.600 6.825 6.713 1.214 2.0 0.8 1056300200091 6.825 7.063 6.944 1.197 1.9 0.8 1056300200092 7.063 7.313 7.188 1.175 2.0 0.9 1056300200093 7.313 7.576 7.444 1.119 2.0 0.9 1056300200094 7.576 7.854 7.715 1.129 2.0 0.9 1056300200095 7.854 8.148 8.001 1.094 2.1 0.9 1056300200096 8.148 8.458 8.303 1.111 2.1 0.9 1056300200097 8.458 8.787 8.622 1.114 2.2 0.9 1056300200098 8.787 9.135 8.961 1.100 2.3 0.9 1056300200099 9.135 9.505 9.320 1.107 2.3 0.9 1056300200100 9.505 9.897 9.701 1.142 2.4 0.9 1056300200101 9.897 10.315 10.106 1.160 2.6 1.0 1056300200102 10.315 10.759 10.537 1.208 2.7 1.0 1056300200103 10.759 11.234 10.996 1.165 2.8 1.0 1056300200104 11.234 11.740 11.487 1.154 2.9 1.0 1056300200105 11.740 12.282 12.011 1.120 3.1 1.0 1056300200106 12.282 12.862 12.572 1.156 3.1 1.0 1056300200107 12.862 13.485 13.174 1.115 3.2 1.0 1056300200108 13.485 14.155 13.820 1.097 3.2 1.0 1056300200109 14.155 14.876 14.515 1.029 3.3 1.0 1056300200110 14.876 15.654 15.265 1.004 3.5 1.2 1056300200111 15.654 16.495 16.075 0.985 3.7 1.2 1056300200112 16.495 17.407 16.951 1.064 3.8 1.2 1056300200113 17.407 18.397 17.902 1.002 4.1 1.2 1056300200114 18.397 19.475 18.936 1.008 4.4 1.2 1056300200115 19.475 20.652 20.064 0.963 4.7 1.1 1056300200116 20.652 21.940 21.296 1.031 4.9 1.1 1056300200117 21.940 23.354 22.647 1.015 5.1 1.1 1056300200118 23.354 24.911 24.132 1.070 5.4 1.1 1056300200119 24.911 26.631 25.771 0.985 5.9 1.1 1056300200120 26.631 28.539 27.585 1.028 6.3 1.1 1056300200121 28.539 30.663 29.601 1.126 6.5 1.1 1056300200122 ENDDATA 109 0 1056300200123 ENDSUBENT 122 0 1056300299999 NOSUBENT 10563003 20040602 00001056300300001 ENDENTRY 3 0 1056399999999