Measurement E141M70
| 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: | 1.605 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 105.0 | 0.3412 | 0.0711 |
| -0.9 | 135.0 | 0.4491 | 0.0899 |
| -0.9 | 165.0 | 0.435 | 0.0765 |
| -0.9 | 195.0 | 0.3728 | 0.0666 |
| -0.9 | 225.0 | 0.4082 | 0.0763 |
| -0.9 | 255.0 | 0.4004 | 0.0889 |
| -0.9 | 285.0 | 0.3299 | 0.0839 |
| -0.7 | 75.0 | 0.2204 | 0.0464 |
| -0.7 | 105.0 | 0.4713 | 0.0758 |
| -0.7 | 135.0 | 0.4106 | 0.0716 |
| -0.7 | 165.0 | 0.3974 | 0.0613 |
| -0.7 | 195.0 | 0.3677 | 0.0643 |
| -0.7 | 225.0 | 0.397 | 0.0638 |
| -0.7 | 255.0 | 0.4568 | 0.0733 |
| -0.7 | 285.0 | 0.293 | 0.0553 |
| -0.5 | 45.0 | 0.4908 | 0.0967 |
| -0.5 | 75.0 | 0.4312 | 0.0772 |
| -0.5 | 105.0 | 0.4912 | 0.0717 |
| -0.5 | 135.0 | 0.3943 | 0.061 |
| -0.5 | 165.0 | 0.3384 | 0.0412 |
| -0.5 | 195.0 | 0.3005 | 0.0427 |
| -0.5 | 225.0 | 0.349 | 0.0497 |
| -0.5 | 255.0 | 0.4605 | 0.0675 |
| -0.5 | 285.0 | 0.5317 | 0.0838 |
| -0.5 | 315.0 | 0.4438 | 0.1004 |
| -0.3 | 15.0 | 0.4131 | 0.1099 |
| -0.3 | 45.0 | 0.4934 | 0.1285 |
| -0.3 | 75.0 | 0.4319 | 0.0744 |
| -0.3 | 105.0 | 0.548 | 0.0879 |
| -0.3 | 135.0 | 0.3715 | 0.0496 |
| -0.3 | 165.0 | 0.3911 | 0.0495 |
| -0.3 | 195.0 | 0.378 | 0.0477 |
| -0.3 | 225.0 | 0.4052 | 0.0608 |
| -0.3 | 255.0 | 0.4916 | 0.0702 |
| -0.3 | 285.0 | 0.377 | 0.0682 |
| -0.3 | 315.0 | 0.5777 | 0.1591 |
| -0.1 | 15.0 | 1.018 | 0.5787 |
| -0.1 | 45.0 | 0.2702 | 0.0594 |
| -0.1 | 75.0 | 0.356 | 0.0604 |
| -0.1 | 105.0 | 0.3943 | 0.0577 |
| -0.1 | 135.0 | 0.3836 | 0.0567 |
| -0.1 | 165.0 | 0.3398 | 0.0431 |
| -0.1 | 195.0 | 0.4533 | 0.0558 |
| -0.1 | 225.0 | 0.4401 | 0.0611 |
| -0.1 | 255.0 | 0.4411 | 0.066 |
| -0.1 | 285.0 | 0.3921 | 0.0851 |
| -0.1 | 315.0 | 0.2716 | 0.0753 |
| 0.1 | 15.0 | 0.1353 | 0.0564 |
| 0.1 | 45.0 | 0.3566 | 0.074 |
| 0.1 | 75.0 | 0.4392 | 0.0763 |
| 0.1 | 105.0 | 0.2667 | 0.0442 |
| 0.1 | 135.0 | 0.2706 | 0.0473 |
| 0.1 | 165.0 | 0.3082 | 0.0391 |
| 0.1 | 195.0 | 0.3316 | 0.0421 |
| 0.1 | 225.0 | 0.2761 | 0.0432 |
| 0.1 | 255.0 | 0.3212 | 0.0559 |
| 0.1 | 285.0 | 0.3689 | 0.0814 |
| 0.1 | 315.0 | 0.3047 | 0.0766 |
| 0.1 | 345.0 | 0.1742 | 0.0694 |
| 0.3 | 15.0 | 0.4296 | 0.1226 |
| 0.3 | 45.0 | 0.407 | 0.0666 |
| 0.3 | 75.0 | 0.4632 | 0.0681 |
| 0.3 | 105.0 | 0.45 | 0.0678 |
| 0.3 | 135.0 | 0.3101 | 0.0443 |
| 0.3 | 165.0 | 0.2358 | 0.0265 |
| 0.3 | 195.0 | 0.218 | 0.0263 |
| 0.3 | 225.0 | 0.2961 | 0.0412 |
| 0.3 | 255.0 | 0.3027 | 0.0607 |
| 0.3 | 285.0 | 0.4036 | 0.0683 |
| 0.3 | 315.0 | 0.5184 | 0.0912 |
| 0.3 | 345.0 | 0.5903 | 0.2432 |
| 0.5 | 15.0 | 0.2726 | 0.0553 |
| 0.5 | 45.0 | 0.4323 | 0.0828 |
| 0.5 | 75.0 | 0.4989 | 0.0726 |
| 0.5 | 105.0 | 0.4681 | 0.0794 |
| 0.5 | 135.0 | 0.4419 | 0.0737 |
| 0.5 | 165.0 | 0.2894 | 0.0381 |
| 0.5 | 195.0 | 0.2413 | 0.0317 |
| 0.5 | 225.0 | 0.4415 | 0.0816 |
| 0.5 | 255.0 | 0.4895 | 0.0922 |
| 0.5 | 285.0 | 0.3894 | 0.0753 |
| 0.5 | 315.0 | 0.5591 | 0.1225 |
| 0.5 | 345.0 | 0.2022 | 0.051 |
| 0.7 | 15.0 | 0.4123 | 0.0586 |
| 0.7 | 45.0 | 0.348 | 0.0565 |
| 0.7 | 75.0 | 0.3877 | 0.0542 |
| 0.7 | 105.0 | 0.3903 | 0.0644 |
| 0.7 | 135.0 | 0.3924 | 0.0713 |
| 0.7 | 165.0 | 0.3651 | 0.0616 |
| 0.7 | 195.0 | 0.2791 | 0.0449 |
| 0.7 | 225.0 | 0.3369 | 0.064 |
| 0.7 | 255.0 | 0.3335 | 0.0542 |
| 0.7 | 285.0 | 0.3386 | 0.0519 |
| 0.7 | 315.0 | 0.3221 | 0.0516 |
| 0.7 | 345.0 | 0.4317 | 0.065 |
| 0.9 | 15.0 | 0.3313 | 0.0417 |
| 0.9 | 45.0 | 0.3387 | 0.0447 |
| 0.9 | 75.0 | 0.325 | 0.0443 |
| 0.9 | 105.0 | 0.3254 | 0.0412 |
| 0.9 | 135.0 | 0.247 | 0.0363 |
| 0.9 | 165.0 | 0.3248 | 0.0473 |
| 0.9 | 195.0 | 0.3409 | 0.0554 |
| 0.9 | 225.0 | 0.354 | 0.0514 |
| 0.9 | 255.0 | 0.294 | 0.0374 |
| 0.9 | 285.0 | 0.3152 | 0.0418 |
| 0.9 | 315.0 | 0.2909 | 0.0381 |
| 0.9 | 345.0 | 0.3322 | 0.0454 |
Experiment comment: