Measurement E141M25
| 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: | 2.2 GeV2 | |
| W: | 1.615 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.4484 | 0.0913 |
| -0.9 | 45.0 | 0.6334 | 0.1047 |
| -0.9 | 75.0 | 0.6928 | 0.136 |
| -0.9 | 105.0 | 0.569 | 0.0936 |
| -0.9 | 135.0 | 0.428 | 0.0815 |
| -0.9 | 165.0 | 0.4469 | 0.1242 |
| -0.9 | 195.0 | 0.3513 | 0.0651 |
| -0.9 | 225.0 | 0.3959 | 0.0721 |
| -0.9 | 255.0 | 0.3724 | 0.0637 |
| -0.9 | 285.0 | 0.5069 | 0.0905 |
| -0.9 | 315.0 | 0.5476 | 0.089 |
| -0.9 | 345.0 | 0.5309 | 0.0819 |
| -0.7 | 15.0 | 0.6444 | 0.1152 |
| -0.7 | 45.0 | 0.6268 | 0.092 |
| -0.7 | 75.0 | 1.0155 | 0.145 |
| -0.7 | 105.0 | 0.668 | 0.0804 |
| -0.7 | 135.0 | 0.5936 | 0.0811 |
| -0.7 | 165.0 | 0.542 | 0.0718 |
| -0.7 | 195.0 | 0.6165 | 0.081 |
| -0.7 | 225.0 | 0.8492 | 0.1008 |
| -0.7 | 255.0 | 0.8347 | 0.1032 |
| -0.7 | 285.0 | 0.9491 | 0.1271 |
| -0.7 | 315.0 | 0.7775 | 0.1144 |
| -0.7 | 345.0 | 0.5319 | 0.0961 |
| -0.5 | 15.0 | 0.5976 | 0.1307 |
| -0.5 | 45.0 | 0.7521 | 0.1318 |
| -0.5 | 75.0 | 0.9568 | 0.1379 |
| -0.5 | 105.0 | 1.2817 | 0.1317 |
| -0.5 | 135.0 | 0.9232 | 0.1031 |
| -0.5 | 165.0 | 0.7339 | 0.088 |
| -0.5 | 195.0 | 0.7657 | 0.0872 |
| -0.5 | 225.0 | 0.8703 | 0.1014 |
| -0.5 | 255.0 | 0.9776 | 0.0958 |
| -0.5 | 285.0 | 0.9496 | 0.1242 |
| -0.5 | 315.0 | 0.7208 | 0.1181 |
| -0.3 | 15.0 | 0.6315 | 0.1491 |
| -0.3 | 45.0 | 0.9764 | 0.1844 |
| -0.3 | 75.0 | 0.755 | 0.0893 |
| -0.3 | 105.0 | 0.7738 | 0.0841 |
| -0.3 | 135.0 | 0.8032 | 0.0859 |
| -0.3 | 165.0 | 0.7504 | 0.077 |
| -0.3 | 195.0 | 0.7938 | 0.0779 |
| -0.3 | 225.0 | 0.8478 | 0.0962 |
| -0.3 | 255.0 | 0.9605 | 0.1009 |
| -0.3 | 285.0 | 0.8549 | 0.115 |
| -0.3 | 315.0 | 0.5146 | 0.1195 |
| -0.1 | 15.0 | 0.4698 | 0.1289 |
| -0.1 | 45.0 | 0.9448 | 0.1652 |
| -0.1 | 75.0 | 1.0142 | 0.1351 |
| -0.1 | 105.0 | 0.7686 | 0.0867 |
| -0.1 | 135.0 | 0.8106 | 0.0922 |
| -0.1 | 165.0 | 0.8424 | 0.084 |
| -0.1 | 195.0 | 0.953 | 0.0868 |
| -0.1 | 225.0 | 0.8873 | 0.0932 |
| -0.1 | 255.0 | 0.7694 | 0.0816 |
| -0.1 | 285.0 | 0.9031 | 0.1129 |
| 0.1 | 15.0 | 0.3401 | 0.1649 |
| 0.1 | 45.0 | 0.6452 | 0.1438 |
| 0.1 | 75.0 | 0.8661 | 0.1561 |
| 0.1 | 105.0 | 0.6888 | 0.1227 |
| 0.1 | 135.0 | 0.4992 | 0.0762 |
| 0.1 | 165.0 | 0.645 | 0.0885 |
| 0.1 | 195.0 | 0.6506 | 0.09 |
| 0.1 | 225.0 | 0.5299 | 0.0844 |
| 0.1 | 255.0 | 0.7037 | 0.1299 |
| 0.1 | 285.0 | 0.8666 | 0.1862 |
| 0.1 | 315.0 | 0.7284 | 0.2189 |
| 0.3 | 15.0 | 0.3838 | 0.0851 |
| 0.3 | 45.0 | 0.7659 | 0.1055 |
| 0.3 | 75.0 | 0.9231 | 0.1368 |
| 0.3 | 105.0 | 0.583 | 0.0767 |
| 0.3 | 135.0 | 0.6706 | 0.0872 |
| 0.3 | 165.0 | 0.5901 | 0.0642 |
| 0.3 | 195.0 | 0.6358 | 0.0684 |
| 0.3 | 225.0 | 0.5366 | 0.0738 |
| 0.3 | 255.0 | 0.5015 | 0.0679 |
| 0.3 | 285.0 | 1.008 | 0.1974 |
| 0.3 | 315.0 | 1.0812 | 0.1915 |
| 0.3 | 345.0 | 0.5966 | 0.1671 |
| 0.5 | 15.0 | 0.3538 | 0.0602 |
| 0.5 | 45.0 | 0.9622 | 0.1736 |
| 0.5 | 75.0 | 1.3103 | 0.2024 |
| 0.5 | 105.0 | 1.0427 | 0.1858 |
| 0.5 | 135.0 | 0.6285 | 0.092 |
| 0.5 | 165.0 | 0.7214 | 0.0863 |
| 0.5 | 195.0 | 0.6011 | 0.0701 |
| 0.5 | 225.0 | 0.6898 | 0.1024 |
| 0.5 | 255.0 | 0.914 | 0.1935 |
| 0.5 | 285.0 | 1.2445 | 0.3103 |
| 0.5 | 315.0 | 1.0162 | 0.2198 |
| 0.5 | 345.0 | 0.4815 | 0.1053 |
| 0.7 | 15.0 | 0.413 | 0.0403 |
| 0.7 | 45.0 | 0.9273 | 0.1 |
| 0.7 | 75.0 | 1.3802 | 0.1424 |
| 0.7 | 105.0 | 1.3803 | 0.1719 |
| 0.7 | 135.0 | 0.8139 | 0.094 |
| 0.7 | 165.0 | 0.4747 | 0.0489 |
| 0.7 | 195.0 | 0.5845 | 0.0594 |
| 0.7 | 225.0 | 0.9409 | 0.1047 |
| 0.7 | 255.0 | 1.5265 | 0.1822 |
| 0.7 | 285.0 | 1.419 | 0.1633 |
| 0.7 | 315.0 | 1.0194 | 0.1243 |
| 0.7 | 345.0 | 0.4529 | 0.0449 |
| 0.9 | 15.0 | 1.2286 | 0.1048 |
| 0.9 | 45.0 | 1.1088 | 0.0959 |
| 0.9 | 75.0 | 0.9662 | 0.092 |
| 0.9 | 105.0 | 1.193 | 0.1189 |
| 0.9 | 135.0 | 0.9914 | 0.1041 |
| 0.9 | 165.0 | 0.9248 | 0.1092 |
| 0.9 | 195.0 | 0.9073 | 0.1081 |
| 0.9 | 225.0 | 1.022 | 0.1109 |
| 0.9 | 255.0 | 0.9497 | 0.098 |
| 0.9 | 285.0 | 1.0932 | 0.0953 |
| 0.9 | 315.0 | 1.1922 | 0.098 |
| 0.9 | 345.0 | 1.0844 | 0.0912 |
Experiment comment: