Measurement E141M50
| 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: | 2.6 GeV2 | |
| W: | 1.635 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.4495 | 0.1056 |
| -0.9 | 45.0 | 0.4774 | 0.0828 |
| -0.9 | 75.0 | 0.5226 | 0.1209 |
| -0.9 | 105.0 | 0.3926 | 0.0786 |
| -0.9 | 135.0 | 0.4094 | 0.0868 |
| -0.9 | 165.0 | 0.3738 | 0.0847 |
| -0.9 | 195.0 | 0.4111 | 0.0845 |
| -0.9 | 225.0 | 0.4651 | 0.0857 |
| -0.9 | 255.0 | 0.397 | 0.0781 |
| -0.9 | 285.0 | 0.4296 | 0.1017 |
| -0.9 | 315.0 | 0.555 | 0.1199 |
| -0.9 | 345.0 | 0.4029 | 0.0714 |
| -0.7 | 15.0 | 0.4382 | 0.0866 |
| -0.7 | 75.0 | 0.6005 | 0.1142 |
| -0.7 | 105.0 | 0.5726 | 0.0804 |
| -0.7 | 135.0 | 0.5831 | 0.0993 |
| -0.7 | 165.0 | 0.4818 | 0.077 |
| -0.7 | 195.0 | 0.4985 | 0.0884 |
| -0.7 | 225.0 | 0.4411 | 0.0682 |
| -0.7 | 255.0 | 0.6317 | 0.1016 |
| -0.7 | 285.0 | 0.5641 | 0.0992 |
| -0.7 | 315.0 | 0.48 | 0.1029 |
| -0.7 | 345.0 | 0.4726 | 0.087 |
| -0.5 | 45.0 | 0.8147 | 0.1622 |
| -0.5 | 75.0 | 0.7038 | 0.1335 |
| -0.5 | 105.0 | 0.6403 | 0.0793 |
| -0.5 | 135.0 | 0.5721 | 0.0793 |
| -0.5 | 165.0 | 0.5428 | 0.0751 |
| -0.5 | 195.0 | 0.4964 | 0.0673 |
| -0.5 | 225.0 | 0.5034 | 0.0771 |
| -0.5 | 255.0 | 0.7267 | 0.0936 |
| -0.5 | 285.0 | 1.0295 | 0.1651 |
| -0.5 | 315.0 | 0.7217 | 0.1461 |
| -0.3 | 15.0 | 0.3085 | 0.079 |
| -0.3 | 45.0 | 0.6167 | 0.14 |
| -0.3 | 75.0 | 0.4817 | 0.0753 |
| -0.3 | 105.0 | 0.5421 | 0.0776 |
| -0.3 | 135.0 | 0.5445 | 0.0712 |
| -0.3 | 165.0 | 0.4925 | 0.0576 |
| -0.3 | 195.0 | 0.5348 | 0.068 |
| -0.3 | 225.0 | 0.518 | 0.071 |
| -0.3 | 255.0 | 0.6768 | 0.0916 |
| -0.3 | 285.0 | 0.6422 | 0.1114 |
| -0.1 | 15.0 | 0.254 | 0.1008 |
| -0.1 | 45.0 | 0.5492 | 0.114 |
| -0.1 | 75.0 | 0.6321 | 0.0976 |
| -0.1 | 105.0 | 0.609 | 0.0883 |
| -0.1 | 135.0 | 0.6087 | 0.0854 |
| -0.1 | 165.0 | 0.6777 | 0.0733 |
| -0.1 | 195.0 | 0.6071 | 0.0653 |
| -0.1 | 225.0 | 0.5967 | 0.0825 |
| -0.1 | 255.0 | 0.5337 | 0.0768 |
| -0.1 | 285.0 | 0.5567 | 0.0939 |
| -0.1 | 315.0 | 0.5137 | 0.1328 |
| 0.1 | 45.0 | 0.6497 | 0.1087 |
| 0.1 | 75.0 | 0.603 | 0.08 |
| 0.1 | 105.0 | 0.5311 | 0.0705 |
| 0.1 | 135.0 | 0.5349 | 0.0796 |
| 0.1 | 165.0 | 0.5119 | 0.0565 |
| 0.1 | 195.0 | 0.5364 | 0.0584 |
| 0.1 | 225.0 | 0.581 | 0.0828 |
| 0.1 | 255.0 | 0.5809 | 0.0779 |
| 0.1 | 315.0 | 0.5043 | 0.1122 |
| 0.3 | 15.0 | 0.4773 | 0.0992 |
| 0.3 | 45.0 | 0.5974 | 0.0829 |
| 0.3 | 75.0 | 0.7426 | 0.0903 |
| 0.3 | 105.0 | 0.6585 | 0.0884 |
| 0.3 | 135.0 | 0.496 | 0.0609 |
| 0.3 | 165.0 | 0.5371 | 0.0517 |
| 0.3 | 195.0 | 0.4756 | 0.0461 |
| 0.3 | 225.0 | 0.5192 | 0.0689 |
| 0.3 | 255.0 | 0.621 | 0.09 |
| 0.3 | 285.0 | 0.743 | 0.1033 |
| 0.3 | 315.0 | 0.6664 | 0.0974 |
| 0.3 | 345.0 | 0.1364 | 0.0445 |
| 0.5 | 15.0 | 0.5244 | 0.1022 |
| 0.5 | 45.0 | 0.7702 | 0.1227 |
| 0.5 | 75.0 | 0.8788 | 0.1173 |
| 0.5 | 105.0 | 0.6606 | 0.0975 |
| 0.5 | 135.0 | 0.5154 | 0.0682 |
| 0.5 | 165.0 | 0.4297 | 0.0505 |
| 0.5 | 195.0 | 0.3943 | 0.0445 |
| 0.5 | 225.0 | 0.629 | 0.0866 |
| 0.5 | 255.0 | 0.8277 | 0.1638 |
| 0.5 | 285.0 | 0.9046 | 0.1425 |
| 0.5 | 315.0 | 0.7682 | 0.1535 |
| 0.5 | 345.0 | 0.4276 | 0.092 |
| 0.7 | 15.0 | 0.6864 | 0.0816 |
| 0.7 | 45.0 | 0.9058 | 0.122 |
| 0.7 | 75.0 | 1.1048 | 0.1332 |
| 0.7 | 105.0 | 0.9163 | 0.1328 |
| 0.7 | 135.0 | 0.9075 | 0.1304 |
| 0.7 | 165.0 | 0.5956 | 0.0778 |
| 0.7 | 195.0 | 0.6389 | 0.0876 |
| 0.7 | 225.0 | 0.8725 | 0.1496 |
| 0.7 | 255.0 | 1.0016 | 0.1525 |
| 0.7 | 285.0 | 1.08 | 0.1505 |
| 0.7 | 315.0 | 0.7067 | 0.1091 |
| 0.7 | 345.0 | 0.6385 | 0.0814 |
| 0.9 | 15.0 | 0.9451 | 0.0985 |
| 0.9 | 45.0 | 0.916 | 0.1011 |
| 0.9 | 75.0 | 0.9814 | 0.1047 |
| 0.9 | 105.0 | 0.7675 | 0.091 |
| 0.9 | 135.0 | 0.7811 | 0.0998 |
| 0.9 | 165.0 | 0.6156 | 0.0865 |
| 0.9 | 195.0 | 0.6068 | 0.0802 |
| 0.9 | 225.0 | 0.7158 | 0.0957 |
| 0.9 | 255.0 | 0.6641 | 0.0821 |
| 0.9 | 285.0 | 0.7935 | 0.083 |
| 0.9 | 315.0 | 0.8709 | 0.0929 |
| 0.9 | 345.0 | 0.9338 | 0.0948 |
Experiment comment: