Measurement E151M2284
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.2071 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9306 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.3341 | 0.9211 |
| 0.05 | 66.0 | -0.1894 | 0.7506 |
| 0.15 | 54.0 | 0.7429 | 0.6585 |
| 0.15 | 66.0 | -0.8086 | 0.7325 |
| 0.15 | 78.0 | 1.3386 | 0.7566 |
| 0.15 | 282.0 | 0.6773 | 0.778 |
| 0.15 | 294.0 | -0.6943 | 0.7543 |
| 0.25 | 54.0 | 0.7953 | 0.8153 |
| 0.25 | 66.0 | 1.1304 | 0.6335 |
| 0.25 | 78.0 | -1.0507 | 0.6815 |
| 0.25 | 270.0 | -0.7331 | 0.8289 |
| 0.25 | 282.0 | -0.4333 | 0.5982 |
| 0.25 | 294.0 | -0.0671 | 0.6022 |
| 0.25 | 306.0 | 0.619 | 0.7889 |
| 0.35 | 54.0 | 0.3801 | 0.8764 |
| 0.35 | 66.0 | 0.5121 | 0.6138 |
| 0.35 | 78.0 | 0.0033 | 0.68 |
| 0.35 | 90.0 | -0.577 | 0.8117 |
| 0.35 | 102.0 | 0.0598 | 0.892 |
| 0.35 | 270.0 | 0.3721 | 0.6776 |
| 0.35 | 282.0 | -0.5625 | 0.5565 |
| 0.35 | 294.0 | -0.359 | 0.5176 |
| 0.35 | 306.0 | -0.2866 | 0.8134 |
| 0.45 | 54.0 | 0.3747 | 0.9263 |
| 0.45 | 66.0 | 0.9373 | 0.7136 |
| 0.45 | 78.0 | 0.9469 | 0.6708 |
| 0.45 | 90.0 | -0.0083 | 0.9651 |
| 0.45 | 102.0 | -0.0782 | 0.6437 |
| 0.45 | 114.0 | 0.5422 | 0.7482 |
| 0.45 | 258.0 | 0.5708 | 0.7383 |
| 0.45 | 270.0 | 1.0608 | 0.5422 |
| 0.45 | 282.0 | -0.7706 | 0.4945 |
| 0.45 | 294.0 | 1.1354 | 0.5967 |
| 0.55 | 42.0 | 0.455 | 0.8378 |
| 0.55 | 54.0 | -0.2576 | 0.7272 |
| 0.55 | 66.0 | -0.4359 | 0.8498 |
| 0.55 | 78.0 | 0.4046 | 0.8326 |
| 0.55 | 90.0 | 0.6442 | 0.5848 |
| 0.55 | 102.0 | -0.0145 | 0.4982 |
| 0.55 | 114.0 | -0.6431 | 0.5574 |
| 0.55 | 126.0 | 0.8869 | 0.6677 |
| 0.55 | 138.0 | 0.9802 | 0.9442 |
| 0.55 | 222.0 | 0.3476 | 0.8225 |
| 0.55 | 234.0 | 0.3885 | 0.7796 |
| 0.55 | 246.0 | -0.0742 | 0.8322 |
| 0.55 | 258.0 | -1.5606 | 0.6253 |
| 0.55 | 270.0 | 0.6323 | 0.5031 |
| 0.55 | 282.0 | 0.2064 | 0.4743 |
| 0.55 | 294.0 | -0.9092 | 0.798 |
| 0.55 | 306.0 | -0.4501 | 0.5662 |
| 0.65 | 54.0 | -0.5531 | 0.947 |
| 0.65 | 78.0 | -1.0942 | 0.8345 |
| 0.65 | 90.0 | 0.2979 | 0.5508 |
| 0.65 | 102.0 | -0.696 | 0.4334 |
| 0.65 | 114.0 | 0.2718 | 0.4893 |
| 0.65 | 126.0 | -0.3466 | 0.5438 |
| 0.65 | 138.0 | 0.491 | 0.71 |
| 0.65 | 150.0 | -1.5684 | 0.9067 |
| 0.65 | 198.0 | -0.0162 | 0.7497 |
| 0.65 | 210.0 | -0.1687 | 0.7075 |
| 0.65 | 222.0 | 0.0622 | 0.5662 |
| 0.65 | 234.0 | 1.0532 | 0.551 |
| 0.65 | 246.0 | 1.3232 | 0.526 |
| 0.65 | 258.0 | -1.466 | 0.5645 |
| 0.65 | 270.0 | 0.2374 | 0.6123 |
| 0.65 | 282.0 | -0.861 | 0.8745 |
| 0.65 | 294.0 | -0.4941 | 0.4871 |
| 0.65 | 306.0 | -0.1327 | 0.4747 |
| 0.75 | 66.0 | 0.5622 | 0.6665 |
| 0.75 | 78.0 | -0.4938 | 0.6065 |
| 0.75 | 90.0 | -0.5319 | 0.5974 |
| 0.75 | 102.0 | 0.0724 | 0.3677 |
| 0.75 | 114.0 | -0.6891 | 0.401 |
| 0.75 | 126.0 | 0.1437 | 0.4787 |
| 0.75 | 138.0 | 0.435 | 0.5763 |
| 0.75 | 150.0 | 0.7126 | 0.8727 |
| 0.75 | 162.0 | 1.043 | 0.9557 |
| 0.75 | 174.0 | 1.689 | 0.7075 |
| 0.75 | 186.0 | 0.0037 | 0.7013 |
| 0.75 | 198.0 | 0.4336 | 0.6112 |
| 0.75 | 210.0 | -0.5391 | 0.5824 |
| 0.75 | 222.0 | -0.5737 | 0.5189 |
| 0.75 | 234.0 | 0.3556 | 0.47 |
| 0.75 | 246.0 | -0.4064 | 0.4343 |
| 0.75 | 258.0 | -0.5355 | 0.5115 |
| 0.75 | 270.0 | -0.0643 | 0.7236 |
| 0.75 | 282.0 | 0.8648 | 0.7365 |
| 0.75 | 294.0 | 0.9151 | 0.609 |
| 0.85 | 66.0 | -0.0893 | 0.5053 |
| 0.85 | 78.0 | 0.401 | 0.4067 |
| 0.85 | 90.0 | 1.3971 | 0.4366 |
| 0.85 | 102.0 | 0.5846 | 0.5878 |
| 0.85 | 114.0 | -0.3458 | 0.4723 |
| 0.85 | 126.0 | 0.7063 | 0.5315 |
| 0.85 | 138.0 | 0.2672 | 0.5861 |
| 0.85 | 150.0 | 0.047 | 0.9338 |
| 0.85 | 162.0 | 0.7334 | 1.0107 |
| 0.85 | 174.0 | -0.0633 | 0.75 |
| 0.85 | 186.0 | -0.8181 | 0.6236 |
| 0.85 | 198.0 | 0.2415 | 0.595 |
| 0.85 | 210.0 | 0.6079 | 0.4609 |
| 0.85 | 222.0 | 0.1841 | 0.4543 |
| 0.85 | 234.0 | 0.0916 | 0.3875 |
| 0.85 | 246.0 | 0.1229 | 0.3814 |
| 0.85 | 258.0 | 0.5221 | 0.4219 |
| 0.85 | 270.0 | 1.0544 | 0.4849 |
| 0.85 | 282.0 | -0.6268 | 0.6037 |
| 0.85 | 294.0 | -1.1661 | 0.6785 |
| 0.95 | 66.0 | 0.5497 | 0.8288 |
| 0.95 | 78.0 | 0.9626 | 0.5196 |
| 0.95 | 90.0 | 0.2485 | 0.5286 |
| 0.95 | 102.0 | -0.7262 | 0.8138 |
| 0.95 | 126.0 | -1.7287 | 0.7946 |
| 0.95 | 138.0 | 0.5136 | 0.8808 |
| 0.95 | 150.0 | 0.5775 | 0.7745 |
| 0.95 | 174.0 | 0.6183 | 0.8339 |
| 0.95 | 186.0 | 1.9039 | 0.5731 |
| 0.95 | 198.0 | 0.1996 | 0.591 |
| 0.95 | 210.0 | -0.0045 | 0.5556 |
| 0.95 | 222.0 | -0.3257 | 0.5183 |
| 0.95 | 234.0 | 0.1883 | 0.4459 |
| 0.95 | 246.0 | 0.3483 | 0.4417 |
| 0.95 | 258.0 | 0.3469 | 0.3601 |
| 0.95 | 270.0 | 0.5223 | 0.3971 |
| 0.95 | 282.0 | 0.6063 | 0.3797 |
| 0.95 | 294.0 | -0.5269 | 0.5097 |
Experiment comment: