Measurement E141M52
| 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: | 1.655 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.54 | 0.0977 |
| -0.9 | 45.0 | 0.6146 | 0.1293 |
| -0.9 | 75.0 | 0.5746 | 0.1241 |
| -0.9 | 105.0 | 0.4016 | 0.0683 |
| -0.9 | 135.0 | 0.4345 | 0.0871 |
| -0.9 | 165.0 | 0.4367 | 0.0804 |
| -0.9 | 195.0 | 0.4989 | 0.0996 |
| -0.9 | 225.0 | 0.4765 | 0.0965 |
| -0.9 | 255.0 | 0.4336 | 0.0818 |
| -0.9 | 285.0 | 0.5574 | 0.1239 |
| -0.9 | 315.0 | 0.5093 | 0.0932 |
| -0.9 | 345.0 | 0.4312 | 0.0675 |
| -0.7 | 15.0 | 0.7179 | 0.1582 |
| -0.7 | 45.0 | 0.3771 | 0.0648 |
| -0.7 | 75.0 | 0.6494 | 0.116 |
| -0.7 | 105.0 | 0.6299 | 0.0924 |
| -0.7 | 135.0 | 0.6318 | 0.1015 |
| -0.7 | 165.0 | 0.4303 | 0.069 |
| -0.7 | 195.0 | 0.4123 | 0.0711 |
| -0.7 | 225.0 | 0.362 | 0.0626 |
| -0.7 | 255.0 | 0.5949 | 0.0854 |
| -0.7 | 285.0 | 0.5353 | 0.0966 |
| -0.7 | 315.0 | 0.5637 | 0.0921 |
| -0.7 | 345.0 | 0.5538 | 0.1394 |
| -0.5 | 45.0 | 0.6387 | 0.1158 |
| -0.5 | 75.0 | 0.6573 | 0.1225 |
| -0.5 | 105.0 | 0.5827 | 0.0752 |
| -0.5 | 135.0 | 0.597 | 0.0901 |
| -0.5 | 165.0 | 0.487 | 0.0672 |
| -0.5 | 195.0 | 0.3768 | 0.0534 |
| -0.5 | 225.0 | 0.4435 | 0.066 |
| -0.5 | 255.0 | 0.6669 | 0.0946 |
| -0.5 | 285.0 | 0.6574 | 0.1151 |
| -0.5 | 315.0 | 0.5485 | 0.1002 |
| -0.3 | 15.0 | 0.2982 | 0.0855 |
| -0.3 | 45.0 | 0.5486 | 0.1437 |
| -0.3 | 75.0 | 0.4889 | 0.0738 |
| -0.3 | 105.0 | 0.5389 | 0.0708 |
| -0.3 | 135.0 | 0.6505 | 0.0872 |
| -0.3 | 165.0 | 0.5506 | 0.068 |
| -0.3 | 195.0 | 0.6503 | 0.0807 |
| -0.3 | 225.0 | 0.5928 | 0.0807 |
| -0.3 | 255.0 | 0.53 | 0.0727 |
| -0.3 | 285.0 | 0.6162 | 0.0978 |
| -0.1 | 15.0 | 0.3616 | 0.1321 |
| -0.1 | 45.0 | 0.6066 | 0.1358 |
| -0.1 | 75.0 | 0.6403 | 0.0883 |
| -0.1 | 105.0 | 0.5596 | 0.074 |
| -0.1 | 135.0 | 0.6791 | 0.099 |
| -0.1 | 165.0 | 0.6467 | 0.0696 |
| -0.1 | 195.0 | 0.652 | 0.0667 |
| -0.1 | 225.0 | 0.5958 | 0.0809 |
| -0.1 | 255.0 | 0.5756 | 0.0708 |
| -0.1 | 285.0 | 0.6227 | 0.098 |
| -0.1 | 315.0 | 0.4989 | 0.1301 |
| 0.1 | 15.0 | 0.4036 | 0.1621 |
| 0.1 | 45.0 | 0.6097 | 0.0954 |
| 0.1 | 75.0 | 0.7408 | 0.1133 |
| 0.1 | 105.0 | 0.5872 | 0.0733 |
| 0.1 | 135.0 | 0.673 | 0.0913 |
| 0.1 | 165.0 | 0.6121 | 0.0682 |
| 0.1 | 195.0 | 0.5982 | 0.0666 |
| 0.1 | 225.0 | 0.7151 | 0.0838 |
| 0.1 | 255.0 | 0.6068 | 0.0786 |
| 0.1 | 285.0 | 0.8183 | 0.1339 |
| 0.1 | 315.0 | 0.5348 | 0.1129 |
| 0.3 | 15.0 | 0.5234 | 0.1225 |
| 0.3 | 45.0 | 0.6257 | 0.0751 |
| 0.3 | 75.0 | 0.8084 | 0.0943 |
| 0.3 | 105.0 | 0.6599 | 0.0768 |
| 0.3 | 135.0 | 0.6034 | 0.0699 |
| 0.3 | 165.0 | 0.6205 | 0.0573 |
| 0.3 | 195.0 | 0.5771 | 0.0547 |
| 0.3 | 225.0 | 0.6665 | 0.0819 |
| 0.3 | 255.0 | 0.7183 | 0.1057 |
| 0.3 | 285.0 | 0.7708 | 0.1119 |
| 0.3 | 315.0 | 0.619 | 0.0857 |
| 0.5 | 15.0 | 0.6108 | 0.1161 |
| 0.5 | 45.0 | 0.7991 | 0.1147 |
| 0.5 | 75.0 | 0.9107 | 0.1115 |
| 0.5 | 105.0 | 0.8527 | 0.12 |
| 0.5 | 135.0 | 0.6472 | 0.0833 |
| 0.5 | 165.0 | 0.5067 | 0.0549 |
| 0.5 | 195.0 | 0.4563 | 0.0481 |
| 0.5 | 225.0 | 0.7197 | 0.0985 |
| 0.5 | 255.0 | 0.8136 | 0.1248 |
| 0.5 | 285.0 | 0.8144 | 0.1104 |
| 0.5 | 315.0 | 0.7576 | 0.1313 |
| 0.5 | 345.0 | 0.3193 | 0.0688 |
| 0.7 | 15.0 | 0.8021 | 0.0996 |
| 0.7 | 45.0 | 1.0705 | 0.1367 |
| 0.7 | 75.0 | 1.3477 | 0.1407 |
| 0.7 | 105.0 | 1.1206 | 0.1455 |
| 0.7 | 135.0 | 1.179 | 0.1915 |
| 0.7 | 165.0 | 0.7034 | 0.0861 |
| 0.7 | 195.0 | 0.8187 | 0.1098 |
| 0.7 | 225.0 | 1.0883 | 0.1605 |
| 0.7 | 255.0 | 1.1276 | 0.1605 |
| 0.7 | 285.0 | 1.2508 | 0.1601 |
| 0.7 | 315.0 | 0.8179 | 0.1155 |
| 0.7 | 345.0 | 0.5268 | 0.0653 |
| 0.9 | 15.0 | 0.8929 | 0.0926 |
| 0.9 | 45.0 | 0.8722 | 0.0918 |
| 0.9 | 75.0 | 0.9906 | 0.0979 |
| 0.9 | 105.0 | 0.8269 | 0.0925 |
| 0.9 | 135.0 | 0.7426 | 0.0918 |
| 0.9 | 165.0 | 0.6792 | 0.0865 |
| 0.9 | 195.0 | 0.6891 | 0.0915 |
| 0.9 | 225.0 | 0.8072 | 0.0978 |
| 0.9 | 255.0 | 0.6922 | 0.0803 |
| 0.9 | 285.0 | 0.9924 | 0.1008 |
| 0.9 | 315.0 | 0.8683 | 0.0887 |
| 0.9 | 345.0 | 0.9638 | 0.104 |
Experiment comment: