ENTRY 41754 20221108 420941754 0 1 SUBENT 41754001 20221108 420941754 1 1 BIB 12 27 41754 1 2 TITLE The measurement of SIGMAt for 208Pb with ~1 keV 41754 1 3 resolution in the neutron energy range of 1.5 - 2.0 MeV41754 1 4 AUTHOR (V.M.Morozov,Yu.G.Zubov,N.S.Lebedeva,N.I.Sidorov) 41754 1 5 REFERENCE ((C,80KIEV,1,200,1980)= 41754 1 6 (R,INDC(CCP)-169,(1),200,1983)) In Russian. 41754 1 7 INSTITUTE (4RUSKUR) 41754 1 8 FACILITY (ACCEL,4RUSKUR) ESU-2 accelerator. 41754 1 9 INC-SOURCE (D-C12) deuterons energy 1.91 - 2.36 MeV, 41754 1 10 neutrons of energy 1.54 - 1.96 MeV, respectively, 41754 1 11 at 30 degrees angle 41754 1 12 SAMPLE Enriched to 97 % Pb-208 in form of cylinder of 25 mm 41754 1 13 diameter, thickness 0.0511 and 0.0878 nucl/barn. 41754 1 14 Place at 900 mm distance from neutron source. 41754 1 15 DETECTOR (SCIN) Stilbene crystal detector, placed at 2700 mm 41754 1 16 distance from neutron source - for neutron transmission41754 1 17 (SI) Silicon semiconductor detector for registration of41754 1 18 protons from C-12(d,p) accompanying reaction - 41754 1 19 for monitoring. 41754 1 20 METHOD (TRN) 41754 1 21 MONITOR Maximum in C-S of C-12 at En=2078.0+-0.3 keV 41754 1 22 was used initially for incident neutron energy 41754 1 23 calibration - accuracy ~5 keV. 41754 1 24 Minimum in C-S of Pb-208 at En=1744.8 keV 41754 1 25 were used for detectors energy calibration at each 41754 1 26 series of measurement. 41754 1 27 ERR-ANALYS (ERR-S,2.,5.) Statistical uncertainty 2-5 %. 41754 1 28 HISTORY (20221108C) 41754 1 29 ENDBIB 27 0 41754 1 30 NOCOMMON 0 0 41754 1 31 ENDSUBENT 30 0 41754 199999 SUBENT 41754002 20221108 420941754 2 1 BIB 4 33 41754 2 2 REACTION (82-PB-208(N,TOT),,SIG) 41754 2 3 REL-REF (A,12217001,J.L.Fowler,J,PR,147,870,1966) 41754 2 4 FLAG (1.) Fig. left; 41754 2 5 energy resolution 1.3 keV, 41754 2 6 sample thickness 0.0878 nucl/b 41754 2 7 Quantization errors: 41754 2 8 scale X - 0.22 keV, scale Y - 0.015 b. 41754 2 9 (2.) Fig. middle left; full circles, 41754 2 10 energy resolution 1.1 keV, 41754 2 11 sample thickness 0.0511 nucl/b 41754 2 12 Quantization errors: 41754 2 13 scale X - 0.23 keV, scale Y - 0.015 b. 41754 2 14 (3.) Fig. middle left; triangles, 41754 2 15 energy resolution 1.1 keV, 41754 2 16 sample thickness 0.0878 nucl/b 41754 2 17 Quantization errors: 41754 2 18 scale X - 0.23 keV, scale Y - 0.015 b. 41754 2 19 (4.) Fig. middle right; 41754 2 20 energy resolution 1.1 keV, 41754 2 21 sample thickness 0.0878 nucl/b 41754 2 22 Quantization errors: 41754 2 23 scale X - 0.22 keV, scale Y - 0.015 b. 41754 2 24 (5.) Fig. right; full circles, 41754 2 25 energy resolution 0.9 keV, 41754 2 26 sample thickness 0.0878 nucl/b 41754 2 27 Quantization errors: 41754 2 28 scale X - 0.11 keV, scale Y - 0.015 b. 41754 2 29 (6.) Fig. right; triangles, 41754 2 30 energy resolution 1.1 keV, 41754 2 31 sample thickness 0.0511 nucl/b 41754 2 32 Quantization errors: 41754 2 33 scale X - 0.11 keV, scale Y - 0.015 b. 41754 2 34 STATUS (CURVE) Fig. of INDC(CCP)-169,(1),200,1983 41754 2 35 ENDBIB 33 0 41754 2 36 COMMON 2 3 41754 2 37 EN-ERR-DIG ERR-DIG 41754 2 38 KEV B 41754 2 39 0.25 0.018 41754 2 40 ENDCOMMON 3 0 41754 2 41 DATA 3 146 41754 2 42 EN DATA FLAG 41754 2 43 KEV B NO-DIM 41754 2 44 1541.3 4.384 1. 41754 2 45 1543.5 4.146 1. 41754 2 46 1546.1 5.844 1. 41754 2 47 1547.9 6.291 1. 41754 2 48 1551.0 5.845 1. 41754 2 49 1553.2 5.100 1. 41754 2 50 1555.9 4.922 1. 41754 2 51 1558.1 5.458 1. 41754 2 52 1561.2 5.547 1. 41754 2 53 1563.0 4.952 1. 41754 2 54 1565.7 3.820 1. 41754 2 55 1568.4 3.999 1. 41754 2 56 1571.0 3.642 1. 41754 2 57 1572.8 3.047 1. 41754 2 58 1575.9 3.821 1. 41754 2 59 1578.6 3.255 1. 41754 2 60 1580.4 2.928 1. 41754 2 61 1581.7 4.119 1. 41754 2 62 1583.0 4.030 1. 41754 2 63 1583.5 5.877 1. 41754 2 64 1584.8 6.473 1. 41754 2 65 1586.6 6.443 1. 41754 2 66 1586.6 6.562 1. 41754 2 67 1588.3 5.907 1. 41754 2 68 1588.8 5.401 1. 41754 2 69 1590.1 4.805 1. 41754 2 70 1591.0 4.656 1. 41754 2 71 1593.3 4.448 1. 41754 2 72 1594.1 4.746 1. 41754 2 73 1596.8 4.418 1. 41754 2 74 1598.2 3.882 1. 41754 2 75 1599.9 5.193 1. 41754 2 76 1603.0 5.640 1. 41754 2 77 1605.7 5.968 1. 41754 2 78 1678.0 7.398 2. 41754 2 79 1680.8 6.415 2. 41754 2 80 1683.5 6.416 2. 41754 2 81 1685.7 7.518 2. 41754 2 82 1688.4 8.679 2. 41754 2 83 1691.1 9.782 2. 41754 2 84 1693.4 7.637 2. 41754 2 85 1695.2 6.118 2. 41754 2 86 1698.4 5.612 2. 41754 2 87 1700.7 5.314 2. 41754 2 88 1703.8 5.880 2. 41754 2 89 1707.0 6.476 2. 41754 2 90 1709.7 6.893 2. 41754 2 91 1711.9 5.851 2. 41754 2 92 1714.7 6.745 2. 41754 2 93 1716.5 6.536 2. 41754 2 94 1719.2 6.924 2. 41754 2 95 1721.9 6.566 2. 41754 2 96 1725.5 6.864 2. 41754 2 97 1725.7 6.882 5. 41754 2 98 1726.9 7.735 6. 41754 2 99 1727.3 7.698 2. 41754 2 100 1727.8 7.058 5. 41754 2 101 1728.2 7.550 3. 41754 2 102 1730.0 8.027 5. 41754 2 103 1731.4 8.205 3. 41754 2 104 1732.1 8.379 6. 41754 2 105 1733.2 8.761 5. 41754 2 106 1733.2 8.354 2. 41754 2 107 1733.2 8.920 3. 41754 2 108 1734.8 9.907 6. 41754 2 109 1735.7 10.172 5. 41754 2 110 1735.9 9.903 2. 41754 2 111 1736.3 10.171 3. 41754 2 112 1737.1 10.259 5. 41754 2 113 1737.2 10.469 2. 41754 2 114 1737.3 10.465 6. 41754 2 115 1738.4 10.788 5. 41754 2 116 1739.0 10.796 3. 41754 2 117 1739.9 10.231 2. 41754 2 118 1740.2 10.228 6. 41754 2 119 1740.9 9.493 5. 41754 2 120 1741.3 9.337 3. 41754 2 121 1742.4 7.492 6. 41754 2 122 1742.7 7.491 2. 41754 2 123 1743.0 6.639 5. 41754 2 124 1743.6 6.538 3. 41754 2 125 1743.7 7.168 6. 41754 2 126 1743.9 5.491 5. 41754 2 127 1744.0 7.074 2. 41754 2 128 1744.8 5.991 6. 41754 2 129 1745.4 6.031 2. 41754 2 130 1746.2 6.579 6. 41754 2 131 1746.4 5.608 5. 41754 2 132 1746.7 6.508 2. 41754 2 133 1746.7 6.687 3. 41754 2 134 1747.5 6.637 5. 41754 2 135 1747.6 7.490 6. 41754 2 136 1747.6 7.193 3. 41754 2 137 1748.1 7.461 2. 41754 2 138 1748.5 7.372 5. 41754 2 139 1748.9 8.166 6. 41754 2 140 1749.0 8.980 3. 41754 2 141 1749.0 8.176 2. 41754 2 142 1751.0 7.988 5. 41754 2 143 1751.7 9.189 3. 41754 2 144 1751.7 8.861 3. 41754 2 145 1754.4 7.551 3. 41754 2 146 1756.7 6.479 3. 41754 2 147 1758.1 5.704 2. 41754 2 148 1847.7 3.828 4. 41754 2 149 1850.8 4.335 4. 41754 2 150 1853.0 4.722 4. 41754 2 151 1855.7 4.782 4. 41754 2 152 1858.3 5.081 4. 41754 2 153 1861.0 5.170 4. 41754 2 154 1863.7 4.724 4. 41754 2 155 1866.4 4.635 4. 41754 2 156 1869.0 4.010 4. 41754 2 157 1872.2 4.160 4. 41754 2 158 1874.8 3.922 4. 41754 2 159 1877.1 4.071 4. 41754 2 160 1880.2 3.952 4. 41754 2 161 1882.8 4.340 4. 41754 2 162 1885.5 4.608 4. 41754 2 163 1887.3 4.698 4. 41754 2 164 1890.8 4.520 4. 41754 2 165 1893.5 4.371 4. 41754 2 166 1895.7 4.789 4. 41754 2 167 1898.8 6.040 4. 41754 2 168 1901.4 6.190 4. 41754 2 169 1903.7 6.369 4. 41754 2 170 1906.8 6.339 4. 41754 2 171 1909.0 6.548 4. 41754 2 172 1911.7 6.489 4. 41754 2 173 1914.3 7.204 4. 41754 2 174 1917.5 6.520 4. 41754 2 175 1920.1 6.848 4. 41754 2 176 1922.4 6.372 4. 41754 2 177 1925.0 5.806 4. 41754 2 178 1928.6 5.449 4. 41754 2 179 1930.9 5.062 4. 41754 2 180 1933.1 5.510 4. 41754 2 181 1936.6 6.046 4. 41754 2 182 1938.4 5.123 4. 41754 2 183 1942.0 4.826 4. 41754 2 184 1944.2 4.320 4. 41754 2 185 1946.8 5.750 4. 41754 2 186 1949.0 7.299 4. 41754 2 187 1951.7 7.508 4. 41754 2 188 1954.8 6.168 4. 41754 2 189 1957.9 6.913 4. 41754 2 190 ENDDATA 148 0 41754 2 191 ENDSUBENT 190 0 41754 299999 ENDENTRY 2 0 4175499999999