Measurement E141M79
| 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: | 1.695 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.1886 | 0.0366 |
| -0.9 | 45.0 | 0.2499 | 0.0781 |
| -0.9 | 75.0 | 0.2832 | 0.0698 |
| -0.9 | 105.0 | 0.2057 | 0.0653 |
| -0.9 | 135.0 | 0.1643 | 0.0401 |
| -0.9 | 165.0 | 0.2427 | 0.1195 |
| -0.9 | 195.0 | 0.178 | 0.0504 |
| -0.9 | 225.0 | 0.168 | 0.0366 |
| -0.9 | 255.0 | 0.2173 | 0.0514 |
| -0.9 | 285.0 | 0.2506 | 0.0577 |
| -0.9 | 315.0 | 0.2288 | 0.0466 |
| -0.9 | 345.0 | 0.1882 | 0.0432 |
| -0.7 | 15.0 | 0.0679 | 0.0208 |
| -0.7 | 45.0 | 0.231 | 0.0514 |
| -0.7 | 75.0 | 0.2075 | 0.0568 |
| -0.7 | 105.0 | 0.2257 | 0.0379 |
| -0.7 | 135.0 | 0.196 | 0.0386 |
| -0.7 | 165.0 | 0.1925 | 0.0357 |
| -0.7 | 195.0 | 0.1847 | 0.0369 |
| -0.7 | 225.0 | 0.2048 | 0.0416 |
| -0.7 | 255.0 | 0.2073 | 0.0377 |
| -0.7 | 285.0 | 0.2452 | 0.056 |
| -0.7 | 315.0 | 0.2303 | 0.0418 |
| -0.7 | 345.0 | 0.3385 | 0.0875 |
| -0.5 | 15.0 | 0.2012 | 0.0542 |
| -0.5 | 45.0 | 0.3322 | 0.0642 |
| -0.5 | 75.0 | 0.3961 | 0.0699 |
| -0.5 | 105.0 | 0.3405 | 0.0551 |
| -0.5 | 135.0 | 0.2811 | 0.0435 |
| -0.5 | 165.0 | 0.267 | 0.0421 |
| -0.5 | 195.0 | 0.2477 | 0.0355 |
| -0.5 | 225.0 | 0.3406 | 0.0492 |
| -0.5 | 255.0 | 0.32 | 0.0425 |
| -0.5 | 285.0 | 0.2816 | 0.0489 |
| -0.5 | 315.0 | 0.3069 | 0.0775 |
| -0.3 | 15.0 | 0.1729 | 0.0417 |
| -0.3 | 45.0 | 0.2267 | 0.0508 |
| -0.3 | 75.0 | 0.2837 | 0.0419 |
| -0.3 | 105.0 | 0.39 | 0.0571 |
| -0.3 | 135.0 | 0.3513 | 0.0532 |
| -0.3 | 165.0 | 0.2754 | 0.0355 |
| -0.3 | 195.0 | 0.2088 | 0.0289 |
| -0.3 | 225.0 | 0.3381 | 0.043 |
| -0.3 | 255.0 | 0.3459 | 0.0447 |
| -0.3 | 285.0 | 0.35 | 0.0548 |
| -0.1 | 15.0 | 0.047 | 0.0233 |
| -0.1 | 45.0 | 0.4389 | 0.0888 |
| -0.1 | 75.0 | 0.555 | 0.0753 |
| -0.1 | 105.0 | 0.6299 | 0.0804 |
| -0.1 | 135.0 | 0.4841 | 0.0586 |
| -0.1 | 165.0 | 0.35 | 0.0442 |
| -0.1 | 195.0 | 0.2689 | 0.0334 |
| -0.1 | 225.0 | 0.5281 | 0.0694 |
| -0.1 | 255.0 | 0.5174 | 0.0668 |
| -0.1 | 285.0 | 0.5966 | 0.1036 |
| -0.1 | 315.0 | 0.3646 | 0.0836 |
| 0.1 | 15.0 | 0.206 | 0.0863 |
| 0.1 | 45.0 | 0.457 | 0.0755 |
| 0.1 | 75.0 | 0.759 | 0.0934 |
| 0.1 | 105.0 | 0.4845 | 0.0683 |
| 0.1 | 135.0 | 0.3105 | 0.0433 |
| 0.1 | 165.0 | 0.2284 | 0.0267 |
| 0.1 | 195.0 | 0.2094 | 0.0244 |
| 0.1 | 225.0 | 0.257 | 0.0402 |
| 0.1 | 255.0 | 0.5518 | 0.0863 |
| 0.1 | 285.0 | 0.7657 | 0.1317 |
| 0.1 | 315.0 | 0.3632 | 0.0671 |
| 0.3 | 15.0 | 0.4406 | 0.1144 |
| 0.3 | 45.0 | 0.4691 | 0.0578 |
| 0.3 | 75.0 | 0.4836 | 0.0542 |
| 0.3 | 105.0 | 0.4387 | 0.0614 |
| 0.3 | 135.0 | 0.2929 | 0.037 |
| 0.3 | 165.0 | 0.1668 | 0.0178 |
| 0.3 | 195.0 | 0.1451 | 0.0158 |
| 0.3 | 225.0 | 0.3105 | 0.0423 |
| 0.3 | 255.0 | 0.3874 | 0.0598 |
| 0.3 | 285.0 | 0.5998 | 0.0939 |
| 0.3 | 315.0 | 0.5724 | 0.0904 |
| 0.3 | 345.0 | 0.3977 | 0.1123 |
| 0.5 | 15.0 | 0.3693 | 0.093 |
| 0.5 | 45.0 | 0.4071 | 0.0566 |
| 0.5 | 75.0 | 0.6059 | 0.0782 |
| 0.5 | 105.0 | 0.6116 | 0.0816 |
| 0.5 | 135.0 | 0.5085 | 0.0824 |
| 0.5 | 165.0 | 0.249 | 0.0287 |
| 0.5 | 195.0 | 0.2229 | 0.0262 |
| 0.5 | 225.0 | 0.4409 | 0.08 |
| 0.5 | 255.0 | 0.6145 | 0.0956 |
| 0.5 | 285.0 | 0.4266 | 0.0671 |
| 0.5 | 315.0 | 0.5622 | 0.1059 |
| 0.5 | 345.0 | 0.4631 | 0.1137 |
| 0.7 | 15.0 | 0.4267 | 0.0622 |
| 0.7 | 45.0 | 0.4884 | 0.0634 |
| 0.7 | 75.0 | 0.6322 | 0.0843 |
| 0.7 | 105.0 | 0.7463 | 0.0969 |
| 0.7 | 135.0 | 0.8103 | 0.1193 |
| 0.7 | 165.0 | 0.6627 | 0.0858 |
| 0.7 | 195.0 | 0.5406 | 0.0709 |
| 0.7 | 225.0 | 0.6238 | 0.0997 |
| 0.7 | 255.0 | 0.797 | 0.1203 |
| 0.7 | 285.0 | 0.5358 | 0.0819 |
| 0.7 | 315.0 | 0.3644 | 0.0518 |
| 0.7 | 345.0 | 0.3037 | 0.0414 |
| 0.9 | 15.0 | 0.6799 | 0.0773 |
| 0.9 | 45.0 | 0.5543 | 0.0658 |
| 0.9 | 75.0 | 0.5793 | 0.0677 |
| 0.9 | 105.0 | 0.6394 | 0.0735 |
| 0.9 | 135.0 | 0.6446 | 0.073 |
| 0.9 | 165.0 | 0.4486 | 0.0524 |
| 0.9 | 195.0 | 0.4354 | 0.0494 |
| 0.9 | 225.0 | 0.5964 | 0.0698 |
| 0.9 | 255.0 | 0.565 | 0.0619 |
| 0.9 | 285.0 | 0.5998 | 0.0715 |
| 0.9 | 315.0 | 0.6785 | 0.0746 |
| 0.9 | 345.0 | 0.6365 | 0.0674 |
Experiment comment: