Measurement E141M57
| 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: | 1.705 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.3419 | 0.0659 |
| -0.9 | 45.0 | 0.4433 | 0.0911 |
| -0.9 | 75.0 | 0.5516 | 0.1338 |
| -0.9 | 105.0 | 0.503 | 0.0813 |
| -0.9 | 135.0 | 0.4182 | 0.0921 |
| -0.9 | 165.0 | 0.3128 | 0.0685 |
| -0.9 | 195.0 | 0.3161 | 0.0823 |
| -0.9 | 225.0 | 0.3131 | 0.058 |
| -0.9 | 255.0 | 0.3415 | 0.0664 |
| -0.9 | 285.0 | 0.3663 | 0.0819 |
| -0.9 | 315.0 | 0.3626 | 0.0654 |
| -0.9 | 345.0 | 0.3604 | 0.0591 |
| -0.7 | 15.0 | 0.363 | 0.0811 |
| -0.7 | 45.0 | 0.4282 | 0.0668 |
| -0.7 | 75.0 | 0.3782 | 0.061 |
| -0.7 | 105.0 | 0.276 | 0.0355 |
| -0.7 | 135.0 | 0.2351 | 0.0375 |
| -0.7 | 165.0 | 0.1912 | 0.035 |
| -0.7 | 195.0 | 0.27 | 0.052 |
| -0.7 | 225.0 | 0.3273 | 0.0566 |
| -0.7 | 255.0 | 0.389 | 0.0543 |
| -0.7 | 285.0 | 0.3458 | 0.0565 |
| -0.7 | 315.0 | 0.4203 | 0.0644 |
| -0.7 | 345.0 | 0.2538 | 0.0733 |
| -0.5 | 15.0 | 0.2562 | 0.0638 |
| -0.5 | 45.0 | 0.4012 | 0.0725 |
| -0.5 | 75.0 | 0.357 | 0.0648 |
| -0.5 | 105.0 | 0.4618 | 0.0588 |
| -0.5 | 135.0 | 0.4082 | 0.062 |
| -0.5 | 165.0 | 0.3544 | 0.0505 |
| -0.5 | 195.0 | 0.3939 | 0.0576 |
| -0.5 | 225.0 | 0.3502 | 0.0479 |
| -0.5 | 255.0 | 0.5257 | 0.0682 |
| -0.5 | 285.0 | 0.4843 | 0.08 |
| -0.5 | 315.0 | 0.2399 | 0.0414 |
| -0.3 | 15.0 | 0.3354 | 0.079 |
| -0.3 | 45.0 | 0.3991 | 0.0956 |
| -0.3 | 75.0 | 0.5471 | 0.0795 |
| -0.3 | 105.0 | 0.565 | 0.0756 |
| -0.3 | 135.0 | 0.4946 | 0.0634 |
| -0.3 | 165.0 | 0.4871 | 0.0589 |
| -0.3 | 195.0 | 0.5016 | 0.0585 |
| -0.3 | 225.0 | 0.4921 | 0.0628 |
| -0.3 | 255.0 | 0.4953 | 0.0593 |
| -0.3 | 285.0 | 0.5604 | 0.0778 |
| -0.1 | 15.0 | 0.2305 | 0.0776 |
| -0.1 | 45.0 | 0.5378 | 0.1088 |
| -0.1 | 75.0 | 0.6981 | 0.092 |
| -0.1 | 105.0 | 0.6893 | 0.0854 |
| -0.1 | 135.0 | 0.6202 | 0.0895 |
| -0.1 | 165.0 | 0.3856 | 0.0398 |
| -0.1 | 195.0 | 0.4393 | 0.0452 |
| -0.1 | 225.0 | 0.4539 | 0.0608 |
| -0.1 | 255.0 | 0.6226 | 0.0739 |
| -0.1 | 285.0 | 0.621 | 0.0845 |
| -0.1 | 315.0 | 0.4689 | 0.1219 |
| 0.1 | 45.0 | 0.514 | 0.0768 |
| 0.1 | 75.0 | 0.8169 | 0.1108 |
| 0.1 | 105.0 | 0.579 | 0.0719 |
| 0.1 | 135.0 | 0.5473 | 0.0769 |
| 0.1 | 165.0 | 0.4035 | 0.043 |
| 0.1 | 195.0 | 0.4515 | 0.0486 |
| 0.1 | 225.0 | 0.66 | 0.0758 |
| 0.1 | 255.0 | 0.5637 | 0.069 |
| 0.1 | 285.0 | 0.7213 | 0.1108 |
| 0.1 | 315.0 | 0.5252 | 0.1002 |
| 0.3 | 15.0 | 0.3479 | 0.0658 |
| 0.3 | 45.0 | 0.5595 | 0.0613 |
| 0.3 | 75.0 | 0.8556 | 0.0891 |
| 0.3 | 105.0 | 0.8804 | 0.0979 |
| 0.3 | 135.0 | 0.6195 | 0.0652 |
| 0.3 | 165.0 | 0.4435 | 0.0374 |
| 0.3 | 195.0 | 0.5069 | 0.0452 |
| 0.3 | 225.0 | 0.4527 | 0.0548 |
| 0.3 | 255.0 | 0.6213 | 0.0832 |
| 0.3 | 285.0 | 0.801 | 0.0969 |
| 0.3 | 315.0 | 0.6127 | 0.0769 |
| 0.3 | 345.0 | 0.5045 | 0.1108 |
| 0.5 | 15.0 | 0.3723 | 0.0658 |
| 0.5 | 45.0 | 0.6232 | 0.0868 |
| 0.5 | 75.0 | 0.7748 | 0.0872 |
| 0.5 | 105.0 | 1.0955 | 0.1588 |
| 0.5 | 135.0 | 0.5479 | 0.0721 |
| 0.5 | 165.0 | 0.3204 | 0.0337 |
| 0.5 | 195.0 | 0.307 | 0.0314 |
| 0.5 | 225.0 | 0.4733 | 0.0672 |
| 0.5 | 255.0 | 0.8927 | 0.1294 |
| 0.5 | 285.0 | 0.9866 | 0.1485 |
| 0.5 | 315.0 | 0.4652 | 0.0774 |
| 0.5 | 345.0 | 0.4185 | 0.0805 |
| 0.7 | 15.0 | 0.5637 | 0.062 |
| 0.7 | 45.0 | 0.6521 | 0.0867 |
| 0.7 | 75.0 | 0.9755 | 0.1059 |
| 0.7 | 105.0 | 1.0905 | 0.1427 |
| 0.7 | 135.0 | 0.9253 | 0.1279 |
| 0.7 | 165.0 | 0.7538 | 0.0935 |
| 0.7 | 195.0 | 0.5915 | 0.0688 |
| 0.7 | 225.0 | 0.8023 | 0.1237 |
| 0.7 | 255.0 | 0.8694 | 0.1247 |
| 0.7 | 285.0 | 0.8804 | 0.1109 |
| 0.7 | 315.0 | 0.6162 | 0.0941 |
| 0.7 | 345.0 | 0.4146 | 0.0484 |
| 0.9 | 15.0 | 1.0313 | 0.0931 |
| 0.9 | 75.0 | 0.6795 | 0.0662 |
| 0.9 | 105.0 | 0.83 | 0.0935 |
| 0.9 | 135.0 | 0.7395 | 0.0905 |
| 0.9 | 165.0 | 1.0373 | 0.1177 |
| 0.9 | 195.0 | 0.9775 | 0.1089 |
| 0.9 | 225.0 | 0.9737 | 0.1201 |
| 0.9 | 255.0 | 0.7339 | 0.0793 |
| 0.9 | 285.0 | 0.8136 | 0.0802 |
| 0.9 | 315.0 | 0.6108 | 0.0636 |
| 0.9 | 345.0 | 1.0102 | 0.1027 |
Experiment comment: