Measurement E141M10
| 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: | 1.8 GeV2 | |
| W: | 1.695 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.7442 | 0.1129 |
| -0.9 | 45.0 | 0.8988 | 0.1437 |
| -0.9 | 75.0 | 0.7842 | 0.1475 |
| -0.9 | 105.0 | 0.5696 | 0.0895 |
| -0.9 | 135.0 | 0.6514 | 0.1171 |
| -0.9 | 165.0 | 0.5368 | 0.2711 |
| -0.9 | 225.0 | 0.5898 | 0.1158 |
| -0.9 | 255.0 | 0.6074 | 0.1023 |
| -0.9 | 285.0 | 0.7889 | 0.1442 |
| -0.9 | 315.0 | 0.8948 | 0.1294 |
| -0.9 | 345.0 | 0.8096 | 0.1236 |
| -0.7 | 15.0 | 0.7314 | 0.1279 |
| -0.7 | 45.0 | 0.8838 | 0.1102 |
| -0.7 | 75.0 | 0.9402 | 0.1236 |
| -0.7 | 105.0 | 0.8054 | 0.0918 |
| -0.7 | 135.0 | 0.375 | 0.0504 |
| -0.7 | 165.0 | 0.3464 | 0.0532 |
| -0.7 | 195.0 | 0.3291 | 0.056 |
| -0.7 | 225.0 | 0.5932 | 0.0769 |
| -0.7 | 255.0 | 0.9339 | 0.1096 |
| -0.7 | 285.0 | 0.9409 | 0.1342 |
| -0.7 | 315.0 | 0.9329 | 0.1335 |
| -0.7 | 345.0 | 0.8314 | 0.1553 |
| -0.5 | 15.0 | 0.5173 | 0.0945 |
| -0.5 | 45.0 | 0.7996 | 0.1061 |
| -0.5 | 75.0 | 1.0242 | 0.1299 |
| -0.5 | 105.0 | 1.1119 | 0.1062 |
| -0.5 | 135.0 | 0.8343 | 0.0981 |
| -0.5 | 165.0 | 0.5894 | 0.0678 |
| -0.5 | 195.0 | 0.6456 | 0.0727 |
| -0.5 | 225.0 | 0.8564 | 0.0938 |
| -0.5 | 255.0 | 1.0505 | 0.1016 |
| -0.5 | 285.0 | 1.0041 | 0.1274 |
| -0.5 | 315.0 | 0.6221 | 0.0925 |
| -0.5 | 345.0 | 0.4786 | 0.0926 |
| -0.3 | 15.0 | 0.3967 | 0.085 |
| -0.3 | 45.0 | 0.9634 | 0.1471 |
| -0.3 | 75.0 | 1.3675 | 0.1438 |
| -0.3 | 105.0 | 1.2087 | 0.1035 |
| -0.3 | 135.0 | 0.9001 | 0.0839 |
| -0.3 | 165.0 | 0.7801 | 0.0658 |
| -0.3 | 195.0 | 0.7795 | 0.0678 |
| -0.3 | 225.0 | 0.8394 | 0.0909 |
| -0.3 | 255.0 | 1.2381 | 0.1038 |
| -0.3 | 285.0 | 1.0048 | 0.0978 |
| -0.3 | 315.0 | 1.023 | 0.1727 |
| -0.3 | 345.0 | 0.2462 | 0.0471 |
| -0.1 | 15.0 | 0.3887 | 0.0687 |
| -0.1 | 45.0 | 1.0328 | 0.1456 |
| -0.1 | 75.0 | 1.4752 | 0.1314 |
| -0.1 | 105.0 | 1.359 | 0.1161 |
| -0.1 | 135.0 | 1.2748 | 0.1235 |
| -0.1 | 165.0 | 1.1224 | 0.0796 |
| -0.1 | 195.0 | 1.0094 | 0.0762 |
| -0.1 | 225.0 | 1.1001 | 0.1081 |
| -0.1 | 255.0 | 1.3492 | 0.1133 |
| -0.1 | 285.0 | 1.1616 | 0.1028 |
| -0.1 | 345.0 | 0.7068 | 0.1462 |
| 0.1 | 15.0 | 0.3712 | 0.123 |
| 0.1 | 45.0 | 0.9446 | 0.1067 |
| 0.1 | 75.0 | 1.6063 | 0.1277 |
| 0.1 | 105.0 | 1.6184 | 0.1253 |
| 0.1 | 135.0 | 1.2633 | 0.1242 |
| 0.1 | 165.0 | 0.9595 | 0.0722 |
| 0.1 | 195.0 | 1.0016 | 0.0719 |
| 0.1 | 225.0 | 1.2722 | 0.1232 |
| 0.1 | 255.0 | 1.3614 | 0.1096 |
| 0.1 | 285.0 | 1.6153 | 0.1421 |
| 0.1 | 315.0 | 1.2445 | 0.1808 |
| 0.1 | 345.0 | 0.4211 | 0.1014 |
| 0.3 | 15.0 | 0.44 | 0.0656 |
| 0.3 | 45.0 | 1.1237 | 0.08 |
| 0.3 | 75.0 | 2.1469 | 0.1407 |
| 0.3 | 105.0 | 1.6606 | 0.1206 |
| 0.3 | 135.0 | 1.372 | 0.1008 |
| 0.3 | 165.0 | 0.8473 | 0.0571 |
| 0.3 | 195.0 | 0.8582 | 0.059 |
| 0.3 | 225.0 | 1.3349 | 0.1036 |
| 0.3 | 255.0 | 1.5834 | 0.1166 |
| 0.3 | 285.0 | 2.0924 | 0.1794 |
| 0.3 | 315.0 | 1.2457 | 0.0999 |
| 0.3 | 345.0 | 0.614 | 0.0982 |
| 0.5 | 15.0 | 0.5102 | 0.0617 |
| 0.5 | 45.0 | 0.9932 | 0.07 |
| 0.5 | 75.0 | 2.123 | 0.1504 |
| 0.5 | 105.0 | 2.1723 | 0.186 |
| 0.5 | 135.0 | 1.1675 | 0.0949 |
| 0.5 | 165.0 | 0.9802 | 0.0695 |
| 0.5 | 195.0 | 0.9 | 0.0637 |
| 0.5 | 225.0 | 1.1893 | 0.0932 |
| 0.5 | 255.0 | 2.0661 | 0.1971 |
| 0.5 | 285.0 | 1.7535 | 0.1589 |
| 0.5 | 315.0 | 0.9842 | 0.081 |
| 0.5 | 345.0 | 0.6643 | 0.0998 |
| 0.7 | 15.0 | 0.6963 | 0.0563 |
| 0.7 | 45.0 | 1.1793 | 0.093 |
| 0.7 | 75.0 | 2.4726 | 0.1761 |
| 0.7 | 105.0 | 2.4611 | 0.2175 |
| 0.7 | 135.0 | 1.6433 | 0.1326 |
| 0.7 | 165.0 | 0.9171 | 0.0689 |
| 0.7 | 195.0 | 1.0039 | 0.0744 |
| 0.7 | 225.0 | 1.569 | 0.1269 |
| 0.7 | 255.0 | 2.2082 | 0.2085 |
| 0.7 | 285.0 | 2.2514 | 0.1919 |
| 0.7 | 315.0 | 1.2019 | 0.1097 |
| 0.7 | 345.0 | 0.7798 | 0.0627 |
| 0.9 | 15.0 | 1.1807 | 0.0706 |
| 0.9 | 45.0 | 1.3182 | 0.0788 |
| 0.9 | 75.0 | 1.5685 | 0.096 |
| 0.9 | 105.0 | 1.7092 | 0.1169 |
| 0.9 | 135.0 | 1.5502 | 0.1154 |
| 0.9 | 165.0 | 1.4453 | 0.1143 |
| 0.9 | 195.0 | 1.3748 | 0.1026 |
| 0.9 | 225.0 | 1.5352 | 0.1116 |
| 0.9 | 255.0 | 1.9038 | 0.1267 |
| 0.9 | 285.0 | 1.6934 | 0.1065 |
| 0.9 | 315.0 | 1.4324 | 0.0896 |
| 0.9 | 345.0 | 1.2283 | 0.0739 |
Experiment comment: