Measurement E141M107
| 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: | 1.745 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 75.0 | 12.03 | 4.8257 |
| -0.9 | 105.0 | 10.789 | 4.4311 |
| -0.9 | 135.0 | 2.6822 | 0.9871 |
| -0.9 | 165.0 | 1.2351 | 0.6803 |
| -0.9 | 195.0 | 1.8701 | 0.7686 |
| -0.9 | 225.0 | 2.7113 | 1.6756 |
| -0.9 | 255.0 | 2.85 | 1.1606 |
| -0.9 | 285.0 | 4.6501 | 2.4738 |
| -0.7 | 15.0 | 2.414 | 1.4629 |
| -0.7 | 45.0 | 6.0343 | 2.2273 |
| -0.7 | 75.0 | 3.0063 | 1.3664 |
| -0.7 | 105.0 | 2.0993 | 0.7136 |
| -0.7 | 135.0 | 1.0922 | 0.4312 |
| -0.7 | 165.0 | 1.3136 | 0.4477 |
| -0.7 | 195.0 | 2.6032 | 0.8077 |
| -0.7 | 225.0 | 1.4828 | 0.5725 |
| -0.7 | 255.0 | 4.2771 | 1.289 |
| -0.7 | 285.0 | 4.7229 | 1.6285 |
| -0.7 | 315.0 | 3.8701 | 1.5557 |
| -0.7 | 345.0 | 5.3609 | 2.5762 |
| -0.5 | 105.0 | 0.0896 | 0.0202 |
| -0.5 | 135.0 | 0.0771 | 0.0222 |
| -0.5 | 165.0 | 0.063 | 0.0123 |
| -0.5 | 195.0 | 0.0724 | 0.0175 |
| -0.3 | 45.0 | 0.0929 | 0.0314 |
| -0.3 | 75.0 | 0.1077 | 0.0298 |
| -0.3 | 105.0 | 0.1076 | 0.0231 |
| -0.3 | 135.0 | 0.159 | 0.0317 |
| -0.3 | 165.0 | 0.0931 | 0.0213 |
| -0.3 | 195.0 | 0.0861 | 0.0175 |
| -0.3 | 225.0 | 0.0813 | 0.0174 |
| -0.3 | 255.0 | 0.0883 | 0.0182 |
| -0.1 | 15.0 | 0.6337 | 0.4331 |
| -0.1 | 75.0 | 0.1951 | 0.0417 |
| -0.1 | 105.0 | 0.1322 | 0.0273 |
| -0.1 | 135.0 | 0.0873 | 0.0183 |
| -0.1 | 165.0 | 0.1002 | 0.0202 |
| -0.1 | 195.0 | 0.1582 | 0.0285 |
| -0.1 | 225.0 | 0.0587 | 0.0139 |
| -0.1 | 255.0 | 0.099 | 0.0247 |
| -0.1 | 285.0 | 0.0937 | 0.0237 |
| 0.1 | 45.0 | 0.107 | 0.0277 |
| 0.1 | 75.0 | 0.1629 | 0.033 |
| 0.1 | 105.0 | 0.1985 | 0.0451 |
| 0.1 | 135.0 | 0.1471 | 0.0345 |
| 0.1 | 165.0 | 0.0878 | 0.0161 |
| 0.1 | 195.0 | 0.0794 | 0.0144 |
| 0.1 | 225.0 | 0.1722 | 0.0451 |
| 0.1 | 255.0 | 0.2111 | 0.0623 |
| 0.1 | 315.0 | 0.1425 | 0.0405 |
| 0.3 | 45.0 | 0.1072 | 0.0226 |
| 0.3 | 75.0 | 0.2 | 0.0375 |
| 0.3 | 105.0 | 0.1002 | 0.0211 |
| 0.3 | 135.0 | 0.1646 | 0.0434 |
| 0.3 | 165.0 | 0.1249 | 0.0209 |
| 0.3 | 195.0 | 0.0949 | 0.017 |
| 0.3 | 225.0 | 0.1894 | 0.0498 |
| 0.3 | 255.0 | 0.1452 | 0.0431 |
| 0.3 | 285.0 | 0.1517 | 0.0369 |
| 0.3 | 315.0 | 0.1224 | 0.0275 |
| 0.5 | 45.0 | 0.2399 | 0.0706 |
| 0.5 | 75.0 | 0.2831 | 0.0702 |
| 0.5 | 105.0 | 0.1934 | 0.0432 |
| 0.5 | 135.0 | 0.1388 | 0.036 |
| 0.5 | 165.0 | 0.1768 | 0.0358 |
| 0.5 | 195.0 | 0.1747 | 0.0344 |
| 0.5 | 225.0 | 0.1917 | 0.0522 |
| 0.5 | 255.0 | 0.2011 | 0.0502 |
| 0.5 | 285.0 | 0.1627 | 0.0454 |
| 0.5 | 315.0 | 0.2766 | 0.1008 |
| 0.7 | 15.0 | 0.1619 | 0.0471 |
| 0.7 | 45.0 | 0.19 | 0.0473 |
| 0.7 | 75.0 | 0.3517 | 0.0742 |
| 0.7 | 105.0 | 0.3227 | 0.0809 |
| 0.7 | 135.0 | 0.2921 | 0.0648 |
| 0.7 | 165.0 | 0.1923 | 0.0345 |
| 0.7 | 195.0 | 0.1306 | 0.0245 |
| 0.7 | 225.0 | 0.1497 | 0.0383 |
| 0.7 | 255.0 | 0.2359 | 0.0523 |
| 0.7 | 285.0 | 0.2654 | 0.0784 |
| 0.7 | 315.0 | 0.3328 | 0.1143 |
| 0.7 | 345.0 | 0.0777 | 0.0224 |
| 0.9 | 15.0 | 0.3668 | 0.061 |
| 0.9 | 45.0 | 0.2263 | 0.0405 |
| 0.9 | 75.0 | 0.467 | 0.0829 |
| 0.9 | 105.0 | 0.3613 | 0.061 |
| 0.9 | 135.0 | 0.3556 | 0.0599 |
| 0.9 | 165.0 | 0.348 | 0.0572 |
| 0.9 | 195.0 | 0.4042 | 0.0687 |
| 0.9 | 225.0 | 0.3716 | 0.0677 |
| 0.9 | 255.0 | 0.4667 | 0.0991 |
| 0.9 | 285.0 | 0.3574 | 0.0572 |
| 0.9 | 315.0 | 0.1927 | 0.0347 |
| 0.9 | 345.0 | 0.3653 | 0.0641 |
Experiment comment: