Measurement E141M83
| 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: | 3.15 GeV2 | |
| W: | 1.735 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.0326 | 0.0082 |
| -0.9 | 75.0 | 0.0444 | 0.0122 |
| -0.9 | 105.0 | 0.0977 | 0.0261 |
| -0.9 | 135.0 | 0.0831 | 0.0259 |
| -0.9 | 165.0 | 0.1076 | 0.0256 |
| -0.9 | 195.0 | 0.1452 | 0.0465 |
| -0.9 | 225.0 | 0.1176 | 0.0314 |
| -0.9 | 255.0 | 0.0385 | 0.0069 |
| -0.9 | 285.0 | 0.0492 | 0.0141 |
| -0.7 | 15.0 | 0.048 | 0.0097 |
| -0.7 | 75.0 | 0.0427 | 0.0112 |
| -0.7 | 105.0 | 0.0805 | 0.0128 |
| -0.7 | 135.0 | 0.085 | 0.0147 |
| -0.7 | 165.0 | 0.0934 | 0.0231 |
| -0.7 | 195.0 | 0.0959 | 0.0218 |
| -0.7 | 225.0 | 0.1088 | 0.0213 |
| -0.7 | 255.0 | 0.0993 | 0.0149 |
| -0.7 | 285.0 | 0.0365 | 0.008 |
| -0.7 | 345.0 | 0.065 | 0.0178 |
| -0.5 | 45.0 | 0.0488 | 0.0092 |
| -0.5 | 75.0 | 0.1113 | 0.018 |
| -0.5 | 105.0 | 0.1194 | 0.0226 |
| -0.5 | 135.0 | 0.0924 | 0.015 |
| -0.5 | 165.0 | 0.1034 | 0.0171 |
| -0.5 | 195.0 | 0.0886 | 0.0149 |
| -0.5 | 225.0 | 0.1014 | 0.0158 |
| -0.5 | 255.0 | 0.0993 | 0.0157 |
| -0.5 | 285.0 | 0.1218 | 0.0228 |
| -0.5 | 315.0 | 0.0455 | 0.0098 |
| -0.3 | 15.0 | 0.0559 | 0.0146 |
| -0.3 | 45.0 | 0.1426 | 0.0287 |
| -0.3 | 75.0 | 0.1532 | 0.0259 |
| -0.3 | 105.0 | 0.176 | 0.0243 |
| -0.3 | 135.0 | 0.1459 | 0.0223 |
| -0.3 | 165.0 | 0.1332 | 0.0197 |
| -0.3 | 195.0 | 0.1061 | 0.0146 |
| -0.3 | 225.0 | 0.135 | 0.0202 |
| -0.3 | 255.0 | 0.1713 | 0.0241 |
| -0.3 | 285.0 | 0.1673 | 0.027 |
| -0.1 | 15.0 | 0.048 | 0.0123 |
| -0.1 | 45.0 | 0.1914 | 0.0397 |
| -0.1 | 75.0 | 0.2735 | 0.0431 |
| -0.1 | 105.0 | 0.2548 | 0.0347 |
| -0.1 | 135.0 | 0.2635 | 0.0344 |
| -0.1 | 165.0 | 0.1451 | 0.0186 |
| -0.1 | 195.0 | 0.2196 | 0.0275 |
| -0.1 | 225.0 | 0.24 | 0.0383 |
| -0.1 | 255.0 | 0.2599 | 0.0353 |
| -0.1 | 285.0 | 0.3122 | 0.0514 |
| 0.1 | 45.0 | 0.2416 | 0.0438 |
| 0.1 | 75.0 | 0.3196 | 0.0443 |
| 0.1 | 105.0 | 0.2639 | 0.0379 |
| 0.1 | 135.0 | 0.1708 | 0.0243 |
| 0.1 | 165.0 | 0.1399 | 0.0161 |
| 0.1 | 195.0 | 0.1132 | 0.0131 |
| 0.1 | 225.0 | 0.1262 | 0.0207 |
| 0.1 | 255.0 | 0.2029 | 0.0352 |
| 0.1 | 285.0 | 0.2746 | 0.0485 |
| 0.1 | 315.0 | 0.227 | 0.0441 |
| 0.3 | 15.0 | 0.1289 | 0.0351 |
| 0.3 | 45.0 | 0.2926 | 0.0393 |
| 0.3 | 75.0 | 0.3573 | 0.0458 |
| 0.3 | 105.0 | 0.4295 | 0.053 |
| 0.3 | 135.0 | 0.2703 | 0.0358 |
| 0.3 | 165.0 | 0.1075 | 0.012 |
| 0.3 | 195.0 | 0.1161 | 0.0123 |
| 0.3 | 225.0 | 0.2419 | 0.0354 |
| 0.3 | 255.0 | 0.5213 | 0.0917 |
| 0.3 | 285.0 | 0.386 | 0.0612 |
| 0.3 | 315.0 | 0.3208 | 0.0478 |
| 0.5 | 15.0 | 0.2709 | 0.066 |
| 0.5 | 45.0 | 0.2527 | 0.0431 |
| 0.5 | 75.0 | 0.4151 | 0.0606 |
| 0.5 | 105.0 | 0.5086 | 0.0705 |
| 0.5 | 135.0 | 0.4859 | 0.0835 |
| 0.5 | 165.0 | 0.2765 | 0.0364 |
| 0.5 | 195.0 | 0.323 | 0.0433 |
| 0.5 | 225.0 | 0.4737 | 0.0873 |
| 0.5 | 255.0 | 0.4501 | 0.0738 |
| 0.5 | 285.0 | 0.2826 | 0.047 |
| 0.5 | 315.0 | 0.2626 | 0.0526 |
| 0.5 | 345.0 | 0.2728 | 0.0721 |
| 0.7 | 15.0 | 0.1846 | 0.0297 |
| 0.7 | 45.0 | 0.5009 | 0.0831 |
| 0.7 | 75.0 | 0.5931 | 0.0773 |
| 0.7 | 105.0 | 0.6215 | 0.092 |
| 0.7 | 135.0 | 0.5349 | 0.0925 |
| 0.7 | 165.0 | 0.5008 | 0.0717 |
| 0.7 | 195.0 | 0.4894 | 0.0683 |
| 0.7 | 225.0 | 0.4965 | 0.086 |
| 0.7 | 255.0 | 0.4703 | 0.0725 |
| 0.7 | 285.0 | 0.4806 | 0.075 |
| 0.7 | 315.0 | 0.5025 | 0.0973 |
| 0.7 | 345.0 | 0.2541 | 0.0394 |
| 0.9 | 15.0 | 0.525 | 0.0616 |
| 0.9 | 45.0 | 0.4947 | 0.0659 |
| 0.9 | 75.0 | 0.4437 | 0.0547 |
| 0.9 | 105.0 | 0.4593 | 0.0543 |
| 0.9 | 135.0 | 0.4867 | 0.0628 |
| 0.9 | 165.0 | 0.4403 | 0.0539 |
| 0.9 | 195.0 | 0.4462 | 0.0572 |
| 0.9 | 225.0 | 0.5029 | 0.0673 |
| 0.9 | 255.0 | 0.5501 | 0.0698 |
| 0.9 | 285.0 | 0.3819 | 0.0507 |
| 0.9 | 315.0 | 0.421 | 0.0556 |
| 0.9 | 345.0 | 0.5044 | 0.0594 |
Experiment comment: