Measurement E141M98
| 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: | 1.655 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 45.0 | 0.1137 | 0.0333 |
| -0.9 | 75.0 | 0.0663 | 0.0223 |
| -0.9 | 105.0 | 0.1418 | 0.0381 |
| -0.9 | 135.0 | 0.2077 | 0.0521 |
| -0.9 | 165.0 | 1.0002 | 0.4413 |
| -0.9 | 225.0 | 0.1182 | 0.04 |
| -0.9 | 255.0 | 0.1595 | 0.0516 |
| -0.9 | 285.0 | 0.1758 | 0.0522 |
| -0.9 | 345.0 | 0.1074 | 0.0303 |
| -0.7 | 45.0 | 0.1618 | 0.0476 |
| -0.7 | 75.0 | 0.1393 | 0.0369 |
| -0.7 | 105.0 | 0.2141 | 0.0554 |
| -0.7 | 135.0 | 0.1984 | 0.0471 |
| -0.7 | 165.0 | 0.1512 | 0.0345 |
| -0.7 | 195.0 | 0.193 | 0.0419 |
| -0.7 | 225.0 | 0.1813 | 0.0557 |
| -0.7 | 255.0 | 0.1855 | 0.0423 |
| -0.7 | 285.0 | 0.1564 | 0.0463 |
| -0.5 | 15.0 | 0.0343 | 0.0154 |
| -0.5 | 45.0 | 0.2001 | 0.0735 |
| -0.5 | 75.0 | 0.2223 | 0.0539 |
| -0.5 | 105.0 | 0.1952 | 0.0454 |
| -0.5 | 135.0 | 0.1377 | 0.0371 |
| -0.5 | 165.0 | 0.174 | 0.0377 |
| -0.5 | 195.0 | 0.139 | 0.0286 |
| -0.5 | 225.0 | 0.1751 | 0.0365 |
| -0.5 | 255.0 | 0.2394 | 0.0535 |
| -0.5 | 285.0 | 0.1526 | 0.0436 |
| -0.3 | 45.0 | 0.1432 | 0.0481 |
| -0.3 | 75.0 | 0.2172 | 0.0615 |
| -0.3 | 105.0 | 0.1733 | 0.0365 |
| -0.3 | 135.0 | 0.2494 | 0.0511 |
| -0.3 | 165.0 | 0.1985 | 0.0408 |
| -0.3 | 195.0 | 0.3121 | 0.056 |
| -0.3 | 225.0 | 0.2571 | 0.0476 |
| -0.3 | 255.0 | 0.2052 | 0.0485 |
| -0.3 | 285.0 | 0.2644 | 0.0864 |
| -0.3 | 315.0 | 0.0632 | 0.0285 |
| -0.1 | 15.0 | 0.5229 | 0.3756 |
| -0.1 | 45.0 | 0.1641 | 0.0596 |
| -0.1 | 75.0 | 0.191 | 0.0513 |
| -0.1 | 105.0 | 0.1545 | 0.0379 |
| -0.1 | 135.0 | 0.2054 | 0.0385 |
| -0.1 | 165.0 | 0.2473 | 0.0453 |
| -0.1 | 195.0 | 0.223 | 0.0395 |
| -0.1 | 225.0 | 0.2592 | 0.0565 |
| -0.1 | 255.0 | 0.2014 | 0.0528 |
| -0.1 | 285.0 | 0.1727 | 0.0597 |
| -0.1 | 315.0 | 0.117 | 0.0425 |
| 0.1 | 45.0 | 0.1325 | 0.0412 |
| 0.1 | 75.0 | 0.1994 | 0.0436 |
| 0.1 | 105.0 | 0.2509 | 0.0638 |
| 0.1 | 135.0 | 0.1962 | 0.0422 |
| 0.1 | 165.0 | 0.1606 | 0.0303 |
| 0.1 | 195.0 | 0.1945 | 0.0376 |
| 0.1 | 225.0 | 0.144 | 0.0313 |
| 0.1 | 255.0 | 0.2355 | 0.0754 |
| 0.1 | 285.0 | 0.2264 | 0.0612 |
| 0.1 | 315.0 | 0.2112 | 0.071 |
| 0.3 | 15.0 | 0.3846 | 0.1209 |
| 0.3 | 45.0 | 0.2468 | 0.0555 |
| 0.3 | 75.0 | 0.2713 | 0.0427 |
| 0.3 | 105.0 | 0.2415 | 0.0528 |
| 0.3 | 135.0 | 0.2088 | 0.0599 |
| 0.3 | 165.0 | 0.1019 | 0.0175 |
| 0.3 | 195.0 | 0.1548 | 0.0256 |
| 0.3 | 225.0 | 0.2025 | 0.055 |
| 0.3 | 255.0 | 0.1591 | 0.0424 |
| 0.3 | 285.0 | 0.1948 | 0.0421 |
| 0.3 | 315.0 | 0.2859 | 0.0633 |
| 0.5 | 15.0 | 0.1332 | 0.0504 |
| 0.5 | 45.0 | 0.2222 | 0.0511 |
| 0.5 | 75.0 | 0.1919 | 0.0441 |
| 0.5 | 105.0 | 0.2189 | 0.0469 |
| 0.5 | 135.0 | 0.2782 | 0.072 |
| 0.5 | 165.0 | 0.2131 | 0.0449 |
| 0.5 | 195.0 | 0.1839 | 0.0351 |
| 0.5 | 225.0 | 0.1543 | 0.0456 |
| 0.5 | 255.0 | 0.2422 | 0.0559 |
| 0.5 | 285.0 | 0.3 | 0.0816 |
| 0.5 | 315.0 | 0.2866 | 0.1101 |
| 0.7 | 15.0 | 0.1631 | 0.0348 |
| 0.7 | 45.0 | 0.1952 | 0.0461 |
| 0.7 | 75.0 | 0.2428 | 0.0519 |
| 0.7 | 105.0 | 0.2042 | 0.0469 |
| 0.7 | 135.0 | 0.1901 | 0.0467 |
| 0.7 | 165.0 | 0.1471 | 0.0295 |
| 0.7 | 195.0 | 0.1589 | 0.0328 |
| 0.7 | 225.0 | 0.1779 | 0.0388 |
| 0.7 | 255.0 | 0.2156 | 0.0517 |
| 0.7 | 285.0 | 0.2234 | 0.0505 |
| 0.7 | 315.0 | 0.2418 | 0.0537 |
| 0.7 | 345.0 | 0.2873 | 0.058 |
| 0.9 | 15.0 | 0.1968 | 0.0336 |
| 0.9 | 45.0 | 0.1882 | 0.0342 |
| 0.9 | 75.0 | 0.1534 | 0.03 |
| 0.9 | 105.0 | 0.1538 | 0.0275 |
| 0.9 | 135.0 | 0.1903 | 0.0361 |
| 0.9 | 165.0 | 0.1903 | 0.0397 |
| 0.9 | 195.0 | 0.1727 | 0.0288 |
| 0.9 | 225.0 | 0.1656 | 0.0271 |
| 0.9 | 255.0 | 0.1719 | 0.036 |
| 0.9 | 285.0 | 0.1789 | 0.0407 |
| 0.9 | 315.0 | 0.1981 | 0.0378 |
| 0.9 | 345.0 | 0.2024 | 0.0341 |
Experiment comment: