Measurement E141M104
| 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: | 1.715 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 45.0 | 0.0561 | 0.0181 |
| -0.9 | 75.0 | 0.0907 | 0.0373 |
| -0.9 | 105.0 | 0.0234 | 0.0069 |
| -0.9 | 135.0 | 0.0076 | 0.0021 |
| -0.9 | 255.0 | 0.0732 | 0.0197 |
| -0.9 | 285.0 | 0.0568 | 0.0175 |
| -0.9 | 345.0 | 0.0357 | 0.0115 |
| -0.7 | 45.0 | 0.0206 | 0.0051 |
| -0.7 | 75.0 | 0.0179 | 0.005 |
| -0.7 | 105.0 | 0.0224 | 0.0052 |
| -0.7 | 135.0 | 0.0282 | 0.007 |
| -0.7 | 165.0 | 0.0236 | 0.006 |
| -0.7 | 195.0 | 0.0175 | 0.0046 |
| -0.7 | 255.0 | 0.077 | 0.0216 |
| -0.7 | 285.0 | 0.0266 | 0.0072 |
| -0.7 | 315.0 | 0.0676 | 0.0165 |
| -0.5 | 15.0 | 0.0419 | 0.0149 |
| -0.5 | 45.0 | 0.0991 | 0.0316 |
| -0.5 | 75.0 | 0.1383 | 0.0291 |
| -0.5 | 105.0 | 0.2021 | 0.0401 |
| -0.5 | 135.0 | 0.111 | 0.0269 |
| -0.5 | 165.0 | 0.1472 | 0.0299 |
| -0.5 | 195.0 | 0.1289 | 0.0268 |
| -0.5 | 225.0 | 0.1258 | 0.0342 |
| -0.5 | 255.0 | 0.1355 | 0.0309 |
| -0.5 | 285.0 | 0.1629 | 0.0421 |
| -0.5 | 315.0 | 0.037 | 0.0116 |
| -0.3 | 45.0 | 0.1308 | 0.0419 |
| -0.3 | 75.0 | 0.2334 | 0.052 |
| -0.3 | 105.0 | 0.1884 | 0.0352 |
| -0.3 | 135.0 | 0.1608 | 0.0393 |
| -0.3 | 165.0 | 0.1517 | 0.0278 |
| -0.3 | 195.0 | 0.1342 | 0.0262 |
| -0.3 | 225.0 | 0.1509 | 0.027 |
| -0.3 | 255.0 | 0.1386 | 0.0281 |
| -0.3 | 285.0 | 0.0519 | 0.0126 |
| -0.1 | 15.0 | 0.9592 | 0.6863 |
| -0.1 | 45.0 | 0.1945 | 0.057 |
| -0.1 | 75.0 | 0.2602 | 0.0567 |
| -0.1 | 105.0 | 0.2589 | 0.0547 |
| -0.1 | 135.0 | 0.1528 | 0.0282 |
| -0.1 | 165.0 | 0.1378 | 0.0237 |
| -0.1 | 195.0 | 0.1827 | 0.0293 |
| -0.1 | 225.0 | 0.2219 | 0.0467 |
| -0.1 | 255.0 | 0.1794 | 0.0472 |
| -0.1 | 285.0 | 0.1896 | 0.0502 |
| 0.1 | 75.0 | 0.2043 | 0.039 |
| 0.1 | 105.0 | 0.2161 | 0.0435 |
| 0.1 | 135.0 | 0.1594 | 0.0358 |
| 0.1 | 165.0 | 0.0672 | 0.0117 |
| 0.1 | 195.0 | 0.062 | 0.0116 |
| 0.1 | 225.0 | 0.1303 | 0.0288 |
| 0.1 | 255.0 | 0.2266 | 0.0713 |
| 0.1 | 315.0 | 0.0195 | 0.0052 |
| 0.3 | 45.0 | 0.1399 | 0.0261 |
| 0.3 | 75.0 | 0.2339 | 0.0457 |
| 0.3 | 105.0 | 0.2466 | 0.043 |
| 0.3 | 135.0 | 0.181 | 0.0387 |
| 0.3 | 165.0 | 0.1277 | 0.023 |
| 0.3 | 195.0 | 0.0794 | 0.0123 |
| 0.3 | 225.0 | 0.2257 | 0.0565 |
| 0.3 | 255.0 | 0.2289 | 0.056 |
| 0.3 | 285.0 | 0.1868 | 0.0361 |
| 0.3 | 315.0 | 0.1974 | 0.0436 |
| 0.5 | 15.0 | 0.1106 | 0.0449 |
| 0.5 | 45.0 | 0.2414 | 0.0516 |
| 0.5 | 75.0 | 0.3069 | 0.0574 |
| 0.5 | 105.0 | 0.2309 | 0.0519 |
| 0.5 | 135.0 | 0.1907 | 0.0438 |
| 0.5 | 165.0 | 0.1916 | 0.0388 |
| 0.5 | 195.0 | 0.1993 | 0.0393 |
| 0.5 | 225.0 | 0.2466 | 0.0669 |
| 0.5 | 255.0 | 0.3017 | 0.0605 |
| 0.5 | 285.0 | 0.2144 | 0.0561 |
| 0.5 | 315.0 | 0.3071 | 0.0771 |
| 0.7 | 15.0 | 0.2295 | 0.0575 |
| 0.7 | 45.0 | 0.216 | 0.0585 |
| 0.7 | 75.0 | 0.4019 | 0.1006 |
| 0.7 | 105.0 | 0.3574 | 0.0634 |
| 0.7 | 135.0 | 0.3986 | 0.0749 |
| 0.7 | 165.0 | 0.2053 | 0.037 |
| 0.7 | 195.0 | 0.2114 | 0.0376 |
| 0.7 | 225.0 | 0.2441 | 0.0488 |
| 0.7 | 255.0 | 0.3526 | 0.0676 |
| 0.7 | 285.0 | 0.4296 | 0.1132 |
| 0.7 | 315.0 | 0.2932 | 0.0713 |
| 0.7 | 345.0 | 0.1653 | 0.0414 |
| 0.9 | 15.0 | 0.3693 | 0.0544 |
| 0.9 | 45.0 | 0.3287 | 0.0511 |
| 0.9 | 75.0 | 0.4304 | 0.0859 |
| 0.9 | 105.0 | 0.3917 | 0.097 |
| 0.9 | 135.0 | 0.334 | 0.0828 |
| 0.9 | 165.0 | 0.3171 | 0.0452 |
| 0.9 | 195.0 | 0.3611 | 0.0933 |
| 0.9 | 225.0 | 0.2907 | 0.0453 |
| 0.9 | 255.0 | 0.4895 | 0.1457 |
| 0.9 | 285.0 | 0.4033 | 0.0613 |
| 0.9 | 315.0 | 0.2209 | 0.0308 |
| 0.9 | 345.0 | 0.402 | 0.1011 |
Experiment comment: