Measurement E141M24
| 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: | 1.605 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.437 | 0.0828 |
| -0.9 | 45.0 | 0.6173 | 0.1199 |
| -0.9 | 75.0 | 0.6753 | 0.1288 |
| -0.9 | 105.0 | 0.5546 | 0.0875 |
| -0.9 | 135.0 | 0.4171 | 0.0727 |
| -0.9 | 165.0 | 0.4355 | 0.0808 |
| -0.9 | 195.0 | 0.3424 | 0.0695 |
| -0.9 | 225.0 | 0.3859 | 0.0599 |
| -0.9 | 255.0 | 0.363 | 0.0641 |
| -0.9 | 285.0 | 0.494 | 0.0953 |
| -0.9 | 315.0 | 0.5337 | 0.0879 |
| -0.9 | 345.0 | 0.4823 | 0.0956 |
| -0.7 | 45.0 | 0.2089 | 0.0364 |
| -0.7 | 75.0 | 0.9898 | 0.1385 |
| -0.7 | 105.0 | 0.6511 | 0.075 |
| -0.7 | 135.0 | 0.5786 | 0.0789 |
| -0.7 | 165.0 | 0.5283 | 0.0761 |
| -0.7 | 195.0 | 0.6009 | 0.0773 |
| -0.7 | 225.0 | 0.8277 | 0.1022 |
| -0.7 | 255.0 | 0.8136 | 0.0898 |
| -0.7 | 285.0 | 0.9251 | 0.1331 |
| -0.5 | 15.0 | 0.5416 | 0.1305 |
| -0.5 | 45.0 | 0.7331 | 0.1142 |
| -0.5 | 75.0 | 0.9326 | 0.1134 |
| -0.5 | 105.0 | 1.2492 | 0.1254 |
| -0.5 | 135.0 | 0.8998 | 0.0974 |
| -0.5 | 165.0 | 0.7153 | 0.0798 |
| -0.5 | 195.0 | 0.7463 | 0.082 |
| -0.5 | 225.0 | 0.8483 | 0.0921 |
| -0.5 | 255.0 | 0.9529 | 0.0993 |
| -0.5 | 285.0 | 0.9256 | 0.1215 |
| -0.5 | 315.0 | 0.7025 | 0.1183 |
| -0.5 | 345.0 | 0.4982 | 0.1091 |
| -0.3 | 15.0 | 0.6155 | 0.1327 |
| -0.3 | 45.0 | 0.9517 | 0.1641 |
| -0.3 | 75.0 | 0.7359 | 0.0924 |
| -0.3 | 105.0 | 0.7542 | 0.0803 |
| -0.3 | 135.0 | 0.7828 | 0.084 |
| -0.3 | 165.0 | 0.7314 | 0.0735 |
| -0.3 | 195.0 | 0.7737 | 0.0791 |
| -0.3 | 225.0 | 0.8263 | 0.0885 |
| -0.3 | 255.0 | 0.9362 | 0.1003 |
| -0.3 | 285.0 | 0.8333 | 0.1052 |
| -0.3 | 315.0 | 0.5016 | 0.1172 |
| -0.1 | 15.0 | 0.4579 | 0.1092 |
| -0.1 | 45.0 | 0.9209 | 0.1719 |
| -0.1 | 75.0 | 0.9885 | 0.1177 |
| -0.1 | 105.0 | 0.7492 | 0.08 |
| -0.1 | 135.0 | 0.7901 | 0.0894 |
| -0.1 | 165.0 | 0.821 | 0.076 |
| -0.1 | 195.0 | 0.9289 | 0.0838 |
| -0.1 | 225.0 | 0.8648 | 0.0875 |
| -0.1 | 255.0 | 0.7499 | 0.0816 |
| -0.1 | 285.0 | 0.8803 | 0.1176 |
| -0.1 | 315.0 | 0.7752 | 0.1721 |
| 0.1 | 15.0 | 0.3315 | 0.1486 |
| 0.1 | 45.0 | 0.6289 | 0.1273 |
| 0.1 | 75.0 | 0.8442 | 0.1503 |
| 0.1 | 105.0 | 0.6714 | 0.1085 |
| 0.1 | 135.0 | 0.4865 | 0.0841 |
| 0.1 | 165.0 | 0.6286 | 0.0738 |
| 0.1 | 195.0 | 0.6341 | 0.0809 |
| 0.1 | 225.0 | 0.5165 | 0.0871 |
| 0.1 | 255.0 | 0.6859 | 0.1062 |
| 0.1 | 285.0 | 0.8447 | 0.2009 |
| 0.1 | 315.0 | 0.7099 | 0.2039 |
| 0.3 | 15.0 | 0.3741 | 0.0723 |
| 0.3 | 45.0 | 0.7465 | 0.0986 |
| 0.3 | 75.0 | 0.8997 | 0.1378 |
| 0.3 | 105.0 | 0.5682 | 0.0706 |
| 0.3 | 135.0 | 0.6536 | 0.0922 |
| 0.3 | 165.0 | 0.5752 | 0.0654 |
| 0.3 | 195.0 | 0.6197 | 0.0702 |
| 0.3 | 225.0 | 0.5231 | 0.0729 |
| 0.3 | 255.0 | 0.4888 | 0.0707 |
| 0.3 | 285.0 | 0.9825 | 0.195 |
| 0.3 | 315.0 | 1.0538 | 0.1887 |
| 0.3 | 345.0 | 0.5815 | 0.1631 |
| 0.5 | 15.0 | 0.3449 | 0.0609 |
| 0.5 | 45.0 | 0.9379 | 0.1611 |
| 0.5 | 75.0 | 1.2771 | 0.224 |
| 0.5 | 105.0 | 1.0163 | 0.18 |
| 0.5 | 135.0 | 0.6126 | 0.0903 |
| 0.5 | 165.0 | 0.7031 | 0.0863 |
| 0.5 | 195.0 | 0.5859 | 0.0701 |
| 0.5 | 225.0 | 0.6724 | 0.0966 |
| 0.5 | 255.0 | 0.8909 | 0.1675 |
| 0.5 | 285.0 | 1.213 | 0.3741 |
| 0.5 | 315.0 | 0.9905 | 0.2078 |
| 0.5 | 345.0 | 0.4694 | 0.0877 |
| 0.7 | 15.0 | 0.4026 | 0.0396 |
| 0.7 | 45.0 | 0.9038 | 0.0943 |
| 0.7 | 75.0 | 1.3453 | 0.1459 |
| 0.7 | 105.0 | 1.3454 | 0.1601 |
| 0.7 | 135.0 | 0.7933 | 0.09 |
| 0.7 | 165.0 | 0.4627 | 0.0485 |
| 0.7 | 195.0 | 0.5697 | 0.0579 |
| 0.7 | 225.0 | 0.9171 | 0.1035 |
| 0.7 | 255.0 | 1.4879 | 0.2191 |
| 0.7 | 285.0 | 1.3831 | 0.1786 |
| 0.7 | 315.0 | 0.9936 | 0.1193 |
| 0.7 | 345.0 | 0.4414 | 0.0456 |
| 0.9 | 15.0 | 1.1975 | 0.1027 |
| 0.9 | 45.0 | 1.0808 | 0.0974 |
| 0.9 | 75.0 | 0.9417 | 0.095 |
| 0.9 | 105.0 | 1.1628 | 0.1145 |
| 0.9 | 135.0 | 0.9663 | 0.1051 |
| 0.9 | 165.0 | 0.9014 | 0.1067 |
| 0.9 | 195.0 | 0.8843 | 0.1 |
| 0.9 | 225.0 | 0.9962 | 0.1115 |
| 0.9 | 255.0 | 0.9257 | 0.0949 |
| 0.9 | 285.0 | 1.0655 | 0.094 |
| 0.9 | 315.0 | 1.162 | 0.1045 |
| 0.9 | 345.0 | 1.0569 | 0.0928 |
Experiment comment: