Measurement E141M2
| 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: | 1.615 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 1.3231 | 0.2047 |
| -0.9 | 45.0 | 0.9232 | 0.151 |
| -0.9 | 75.0 | 1.0562 | 0.1804 |
| -0.9 | 105.0 | 0.8657 | 0.1241 |
| -0.9 | 135.0 | 0.8296 | 0.1302 |
| -0.9 | 165.0 | 0.646 | 0.1195 |
| -0.9 | 195.0 | 0.836 | 0.37 |
| -0.9 | 225.0 | 0.7872 | 0.1082 |
| -0.9 | 255.0 | 0.7639 | 0.131 |
| -0.9 | 285.0 | 0.7806 | 0.1272 |
| -0.9 | 315.0 | 1.0921 | 0.1612 |
| -0.9 | 345.0 | 1.3743 | 0.1914 |
| -0.7 | 15.0 | 0.6744 | 0.1207 |
| -0.7 | 45.0 | 1.0916 | 0.128 |
| -0.7 | 75.0 | 1.0685 | 0.1349 |
| -0.7 | 105.0 | 0.8252 | 0.0834 |
| -0.7 | 135.0 | 0.786 | 0.09 |
| -0.7 | 165.0 | 0.7467 | 0.1597 |
| -0.7 | 195.0 | 0.72 | 0.0937 |
| -0.7 | 225.0 | 0.9933 | 0.1142 |
| -0.7 | 255.0 | 1.2785 | 0.1282 |
| -0.7 | 285.0 | 1.1302 | 0.1384 |
| -0.7 | 315.0 | 0.998 | 0.13 |
| -0.7 | 345.0 | 0.7751 | 0.1301 |
| -0.5 | 15.0 | 0.601 | 0.1202 |
| -0.5 | 45.0 | 1.2708 | 0.1783 |
| -0.5 | 75.0 | 1.7538 | 0.1788 |
| -0.5 | 105.0 | 1.9767 | 0.1667 |
| -0.5 | 135.0 | 1.3202 | 0.1287 |
| -0.5 | 165.0 | 0.8366 | 0.0887 |
| -0.5 | 195.0 | 0.9824 | 0.1052 |
| -0.5 | 225.0 | 1.2181 | 0.1208 |
| -0.5 | 255.0 | 1.4977 | 0.137 |
| -0.5 | 285.0 | 1.5921 | 0.1635 |
| -0.5 | 315.0 | 1.3515 | 0.1708 |
| -0.5 | 345.0 | 0.7462 | 0.1416 |
| -0.3 | 15.0 | 0.7798 | 0.1354 |
| -0.3 | 45.0 | 1.2138 | 0.2022 |
| -0.3 | 75.0 | 1.3841 | 0.1465 |
| -0.3 | 105.0 | 1.475 | 0.1333 |
| -0.3 | 135.0 | 1.3739 | 0.1195 |
| -0.3 | 165.0 | 0.9628 | 0.089 |
| -0.3 | 195.0 | 1.1024 | 0.0981 |
| -0.3 | 225.0 | 1.0549 | 0.1044 |
| -0.3 | 255.0 | 1.3367 | 0.1176 |
| -0.3 | 285.0 | 1.3715 | 0.1486 |
| -0.3 | 315.0 | 1.1841 | 0.2165 |
| -0.3 | 345.0 | 0.4472 | 0.1034 |
| -0.1 | 15.0 | 0.6382 | 0.0977 |
| -0.1 | 45.0 | 1.2797 | 0.1984 |
| -0.1 | 75.0 | 1.3609 | 0.135 |
| -0.1 | 105.0 | 1.4313 | 0.1299 |
| -0.1 | 135.0 | 1.233 | 0.1174 |
| -0.1 | 165.0 | 1.2171 | 0.0984 |
| -0.1 | 195.0 | 1.2026 | 0.101 |
| -0.1 | 225.0 | 1.2459 | 0.1232 |
| -0.1 | 255.0 | 1.1939 | 0.1133 |
| -0.1 | 285.0 | 1.1969 | 0.1296 |
| -0.1 | 345.0 | 0.6416 | 0.1326 |
| 0.1 | 15.0 | 0.6593 | 0.1378 |
| 0.1 | 45.0 | 1.0603 | 0.1259 |
| 0.1 | 75.0 | 1.4308 | 0.1367 |
| 0.1 | 105.0 | 1.5192 | 0.1407 |
| 0.1 | 165.0 | 0.9828 | 0.0801 |
| 0.1 | 195.0 | 1.0767 | 0.0833 |
| 0.1 | 225.0 | 0.9125 | 0.1038 |
| 0.1 | 255.0 | 1.134 | 0.1084 |
| 0.1 | 285.0 | 1.3614 | 0.139 |
| 0.1 | 315.0 | 1.36 | 0.2015 |
| 0.1 | 345.0 | 0.7027 | 0.2039 |
| 0.3 | 15.0 | 0.531 | 0.0724 |
| 0.3 | 45.0 | 1.0132 | 0.0781 |
| 0.3 | 75.0 | 1.621 | 0.123 |
| 0.3 | 105.0 | 1.4063 | 0.1126 |
| 0.3 | 135.0 | 1.3618 | 0.1226 |
| 0.3 | 165.0 | 1.0178 | 0.0789 |
| 0.3 | 195.0 | 1.1998 | 0.0886 |
| 0.3 | 225.0 | 1.2776 | 0.109 |
| 0.3 | 285.0 | 1.2518 | 0.1195 |
| 0.3 | 315.0 | 1.0165 | 0.0939 |
| 0.3 | 345.0 | 0.8895 | 0.1269 |
| 0.5 | 15.0 | 0.7268 | 0.0953 |
| 0.5 | 45.0 | 1.004 | 0.0823 |
| 0.5 | 75.0 | 2.0902 | 0.1873 |
| 0.5 | 105.0 | 2.0325 | 0.1854 |
| 0.5 | 165.0 | 0.998 | 0.0806 |
| 0.5 | 195.0 | 1.2072 | 0.0981 |
| 0.5 | 225.0 | 1.4457 | 0.1332 |
| 0.5 | 255.0 | 2.1166 | 0.2114 |
| 0.5 | 285.0 | 1.9468 | 0.2199 |
| 0.5 | 315.0 | 1.1162 | 0.1088 |
| 0.5 | 345.0 | 0.7776 | 0.1069 |
| 0.7 | 15.0 | 0.7898 | 0.0668 |
| 0.7 | 45.0 | 1.6705 | 0.1334 |
| 0.7 | 75.0 | 2.4594 | 0.203 |
| 0.7 | 105.0 | 2.601 | 0.2496 |
| 0.7 | 135.0 | 1.7262 | 0.1509 |
| 0.7 | 165.0 | 1.13 | 0.0912 |
| 0.7 | 195.0 | 1.1922 | 0.0985 |
| 0.7 | 225.0 | 1.7864 | 0.159 |
| 0.7 | 255.0 | 2.295 | 0.2355 |
| 0.7 | 285.0 | 2.4025 | 0.2341 |
| 0.7 | 315.0 | 1.3605 | 0.1249 |
| 0.7 | 345.0 | 0.7573 | 0.0622 |
| 0.9 | 15.0 | 1.4827 | 0.0945 |
| 0.9 | 45.0 | 1.4701 | 0.1015 |
| 0.9 | 75.0 | 1.6903 | 0.1324 |
| 0.9 | 105.0 | 1.8598 | 0.1491 |
| 0.9 | 135.0 | 2.0462 | 0.1733 |
| 0.9 | 165.0 | 1.4491 | 0.1311 |
| 0.9 | 195.0 | 1.6107 | 0.1412 |
| 0.9 | 225.0 | 1.8815 | 0.1632 |
| 0.9 | 255.0 | 1.9105 | 0.1491 |
| 0.9 | 285.0 | 1.5833 | 0.1165 |
| 0.9 | 315.0 | 1.6665 | 0.1126 |
| 0.9 | 345.0 | 1.2715 | 0.0836 |
Experiment comment: