Measurement E141M59
| 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: | 2.6 GeV2 | |
| W: | 1.725 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.2159 | 0.0457 |
| -0.9 | 45.0 | 0.2614 | 0.0557 |
| -0.9 | 75.0 | 0.3127 | 0.091 |
| -0.9 | 105.0 | 0.3012 | 0.0635 |
| -0.9 | 135.0 | 0.2574 | 0.0653 |
| -0.9 | 165.0 | 0.1884 | 0.0435 |
| -0.9 | 195.0 | 0.1707 | 0.0454 |
| -0.9 | 225.0 | 0.184 | 0.0443 |
| -0.9 | 255.0 | 0.141 | 0.0333 |
| -0.9 | 285.0 | 0.211 | 0.0371 |
| -0.9 | 315.0 | 0.2138 | 0.0384 |
| -0.9 | 345.0 | 0.2158 | 0.0395 |
| -0.7 | 75.0 | 0.2287 | 0.0473 |
| -0.7 | 105.0 | 0.215 | 0.0309 |
| -0.7 | 135.0 | 0.1912 | 0.0358 |
| -0.7 | 165.0 | 0.1464 | 0.0257 |
| -0.7 | 195.0 | 0.1905 | 0.0348 |
| -0.7 | 225.0 | 0.2047 | 0.0359 |
| -0.7 | 255.0 | 0.2364 | 0.0355 |
| -0.7 | 285.0 | 0.2224 | 0.0418 |
| -0.7 | 345.0 | 0.0282 | 0.0077 |
| -0.5 | 15.0 | 0.1427 | 0.0617 |
| -0.5 | 45.0 | 0.2279 | 0.041 |
| -0.5 | 75.0 | 0.2284 | 0.0365 |
| -0.5 | 105.0 | 0.2885 | 0.0385 |
| -0.5 | 135.0 | 0.224 | 0.0324 |
| -0.5 | 165.0 | 0.2009 | 0.0272 |
| -0.5 | 195.0 | 0.2253 | 0.0349 |
| -0.5 | 225.0 | 0.2233 | 0.0345 |
| -0.5 | 255.0 | 0.2795 | 0.0367 |
| -0.5 | 285.0 | 0.2838 | 0.0435 |
| -0.5 | 315.0 | 0.1386 | 0.0264 |
| -0.3 | 15.0 | 0.2117 | 0.0535 |
| -0.3 | 45.0 | 0.2395 | 0.0473 |
| -0.3 | 75.0 | 0.3782 | 0.0562 |
| -0.3 | 105.0 | 0.4369 | 0.0531 |
| -0.3 | 135.0 | 0.3168 | 0.042 |
| -0.3 | 165.0 | 0.3012 | 0.0339 |
| -0.3 | 195.0 | 0.2981 | 0.0344 |
| -0.3 | 225.0 | 0.307 | 0.039 |
| -0.3 | 255.0 | 0.321 | 0.0395 |
| -0.3 | 285.0 | 0.3222 | 0.0433 |
| -0.1 | 15.0 | 0.1542 | 0.0384 |
| -0.1 | 45.0 | 0.3539 | 0.059 |
| -0.1 | 75.0 | 0.5238 | 0.072 |
| -0.1 | 105.0 | 0.4519 | 0.0566 |
| -0.1 | 135.0 | 0.4052 | 0.0519 |
| -0.1 | 165.0 | 0.2668 | 0.0309 |
| -0.1 | 195.0 | 0.289 | 0.0316 |
| -0.1 | 225.0 | 0.3527 | 0.0438 |
| -0.1 | 255.0 | 0.3895 | 0.0448 |
| -0.1 | 285.0 | 0.5094 | 0.0738 |
| -0.1 | 315.0 | 0.5191 | 0.1143 |
| 0.1 | 15.0 | 2.032 | 1.151 |
| 0.1 | 45.0 | 0.4045 | 0.0605 |
| 0.1 | 75.0 | 0.6814 | 0.0871 |
| 0.1 | 105.0 | 0.5912 | 0.0712 |
| 0.1 | 135.0 | 0.444 | 0.0558 |
| 0.1 | 165.0 | 0.2636 | 0.0269 |
| 0.1 | 195.0 | 0.3101 | 0.0329 |
| 0.1 | 225.0 | 0.4297 | 0.0611 |
| 0.1 | 255.0 | 0.4058 | 0.0501 |
| 0.1 | 285.0 | 0.5939 | 0.092 |
| 0.1 | 315.0 | 0.4979 | 0.1001 |
| 0.3 | 15.0 | 0.269 | 0.0637 |
| 0.3 | 45.0 | 0.4674 | 0.0514 |
| 0.3 | 75.0 | 0.6333 | 0.0658 |
| 0.3 | 105.0 | 0.636 | 0.0711 |
| 0.3 | 135.0 | 0.4309 | 0.0497 |
| 0.3 | 165.0 | 0.338 | 0.0323 |
| 0.3 | 195.0 | 0.3859 | 0.0336 |
| 0.3 | 225.0 | 0.3811 | 0.0448 |
| 0.3 | 255.0 | 0.4268 | 0.0554 |
| 0.3 | 285.0 | 0.5924 | 0.0729 |
| 0.3 | 315.0 | 0.3929 | 0.0475 |
| 0.3 | 345.0 | 0.5213 | 0.1376 |
| 0.5 | 15.0 | 0.2253 | 0.0444 |
| 0.5 | 45.0 | 0.4802 | 0.0647 |
| 0.5 | 75.0 | 0.5742 | 0.0636 |
| 0.5 | 105.0 | 0.8854 | 0.1265 |
| 0.5 | 135.0 | 0.5798 | 0.0784 |
| 0.5 | 165.0 | 0.265 | 0.0276 |
| 0.5 | 195.0 | 0.2428 | 0.0248 |
| 0.5 | 225.0 | 0.4825 | 0.0689 |
| 0.5 | 255.0 | 0.6421 | 0.1004 |
| 0.5 | 285.0 | 0.7547 | 0.1029 |
| 0.5 | 315.0 | 0.4634 | 0.0743 |
| 0.5 | 345.0 | 0.3769 | 0.0867 |
| 0.7 | 15.0 | 0.384 | 0.0505 |
| 0.7 | 45.0 | 0.5459 | 0.0734 |
| 0.7 | 75.0 | 0.6986 | 0.0804 |
| 0.7 | 105.0 | 0.8427 | 0.1115 |
| 0.7 | 135.0 | 0.7033 | 0.098 |
| 0.7 | 165.0 | 0.657 | 0.0849 |
| 0.7 | 195.0 | 0.6249 | 0.0862 |
| 0.7 | 225.0 | 0.7393 | 0.1258 |
| 0.7 | 255.0 | 0.7613 | 0.1108 |
| 0.7 | 285.0 | 0.5937 | 0.0734 |
| 0.7 | 315.0 | 0.5317 | 0.0858 |
| 0.7 | 345.0 | 0.3428 | 0.0426 |
| 0.9 | 15.0 | 0.7706 | 0.0799 |
| 0.9 | 45.0 | 0.5637 | 0.0629 |
| 0.9 | 75.0 | 0.6682 | 0.0697 |
| 0.9 | 105.0 | 0.9481 | 0.1087 |
| 0.9 | 135.0 | 0.8715 | 0.1052 |
| 0.9 | 165.0 | 1.1545 | 0.1271 |
| 0.9 | 195.0 | 1.0842 | 0.12 |
| 0.9 | 225.0 | 1.0764 | 0.1237 |
| 0.9 | 255.0 | 0.7821 | 0.0884 |
| 0.9 | 285.0 | 0.6364 | 0.0652 |
| 0.9 | 315.0 | 0.6177 | 0.0703 |
| 0.9 | 345.0 | 0.7443 | 0.0728 |
Experiment comment: