Measurement E151M1834
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.1032 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.877 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | -0.0298 | 0.764 |
| 0.25 | 66.0 | -0.4286 | 0.6665 |
| 0.25 | 78.0 | -0.7577 | 0.5983 |
| 0.25 | 282.0 | -1.2049 | 0.5936 |
| 0.25 | 294.0 | -0.2299 | 0.5782 |
| 0.25 | 306.0 | 0.1711 | 0.8 |
| 0.35 | 66.0 | 0.2631 | 0.5542 |
| 0.35 | 78.0 | 0.4365 | 0.5371 |
| 0.35 | 90.0 | 1.0873 | 0.5635 |
| 0.35 | 270.0 | -0.1089 | 0.6424 |
| 0.35 | 282.0 | -0.41 | 0.4751 |
| 0.35 | 294.0 | -0.0598 | 0.5672 |
| 0.35 | 306.0 | 0.068 | 0.7417 |
| 0.35 | 330.0 | 0.1491 | 0.7256 |
| 0.45 | 66.0 | 0.5875 | 0.565 |
| 0.45 | 78.0 | 0.2166 | 0.5051 |
| 0.45 | 90.0 | 0.393 | 0.5646 |
| 0.45 | 102.0 | 0.2954 | 0.7516 |
| 0.45 | 114.0 | 1.5631 | 0.624 |
| 0.45 | 126.0 | -0.0787 | 0.7392 |
| 0.45 | 258.0 | -0.1403 | 0.5346 |
| 0.45 | 270.0 | -0.543 | 0.4356 |
| 0.45 | 282.0 | -0.2135 | 0.4972 |
| 0.45 | 294.0 | -0.0726 | 0.4874 |
| 0.45 | 306.0 | 0.4014 | 0.7681 |
| 0.55 | 66.0 | -0.2619 | 0.8134 |
| 0.55 | 78.0 | -0.9723 | 0.5102 |
| 0.55 | 90.0 | -0.6714 | 0.6738 |
| 0.55 | 102.0 | -0.0119 | 0.6286 |
| 0.55 | 114.0 | 0.0043 | 0.611 |
| 0.55 | 126.0 | 0.0865 | 0.5549 |
| 0.55 | 138.0 | -0.4654 | 0.6325 |
| 0.55 | 198.0 | 1.3705 | 0.657 |
| 0.55 | 210.0 | -0.2215 | 0.7472 |
| 0.55 | 222.0 | -0.0287 | 0.7606 |
| 0.55 | 234.0 | 0.193 | 0.611 |
| 0.55 | 246.0 | 0.3368 | 0.5363 |
| 0.55 | 258.0 | -0.4458 | 0.5101 |
| 0.55 | 270.0 | 0.1162 | 0.5195 |
| 0.55 | 282.0 | -0.539 | 0.3974 |
| 0.55 | 294.0 | 0.4914 | 0.5969 |
| 0.55 | 306.0 | -0.9963 | 0.7082 |
| 0.65 | 66.0 | 0.0401 | 0.5325 |
| 0.65 | 78.0 | -0.2789 | 0.6414 |
| 0.65 | 90.0 | -0.9824 | 0.7002 |
| 0.65 | 102.0 | 0.9426 | 0.7053 |
| 0.65 | 114.0 | -0.2689 | 0.5151 |
| 0.65 | 126.0 | 0.3922 | 0.4693 |
| 0.65 | 138.0 | -0.6192 | 0.6796 |
| 0.65 | 150.0 | -0.3517 | 0.7276 |
| 0.65 | 198.0 | -0.4885 | 0.6198 |
| 0.65 | 210.0 | -1.0105 | 0.5445 |
| 0.65 | 222.0 | 0.0349 | 0.4936 |
| 0.65 | 234.0 | 0.0229 | 0.4963 |
| 0.65 | 246.0 | -0.1876 | 0.6293 |
| 0.65 | 258.0 | -0.695 | 0.6722 |
| 0.65 | 270.0 | 0.0239 | 0.5961 |
| 0.65 | 282.0 | -0.5327 | 0.5765 |
| 0.65 | 294.0 | -0.2515 | 0.5069 |
| 0.65 | 306.0 | -0.6731 | 0.6705 |
| 0.75 | 66.0 | 0.3967 | 0.7311 |
| 0.75 | 102.0 | -0.1539 | 0.6076 |
| 0.75 | 114.0 | -0.8464 | 0.4699 |
| 0.75 | 126.0 | 0.289 | 0.4882 |
| 0.75 | 138.0 | 0.4825 | 0.5343 |
| 0.75 | 150.0 | -0.223 | 0.6701 |
| 0.75 | 198.0 | -1.1047 | 0.5707 |
| 0.75 | 210.0 | -0.4751 | 0.5077 |
| 0.75 | 222.0 | 0.1946 | 0.4716 |
| 0.75 | 234.0 | 0.4569 | 0.4252 |
| 0.75 | 246.0 | 0.5907 | 0.4552 |
| 0.75 | 258.0 | -0.6363 | 0.7305 |
| 0.75 | 270.0 | -0.5047 | 0.7439 |
| 0.75 | 282.0 | 0.4772 | 0.4875 |
| 0.75 | 294.0 | 0.3179 | 0.5349 |
| 0.85 | 90.0 | -0.2473 | 0.7363 |
| 0.85 | 102.0 | -0.1839 | 0.5863 |
| 0.85 | 114.0 | 0.2972 | 0.6522 |
| 0.85 | 126.0 | 1.1649 | 0.6176 |
| 0.85 | 138.0 | -0.1989 | 0.6124 |
| 0.85 | 198.0 | -1.0671 | 0.6344 |
| 0.85 | 210.0 | 1.1586 | 0.5262 |
| 0.85 | 222.0 | -0.3577 | 0.4881 |
| 0.85 | 234.0 | -0.3214 | 0.4474 |
| 0.85 | 246.0 | -0.6887 | 0.4312 |
| 0.85 | 258.0 | -0.4147 | 0.5115 |
| 0.95 | 114.0 | 0.6198 | 0.5529 |
| 0.95 | 126.0 | -0.9476 | 0.6735 |
| 0.95 | 222.0 | 0.2749 | 0.5659 |
| 0.95 | 234.0 | 2.057 | 2.057 |
| 0.95 | 246.0 | 0.4439 | 0.6365 |
Experiment comment: