Measurement E141M31
| 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: | 1.675 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.9349 | 0.1388 |
| -0.9 | 45.0 | 0.8903 | 0.1313 |
| -0.9 | 75.0 | 0.7881 | 0.1729 |
| -0.9 | 105.0 | 0.6046 | 0.0971 |
| -0.9 | 135.0 | 0.6497 | 0.1102 |
| -0.9 | 165.0 | 0.5172 | 0.1617 |
| -0.9 | 195.0 | 0.5902 | 0.2857 |
| -0.9 | 225.0 | 0.7032 | 0.1185 |
| -0.9 | 255.0 | 0.5546 | 0.093 |
| -0.9 | 285.0 | 0.7061 | 0.1179 |
| -0.9 | 315.0 | 0.9352 | 0.1309 |
| -0.9 | 345.0 | 0.7777 | 0.1116 |
| -0.7 | 15.0 | 0.5739 | 0.1061 |
| -0.7 | 45.0 | 0.6759 | 0.0986 |
| -0.7 | 75.0 | 0.7601 | 0.1346 |
| -0.7 | 105.0 | 0.6627 | 0.0856 |
| -0.7 | 135.0 | 0.4024 | 0.0568 |
| -0.7 | 165.0 | 0.3952 | 0.0607 |
| -0.7 | 195.0 | 0.4192 | 0.0594 |
| -0.7 | 225.0 | 0.4758 | 0.0672 |
| -0.7 | 255.0 | 0.6233 | 0.0876 |
| -0.7 | 285.0 | 0.6724 | 0.1035 |
| -0.7 | 315.0 | 0.7101 | 0.0932 |
| -0.7 | 345.0 | 0.5352 | 0.0877 |
| -0.5 | 15.0 | 0.4757 | 0.1059 |
| -0.5 | 45.0 | 0.7078 | 0.1084 |
| -0.5 | 75.0 | 0.8021 | 0.1182 |
| -0.5 | 105.0 | 0.8971 | 0.1027 |
| -0.5 | 135.0 | 0.6609 | 0.0862 |
| -0.5 | 165.0 | 0.5022 | 0.0569 |
| -0.5 | 195.0 | 0.5353 | 0.0618 |
| -0.5 | 225.0 | 0.609 | 0.0727 |
| -0.5 | 255.0 | 0.9373 | 0.104 |
| -0.5 | 285.0 | 0.8554 | 0.1266 |
| -0.5 | 315.0 | 0.7729 | 0.1274 |
| -0.5 | 345.0 | 0.2907 | 0.0749 |
| -0.3 | 15.0 | 0.4688 | 0.1391 |
| -0.3 | 45.0 | 0.7065 | 0.1132 |
| -0.3 | 75.0 | 0.8233 | 0.1037 |
| -0.3 | 105.0 | 0.9893 | 0.1099 |
| -0.3 | 135.0 | 0.9317 | 0.0932 |
| -0.3 | 165.0 | 0.7614 | 0.0713 |
| -0.3 | 195.0 | 0.715 | 0.0705 |
| -0.3 | 225.0 | 0.7464 | 0.0865 |
| -0.3 | 255.0 | 0.9123 | 0.0987 |
| -0.3 | 285.0 | 0.6954 | 0.0867 |
| -0.1 | 15.0 | 0.43 | 0.0995 |
| -0.1 | 45.0 | 0.6441 | 0.1216 |
| -0.1 | 75.0 | 0.9205 | 0.0993 |
| -0.1 | 105.0 | 0.7335 | 0.0798 |
| -0.1 | 135.0 | 0.6865 | 0.0705 |
| -0.1 | 165.0 | 0.709 | 0.0608 |
| -0.1 | 195.0 | 0.6757 | 0.0586 |
| -0.1 | 225.0 | 0.6733 | 0.0743 |
| -0.1 | 255.0 | 0.873 | 0.0817 |
| -0.1 | 285.0 | 0.8553 | 0.1051 |
| 0.1 | 15.0 | 0.5942 | 0.1713 |
| 0.1 | 45.0 | 0.7903 | 0.1178 |
| 0.1 | 75.0 | 0.9767 | 0.1032 |
| 0.1 | 105.0 | 0.888 | 0.0881 |
| 0.1 | 135.0 | 0.9437 | 0.1042 |
| 0.1 | 165.0 | 0.6212 | 0.0559 |
| 0.1 | 195.0 | 0.6362 | 0.0562 |
| 0.1 | 225.0 | 0.8478 | 0.0868 |
| 0.1 | 255.0 | 0.9807 | 0.0984 |
| 0.1 | 285.0 | 1.0962 | 0.1407 |
| 0.1 | 315.0 | 0.7199 | 0.1136 |
| 0.3 | 15.0 | 0.4555 | 0.0713 |
| 0.3 | 45.0 | 1.0482 | 0.0913 |
| 0.3 | 75.0 | 1.2756 | 0.1135 |
| 0.3 | 105.0 | 1.1209 | 0.1024 |
| 0.3 | 135.0 | 0.7774 | 0.0763 |
| 0.3 | 165.0 | 0.7123 | 0.0522 |
| 0.3 | 195.0 | 0.7329 | 0.0537 |
| 0.3 | 225.0 | 0.8764 | 0.0853 |
| 0.3 | 255.0 | 1.0548 | 0.1041 |
| 0.3 | 285.0 | 1.2425 | 0.1265 |
| 0.3 | 315.0 | 1.0562 | 0.1055 |
| 0.3 | 345.0 | 0.7822 | 0.1504 |
| 0.5 | 15.0 | 0.3244 | 0.0459 |
| 0.5 | 45.0 | 0.7338 | 0.0757 |
| 0.5 | 75.0 | 1.1301 | 0.1019 |
| 0.5 | 105.0 | 1.2272 | 0.1353 |
| 0.5 | 135.0 | 0.9768 | 0.0976 |
| 0.5 | 165.0 | 0.5632 | 0.0479 |
| 0.5 | 195.0 | 0.4843 | 0.0436 |
| 0.5 | 225.0 | 0.7718 | 0.0801 |
| 0.5 | 255.0 | 1.319 | 0.1611 |
| 0.5 | 285.0 | 1.2827 | 0.1456 |
| 0.5 | 315.0 | 0.8341 | 0.1025 |
| 0.5 | 345.0 | 0.3566 | 0.0614 |
| 0.7 | 15.0 | 0.4647 | 0.0426 |
| 0.7 | 45.0 | 1.0834 | 0.1124 |
| 0.7 | 75.0 | 1.3366 | 0.121 |
| 0.7 | 105.0 | 1.6722 | 0.1747 |
| 0.7 | 165.0 | 0.8311 | 0.076 |
| 0.7 | 195.0 | 0.8078 | 0.0721 |
| 0.7 | 225.0 | 1.1404 | 0.1212 |
| 0.7 | 255.0 | 1.5489 | 0.1819 |
| 0.7 | 285.0 | 1.6948 | 0.1727 |
| 0.7 | 315.0 | 1.0509 | 0.114 |
| 0.7 | 345.0 | 0.4677 | 0.0411 |
| 0.9 | 15.0 | 1.168 | 0.0923 |
| 0.9 | 45.0 | 1.0704 | 0.0837 |
| 0.9 | 75.0 | 1.1169 | 0.0919 |
| 0.9 | 105.0 | 1.1655 | 0.1011 |
| 0.9 | 135.0 | 1.1496 | 0.1084 |
| 0.9 | 165.0 | 1.2171 | 0.1329 |
| 0.9 | 195.0 | 1.0538 | 0.1069 |
| 0.9 | 225.0 | 1.2209 | 0.116 |
| 0.9 | 255.0 | 1.2436 | 0.1063 |
| 0.9 | 285.0 | 1.0966 | 0.0923 |
| 0.9 | 315.0 | 1.176 | 0.0932 |
| 0.9 | 345.0 | 1.3343 | 0.1029 |
Experiment comment: