Measurement E141M97
| 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: | 1.645 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 45.0 | 0.1417 | 0.0528 |
| -0.9 | 75.0 | 0.0221 | 0.0077 |
| -0.9 | 105.0 | 0.1778 | 0.0485 |
| -0.9 | 135.0 | 0.2198 | 0.0698 |
| -0.9 | 165.0 | 0.8824 | 0.336 |
| -0.9 | 195.0 | 1.7799 | 0.8811 |
| -0.9 | 225.0 | 0.1492 | 0.0387 |
| -0.9 | 255.0 | 0.1604 | 0.0436 |
| -0.9 | 315.0 | 0.1687 | 0.0516 |
| -0.7 | 45.0 | 0.2087 | 0.0547 |
| -0.7 | 75.0 | 0.1501 | 0.0505 |
| -0.7 | 105.0 | 0.2295 | 0.0573 |
| -0.7 | 135.0 | 0.1927 | 0.0716 |
| -0.7 | 165.0 | 0.1515 | 0.0311 |
| -0.7 | 195.0 | 0.1805 | 0.0473 |
| -0.7 | 225.0 | 0.2012 | 0.0589 |
| -0.7 | 255.0 | 0.2005 | 0.0483 |
| -0.5 | 45.0 | 0.2066 | 0.0633 |
| -0.5 | 75.0 | 0.2478 | 0.0668 |
| -0.5 | 105.0 | 0.2107 | 0.0471 |
| -0.5 | 135.0 | 0.142 | 0.0391 |
| -0.5 | 165.0 | 0.1741 | 0.0463 |
| -0.5 | 195.0 | 0.1575 | 0.0371 |
| -0.5 | 225.0 | 0.1805 | 0.0424 |
| -0.5 | 255.0 | 0.2506 | 0.0706 |
| -0.5 | 285.0 | 0.1924 | 0.0495 |
| -0.3 | 15.0 | 0.0243 | 0.0133 |
| -0.3 | 45.0 | 0.0477 | 0.0194 |
| -0.3 | 75.0 | 0.2631 | 0.0805 |
| -0.3 | 105.0 | 0.1773 | 0.0444 |
| -0.3 | 135.0 | 0.2676 | 0.0522 |
| -0.3 | 165.0 | 0.2188 | 0.0484 |
| -0.3 | 195.0 | 0.2926 | 0.0559 |
| -0.3 | 225.0 | 0.2328 | 0.0498 |
| -0.3 | 255.0 | 0.2236 | 0.0505 |
| -0.3 | 285.0 | 0.2593 | 0.0964 |
| -0.3 | 315.0 | 0.0211 | 0.0107 |
| -0.1 | 45.0 | 0.1784 | 0.0576 |
| -0.1 | 75.0 | 0.213 | 0.0493 |
| -0.1 | 105.0 | 0.1544 | 0.0321 |
| -0.1 | 135.0 | 0.2127 | 0.0469 |
| -0.1 | 165.0 | 0.2319 | 0.0458 |
| -0.1 | 195.0 | 0.2302 | 0.0419 |
| -0.1 | 225.0 | 0.2472 | 0.0489 |
| -0.1 | 255.0 | 0.2116 | 0.0488 |
| -0.1 | 285.0 | 0.1773 | 0.0555 |
| -0.1 | 315.0 | 0.129 | 0.056 |
| 0.1 | 45.0 | 0.1517 | 0.0474 |
| 0.1 | 75.0 | 0.1939 | 0.0437 |
| 0.1 | 105.0 | 0.2485 | 0.0632 |
| 0.1 | 135.0 | 0.1741 | 0.0388 |
| 0.1 | 165.0 | 0.1457 | 0.0279 |
| 0.1 | 195.0 | 0.1695 | 0.036 |
| 0.1 | 225.0 | 0.1461 | 0.0376 |
| 0.1 | 255.0 | 0.2234 | 0.0758 |
| 0.1 | 285.0 | 0.2172 | 0.0479 |
| 0.1 | 315.0 | 0.1572 | 0.0513 |
| 0.3 | 15.0 | 0.2992 | 0.2188 |
| 0.3 | 45.0 | 0.2324 | 0.0447 |
| 0.3 | 75.0 | 0.2666 | 0.0527 |
| 0.3 | 105.0 | 0.2182 | 0.0397 |
| 0.3 | 135.0 | 0.2136 | 0.046 |
| 0.3 | 165.0 | 0.1058 | 0.0172 |
| 0.3 | 195.0 | 0.1585 | 0.0264 |
| 0.3 | 225.0 | 0.1954 | 0.0751 |
| 0.3 | 255.0 | 0.1741 | 0.0543 |
| 0.3 | 285.0 | 0.1872 | 0.0409 |
| 0.3 | 315.0 | 0.248 | 0.0773 |
| 0.5 | 15.0 | 0.1314 | 0.0611 |
| 0.5 | 45.0 | 0.2351 | 0.063 |
| 0.5 | 75.0 | 0.1999 | 0.0426 |
| 0.5 | 105.0 | 0.2302 | 0.0438 |
| 0.5 | 135.0 | 0.2631 | 0.0577 |
| 0.5 | 165.0 | 0.2058 | 0.0556 |
| 0.5 | 195.0 | 0.1673 | 0.0314 |
| 0.5 | 225.0 | 0.1625 | 0.0453 |
| 0.5 | 255.0 | 0.2202 | 0.0636 |
| 0.5 | 285.0 | 0.305 | 0.0887 |
| 0.5 | 315.0 | 0.2873 | 0.0926 |
| 0.7 | 15.0 | 0.1669 | 0.0374 |
| 0.7 | 45.0 | 0.1941 | 0.0424 |
| 0.7 | 75.0 | 0.2655 | 0.0568 |
| 0.7 | 105.0 | 0.2296 | 0.0524 |
| 0.7 | 135.0 | 0.2058 | 0.044 |
| 0.7 | 165.0 | 0.1618 | 0.0319 |
| 0.7 | 195.0 | 0.178 | 0.0413 |
| 0.7 | 225.0 | 0.1778 | 0.042 |
| 0.7 | 255.0 | 0.2386 | 0.047 |
| 0.7 | 285.0 | 0.2056 | 0.0548 |
| 0.7 | 315.0 | 0.223 | 0.0588 |
| 0.7 | 345.0 | 0.2816 | 0.0615 |
| 0.9 | 15.0 | 0.1962 | 0.03 |
| 0.9 | 45.0 | 0.1843 | 0.0356 |
| 0.9 | 75.0 | 0.152 | 0.0279 |
| 0.9 | 105.0 | 0.1542 | 0.0337 |
| 0.9 | 135.0 | 0.1737 | 0.0308 |
| 0.9 | 165.0 | 0.1826 | 0.0363 |
| 0.9 | 195.0 | 0.1683 | 0.0314 |
| 0.9 | 225.0 | 0.166 | 0.0329 |
| 0.9 | 255.0 | 0.1624 | 0.0326 |
| 0.9 | 285.0 | 0.1748 | 0.0317 |
| 0.9 | 315.0 | 0.1932 | 0.0344 |
| 0.9 | 345.0 | 0.1955 | 0.0331 |
Experiment comment: