Measurement E141M72
| 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: | 3.15 GeV2 | |
| W: | 1.625 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 45.0 | 0.2173 | 0.0475 |
| -0.9 | 75.0 | 0.3947 | 0.1097 |
| -0.9 | 105.0 | 0.3529 | 0.0805 |
| -0.9 | 135.0 | 0.4461 | 0.0852 |
| -0.9 | 165.0 | 0.4307 | 0.0748 |
| -0.9 | 195.0 | 0.3841 | 0.0733 |
| -0.9 | 225.0 | 0.4015 | 0.0738 |
| -0.9 | 255.0 | 0.3975 | 0.0929 |
| -0.9 | 285.0 | 0.3333 | 0.0856 |
| -0.7 | 45.0 | 0.2113 | 0.0426 |
| -0.7 | 75.0 | 0.2196 | 0.0447 |
| -0.7 | 105.0 | 0.4728 | 0.0777 |
| -0.7 | 135.0 | 0.4088 | 0.0679 |
| -0.7 | 165.0 | 0.396 | 0.0629 |
| -0.7 | 195.0 | 0.3633 | 0.0603 |
| -0.7 | 225.0 | 0.398 | 0.0694 |
| -0.7 | 255.0 | 0.4506 | 0.0737 |
| -0.7 | 285.0 | 0.3283 | 0.0646 |
| -0.7 | 315.0 | 0.0779 | 0.016 |
| -0.5 | 15.0 | 0.4058 | 0.1022 |
| -0.5 | 45.0 | 0.5002 | 0.1084 |
| -0.5 | 75.0 | 0.4522 | 0.081 |
| -0.5 | 105.0 | 0.4914 | 0.0779 |
| -0.5 | 135.0 | 0.3936 | 0.0574 |
| -0.5 | 165.0 | 0.3394 | 0.0473 |
| -0.5 | 195.0 | 0.3054 | 0.0465 |
| -0.5 | 225.0 | 0.3586 | 0.0537 |
| -0.5 | 255.0 | 0.4652 | 0.0693 |
| -0.5 | 285.0 | 0.5161 | 0.0848 |
| -0.5 | 315.0 | 0.2527 | 0.0631 |
| -0.3 | 15.0 | 0.4173 | 0.1325 |
| -0.3 | 45.0 | 0.4985 | 0.1163 |
| -0.3 | 75.0 | 0.4489 | 0.071 |
| -0.3 | 105.0 | 0.5491 | 0.0813 |
| -0.3 | 135.0 | 0.3852 | 0.0526 |
| -0.3 | 165.0 | 0.3992 | 0.0562 |
| -0.3 | 195.0 | 0.3824 | 0.0535 |
| -0.3 | 225.0 | 0.4075 | 0.0595 |
| -0.3 | 255.0 | 0.4965 | 0.0653 |
| -0.3 | 285.0 | 0.4037 | 0.0717 |
| -0.3 | 315.0 | 0.4502 | 0.1375 |
| -0.1 | 15.0 | 0.0532 | 0.0256 |
| -0.1 | 45.0 | 0.2857 | 0.0679 |
| -0.1 | 75.0 | 0.3595 | 0.0626 |
| -0.1 | 105.0 | 0.4249 | 0.0658 |
| -0.1 | 135.0 | 0.4003 | 0.058 |
| -0.1 | 165.0 | 0.3723 | 0.0484 |
| -0.1 | 195.0 | 0.4697 | 0.061 |
| -0.1 | 225.0 | 0.4505 | 0.0686 |
| -0.1 | 255.0 | 0.4604 | 0.0693 |
| -0.1 | 285.0 | 0.4074 | 0.0943 |
| 0.1 | 15.0 | 0.1913 | 0.0921 |
| 0.1 | 45.0 | 0.3696 | 0.073 |
| 0.1 | 75.0 | 0.4644 | 0.0784 |
| 0.1 | 105.0 | 0.298 | 0.0513 |
| 0.1 | 135.0 | 0.2977 | 0.048 |
| 0.1 | 165.0 | 0.3213 | 0.0382 |
| 0.1 | 195.0 | 0.3486 | 0.0434 |
| 0.1 | 225.0 | 0.3045 | 0.0449 |
| 0.1 | 255.0 | 0.3556 | 0.0646 |
| 0.1 | 285.0 | 0.4118 | 0.0852 |
| 0.1 | 315.0 | 0.3534 | 0.0809 |
| 0.3 | 15.0 | 0.448 | 0.175 |
| 0.3 | 45.0 | 0.4362 | 0.0647 |
| 0.3 | 75.0 | 0.4687 | 0.0657 |
| 0.3 | 105.0 | 0.4619 | 0.0713 |
| 0.3 | 135.0 | 0.316 | 0.0456 |
| 0.3 | 165.0 | 0.2456 | 0.0275 |
| 0.3 | 195.0 | 0.2266 | 0.0249 |
| 0.3 | 225.0 | 0.3182 | 0.0446 |
| 0.3 | 255.0 | 0.3362 | 0.0616 |
| 0.3 | 285.0 | 0.4361 | 0.085 |
| 0.3 | 315.0 | 0.5435 | 0.1114 |
| 0.3 | 345.0 | 0.5935 | 0.1897 |
| 0.5 | 15.0 | 0.3141 | 0.0728 |
| 0.5 | 45.0 | 0.4668 | 0.0833 |
| 0.5 | 75.0 | 0.5267 | 0.0772 |
| 0.5 | 105.0 | 0.4929 | 0.0807 |
| 0.5 | 135.0 | 0.4442 | 0.0732 |
| 0.5 | 165.0 | 0.3007 | 0.041 |
| 0.5 | 195.0 | 0.2545 | 0.032 |
| 0.5 | 225.0 | 0.4552 | 0.0825 |
| 0.5 | 255.0 | 0.4845 | 0.0935 |
| 0.5 | 285.0 | 0.4152 | 0.0701 |
| 0.5 | 315.0 | 0.6023 | 0.1404 |
| 0.5 | 345.0 | 0.2322 | 0.0701 |
| 0.7 | 15.0 | 0.4238 | 0.0629 |
| 0.7 | 45.0 | 0.374 | 0.0644 |
| 0.7 | 75.0 | 0.4182 | 0.057 |
| 0.7 | 105.0 | 0.4214 | 0.0694 |
| 0.7 | 135.0 | 0.4012 | 0.066 |
| 0.7 | 165.0 | 0.3671 | 0.0658 |
| 0.7 | 195.0 | 0.2962 | 0.0491 |
| 0.7 | 225.0 | 0.3621 | 0.0582 |
| 0.7 | 255.0 | 0.3801 | 0.0608 |
| 0.7 | 285.0 | 0.3716 | 0.0603 |
| 0.7 | 315.0 | 0.3616 | 0.0621 |
| 0.7 | 345.0 | 0.4376 | 0.0671 |
| 0.9 | 15.0 | 0.3615 | 0.0456 |
| 0.9 | 45.0 | 0.3536 | 0.0505 |
| 0.9 | 75.0 | 0.3448 | 0.0451 |
| 0.9 | 105.0 | 0.3439 | 0.0464 |
| 0.9 | 135.0 | 0.267 | 0.0395 |
| 0.9 | 165.0 | 0.3312 | 0.0439 |
| 0.9 | 195.0 | 0.3464 | 0.0517 |
| 0.9 | 225.0 | 0.3663 | 0.0526 |
| 0.9 | 255.0 | 0.3207 | 0.0448 |
| 0.9 | 285.0 | 0.3405 | 0.0429 |
| 0.9 | 315.0 | 0.3159 | 0.0412 |
| 0.9 | 345.0 | 0.3707 | 0.049 |
Experiment comment: