ENTRY 13785 20020410 00001378500000001 SUBENT 13785001 20020410 00001378500100001 BIB 15 31 1378500100002 INSTITUTE (1USALAS) 1378500100003 REFERENCE (J,NSE,140,195,2002) 1378500100004 AUTHOR (R.O.Nelson,A.Michaudon) 1378500100005 TITLE High-Resolution Cross-Section Measurements for 1378500100006 Production of the 0.478-MeV Gamma Ray from the 1378500100007 9Be(n,x gamma)7Li Reaction for Neutron Energies 1378500100008 Between 12 and 200 MeV with Insight into the 10Be 1378500100009 Level Scheme 1378500100010 FACILITY (MESON,1USALAS) WNR LANSCE accelerator. 1378500100011 INC-SOURCE (SPALL) Protons on tungsten target. 1378500100012 SAMPLE 432.4 g square sheet of BeO with an areal density of 1378500100013 2.897 g/cm2. 1378500100014 METHOD (TOF) 1378500100015 DETECTOR (GE-IN) 2 high-purity coaxial Ge detectors. Gamma ray 1378500100016 energy resolution for 0.478 MeV is about 5 keV. 1378500100017 True resolution is about 20 keV (FWHM) due to Doppler 1378500100018 broadening. 1378500100019 MONITOR Flux measured using 235U fission chamber. 1378500100020 ANALYSIS Detector efficiency measured using 4 calibrated 1378500100021 radioactive sources between 166 keV and 6.13 MeV, 1378500100022 and calculated with a Monte Carlo code between 670 1378500100023 keV and 8.865 MeV. 1378500100024 Total gamma ray yield obtained from sum of counts at 7 1378500100025 detector angles. 1378500100026 CORRECTION Corrected for background and dead time. 1378500100027 ERR-ANALYS (ERR-S) Statistical uncertainty given. 1378500100028 (DATA-ERR) Systematic uncertainty; details of 1378500100029 contributions given in Table I of reference. 1378500100030 STATUS (APRVD) Approved by R. Nelson, 10 April 2002. 1378500100031 Data received by email from R. Nelson, 10 April 2002. 1378500100032 HISTORY (20020410C) VM 1378500100033 ENDBIB 31 0 1378500100034 NOCOMMON 0 0 1378500100035 ENDSUBENT 34 0 1378500199999 SUBENT 13785002 20020410 00001378500200001 BIB 1 1 1378500200002 REACTION (4-BE-9(N,X)0-G-0,PAR,SIG) 1378500200003 ENDBIB 1 0 1378500200004 COMMON 1 3 1378500200005 E 1378500200006 MEV 1378500200007 0.478 1378500200008 ENDCOMMON 3 0 1378500200009 DATA 4 151 1378500200010 EN DATA ERR-S DATA-ERR 1378500200011 MEV MB MB PER-CENT 1378500200012 11.05 0.0262 1.0732 6. 1378500200013 11.15 0.4565 1.0652 6. 1378500200014 11.25 1.6120 1.0699 6. 1378500200015 11.35 0.8862 1.0760 6. 1378500200016 11.45 0.8840 1.0843 6. 1378500200017 11.55 0.0570 1.0901 6. 1378500200018 11.65 1.8650 1.0803 6. 1378500200019 11.75 0.1781 1.1124 6. 1378500200020 11.85 -1.5201 1.1208 6. 1378500200021 11.95 0.4751 1.1279 6. 1378500200022 12.05 0.4365 1.1383 6. 1378500200023 12.15 2.2444 1.4038 6. 1378500200024 12.25 0.3121 1.3749 6. 1378500200025 12.35 -0.8230 1.3979 6. 1378500200026 12.45 0.1792 1.3004 6. 1378500200027 12.55 2.3181 1.3225 6. 1378500200028 12.65 4.6872 1.4587 6. 1378500200029 12.75 6.5249 1.4742 6. 1378500200030 12.85 5.8957 1.4707 6. 1378500200031 12.95 5.1377 1.4610 6. 1378500200032 13.05 5.2927 1.4002 6. 1378500200033 13.15 6.8524 1.4729 6. 1378500200034 13.25 7.0436 1.4488 6. 1378500200035 13.35 7.1193 1.4405 6. 1378500200036 13.45 6.4468 1.4166 6. 1378500200037 13.55 5.7621 1.4255 6. 1378500200038 13.65 7.6253 1.4607 6. 1378500200039 13.75 6.5400 1.4404 6. 1378500200040 13.85 5.8800 1.4459 6. 1378500200041 13.95 6.3200 1.4773 6. 1378500200042 14.05 8.6436 1.5072 8. 1378500200043 14.15 8.4674 1.4759 8. 1378500200044 14.25 8.2943 1.4662 8. 1378500200045 14.35 8.5433 1.4835 8. 1378500200046 14.45 9.0585 1.4948 8. 1378500200047 14.55 9.5519 1.5122 8. 1378500200048 14.65 9.6953 1.5158 8. 1378500200049 14.75 9.0636 1.4922 8. 1378500200050 14.85 9.7215 1.5014 8. 1378500200051 14.95 10.0058 1.5158 8. 1378500200052 15.05 10.7718 1.5426 8. 1378500200053 15.15 11.8510 1.5476 8. 1378500200054 15.25 12.2985 1.5352 8. 1378500200055 15.35 12.3165 1.5334 8. 1378500200056 15.45 11.6417 1.5256 8. 1378500200057 15.55 12.0674 1.5210 8. 1378500200058 15.65 13.8882 1.5378 8. 1378500200059 15.75 13.9059 1.5370 8. 1378500200060 15.85 13.5936 1.5393 8. 1378500200061 15.95 14.3705 1.5502 8. 1378500200062 16.075 14.5695 1.2819 8. 1378500200063 16.225 14.0159 1.2857 8. 1378500200064 16.375 13.7681 1.2877 8. 1378500200065 16.525 12.9481 1.2653 8. 1378500200066 16.675 10.9279 1.2520 8. 1378500200067 16.825 12.6001 1.3012 8. 1378500200068 16.975 11.0786 1.2791 8. 1378500200069 17.125 11.4530 1.2689 8. 1378500200070 17.275 12.5725 1.2721 8. 1378500200071 17.425 12.4799 1.2830 8. 1378500200072 17.575 9.6751 1.2507 8. 1378500200073 17.725 10.0798 1.2759 8. 1378500200074 17.875 9.2881 1.2831 8. 1378500200075 18.025 9.7982 1.3029 8. 1378500200076 18.175 10.4931 1.3088 8. 1378500200077 18.325 10.5651 1.3073 8. 1378500200078 18.475 9.7065 1.3004 8. 1378500200079 18.625 9.5272 1.3169 8. 1378500200080 18.775 9.7383 1.3258 8. 1378500200081 18.925 10.3080 1.3384 8. 1378500200082 19.075 8.7729 1.3148 8. 1378500200083 19.225 9.0934 1.3234 8. 1378500200084 19.375 10.0578 1.3341 8. 1378500200085 19.525 7.2268 1.2965 8. 1378500200086 19.675 6.9533 1.3147 8. 1378500200087 19.825 7.3579 1.3235 8. 1378500200088 19.975 8.8657 1.3286 8. 1378500200089 20.125 7.1301 1.3026 8. 1378500200090 20.35 6.8558 0.9647 8. 1378500200091 20.65 7.7030 0.9545 8. 1378500200092 20.95 7.1027 0.9486 8. 1378500200093 21.25 7.9693 0.9317 8. 1378500200094 21.55 8.0756 0.9299 8. 1378500200095 21.85 7.4201 0.9318 8. 1378500200096 22.15 7.1583 0.8521 8. 1378500200097 22.45 6.9238 0.8509 8. 1378500200098 22.75 8.3534 0.8470 8. 1378500200099 23.05 7.9254 0.8527 8. 1378500200100 23.35 7.5257 0.8583 8. 1378500200101 23.65 8.6451 0.8589 8. 1378500200102 23.95 9.4689 0.8534 8. 1378500200103 24.25 7.6187 0.8527 8. 1378500200104 24.55 8.8668 0.8595 8. 1378500200105 24.85 9.1892 0.8638 8. 1378500200106 25.15 8.8137 0.8733 8. 1378500200107 25.45 9.6100 0.8864 8. 1378500200108 25.75 10.2280 0.8874 8. 1378500200109 26.05 9.2835 0.8894 8. 1378500200110 26.35 8.8568 0.8895 8. 1378500200111 26.65 9.3842 0.8960 8. 1378500200112 26.95 9.5169 0.9014 8. 1378500200113 27.25 9.4725 0.8977 8. 1378500200114 27.55 8.7338 0.9072 8. 1378500200115 27.85 9.8283 0.9078 8. 1378500200116 28.15 9.9789 0.9101 8. 1378500200117 28.45 9.0365 0.9099 8. 1378500200118 28.75 8.2799 0.8942 8. 1378500200119 29.05 9.2872 0.8824 8. 1378500200120 29.35 9.2904 0.8861 8. 1378500200121 29.65 9.5456 0.8883 8. 1378500200122 29.95 8.8506 0.8762 8. 1378500200123 30.25 8.5484 0.8777 20. 1378500200124 31.0 8.7790 0.4333 20. 1378500200125 32.2 8.7008 0.4273 20. 1378500200126 33.4 9.2590 0.4252 20. 1378500200127 34.6 9.1892 0.4254 20. 1378500200128 35.8 9.1205 0.4215 20. 1378500200129 37.0 9.0290 0.4188 20. 1378500200130 38.2 8.8813 0.4192 20. 1378500200131 39.4 8.6951 0.4227 20. 1378500200132 40.6 8.7604 0.4236 20. 1378500200133 41.8 8.9901 0.4257 20. 1378500200134 43.0 8.2924 0.4213 20. 1378500200135 44.2 8.2395 0.4223 20. 1378500200136 45.4 8.0717 0.4234 20. 1378500200137 46.6 8.0901 0.4216 20. 1378500200138 47.8 8.1666 0.4194 20. 1378500200139 49.0 8.2515 0.4190 20. 1378500200140 50.2 8.0986 0.4212 20. 1378500200141 53.3 7.4880 0.2028 20. 1378500200142 58.3 7.3662 0.2031 20. 1378500200143 63.3 7.2454 0.2043 20. 1378500200144 68.3 6.3525 0.2078 20. 1378500200145 73.3 6.2569 0.2079 20. 1378500200146 78.3 5.9065 0.2087 20. 1378500200147 83.3 5.5584 0.2108 20. 1378500200148 88.3 5.4120 0.2117 20. 1378500200149 93.3 5.2669 0.2148 20. 1378500200150 98.3 5.1139 0.2121 20. 1378500200151 103.3 4.9106 0.2149 30. 1378500200152 108.3 5.0259 0.2155 30. 1378500200153 115.8 4.4523 0.1531 30. 1378500200154 125.8 4.1868 0.1580 30. 1378500200155 135.8 4.2504 0.1624 30. 1378500200156 145.8 4.0260 0.1689 30. 1378500200157 155.8 4.0195 0.1734 30. 1378500200158 165.8 3.9839 0.1791 30. 1378500200159 175.8 3.7903 0.1841 30. 1378500200160 185.8 3.9145 0.1897 30. 1378500200161 195.8 3.6371 0.1937 30. 1378500200162 205.8 3.7000 0.2005 30. 1378500200163 ENDDATA 153 0 1378500200164 ENDSUBENT 163 0 1378500299999 ENDENTRY 2 0 1378599999999