Measurement E141M103
| 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: | 1.705 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 45.0 | 0.0742 | 0.0219 |
| -0.9 | 75.0 | 0.0951 | 0.0392 |
| -0.9 | 105.0 | 0.0702 | 0.018 |
| -0.9 | 135.0 | 0.0229 | 0.0071 |
| -0.9 | 255.0 | 0.0769 | 0.0242 |
| -0.9 | 285.0 | 0.0637 | 0.0212 |
| -0.9 | 345.0 | 0.0119 | 0.0034 |
| -0.7 | 45.0 | 0.0618 | 0.015 |
| -0.7 | 75.0 | 0.0537 | 0.012 |
| -0.7 | 105.0 | 0.0673 | 0.0171 |
| -0.7 | 135.0 | 0.0845 | 0.0186 |
| -0.7 | 165.0 | 0.0709 | 0.0164 |
| -0.7 | 195.0 | 0.0524 | 0.0125 |
| -0.7 | 255.0 | 0.0821 | 0.0193 |
| -0.7 | 285.0 | 0.0797 | 0.0202 |
| -0.7 | 315.0 | 0.0225 | 0.0058 |
| -0.5 | 15.0 | 0.1256 | 0.0504 |
| -0.5 | 45.0 | 0.1548 | 0.0476 |
| -0.5 | 75.0 | 0.1714 | 0.04 |
| -0.5 | 105.0 | 0.2168 | 0.0418 |
| -0.5 | 195.0 | 0.1229 | 0.0233 |
| -0.5 | 225.0 | 0.1463 | 0.0275 |
| -0.5 | 255.0 | 0.1752 | 0.0354 |
| -0.5 | 285.0 | 0.2449 | 0.067 |
| -0.5 | 315.0 | 0.1109 | 0.0357 |
| -0.3 | 45.0 | 0.0436 | 0.0088 |
| -0.3 | 75.0 | 0.2816 | 0.0577 |
| -0.3 | 105.0 | 0.2187 | 0.0348 |
| -0.3 | 135.0 | 0.1727 | 0.0281 |
| -0.3 | 165.0 | 0.1734 | 0.0304 |
| -0.3 | 195.0 | 0.1518 | 0.0238 |
| -0.3 | 225.0 | 0.1771 | 0.0271 |
| -0.3 | 255.0 | 0.156 | 0.0284 |
| -0.3 | 285.0 | 0.1558 | 0.0484 |
| -0.1 | 15.0 | 0.4639 | 0.311 |
| -0.1 | 45.0 | 0.2083 | 0.0659 |
| -0.1 | 75.0 | 0.2824 | 0.0575 |
| -0.1 | 105.0 | 0.3071 | 0.0585 |
| -0.1 | 135.0 | 0.1542 | 0.0266 |
| -0.1 | 165.0 | 0.151 | 0.028 |
| -0.1 | 195.0 | 0.2106 | 0.0339 |
| -0.1 | 225.0 | 0.2759 | 0.0555 |
| -0.1 | 255.0 | 0.2044 | 0.0473 |
| -0.1 | 285.0 | 0.201 | 0.0629 |
| -0.1 | 345.0 | 1.2662 | 1.0134 |
| 0.1 | 45.0 | 0.1232 | 0.0338 |
| 0.1 | 75.0 | 0.2177 | 0.0436 |
| 0.1 | 105.0 | 0.2193 | 0.0525 |
| 0.1 | 135.0 | 0.1404 | 0.0282 |
| 0.1 | 165.0 | 0.0572 | 0.0103 |
| 0.1 | 195.0 | 0.0535 | 0.0096 |
| 0.1 | 225.0 | 0.1102 | 0.0238 |
| 0.1 | 255.0 | 0.2287 | 0.0598 |
| 0.1 | 285.0 | 0.1524 | 0.0346 |
| 0.1 | 315.0 | 0.0584 | 0.0157 |
| 0.3 | 45.0 | 0.1509 | 0.026 |
| 0.3 | 75.0 | 0.2436 | 0.0391 |
| 0.3 | 105.0 | 0.2888 | 0.0473 |
| 0.3 | 135.0 | 0.1844 | 0.0417 |
| 0.3 | 165.0 | 0.1264 | 0.0195 |
| 0.3 | 195.0 | 0.0714 | 0.011 |
| 0.3 | 225.0 | 0.2366 | 0.0538 |
| 0.3 | 255.0 | 0.2401 | 0.0474 |
| 0.3 | 285.0 | 0.1979 | 0.0439 |
| 0.3 | 315.0 | 0.225 | 0.0512 |
| 0.5 | 15.0 | 0.1268 | 0.0521 |
| 0.5 | 45.0 | 0.225 | 0.0446 |
| 0.5 | 75.0 | 0.3109 | 0.0557 |
| 0.5 | 105.0 | 0.2422 | 0.0451 |
| 0.5 | 135.0 | 0.2512 | 0.062 |
| 0.5 | 165.0 | 0.1941 | 0.0408 |
| 0.5 | 195.0 | 0.2058 | 0.036 |
| 0.5 | 225.0 | 0.2649 | 0.0618 |
| 0.5 | 255.0 | 0.338 | 0.0686 |
| 0.5 | 285.0 | 0.2319 | 0.0546 |
| 0.5 | 315.0 | 0.2709 | 0.0709 |
| 0.7 | 15.0 | 0.2534 | 0.0582 |
| 0.7 | 45.0 | 0.2227 | 0.0511 |
| 0.7 | 75.0 | 0.4152 | 0.0836 |
| 0.7 | 105.0 | 0.3651 | 0.074 |
| 0.7 | 135.0 | 0.4356 | 0.1046 |
| 0.7 | 165.0 | 0.2068 | 0.0364 |
| 0.7 | 195.0 | 0.2412 | 0.0474 |
| 0.7 | 225.0 | 0.279 | 0.0587 |
| 0.7 | 255.0 | 0.3947 | 0.0807 |
| 0.7 | 285.0 | 0.4901 | 0.1037 |
| 0.7 | 315.0 | 0.271 | 0.0603 |
| 0.7 | 345.0 | 0.1988 | 0.0477 |
| 0.9 | 15.0 | 0.3632 | 0.09 |
| 0.9 | 45.0 | 0.3653 | 0.0641 |
| 0.9 | 75.0 | 0.4068 | 0.124 |
| 0.9 | 105.0 | 0.3969 | 0.1113 |
| 0.9 | 135.0 | 0.3186 | 0.0858 |
| 0.9 | 165.0 | 0.298 | 0.0409 |
| 0.9 | 195.0 | 0.3361 | 0.083 |
| 0.9 | 225.0 | 0.2511 | 0.0409 |
| 0.9 | 255.0 | 0.4896 | 0.0939 |
| 0.9 | 285.0 | 0.4147 | 0.129 |
| 0.9 | 315.0 | 0.2284 | 0.0342 |
| 0.9 | 345.0 | 0.4096 | 0.0601 |
Experiment comment: