Measurement E141M54
| 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: | 2.6 GeV2 | |
| W: | 1.675 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.4939 | 0.094 |
| -0.9 | 45.0 | 0.5886 | 0.1137 |
| -0.9 | 75.0 | 0.5961 | 0.1414 |
| -0.9 | 105.0 | 0.4611 | 0.0909 |
| -0.9 | 135.0 | 0.4484 | 0.0862 |
| -0.9 | 165.0 | 0.4124 | 0.0812 |
| -0.9 | 195.0 | 0.4551 | 0.0994 |
| -0.9 | 225.0 | 0.4282 | 0.0911 |
| -0.9 | 255.0 | 0.424 | 0.0799 |
| -0.9 | 285.0 | 0.5199 | 0.0838 |
| -0.9 | 315.0 | 0.4618 | 0.078 |
| -0.9 | 345.0 | 0.4209 | 0.0716 |
| -0.7 | 15.0 | 0.5912 | 0.1031 |
| -0.7 | 45.0 | 0.4901 | 0.0779 |
| -0.7 | 75.0 | 0.5693 | 0.1214 |
| -0.7 | 105.0 | 0.5119 | 0.0743 |
| -0.7 | 135.0 | 0.4948 | 0.0863 |
| -0.7 | 165.0 | 0.3358 | 0.0547 |
| -0.7 | 195.0 | 0.3529 | 0.0587 |
| -0.7 | 225.0 | 0.3481 | 0.0554 |
| -0.7 | 255.0 | 0.5262 | 0.0796 |
| -0.7 | 285.0 | 0.4713 | 0.0938 |
| -0.7 | 315.0 | 0.5297 | 0.0904 |
| -0.7 | 345.0 | 0.4895 | 0.1167 |
| -0.5 | 15.0 | 0.4303 | 0.1679 |
| -0.5 | 45.0 | 0.5384 | 0.0991 |
| -0.5 | 75.0 | 0.5495 | 0.0974 |
| -0.5 | 105.0 | 0.5446 | 0.0742 |
| -0.5 | 135.0 | 0.5474 | 0.08 |
| -0.5 | 165.0 | 0.4429 | 0.0583 |
| -0.5 | 195.0 | 0.3803 | 0.0574 |
| -0.5 | 225.0 | 0.411 | 0.0631 |
| -0.5 | 255.0 | 0.6277 | 0.0888 |
| -0.5 | 285.0 | 0.5496 | 0.0899 |
| -0.5 | 315.0 | 0.4155 | 0.0858 |
| -0.3 | 15.0 | 0.3221 | 0.0838 |
| -0.3 | 45.0 | 0.4838 | 0.0959 |
| -0.3 | 75.0 | 0.5277 | 0.0784 |
| -0.3 | 105.0 | 0.5602 | 0.0712 |
| -0.3 | 135.0 | 0.6253 | 0.0824 |
| -0.3 | 165.0 | 0.5534 | 0.0603 |
| -0.3 | 195.0 | 0.6316 | 0.0705 |
| -0.3 | 225.0 | 0.5841 | 0.0735 |
| -0.3 | 255.0 | 0.5103 | 0.0666 |
| -0.3 | 285.0 | 0.6135 | 0.085 |
| -0.1 | 15.0 | 0.3243 | 0.0838 |
| -0.1 | 45.0 | 0.607 | 0.1097 |
| -0.1 | 75.0 | 0.6797 | 0.0924 |
| -0.1 | 105.0 | 0.6228 | 0.0795 |
| -0.1 | 135.0 | 0.6882 | 0.0815 |
| -0.1 | 165.0 | 0.5551 | 0.0603 |
| -0.1 | 195.0 | 0.5934 | 0.0622 |
| -0.1 | 225.0 | 0.5519 | 0.0687 |
| -0.1 | 255.0 | 0.6216 | 0.0724 |
| -0.1 | 285.0 | 0.6412 | 0.0927 |
| 0.1 | 15.0 | 0.1345 | 0.0581 |
| 0.1 | 45.0 | 0.5778 | 0.0968 |
| 0.1 | 75.0 | 0.8036 | 0.1084 |
| 0.1 | 105.0 | 0.5918 | 0.0704 |
| 0.1 | 135.0 | 0.6572 | 0.0793 |
| 0.1 | 165.0 | 0.5627 | 0.0546 |
| 0.1 | 195.0 | 0.5661 | 0.0582 |
| 0.1 | 225.0 | 0.737 | 0.0924 |
| 0.1 | 255.0 | 0.6095 | 0.0751 |
| 0.1 | 285.0 | 0.8074 | 0.1417 |
| 0.1 | 315.0 | 0.6775 | 0.1248 |
| 0.3 | 15.0 | 0.4722 | 0.1021 |
| 0.3 | 45.0 | 0.6139 | 0.0702 |
| 0.3 | 75.0 | 0.8572 | 0.0911 |
| 0.3 | 105.0 | 0.7657 | 0.0858 |
| 0.3 | 135.0 | 0.6439 | 0.0762 |
| 0.3 | 165.0 | 0.577 | 0.0547 |
| 0.3 | 195.0 | 0.5779 | 0.0495 |
| 0.3 | 225.0 | 0.616 | 0.0715 |
| 0.3 | 255.0 | 0.7154 | 0.1002 |
| 0.3 | 285.0 | 0.806 | 0.1066 |
| 0.3 | 315.0 | 0.6298 | 0.0788 |
| 0.5 | 15.0 | 0.517 | 0.0957 |
| 0.5 | 45.0 | 0.751 | 0.0993 |
| 0.5 | 75.0 | 0.8835 | 0.0993 |
| 0.5 | 105.0 | 0.9935 | 0.134 |
| 0.5 | 135.0 | 0.6276 | 0.0815 |
| 0.5 | 165.0 | 0.4541 | 0.0463 |
| 0.5 | 195.0 | 0.416 | 0.0405 |
| 0.5 | 225.0 | 0.6406 | 0.0847 |
| 0.5 | 255.0 | 0.8646 | 0.1225 |
| 0.5 | 285.0 | 0.8866 | 0.1174 |
| 0.5 | 315.0 | 0.6465 | 0.1037 |
| 0.5 | 345.0 | 0.3445 | 0.0655 |
| 0.7 | 15.0 | 0.7476 | 0.087 |
| 0.7 | 45.0 | 0.9493 | 0.1128 |
| 0.7 | 75.0 | 1.272 | 0.1335 |
| 0.7 | 105.0 | 1.1644 | 0.1404 |
| 0.7 | 135.0 | 1.1471 | 0.1755 |
| 0.7 | 165.0 | 0.7482 | 0.1 |
| 0.7 | 195.0 | 0.7584 | 0.0909 |
| 0.7 | 225.0 | 1.0207 | 0.1598 |
| 0.7 | 255.0 | 1.0606 | 0.1362 |
| 0.7 | 285.0 | 1.1655 | 0.144 |
| 0.7 | 315.0 | 0.7675 | 0.108 |
| 0.7 | 345.0 | 0.474 | 0.0537 |
| 0.9 | 15.0 | 0.9611 | 0.0885 |
| 0.9 | 45.0 | 0.7419 | 0.0766 |
| 0.9 | 75.0 | 0.8764 | 0.0931 |
| 0.9 | 105.0 | 0.8263 | 0.0919 |
| 0.9 | 135.0 | 0.723 | 0.0864 |
| 0.9 | 165.0 | 0.8124 | 0.0958 |
| 0.9 | 195.0 | 0.8001 | 0.0926 |
| 0.9 | 225.0 | 0.8743 | 0.0918 |
| 0.9 | 255.0 | 0.7077 | 0.0768 |
| 0.9 | 285.0 | 0.973 | 0.0954 |
| 0.9 | 315.0 | 0.7707 | 0.0828 |
| 0.9 | 345.0 | 1.0109 | 0.1027 |
Experiment comment: