Measurement E141M11
| 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: | 1.705 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.6293 | 0.085 |
| -0.9 | 45.0 | 0.8127 | 0.1085 |
| -0.9 | 75.0 | 0.6616 | 0.109 |
| -0.9 | 105.0 | 0.4944 | 0.0814 |
| -0.9 | 135.0 | 0.558 | 0.1015 |
| -0.9 | 165.0 | 0.5055 | 0.1182 |
| -0.9 | 195.0 | 0.4815 | 0.133 |
| -0.9 | 225.0 | 0.4984 | 0.0851 |
| -0.9 | 255.0 | 0.568 | 0.0863 |
| -0.9 | 285.0 | 0.7012 | 0.1067 |
| -0.9 | 315.0 | 0.7802 | 0.0936 |
| -0.9 | 345.0 | 0.6784 | 0.0862 |
| -0.7 | 15.0 | 0.6193 | 0.086 |
| -0.7 | 45.0 | 0.7588 | 0.0891 |
| -0.7 | 75.0 | 0.8185 | 0.1021 |
| -0.7 | 105.0 | 0.6772 | 0.0698 |
| -0.7 | 135.0 | 0.3186 | 0.0406 |
| -0.7 | 165.0 | 0.2755 | 0.0456 |
| -0.7 | 195.0 | 0.2586 | 0.0359 |
| -0.7 | 225.0 | 0.4899 | 0.0645 |
| -0.7 | 255.0 | 0.8323 | 0.0919 |
| -0.7 | 285.0 | 0.848 | 0.1075 |
| -0.7 | 315.0 | 0.8211 | 0.1037 |
| -0.7 | 345.0 | 0.7009 | 0.1113 |
| -0.5 | 15.0 | 0.458 | 0.0824 |
| -0.5 | 45.0 | 0.7055 | 0.0952 |
| -0.5 | 75.0 | 0.8843 | 0.1004 |
| -0.5 | 105.0 | 0.9727 | 0.0846 |
| -0.5 | 135.0 | 0.7713 | 0.0792 |
| -0.5 | 165.0 | 0.5149 | 0.056 |
| -0.5 | 195.0 | 0.5591 | 0.0606 |
| -0.5 | 225.0 | 0.7743 | 0.0849 |
| -0.5 | 255.0 | 0.8818 | 0.0804 |
| -0.5 | 285.0 | 0.8872 | 0.098 |
| -0.5 | 315.0 | 0.5383 | 0.0661 |
| -0.5 | 345.0 | 0.4223 | 0.0895 |
| -0.3 | 15.0 | 0.359 | 0.0657 |
| -0.3 | 45.0 | 0.8959 | 0.1385 |
| -0.3 | 75.0 | 1.2796 | 0.1388 |
| -0.3 | 105.0 | 1.0886 | 0.0964 |
| -0.3 | 135.0 | 0.8025 | 0.079 |
| -0.3 | 165.0 | 0.6865 | 0.0615 |
| -0.3 | 195.0 | 0.7263 | 0.0624 |
| -0.3 | 225.0 | 0.7489 | 0.0754 |
| -0.3 | 255.0 | 1.1427 | 0.0956 |
| -0.3 | 285.0 | 0.8842 | 0.0917 |
| -0.3 | 315.0 | 0.9645 | 0.1716 |
| -0.3 | 345.0 | 0.1771 | 0.0345 |
| -0.1 | 15.0 | 0.384 | 0.0577 |
| -0.1 | 45.0 | 0.9949 | 0.1419 |
| -0.1 | 75.0 | 1.428 | 0.1227 |
| -0.1 | 105.0 | 1.3038 | 0.1145 |
| -0.1 | 135.0 | 1.2404 | 0.1122 |
| -0.1 | 165.0 | 1.0318 | 0.0727 |
| -0.1 | 195.0 | 0.9025 | 0.0621 |
| -0.1 | 225.0 | 1.0266 | 0.0966 |
| -0.1 | 255.0 | 1.2663 | 0.1099 |
| -0.1 | 285.0 | 1.1297 | 0.1038 |
| -0.1 | 345.0 | 0.5317 | 0.0975 |
| 0.1 | 15.0 | 0.3246 | 0.0674 |
| 0.1 | 45.0 | 0.876 | 0.0978 |
| 0.1 | 75.0 | 1.515 | 0.1204 |
| 0.1 | 105.0 | 1.4987 | 0.1258 |
| 0.1 | 135.0 | 1.2175 | 0.1176 |
| 0.1 | 165.0 | 0.8645 | 0.0622 |
| 0.1 | 195.0 | 0.8837 | 0.0615 |
| 0.1 | 225.0 | 1.1794 | 0.1154 |
| 0.1 | 255.0 | 1.2857 | 0.1094 |
| 0.1 | 285.0 | 1.5215 | 0.1424 |
| 0.1 | 315.0 | 1.2146 | 0.1598 |
| 0.1 | 345.0 | 0.5111 | 0.1396 |
| 0.3 | 15.0 | 0.3854 | 0.0578 |
| 0.3 | 45.0 | 1.0126 | 0.0671 |
| 0.3 | 75.0 | 2.0307 | 0.1348 |
| 0.3 | 105.0 | 1.5801 | 0.1145 |
| 0.3 | 135.0 | 1.2776 | 0.0952 |
| 0.3 | 165.0 | 0.7308 | 0.0485 |
| 0.3 | 195.0 | 0.7785 | 0.0528 |
| 0.3 | 225.0 | 1.2061 | 0.0895 |
| 0.3 | 255.0 | 1.4816 | 0.1152 |
| 0.3 | 285.0 | 2.0447 | 0.1643 |
| 0.3 | 315.0 | 1.1166 | 0.0872 |
| 0.3 | 345.0 | 0.5318 | 0.0918 |
| 0.5 | 15.0 | 0.4472 | 0.0502 |
| 0.5 | 45.0 | 0.9066 | 0.0633 |
| 0.5 | 105.0 | 2.0377 | 0.1751 |
| 0.5 | 135.0 | 1.0961 | 0.087 |
| 0.5 | 165.0 | 0.8849 | 0.0625 |
| 0.5 | 195.0 | 0.8052 | 0.0576 |
| 0.5 | 225.0 | 1.0638 | 0.0878 |
| 0.5 | 255.0 | 1.9197 | 0.2006 |
| 0.5 | 285.0 | 1.6324 | 0.1492 |
| 0.5 | 315.0 | 0.9034 | 0.074 |
| 0.5 | 345.0 | 0.5683 | 0.0772 |
| 0.7 | 15.0 | 0.6123 | 0.0477 |
| 0.7 | 45.0 | 1.0288 | 0.0832 |
| 0.7 | 75.0 | 2.2382 | 0.1654 |
| 0.7 | 105.0 | 2.2132 | 0.2096 |
| 0.7 | 135.0 | 1.5223 | 0.1324 |
| 0.7 | 165.0 | 0.8549 | 0.0674 |
| 0.7 | 195.0 | 0.9347 | 0.074 |
| 0.7 | 225.0 | 1.4487 | 0.1246 |
| 0.7 | 255.0 | 1.9449 | 0.1956 |
| 0.7 | 285.0 | 1.9897 | 0.1751 |
| 0.7 | 315.0 | 1.0488 | 0.0968 |
| 0.7 | 345.0 | 0.6782 | 0.0538 |
| 0.9 | 15.0 | 1.1123 | 0.0667 |
| 0.9 | 45.0 | 1.2424 | 0.0778 |
| 0.9 | 75.0 | 1.4842 | 0.092 |
| 0.9 | 105.0 | 1.5962 | 0.1132 |
| 0.9 | 135.0 | 1.5031 | 0.1139 |
| 0.9 | 165.0 | 1.4324 | 0.1187 |
| 0.9 | 195.0 | 1.3444 | 0.1071 |
| 0.9 | 225.0 | 1.4818 | 0.1122 |
| 0.9 | 255.0 | 1.7547 | 0.1232 |
| 0.9 | 285.0 | 1.604 | 0.1019 |
| 0.9 | 315.0 | 1.3504 | 0.0848 |
| 0.9 | 345.0 | 1.147 | 0.0702 |
Experiment comment: