Measurement E141M35
| 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: | 1.715 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.461 | 0.0816 |
| -0.9 | 45.0 | 0.4998 | 0.073 |
| -0.9 | 75.0 | 0.4596 | 0.0821 |
| -0.9 | 105.0 | 0.3749 | 0.0798 |
| -0.9 | 135.0 | 0.277 | 0.0706 |
| -0.9 | 165.0 | 0.2269 | 0.0655 |
| -0.9 | 195.0 | 0.2573 | 0.0628 |
| -0.9 | 225.0 | 0.2655 | 0.0516 |
| -0.9 | 255.0 | 0.3722 | 0.0659 |
| -0.9 | 285.0 | 0.4175 | 0.075 |
| -0.9 | 315.0 | 0.4669 | 0.0686 |
| -0.9 | 345.0 | 0.3973 | 0.0714 |
| -0.7 | 15.0 | 0.4276 | 0.0754 |
| -0.7 | 45.0 | 0.4172 | 0.0546 |
| -0.7 | 75.0 | 0.4024 | 0.0584 |
| -0.7 | 105.0 | 0.3484 | 0.0437 |
| -0.7 | 135.0 | 0.1744 | 0.0291 |
| -0.7 | 165.0 | 0.1819 | 0.0317 |
| -0.7 | 195.0 | 0.179 | 0.0267 |
| -0.7 | 225.0 | 0.1957 | 0.0301 |
| -0.7 | 255.0 | 0.2383 | 0.029 |
| -0.7 | 285.0 | 0.3265 | 0.0503 |
| -0.7 | 315.0 | 0.3764 | 0.0488 |
| -0.7 | 345.0 | 0.3615 | 0.0636 |
| -0.5 | 15.0 | 0.3934 | 0.0898 |
| -0.5 | 45.0 | 0.42 | 0.0681 |
| -0.5 | 75.0 | 0.4572 | 0.0637 |
| -0.5 | 105.0 | 0.5039 | 0.0571 |
| -0.5 | 135.0 | 0.4429 | 0.057 |
| -0.5 | 165.0 | 0.3119 | 0.0395 |
| -0.5 | 195.0 | 0.3264 | 0.0431 |
| -0.5 | 225.0 | 0.3637 | 0.049 |
| -0.5 | 255.0 | 0.5445 | 0.0575 |
| -0.5 | 285.0 | 0.5242 | 0.0721 |
| -0.5 | 315.0 | 0.4483 | 0.0724 |
| -0.5 | 345.0 | 0.2719 | 0.0729 |
| -0.3 | 15.0 | 0.3288 | 0.108 |
| -0.3 | 45.0 | 0.5127 | 0.1036 |
| -0.3 | 75.0 | 0.6495 | 0.0769 |
| -0.3 | 105.0 | 0.6109 | 0.0648 |
| -0.3 | 135.0 | 0.5686 | 0.0653 |
| -0.3 | 165.0 | 0.4415 | 0.0481 |
| -0.3 | 195.0 | 0.4684 | 0.0474 |
| -0.3 | 225.0 | 0.4756 | 0.051 |
| -0.3 | 255.0 | 0.5878 | 0.056 |
| -0.3 | 285.0 | 0.5655 | 0.0684 |
| -0.1 | 15.0 | 0.3623 | 0.084 |
| -0.1 | 45.0 | 0.6057 | 0.1175 |
| -0.1 | 75.0 | 0.8444 | 0.0881 |
| -0.1 | 105.0 | 0.7797 | 0.075 |
| -0.1 | 135.0 | 0.7015 | 0.0807 |
| -0.1 | 165.0 | 0.6751 | 0.0597 |
| -0.1 | 195.0 | 0.6199 | 0.0497 |
| -0.1 | 225.0 | 0.6467 | 0.0735 |
| -0.1 | 255.0 | 0.7015 | 0.067 |
| -0.1 | 285.0 | 0.7036 | 0.0856 |
| 0.1 | 15.0 | 0.3591 | 0.1115 |
| 0.1 | 45.0 | 0.6298 | 0.0793 |
| 0.1 | 75.0 | 0.9962 | 0.1017 |
| 0.1 | 105.0 | 0.8042 | 0.0822 |
| 0.1 | 135.0 | 0.5688 | 0.062 |
| 0.1 | 165.0 | 0.4823 | 0.044 |
| 0.1 | 195.0 | 0.4637 | 0.0416 |
| 0.1 | 225.0 | 0.676 | 0.072 |
| 0.1 | 255.0 | 0.9191 | 0.0932 |
| 0.1 | 285.0 | 0.9161 | 0.1066 |
| 0.1 | 315.0 | 0.7691 | 0.1158 |
| 0.3 | 15.0 | 0.2227 | 0.0357 |
| 0.3 | 45.0 | 0.771 | 0.0722 |
| 0.3 | 75.0 | 0.9437 | 0.0768 |
| 0.3 | 105.0 | 0.8947 | 0.0825 |
| 0.3 | 135.0 | 0.5649 | 0.0524 |
| 0.3 | 165.0 | 0.4231 | 0.0316 |
| 0.3 | 195.0 | 0.4414 | 0.0331 |
| 0.3 | 225.0 | 0.6931 | 0.0654 |
| 0.3 | 255.0 | 0.9022 | 0.0937 |
| 0.3 | 285.0 | 0.8966 | 0.0893 |
| 0.3 | 315.0 | 0.7844 | 0.084 |
| 0.3 | 345.0 | 0.6308 | 0.1167 |
| 0.5 | 15.0 | 0.392 | 0.0538 |
| 0.5 | 45.0 | 0.5977 | 0.0617 |
| 0.5 | 75.0 | 0.9996 | 0.0928 |
| 0.5 | 105.0 | 1.0885 | 0.1218 |
| 0.5 | 135.0 | 0.7331 | 0.0711 |
| 0.5 | 165.0 | 0.5072 | 0.0435 |
| 0.5 | 195.0 | 0.3522 | 0.0314 |
| 0.5 | 225.0 | 0.7295 | 0.0761 |
| 0.5 | 255.0 | 1.0383 | 0.1273 |
| 0.5 | 285.0 | 1.1205 | 0.124 |
| 0.5 | 315.0 | 0.646 | 0.0695 |
| 0.5 | 345.0 | 0.2779 | 0.0448 |
| 0.7 | 15.0 | 0.437 | 0.0415 |
| 0.7 | 45.0 | 0.7642 | 0.0803 |
| 0.7 | 75.0 | 0.9776 | 0.0844 |
| 0.7 | 105.0 | 1.2462 | 0.1237 |
| 0.7 | 165.0 | 0.6426 | 0.0621 |
| 0.7 | 195.0 | 0.6798 | 0.0657 |
| 0.7 | 225.0 | 0.791 | 0.0925 |
| 0.7 | 255.0 | 1.0011 | 0.1188 |
| 0.7 | 285.0 | 1.0811 | 0.1094 |
| 0.7 | 315.0 | 0.5267 | 0.0624 |
| 0.7 | 345.0 | 0.397 | 0.0363 |
| 0.9 | 15.0 | 0.8807 | 0.0674 |
| 0.9 | 45.0 | 0.867 | 0.0726 |
| 0.9 | 75.0 | 0.9318 | 0.0754 |
| 0.9 | 105.0 | 1.0441 | 0.091 |
| 0.9 | 135.0 | 0.9323 | 0.0916 |
| 0.9 | 165.0 | 0.8862 | 0.0904 |
| 0.9 | 195.0 | 0.9027 | 0.0949 |
| 0.9 | 225.0 | 0.9313 | 0.0861 |
| 0.9 | 255.0 | 0.977 | 0.0861 |
| 0.9 | 285.0 | 1.006 | 0.0863 |
| 0.9 | 315.0 | 0.7711 | 0.0632 |
| 0.9 | 345.0 | 0.8694 | 0.0664 |
Experiment comment: