ENTRY 23597 20210323 22992359700000001 SUBENT 23597001 20210323 22992359700100001 BIB 9 17 2359700100002 TITLE A method of nondestructive measurement of the absolute2359700100003 cumulative barium-140 yield of uranium irradiated in 2359700100004 thermal and fast neutron spectra 2359700100005 AUTHOR (W.Krappel,H.Seufert,D.Stegemann) 2359700100006 REFERENCE (J,NT,12,226,1971) 2359700100007 INSTITUTE (2GERKFK) 2359700100008 FACILITY (REAC,2GERKFK) STARK zero power reactor. 2359700100009 SAMPLE U foils of different isotopic content. 2359700100010 Diameter 1 inch. 2359700100011 DETECTOR (GELI) Calibrated by irradiation of La(2)O(3) foil 2359700100012 (La-139 isotopic abundance 99.911 %) and 2PI beta 2359700100013 measurement. To measure gamma spectra. 2359700100014 (FISCH) Parallel plate chamber to measure fission rate.2359700100015 METHOD (ACTIV) 5 hr irradiation in thermal column, 130 hr 2359700100016 cooling. 2359700100017 (GSPEC) 2359700100018 HISTORY (20210323C) M.M. 2359700100019 ENDBIB 17 0 2359700100020 NOCOMMON 0 0 2359700100021 ENDSUBENT 20 0 2359700199999 SUBENT 23597002 20210323 22992359700200001 BIB 7 10 2359700200002 REACTION (92-U-235(N,F)56-BA-140,CUM,FY,,MXW) 2359700200003 INC-SOURCE (THCOL) 2359700200004 SAMPLE 19.86% enriched in U-235 sample of 0.2 g/cm2 for . 2359700200005 INC-SPECT Cd ratio 10000. 2359700200006 DECAY-DATA (56-BA-140,12.8D,DG,1596.5) 2359700200007 ERR-ANALYS (DATA-ERR) Relative error (2.3%) is mainly due to the 2359700200008 inaccuracy of the absolute U-235 fission rate 2359700200009 determination. 2359700200010 STATUS (TABLE) Table 3 of 2359700200011 J. Nuclear Technology,v.12,p.226,1971 2359700200012 ENDBIB 10 0 2359700200013 COMMON 1 3 2359700200014 EN-DUMMY 2359700200015 EV 2359700200016 0.0253 2359700200017 ENDCOMMON 3 0 2359700200018 DATA 3 1 2359700200019 DATA DATA-ERR DATA-ERR 2359700200020 PC/FIS PC/FIS PER-CENT 2359700200021 6.29 0.14 2.3 2359700200022 ENDDATA 3 0 2359700200023 ENDSUBENT 22 0 2359700299999 SUBENT 23597003 20210323 22992359700300001 BIB 7 11 2359700300002 REACTION (92-U-235(N,F)56-BA-140,CUM,FY,,SPA) 2359700300003 INC-SOURCE (REAC) Center of core, charge 5. 2359700300004 INC-SPECT Fast reactor spectrum is presented on Fig.7 - measured2359700300005 by H2 and CH(4) counters and calculated . 2359700300006 DECAY-DATA (56-BA-140,12.8D,DG,1596.5) 2359700300007 SAMPLE 19.86 % and 0.4% enrichment in U-235. Three U foils. 2359700300008 ERR-ANALYS (DATA-ERR) Depends on uncertainties of absolute fission2359700300009 rates, response probability of gamma detector. 2359700300010 STATUS (TABLE) Table 3 of 2359700300011 J. Nuclear Technology,v.12,p.226,1971 2359700300012 (SUPPL,23597005) Fast neutron spectrum 2359700300013 ENDBIB 11 0 2359700300014 COMMON 1 3 2359700300015 EN-DUMMY 2359700300016 MEV 2359700300017 0.5 2359700300018 ENDCOMMON 3 0 2359700300019 DATA 3 1 2359700300020 DATA DATA-ERR DATA-ERR 2359700300021 PC/FIS PC/FIS PER-CENT 2359700300022 6.10 0.25 4.1 2359700300023 ENDDATA 3 0 2359700300024 ENDSUBENT 23 0 2359700399999 SUBENT 23597004 20210323 22992359700400001 BIB 7 11 2359700400002 REACTION (92-U-238(N,F)56-BA-140,CUM,FY,,SPA) 2359700400003 INC-SOURCE (REAC) Center of core, charge 5. 2359700400004 INC-SPECT Fast reactor spectrum is presented on Fig.7 - measured2359700400005 by H2 and CH(4) counters and calculated . 2359700400006 DECAY-DATA (56-BA-140,12.8D,DG,1596.5) 2359700400007 SAMPLE 19.86 % and 0.4% enrichment in U-235. Three U foils. 2359700400008 ERR-ANALYS (DATA-ERR) Depends on uncertainties of absolute fission2359700400009 rates, response probability of gamma detector. 2359700400010 STATUS (TABLE) Table 3 of 2359700400011 J. Nuclear Technology,v.12,p.226,1971 2359700400012 (SUPPL,23597005) Fast neutron spectrum 2359700400013 ENDBIB 11 0 2359700400014 COMMON 1 3 2359700400015 EN-DUMMY 2359700400016 MEV 2359700400017 0.5 2359700400018 ENDCOMMON 3 0 2359700400019 DATA 3 1 2359700400020 DATA DATA-ERR DATA-ERR 2359700400021 PC/FIS PC/FIS PER-CENT 2359700400022 6.34 0.41 6.5 2359700400023 ENDDATA 3 0 2359700400024 ENDSUBENT 23 0 2359700499999 SUBENT 23597005 20210323 22992359700500001 BIB 2 238 2359700500002 SUPPL-INF (INCSP) STARK reactor, center of core, loading 5, 2359700500003 position 19. 2359700500004 Fast reactor neutron spectrum (neutrons per energy 2359700500005 interval) is presented on Fig.7 - 2359700500006 measured (points) by H2 and CH(4) counters. 2359700500007 En(keV) Spectrum(neutrons per energy interval) 2359700500008 3.2888E+01 188.70 2359700500009 3.4088E+01 185.53 2359700500010 3.4832E+01 169.63 2359700500011 3.5590E+01 161.68 2359700500012 3.6106E+01 148.96 2359700500013 3.7158E+01 141.01 2359700500014 3.7697E+01 129.88 2359700500015 3.9069E+01 139.43 2359700500016 3.9354E+01 120.34 2359700500017 4.0491E+01 147.40 2359700500018 4.1969E+01 142.64 2359700500019 4.2266E+01 158.55 2359700500020 4.3496E+01 152.20 2359700500021 4.4438E+01 163.34 2359700500022 4.6046E+01 206.31 2359700500023 4.7386E+01 199.96 2359700500024 4.7719E+01 223.82 2359700500025 4.9109E+01 214.29 2359700500026 4.9458E+01 227.02 2359700500027 5.1260E+01 233.39 2359700500028 5.1997E+01 239.76 2359700500029 5.3130E+01 230.22 2359700500030 5.5061E+01 246.14 2359700500031 5.5066E+01 231.82 2359700500032 5.6264E+01 227.06 2359700500033 5.6657E+01 258.88 2359700500034 5.8307E+01 249.34 2359700500035 5.9143E+01 265.26 2359700500036 5.9994E+01 270.04 2359700500037 6.1294E+01 278.00 2359700500038 6.2169E+01 301.87 2359700500039 6.3072E+01 287.56 2359700500040 6.4434E+01 306.65 2359700500041 6.5357E+01 322.57 2359700500042 6.6297E+01 328.94 2359700500043 6.7252E+01 333.72 2359700500044 6.9208E+01 328.95 2359700500045 6.9709E+01 321.00 2359700500046 7.0708E+01 336.91 2359700500047 7.0717E+01 316.23 2359700500048 7.1732E+01 328.96 2359700500049 7.2241E+01 343.29 2359700500050 7.3280E+01 349.65 2359700500051 7.4341E+01 341.70 2359700500052 7.4870E+01 354.43 2359700500053 7.5939E+01 376.71 2359700500054 7.5944E+01 367.17 2359700500055 7.7583E+01 387.86 2359700500056 7.8706E+01 379.91 2359700500057 7.9835E+01 394.23 2359700500058 8.1577E+01 378.33 2359700500059 8.2756E+01 373.56 2359700500060 8.3356E+01 364.01 2359700500061 8.3363E+01 351.29 2359700500062 8.4570E+01 343.34 2359700500063 8.5182E+01 336.97 2359700500064 8.6426E+01 309.93 2359700500065 8.7035E+01 330.62 2359700500066 8.7680E+01 297.21 2359700500067 8.9585E+01 295.62 2359700500068 8.9594E+01 279.71 2359700500069 9.2855E+01 289.27 2359700500070 9.2864E+01 274.95 2359700500071 9.4200E+01 281.32 2359700500072 9.4884E+01 270.18 2359700500073 9.5560E+01 279.73 2359700500074 9.6943E+01 273.37 2359700500075 9.7627E+01 294.06 2359700500076 9.9754E+01 282.93 2359700500077 1.0046E+02 297.25 2359700500078 1.0117E+02 325.89 2359700500079 1.0191E+02 292.48 2359700500080 1.0337E+02 314.76 2359700500081 1.0338E+02 305.21 2359700500082 1.0485E+02 332.27 2359700500083 1.0560E+02 341.81 2359700500084 1.0561E+02 321.13 2359700500085 1.0635E+02 352.95 2359700500086 1.0864E+02 383.19 2359700500087 1.0865E+02 359.33 2359700500088 1.1020E+02 389.56 2359700500089 1.1179E+02 394.34 2359700500090 1.1260E+02 381.61 2359700500091 1.1339E+02 407.07 2359700500092 1.1423E+02 368.89 2359700500093 1.1503E+02 399.12 2359700500094 1.1584E+02 424.58 2359700500095 1.1585E+02 407.08 2359700500096 1.1836E+02 419.81 2359700500097 1.1920E+02 430.95 2359700500098 1.2092E+02 435.73 2359700500099 1.2094E+02 403.91 2359700500100 1.2266E+02 442.10 2359700500101 1.2532E+02 451.65 2359700500102 1.2623E+02 440.52 2359700500103 1.2804E+02 446.89 2359700500104 1.2896E+02 453.25 2359700500105 1.3081E+02 465.99 2359700500106 1.3081E+02 458.03 2359700500107 1.3363E+02 481.90 2359700500108 1.3364E+02 473.95 2359700500109 1.3652E+02 496.23 2359700500110 1.3653E+02 486.68 2359700500111 1.3851E+02 478.73 2359700500112 1.3949E+02 496.24 2359700500113 1.3950E+02 485.10 2359700500114 1.4052E+02 470.78 2359700500115 1.4356E+02 478.74 2359700500116 1.4458E+02 493.07 2359700500117 1.4460E+02 469.20 2359700500118 1.4670E+02 458.07 2359700500119 1.4773E+02 477.16 2359700500120 1.4777E+02 434.20 2359700500121 1.4882E+02 448.52 2359700500122 1.5100E+02 416.71 2359700500123 1.5206E+02 445.35 2359700500124 1.5207E+02 438.98 2359700500125 1.5317E+02 423.08 2359700500126 1.5320E+02 400.80 2359700500127 1.5762E+02 424.68 2359700500128 1.5991E+02 415.13 2359700500129 1.5992E+02 404.00 2359700500130 1.6340E+02 394.46 2359700500131 1.6572E+02 435.83 2359700500132 1.6573E+02 423.10 2359700500133 1.6690E+02 442.20 2359700500134 1.6809E+02 454.93 2359700500135 1.6811E+02 432.65 2359700500136 1.7052E+02 448.57 2359700500137 1.7423E+02 439.03 2359700500138 1.7545E+02 474.03 2359700500139 1.7673E+02 451.76 2359700500140 1.7799E+02 467.67 2359700500141 1.7924E+02 493.13 2359700500142 1.8054E+02 483.59 2359700500143 1.8312E+02 499.50 2359700500144 1.8313E+02 493.14 2359700500145 1.8315E+02 475.64 2359700500146 1.8709E+02 507.47 2359700500147 1.8840E+02 534.52 2359700500148 1.8842E+02 515.42 2359700500149 1.9114E+02 518.61 2359700500150 1.9387E+02 540.89 2359700500151 1.9669E+02 524.98 2359700500152 1.9807E+02 547.26 2359700500153 2.0097E+02 518.63 2359700500154 2.0237E+02 550.45 2359700500155 2.0827E+02 540.91 2359700500156 2.1128E+02 536.14 2359700500157 2.1897E+02 540.93 2359700500158 2.1898E+02 534.56 2359700500159 2.2212E+02 550.48 2359700500160 2.2531E+02 560.03 2359700500161 2.3018E+02 577.54 2359700500162 2.3348E+02 588.68 2359700500163 2.3853E+02 604.60 2359700500164 2.4023E+02 614.15 2359700500165 2.4368E+02 625.29 2359700500166 2.4540E+02 642.79 2359700500167 2.5008E+02 653.95 2359700500168 2.5250E+02 661.90 2359700500169 2.5435E+02 645.99 2359700500170 2.5792E+02 703.27 2359700500171 2.6919E+02 738.29 2359700500172 2.7302E+02 766.93 2359700500173 2.7896E+02 760.57 2359700500174 2.8912E+02 766.95 2359700500175 2.9122E+02 754.22 2359700500176 3.0183E+02 759.01 2359700500177 3.0622E+02 743.10 2359700500178 3.1738E+02 747.89 2359700500179 3.2892E+02 759.03 2359700500180 3.4335E+02 767.00 2359700500181 3.5331E+02 776.56 2359700500182 3.6097E+02 782.93 2359700500183 3.6355E+02 787.71 2359700500184 3.7145E+02 786.12 2359700500185 3.8500E+02 782.95 2359700500186 4.0197E+02 760.69 2359700500187 4.1667E+02 744.79 2359700500188 4.1969E+02 735.25 2359700500189 4.2273E+02 725.70 2359700500190 4.3193E+02 719.34 2359700500191 4.4129E+02 727.31 2359700500192 4.5089E+02 720.95 2359700500193 4.6734E+02 719.37 2359700500194 4.6737E+02 706.64 2359700500195 4.7749E+02 719.38 2359700500196 4.8089E+02 728.92 2359700500197 4.8780E+02 738.47 2359700500198 4.9487E+02 728.93 2359700500199 4.9837E+02 746.44 2359700500200 5.0192E+02 757.58 2359700500201 5.1649E+02 762.36 2359700500202 5.2397E+02 752.82 2359700500203 5.3917E+02 760.78 2359700500204 5.4697E+02 754.42 2359700500205 5.4700E+02 748.06 2359700500206 5.5490E+02 744.88 2359700500207 5.5893E+02 732.15 2359700500208 5.6692E+02 752.84 2359700500209 5.6703E+02 724.20 2359700500210 5.8346E+02 736.94 2359700500211 6.0047E+02 724.22 2359700500212 6.2239E+02 716.28 2359700500213 6.4975E+02 709.93 2359700500214 6.6868E+02 700.39 2359700500215 6.8325E+02 689.26 2359700500216 6.9815E+02 676.54 2359700500217 7.3426E+02 630.41 2359700500218 7.6114E+02 608.15 2359700500219 7.7781E+02 581.11 2359700500220 8.0063E+02 539.75 2359700500221 8.2398E+02 523.84 2359700500222 8.4199E+02 503.17 2359700500223 8.5426E+02 480.90 2359700500224 8.7291E+02 463.40 2359700500225 8.8561E+02 444.31 2359700500226 9.0491E+02 433.18 2359700500227 9.3797E+02 423.65 2359700500228 9.4476E+02 415.69 2359700500229 9.7227E+02 406.16 2359700500230 Calculated (dash line): 2359700500231 En-min/max(keV) Spectrum(neutrons per energy interval)2359700500232 22. 47. 176.00 2359700500233 47. 100. 312.32 2359700500234 100. 200. 463.75 2359700500235 200. 400. 644.59 2359700500236 400. 800. 657.57 2359700500237 800. 1400. 435.06 2359700500238 STATUS (CURVE) Fig.7 of 2359700500239 J. Nuclear Technology,v.12,p.226,1971 2359700500240 ENDBIB 238 0 2359700500241 NOCOMMON 0 0 2359700500242 NODATA 0 0 2359700500243 ENDSUBENT 242 0 2359700599999 ENDENTRY 5 0 2359799999999