Measurement E141M155
| Experiment: | Measurement of ep→e′nπ+ at 1.6<W<2.0 GeV and extraction of nucleon resonance electrocoupling at CLAS | |
|---|---|---|
| Year: | 2014 | |
| Spokespersons: | K. Park, V.D. Burkert, I.G. Aznauryan | |
| Reaction: | ep → π+n | |
| Polarization: | beam | |
| Quantity: | dσ/dΩ | |
| Q2: | 4.0 GeV2 | |
| W: | 1.74 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| 0.525 | 48.75 | 0.2531 | 0.1379 |
| 0.525 | 56.25 | 0.2503 | 0.1132 |
| 0.525 | 71.25 | 0.2867 | 0.1301 |
| 0.525 | 93.75 | 0.1591 | 0.0713 |
| 0.525 | 101.25 | 0.2154 | 0.1036 |
| 0.525 | 108.75 | 0.2519 | 0.1041 |
| 0.525 | 116.25 | 0.2259 | 0.114 |
| 0.525 | 131.25 | 0.1504 | 0.0647 |
| 0.525 | 153.75 | 0.2489 | 0.1345 |
| 0.525 | 161.25 | 0.202 | 0.0859 |
| 0.525 | 176.25 | 0.1379 | 0.0531 |
| 0.525 | 183.75 | 0.1142 | 0.0469 |
| 0.525 | 191.25 | 0.1053 | 0.0495 |
| 0.525 | 198.75 | 0.1365 | 0.0767 |
| 0.525 | 228.75 | 0.2816 | 0.1457 |
| 0.525 | 281.25 | 0.1327 | 0.071 |
| 0.525 | 296.25 | 0.1333 | 0.0711 |
| 0.525 | 318.75 | 0.1905 | 0.1131 |
| 0.575 | 56.25 | 0.2271 | 0.1062 |
| 0.575 | 63.75 | 0.3246 | 0.1865 |
| 0.575 | 93.75 | 0.2088 | 0.1105 |
| 0.575 | 108.75 | 0.2573 | 0.1245 |
| 0.575 | 116.25 | 0.2073 | 0.1002 |
| 0.575 | 123.75 | 0.165 | 0.0736 |
| 0.575 | 161.25 | 0.2088 | 0.0895 |
| 0.575 | 168.75 | 0.1179 | 0.0471 |
| 0.575 | 176.25 | 0.1512 | 0.0664 |
| 0.575 | 183.75 | 0.1231 | 0.0671 |
| 0.575 | 191.25 | 0.1338 | 0.0646 |
| 0.575 | 198.75 | 0.1819 | 0.0866 |
| 0.575 | 213.75 | 0.1597 | 0.0856 |
| 0.575 | 228.75 | 0.2031 | 0.1239 |
| 0.575 | 258.75 | 0.1021 | 0.0596 |
| 0.625 | 56.25 | 0.2343 | 0.1089 |
| 0.625 | 63.75 | 0.3527 | 0.2053 |
| 0.625 | 71.25 | 0.3449 | 0.1947 |
| 0.625 | 86.25 | 0.2951 | 0.1767 |
| 0.625 | 101.25 | 0.2917 | 0.1396 |
| 0.625 | 123.75 | 0.2094 | 0.0874 |
| 0.625 | 131.25 | 0.2296 | 0.1251 |
| 0.625 | 153.75 | 0.2266 | 0.1006 |
| 0.625 | 161.25 | 0.2246 | 0.0977 |
| 0.625 | 168.75 | 0.138 | 0.0708 |
| 0.625 | 183.75 | 0.112 | 0.0449 |
| 0.625 | 191.25 | 0.1177 | 0.0551 |
| 0.625 | 198.75 | 0.176 | 0.0826 |
| 0.625 | 206.25 | 0.155 | 0.0762 |
| 0.625 | 213.75 | 0.1844 | 0.1069 |
| 0.625 | 273.75 | 0.2152 | 0.0894 |
| 0.625 | 281.25 | 0.2204 | 0.0959 |
| 0.675 | 63.75 | 0.1432 | 0.0671 |
| 0.675 | 71.25 | 0.1186 | 0.0636 |
| 0.675 | 78.75 | 0.2939 | 0.134 |
| 0.675 | 86.25 | 0.3061 | 0.1417 |
| 0.675 | 93.75 | 0.3481 | 0.1882 |
| 0.675 | 101.25 | 0.3749 | 0.2087 |
| 0.675 | 108.75 | 0.2633 | 0.1158 |
| 0.675 | 116.25 | 0.3094 | 0.1657 |
| 0.675 | 146.25 | 0.2693 | 0.1625 |
| 0.675 | 161.25 | 0.2578 | 0.1159 |
| 0.675 | 176.25 | 0.1334 | 0.0616 |
| 0.675 | 183.75 | 0.1027 | 0.0406 |
| 0.675 | 191.25 | 0.0992 | 0.0392 |
| 0.675 | 198.75 | 0.2135 | 0.0873 |
| 0.675 | 206.25 | 0.1994 | 0.101 |
| 0.675 | 228.75 | 0.1784 | 0.103 |
| 0.675 | 243.75 | 0.259 | 0.1403 |
| 0.675 | 258.75 | 0.1972 | 0.1022 |
| 0.675 | 266.25 | 0.1824 | 0.1109 |
| 0.725 | 18.75 | 0.1764 | 0.0837 |
| 0.725 | 48.75 | 0.1758 | 0.087 |
| 0.725 | 63.75 | 0.4414 | 0.2323 |
| 0.725 | 78.75 | 0.1194 | 0.0511 |
| 0.725 | 86.25 | 0.1269 | 0.0647 |
| 0.725 | 93.75 | 0.4108 | 0.2295 |
| 0.725 | 101.25 | 0.4176 | 0.1911 |
| 0.725 | 116.25 | 0.2953 | 0.1456 |
| 0.725 | 123.75 | 0.2361 | 0.1088 |
| 0.725 | 138.75 | 0.2992 | 0.1795 |
| 0.725 | 146.25 | 0.355 | 0.1909 |
| 0.725 | 161.25 | 0.2649 | 0.0943 |
| 0.725 | 168.75 | 0.1653 | 0.0745 |
| 0.725 | 176.25 | 0.1669 | 0.0671 |
| 0.725 | 198.75 | 0.2263 | 0.1102 |
| 0.725 | 213.75 | 0.1796 | 0.0799 |
| 0.725 | 228.75 | 0.1644 | 0.0666 |
| 0.725 | 251.25 | 0.2668 | 0.1356 |
| 0.725 | 258.75 | 0.2179 | 0.0929 |
| 0.725 | 296.25 | 0.181 | 0.1009 |
| 0.775 | 11.25 | 0.2279 | 0.1115 |
| 0.775 | 56.25 | 0.1733 | 0.0886 |
| 0.775 | 71.25 | 0.3959 | 0.225 |
| 0.775 | 78.75 | 0.3804 | 0.1617 |
| 0.775 | 101.25 | 0.4998 | 0.2509 |
| 0.775 | 108.75 | 0.303 | 0.1694 |
| 0.775 | 116.25 | 0.2762 | 0.1367 |
| 0.775 | 123.75 | 0.2718 | 0.1354 |
| 0.775 | 131.25 | 0.2768 | 0.1399 |
| 0.775 | 138.75 | 0.3203 | 0.1473 |
| 0.775 | 153.75 | 0.398 | 0.1972 |
| 0.775 | 161.25 | 0.2869 | 0.1093 |
| 0.775 | 168.75 | 0.2151 | 0.0954 |
| 0.775 | 176.25 | 0.19 | 0.0862 |
| 0.775 | 198.75 | 0.2811 | 0.118 |
| 0.775 | 221.25 | 0.1793 | 0.0955 |
| 0.775 | 236.25 | 0.1123 | 0.0465 |
| 0.775 | 243.75 | 0.2817 | 0.1434 |
| 0.775 | 333.75 | 0.1534 | 0.0766 |
| 0.825 | 18.75 | 0.2338 | 0.1225 |
| 0.825 | 26.25 | 0.2612 | 0.1295 |
| 0.825 | 33.75 | 0.2173 | 0.1082 |
| 0.825 | 63.75 | 0.4031 | 0.1981 |
| 0.825 | 71.25 | 0.4193 | 0.1963 |
| 0.825 | 101.25 | 0.5883 | 0.2227 |
| 0.825 | 116.25 | 0.3167 | 0.1738 |
| 0.825 | 123.75 | 0.3287 | 0.1758 |
| 0.825 | 131.25 | 0.3264 | 0.1386 |
| 0.825 | 146.25 | 0.3208 | 0.1227 |
| 0.825 | 153.75 | 0.3989 | 0.2033 |
| 0.825 | 161.25 | 0.3454 | 0.1298 |
| 0.825 | 168.75 | 0.2286 | 0.0662 |
| 0.825 | 176.25 | 0.2227 | 0.0785 |
| 0.825 | 206.25 | 0.3113 | 0.1535 |
| 0.825 | 221.25 | 0.2515 | 0.1205 |
| 0.825 | 228.75 | 0.1504 | 0.0617 |
| 0.825 | 236.25 | 0.129 | 0.0603 |
| 0.825 | 243.75 | 0.3391 | 0.2039 |
| 0.825 | 258.75 | 0.2766 | 0.1682 |
| 0.825 | 266.25 | 0.2836 | 0.1526 |
| 0.825 | 273.75 | 0.2042 | 0.1025 |
| 0.825 | 281.25 | 0.204 | 0.0929 |
| 0.825 | 303.75 | 0.2643 | 0.1513 |
| 0.825 | 311.25 | 0.2633 | 0.1165 |
| 0.825 | 318.75 | 0.2337 | 0.1066 |
| 0.825 | 333.75 | 0.2215 | 0.1101 |
| 0.825 | 356.25 | 0.24 | 0.1079 |
| 0.875 | 3.75 | 0.3684 | 0.1939 |
| 0.875 | 11.25 | 0.3297 | 0.1704 |
| 0.875 | 18.75 | 0.383 | 0.2031 |
| 0.875 | 26.25 | 0.3222 | 0.1701 |
| 0.875 | 33.75 | 0.203 | 0.1097 |
| 0.875 | 41.25 | 0.2054 | 0.0903 |
| 0.875 | 48.75 | 0.2078 | 0.079 |
| 0.875 | 56.25 | 0.204 | 0.1168 |
| 0.875 | 63.75 | 0.4642 | 0.2385 |
| 0.875 | 71.25 | 0.402 | 0.167 |
| 0.875 | 86.25 | 0.4047 | 0.1892 |
| 0.875 | 101.25 | 0.4985 | 0.2219 |
| 0.875 | 108.75 | 0.335 | 0.1797 |
| 0.875 | 116.25 | 0.3134 | 0.1438 |
| 0.875 | 123.75 | 0.3672 | 0.1564 |
| 0.875 | 131.25 | 0.3575 | 0.1897 |
| 0.875 | 138.75 | 0.3209 | 0.1461 |
| 0.875 | 146.25 | 0.3202 | 0.121 |
| 0.875 | 153.75 | 0.3725 | 0.18 |
| 0.875 | 161.25 | 0.4329 | 0.1949 |
| 0.875 | 168.75 | 0.2815 | 0.1048 |
| 0.875 | 176.25 | 0.2767 | 0.0956 |
| 0.875 | 183.75 | 0.2089 | 0.0673 |
| 0.875 | 191.25 | 0.1932 | 0.0689 |
| 0.875 | 198.75 | 0.4121 | 0.1989 |
| 0.875 | 206.25 | 0.4143 | 0.2246 |
| 0.875 | 213.75 | 0.268 | 0.1163 |
| 0.875 | 221.25 | 0.2813 | 0.1291 |
| 0.875 | 228.75 | 0.3035 | 0.1281 |
| 0.875 | 236.25 | 0.3092 | 0.1668 |
| 0.875 | 243.75 | 0.3592 | 0.1577 |
| 0.875 | 251.25 | 0.3823 | 0.194 |
| 0.875 | 258.75 | 0.3675 | 0.2065 |
| 0.875 | 281.25 | 0.2502 | 0.1239 |
| 0.875 | 288.75 | 0.3123 | 0.149 |
| 0.875 | 303.75 | 0.2009 | 0.1177 |
| 0.875 | 311.25 | 0.1931 | 0.0942 |
| 0.875 | 326.25 | 0.2087 | 0.092 |
| 0.875 | 333.75 | 0.3521 | 0.1789 |
| 0.875 | 341.25 | 0.2755 | 0.112 |
| 0.875 | 348.75 | 0.3254 | 0.1068 |
| 0.875 | 356.25 | 0.4013 | 0.1824 |
| 0.925 | 3.75 | 0.1139 | 0.0528 |
| 0.925 | 11.25 | 0.1955 | 0.1009 |
| 0.925 | 18.75 | 0.1687 | 0.0981 |
| 0.925 | 26.25 | 0.328 | 0.1973 |
| 0.925 | 33.75 | 0.1197 | 0.0719 |
| 0.925 | 48.75 | 0.2735 | 0.1637 |
| 0.925 | 71.25 | 0.1282 | 0.074 |
| 0.925 | 78.75 | 0.1069 | 0.059 |
| 0.925 | 86.25 | 0.2528 | 0.1368 |
| 0.925 | 93.75 | 0.3159 | 0.2102 |
| 0.925 | 116.25 | 0.1607 | 0.0803 |
| 0.925 | 131.25 | 0.139 | 0.0695 |
| 0.925 | 146.25 | 0.3033 | 0.1486 |
| 0.925 | 161.25 | 0.1366 | 0.0649 |
| 0.925 | 168.75 | 0.2375 | 0.119 |
| 0.925 | 176.25 | 0.2838 | 0.1316 |
| 0.925 | 183.75 | 0.1656 | 0.0769 |
| 0.925 | 191.25 | 0.1682 | 0.0821 |
| 0.925 | 213.75 | 0.2362 | 0.1288 |
| 0.925 | 221.25 | 0.2382 | 0.1443 |
| 0.925 | 236.25 | 0.1246 | 0.0632 |
| 0.925 | 251.25 | 0.152 | 0.0871 |
| 0.925 | 258.75 | 0.1375 | 0.0734 |
| 0.925 | 266.25 | 0.1057 | 0.0664 |
| 0.925 | 273.75 | 0.1217 | 0.0607 |
| 0.925 | 288.75 | 0.5424 | 0.3488 |
| 0.925 | 303.75 | 0.1979 | 0.1118 |
| 0.925 | 311.25 | 0.1119 | 0.0513 |
| 0.925 | 326.25 | 0.1462 | 0.0649 |
| 0.925 | 333.75 | 0.2078 | 0.1061 |
| 0.925 | 341.25 | 0.1418 | 0.0699 |
| 0.925 | 348.75 | 0.2315 | 0.1066 |
| 0.925 | 356.25 | 0.1376 | 0.0745 |
| 0.975 | 11.25 | 0.348 | 0.1364 |
| 0.975 | 18.75 | 0.2312 | 0.1114 |
| 0.975 | 26.25 | 0.4741 | 0.2119 |
| 0.975 | 33.75 | 0.2376 | 0.0955 |
| 0.975 | 41.25 | 0.1733 | 0.0702 |
| 0.975 | 48.75 | 0.2353 | 0.0923 |
| 0.975 | 56.25 | 0.1044 | 0.0438 |
| 0.975 | 63.75 | 0.2962 | 0.1761 |
| 0.975 | 71.25 | 0.2406 | 0.1229 |
| 0.975 | 78.75 | 0.4236 | 0.275 |
| 0.975 | 86.25 | 0.5216 | 0.3341 |
| 0.975 | 93.75 | 0.1447 | 0.0825 |
| 0.975 | 101.25 | 0.1847 | 0.0868 |
| 0.975 | 108.75 | 0.3679 | 0.1794 |
| 0.975 | 116.25 | 0.2114 | 0.0896 |
| 0.975 | 123.75 | 0.2266 | 0.1082 |
| 0.975 | 131.25 | 0.1886 | 0.097 |
| 0.975 | 138.75 | 0.1152 | 0.056 |
| 0.975 | 146.25 | 0.1081 | 0.052 |
| 0.975 | 153.75 | 0.1556 | 0.0736 |
| 0.975 | 161.25 | 0.2114 | 0.0962 |
| 0.975 | 168.75 | 0.1257 | 0.0582 |
| 0.975 | 176.25 | 0.2023 | 0.1232 |
| 0.975 | 183.75 | 0.2332 | 0.1279 |
| 0.975 | 191.25 | 0.1334 | 0.0794 |
| 0.975 | 198.75 | 0.2642 | 0.1241 |
| 0.975 | 206.25 | 0.3506 | 0.1717 |
| 0.975 | 213.75 | 0.2611 | 0.1306 |
| 0.975 | 221.25 | 0.246 | 0.1159 |
| 0.975 | 228.75 | 0.6808 | 0.3833 |
| 0.975 | 236.25 | 0.3524 | 0.2077 |
| 0.975 | 243.75 | 0.1322 | 0.0709 |
| 0.975 | 266.25 | 0.2504 | 0.1259 |
| 0.975 | 273.75 | 0.2484 | 0.1721 |
| 0.975 | 281.25 | 0.1356 | 0.0634 |
| 0.975 | 288.75 | 0.1421 | 0.0759 |
| 0.975 | 296.25 | 0.3134 | 0.1449 |
| 0.975 | 303.75 | 0.1237 | 0.0511 |
| 0.975 | 318.75 | 0.2457 | 0.1027 |
| 0.975 | 326.25 | 0.1316 | 0.0614 |
| 0.975 | 333.75 | 0.2194 | 0.1054 |
| 0.975 | 341.25 | 0.3582 | 0.1751 |
| 0.975 | 348.75 | 0.4461 | 0.2172 |
| 0.975 | 356.25 | 0.1977 | 0.0911 |
Experiment comment: