Measurement E141M99
| 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: | 4.0 GeV2 | |
| W: | 1.665 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 45.0 | 0.0747 | 0.022 |
| -0.9 | 75.0 | 0.0938 | 0.038 |
| -0.9 | 105.0 | 0.1201 | 0.0328 |
| -0.9 | 135.0 | 0.1803 | 0.0391 |
| -0.9 | 225.0 | 0.077 | 0.0205 |
| -0.9 | 255.0 | 0.1491 | 0.0358 |
| -0.9 | 285.0 | 0.1478 | 0.0383 |
| -0.9 | 315.0 | 0.1482 | 0.0361 |
| -0.9 | 345.0 | 0.1074 | 0.0287 |
| -0.7 | 45.0 | 0.1351 | 0.0376 |
| -0.7 | 75.0 | 0.1328 | 0.0385 |
| -0.7 | 105.0 | 0.1918 | 0.049 |
| -0.7 | 135.0 | 0.1869 | 0.0531 |
| -0.7 | 165.0 | 0.1408 | 0.0343 |
| -0.7 | 195.0 | 0.1775 | 0.0448 |
| -0.7 | 225.0 | 0.1596 | 0.041 |
| -0.7 | 255.0 | 0.1663 | 0.0469 |
| -0.7 | 285.0 | 0.1441 | 0.0399 |
| -0.7 | 315.0 | 0.0298 | 0.0086 |
| -0.5 | 15.0 | 0.0348 | 0.0136 |
| -0.5 | 45.0 | 0.1476 | 0.0477 |
| -0.5 | 75.0 | 0.2069 | 0.0484 |
| -0.5 | 105.0 | 0.1921 | 0.0403 |
| -0.5 | 135.0 | 0.1383 | 0.0346 |
| -0.5 | 165.0 | 0.1786 | 0.0369 |
| -0.5 | 195.0 | 0.1285 | 0.0281 |
| -0.5 | 225.0 | 0.1704 | 0.0451 |
| -0.5 | 255.0 | 0.2274 | 0.0504 |
| -0.5 | 285.0 | 0.122 | 0.0383 |
| -0.3 | 15.0 | 0.1118 | 0.0443 |
| -0.3 | 45.0 | 0.1432 | 0.0477 |
| -0.3 | 75.0 | 0.2082 | 0.0574 |
| -0.3 | 105.0 | 0.1791 | 0.0365 |
| -0.3 | 135.0 | 0.2325 | 0.0442 |
| -0.3 | 165.0 | 0.1878 | 0.0382 |
| -0.3 | 195.0 | 0.3017 | 0.0575 |
| -0.3 | 225.0 | 0.2594 | 0.0502 |
| -0.3 | 255.0 | 0.1921 | 0.0414 |
| -0.3 | 285.0 | 0.2595 | 0.0717 |
| -0.3 | 315.0 | 0.0632 | 0.0257 |
| -0.1 | 45.0 | 0.1642 | 0.0503 |
| -0.1 | 75.0 | 0.1942 | 0.0463 |
| -0.1 | 105.0 | 0.1767 | 0.0431 |
| -0.1 | 135.0 | 0.1959 | 0.037 |
| -0.1 | 165.0 | 0.2428 | 0.0397 |
| -0.1 | 195.0 | 0.22 | 0.0378 |
| -0.1 | 225.0 | 0.27 | 0.0508 |
| -0.1 | 255.0 | 0.1989 | 0.0473 |
| -0.1 | 285.0 | 0.1749 | 0.0513 |
| -0.1 | 315.0 | 0.0833 | 0.0277 |
| 0.1 | 45.0 | 0.1247 | 0.0379 |
| 0.1 | 75.0 | 0.205 | 0.0419 |
| 0.1 | 105.0 | 0.2482 | 0.0687 |
| 0.1 | 135.0 | 0.1978 | 0.043 |
| 0.1 | 165.0 | 0.1535 | 0.026 |
| 0.1 | 195.0 | 0.1873 | 0.0335 |
| 0.1 | 225.0 | 0.1376 | 0.0289 |
| 0.1 | 255.0 | 0.2401 | 0.066 |
| 0.1 | 285.0 | 0.2275 | 0.0629 |
| 0.1 | 315.0 | 0.2243 | 0.0668 |
| 0.3 | 45.0 | 0.2418 | 0.0438 |
| 0.3 | 75.0 | 0.2705 | 0.0489 |
| 0.3 | 105.0 | 0.2602 | 0.0504 |
| 0.3 | 135.0 | 0.2039 | 0.0544 |
| 0.3 | 165.0 | 0.1031 | 0.0179 |
| 0.3 | 195.0 | 0.1422 | 0.0228 |
| 0.3 | 225.0 | 0.2105 | 0.0436 |
| 0.3 | 255.0 | 0.1633 | 0.0351 |
| 0.3 | 285.0 | 0.1992 | 0.0432 |
| 0.3 | 315.0 | 0.2966 | 0.0722 |
| 0.3 | 345.0 | 0.7999 | 0.5758 |
| 0.5 | 15.0 | 0.1006 | 0.0379 |
| 0.5 | 45.0 | 0.2158 | 0.0528 |
| 0.5 | 75.0 | 0.2035 | 0.0459 |
| 0.5 | 105.0 | 0.2175 | 0.0636 |
| 0.5 | 135.0 | 0.2853 | 0.0733 |
| 0.5 | 165.0 | 0.2141 | 0.0417 |
| 0.5 | 195.0 | 0.1943 | 0.0384 |
| 0.5 | 225.0 | 0.1657 | 0.0464 |
| 0.5 | 255.0 | 0.2661 | 0.0573 |
| 0.5 | 285.0 | 0.2904 | 0.0646 |
| 0.5 | 315.0 | 0.2822 | 0.085 |
| 0.5 | 345.0 | 0.0623 | 0.0232 |
| 0.7 | 15.0 | 0.1742 | 0.039 |
| 0.7 | 45.0 | 0.1996 | 0.0482 |
| 0.7 | 75.0 | 0.2552 | 0.054 |
| 0.7 | 105.0 | 0.2137 | 0.0439 |
| 0.7 | 135.0 | 0.2162 | 0.0407 |
| 0.7 | 165.0 | 0.1482 | 0.0283 |
| 0.7 | 195.0 | 0.1627 | 0.0294 |
| 0.7 | 225.0 | 0.1927 | 0.0472 |
| 0.7 | 255.0 | 0.2305 | 0.052 |
| 0.7 | 285.0 | 0.2684 | 0.062 |
| 0.7 | 315.0 | 0.2523 | 0.0588 |
| 0.7 | 345.0 | 0.2808 | 0.0613 |
| 0.9 | 15.0 | 0.2175 | 0.0348 |
| 0.9 | 45.0 | 0.2143 | 0.0376 |
| 0.9 | 75.0 | 0.1843 | 0.0383 |
| 0.9 | 105.0 | 0.1844 | 0.0341 |
| 0.9 | 135.0 | 0.2126 | 0.0357 |
| 0.9 | 165.0 | 0.2059 | 0.0374 |
| 0.9 | 195.0 | 0.1935 | 0.0354 |
| 0.9 | 225.0 | 0.1736 | 0.0308 |
| 0.9 | 255.0 | 0.2158 | 0.0385 |
| 0.9 | 285.0 | 0.2109 | 0.0386 |
| 0.9 | 315.0 | 0.2046 | 0.0368 |
| 0.9 | 345.0 | 0.2318 | 0.0393 |
Experiment comment: