Measurement E141M26
| 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: | 1.625 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.5365 | 0.0855 |
| -0.9 | 45.0 | 0.6888 | 0.1108 |
| -0.9 | 75.0 | 0.7283 | 0.138 |
| -0.9 | 105.0 | 0.5921 | 0.1004 |
| -0.9 | 135.0 | 0.4882 | 0.0893 |
| -0.9 | 165.0 | 0.4711 | 0.0862 |
| -0.9 | 195.0 | 0.3931 | 0.0683 |
| -0.9 | 225.0 | 0.4666 | 0.0759 |
| -0.9 | 255.0 | 0.405 | 0.0716 |
| -0.9 | 285.0 | 0.5518 | 0.0982 |
| -0.9 | 315.0 | 0.6264 | 0.1031 |
| -0.9 | 345.0 | 0.6049 | 0.0857 |
| -0.7 | 15.0 | 0.8224 | 0.137 |
| -0.7 | 45.0 | 0.8373 | 0.1381 |
| -0.7 | 75.0 | 1.0093 | 0.1675 |
| -0.7 | 105.0 | 0.6902 | 0.0833 |
| -0.7 | 135.0 | 0.5906 | 0.0844 |
| -0.7 | 165.0 | 0.5425 | 0.0692 |
| -0.7 | 195.0 | 0.6132 | 0.0762 |
| -0.7 | 225.0 | 0.8292 | 0.1074 |
| -0.7 | 255.0 | 0.8406 | 0.1032 |
| -0.7 | 285.0 | 0.9427 | 0.1387 |
| -0.7 | 315.0 | 0.7992 | 0.1268 |
| -0.7 | 345.0 | 0.6913 | 0.1251 |
| -0.5 | 15.0 | 0.5848 | 0.1194 |
| -0.5 | 45.0 | 0.7658 | 0.1152 |
| -0.5 | 75.0 | 0.96 | 0.1222 |
| -0.5 | 105.0 | 1.263 | 0.1357 |
| -0.5 | 135.0 | 0.9053 | 0.113 |
| -0.5 | 165.0 | 0.7188 | 0.0863 |
| -0.5 | 195.0 | 0.7534 | 0.0808 |
| -0.5 | 225.0 | 0.8566 | 0.0985 |
| -0.5 | 255.0 | 0.9952 | 0.1121 |
| -0.5 | 285.0 | 0.9574 | 0.1278 |
| -0.5 | 315.0 | 0.7466 | 0.117 |
| -0.5 | 345.0 | 0.5109 | 0.1216 |
| -0.3 | 15.0 | 0.6189 | 0.1505 |
| -0.3 | 45.0 | 0.9564 | 0.1803 |
| -0.3 | 75.0 | 0.773 | 0.1009 |
| -0.3 | 105.0 | 0.8263 | 0.0949 |
| -0.3 | 135.0 | 0.8429 | 0.0928 |
| -0.3 | 165.0 | 0.7733 | 0.0798 |
| -0.3 | 195.0 | 0.7982 | 0.0801 |
| -0.3 | 225.0 | 0.8548 | 0.0991 |
| -0.3 | 255.0 | 0.9744 | 0.104 |
| -0.3 | 285.0 | 0.8438 | 0.1023 |
| -0.3 | 315.0 | 0.545 | 0.1197 |
| -0.1 | 15.0 | 0.4641 | 0.1016 |
| -0.1 | 45.0 | 0.9056 | 0.1748 |
| -0.1 | 75.0 | 1.0111 | 0.1229 |
| -0.1 | 105.0 | 0.7652 | 0.0866 |
| -0.1 | 135.0 | 0.7886 | 0.0919 |
| -0.1 | 165.0 | 0.8213 | 0.0778 |
| -0.1 | 195.0 | 0.9202 | 0.0878 |
| -0.1 | 225.0 | 0.8608 | 0.0982 |
| -0.1 | 255.0 | 0.8046 | 0.0885 |
| -0.1 | 285.0 | 0.9117 | 0.1207 |
| -0.1 | 315.0 | 0.604 | 0.1352 |
| 0.1 | 15.0 | 0.3857 | 0.2452 |
| 0.1 | 45.0 | 0.6789 | 0.1565 |
| 0.1 | 75.0 | 0.8846 | 0.1497 |
| 0.1 | 105.0 | 0.7164 | 0.1165 |
| 0.1 | 135.0 | 0.576 | 0.0938 |
| 0.1 | 165.0 | 0.6522 | 0.0904 |
| 0.1 | 195.0 | 0.6638 | 0.0845 |
| 0.1 | 225.0 | 0.5808 | 0.0939 |
| 0.1 | 255.0 | 0.7422 | 0.1197 |
| 0.1 | 285.0 | 0.9106 | 0.1878 |
| 0.1 | 315.0 | 0.7461 | 0.2158 |
| 0.3 | 15.0 | 0.408 | 0.0939 |
| 0.3 | 45.0 | 0.8196 | 0.1134 |
| 0.3 | 75.0 | 0.9944 | 0.1447 |
| 0.3 | 105.0 | 0.6674 | 0.0838 |
| 0.3 | 135.0 | 0.6983 | 0.0951 |
| 0.3 | 165.0 | 0.6258 | 0.0704 |
| 0.3 | 195.0 | 0.6698 | 0.0734 |
| 0.3 | 225.0 | 0.591 | 0.0821 |
| 0.3 | 255.0 | 0.5733 | 0.0793 |
| 0.3 | 285.0 | 1.0661 | 0.2031 |
| 0.3 | 315.0 | 1.0923 | 0.2015 |
| 0.3 | 345.0 | 0.6216 | 0.1342 |
| 0.5 | 15.0 | 0.341 | 0.0586 |
| 0.5 | 45.0 | 0.947 | 0.1574 |
| 0.5 | 75.0 | 1.3013 | 0.2103 |
| 0.5 | 105.0 | 1.0821 | 0.1882 |
| 0.5 | 135.0 | 0.6672 | 0.0993 |
| 0.5 | 165.0 | 0.7027 | 0.0803 |
| 0.5 | 195.0 | 0.5971 | 0.0704 |
| 0.5 | 225.0 | 0.6951 | 0.1038 |
| 0.5 | 255.0 | 0.9852 | 0.2135 |
| 0.5 | 285.0 | 1.2607 | 0.3102 |
| 0.5 | 315.0 | 1.0108 | 0.2099 |
| 0.5 | 345.0 | 0.4775 | 0.1079 |
| 0.7 | 15.0 | 0.4182 | 0.0423 |
| 0.7 | 45.0 | 0.9628 | 0.1089 |
| 0.7 | 75.0 | 1.3986 | 0.1468 |
| 0.7 | 105.0 | 1.4494 | 0.1656 |
| 0.7 | 135.0 | 0.8911 | 0.1031 |
| 0.7 | 165.0 | 0.532 | 0.0578 |
| 0.7 | 195.0 | 0.6247 | 0.0655 |
| 0.7 | 225.0 | 0.9991 | 0.1188 |
| 0.7 | 255.0 | 1.5783 | 0.2104 |
| 0.7 | 285.0 | 1.4891 | 0.1776 |
| 0.7 | 315.0 | 1.068 | 0.1249 |
| 0.7 | 345.0 | 0.4597 | 0.0454 |
| 0.9 | 15.0 | 1.2404 | 0.1045 |
| 0.9 | 45.0 | 1.1137 | 0.0926 |
| 0.9 | 75.0 | 0.9909 | 0.0878 |
| 0.9 | 105.0 | 1.1932 | 0.1149 |
| 0.9 | 135.0 | 1.0274 | 0.1156 |
| 0.9 | 165.0 | 0.9847 | 0.1096 |
| 0.9 | 195.0 | 0.9399 | 0.1069 |
| 0.9 | 225.0 | 1.0672 | 0.1147 |
| 0.9 | 255.0 | 0.9987 | 0.0979 |
| 0.9 | 285.0 | 1.0904 | 0.0991 |
| 0.9 | 315.0 | 1.2201 | 0.1063 |
| 0.9 | 345.0 | 1.1454 | 0.095 |
Experiment comment: