Measurement E141M81
| 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: | 3.15 GeV2 | |
| W: | 1.715 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.1403 | 0.0262 |
| -0.9 | 45.0 | 0.2058 | 0.0479 |
| -0.9 | 75.0 | 0.2015 | 0.0472 |
| -0.9 | 105.0 | 0.1483 | 0.0269 |
| -0.9 | 135.0 | 0.1182 | 0.0271 |
| -0.9 | 165.0 | 0.1853 | 0.0448 |
| -0.9 | 195.0 | 0.1342 | 0.0334 |
| -0.9 | 225.0 | 0.1402 | 0.0319 |
| -0.9 | 255.0 | 0.1682 | 0.0326 |
| -0.9 | 285.0 | 0.2096 | 0.0469 |
| -0.9 | 315.0 | 0.1973 | 0.0462 |
| -0.9 | 345.0 | 0.0428 | 0.0107 |
| -0.7 | 15.0 | 0.1441 | 0.0329 |
| -0.7 | 45.0 | 0.2055 | 0.0355 |
| -0.7 | 75.0 | 0.1806 | 0.0325 |
| -0.7 | 105.0 | 0.1612 | 0.0249 |
| -0.7 | 135.0 | 0.1377 | 0.024 |
| -0.7 | 165.0 | 0.1278 | 0.023 |
| -0.7 | 195.0 | 0.1653 | 0.0303 |
| -0.7 | 225.0 | 0.1498 | 0.028 |
| -0.7 | 255.0 | 0.1549 | 0.0235 |
| -0.7 | 285.0 | 0.1636 | 0.0288 |
| -0.7 | 315.0 | 0.1929 | 0.0371 |
| -0.7 | 345.0 | 0.2797 | 0.0742 |
| -0.5 | 15.0 | 0.0493 | 0.0127 |
| -0.5 | 45.0 | 0.226 | 0.0436 |
| -0.5 | 75.0 | 0.267 | 0.0524 |
| -0.5 | 105.0 | 0.2442 | 0.0354 |
| -0.5 | 135.0 | 0.2002 | 0.0292 |
| -0.5 | 165.0 | 0.198 | 0.028 |
| -0.5 | 195.0 | 0.1787 | 0.0267 |
| -0.5 | 225.0 | 0.2389 | 0.0384 |
| -0.5 | 255.0 | 0.2211 | 0.0293 |
| -0.5 | 285.0 | 0.2375 | 0.0381 |
| -0.5 | 315.0 | 0.2121 | 0.0453 |
| -0.3 | 15.0 | 0.1097 | 0.0281 |
| -0.3 | 45.0 | 0.2053 | 0.0454 |
| -0.3 | 75.0 | 0.2142 | 0.0323 |
| -0.3 | 105.0 | 0.2969 | 0.0415 |
| -0.3 | 135.0 | 0.2609 | 0.0352 |
| -0.3 | 165.0 | 0.2084 | 0.0262 |
| -0.3 | 195.0 | 0.1565 | 0.0208 |
| -0.3 | 225.0 | 0.2531 | 0.036 |
| -0.3 | 255.0 | 0.267 | 0.0359 |
| -0.3 | 285.0 | 0.2605 | 0.0421 |
| -0.1 | 15.0 | 0.1441 | 0.0412 |
| -0.1 | 45.0 | 0.3425 | 0.0739 |
| -0.1 | 75.0 | 0.4563 | 0.0695 |
| -0.1 | 105.0 | 0.4772 | 0.0646 |
| -0.1 | 135.0 | 0.3954 | 0.0521 |
| -0.1 | 165.0 | 0.2494 | 0.0304 |
| -0.1 | 195.0 | 0.2321 | 0.0288 |
| -0.1 | 225.0 | 0.4148 | 0.0517 |
| -0.1 | 255.0 | 0.4105 | 0.0555 |
| -0.1 | 285.0 | 0.4902 | 0.0891 |
| -0.1 | 315.0 | 0.2654 | 0.0744 |
| 0.1 | 15.0 | 0.0686 | 0.0257 |
| 0.1 | 45.0 | 0.3723 | 0.0622 |
| 0.1 | 75.0 | 0.5901 | 0.0797 |
| 0.1 | 105.0 | 0.3932 | 0.0531 |
| 0.1 | 135.0 | 0.2422 | 0.035 |
| 0.1 | 165.0 | 0.1823 | 0.0205 |
| 0.1 | 195.0 | 0.1545 | 0.016 |
| 0.1 | 255.0 | 0.4057 | 0.0638 |
| 0.1 | 285.0 | 0.5678 | 0.1029 |
| 0.1 | 315.0 | 0.3039 | 0.0549 |
| 0.3 | 15.0 | 0.3055 | 0.1038 |
| 0.3 | 45.0 | 0.3885 | 0.0489 |
| 0.3 | 75.0 | 0.4378 | 0.0521 |
| 0.3 | 105.0 | 0.4361 | 0.0585 |
| 0.3 | 135.0 | 0.2849 | 0.0367 |
| 0.3 | 165.0 | 0.1346 | 0.0139 |
| 0.3 | 195.0 | 0.126 | 0.0129 |
| 0.3 | 225.0 | 0.2745 | 0.0378 |
| 0.3 | 255.0 | 0.4366 | 0.0704 |
| 0.3 | 285.0 | 0.512 | 0.0691 |
| 0.3 | 315.0 | 0.4641 | 0.069 |
| 0.3 | 345.0 | 0.0974 | 0.0337 |
| 0.5 | 15.0 | 0.3207 | 0.0715 |
| 0.5 | 45.0 | 0.3259 | 0.0514 |
| 0.5 | 75.0 | 0.5258 | 0.0644 |
| 0.5 | 105.0 | 0.5734 | 0.0803 |
| 0.5 | 135.0 | 0.5126 | 0.0801 |
| 0.5 | 165.0 | 0.2566 | 0.0308 |
| 0.5 | 195.0 | 0.261 | 0.0314 |
| 0.5 | 225.0 | 0.4558 | 0.0785 |
| 0.5 | 255.0 | 0.5685 | 0.1096 |
| 0.5 | 285.0 | 0.3598 | 0.056 |
| 0.5 | 315.0 | 0.4183 | 0.0748 |
| 0.5 | 345.0 | 0.3612 | 0.0932 |
| 0.7 | 15.0 | 0.3258 | 0.0482 |
| 0.7 | 45.0 | 0.496 | 0.0673 |
| 0.7 | 75.0 | 0.6241 | 0.0829 |
| 0.7 | 105.0 | 0.7103 | 0.095 |
| 0.7 | 135.0 | 0.7293 | 0.1131 |
| 0.7 | 165.0 | 0.6244 | 0.0833 |
| 0.7 | 195.0 | 0.5351 | 0.0772 |
| 0.7 | 225.0 | 0.5837 | 0.1024 |
| 0.7 | 255.0 | 0.6718 | 0.0965 |
| 0.7 | 285.0 | 0.5142 | 0.078 |
| 0.7 | 315.0 | 0.4084 | 0.0791 |
| 0.7 | 345.0 | 0.2777 | 0.039 |
| 0.9 | 15.0 | 0.6296 | 0.0672 |
| 0.9 | 45.0 | 0.5442 | 0.0647 |
| 0.9 | 75.0 | 0.5362 | 0.0564 |
| 0.9 | 105.0 | 0.583 | 0.0676 |
| 0.9 | 135.0 | 0.6018 | 0.0771 |
| 0.9 | 165.0 | 0.4583 | 0.0524 |
| 0.9 | 195.0 | 0.4518 | 0.0593 |
| 0.9 | 225.0 | 0.5759 | 0.0672 |
| 0.9 | 255.0 | 0.5698 | 0.0701 |
| 0.9 | 285.0 | 0.5202 | 0.0654 |
| 0.9 | 315.0 | 0.5899 | 0.0744 |
| 0.9 | 345.0 | 0.587 | 0.0636 |
Experiment comment: