Measurement E141M13
| 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: | 1.8 GeV2 | |
| W: | 1.725 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.4932 | 0.0659 |
| -0.9 | 45.0 | 0.6114 | 0.0969 |
| -0.9 | 75.0 | 0.4613 | 0.067 |
| -0.9 | 105.0 | 0.3948 | 0.0824 |
| -0.9 | 135.0 | 0.4253 | 0.0803 |
| -0.9 | 165.0 | 0.3398 | 0.1128 |
| -0.9 | 195.0 | 0.4161 | 0.1216 |
| -0.9 | 225.0 | 0.4253 | 0.0798 |
| -0.9 | 255.0 | 0.4263 | 0.0812 |
| -0.9 | 285.0 | 0.5307 | 0.0775 |
| -0.9 | 315.0 | 0.4959 | 0.0616 |
| -0.9 | 345.0 | 0.4869 | 0.0718 |
| -0.7 | 15.0 | 0.3832 | 0.0678 |
| -0.7 | 45.0 | 0.4764 | 0.0586 |
| -0.7 | 75.0 | 0.5143 | 0.0731 |
| -0.7 | 105.0 | 0.3799 | 0.0436 |
| -0.7 | 135.0 | 0.2123 | 0.0306 |
| -0.7 | 165.0 | 0.1955 | 0.0323 |
| -0.7 | 195.0 | 0.1838 | 0.0321 |
| -0.7 | 225.0 | 0.2969 | 0.0413 |
| -0.7 | 255.0 | 0.482 | 0.0539 |
| -0.7 | 285.0 | 0.4692 | 0.0683 |
| -0.7 | 315.0 | 0.4645 | 0.0524 |
| -0.7 | 345.0 | 0.4074 | 0.0593 |
| -0.5 | 15.0 | 0.3516 | 0.07 |
| -0.5 | 45.0 | 0.5155 | 0.069 |
| -0.5 | 75.0 | 0.6095 | 0.0675 |
| -0.5 | 105.0 | 0.5998 | 0.0539 |
| -0.5 | 135.0 | 0.5317 | 0.0547 |
| -0.5 | 165.0 | 0.3514 | 0.0374 |
| -0.5 | 195.0 | 0.3717 | 0.0396 |
| -0.5 | 225.0 | 0.521 | 0.0578 |
| -0.5 | 255.0 | 0.5318 | 0.0531 |
| -0.5 | 285.0 | 0.5712 | 0.0655 |
| -0.5 | 315.0 | 0.4044 | 0.0489 |
| -0.5 | 345.0 | 0.3281 | 0.0755 |
| -0.3 | 15.0 | 0.2746 | 0.0533 |
| -0.3 | 45.0 | 0.6278 | 0.0939 |
| -0.3 | 75.0 | 0.9516 | 0.0973 |
| -0.3 | 105.0 | 0.8083 | 0.0712 |
| -0.3 | 135.0 | 0.5991 | 0.0572 |
| -0.3 | 165.0 | 0.4745 | 0.0408 |
| -0.3 | 195.0 | 0.4949 | 0.0446 |
| -0.3 | 225.0 | 0.5537 | 0.0547 |
| -0.3 | 255.0 | 0.8042 | 0.0707 |
| -0.3 | 285.0 | 0.6686 | 0.0696 |
| -0.3 | 315.0 | 0.8048 | 0.1268 |
| -0.1 | 15.0 | 0.4019 | 0.0677 |
| -0.1 | 45.0 | 0.7337 | 0.1023 |
| -0.1 | 75.0 | 1.1812 | 0.1098 |
| -0.1 | 105.0 | 1.1286 | 0.0966 |
| -0.1 | 135.0 | 0.9326 | 0.0922 |
| -0.1 | 165.0 | 0.7158 | 0.0534 |
| -0.1 | 195.0 | 0.6621 | 0.0483 |
| -0.1 | 225.0 | 0.8021 | 0.0779 |
| -0.1 | 255.0 | 0.9493 | 0.0812 |
| -0.1 | 285.0 | 1.0402 | 0.0914 |
| 0.1 | 15.0 | 0.267 | 0.063 |
| 0.1 | 45.0 | 0.7877 | 0.0864 |
| 0.1 | 75.0 | 1.3095 | 0.1075 |
| 0.1 | 105.0 | 1.1593 | 0.0935 |
| 0.1 | 135.0 | 0.9719 | 0.0997 |
| 0.1 | 165.0 | 0.6804 | 0.0485 |
| 0.1 | 195.0 | 0.6764 | 0.0493 |
| 0.1 | 225.0 | 0.8886 | 0.0866 |
| 0.1 | 255.0 | 0.9959 | 0.0819 |
| 0.1 | 285.0 | 1.1962 | 0.1103 |
| 0.1 | 315.0 | 1.0127 | 0.1526 |
| 0.1 | 345.0 | 0.3096 | 0.0879 |
| 0.3 | 15.0 | 0.3346 | 0.052 |
| 0.3 | 45.0 | 0.7893 | 0.0567 |
| 0.3 | 105.0 | 1.1829 | 0.0869 |
| 0.3 | 135.0 | 0.9745 | 0.0733 |
| 0.3 | 165.0 | 0.5667 | 0.0389 |
| 0.3 | 195.0 | 0.638 | 0.0443 |
| 0.3 | 225.0 | 0.8939 | 0.0672 |
| 0.3 | 255.0 | 1.1409 | 0.0848 |
| 0.3 | 285.0 | 1.5251 | 0.1326 |
| 0.3 | 315.0 | 0.7703 | 0.0637 |
| 0.3 | 345.0 | 0.4961 | 0.1039 |
| 0.5 | 15.0 | 0.3584 | 0.0439 |
| 0.5 | 45.0 | 0.7571 | 0.056 |
| 0.5 | 75.0 | 1.655 | 0.1226 |
| 0.5 | 105.0 | 1.7013 | 0.1555 |
| 0.5 | 135.0 | 0.9683 | 0.0822 |
| 0.5 | 165.0 | 0.7165 | 0.0524 |
| 0.5 | 195.0 | 0.67 | 0.0504 |
| 0.5 | 225.0 | 0.8794 | 0.0753 |
| 0.5 | 255.0 | 1.4925 | 0.163 |
| 0.5 | 285.0 | 1.3586 | 0.1268 |
| 0.5 | 315.0 | 0.7866 | 0.0666 |
| 0.5 | 345.0 | 0.3743 | 0.0544 |
| 0.7 | 15.0 | 0.45 | 0.0384 |
| 0.7 | 45.0 | 0.7456 | 0.0656 |
| 0.7 | 75.0 | 1.4843 | 0.1128 |
| 0.7 | 105.0 | 1.7304 | 0.1676 |
| 0.7 | 135.0 | 1.4301 | 0.1331 |
| 0.7 | 165.0 | 0.9095 | 0.0748 |
| 0.7 | 195.0 | 0.9164 | 0.0746 |
| 0.7 | 225.0 | 1.2739 | 0.1189 |
| 0.7 | 255.0 | 1.5525 | 0.1692 |
| 0.7 | 285.0 | 1.4224 | 0.1331 |
| 0.7 | 315.0 | 0.6834 | 0.0644 |
| 0.7 | 345.0 | 0.4704 | 0.0404 |
| 0.9 | 15.0 | 0.8725 | 0.0538 |
| 0.9 | 45.0 | 0.9339 | 0.0611 |
| 0.9 | 75.0 | 1.1373 | 0.0735 |
| 0.9 | 105.0 | 1.2057 | 0.0837 |
| 0.9 | 135.0 | 1.2618 | 0.094 |
| 0.9 | 165.0 | 1.3616 | 0.1133 |
| 0.9 | 195.0 | 1.1919 | 0.0971 |
| 0.9 | 225.0 | 1.3074 | 0.0991 |
| 0.9 | 255.0 | 1.3167 | 0.0926 |
| 0.9 | 285.0 | 1.1954 | 0.0803 |
| 0.9 | 315.0 | 1.0019 | 0.0647 |
| 0.9 | 345.0 | 0.8856 | 0.0563 |
Experiment comment: