ENTRY 41693 20200910 41894169300000001 SUBENT 41693001 20200910 41894169300100001 BIB 14 39 4169300100002 TITLE Mass and energy characteristics of products of 4169300100003 thermal-neutron fission of 239,241Pu 4169300100004 AUTHOR (A.D.Belyaev,Z.S.Bikbova,V.L.Gaishan,T.L.Gurvich, 4169300100005 V.I.Kogan,V.P.Pikul,A.M.Usmandiyarov,P.K.Khabibullaev) 4169300100006 REFERENCE (J,SNP,48,204,1988) Engl.translation of: 4169300100007 (J,YF,48,324,1988) 4169300100008 INSTITUTE (4UZ UZB) 4169300100009 INC-SPECT Thermal neutron spectrum of the reactor. 4169300100010 Cd ratio 25. 4169300100011 Thermal neutron flux in a reactor horizontal channel 4169300100012 8.E+12 neutrons/cm2/sec 4169300100013 FACILITY (REAC,4UZ UZB) WWR-SM reactor 4169300100014 METHOD (ASEP) Mass-spectrometric separation of the fission 4169300100015 fragments 4169300100016 DETECTOR (TRD) Glass track detectors placed at the focal plane 4169300100017 of the mass spectrometer. 4169300100018 . Mass spectrometer. 4169300100019 SAMPLE . Pu-239 was prepared by vacuum evaporation of Al 4169300100020 backing of 0.5 mm thickness. 4169300100021 Active layer 40x5 mm, thickness 100.+-5 mug/cm2. 4169300100022 Pu-239 content 98%. 4169300100023 . Pu-241 dioxide, prepared by chemical precipitation on4169300100024 Al backing of 05.5 mm thickness. 4169300100025 Sample thickness 275 +- 5 mug/cm2,41693001 25 4169300100026 Pu-241 content is (80.5+-0.1) % . 4169300100027 ERR-ANALYS (ERR-1,,2.) Uncertainty of relative yields measured. 4169300100028 (ERR-2,,0.05) Uncertainties of kinetic energy measured.4169300100029 .The width of the energy interval transmitted was 4169300100030 +-1.25% . 4169300100031 ANALYSIS The mass yields for fixed kinetic energy value were 4169300100032 determined as sum of distributions over all ionic 4169300100033 charges. 4169300100034 COMMENT Of authors. 4169300100035 Measurement: mass 129-151, Ek 63-87 MeV, 4169300100036 ionic charge q 17-28. Cd ratio 25. 4169300100037 REL-REF (N,41017001,A.D.Belyaev+,J,NIM/B,43,5,1989) 4169300100038 Measurement : mass 129-149, Ek 60-80 MeV, 4169300100039 ionic charge q 18-28. Cd ratio ~30. 4169300100040 HISTORY (20200910C) M.M. 4169300100041 ENDBIB 39 0 4169300100042 COMMON 1 3 4169300100043 EN-DUMMY 4169300100044 EV 4169300100045 0.0253 4169300100046 ENDCOMMON 3 0 4169300100047 ENDSUBENT 46 0 4169300199999 SUBENT 41693002 20200910 41894169300200001 BIB 4 8 4169300200002 REACTION (94-PU-241(N,F)MASS,SEC,FY/DE,,MXW/REL) 4169300200003 Units are % . Normalized to 100% for each E. 4169300200004 EN-SEC (E,HF) Kinetic energy of heavy fragment. 4169300200005 ERR-ANALYS . Quantization error (1/2 pixel): 4169300200006 scale X - 0.034 a.m.u., scale Y - 0.033 arb.units. 4169300200007 (DATA-ERR) Type of uncertainty is not explained in the 4169300200008 article. 4169300200009 STATUS (CURVE) Fig.1 of Sov.Nucl.Phys.,v.48,p.204,1988 4169300200010 ENDBIB 8 0 4169300200011 COMMON 2 3 4169300200012 MASS-ERR-D ERR-DIG 4169300200013 NO-DIM ARB-UNITS 4169300200014 0.011 0.015 4169300200015 ENDCOMMON 3 0 4169300200016 DATA 4 126 4169300200017 E MASS DATA DATA-ERR 4169300200018 MEV NO-DIM ARB-UNITS ARB-UNITS 4169300200019 63.0 132.03 0.465 4169300200020 63.0 132.97 0.922 4169300200021 63.0 133.91 1.899 0.585 4169300200022 63.0 134.98 2.746 0.844 4169300200023 63.0 135.98 3.787 0.974 4169300200024 63.0 137.05 5.868 1.039 4169300200025 63.0 137.98 8.533 1.039 4169300200026 63.0 139.07 5.159 0.844 4169300200027 63.0 139.87 7.369 0.779 4169300200028 63.0 141.01 8.281 0.909 4169300200029 63.0 141.95 7.310 0.844 4169300200030 63.0 142.95 10.364 0.909 4169300200031 63.0 143.96 6.341 1.104 4169300200032 63.0 145.04 7.058 0.909 4169300200033 63.0 145.98 6.476 1.039 4169300200034 63.0 146.98 6.219 1.039 4169300200035 63.0 147.99 4.988 1.104 4169300200036 63.0 149.01 3.432 4169300200037 63.0 150.02 2.007 4169300200038 63.0 151.03 0.775 4169300200039 65.5 131.94 0.718 4169300200040 65.5 132.94 1.234 4169300200041 65.5 133.95 1.943 4169300200042 65.5 134.95 2.651 0.770 4169300200043 65.5 136.09 3.809 0.897 4169300200044 65.5 137.02 5.543 4169300200045 65.5 137.95 7.341 0.962 4169300200046 65.5 139.03 6.703 0.705 4169300200047 65.5 139.96 8.694 0.897 4169300200048 65.5 140.97 9.210 0.834 4169300200049 65.5 141.98 7.354 1.090 4169300200050 65.5 143.05 8.704 1.218 4169300200051 65.5 144.06 6.720 1.346 4169300200052 65.5 145.07 7.942 1.410 4169300200053 65.5 145.94 6.983 0.961 4169300200054 65.5 146.95 5.127 1.026 4169300200055 65.5 147.97 3.977 0.897 4169300200056 65.5 149.04 2.635 4169300200057 65.5 149.99 1.420 4169300200058 65.5 151.00 0.654 4169300200059 70.0 131.04 0.668 4169300200060 70.0 131.91 1.197 4169300200061 70.0 132.98 2.188 4169300200062 70.0 133.98 3.244 4169300200063 70.0 134.98 5.287 0.789 4169300200064 70.0 135.98 7.264 0.855 4169300200065 70.0 136.98 9.636 1.118 4169300200066 70.0 137.98 10.494 0.855 4169300200067 70.0 138.99 9.248 0.790 4169300200068 70.0 139.99 10.501 0.855 4169300200069 70.0 140.94 9.189 0.855 4169300200070 70.0 141.95 7.876 0.921 4169300200071 70.0 143.02 7.551 0.921 4169300200072 70.0 143.97 5.647 0.987 4169300200073 70.0 144.98 4.269 0.921 4169300200074 70.0 145.99 2.825 0.921 4169300200075 70.0 146.94 1.775 4169300200076 70.0 147.95 1.121 4169300200077 70.0 149.02 0.598 4169300200078 73.1 130.08 0.524 4169300200079 73.1 131.02 0.858 4169300200080 73.1 132.09 1.722 0.662 4169300200081 73.1 133.10 3.381 0.530 4169300200082 73.1 134.10 4.642 0.596 4169300200083 73.1 135.10 6.698 0.729 4169300200084 73.1 136.17 8.290 0.861 4169300200085 73.1 137.10 10.478 0.993 4169300200086 73.1 138.11 11.077 4169300200087 73.1 139.05 10.086 0.795 4169300200088 73.1 139.99 9.957 1.060 4169300200089 73.1 141.00 8.105 0.728 4169300200090 73.1 142.01 6.982 0.927 4169300200091 73.1 143.02 5.131 0.728 4169300200092 73.1 143.97 4.140 0.994 4169300200093 73.1 144.98 2.752 0.927 4169300200094 73.1 146.05 1.762 0.795 4169300200095 73.1 147.06 1.103 4169300200096 73.1 148.00 0.509 4169300200097 77.3 128.93 0.660 4169300200098 77.3 130.00 1.575 4169300200099 77.3 131.06 2.685 4169300200100 77.3 131.98 4.119 0.584 4169300200101 77.3 132.97 6.073 0.909 4169300200102 77.3 133.96 8.221 0.844 4169300200103 77.3 134.82 10.564 0.649 4169300200104 77.3 135.96 9.402 0.909 4169300200105 77.3 136.88 11.420 0.909 4169300200106 77.3 137.96 9.608 0.715 4169300200107 77.3 139.04 8.120 0.649 4169300200108 77.3 139.91 7.866 0.714 4169300200109 77.3 140.92 5.534 0.845 4169300200110 77.3 141.86 4.630 4169300200111 77.3 142.94 3.337 4169300200112 77.3 143.94 2.304 4169300200113 77.3 144.88 1.595 4169300200114 77.3 145.89 0.951 4169300200115 77.3 147.03 0.568 4169300200116 80.0 129.02 0.725 4169300200117 80.0 129.95 1.510 4169300200118 80.0 131.01 2.750 4169300200119 80.0 132.00 4.509 0.649 4169300200120 80.0 132.99 7.436 0.779 4169300200121 80.0 133.96 11.598 0.974 4169300200122 80.0 134.93 17.253 0.714 4169300200123 80.0 135.86 17.063 0.779 4169300200124 80.0 136.89 12.589 0.909 4169300200125 80.0 137.92 9.023 0.909 4169300200126 80.0 138.93 6.821 0.779 4169300200127 80.0 139.81 3.969 0.714 4169300200128 80.0 140.96 2.287 0.974 4169300200129 80.0 141.90 1.513 4169300200130 80.0 142.84 0.934 4169300200131 83.5 128.87 0.593 4169300200132 83.5 129.80 1.784 4169300200133 83.5 130.98 3.833 4169300200134 83.5 131.96 6.406 0.790 4169300200135 83.5 132.87 9.768 0.658 4169300200136 83.5 133.98 13.329 0.724 4169300200137 83.5 134.82 16.625 0.855 4169300200138 83.5 135.89 15.844 0.723 4169300200139 83.5 136.86 11.773 0.789 4169300200140 83.5 137.89 7.505 0.724 4169300200141 83.5 138.84 5.736 0.724 4169300200142 83.5 139.86 3.179 0.724 4169300200143 83.5 140.87 2.068 4169300200144 83.5 141.88 1.089 4169300200145 ENDDATA 128 0 4169300200146 ENDSUBENT 145 0 4169300299999 SUBENT 41693003 20200910 41894169300300001 BIB 3 7 4169300300002 REACTION (94-PU-241(N,F)MASS,SEC,FY,,MXW/MSC) 4169300300003 Units are % . Normalized to 100% for each TKE. 4169300300004 ERR-ANALYS . Quantization error (1/2 pixel): 4169300300005 scale X - 0.039 a.m.u., scale Y - 0.020 arb.units. 4169300300006 (DATA-ERR) Type of uncertainty is not explained in the 4169300300007 article. 4169300300008 STATUS (CURVE) Fig.2 of Sov.Nucl.Phys.,v.48,p.204,1988 4169300300009 ENDBIB 7 0 4169300300010 COMMON 2 3 4169300300011 MASS-ERR-D ERR-DIG 4169300300012 NO-DIM ARB-UNITS 4169300300013 0.017 0.083 4169300300014 ENDCOMMON 3 0 4169300300015 DATA 4 171 4169300300016 TKE MASS DATA DATA-ERR 4169300300017 MEV NO-DIM ARB-UNITS ARB-UNITS 4169300300018 160. 130.83 0.745 4169300300019 160. 131.91 1.099 0.350 4169300300020 160. 132.89 2.191 0.389 4169300300021 160. 133.97 2.468 0.466 4169300300022 160. 134.88 3.521 0.466 4169300300023 160. 135.86 5.001 0.506 4169300300024 160. 136.92 6.132 0.428 4169300300025 160. 138.06 7.186 0.349 4169300300026 160. 138.93 6.414 0.389 4169300300027 160. 139.98 8.166 0.388 4169300300028 160. 141.05 8.948 0.388 4169300300029 160. 142.00 7.477 0.427 4169300300030 160. 143.07 8.569 0.388 4169300300031 160. 143.96 6.360 0.389 4169300300032 160. 144.96 6.597 0.389 4169300300033 160. 145.97 6.253 0.388 4169300300034 160. 146.93 5.014 0.466 4169300300035 160. 147.88 3.815 0.388 4169300300036 160. 148.92 2.111 4169300300037 160. 149.86 1.223 4169300300038 160. 151.03 0.607 4169300300039 165. 129.89 0.451 4169300300040 165. 130.96 1.090 4169300300041 165. 131.96 1.689 0.396 4169300300042 165. 133.02 2.842 0.396 4169300300043 165. 134.02 3.045 0.475 4169300300044 165. 135.01 4.040 0.475 4169300300045 165. 135.91 5.787 0.476 4169300300046 165. 136.89 6.821 0.436 4169300300047 165. 138.13 7.105 0.436 4169300300048 165. 138.99 6.515 0.396 4169300300049 165. 139.90 7.232 0.357 4169300300050 165. 141.00 6.762 0.357 4169300300051 165. 142.01 6.371 0.317 4169300300052 165. 143.00 7.049 0.356 4169300300053 165. 144.02 6.420 0.317 4169300300054 165. 145.02 6.702 0.317 4169300300055 165. 146.02 7.063 0.396 4169300300056 165. 146.99 5.167 0.515 4169300300057 165. 147.93 4.261 0.396 4169300300058 165. 148.81 2.523 4169300300059 165. 149.92 1.379 4169300300060 165. 150.94 0.711 4169300300061 170. 128.95 0.398 4169300300062 170. 130.03 0.797 4169300300063 170. 131.02 1.746 4169300300064 170. 132.01 2.420 4169300300065 170. 132.92 3.645 0.433 4169300300066 170. 134.00 4.122 4169300300067 170. 134.98 5.386 4169300300068 170. 136.12 6.573 4169300300069 170. 137.03 7.719 0.433 4169300300070 170. 138.03 7.920 0.355 4169300300071 170. 138.97 7.216 0.394 4169300300072 170. 140.06 6.906 4169300300073 170. 141.00 6.320 4169300300074 170. 142.02 5.655 0.394 4169300300075 170. 143.03 5.542 4169300300076 170. 143.96 5.388 4169300300077 170. 145.05 4.842 0.394 4169300300078 170. 145.97 5.279 0.354 4169300300079 170. 147.00 4.221 0.433 4169300300080 170. 148.01 3.990 0.512 4169300300081 170. 149.04 2.302 4169300300082 170. 149.99 1.282 4169300300083 170. 151.01 0.696 4169300300084 175. 129.05 0.476 4169300300085 175. 130.12 1.032 4169300300086 175. 131.11 2.177 4169300300087 175. 132.03 3.244 4169300300088 175. 133.09 4.468 4169300300089 175. 134.01 5.299 4169300300090 175. 135.07 6.720 0.472 4169300300091 175. 136.14 7.630 0.354 4169300300092 175. 137.13 8.933 0.354 4169300300093 175. 138.06 8.621 0.394 4169300300094 175. 139.07 8.192 0.433 4169300300095 175. 140.09 7.606 4169300300096 175. 141.11 6.586 4169300300097 175. 142.12 5.999 4169300300098 175. 143.07 4.979 4169300300099 175. 144.01 4.117 4169300300100 175. 144.95 3.254 0.355 4169300300101 175. 145.97 2.707 0.394 4169300300102 175. 146.97 2.514 0.394 4169300300103 175. 148.06 2.243 0.433 4169300300104 175. 149.01 1.144 0.433 4169300300105 175. 150.02 0.636 4169300300106 175. 150.95 0.403 4169300300107 180. 129.07 0.395 4169300300108 180. 130.06 1.182 4169300300109 180. 130.97 2.439 4169300300110 180. 131.96 3.893 4169300300111 180. 133.02 5.229 0.510 4169300300112 180. 133.85 6.526 0.627 4169300300113 180. 134.91 8.058 0.706 4169300300114 180. 135.98 8.689 0.706 4169300300115 180. 137.04 9.947 0.706 4169300300116 180. 138.06 8.773 0.588 4169300300117 180. 138.98 8.932 0.471 4169300300118 180. 139.90 8.778 0.392 4169300300119 180. 141.16 6.782 0.471 4169300300120 180. 142.01 6.157 0.431 4169300300121 180. 143.02 4.748 0.510 4169300300122 180. 144.03 4.202 0.353 4169300300123 180. 145.05 2.754 0.314 4169300300124 180. 146.05 2.286 0.353 4169300300125 180. 146.98 1.661 4169300300126 180. 148.06 1.351 4169300300127 180. 148.99 1.001 4169300300128 180. 149.99 0.807 4169300300129 180. 151.07 0.536 4169300300130 185. 128.93 0.434 4169300300131 185. 130.01 0.751 4169300300132 185. 130.99 1.931 4169300300133 185. 131.97 3.542 4169300300134 185. 133.02 5.780 0.549 4169300300135 185. 133.99 7.823 0.667 4169300300136 185. 134.97 9.669 0.549 4169300300137 185. 136.05 9.908 0.549 4169300300138 185. 137.12 10.186 0.510 4169300300139 185. 138.08 7.130 0.588 4169300300140 185. 139.08 7.486 0.510 4169300300141 185. 139.98 8.901 0.471 4169300300142 185. 141.08 6.944 0.471 4169300300143 185. 142.01 6.398 0.392 4169300300144 185. 142.80 4.988 0.471 4169300300145 185. 144.04 3.777 0.392 4169300300146 185. 145.06 2.486 0.471 4169300300147 185. 145.99 1.979 0.353 4169300300148 185. 147.08 1.238 4169300300149 185. 148.01 0.770 4169300300150 185. 149.09 0.421 4169300300151 190. 128.96 0.313 4169300300152 190. 130.04 0.553 4169300300153 190. 131.03 1.229 4169300300154 190. 132.00 3.569 4169300300155 190. 133.06 5.908 0.634 4169300300156 190. 134.03 8.644 0.634 4169300300157 190. 135.14 12.211 0.752 4169300300158 190. 136.06 12.293 0.713 4169300300159 190. 137.01 10.553 0.634 4169300300160 190. 138.12 6.794 0.515 4169300300161 190. 139.06 5.490 0.356 4169300300162 190. 140.20 6.444 0.356 4169300300163 190. 141.12 6.803 0.356 4169300300164 190. 142.05 6.449 0.436 4169300300165 190. 143.06 5.106 0.475 4169300300166 190. 144.08 3.366 0.515 4169300300167 190. 145.10 2.181 0.396 4169300300168 190. 146.10 1.590 4169300300169 190. 147.11 0.999 4169300300170 190. 148.04 0.447 4169300300171 195. 131.03 0.922 4169300300172 195. 132.01 2.711 4169300300173 195. 133.05 5.214 0.714 4169300300174 195. 134.08 9.027 0.595 4169300300175 195. 135.05 11.570 0.595 4169300300176 195. 136.05 12.129 4169300300177 195. 137.22 10.347 0.516 4169300300178 195. 138.03 7.255 0.595 4169300300179 195. 139.04 6.068 0.436 4169300300180 195. 139.99 4.602 0.556 4169300300181 195. 141.13 5.519 0.674 4169300300182 195. 142.05 5.403 0.397 4169300300183 195. 142.98 5.049 0.357 4169300300184 195. 144.08 3.267 0.556 4169300300185 195. 145.09 2.040 4169300300186 195. 146.18 1.409 4169300300187 195. 147.04 0.578 4169300300188 195. 148.04 0.185 4169300300189 ENDDATA 173 0 4169300300190 ENDSUBENT 189 0 4169300399999 SUBENT 41693004 20200910 41894169300400001 BIB 5 8 4169300400002 REACTION 1(94-PU-241(N,F)MASS,SEC,KE,,MXW) HF kin.energy 4169300400003 2(94-PU-241(N,F)MASS,SEC,KE,LF+HF,MXW,DERIV) 4169300400004 MISC-COL (MISC) Half-width of energy distribution 4169300400005 ANALYSIS 2 Total kinetic energy was determined by formulas (2) 4169300400006 and (3) using average NU=2.93 prt/fis for Pu-241. 4169300400007 ERR-ANALYS . Quantization errors (1/2 pixel): 4169300400008 scale X - 0.026 a.m.u., scale Y - 0.025 MeV 4169300400009 STATUS (CURVE) Fig.4 of Sov.Nucl.Phys.,v.48,p.204,1988 4169300400010 ENDBIB 8 0 4169300400011 COMMON 2 3 4169300400012 MASS-ERR-D ERR-DIG 4169300400013 NO-DIM MEV 4169300400014 0.012 0.015 4169300400015 ENDCOMMON 3 0 4169300400016 DATA 5 21 4169300400017 MASS DATA 1MISC 1DATA 2MISC 2 4169300400018 NO-DIM MEV MEV MEV MEV 4169300400019 129. 79.644 8.998 171.96 13.856 4169300400020 130. 79.835 9.342 173.27 17.778 4169300400021 131. 79.978 10.060 175.11 20.812 4169300400022 132. 79.920 11.500 177.21 21.977 4169300400023 133. 79.614 13.687 178.86 29.840 4169300400024 134. 79.060 14.007 181.68 29.920 4169300400025 135. 78.603 15.123 182.21 44.776 4169300400026 136. 76.358 14.695 178.10 50.278 4169300400027 137. 73.316 15.812 172.29 52.029 4169300400028 138. 70.621 15.211 168.23 49.450 4169300400029 139. 70.962 15.231 170.57 39.974 4169300400030 140. 70.507 15.651 171.34 43.601 4169300400031 141. 68.708 14.749 168.80 35.897 4169300400032 142. 68.950 14.148 170.55 37.848 4169300400033 143. 66.256 12.798 166.00 31.032 4169300400034 144. 65.999 10.504 166.68 23.824 4169300400035 145. 65.146 9.453 166.48 20.057 4169300400036 146. 64.990 8.627 167.83 17.973 4169300400037 147. 64.534 8.573 168.27 14.012 4169300400038 148. 63.731 7.971 167.38 12.025 4169300400039 149. 63.275 7.842 166.69 10.921 4169300400040 ENDDATA 23 0 4169300400041 ENDSUBENT 40 0 4169300499999 SUBENT 41693005 20200910 41894169300500001 BIB 4 6 4169300500002 REACTION 1(94-PU-239(N,F)MASS,SEC,KE,,MXW) HF kin.energy 4169300500003 2(94-PU-239(N,F)MASS,SEC,KE,LF+HF,MXW,DERIV) 4169300500004 MISC-COL (MISC) Half-width of energy distribution 4169300500005 ANALYSIS 2 Total kinetic energy was determined by formulas (2) 4169300500006 and (3). 4169300500007 STATUS (CURVE) Fig.4 of Sov.Nucl.Phys.,v.48,p.204,1988 4169300500008 ENDBIB 6 0 4169300500009 NOCOMMON 0 0 4169300500010 DATA 5 21 4169300500011 MASS DATA 1MISC 1DATA 2MISC 2 4169300500012 NO-DIM MEV MEV MEV MEV 4169300500013 129. 80.539 8.698 172.45 10.802 4169300500014 130. 80.631 9.018 173.85 13.838 4169300500015 131. 80.624 9.637 175.70 18.940 4169300500016 132. 80.566 10.902 177.79 20.696 4169300500017 133. 80.410 12.517 179.93 25.703 4169300500018 134. 80.204 12.937 182.46 28.835 4169300500019 135. 79.350 13.356 182.89 31.971 4169300500020 136. 77.054 11.010 181.57 29.783 4169300500021 137. 75.703 12.126 181.51 30.947 4169300500022 138. 75.596 12.446 179.65 30.928 4169300500023 139. 74.643 12.044 180.32 27.855 4169300500024 140. 72.397 12.388 178.32 24.291 4169300500025 141. 71.445 12.035 176.36 23.484 4169300500026 142. 70.193 9.465 177.33 20.017 4169300500027 143. 70.087 10.209 176.25 18.028 4169300500028 144. 69.383 10.180 176.19 16.237 4169300500029 145. 68.579 9.803 175.79 12.571 4169300500030 146. 67.725 9.225 175.35 11.175 4169300500031 147. 66.873 8.847 174.75 9.874 4169300500032 148. 65.472 8.369 174.06 7.196 4169300500033 149. 64.022 8.340 172.93 6.492 4169300500034 ENDDATA 23 0 4169300500035 ENDSUBENT 34 0 4169300599999 ENDENTRY 5 0 4169399999999