Measurement E141M109
| 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: | 4.0 GeV2 | |
| W: | 1.765 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 105.0 | 0.4929 | 0.2917 |
| -0.9 | 165.0 | 0.0299 | 0.0461 |
| -0.9 | 255.0 | 0.1068 | 0.1381 |
| -0.9 | 285.0 | 0.5571 | 0.4947 |
| -0.9 | 315.0 | 0.5975 | 0.5264 |
| -0.7 | 15.0 | 0.5505 | 0.3426 |
| -0.7 | 45.0 | 0.7083 | 0.4502 |
| -0.7 | 75.0 | 0.7584 | 0.47 |
| -0.7 | 105.0 | 0.4474 | 0.2333 |
| -0.7 | 135.0 | 0.4396 | 0.176 |
| -0.7 | 165.0 | 0.482 | 0.1958 |
| -0.7 | 195.0 | 0.2639 | 0.1424 |
| -0.7 | 225.0 | 0.0762 | 0.0756 |
| -0.7 | 255.0 | 0.4014 | 0.2004 |
| -0.7 | 285.0 | 0.4841 | 0.334 |
| -0.7 | 345.0 | 1.2144 | 0.7571 |
| -0.5 | 15.0 | 1.3007 | 0.9175 |
| -0.5 | 45.0 | 1.1447 | 0.5327 |
| -0.5 | 75.0 | 0.2059 | 0.1418 |
| -0.5 | 105.0 | 0.0723 | 0.023 |
| -0.5 | 135.0 | 0.0622 | 0.0241 |
| -0.5 | 165.0 | 0.0508 | 0.0157 |
| -0.5 | 195.0 | 0.0584 | 0.017 |
| -0.5 | 225.0 | 0.2636 | 0.1387 |
| -0.5 | 285.0 | 0.2447 | 0.1712 |
| -0.5 | 315.0 | 1.569 | 0.9761 |
| -0.3 | 15.0 | 0.3106 | 0.2067 |
| -0.3 | 45.0 | 0.075 | 0.0287 |
| -0.3 | 75.0 | 0.0869 | 0.0289 |
| -0.3 | 105.0 | 0.0868 | 0.0212 |
| -0.3 | 135.0 | 0.1282 | 0.0274 |
| -0.3 | 165.0 | 0.0751 | 0.0167 |
| -0.3 | 195.0 | 0.0694 | 0.0163 |
| -0.3 | 225.0 | 0.0656 | 0.0163 |
| -0.3 | 255.0 | 0.0712 | 0.0208 |
| -0.1 | 15.0 | 0.2476 | 0.1445 |
| -0.1 | 45.0 | 0.632 | 0.3298 |
| -0.1 | 75.0 | 0.1573 | 0.0362 |
| -0.1 | 105.0 | 0.1067 | 0.0223 |
| -0.1 | 135.0 | 0.0704 | 0.0194 |
| -0.1 | 165.0 | 0.0808 | 0.0158 |
| -0.1 | 195.0 | 0.1276 | 0.0408 |
| -0.1 | 225.0 | 0.0474 | 0.0142 |
| -0.1 | 255.0 | 0.0798 | 0.0265 |
| -0.1 | 285.0 | 0.0756 | 0.0258 |
| -0.1 | 315.0 | 1.0076 | 0.5288 |
| -0.1 | 345.0 | 0.6301 | 0.5889 |
| 0.1 | 45.0 | 0.0863 | 0.0243 |
| 0.1 | 75.0 | 0.1314 | 0.0239 |
| 0.1 | 105.0 | 0.1601 | 0.0403 |
| 0.1 | 135.0 | 0.1187 | 0.032 |
| 0.1 | 165.0 | 0.0708 | 0.0139 |
| 0.1 | 195.0 | 0.064 | 0.012 |
| 0.1 | 225.0 | 0.1389 | 0.0422 |
| 0.1 | 255.0 | 0.1703 | 0.0508 |
| 0.3 | 45.0 | 0.0865 | 0.0213 |
| 0.3 | 75.0 | 0.1613 | 0.032 |
| 0.3 | 105.0 | 0.0808 | 0.0171 |
| 0.3 | 135.0 | 0.1327 | 0.0348 |
| 0.3 | 165.0 | 0.1007 | 0.016 |
| 0.3 | 195.0 | 0.0765 | 0.0133 |
| 0.3 | 225.0 | 0.1527 | 0.0361 |
| 0.3 | 255.0 | 0.1171 | 0.0276 |
| 0.3 | 285.0 | 0.1224 | 0.0297 |
| 0.3 | 315.0 | 0.0987 | 0.0227 |
| 0.5 | 15.0 | 0.816 | 0.5871 |
| 0.5 | 45.0 | 0.1935 | 0.0536 |
| 0.5 | 75.0 | 0.2284 | 0.0557 |
| 0.5 | 105.0 | 0.156 | 0.036 |
| 0.5 | 135.0 | 0.112 | 0.0277 |
| 0.5 | 165.0 | 0.1426 | 0.0274 |
| 0.5 | 195.0 | 0.1409 | 0.0296 |
| 0.5 | 225.0 | 0.1546 | 0.0349 |
| 0.5 | 255.0 | 0.1622 | 0.0402 |
| 0.5 | 285.0 | 0.1312 | 0.0345 |
| 0.5 | 315.0 | 0.2231 | 0.0682 |
| 0.7 | 15.0 | 0.1306 | 0.0383 |
| 0.7 | 45.0 | 0.1532 | 0.044 |
| 0.7 | 75.0 | 0.2837 | 0.0573 |
| 0.7 | 105.0 | 0.2603 | 0.0626 |
| 0.7 | 135.0 | 0.2356 | 0.0473 |
| 0.7 | 165.0 | 0.1551 | 0.0261 |
| 0.7 | 195.0 | 0.1053 | 0.0221 |
| 0.7 | 225.0 | 0.1208 | 0.031 |
| 0.7 | 255.0 | 0.1902 | 0.0572 |
| 0.7 | 285.0 | 0.214 | 0.0831 |
| 0.7 | 315.0 | 0.2684 | 0.0614 |
| 0.7 | 345.0 | 0.0627 | 0.0225 |
| 0.9 | 15.0 | 0.2959 | 0.0528 |
| 0.9 | 45.0 | 0.1826 | 0.0342 |
| 0.9 | 75.0 | 0.3767 | 0.0595 |
| 0.9 | 105.0 | 0.2914 | 0.0745 |
| 0.9 | 135.0 | 0.2868 | 0.0444 |
| 0.9 | 165.0 | 0.2807 | 0.0443 |
| 0.9 | 195.0 | 0.3261 | 0.0835 |
| 0.9 | 225.0 | 0.2998 | 0.05 |
| 0.9 | 255.0 | 0.3765 | 0.0626 |
| 0.9 | 285.0 | 0.2883 | 0.0541 |
| 0.9 | 315.0 | 0.1555 | 0.0285 |
| 0.9 | 345.0 | 0.2946 | 0.0532 |
Experiment comment: