Measurement E141M30
| 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: | 2.2 GeV2 | |
| W: | 1.665 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 1.0539 | 0.1637 |
| -0.9 | 45.0 | 0.9772 | 0.1363 |
| -0.9 | 75.0 | 0.8728 | 0.1364 |
| -0.9 | 105.0 | 0.6703 | 0.1215 |
| -0.9 | 135.0 | 0.7977 | 0.2526 |
| -0.9 | 165.0 | 0.5873 | 0.1751 |
| -0.9 | 195.0 | 0.64 | 0.1257 |
| -0.9 | 225.0 | 0.8515 | 0.1364 |
| -0.9 | 255.0 | 0.5847 | 0.0962 |
| -0.9 | 285.0 | 0.783 | 0.1258 |
| -0.9 | 315.0 | 1.0649 | 0.1462 |
| -0.9 | 345.0 | 0.8947 | 0.1388 |
| -0.7 | 15.0 | 0.5682 | 0.0932 |
| -0.7 | 45.0 | 0.7128 | 0.0975 |
| -0.7 | 75.0 | 0.8371 | 0.1239 |
| -0.7 | 105.0 | 0.7451 | 0.0915 |
| -0.7 | 135.0 | 0.4787 | 0.0725 |
| -0.7 | 165.0 | 0.4636 | 0.0666 |
| -0.7 | 195.0 | 0.4968 | 0.065 |
| -0.7 | 225.0 | 0.5677 | 0.0838 |
| -0.7 | 255.0 | 0.7463 | 0.0905 |
| -0.7 | 285.0 | 0.7668 | 0.1182 |
| -0.7 | 315.0 | 0.7764 | 0.1017 |
| -0.7 | 345.0 | 0.5556 | 0.0934 |
| -0.5 | 45.0 | 0.7659 | 0.1244 |
| -0.5 | 75.0 | 0.8653 | 0.1325 |
| -0.5 | 105.0 | 0.978 | 0.1096 |
| -0.5 | 135.0 | 0.6859 | 0.0847 |
| -0.5 | 165.0 | 0.5329 | 0.0641 |
| -0.5 | 195.0 | 0.5783 | 0.0745 |
| -0.5 | 225.0 | 0.6588 | 0.085 |
| -0.5 | 255.0 | 1.0004 | 0.1086 |
| -0.5 | 285.0 | 0.9037 | 0.1288 |
| -0.5 | 315.0 | 0.8331 | 0.1344 |
| -0.5 | 345.0 | 0.0969 | 0.0251 |
| -0.3 | 15.0 | 0.4728 | 0.1487 |
| -0.3 | 45.0 | 0.7218 | 0.1445 |
| -0.3 | 75.0 | 0.8288 | 0.104 |
| -0.3 | 105.0 | 1.0798 | 0.117 |
| -0.3 | 135.0 | 1.0106 | 0.115 |
| -0.3 | 165.0 | 0.8321 | 0.0844 |
| -0.3 | 195.0 | 0.7437 | 0.0715 |
| -0.3 | 225.0 | 0.8012 | 0.0846 |
| -0.3 | 255.0 | 0.9617 | 0.0954 |
| -0.3 | 285.0 | 0.6917 | 0.0867 |
| -0.1 | 15.0 | 0.3985 | 0.0982 |
| -0.1 | 45.0 | 0.614 | 0.122 |
| -0.1 | 75.0 | 0.9067 | 0.1014 |
| -0.1 | 105.0 | 0.6932 | 0.0697 |
| -0.1 | 135.0 | 0.6038 | 0.071 |
| -0.1 | 165.0 | 0.6358 | 0.0593 |
| -0.1 | 195.0 | 0.6293 | 0.0539 |
| -0.1 | 225.0 | 0.6222 | 0.072 |
| -0.1 | 255.0 | 0.9466 | 0.0918 |
| -0.1 | 285.0 | 0.8794 | 0.1146 |
| 0.1 | 15.0 | 0.6482 | 0.3216 |
| 0.1 | 45.0 | 0.835 | 0.1043 |
| 0.1 | 75.0 | 0.9505 | 0.0991 |
| 0.1 | 105.0 | 0.862 | 0.0856 |
| 0.1 | 135.0 | 1.0278 | 0.1128 |
| 0.1 | 165.0 | 0.6379 | 0.0588 |
| 0.1 | 195.0 | 0.6778 | 0.0604 |
| 0.1 | 225.0 | 0.8762 | 0.0927 |
| 0.1 | 255.0 | 0.9595 | 0.0967 |
| 0.1 | 285.0 | 1.1264 | 0.1383 |
| 0.1 | 315.0 | 0.777 | 0.1425 |
| 0.3 | 15.0 | 0.5137 | 0.0777 |
| 0.3 | 45.0 | 1.1012 | 0.0957 |
| 0.3 | 75.0 | 1.3663 | 0.1162 |
| 0.3 | 105.0 | 1.1781 | 0.1013 |
| 0.3 | 135.0 | 0.8144 | 0.076 |
| 0.3 | 165.0 | 0.7862 | 0.0602 |
| 0.3 | 195.0 | 0.8117 | 0.0621 |
| 0.3 | 225.0 | 0.9082 | 0.085 |
| 0.3 | 255.0 | 1.0394 | 0.1079 |
| 0.3 | 285.0 | 1.3364 | 0.1401 |
| 0.3 | 315.0 | 1.068 | 0.1196 |
| 0.3 | 345.0 | 0.757 | 0.1431 |
| 0.5 | 15.0 | 0.2546 | 0.0363 |
| 0.5 | 45.0 | 0.7479 | 0.0792 |
| 0.5 | 75.0 | 1.1251 | 0.1084 |
| 0.5 | 105.0 | 1.2529 | 0.1417 |
| 0.5 | 135.0 | 1.0063 | 0.1021 |
| 0.5 | 165.0 | 0.5266 | 0.0477 |
| 0.5 | 195.0 | 0.505 | 0.0456 |
| 0.5 | 225.0 | 0.7183 | 0.0739 |
| 0.5 | 255.0 | 1.3745 | 0.1668 |
| 0.5 | 285.0 | 1.27 | 0.1513 |
| 0.5 | 315.0 | 0.8667 | 0.1079 |
| 0.5 | 345.0 | 0.3901 | 0.0628 |
| 0.7 | 15.0 | 0.4333 | 0.0399 |
| 0.7 | 45.0 | 1.1143 | 0.1207 |
| 0.7 | 75.0 | 1.3823 | 0.1297 |
| 0.7 | 105.0 | 1.7645 | 0.1881 |
| 0.7 | 135.0 | 1.0197 | 0.1173 |
| 0.7 | 165.0 | 0.871 | 0.0796 |
| 0.7 | 195.0 | 0.8388 | 0.077 |
| 0.7 | 225.0 | 1.2625 | 0.1433 |
| 0.7 | 255.0 | 1.7198 | 0.2049 |
| 0.7 | 285.0 | 1.8006 | 0.1948 |
| 0.7 | 315.0 | 1.2286 | 0.1446 |
| 0.7 | 345.0 | 0.4672 | 0.0437 |
| 0.9 | 15.0 | 1.199 | 0.0954 |
| 0.9 | 45.0 | 1.0567 | 0.0823 |
| 0.9 | 75.0 | 1.0911 | 0.0911 |
| 0.9 | 105.0 | 1.1144 | 0.0996 |
| 0.9 | 135.0 | 1.1777 | 0.1197 |
| 0.9 | 165.0 | 1.2869 | 0.1414 |
| 0.9 | 195.0 | 1.0764 | 0.1206 |
| 0.9 | 225.0 | 1.2689 | 0.1206 |
| 0.9 | 255.0 | 1.2527 | 0.1109 |
| 0.9 | 285.0 | 1.0153 | 0.0836 |
| 0.9 | 315.0 | 1.2654 | 0.1005 |
| 0.9 | 345.0 | 1.4288 | 0.1102 |
Experiment comment: