Measurement E141M48
| 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: | 1.615 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.3036 | 0.0668 |
| -0.9 | 45.0 | 0.2808 | 0.0562 |
| -0.9 | 75.0 | 0.4891 | 0.1121 |
| -0.9 | 105.0 | 0.3903 | 0.0857 |
| -0.9 | 135.0 | 0.395 | 0.0869 |
| -0.9 | 165.0 | 0.3303 | 0.0736 |
| -0.9 | 195.0 | 0.3492 | 0.0617 |
| -0.9 | 225.0 | 0.4617 | 0.0827 |
| -0.9 | 255.0 | 0.3736 | 0.079 |
| -0.9 | 285.0 | 0.3375 | 0.0867 |
| -0.9 | 315.0 | 0.5959 | 0.1199 |
| -0.7 | 75.0 | 0.597 | 0.1064 |
| -0.7 | 105.0 | 0.5607 | 0.0897 |
| -0.7 | 135.0 | 0.5787 | 0.0848 |
| -0.7 | 165.0 | 0.551 | 0.089 |
| -0.7 | 195.0 | 0.5961 | 0.0815 |
| -0.7 | 225.0 | 0.5298 | 0.0879 |
| -0.7 | 255.0 | 0.6979 | 0.1023 |
| -0.7 | 285.0 | 0.6202 | 0.1008 |
| -0.7 | 315.0 | 0.4496 | 0.0787 |
| -0.7 | 345.0 | 0.2658 | 0.0549 |
| -0.5 | 45.0 | 0.9348 | 0.1639 |
| -0.5 | 75.0 | 0.7295 | 0.1137 |
| -0.5 | 105.0 | 0.6749 | 0.0897 |
| -0.5 | 135.0 | 0.5465 | 0.0778 |
| -0.5 | 165.0 | 0.5774 | 0.0849 |
| -0.5 | 195.0 | 0.5788 | 0.0735 |
| -0.5 | 225.0 | 0.5415 | 0.0752 |
| -0.5 | 255.0 | 0.762 | 0.1043 |
| -0.5 | 285.0 | 1.2253 | 0.1917 |
| -0.5 | 315.0 | 0.8409 | 0.1475 |
| -0.3 | 15.0 | 0.3574 | 0.09 |
| -0.3 | 45.0 | 0.5572 | 0.1345 |
| -0.3 | 75.0 | 0.5383 | 0.0819 |
| -0.3 | 105.0 | 0.6152 | 0.08 |
| -0.3 | 135.0 | 0.5256 | 0.0653 |
| -0.3 | 165.0 | 0.5072 | 0.059 |
| -0.3 | 195.0 | 0.5064 | 0.0611 |
| -0.3 | 225.0 | 0.522 | 0.0719 |
| -0.3 | 255.0 | 0.8893 | 0.1147 |
| -0.3 | 285.0 | 0.7477 | 0.1183 |
| -0.1 | 15.0 | 2.9569 | 1.3716 |
| -0.1 | 45.0 | 0.5479 | 0.1181 |
| -0.1 | 75.0 | 0.6776 | 0.1103 |
| -0.1 | 105.0 | 0.6994 | 0.0944 |
| -0.1 | 135.0 | 0.6017 | 0.0841 |
| -0.1 | 165.0 | 0.7589 | 0.0856 |
| -0.1 | 195.0 | 0.6207 | 0.0714 |
| -0.1 | 225.0 | 0.6466 | 0.0871 |
| -0.1 | 255.0 | 0.5437 | 0.0726 |
| -0.1 | 285.0 | 0.549 | 0.0966 |
| -0.1 | 315.0 | 0.4825 | 0.13 |
| 0.1 | 15.0 | 0.3674 | 0.1447 |
| 0.1 | 45.0 | 0.7035 | 0.1235 |
| 0.1 | 75.0 | 0.5171 | 0.0777 |
| 0.1 | 105.0 | 0.5061 | 0.0755 |
| 0.1 | 135.0 | 0.4463 | 0.0646 |
| 0.1 | 165.0 | 0.4519 | 0.0527 |
| 0.1 | 195.0 | 0.5072 | 0.0595 |
| 0.1 | 225.0 | 0.4973 | 0.069 |
| 0.1 | 255.0 | 0.5812 | 0.0794 |
| 0.1 | 285.0 | 0.6903 | 0.1285 |
| 0.1 | 315.0 | 0.4984 | 0.1074 |
| 0.3 | 15.0 | 0.4688 | 0.1006 |
| 0.3 | 45.0 | 0.6101 | 0.0823 |
| 0.3 | 75.0 | 0.734 | 0.0937 |
| 0.3 | 105.0 | 0.6961 | 0.0892 |
| 0.3 | 135.0 | 0.44 | 0.0562 |
| 0.3 | 165.0 | 0.5024 | 0.0487 |
| 0.3 | 195.0 | 0.4231 | 0.0422 |
| 0.3 | 225.0 | 0.4328 | 0.0556 |
| 0.3 | 255.0 | 0.5803 | 0.0919 |
| 0.3 | 285.0 | 0.7646 | 0.1091 |
| 0.3 | 315.0 | 0.7432 | 0.1358 |
| 0.3 | 345.0 | 0.5776 | 0.1924 |
| 0.5 | 15.0 | 0.4801 | 0.0856 |
| 0.5 | 45.0 | 0.7818 | 0.1208 |
| 0.5 | 75.0 | 0.8929 | 0.1264 |
| 0.5 | 105.0 | 0.5396 | 0.0833 |
| 0.5 | 135.0 | 0.4351 | 0.062 |
| 0.5 | 165.0 | 0.3884 | 0.0451 |
| 0.5 | 195.0 | 0.3634 | 0.0416 |
| 0.5 | 225.0 | 0.5859 | 0.084 |
| 0.5 | 255.0 | 0.8756 | 0.1595 |
| 0.5 | 285.0 | 1.0155 | 0.1632 |
| 0.5 | 315.0 | 0.8106 | 0.1436 |
| 0.5 | 345.0 | 0.5314 | 0.1008 |
| 0.7 | 15.0 | 0.5921 | 0.0749 |
| 0.7 | 45.0 | 0.7725 | 0.1053 |
| 0.7 | 75.0 | 0.9111 | 0.1133 |
| 0.7 | 105.0 | 0.7536 | 0.1123 |
| 0.7 | 135.0 | 0.6951 | 0.1182 |
| 0.7 | 165.0 | 0.5083 | 0.0669 |
| 0.7 | 195.0 | 0.4978 | 0.068 |
| 0.7 | 225.0 | 0.7017 | 0.1039 |
| 0.7 | 255.0 | 0.8957 | 0.1412 |
| 0.7 | 285.0 | 0.94 | 0.1289 |
| 0.7 | 315.0 | 0.6155 | 0.0998 |
| 0.7 | 345.0 | 0.7133 | 0.0991 |
| 0.9 | 15.0 | 0.9602 | 0.099 |
| 0.9 | 45.0 | 0.9258 | 0.0967 |
| 0.9 | 75.0 | 0.9508 | 0.109 |
| 0.9 | 105.0 | 0.7053 | 0.0864 |
| 0.9 | 135.0 | 0.7902 | 0.1002 |
| 0.9 | 165.0 | 0.5542 | 0.0748 |
| 0.9 | 195.0 | 0.5317 | 0.0768 |
| 0.9 | 225.0 | 0.6314 | 0.0922 |
| 0.9 | 255.0 | 0.6273 | 0.0823 |
| 0.9 | 285.0 | 0.6287 | 0.0693 |
| 0.9 | 315.0 | 0.8516 | 0.0889 |
| 0.9 | 345.0 | 0.8891 | 0.0937 |
Experiment comment: