Measurement E141M38
| 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: | 2.2 GeV2 | |
| W: | 1.745 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.1504 | 0.0338 |
| -0.9 | 45.0 | 0.2013 | 0.0386 |
| -0.9 | 75.0 | 0.2526 | 0.0696 |
| -0.9 | 105.0 | 0.2535 | 0.055 |
| -0.9 | 135.0 | 0.2598 | 0.0664 |
| -0.9 | 165.0 | 0.158 | 0.0475 |
| -0.9 | 195.0 | 0.1231 | 0.0384 |
| -0.9 | 225.0 | 0.1468 | 0.0314 |
| -0.9 | 255.0 | 0.1847 | 0.0405 |
| -0.9 | 285.0 | 0.2453 | 0.0592 |
| -0.9 | 315.0 | 0.2161 | 0.0406 |
| -0.9 | 345.0 | 0.2392 | 0.0471 |
| -0.7 | 15.0 | 0.1575 | 0.0306 |
| -0.7 | 45.0 | 0.1334 | 0.0219 |
| -0.7 | 75.0 | 0.1214 | 0.0212 |
| -0.7 | 105.0 | 0.1605 | 0.0231 |
| -0.7 | 135.0 | 0.1068 | 0.0186 |
| -0.7 | 165.0 | 0.1563 | 0.0302 |
| -0.7 | 195.0 | 0.0973 | 0.0182 |
| -0.7 | 225.0 | 0.1065 | 0.0223 |
| -0.7 | 255.0 | 0.1037 | 0.0164 |
| -0.7 | 285.0 | 0.1367 | 0.0212 |
| -0.7 | 315.0 | 0.0923 | 0.0139 |
| -0.7 | 345.0 | 0.1499 | 0.0253 |
| -0.5 | 15.0 | 0.1533 | 0.0406 |
| -0.5 | 45.0 | 0.174 | 0.0263 |
| -0.5 | 75.0 | 0.1392 | 0.0198 |
| -0.5 | 105.0 | 0.1775 | 0.0226 |
| -0.5 | 135.0 | 0.1753 | 0.0228 |
| -0.5 | 165.0 | 0.1168 | 0.0158 |
| -0.5 | 195.0 | 0.15 | 0.0196 |
| -0.5 | 225.0 | 0.1548 | 0.0221 |
| -0.5 | 255.0 | 0.1457 | 0.0167 |
| -0.5 | 285.0 | 0.1655 | 0.024 |
| -0.5 | 315.0 | 0.1505 | 0.026 |
| -0.5 | 345.0 | 0.1636 | 0.0391 |
| -0.3 | 15.0 | 0.1073 | 0.0281 |
| -0.3 | 45.0 | 0.2422 | 0.0435 |
| -0.3 | 75.0 | 0.3652 | 0.0523 |
| -0.3 | 105.0 | 0.3411 | 0.038 |
| -0.3 | 135.0 | 0.279 | 0.0344 |
| -0.3 | 165.0 | 0.1936 | 0.0202 |
| -0.3 | 195.0 | 0.1687 | 0.0205 |
| -0.3 | 225.0 | 0.2408 | 0.0284 |
| -0.3 | 255.0 | 0.2413 | 0.0258 |
| -0.3 | 285.0 | 0.3185 | 0.0397 |
| -0.1 | 15.0 | 0.1128 | 0.0245 |
| -0.1 | 45.0 | 0.3967 | 0.0726 |
| -0.1 | 75.0 | 0.6299 | 0.069 |
| -0.1 | 105.0 | 0.6571 | 0.0731 |
| -0.1 | 135.0 | 0.3641 | 0.0455 |
| -0.1 | 165.0 | 0.299 | 0.0271 |
| -0.1 | 195.0 | 0.3186 | 0.0291 |
| -0.1 | 225.0 | 0.3714 | 0.0435 |
| -0.1 | 255.0 | 0.689 | 0.0747 |
| -0.1 | 285.0 | 0.5258 | 0.0647 |
| 0.1 | 15.0 | 0.1838 | 0.0474 |
| 0.1 | 45.0 | 0.4915 | 0.0702 |
| 0.1 | 105.0 | 0.5305 | 0.0553 |
| 0.1 | 165.0 | 0.3056 | 0.0336 |
| 0.1 | 195.0 | 0.3333 | 0.0334 |
| 0.1 | 225.0 | 0.4847 | 0.0536 |
| 0.1 | 255.0 | 0.6944 | 0.0773 |
| 0.1 | 285.0 | 0.7073 | 0.0878 |
| 0.1 | 315.0 | 0.5968 | 0.1012 |
| 0.3 | 15.0 | 0.0734 | 0.0136 |
| 0.3 | 45.0 | 0.5057 | 0.0505 |
| 0.3 | 75.0 | 0.7334 | 0.0655 |
| 0.3 | 105.0 | 0.7209 | 0.0738 |
| 0.3 | 165.0 | 0.2374 | 0.0197 |
| 0.3 | 195.0 | 0.2711 | 0.0226 |
| 0.3 | 225.0 | 0.4959 | 0.0558 |
| 0.3 | 255.0 | 0.557 | 0.0612 |
| 0.3 | 285.0 | 0.6785 | 0.0774 |
| 0.3 | 315.0 | 0.3632 | 0.0427 |
| 0.3 | 345.0 | 0.2607 | 0.0564 |
| 0.5 | 15.0 | 0.2036 | 0.0357 |
| 0.5 | 45.0 | 0.41 | 0.0451 |
| 0.5 | 75.0 | 0.7262 | 0.0759 |
| 0.5 | 105.0 | 0.9199 | 0.1076 |
| 0.5 | 135.0 | 0.4296 | 0.0466 |
| 0.5 | 165.0 | 0.2492 | 0.0244 |
| 0.5 | 195.0 | 0.2084 | 0.0198 |
| 0.5 | 225.0 | 0.4163 | 0.0476 |
| 0.5 | 255.0 | 0.7652 | 0.1176 |
| 0.5 | 285.0 | 0.7607 | 0.0956 |
| 0.5 | 315.0 | 0.4465 | 0.0531 |
| 0.5 | 345.0 | 0.2542 | 0.0481 |
| 0.7 | 15.0 | 0.2481 | 0.0273 |
| 0.7 | 45.0 | 0.3444 | 0.0384 |
| 0.7 | 75.0 | 0.5434 | 0.0553 |
| 0.7 | 105.0 | 0.8781 | 0.1008 |
| 0.7 | 135.0 | 0.7432 | 0.1009 |
| 0.7 | 165.0 | 0.472 | 0.0516 |
| 0.7 | 195.0 | 0.5686 | 0.0691 |
| 0.7 | 225.0 | 0.6842 | 0.0863 |
| 0.7 | 255.0 | 0.7632 | 0.093 |
| 0.7 | 285.0 | 0.4763 | 0.0598 |
| 0.7 | 315.0 | 0.3755 | 0.0502 |
| 0.7 | 345.0 | 0.2645 | 0.0281 |
| 0.9 | 15.0 | 0.5066 | 0.0437 |
| 0.9 | 45.0 | 0.4491 | 0.0403 |
| 0.9 | 75.0 | 0.4922 | 0.0429 |
| 0.9 | 105.0 | 0.6 | 0.0552 |
| 0.9 | 135.0 | 0.6556 | 0.0626 |
| 0.9 | 165.0 | 0.5969 | 0.0612 |
| 0.9 | 195.0 | 0.711 | 0.076 |
| 0.9 | 225.0 | 0.6182 | 0.0602 |
| 0.9 | 255.0 | 0.544 | 0.0503 |
| 0.9 | 285.0 | 0.4922 | 0.043 |
| 0.9 | 315.0 | 0.4474 | 0.0405 |
| 0.9 | 345.0 | 0.4662 | 0.0391 |
Experiment comment: