Measurement E141M28
| 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: | 1.645 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.8661 | 0.1292 |
| -0.9 | 45.0 | 0.8784 | 0.1401 |
| -0.9 | 75.0 | 0.835 | 0.1609 |
| -0.9 | 105.0 | 0.6555 | 0.113 |
| -0.9 | 135.0 | 0.7073 | 0.1166 |
| -0.9 | 165.0 | 0.5507 | 0.1593 |
| -0.9 | 195.0 | 0.5499 | 0.0959 |
| -0.9 | 225.0 | 0.7289 | 0.1165 |
| -0.9 | 255.0 | 0.5163 | 0.0933 |
| -0.9 | 285.0 | 0.7059 | 0.118 |
| -0.9 | 315.0 | 0.914 | 0.1352 |
| -0.9 | 345.0 | 0.8039 | 0.12 |
| -0.7 | 15.0 | 0.6755 | 0.1611 |
| -0.7 | 45.0 | 0.8143 | 0.1268 |
| -0.7 | 75.0 | 0.9329 | 0.1437 |
| -0.7 | 105.0 | 0.7452 | 0.0973 |
| -0.7 | 135.0 | 0.5484 | 0.077 |
| -0.7 | 165.0 | 0.5169 | 0.0741 |
| -0.7 | 195.0 | 0.5689 | 0.0819 |
| -0.7 | 225.0 | 0.706 | 0.0989 |
| -0.7 | 255.0 | 0.8218 | 0.0997 |
| -0.7 | 285.0 | 0.8692 | 0.1284 |
| -0.7 | 315.0 | 0.7711 | 0.1113 |
| -0.7 | 345.0 | 0.6196 | 0.1133 |
| -0.5 | 15.0 | 0.447 | 0.156 |
| -0.5 | 45.0 | 0.7825 | 0.1232 |
| -0.5 | 75.0 | 0.9239 | 0.139 |
| -0.5 | 105.0 | 1.1233 | 0.129 |
| -0.5 | 135.0 | 0.7871 | 0.0982 |
| -0.5 | 165.0 | 0.6214 | 0.0729 |
| -0.5 | 195.0 | 0.6656 | 0.0802 |
| -0.5 | 225.0 | 0.7578 | 0.1008 |
| -0.5 | 255.0 | 1.0162 | 0.1141 |
| -0.5 | 285.0 | 0.9405 | 0.1279 |
| -0.5 | 315.0 | 0.8132 | 0.1287 |
| -0.5 | 345.0 | 0.368 | 0.0834 |
| -0.3 | 15.0 | 0.5366 | 0.112 |
| -0.3 | 45.0 | 0.8267 | 0.1607 |
| -0.3 | 75.0 | 0.8065 | 0.1061 |
| -0.3 | 105.0 | 0.997 | 0.1097 |
| -0.3 | 135.0 | 0.9613 | 0.1092 |
| -0.3 | 165.0 | 0.8271 | 0.0833 |
| -0.3 | 195.0 | 0.7752 | 0.0781 |
| -0.3 | 225.0 | 0.8398 | 0.0964 |
| -0.3 | 255.0 | 0.9812 | 0.1051 |
| -0.3 | 285.0 | 0.7559 | 0.0968 |
| -0.1 | 15.0 | 0.4176 | 0.1169 |
| -0.1 | 45.0 | 0.7137 | 0.1299 |
| -0.1 | 75.0 | 0.9475 | 0.118 |
| -0.1 | 105.0 | 0.7125 | 0.0866 |
| -0.1 | 135.0 | 0.6593 | 0.0774 |
| -0.1 | 165.0 | 0.6944 | 0.0659 |
| -0.1 | 195.0 | 0.7408 | 0.0673 |
| -0.1 | 225.0 | 0.7099 | 0.0836 |
| -0.1 | 255.0 | 0.9068 | 0.1039 |
| -0.1 | 285.0 | 0.9001 | 0.1121 |
| 0.1 | 15.0 | 0.5512 | 0.1975 |
| 0.1 | 45.0 | 0.7809 | 0.1026 |
| 0.1 | 75.0 | 0.9148 | 0.1039 |
| 0.1 | 105.0 | 0.7922 | 0.0846 |
| 0.1 | 135.0 | 0.8583 | 0.0996 |
| 0.1 | 165.0 | 0.6488 | 0.0619 |
| 0.1 | 195.0 | 0.6836 | 0.0619 |
| 0.1 | 225.0 | 0.7577 | 0.0897 |
| 0.1 | 255.0 | 0.8603 | 0.0906 |
| 0.1 | 285.0 | 1.0425 | 0.1374 |
| 0.1 | 315.0 | 0.7801 | 0.1315 |
| 0.3 | 15.0 | 0.485 | 0.0714 |
| 0.3 | 45.0 | 0.9956 | 0.0938 |
| 0.3 | 75.0 | 1.2329 | 0.1146 |
| 0.3 | 105.0 | 0.9755 | 0.0977 |
| 0.3 | 135.0 | 0.7752 | 0.073 |
| 0.3 | 165.0 | 0.7386 | 0.057 |
| 0.3 | 195.0 | 0.7734 | 0.0628 |
| 0.3 | 225.0 | 0.7813 | 0.0764 |
| 0.3 | 255.0 | 0.8353 | 0.0872 |
| 0.3 | 285.0 | 1.2474 | 0.1544 |
| 0.3 | 315.0 | 1.0818 | 0.1182 |
| 0.3 | 345.0 | 0.6918 | 0.1287 |
| 0.5 | 15.0 | 0.2717 | 0.0399 |
| 0.5 | 45.0 | 0.8372 | 0.0905 |
| 0.5 | 75.0 | 1.1992 | 0.1174 |
| 0.5 | 105.0 | 1.187 | 0.1356 |
| 0.5 | 135.0 | 0.8248 | 0.0889 |
| 0.5 | 165.0 | 0.5916 | 0.0548 |
| 0.5 | 195.0 | 0.5504 | 0.0532 |
| 0.5 | 225.0 | 0.6865 | 0.0778 |
| 0.5 | 255.0 | 1.2235 | 0.1708 |
| 0.5 | 285.0 | 1.2624 | 0.1568 |
| 0.5 | 315.0 | 0.9377 | 0.1171 |
| 0.5 | 345.0 | 0.4371 | 0.0667 |
| 0.7 | 15.0 | 0.4179 | 0.0401 |
| 0.7 | 45.0 | 1.0583 | 0.1177 |
| 0.7 | 75.0 | 1.4024 | 0.1289 |
| 0.7 | 105.0 | 1.6558 | 0.181 |
| 0.7 | 135.0 | 1.1588 | 0.1332 |
| 0.7 | 165.0 | 0.7371 | 0.0732 |
| 0.7 | 195.0 | 0.7559 | 0.0758 |
| 0.7 | 225.0 | 1.1845 | 0.1303 |
| 0.7 | 255.0 | 1.708 | 0.2064 |
| 0.7 | 285.0 | 1.6973 | 0.1902 |
| 0.7 | 315.0 | 1.2106 | 0.1416 |
| 0.7 | 345.0 | 0.4638 | 0.043 |
| 0.9 | 15.0 | 1.2256 | 0.1027 |
| 0.9 | 45.0 | 1.0772 | 0.0878 |
| 0.9 | 75.0 | 1.0408 | 0.0899 |
| 0.9 | 105.0 | 1.1336 | 0.1094 |
| 0.9 | 135.0 | 1.1213 | 0.1154 |
| 0.9 | 165.0 | 1.1773 | 0.1244 |
| 0.9 | 195.0 | 1.0244 | 0.1126 |
| 0.9 | 225.0 | 1.1961 | 0.1205 |
| 0.9 | 255.0 | 1.1464 | 0.1092 |
| 0.9 | 285.0 | 1.0242 | 0.0896 |
| 0.9 | 315.0 | 1.2715 | 0.1034 |
| 0.9 | 345.0 | 1.3344 | 0.109 |
Experiment comment: