Measurement E141M14
| 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: | 1.735 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.4251 | 0.0693 |
| -0.9 | 45.0 | 0.5108 | 0.073 |
| -0.9 | 75.0 | 0.3611 | 0.0741 |
| -0.9 | 105.0 | 0.345 | 0.0613 |
| -0.9 | 135.0 | 0.359 | 0.078 |
| -0.9 | 165.0 | 0.257 | 0.0894 |
| -0.9 | 195.0 | 0.3583 | 0.1258 |
| -0.9 | 225.0 | 0.3888 | 0.0814 |
| -0.9 | 255.0 | 0.3554 | 0.0693 |
| -0.9 | 285.0 | 0.4454 | 0.076 |
| -0.9 | 315.0 | 0.3537 | 0.0522 |
| -0.9 | 345.0 | 0.3911 | 0.0634 |
| -0.7 | 15.0 | 0.2651 | 0.0428 |
| -0.7 | 45.0 | 0.3352 | 0.0438 |
| -0.7 | 75.0 | 0.3622 | 0.0518 |
| -0.7 | 105.0 | 0.2313 | 0.0271 |
| -0.7 | 135.0 | 0.1639 | 0.0244 |
| -0.7 | 165.0 | 0.1555 | 0.0305 |
| -0.7 | 195.0 | 0.1464 | 0.0251 |
| -0.7 | 225.0 | 0.2004 | 0.0283 |
| -0.7 | 255.0 | 0.3068 | 0.0376 |
| -0.7 | 285.0 | 0.2797 | 0.0384 |
| -0.7 | 315.0 | 0.2861 | 0.0384 |
| -0.7 | 345.0 | 0.2607 | 0.0402 |
| -0.5 | 15.0 | 0.2984 | 0.059 |
| -0.5 | 45.0 | 0.4206 | 0.0563 |
| -0.5 | 75.0 | 0.4722 | 0.0536 |
| -0.5 | 105.0 | 0.4134 | 0.0383 |
| -0.5 | 135.0 | 0.4119 | 0.0451 |
| -0.5 | 165.0 | 0.2697 | 0.0327 |
| -0.5 | 195.0 | 0.2781 | 0.0303 |
| -0.5 | 225.0 | 0.3944 | 0.0477 |
| -0.5 | 255.0 | 0.3568 | 0.0348 |
| -0.5 | 285.0 | 0.4132 | 0.0477 |
| -0.5 | 315.0 | 0.3374 | 0.0501 |
| -0.5 | 345.0 | 0.281 | 0.0589 |
| -0.3 | 15.0 | 0.2503 | 0.0549 |
| -0.3 | 45.0 | 0.4938 | 0.0774 |
| -0.3 | 75.0 | 0.7875 | 0.0779 |
| -0.3 | 105.0 | 0.6682 | 0.0583 |
| -0.3 | 135.0 | 0.4975 | 0.0507 |
| -0.3 | 165.0 | 0.3685 | 0.0328 |
| -0.3 | 195.0 | 0.3912 | 0.0372 |
| -0.3 | 225.0 | 0.4561 | 0.0455 |
| -0.3 | 255.0 | 0.6349 | 0.0568 |
| -0.3 | 285.0 | 0.5608 | 0.0563 |
| -0.3 | 315.0 | 0.725 | 0.1099 |
| -0.1 | 15.0 | 0.4109 | 0.0612 |
| -0.1 | 45.0 | 0.6031 | 0.0817 |
| -0.1 | 75.0 | 1.0578 | 0.0955 |
| -0.1 | 105.0 | 1.041 | 0.0956 |
| -0.1 | 135.0 | 0.7787 | 0.0797 |
| -0.1 | 165.0 | 0.5578 | 0.0426 |
| -0.1 | 195.0 | 0.542 | 0.0407 |
| -0.1 | 225.0 | 0.6898 | 0.0679 |
| -0.1 | 255.0 | 0.7908 | 0.0672 |
| -0.1 | 285.0 | 0.9955 | 0.0937 |
| 0.1 | 15.0 | 0.2383 | 0.0509 |
| 0.1 | 45.0 | 0.7436 | 0.0807 |
| 0.1 | 75.0 | 1.2068 | 0.0991 |
| 0.1 | 105.0 | 0.9896 | 0.0813 |
| 0.1 | 135.0 | 0.849 | 0.0827 |
| 0.1 | 165.0 | 0.5884 | 0.047 |
| 0.1 | 195.0 | 0.5727 | 0.0435 |
| 0.1 | 225.0 | 0.7432 | 0.076 |
| 0.1 | 255.0 | 0.851 | 0.0702 |
| 0.1 | 285.0 | 1.0335 | 0.0967 |
| 0.1 | 315.0 | 0.9118 | 0.1334 |
| 0.1 | 345.0 | 0.2088 | 0.0589 |
| 0.3 | 15.0 | 0.3091 | 0.0482 |
| 0.3 | 45.0 | 0.6776 | 0.0511 |
| 0.3 | 105.0 | 0.9843 | 0.0731 |
| 0.3 | 135.0 | 0.823 | 0.0637 |
| 0.3 | 165.0 | 0.4846 | 0.0348 |
| 0.3 | 195.0 | 0.5677 | 0.0407 |
| 0.3 | 225.0 | 0.7378 | 0.0634 |
| 0.3 | 255.0 | 0.9705 | 0.0768 |
| 0.3 | 285.0 | 1.2652 | 0.104 |
| 0.3 | 315.0 | 0.5972 | 0.0511 |
| 0.3 | 345.0 | 0.4782 | 0.0975 |
| 0.5 | 15.0 | 0.314 | 0.0397 |
| 0.5 | 45.0 | 0.6824 | 0.0514 |
| 0.5 | 75.0 | 1.4793 | 0.1145 |
| 0.5 | 105.0 | 1.5331 | 0.1418 |
| 0.5 | 135.0 | 0.9044 | 0.0787 |
| 0.5 | 165.0 | 0.6323 | 0.0486 |
| 0.5 | 195.0 | 0.6024 | 0.0471 |
| 0.5 | 225.0 | 0.7871 | 0.0675 |
| 0.5 | 255.0 | 1.279 | 0.1468 |
| 0.5 | 285.0 | 1.2216 | 0.1191 |
| 0.5 | 315.0 | 0.7282 | 0.0635 |
| 0.5 | 345.0 | 0.2773 | 0.0396 |
| 0.7 | 15.0 | 0.3688 | 0.0319 |
| 0.7 | 45.0 | 0.6041 | 0.0554 |
| 0.7 | 75.0 | 1.1073 | 0.087 |
| 0.7 | 105.0 | 1.489 | 0.1408 |
| 0.7 | 135.0 | 1.384 | 0.1303 |
| 0.7 | 165.0 | 0.9368 | 0.0821 |
| 0.7 | 195.0 | 0.9072 | 0.0774 |
| 0.7 | 225.0 | 1.1865 | 0.1074 |
| 0.7 | 255.0 | 1.3563 | 0.1505 |
| 0.7 | 285.0 | 1.1387 | 0.1107 |
| 0.7 | 345.0 | 0.3665 | 0.0313 |
| 0.9 | 15.0 | 0.7526 | 0.0479 |
| 0.9 | 45.0 | 0.7797 | 0.0532 |
| 0.9 | 75.0 | 0.9638 | 0.0644 |
| 0.9 | 105.0 | 1.0104 | 0.0715 |
| 0.9 | 135.0 | 1.1412 | 0.0847 |
| 0.9 | 165.0 | 1.3262 | 0.1071 |
| 0.9 | 195.0 | 1.1157 | 0.0881 |
| 0.9 | 225.0 | 1.2202 | 0.09 |
| 0.9 | 255.0 | 1.0976 | 0.0771 |
| 0.9 | 285.0 | 0.9911 | 0.0665 |
| 0.9 | 315.0 | 0.8276 | 0.0553 |
| 0.9 | 345.0 | 0.7549 | 0.05 |
Experiment comment: