Measurement E141M16
| 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: | 1.8 GeV2 | |
| W: | 1.755 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.3372 | 0.1207 |
| -0.9 | 45.0 | 0.397 | 0.1557 |
| -0.9 | 105.0 | 0.276 | 0.2941 |
| -0.9 | 285.0 | 0.3472 | 0.1876 |
| -0.9 | 315.0 | 0.2436 | 0.0633 |
| -0.9 | 345.0 | 0.2959 | 0.2453 |
| -0.7 | 15.0 | 0.1777 | 0.0488 |
| -0.7 | 45.0 | 0.2281 | 0.0581 |
| -0.7 | 75.0 | 0.2467 | 0.071 |
| -0.7 | 105.0 | 0.1353 | 0.03 |
| -0.7 | 135.0 | 0.1204 | 0.0319 |
| -0.7 | 165.0 | 0.1168 | 0.032 |
| -0.7 | 195.0 | 0.1101 | 0.0293 |
| -0.7 | 225.0 | 0.1312 | 0.027 |
| -0.7 | 255.0 | 0.189 | 0.0511 |
| -0.7 | 285.0 | 0.1595 | 0.0363 |
| -0.7 | 315.0 | 0.1698 | 0.041 |
| -0.7 | 345.0 | 0.1614 | 0.0631 |
| -0.5 | 15.0 | 0.2343 | 0.0606 |
| -0.5 | 45.0 | 0.3216 | 0.0638 |
| -0.5 | 75.0 | 0.3478 | 0.0709 |
| -0.5 | 105.0 | 0.276 | 0.0384 |
| -0.5 | 135.0 | 0.3034 | 0.0549 |
| -0.5 | 165.0 | 0.1973 | 0.0337 |
| -0.5 | 195.0 | 0.1994 | 0.0342 |
| -0.5 | 225.0 | 0.2854 | 0.0458 |
| -0.5 | 255.0 | 0.2322 | 0.0393 |
| -0.5 | 285.0 | 0.288 | 0.0481 |
| -0.5 | 315.0 | 0.262 | 0.0597 |
| -0.5 | 345.0 | 0.2219 | 0.0635 |
| -0.3 | 15.0 | 0.2053 | 0.107 |
| -0.3 | 45.0 | 0.3679 | 0.0736 |
| -0.3 | 75.0 | 0.6081 | 0.0815 |
| -0.3 | 105.0 | 0.5156 | 0.0609 |
| -0.3 | 135.0 | 0.385 | 0.0556 |
| -0.3 | 165.0 | 0.2719 | 0.0334 |
| -0.3 | 195.0 | 0.2925 | 0.0359 |
| -0.3 | 225.0 | 0.351 | 0.0422 |
| -0.3 | 255.0 | 0.4744 | 0.0561 |
| -0.3 | 285.0 | 0.437 | 0.0627 |
| -0.3 | 315.0 | 0.5905 | 0.1536 |
| -0.1 | 15.0 | 0.358 | 0.0758 |
| -0.1 | 45.0 | 0.4636 | 0.0937 |
| -0.1 | 75.0 | 0.8586 | 0.101 |
| -0.1 | 105.0 | 0.8596 | 0.0947 |
| -0.1 | 135.0 | 0.605 | 0.0752 |
| -0.1 | 165.0 | 0.4127 | 0.0422 |
| -0.1 | 195.0 | 0.4154 | 0.0413 |
| -0.1 | 225.0 | 0.5463 | 0.0676 |
| -0.1 | 255.0 | 0.6134 | 0.0661 |
| -0.1 | 285.0 | 0.8389 | 0.1065 |
| 0.1 | 15.0 | 0.193 | 0.0501 |
| 0.1 | 45.0 | 0.6219 | 0.0918 |
| 0.1 | 75.0 | 0.996 | 0.1047 |
| 0.1 | 105.0 | 0.7799 | 0.0809 |
| 0.1 | 135.0 | 0.6789 | 0.0822 |
| 0.1 | 165.0 | 0.4676 | 0.0482 |
| 0.1 | 195.0 | 0.449 | 0.043 |
| 0.1 | 225.0 | 0.5779 | 0.0686 |
| 0.1 | 255.0 | 0.6711 | 0.0722 |
| 0.1 | 285.0 | 0.8208 | 0.0939 |
| 0.1 | 315.0 | 0.7424 | 0.1421 |
| 0.1 | 345.0 | 0.1366 | 0.048 |
| 0.3 | 15.0 | 0.2555 | 0.0563 |
| 0.3 | 45.0 | 0.536 | 0.0525 |
| 0.3 | 105.0 | 0.7629 | 0.0676 |
| 0.3 | 135.0 | 0.6441 | 0.0584 |
| 0.3 | 165.0 | 0.3824 | 0.0288 |
| 0.3 | 195.0 | 0.4591 | 0.0357 |
| 0.3 | 225.0 | 0.5687 | 0.0603 |
| 0.3 | 255.0 | 0.7632 | 0.0786 |
| 0.3 | 285.0 | 0.9787 | 0.1056 |
| 0.3 | 315.0 | 0.4402 | 0.0479 |
| 0.3 | 345.0 | 0.4045 | 0.1118 |
| 0.5 | 15.0 | 0.2515 | 0.039 |
| 0.5 | 45.0 | 0.556 | 0.051 |
| 0.5 | 75.0 | 1.1994 | 0.1031 |
| 0.5 | 105.0 | 1.2491 | 0.1461 |
| 0.5 | 135.0 | 0.7521 | 0.0693 |
| 0.5 | 165.0 | 0.5088 | 0.0416 |
| 0.5 | 195.0 | 0.4901 | 0.0409 |
| 0.5 | 225.0 | 0.6387 | 0.0607 |
| 0.5 | 255.0 | 1.0104 | 0.1479 |
| 0.5 | 285.0 | 0.994 | 0.1107 |
| 0.5 | 315.0 | 0.6025 | 0.0619 |
| 0.5 | 345.0 | 0.1972 | 0.0412 |
| 0.7 | 15.0 | 0.2829 | 0.0292 |
| 0.7 | 45.0 | 0.4597 | 0.0476 |
| 0.7 | 75.0 | 0.792 | 0.0684 |
| 0.7 | 105.0 | 1.1794 | 0.1219 |
| 0.7 | 135.0 | 1.1731 | 0.1257 |
| 0.7 | 165.0 | 0.8193 | 0.0761 |
| 0.7 | 195.0 | 0.778 | 0.0707 |
| 0.7 | 225.0 | 0.985 | 0.1002 |
| 0.7 | 255.0 | 1.0846 | 0.1311 |
| 0.7 | 285.0 | 0.8593 | 0.0935 |
| 0.7 | 345.0 | 0.2712 | 0.0289 |
| 0.9 | 15.0 | 0.5971 | 0.0414 |
| 0.9 | 45.0 | 0.6056 | 0.0429 |
| 0.9 | 75.0 | 0.756 | 0.0534 |
| 0.9 | 105.0 | 0.7868 | 0.057 |
| 0.9 | 135.0 | 0.9317 | 0.0707 |
| 0.9 | 165.0 | 1.1279 | 0.0913 |
| 0.9 | 195.0 | 0.9289 | 0.0742 |
| 0.9 | 225.0 | 1.0142 | 0.0767 |
| 0.9 | 255.0 | 0.8518 | 0.0609 |
| 0.9 | 285.0 | 0.7663 | 0.0547 |
| 0.9 | 315.0 | 0.6383 | 0.0466 |
| 0.9 | 345.0 | 0.5944 | 0.0423 |
Experiment comment: