Measurement E151M2262
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.3392 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9338 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.3369 | 0.6589 |
| 0.05 | 66.0 | -0.3158 | 0.8224 |
| 0.05 | 294.0 | -0.7032 | 0.9039 |
| 0.05 | 306.0 | -0.6288 | 0.8196 |
| 0.15 | 54.0 | 1.0883 | 0.6523 |
| 0.15 | 66.0 | -0.4183 | 0.6424 |
| 0.15 | 282.0 | 0.0573 | 0.8843 |
| 0.15 | 294.0 | -0.0964 | 0.5867 |
| 0.15 | 306.0 | 0.6948 | 0.623 |
| 0.25 | 54.0 | 0.4811 | 0.696 |
| 0.25 | 66.0 | 0.7422 | 0.584 |
| 0.25 | 78.0 | -0.5237 | 0.7518 |
| 0.25 | 282.0 | -0.8137 | 0.5835 |
| 0.25 | 294.0 | 1.2244 | 0.5588 |
| 0.25 | 306.0 | -0.61 | 0.6922 |
| 0.35 | 54.0 | 1.4232 | 0.7675 |
| 0.35 | 66.0 | -1.2448 | 0.589 |
| 0.35 | 78.0 | -0.9548 | 0.8012 |
| 0.35 | 270.0 | 0.6311 | 0.7865 |
| 0.35 | 282.0 | 0.6421 | 0.5225 |
| 0.35 | 294.0 | -0.9518 | 0.5463 |
| 0.35 | 306.0 | 0.4271 | 0.897 |
| 0.45 | 42.0 | 0.0565 | 0.8957 |
| 0.45 | 54.0 | -0.0474 | 0.9776 |
| 0.45 | 66.0 | 0.3387 | 0.7634 |
| 0.45 | 90.0 | 0.3422 | 0.7576 |
| 0.45 | 102.0 | 0.8201 | 0.6644 |
| 0.45 | 270.0 | -0.0087 | 0.6756 |
| 0.45 | 282.0 | -0.6512 | 0.5023 |
| 0.45 | 294.0 | -0.0393 | 0.5018 |
| 0.45 | 306.0 | 0.7137 | 0.6952 |
| 0.45 | 318.0 | 0.364 | 0.8203 |
| 0.55 | 54.0 | -0.2287 | 0.8313 |
| 0.55 | 78.0 | 0.0371 | 0.6846 |
| 0.55 | 90.0 | 1.1293 | 0.486 |
| 0.55 | 102.0 | 1.2819 | 0.486 |
| 0.55 | 114.0 | -0.1085 | 0.5604 |
| 0.55 | 126.0 | 0.1443 | 0.968 |
| 0.55 | 246.0 | 0.1756 | 0.87 |
| 0.55 | 258.0 | 1.2621 | 0.6622 |
| 0.55 | 270.0 | -0.0756 | 0.7168 |
| 0.55 | 282.0 | 0.2246 | 0.6127 |
| 0.55 | 294.0 | -1.5777 | 0.6645 |
| 0.55 | 306.0 | 0.7479 | 0.5914 |
| 0.65 | 78.0 | -0.4992 | 0.5519 |
| 0.65 | 90.0 | -0.4964 | 0.4789 |
| 0.65 | 102.0 | 0.4234 | 0.471 |
| 0.65 | 114.0 | 0.1891 | 0.5474 |
| 0.65 | 126.0 | -1.4673 | 0.6234 |
| 0.65 | 222.0 | 0.0368 | 0.8281 |
| 0.65 | 234.0 | 0.6485 | 0.7366 |
| 0.65 | 246.0 | -1.0083 | 0.6069 |
| 0.65 | 258.0 | 1.0716 | 0.5934 |
| 0.65 | 270.0 | 0.6037 | 0.6516 |
| 0.65 | 282.0 | 0.0516 | 0.8895 |
| 0.65 | 306.0 | 1.2206 | 0.7012 |
| 0.75 | 54.0 | 1.762 | 0.7872 |
| 0.75 | 66.0 | 0.7629 | 0.6152 |
| 0.75 | 78.0 | 1.1119 | 0.5648 |
| 0.75 | 90.0 | 0.8139 | 0.3879 |
| 0.75 | 102.0 | 0.345 | 0.4541 |
| 0.75 | 114.0 | -0.4895 | 0.5021 |
| 0.75 | 126.0 | 0.6772 | 0.5419 |
| 0.75 | 138.0 | -1.2051 | 0.6329 |
| 0.75 | 150.0 | 1.8453 | 0.8096 |
| 0.75 | 198.0 | -0.8512 | 0.8282 |
| 0.75 | 210.0 | 0.6524 | 0.7303 |
| 0.75 | 222.0 | 0.5153 | 0.5922 |
| 0.75 | 234.0 | 0.9683 | 0.5362 |
| 0.75 | 246.0 | 0.5278 | 0.4908 |
| 0.75 | 258.0 | -0.5514 | 0.494 |
| 0.75 | 270.0 | 0.1013 | 0.5423 |
| 0.75 | 282.0 | -0.5657 | 0.6855 |
| 0.75 | 294.0 | -1.3375 | 0.7342 |
| 0.85 | 54.0 | 1.144 | 0.634 |
| 0.85 | 66.0 | 0.7117 | 0.4544 |
| 0.85 | 78.0 | -1.0555 | 0.6375 |
| 0.85 | 90.0 | 0.9483 | 0.5766 |
| 0.85 | 102.0 | 0.1371 | 0.4473 |
| 0.85 | 114.0 | -0.4945 | 0.4889 |
| 0.85 | 126.0 | 0.4529 | 0.5706 |
| 0.85 | 138.0 | 0.9056 | 0.6705 |
| 0.85 | 186.0 | 0.7414 | 0.8246 |
| 0.85 | 198.0 | 0.514 | 0.6709 |
| 0.85 | 210.0 | 0.0793 | 0.5911 |
| 0.85 | 222.0 | -0.0376 | 0.5101 |
| 0.85 | 234.0 | -0.1513 | 0.4592 |
| 0.85 | 246.0 | -0.1188 | 0.4154 |
| 0.85 | 258.0 | 0.452 | 0.3705 |
| 0.85 | 270.0 | 0.9306 | 0.3809 |
| 0.85 | 282.0 | 0.4805 | 0.4688 |
| 0.85 | 294.0 | 0.9103 | 0.6053 |
| 0.85 | 306.0 | -0.2115 | 0.6132 |
| 0.95 | 54.0 | -0.3099 | 0.7623 |
| 0.95 | 66.0 | 0.7893 | 0.5721 |
| 0.95 | 78.0 | 0.2234 | 0.708 |
| 0.95 | 114.0 | 2.1336 | 0.5763 |
| 0.95 | 126.0 | -0.4146 | 0.8059 |
| 0.95 | 138.0 | 0.5936 | 0.876 |
| 0.95 | 186.0 | -1.8102 | 0.5944 |
| 0.95 | 198.0 | 1.0442 | 0.6614 |
| 0.95 | 210.0 | 0.893 | 0.6318 |
| 0.95 | 222.0 | 0.3629 | 0.5986 |
| 0.95 | 234.0 | -0.6478 | 0.5307 |
| 0.95 | 246.0 | -0.5875 | 0.5239 |
| 0.95 | 258.0 | 0.1001 | 0.5119 |
| 0.95 | 270.0 | 0.1982 | 0.4805 |
| 0.95 | 282.0 | 0.3596 | 0.3975 |
| 0.95 | 294.0 | -0.0952 | 0.4196 |
| 0.95 | 306.0 | -0.4461 | 0.4435 |
| 0.95 | 318.0 | 0.2692 | 0.5671 |
Experiment comment: