Measurement E141M75
| 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: | 1.655 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.1604 | 0.0309 |
| -0.9 | 45.0 | 0.1532 | 0.0377 |
| -0.9 | 75.0 | 0.3522 | 0.0765 |
| -0.9 | 105.0 | 0.3432 | 0.0767 |
| -0.9 | 135.0 | 0.3236 | 0.0771 |
| -0.9 | 165.0 | 0.3036 | 0.0661 |
| -0.9 | 195.0 | 0.3648 | 0.0769 |
| -0.9 | 225.0 | 0.266 | 0.0598 |
| -0.9 | 255.0 | 0.2864 | 0.0553 |
| -0.9 | 285.0 | 0.2767 | 0.0593 |
| -0.9 | 315.0 | 0.2854 | 0.0552 |
| -0.7 | 15.0 | 0.2611 | 0.0577 |
| -0.7 | 45.0 | 0.2263 | 0.0433 |
| -0.7 | 75.0 | 0.1881 | 0.0388 |
| -0.7 | 105.0 | 0.3721 | 0.0581 |
| -0.7 | 135.0 | 0.302 | 0.0558 |
| -0.7 | 165.0 | 0.2948 | 0.05 |
| -0.7 | 195.0 | 0.2511 | 0.0438 |
| -0.7 | 225.0 | 0.311 | 0.0538 |
| -0.7 | 255.0 | 0.307 | 0.0492 |
| -0.7 | 285.0 | 0.4166 | 0.0808 |
| -0.7 | 315.0 | 0.2805 | 0.0534 |
| -0.7 | 345.0 | 0.0576 | 0.0183 |
| -0.5 | 15.0 | 0.2537 | 0.0684 |
| -0.5 | 45.0 | 0.4415 | 0.098 |
| -0.5 | 75.0 | 0.4776 | 0.0809 |
| -0.5 | 105.0 | 0.3779 | 0.0623 |
| -0.5 | 135.0 | 0.2972 | 0.0511 |
| -0.5 | 165.0 | 0.2662 | 0.042 |
| -0.5 | 195.0 | 0.2646 | 0.0416 |
| -0.5 | 225.0 | 0.335 | 0.0475 |
| -0.5 | 255.0 | 0.386 | 0.0618 |
| -0.5 | 285.0 | 0.2982 | 0.0514 |
| -0.5 | 315.0 | 0.3202 | 0.076 |
| -0.3 | 15.0 | 0.3454 | 0.0797 |
| -0.3 | 45.0 | 0.4924 | 0.0914 |
| -0.3 | 75.0 | 0.4499 | 0.0829 |
| -0.3 | 105.0 | 0.4278 | 0.066 |
| -0.3 | 135.0 | 0.3805 | 0.0576 |
| -0.3 | 165.0 | 0.3565 | 0.0461 |
| -0.3 | 195.0 | 0.3199 | 0.0447 |
| -0.3 | 225.0 | 0.327 | 0.0474 |
| -0.3 | 255.0 | 0.4106 | 0.0579 |
| -0.3 | 285.0 | 0.4758 | 0.0784 |
| -0.1 | 15.0 | 0.1787 | 0.0534 |
| -0.1 | 45.0 | 0.3153 | 0.0677 |
| -0.1 | 75.0 | 0.2971 | 0.0474 |
| -0.1 | 105.0 | 0.5159 | 0.0823 |
| -0.1 | 135.0 | 0.4105 | 0.0597 |
| -0.1 | 165.0 | 0.4878 | 0.059 |
| -0.1 | 195.0 | 0.4622 | 0.054 |
| -0.1 | 225.0 | 0.4097 | 0.0579 |
| -0.1 | 255.0 | 0.4733 | 0.0642 |
| -0.1 | 285.0 | 0.4071 | 0.0878 |
| -0.1 | 315.0 | 0.4537 | 0.1237 |
| -0.1 | 345.0 | 0.2738 | 0.1169 |
| 0.1 | 15.0 | 0.4961 | 0.2329 |
| 0.1 | 45.0 | 0.3643 | 0.0588 |
| 0.1 | 75.0 | 0.513 | 0.0827 |
| 0.1 | 105.0 | 0.4237 | 0.0619 |
| 0.1 | 135.0 | 0.3974 | 0.0546 |
| 0.1 | 165.0 | 0.3273 | 0.0401 |
| 0.1 | 195.0 | 0.3729 | 0.0469 |
| 0.1 | 225.0 | 0.4106 | 0.0564 |
| 0.1 | 255.0 | 0.4874 | 0.0786 |
| 0.1 | 285.0 | 0.5834 | 0.1156 |
| 0.1 | 315.0 | 0.5905 | 0.1122 |
| 0.3 | 15.0 | 0.458 | 0.1287 |
| 0.3 | 45.0 | 0.5164 | 0.0662 |
| 0.3 | 75.0 | 0.3937 | 0.0489 |
| 0.3 | 105.0 | 0.4279 | 0.0611 |
| 0.3 | 135.0 | 0.279 | 0.0344 |
| 0.3 | 165.0 | 0.249 | 0.0262 |
| 0.3 | 195.0 | 0.2271 | 0.0232 |
| 0.3 | 225.0 | 0.3812 | 0.0577 |
| 0.3 | 255.0 | 0.4662 | 0.0872 |
| 0.3 | 285.0 | 0.5366 | 0.0997 |
| 0.3 | 315.0 | 0.5731 | 0.102 |
| 0.3 | 345.0 | 0.4748 | 0.1739 |
| 0.5 | 15.0 | 0.4995 | 0.1549 |
| 0.5 | 45.0 | 0.5728 | 0.0857 |
| 0.5 | 75.0 | 0.577 | 0.0776 |
| 0.5 | 105.0 | 0.5324 | 0.0763 |
| 0.5 | 135.0 | 0.3548 | 0.0622 |
| 0.5 | 165.0 | 0.301 | 0.0408 |
| 0.5 | 195.0 | 0.2778 | 0.0357 |
| 0.5 | 225.0 | 0.4344 | 0.077 |
| 0.5 | 255.0 | 0.3398 | 0.0606 |
| 0.5 | 285.0 | 0.4789 | 0.084 |
| 0.5 | 315.0 | 0.7308 | 0.1539 |
| 0.5 | 345.0 | 0.3643 | 0.0907 |
| 0.7 | 15.0 | 0.396 | 0.0558 |
| 0.7 | 45.0 | 0.4484 | 0.0696 |
| 0.7 | 75.0 | 0.5106 | 0.0693 |
| 0.7 | 105.0 | 0.5162 | 0.071 |
| 0.7 | 135.0 | 0.3623 | 0.0576 |
| 0.7 | 165.0 | 0.2938 | 0.04 |
| 0.7 | 195.0 | 0.2633 | 0.0457 |
| 0.7 | 225.0 | 0.4342 | 0.0776 |
| 0.7 | 255.0 | 0.5817 | 0.0903 |
| 0.7 | 285.0 | 0.4909 | 0.0697 |
| 0.7 | 315.0 | 0.5233 | 0.0955 |
| 0.7 | 345.0 | 0.3725 | 0.0526 |
| 0.9 | 15.0 | 0.4657 | 0.0552 |
| 0.9 | 45.0 | 0.3635 | 0.0461 |
| 0.9 | 75.0 | 0.3881 | 0.0461 |
| 0.9 | 105.0 | 0.379 | 0.0479 |
| 0.9 | 135.0 | 0.329 | 0.043 |
| 0.9 | 165.0 | 0.2934 | 0.0419 |
| 0.9 | 195.0 | 0.2999 | 0.0393 |
| 0.9 | 225.0 | 0.3571 | 0.0456 |
| 0.9 | 255.0 | 0.4122 | 0.0487 |
| 0.9 | 285.0 | 0.4181 | 0.0505 |
| 0.9 | 315.0 | 0.3978 | 0.0554 |
| 0.9 | 345.0 | 0.5236 | 0.0617 |
Experiment comment: