Measurement E141M71
| 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: | 1.615 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 75.0 | 0.3053 | 0.0743 |
| -0.9 | 105.0 | 0.3501 | 0.0844 |
| -0.9 | 135.0 | 0.4607 | 0.1019 |
| -0.9 | 165.0 | 0.4462 | 0.087 |
| -0.9 | 195.0 | 0.3825 | 0.0847 |
| -0.9 | 225.0 | 0.4188 | 0.0797 |
| -0.9 | 255.0 | 0.4108 | 0.091 |
| -0.9 | 285.0 | 0.3385 | 0.0919 |
| -0.7 | 75.0 | 0.2261 | 0.0562 |
| -0.7 | 105.0 | 0.4835 | 0.0804 |
| -0.7 | 135.0 | 0.4213 | 0.066 |
| -0.7 | 165.0 | 0.4077 | 0.0676 |
| -0.7 | 195.0 | 0.3772 | 0.0565 |
| -0.7 | 225.0 | 0.4074 | 0.0587 |
| -0.7 | 255.0 | 0.4686 | 0.0804 |
| -0.7 | 285.0 | 0.3206 | 0.0737 |
| -0.5 | 15.0 | 0.4257 | 0.1081 |
| -0.5 | 45.0 | 0.5036 | 0.1116 |
| -0.5 | 75.0 | 0.4424 | 0.0761 |
| -0.5 | 105.0 | 0.504 | 0.0759 |
| -0.5 | 135.0 | 0.4046 | 0.0588 |
| -0.5 | 165.0 | 0.3472 | 0.0523 |
| -0.5 | 195.0 | 0.3083 | 0.0483 |
| -0.5 | 225.0 | 0.358 | 0.0524 |
| -0.5 | 255.0 | 0.4724 | 0.0713 |
| -0.5 | 285.0 | 0.5455 | 0.0939 |
| -0.5 | 315.0 | 0.3725 | 0.0859 |
| -0.3 | 15.0 | 0.4239 | 0.1311 |
| -0.3 | 45.0 | 0.5062 | 0.1264 |
| -0.3 | 75.0 | 0.4431 | 0.0747 |
| -0.3 | 105.0 | 0.5622 | 0.08 |
| -0.3 | 135.0 | 0.3812 | 0.059 |
| -0.3 | 165.0 | 0.4013 | 0.0516 |
| -0.3 | 195.0 | 0.3879 | 0.0495 |
| -0.3 | 225.0 | 0.4157 | 0.0597 |
| -0.3 | 255.0 | 0.5044 | 0.0692 |
| -0.3 | 285.0 | 0.3867 | 0.0694 |
| -0.1 | 45.0 | 0.2772 | 0.0628 |
| -0.1 | 75.0 | 0.3653 | 0.066 |
| -0.1 | 105.0 | 0.4046 | 0.0628 |
| -0.1 | 135.0 | 0.3936 | 0.0658 |
| -0.1 | 165.0 | 0.3486 | 0.0462 |
| -0.1 | 195.0 | 0.465 | 0.0566 |
| -0.1 | 225.0 | 0.4515 | 0.0643 |
| -0.1 | 255.0 | 0.4526 | 0.0632 |
| -0.1 | 285.0 | 0.4023 | 0.0835 |
| -0.1 | 315.0 | 0.0905 | 0.0306 |
| 0.1 | 15.0 | 0.1388 | 0.0593 |
| 0.1 | 45.0 | 0.3658 | 0.068 |
| 0.1 | 75.0 | 0.4506 | 0.0723 |
| 0.1 | 105.0 | 0.2736 | 0.0487 |
| 0.1 | 135.0 | 0.2776 | 0.0451 |
| 0.1 | 165.0 | 0.3162 | 0.0379 |
| 0.1 | 195.0 | 0.3402 | 0.0408 |
| 0.1 | 225.0 | 0.2833 | 0.0457 |
| 0.1 | 255.0 | 0.3295 | 0.0603 |
| 0.1 | 285.0 | 0.3785 | 0.0914 |
| 0.1 | 315.0 | 0.3126 | 0.078 |
| 0.3 | 15.0 | 0.4408 | 0.1235 |
| 0.3 | 45.0 | 0.4175 | 0.0649 |
| 0.3 | 75.0 | 0.4752 | 0.062 |
| 0.3 | 105.0 | 0.4617 | 0.066 |
| 0.3 | 135.0 | 0.3182 | 0.0509 |
| 0.3 | 165.0 | 0.2419 | 0.0264 |
| 0.3 | 195.0 | 0.2237 | 0.0257 |
| 0.3 | 225.0 | 0.3038 | 0.0406 |
| 0.3 | 255.0 | 0.3106 | 0.0565 |
| 0.3 | 285.0 | 0.4141 | 0.0781 |
| 0.3 | 315.0 | 0.5319 | 0.088 |
| 0.3 | 345.0 | 0.6056 | 0.1994 |
| 0.5 | 15.0 | 0.2797 | 0.0691 |
| 0.5 | 45.0 | 0.4435 | 0.0901 |
| 0.5 | 75.0 | 0.5119 | 0.0855 |
| 0.5 | 105.0 | 0.4802 | 0.0859 |
| 0.5 | 135.0 | 0.4534 | 0.0717 |
| 0.5 | 165.0 | 0.2969 | 0.041 |
| 0.5 | 195.0 | 0.2475 | 0.0325 |
| 0.5 | 225.0 | 0.453 | 0.0884 |
| 0.5 | 255.0 | 0.5022 | 0.0909 |
| 0.5 | 285.0 | 0.3995 | 0.0748 |
| 0.5 | 315.0 | 0.5736 | 0.1283 |
| 0.5 | 345.0 | 0.2075 | 0.0562 |
| 0.7 | 15.0 | 0.4231 | 0.06 |
| 0.7 | 45.0 | 0.3571 | 0.059 |
| 0.7 | 75.0 | 0.3978 | 0.0555 |
| 0.7 | 105.0 | 0.4005 | 0.0719 |
| 0.7 | 135.0 | 0.4026 | 0.0798 |
| 0.7 | 165.0 | 0.3745 | 0.0584 |
| 0.7 | 195.0 | 0.2863 | 0.0412 |
| 0.7 | 225.0 | 0.3457 | 0.0579 |
| 0.7 | 255.0 | 0.3422 | 0.0631 |
| 0.7 | 285.0 | 0.3473 | 0.0551 |
| 0.7 | 315.0 | 0.3305 | 0.0561 |
| 0.7 | 345.0 | 0.4429 | 0.0645 |
| 0.9 | 15.0 | 0.3399 | 0.0435 |
| 0.9 | 45.0 | 0.3475 | 0.0451 |
| 0.9 | 75.0 | 0.3334 | 0.0436 |
| 0.9 | 105.0 | 0.3338 | 0.0453 |
| 0.9 | 135.0 | 0.2534 | 0.034 |
| 0.9 | 165.0 | 0.3332 | 0.0468 |
| 0.9 | 195.0 | 0.3497 | 0.0543 |
| 0.9 | 225.0 | 0.3632 | 0.0495 |
| 0.9 | 255.0 | 0.3016 | 0.0395 |
| 0.9 | 285.0 | 0.3234 | 0.0435 |
| 0.9 | 315.0 | 0.2984 | 0.0399 |
| 0.9 | 345.0 | 0.3409 | 0.0421 |
Experiment comment: