ENTRY 20409 20210210 22972040900000001 SUBENT 20409001 20210210 22972040900100001 BIB 12 34 2040900100002 TITLE Measurements of neutron induced fission cross section 2040900100003 ratios at the karlsruhe isochronous cyclotron 2040900100004 AUTHOR (S.Cierjacks, B.Leugers, K.Kari, B.Brotz, D.Erbe, 2040900100005 D.Groeschel, G.Schmalz, F.Voss) 2040900100006 INSTITUTE (2GERKFK) 2040900100007 REFERENCE (C,76ANL,,94,1976) 2040900100008 (W,CIERJACKS,197407) Numerical values 2040900100009 REL-REF (N,20943001,B.Leugers+,C,76ANL,,246,1976) 2040900100010 238U(n,f) and 235U(n,f) absolute data from the same 2040900100011 experiment 2040900100012 FACILITY (ISOCY,2GERKFK) 2040900100013 INC-SOURCE 50 MeV deuteron on thick natural uranium 2040900100014 METHOD (TOF) 57 m (238U/235U) or 12 m (239Pu/235U) flight 2040900100015 path 2040900100016 DETECTOR (SCIN) 9 gas scintillation chambers (85% Ar+15% N) 2040900100017 and NE102 plastic scintillator for prompt gamma 2040900100018 detection 2040900100019 CORRECTION Corrected for 2040900100020 - time-independent background, 2040900100021 - energy-dependent detector efficiency, 2040900100022 - electronic threshold and dead time, 2040900100023 - sample mass and isotopic composition 2040900100024 ERR-ANALYS (ERR-1,,0.5) Time-independent background 2040900100025 (ERR-2,,0.5) Time-dependent background 2040900100026 (ERR-3,,0.2) Energy dependent detector efficiency 2040900100027 (ERR-4,,0.5) Electronic threshold 2040900100028 (ERR-5,,0.5) Neutron scattering in Ta and samples 2040900100029 HISTORY (19740723C) 2040900100030 (19750430E) 2040900100031 (19790425A) Updated with data from ref. 76anl,94. 2040900100032 (19790518E) 2040900100033 (20071218A) Date is corrected.DATA-ERR changed to ERR-S2040900100034 (20180724A) On. Major revisions in 002-003. 2040900100035 (20210210A) On. Major revision in 003. 2040900100036 ENDBIB 34 0 2040900100037 NOCOMMON 0 0 2040900100038 ENDSUBENT 37 0 2040900199999 SUBENT 20409002 20210210 22972040900200001 BIB 7 23 2040900200002 REACTION ((92-U-238(N,F),,SIG)/(92-U-235(N,F),,SIG)) 2040900200003 MONITOR ((92-U-238(N,F),,SIG)/(92-U-235(N,F),,SIG)) at 14 MeV 2040900200004 MONIT-REF (,W.P.Poenitz,W,POENITZ,1976) 2040900200005 SAMPLE 238U sample: 235U/238U composition ratio=0.0001755 2040900200006 235U sample: 235U (93.331%), 234U (1.080%), 2040900200007 236U (0.202%), 238U (5.387%) 2040900200008 STATUS Note added by the editors of C,76ANL,,246,1976: 2040900200009 The data reported for the ratio of U-238/U-235 and 2040900200010 the absolute values for U-238 and for U-235 (basing on 2040900200011 the hydrogen reference cross section) are both from a 2040900200012 single measurement. However, the normalization of the 2040900200013 data is somewhat different for the ratio then it is 2040900200014 for the individual cross sections. 2040900200015 (TABLE) Table III in 1976 Argonne conference p94 (1976)2040900200016 (COREL,20943002) 235U(n,f) absolute cross section 2040900200017 determined with n-p reference cross section from the 2040900200018 same run. 2040900200019 (COREL,20943003) 238U(n,f) absolute cross section 2040900200020 determined with n-p reference cross section from the 2040900200021 same run. 2040900200022 ERR-ANALYS (ERR-S) Statistical uncertainty 2040900200023 HISTORY (20180724A) On. MONITOR+MONIT-REF added. Data checked. 2040900200024 (20210210U) On. STATUS updated. 2040900200025 ENDBIB 23 0 2040900200026 COMMON 3 3 2040900200027 EN-NRM MONIT MONIT-ERR 2040900200028 MEV NO-DIM PER-CENT 2040900200029 14. 0.55 2. 2040900200030 ENDCOMMON 3 0 2040900200031 DATA 3 91 2040900200032 EN DATA ERR-S 2040900200033 MEV NO-DIM PER-CENT 2040900200034 1.374 0.132 7.2 2040900200035 1.424 0.209 6.3 2040900200036 1.474 0.265 5.7 2040900200037 1.524 0.294 5.5 2040900200038 1.574 0.326 5.4 2040900200039 1.625 0.353 5.3 2040900200040 1.674 0.349 5.3 2040900200041 1.726 0.332 5.4 2040900200042 1.775 0.377 5.4 2040900200043 1.824 0.395 5.2 2040900200044 1.872 0.409 5.2 2040900200045 1.923 0.376 5.3 2040900200046 1.973 0.398 5.4 2040900200047 2.039 0.395 2.2 2040900200048 2.342 0.401 2.3 2040900200049 2.642 0.415 2.5 2040900200050 2.945 0.416 2.7 2040900200051 3.245 0.423 3.0 2040900200052 3.541 0.465 3.1 2040900200053 3.843 0.461 3.3 2040900200054 4.144 0.466 3.5 2040900200055 4.446 0.476 3.7 2040900200056 4.742 0.475 3.8 2040900200057 5.046 0.460 4.1 2040900200058 5.344 0.484 4.1 2040900200059 5.644 0.487 4.2 2040900200060 5.942 0.529 4.0 2040900200061 6.248 0.554 3.9 2040900200062 6.547 0.586 3.5 2040900200063 6.849 0.609 3.3 2040900200064 7.137 0.577 3.3 2040900200065 7.443 0.549 3.2 2040900200066 7.748 0.545 3.0 2040900200067 8.050 0.560 3.1 2040900200068 8.346 0.541 2.9 2040900200069 8.635 0.551 2.9 2040900200070 8.939 0.547 2.8 2040900200071 9.259 0.555 2.8 2040900200072 9.539 0.534 2.8 2040900200073 9.833 0.563 2.7 2040900200074 10.140 0.559 2.6 2040900200075 10.462 0.575 2.7 2040900200076 10.731 0.560 2.8 2040900200077 11.046 0.563 2.6 2040900200078 11.337 0.582 2.6 2040900200079 11.641 0.565 2.6 2040900200080 11.957 0.576 2.5 2040900200081 12.161 0.573 3.0 2040900200082 12.371 0.547 3.0 2040900200083 12.586 0.531 2.9 2040900200084 12.807 0.515 2.8 2040900200085 13.033 0.533 2.7 2040900200086 13.266 0.534 2.6 2040900200087 13.505 0.550 2.6 2040900200088 13.750 0.528 2.5 2040900200089 14.003 0.550 2.4 2040900200090 14.262 0.552 2.4 2040900200091 14.529 0.543 2.4 2040900200092 14.803 0.567 2.3 2040900200093 15.086 0.584 2.2 2040900200094 15.376 0.595 2.2 2040900200095 15.675 0.601 2.2 2040900200096 15.983 0.610 2.1 2040900200097 16.301 0.636 2.1 2040900200098 16.627 0.623 2.2 2040900200099 16.964 0.603 2.2 2040900200100 17.311 0.632 2.2 2040900200101 17.670 0.621 2.2 2040900200102 18.039 0.621 2.2 2040900200103 18.420 0.643 2.2 2040900200104 18.814 0.665 2.3 2040900200105 19.221 0.675 2.3 2040900200106 19.641 0.698 2.3 2040900200107 20.075 0.712 2.4 2040900200108 20.524 0.744 2.4 2040900200109 20.988 0.744 2.5 2040900200110 21.468 0.763 2.6 2040900200111 21.965 0.736 2.7 2040900200112 22.480 0.744 2.7 2040900200113 23.014 0.760 2.8 2040900200114 23.566 0.763 3.0 2040900200115 24.140 0.771 3.2 2040900200116 24.735 0.784 3.4 2040900200117 25.352 0.755 3.7 2040900200118 25.993 0.775 4.0 2040900200119 26.659 0.738 4.3 2040900200120 27.351 0.778 4.5 2040900200121 28.071 0.772 4.8 2040900200122 28.820 0.776 5.1 2040900200123 29.601 0.812 5.3 2040900200124 30.413 0.778 5.7 2040900200125 ENDDATA 93 0 2040900200126 ENDSUBENT 125 0 2040900299999 SUBENT 20409003 20210210 22972040900300001 BIB 9 21 2040900300002 REACTION ((94-PU-239(N,F),,SIG)/(92-U-235(N,F),,SIG)) 2040900300003 MONITOR ((94-PU-239(N,F),,SIG)/(92-U-235(N,F),,SIG)) at 14 MeV 2040900300004 MONIT-REF (21468001,C.A.Uttley+,R,AERE-NP/R-1996,1956) 2040900300005 SAMPLE 239Pu sample: 239Pu (96.023%), 238Pu (0.008%), 2040900300006 240Pu (3.858%), 241Pu (0.103%), 2040900300007 242Pu (0.008%) 2040900300008 235U sample: 235U (93.337%), 234U (1.080%), 2040900300009 236U (0.202%), 238U (5.387%) 2040900300010 FLAG (1.) Low-energy limit for validity of the data unclear 2040900300011 ERR-ANALYS (ERR-S) Statistical uncertainty 2040900300012 COMMENT By Friedrich Voss (2021-02-23): 2040900300013 B.Leugers confirmed that each of Pu isotopes was 2040900300014 measured only once. That means that the 1976 and 2040900300015 1978 data are based on the same raw data. 2040900300016 By compiler: 2040900300017 Uttley et al. (1956) gives 1.15+/-0.05 at 14.1 MeV in 2040900300018 Table IV of AERE-NP/R-1996,1956. 2040900300019 STATUS (TABLE) Table IV in 1976 Argonne conference p94 (1976) 2040900300020 (SPSDD,20786005) 2040900300021 HISTORY (20180724A) On. MONITOR+MONIT-REF added. Data checked. 2040900300022 (20210210A) On. STATUS=SPSDD added. 2040900300023 ENDBIB 21 0 2040900300024 COMMON 2 3 2040900300025 EN-NRM MONIT 2040900300026 MEV NO-DIM 2040900300027 14. 1.15 2040900300028 ENDCOMMON 3 0 2040900300029 DATA 4 218 2040900300030 EN DATA ERR-S FLAG 2040900300031 MEV NO-DIM PER-CENT NO-DIM 2040900300032 0.392 1.371 1.8 1. 2040900300033 0.398 1.372 1.8 1. 2040900300034 0.404 1.314 1.8 1. 2040900300035 0.410 1.378 1.8 1. 2040900300036 0.416 1.416 1.8 1. 2040900300037 0.422 1.362 1.8 1. 2040900300038 0.428 1.232 1.9 1. 2040900300039 0.435 1.262 1.8 1. 2040900300040 0.442 1.384 1.7 1. 2040900300041 0.449 1.372 1.7 1. 2040900300042 0.456 1.412 1.6 1. 2040900300043 0.463 1.368 1.6 1. 2040900300044 0.470 1.391 1.6 1. 2040900300045 0.478 1.409 1.5 1. 2040900300046 0.486 1.388 1.5 2040900300047 0.494 1.408 1.5 2040900300048 0.502 1.416 1.4 2040900300049 0.510 1.441 1.4 2040900300050 0.519 1.433 1.4 2040900300051 0.527 1.407 1.4 2040900300052 0.536 1.395 1.3 2040900300053 0.546 1.379 1.3 2040900300054 0.555 1.424 1.3 2040900300055 0.565 1.395 1.3 2040900300056 0.575 1.381 1.2 2040900300057 0.585 1.416 1.2 2040900300058 0.596 1.466 1.2 2040900300059 0.606 1.477 1.2 2040900300060 0.618 1.461 1.2 2040900300061 0.629 1.479 1.2 2040900300062 0.641 1.476 1.2 2040900300063 0.653 1.445 1.2 2040900300064 0.665 1.437 1.1 2040900300065 0.678 1.477 1.1 2040900300066 0.691 1.526 1.1 2040900300067 0.705 1.485 1.1 2040900300068 0.719 1.474 1.1 2040900300069 0.733 1.517 1.1 2040900300070 0.748 1.529 1.1 2040900300071 0.763 1.564 1.0 2040900300072 0.779 1.525 1.0 2040900300073 0.795 1.582 1.0 2040900300074 0.812 1.530 1.0 2040900300075 0.829 1.536 1.0 2040900300076 0.847 1.508 1.0 2040900300077 0.865 1.503 0.9 2040900300078 0.884 1.519 0.9 2040900300079 0.904 1.503 0.9 2040900300080 0.924 1.469 0.9 2040900300081 0.945 1.472 0.9 2040900300082 0.966 1.465 0.9 2040900300083 0.989 1.433 0.9 2040900300084 1.007 1.432 1.1 2040900300085 1.022 1.444 1.1 2040900300086 1.036 1.456 1.1 2040900300087 1.051 1.495 1.1 2040900300088 1.066 1.514 1.1 2040900300089 1.082 1.508 1.1 2040900300090 1.098 1.483 1.0 2040900300091 1.114 1.453 1.0 2040900300092 1.130 1.497 1.0 2040900300093 1.147 1.537 1.0 2040900300094 1.164 1.520 1.0 2040900300095 1.182 1.515 1.0 2040900300096 1.200 1.528 1.0 2040900300097 1.219 1.562 1.0 2040900300098 1.238 1.563 0.9 2040900300099 1.257 1.580 0.9 2040900300100 1.277 1.594 0.9 2040900300101 1.297 1.566 0.9 2040900300102 1.318 1.578 0.9 2040900300103 1.340 1.582 0.9 2040900300104 1.361 1.624 0.9 2040900300105 1.384 1.609 0.9 2040900300106 1.407 1.599 0.9 2040900300107 1.430 1.592 0.9 2040900300108 1.455 1.573 0.9 2040900300109 1.479 1.595 0.8 2040900300110 1.505 1.590 0.8 2040900300111 1.531 1.583 0.8 2040900300112 1.557 1.573 0.8 2040900300113 1.585 1.548 0.8 2040900300114 1.613 1.566 0.8 2040900300115 1.642 1.563 0.8 2040900300116 1.672 1.586 0.8 2040900300117 1.702 1.593 0.8 2040900300118 1.734 1.581 0.8 2040900300119 1.766 1.561 0.8 2040900300120 1.799 1.589 0.8 2040900300121 1.833 1.583 0.8 2040900300122 1.868 1.569 0.8 2040900300123 1.904 1.555 0.7 2040900300124 1.942 1.546 0.7 2040900300125 1.980 1.564 0.7 2040900300126 2.019 1.566 0.7 2040900300127 2.060 1.563 0.7 2040900300128 2.102 1.573 0.7 2040900300129 2.145 1.561 0.7 2040900300130 2.189 1.552 0.7 2040900300131 2.235 1.564 0.7 2040900300132 2.282 1.575 0.7 2040900300133 2.331 1.582 0.7 2040900300134 2.382 1.563 0.7 2040900300135 2.434 1.569 0.7 2040900300136 2.488 1.578 0.7 2040900300137 2.543 1.571 0.7 2040900300138 2.601 1.555 0.7 2040900300139 2.660 1.543 0.7 2040900300140 2.722 1.555 0.7 2040900300141 2.786 1.578 0.7 2040900300142 2.852 1.572 0.7 2040900300143 2.920 1.568 0.7 2040900300144 2.991 1.580 0.7 2040900300145 3.064 1.578 0.7 2040900300146 3.140 1.576 0.7 2040900300147 3.220 1.590 0.7 2040900300148 3.302 1.587 0.7 2040900300149 3.387 1.587 0.7 2040900300150 3.476 1.585 0.7 2040900300151 3.568 1.608 0.7 2040900300152 3.664 1.584 0.7 2040900300153 3.764 1.591 0.7 2040900300154 3.868 1.599 0.7 2040900300155 3.976 1.600 0.7 2040900300156 4.089 1.600 0.7 2040900300157 4.207 1.587 0.7 2040900300158 4.330 1.580 0.7 2040900300159 4.459 1.604 0.7 2040900300160 4.594 1.601 0.7 2040900300161 4.734 1.619 0.7 2040900300162 4.882 1.609 0.7 2040900300163 5.036 1.615 0.7 2040900300164 5.198 1.622 0.7 2040900300165 5.367 1.641 0.7 2040900300166 5.545 1.631 0.7 2040900300167 5.732 1.631 0.7 2040900300168 5.929 1.561 0.6 2040900300169 6.066 1.527 1.1 2040900300170 6.136 1.503 1.1 2040900300171 6.208 1.471 1.0 2040900300172 6.281 1.462 1.0 2040900300173 6.355 1.429 1.0 2040900300174 6.430 1.404 1.0 2040900300175 6.507 1.390 1.0 2040900300176 6.585 1.360 0.9 2040900300177 6.664 1.359 0.9 2040900300178 6.745 1.351 0.9 2040900300179 6.828 1.340 0.9 2040900300180 6.912 1.316 0.9 2040900300181 6.997 1.309 0.9 2040900300182 7.085 1.284 0.8 2040900300183 7.173 1.277 0.8 2040900300184 7.264 1.289 0.8 2040900300185 7.356 1.293 0.8 2040900300186 7.450 1.282 0.8 2040900300187 7.546 1.272 0.8 2040900300188 7.643 1.268 0.8 2040900300189 7.743 1.263 0.7 2040900300190 7.845 1.258 0.7 2040900300191 7.948 1.277 0.7 2040900300192 8.054 1.266 0.7 2040900300193 8.162 1.272 0.7 2040900300194 8.272 1.274 0.7 2040900300195 8.384 1.261 0.7 2040900300196 8.498 1.256 0.7 2040900300197 8.615 1.265 0.7 2040900300198 8.735 1.262 0.6 2040900300199 8.857 1.270 0.6 2040900300200 8.981 1.271 0.6 2040900300201 9.108 1.274 0.6 2040900300202 9.238 1.279 0.6 2040900300203 9.371 1.290 0.6 2040900300204 9.506 1.293 0.6 2040900300205 9.645 1.301 0.6 2040900300206 9.786 1.292 0.6 2040900300207 9.931 1.288 0.6 2040900300208 10.079 1.289 0.5 2040900300209 10.230 1.304 0.5 2040900300210 10.385 1.306 0.5 2040900300211 10.543 1.302 0.5 2040900300212 10.705 1.298 0.5 2040900300213 10.871 1.295 0.5 2040900300214 11.041 1.300 0.5 2040900300215 11.214 1.297 0.5 2040900300216 11.392 1.295 0.5 2040900300217 11.574 1.280 0.5 2040900300218 11.761 1.271 0.5 2040900300219 11.952 1.259 0.4 2040900300220 12.148 1.250 0.4 2040900300221 12.349 1.232 0.4 2040900300222 12.555 1.211 0.4 2040900300223 12.766 1.190 0.4 2040900300224 12.982 1.179 0.4 2040900300225 13.204 1.177 0.4 2040900300226 13.432 1.141 0.4 2040900300227 13.666 1.138 0.4 2040900300228 13.906 1.139 0.4 2040900300229 14.153 1.129 0.4 2040900300230 14.406 1.128 0.4 2040900300231 14.666 1.129 0.4 2040900300232 14.933 1.138 0.4 2040900300233 15.208 1.151 0.4 2040900300234 15.490 1.148 0.4 2040900300235 15.781 1.153 0.4 2040900300236 16.079 1.161 0.4 2040900300237 16.387 1.166 0.4 2040900300238 16.703 1.173 0.4 2040900300239 17.029 1.183 0.4 2040900300240 17.364 1.190 0.4 2040900300241 17.709 1.200 0.4 2040900300242 18.065 1.209 0.4 2040900300243 18.432 1.225 0.4 2040900300244 18.810 1.219 0.4 2040900300245 19.201 1.230 0.4 2040900300246 19.603 1.214 0.4 2040900300247 20.019 1.211 0.4 2040900300248 20.448 1.211 0.4 2040900300249 20.891 1.211 0.5 2040900300250 ENDDATA 220 0 2040900300251 ENDSUBENT 250 0 2040900399999 ENDENTRY 3 0 2040999999999