Measurement E141M77
| 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: | 1.675 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.238 | 0.0404 |
| -0.9 | 45.0 | 0.2238 | 0.0443 |
| -0.9 | 75.0 | 0.3216 | 0.0692 |
| -0.9 | 105.0 | 0.2833 | 0.0637 |
| -0.9 | 135.0 | 0.2437 | 0.062 |
| -0.9 | 165.0 | 0.2654 | 0.0552 |
| -0.9 | 195.0 | 0.2829 | 0.0641 |
| -0.9 | 225.0 | 0.2111 | 0.0481 |
| -0.9 | 255.0 | 0.2462 | 0.0454 |
| -0.9 | 285.0 | 0.2601 | 0.0546 |
| -0.9 | 315.0 | 0.2469 | 0.0456 |
| -0.9 | 345.0 | 0.273 | 0.049 |
| -0.7 | 45.0 | 0.2796 | 0.0484 |
| -0.7 | 75.0 | 0.1957 | 0.043 |
| -0.7 | 105.0 | 0.2998 | 0.0546 |
| -0.7 | 135.0 | 0.2464 | 0.0497 |
| -0.7 | 165.0 | 0.2413 | 0.0463 |
| -0.7 | 195.0 | 0.212 | 0.0423 |
| -0.7 | 225.0 | 0.2572 | 0.0429 |
| -0.7 | 255.0 | 0.2506 | 0.0449 |
| -0.7 | 285.0 | 0.3634 | 0.0648 |
| -0.7 | 315.0 | 0.253 | 0.053 |
| -0.7 | 345.0 | 0.2517 | 0.064 |
| -0.5 | 45.0 | 0.3891 | 0.0859 |
| -0.5 | 75.0 | 0.4451 | 0.0752 |
| -0.5 | 105.0 | 0.351 | 0.0493 |
| -0.5 | 135.0 | 0.2811 | 0.0447 |
| -0.5 | 165.0 | 0.2596 | 0.0428 |
| -0.5 | 195.0 | 0.2535 | 0.0398 |
| -0.5 | 225.0 | 0.3351 | 0.0485 |
| -0.5 | 255.0 | 0.3502 | 0.0544 |
| -0.5 | 285.0 | 0.2704 | 0.0546 |
| -0.5 | 315.0 | 0.3467 | 0.0903 |
| -0.3 | 15.0 | 0.2646 | 0.0822 |
| -0.3 | 45.0 | 0.3867 | 0.0633 |
| -0.3 | 75.0 | 0.3787 | 0.0729 |
| -0.3 | 105.0 | 0.4 | 0.0516 |
| -0.3 | 135.0 | 0.3675 | 0.0545 |
| -0.3 | 165.0 | 0.3176 | 0.0439 |
| -0.3 | 195.0 | 0.2663 | 0.0351 |
| -0.3 | 225.0 | 0.3241 | 0.045 |
| -0.3 | 255.0 | 0.3747 | 0.0534 |
| -0.3 | 285.0 | 0.4288 | 0.0749 |
| -0.1 | 15.0 | 0.1827 | 0.0681 |
| -0.1 | 45.0 | 0.3711 | 0.0803 |
| -0.1 | 75.0 | 0.4017 | 0.0625 |
| -0.1 | 105.0 | 0.5735 | 0.0768 |
| -0.1 | 135.0 | 0.443 | 0.0626 |
| -0.1 | 165.0 | 0.4398 | 0.0557 |
| -0.1 | 195.0 | 0.3787 | 0.0434 |
| -0.1 | 225.0 | 0.4566 | 0.0563 |
| -0.1 | 255.0 | 0.4935 | 0.066 |
| -0.1 | 285.0 | 0.4883 | 0.0916 |
| -0.1 | 315.0 | 0.4215 | 0.107 |
| 0.1 | 15.0 | 0.1367 | 0.0631 |
| 0.1 | 45.0 | 0.4035 | 0.0769 |
| 0.1 | 75.0 | 0.623 | 0.0848 |
| 0.1 | 105.0 | 0.4618 | 0.0651 |
| 0.1 | 135.0 | 0.3696 | 0.05 |
| 0.1 | 165.0 | 0.2855 | 0.0313 |
| 0.1 | 195.0 | 0.3051 | 0.036 |
| 0.1 | 225.0 | 0.3549 | 0.0492 |
| 0.1 | 255.0 | 0.5276 | 0.0855 |
| 0.1 | 285.0 | 0.6779 | 0.139 |
| 0.1 | 315.0 | 0.5454 | 0.1139 |
| 0.1 | 345.0 | 0.0807 | 0.0435 |
| 0.3 | 15.0 | 0.4515 | 0.0898 |
| 0.3 | 45.0 | 0.5038 | 0.0649 |
| 0.3 | 75.0 | 0.4251 | 0.0525 |
| 0.3 | 105.0 | 0.4293 | 0.0608 |
| 0.3 | 135.0 | 0.2814 | 0.0361 |
| 0.3 | 165.0 | 0.2141 | 0.0214 |
| 0.3 | 195.0 | 0.192 | 0.0191 |
| 0.3 | 225.0 | 0.3569 | 0.0494 |
| 0.3 | 255.0 | 0.4448 | 0.0789 |
| 0.3 | 285.0 | 0.5732 | 0.0827 |
| 0.3 | 315.0 | 0.5756 | 0.0851 |
| 0.3 | 345.0 | 0.4305 | 0.1582 |
| 0.5 | 15.0 | 0.4347 | 0.1059 |
| 0.5 | 45.0 | 0.5119 | 0.0834 |
| 0.5 | 75.0 | 0.5942 | 0.0733 |
| 0.5 | 105.0 | 0.5701 | 0.0844 |
| 0.5 | 135.0 | 0.4122 | 0.066 |
| 0.5 | 165.0 | 0.2788 | 0.0328 |
| 0.5 | 195.0 | 0.2565 | 0.0299 |
| 0.5 | 225.0 | 0.4352 | 0.0673 |
| 0.5 | 255.0 | 0.4438 | 0.0695 |
| 0.5 | 285.0 | 0.4626 | 0.0792 |
| 0.5 | 315.0 | 0.6708 | 0.1468 |
| 0.5 | 345.0 | 0.5239 | 0.1174 |
| 0.7 | 15.0 | 0.4065 | 0.0635 |
| 0.7 | 45.0 | 0.4726 | 0.0716 |
| 0.7 | 75.0 | 0.5715 | 0.0811 |
| 0.7 | 105.0 | 0.6239 | 0.0804 |
| 0.7 | 135.0 | 0.5506 | 0.0889 |
| 0.7 | 165.0 | 0.4449 | 0.067 |
| 0.7 | 195.0 | 0.3193 | 0.0516 |
| 0.7 | 225.0 | 0.5223 | 0.0888 |
| 0.7 | 255.0 | 0.6932 | 0.1124 |
| 0.7 | 285.0 | 0.5215 | 0.077 |
| 0.7 | 315.0 | 0.4706 | 0.0693 |
| 0.7 | 345.0 | 0.3368 | 0.0488 |
| 0.9 | 15.0 | 0.5674 | 0.0578 |
| 0.9 | 45.0 | 0.4462 | 0.0506 |
| 0.9 | 75.0 | 0.4742 | 0.0523 |
| 0.9 | 105.0 | 0.4939 | 0.0584 |
| 0.9 | 135.0 | 0.4702 | 0.0535 |
| 0.9 | 165.0 | 0.3563 | 0.0447 |
| 0.9 | 195.0 | 0.3535 | 0.0471 |
| 0.9 | 225.0 | 0.4588 | 0.0533 |
| 0.9 | 255.0 | 0.4864 | 0.0556 |
| 0.9 | 285.0 | 0.5034 | 0.0607 |
| 0.9 | 315.0 | 0.5259 | 0.0621 |
| 0.9 | 345.0 | 0.5865 | 0.0643 |
Experiment comment: