Measurement E141M36
| 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: | 1.725 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.3411 | 0.059 |
| -0.9 | 45.0 | 0.3843 | 0.0648 |
| -0.9 | 75.0 | 0.3816 | 0.1235 |
| -0.9 | 105.0 | 0.3312 | 0.0634 |
| -0.9 | 135.0 | 0.2752 | 0.0628 |
| -0.9 | 165.0 | 0.2024 | 0.0614 |
| -0.9 | 195.0 | 0.206 | 0.076 |
| -0.9 | 225.0 | 0.2209 | 0.046 |
| -0.9 | 255.0 | 0.3008 | 0.0608 |
| -0.9 | 285.0 | 0.3534 | 0.065 |
| -0.9 | 315.0 | 0.3707 | 0.0609 |
| -0.9 | 345.0 | 0.3387 | 0.054 |
| -0.7 | 15.0 | 0.3218 | 0.0652 |
| -0.7 | 45.0 | 0.3062 | 0.0467 |
| -0.7 | 75.0 | 0.2923 | 0.0527 |
| -0.7 | 105.0 | 0.2763 | 0.0361 |
| -0.7 | 135.0 | 0.1494 | 0.0225 |
| -0.7 | 165.0 | 0.1668 | 0.0279 |
| -0.7 | 195.0 | 0.1482 | 0.0245 |
| -0.7 | 225.0 | 0.1621 | 0.024 |
| -0.7 | 255.0 | 0.1864 | 0.0269 |
| -0.7 | 285.0 | 0.2532 | 0.0376 |
| -0.7 | 315.0 | 0.2645 | 0.0347 |
| -0.7 | 345.0 | 0.2798 | 0.0486 |
| -0.5 | 15.0 | 0.3003 | 0.0715 |
| -0.5 | 45.0 | 0.325 | 0.0496 |
| -0.5 | 75.0 | 0.3327 | 0.0503 |
| -0.5 | 105.0 | 0.3768 | 0.0427 |
| -0.5 | 135.0 | 0.3392 | 0.0467 |
| -0.5 | 165.0 | 0.2361 | 0.0281 |
| -0.5 | 195.0 | 0.2587 | 0.0293 |
| -0.5 | 225.0 | 0.2832 | 0.0352 |
| -0.5 | 255.0 | 0.3878 | 0.044 |
| -0.5 | 285.0 | 0.3839 | 0.0567 |
| -0.5 | 315.0 | 0.3321 | 0.0537 |
| -0.5 | 345.0 | 0.2272 | 0.0655 |
| -0.3 | 15.0 | 0.2423 | 0.07 |
| -0.3 | 45.0 | 0.4092 | 0.0641 |
| -0.3 | 75.0 | 0.5428 | 0.0663 |
| -0.3 | 105.0 | 0.5096 | 0.0527 |
| -0.3 | 135.0 | 0.4582 | 0.0466 |
| -0.3 | 165.0 | 0.3461 | 0.0322 |
| -0.3 | 195.0 | 0.3518 | 0.0363 |
| -0.3 | 225.0 | 0.3863 | 0.047 |
| -0.3 | 255.0 | 0.4539 | 0.048 |
| -0.3 | 285.0 | 0.4728 | 0.0584 |
| -0.1 | 15.0 | 0.2647 | 0.0551 |
| -0.1 | 45.0 | 0.5297 | 0.1015 |
| -0.1 | 75.0 | 0.7707 | 0.0796 |
| -0.1 | 105.0 | 0.7433 | 0.0811 |
| -0.1 | 135.0 | 0.5736 | 0.0608 |
| -0.1 | 165.0 | 0.5304 | 0.047 |
| -0.1 | 195.0 | 0.5056 | 0.0453 |
| -0.1 | 225.0 | 0.5437 | 0.0617 |
| -0.1 | 255.0 | 0.7098 | 0.0655 |
| -0.1 | 285.0 | 0.6426 | 0.0807 |
| 0.1 | 15.0 | 0.2926 | 0.0851 |
| 0.1 | 45.0 | 0.589 | 0.0871 |
| 0.1 | 75.0 | 0.9655 | 0.0985 |
| 0.1 | 105.0 | 0.7049 | 0.0705 |
| 0.1 | 135.0 | 0.459 | 0.0515 |
| 0.1 | 165.0 | 0.4175 | 0.0377 |
| 0.1 | 195.0 | 0.418 | 0.0384 |
| 0.1 | 225.0 | 0.6089 | 0.0641 |
| 0.1 | 255.0 | 0.8426 | 0.0839 |
| 0.1 | 285.0 | 0.8462 | 0.0964 |
| 0.1 | 315.0 | 0.7812 | 0.1172 |
| 0.1 | 345.0 | 1.7706 | 1.1624 |
| 0.3 | 15.0 | 0.1644 | 0.0264 |
| 0.3 | 45.0 | 0.6746 | 0.0573 |
| 0.3 | 75.0 | 0.8738 | 0.079 |
| 0.3 | 105.0 | 0.8391 | 0.0839 |
| 0.3 | 135.0 | 0.4847 | 0.0491 |
| 0.3 | 165.0 | 0.3534 | 0.0259 |
| 0.3 | 195.0 | 0.3785 | 0.0279 |
| 0.3 | 225.0 | 0.6238 | 0.0649 |
| 0.3 | 255.0 | 0.7749 | 0.0772 |
| 0.3 | 285.0 | 0.8224 | 0.0871 |
| 0.3 | 315.0 | 0.623 | 0.0609 |
| 0.3 | 345.0 | 0.4878 | 0.0974 |
| 0.5 | 15.0 | 0.3206 | 0.0484 |
| 0.5 | 45.0 | 0.5305 | 0.0551 |
| 0.5 | 75.0 | 0.9043 | 0.0851 |
| 0.5 | 105.0 | 1.0388 | 0.118 |
| 0.5 | 135.0 | 0.62 | 0.0653 |
| 0.5 | 165.0 | 0.4088 | 0.0361 |
| 0.5 | 195.0 | 0.2987 | 0.0286 |
| 0.5 | 225.0 | 0.6122 | 0.0656 |
| 0.5 | 255.0 | 0.9439 | 0.1226 |
| 0.5 | 285.0 | 0.9913 | 0.1056 |
| 0.5 | 315.0 | 0.5748 | 0.0667 |
| 0.5 | 345.0 | 0.2762 | 0.0467 |
| 0.7 | 15.0 | 0.3662 | 0.0367 |
| 0.7 | 45.0 | 0.6029 | 0.0688 |
| 0.7 | 75.0 | 0.8144 | 0.0782 |
| 0.7 | 105.0 | 1.1159 | 0.1292 |
| 0.7 | 165.0 | 0.5835 | 0.0593 |
| 0.7 | 195.0 | 0.6463 | 0.0665 |
| 0.7 | 225.0 | 0.7615 | 0.0958 |
| 0.7 | 255.0 | 0.9206 | 0.1041 |
| 0.7 | 285.0 | 0.8483 | 0.0916 |
| 0.7 | 315.0 | 0.4735 | 0.0606 |
| 0.7 | 345.0 | 0.3491 | 0.0342 |
| 0.9 | 15.0 | 0.7408 | 0.0592 |
| 0.9 | 45.0 | 0.7085 | 0.0614 |
| 0.9 | 75.0 | 0.7654 | 0.0632 |
| 0.9 | 105.0 | 0.878 | 0.0771 |
| 0.9 | 135.0 | 0.8343 | 0.0801 |
| 0.9 | 165.0 | 0.782 | 0.08 |
| 0.9 | 195.0 | 0.8398 | 0.0851 |
| 0.9 | 225.0 | 0.818 | 0.0773 |
| 0.9 | 255.0 | 0.8143 | 0.0735 |
| 0.9 | 285.0 | 0.81 | 0.0704 |
| 0.9 | 315.0 | 0.6502 | 0.0556 |
| 0.9 | 345.0 | 0.7171 | 0.058 |
Experiment comment: