ENTRY 40231 20121126 41594023100000001 SUBENT 40231001 20121126 41594023100100001 BIB 15 42 4023100100002 INSTITUTE (4RUSFEI) 4023100100003 REFERENCE (R,FEI-678,197604) 4023100100004 AUTHOR (E.Ya.Doil'nitsyn, A.I.Stupak, G.A.Voynov, 4023100100005 A.N.Glukhovets) 4023100100006 TITLE Total neutron cross-section measurement for Fe-58 4023100100007 isotope with the help of neutron spectrometer made 4023100100008 on the base of linear electron accelerator LUE-25 4023100100009 FACILITY (LINAC) Linear electron accelerator 4023100100010 Pulse width 1.5 microsec, current 5 microA. 4023100100011 INC-SOURCE (TAGD) Electrons energy 25 MeV. Pb cylinder of 50 mm 4023100100012 diameter, 50 mm high in Al case - as target. 4023100100013 SAMPLE Sample consists of two iron discs 4023100100014 First disc has 57.287 gram of weight, Fe-58 content 4023100100015 is 91.9 %, Fe-57 content is 8.1 %. 4023100100016 Second disc is 23.962 gram ,Fe-58 content 4023100100017 is 90.66 %, Fe-57 content is 9.19 %, Fe-56 - 0.15%, 4023100100018 Fe-54 - 0.01 % . 4023100100019 Fe-58 thickness is 0.0394 nuclei/barn for both discs. 4023100100020 METHOD (TOF) Time-of-flight base 121.6 m. 4023100100021 (TRN) Transmission - total c-s. 4023100100022 DETECTOR (NAICR) 4 sodium-iodide crystals based on registration 4023100100023 of gamma-rays produced by (n-gamma) reaction in 4023100100024 rare-earth elements ( main - Eu, others Sm, Er, Hf). 4023100100025 Crystals diameter 200 mm, high 150mm. 4023100100026 (PROPC) Proportional boron counters for neutron 4023100100027 flux monitoring 4023100100028 PART-DET (N,G) Neutron and gamma 4023100100029 ANALYSIS (AREA) Area method for width determination of two 4023100100030 low-lying resonances 4023100100031 MONITOR Absolute measurement 4023100100032 CORRECTION Background of the neutron spectrometer is 10. percent 4023100100033 for energies above 20. keV and 25. percent for 1. keV 4023100100034 energy . 4023100100035 Background was measured by Al, Na, Mn black resonance 4023100100036 filters. 4023100100037 STATUS (PRELM) Preliminary results 4023100100038 HISTORY (19780103C) Compiled at the centre 4023100100039 (19831215U) 4023100100040 (20121126A) M.M. Upper -> lower case correction. 4023100100041 Dates were corrected for 4-digits year. 4023100100042 Subent 003 was corrected. 4023100100043 BIB information was updated. 4023100100044 ENDBIB 42 0 4023100100045 NOCOMMON 0 0 4023100100046 ENDSUBENT 45 0 4023100199999 SUBENT 40231002 20121126 41594023100200001 BIB 2 5 4023100200002 REACTION 1(26-FE-58(N,0),,EN) Resonance energy 4023100200003 2(26-FE-58(N,TOT),,WID) Total width of resonance 4023100200004 3(26-FE-58(N,TOT),,SIG,,RES) Total sigma 4023100200005 taken from the curve 4023100200006 STATUS (TABLE) Table 2 of R,FEI-678 . 4023100200007 ENDBIB 5 0 4023100200008 NOCOMMON 0 0 4023100200009 DATA 5 4 4023100200010 DATA 1ERR-S 1DATA 2ERR-S 2DATA 3 4023100200011 KEV KEV KEV KEV B 4023100200012 1.05E+01 2.0000E-01 3.5E-01 0.05 1.7000E+02 4023100200013 4.3E+01 1.0000E+00 4. 1. 6.0000E+01 4023100200014 6.7E+01 2.0000E+00 1.1000E+01 4023100200015 9.6E+01 3.0000E+00 2.2000E+01 4023100200016 ENDDATA 6 0 4023100200017 ENDSUBENT 16 0 4023100299999 SUBENT 40231003 20121126 41594023100300001 BIB 4 12 4023100300002 REACTION (26-FE-58(N,TOT),,SIG) 4023100300003 ERR-ANALYS (EN-ERR-DIG) Digitizing error of EN 4023100300004 (ERR-DIG) Digitizing error of data for left figure. 4023100300005 STATUS (CURVE) Fig.1 left and right: 4023100300006 0.7-12.4 keV Fig.1 left, 10.2-100.3 keV Fig.1 right. 4023100300007 HISTORY (20121126A) M.M. Data of left figure were re-digitized 4023100300008 because left figure had been digitized wrong : 4023100300009 - shift about 2 keV into lower energy in comparison of 4023100300010 data presented on this figure, 4023100300011 - at 9.17 keV - 3 points were in DATA block, which are 4023100300012 not seen on figure. 4023100300013 Peaks for Fe-57 were not digitized. 4023100300014 ENDBIB 12 0 4023100300015 COMMON 2 3 4023100300016 EN-ERR-DIG ERR-DIG 4023100300017 KEV B 4023100300018 0.0575 0.308 4023100300019 ENDCOMMON 3 0 4023100300020 DATA 2 146 4023100300021 EN DATA 4023100300022 KEV B 4023100300023 7.1686 3.689 4023100300024 7.3708 3.890 4023100300025 7.6017 4.468 4023100300026 7.8528 3.689 4023100300027 8.0096 2.810 4023100300028 8.1566 2.690 4023100300029 8.2037 1.331 4023100300030 8.3783 1.372 4023100300031 8.5040 2.392 4023100300032 8.6914 2.323 4023100300033 8.9205 2.522 4023100300034 9.0992 3.429 4023100300035 9.2302 2.768 4023100300036 9.4061 3.080 4023100300037 9.5439 3.828 4023100300038 9.5796 5.667 4023100300039 9.6470 8.535 4023100300040 9.6979 10.753 4023100300041 9.7494 13.079 4023100300042 9.7972 14.647 4023100300043 9.9062 17.782 4023100300044 9.9405 22.115 4023100300045 9.9478 29.215 4023100300046 10.007 44.277 4023100300047 10.044 54.681 4023100300048 10.145 89.291 4023100300049 10.190 99.011 4023100300050 10.289 108.69 4023100300051 10.350 124.90 4023100300052 10.391 153.59 4023100300053 10.450 164.93 4023100300054 10.571 109.01 4023100300055 10.603 92.183 4023100300056 10.627 86.171 4023100300057 10.637 77.614 4023100300058 10.683 73.220 4023100300059 10.754 62.863 4023100300060 10.835 46.218 4023100300061 10.903 40.847 4023100300062 10.965 37.102 4023100300063 11.055 30.700 4023100300064 11.145 24.297 4023100300065 11.235 23.585 4023100300066 11.307 18.865 4023100300067 11.447 17.336 4023100300068 11.655 16.019 4023100300069 11.907 12.693 4023100300070 12.094 9.643 4023100300071 12.305 8.922 4023100300072 12.548 9.228 4023100300073 12.782 7.638 4023100300074 1.3340E+01 7.5600E+00 4023100300075 1.3850E+01 6.3000E+00 4023100300076 1.4360E+01 6.0400E+00 4023100300077 1.5780E+01 4.4100E+00 4023100300078 1.7060E+01 2.5200E+00 4023100300079 1.8090E+01 2.3900E+00 4023100300080 1.9250E+01 2.6400E+00 4023100300081 2.0280E+01 2.5200E+00 4023100300082 2.1170E+01 2.1400E+00 4023100300083 2.2200E+01 2.6400E+00 4023100300084 2.3360E+01 3.9000E+00 4023100300085 2.4770E+01 4.0300E+00 4023100300086 2.5930E+01 3.5200E+00 4023100300087 2.7210E+01 3.7800E+00 4023100300088 2.8240E+01 4.1500E+00 4023100300089 2.8880E+01 4.2800E+00 4023100300090 2.9910E+01 6.4200E+00 4023100300091 3.0560E+01 6.0400E+00 4023100300092 3.1580E+01 6.3000E+00 4023100300093 3.2230E+01 4.9100E+00 4023100300094 3.3510E+01 5.2900E+00 4023100300095 3.4540E+01 2.2600E+00 4023100300096 3.5700E+01 1.0000E+00 4023100300097 3.6800E+01 2.5200E+00 4023100300098 3.7110E+01 3.7800E+00 4023100300099 3.7620E+01 4.9100E+00 4023100300100 3.8010E+01 7.5600E+00 4023100300101 3.8270E+01 8.4400E+00 4023100300102 3.8520E+01 9.5700E+00 4023100300103 3.9290E+01 1.0080E+01 4023100300104 3.9550E+01 1.1110E+01 4023100300105 4.0320E+01 1.1640E+01 4023100300106 4.0710E+01 2.0530E+01 4023100300107 4.0840E+01 2.5830E+01 4023100300108 4.1610E+01 3.3640E+01 4023100300109 4.1990E+01 3.8550E+01 4023100300110 4.2120E+01 4.4100E+01 4023100300111 4.2760E+01 5.1530E+01 4023100300112 4.3410E+01 5.4550E+01 4023100300113 4.4050E+01 5.6570E+01 4023100300114 4.4300E+01 5.9470E+01 4023100300115 4.4820E+01 4.8130E+01 4023100300116 4.5980E+01 4.5730E+01 4023100300117 4.6360E+01 3.8680E+01 4023100300118 4.6750E+01 3.4650E+01 4023100300119 4.7260E+01 3.1500E+01 4023100300120 4.7900E+01 2.6460E+01 4023100300121 4.8550E+01 2.3560E+01 4023100300122 4.9320E+01 2.2420E+01 4023100300123 5.0470E+01 1.7130E+01 4023100300124 5.1120E+01 1.7640E+01 4023100300125 5.1760E+01 1.5490E+01 4023100300126 5.2400E+01 1.3350E+01 4023100300127 5.3690E+01 1.1840E+01 4023100300128 5.4710E+01 1.1970E+01 4023100300129 5.5610E+01 1.1340E+01 4023100300130 5.6260E+01 9.8200E+00 4023100300131 5.7280E+01 7.0500E+00 4023100300132 5.8440E+01 7.5600E+00 4023100300133 5.8830E+01 7.8100E+00 4023100300134 5.9850E+01 6.1700E+00 4023100300135 6.0370E+01 7.4300E+00 4023100300136 6.1400E+01 6.3000E+00 4023100300137 6.2170E+01 6.6700E+00 4023100300138 6.3190E+01 5.5400E+00 4023100300139 6.4350E+01 5.2900E+00 4023100300140 6.5250E+01 8.6900E+00 4023100300141 6.6150E+01 1.0080E+01 4023100300142 6.7050E+01 1.1080E+01 4023100300143 6.8080E+01 1.0080E+01 4023100300144 6.9360E+01 7.9300E+00 4023100300145 7.0300E+01 7.5600E+00 4023100300146 7.1290E+01 7.0500E+00 4023100300147 7.2450E+01 6.3000E+00 4023100300148 7.3350E+01 5.0400E+00 4023100300149 7.4500E+01 4.7800E+00 4023100300150 7.5790E+01 5.0400E+00 4023100300151 7.6940E+01 3.1500E+00 4023100300152 7.8100E+01 3.5200E+00 4023100300153 7.9770E+01 2.2600E+00 4023100300154 8.0930E+01 3.4000E+00 4023100300155 8.2210E+01 3.4000E+00 4023100300156 8.3370E+01 5.0400E+00 4023100300157 8.4650E+01 4.6600E+00 4023100300158 8.6200E+01 5.6700E+00 4023100300159 8.7610E+01 1.0200E+01 4023100300160 8.9150E+01 1.1590E+01 4023100300161 9.0560E+01 1.6000E+01 4023100300162 9.2360E+01 1.8640E+01 4023100300163 9.3780E+01 2.0410E+01 4023100300164 9.5450E+01 2.1420E+01 4023100300165 9.7380E+01 1.8520E+01 4023100300166 9.8790E+01 1.7130E+01 4023100300167 1.0090E+02 1.3860E+01 4023100300168 1.0260E+02 8.5600E+00 4023100300169 ENDDATA 148 0 4023100300170 ENDSUBENT 169 0 4023100399999 ENDENTRY 3 0 4023199999999