Measurement E151M2025
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.1201 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9437 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.1891 | 0.6221 |
| 0.35 | 66.0 | -0.0901 | 0.5145 |
| 0.35 | 78.0 | -0.5724 | 0.4647 |
| 0.35 | 282.0 | 0.2114 | 0.4508 |
| 0.35 | 294.0 | 0.1273 | 0.4715 |
| 0.45 | 66.0 | -0.7895 | 0.4858 |
| 0.45 | 78.0 | 0.2397 | 0.4448 |
| 0.45 | 90.0 | 0.0078 | 0.6417 |
| 0.45 | 270.0 | 0.2047 | 0.5882 |
| 0.45 | 282.0 | -0.2166 | 0.462 |
| 0.45 | 294.0 | 0.4084 | 0.448 |
| 0.55 | 66.0 | 0.1206 | 0.5904 |
| 0.55 | 78.0 | -0.3309 | 0.4942 |
| 0.55 | 90.0 | 0.6974 | 0.5802 |
| 0.55 | 114.0 | -0.42 | 0.6128 |
| 0.55 | 126.0 | -0.4803 | 0.7843 |
| 0.55 | 246.0 | -0.3988 | 0.7995 |
| 0.55 | 270.0 | 0.5384 | 0.5695 |
| 0.55 | 282.0 | -0.1641 | 0.4619 |
| 0.55 | 294.0 | 0.2843 | 0.5109 |
| 0.65 | 66.0 | 1.5079 | 0.5439 |
| 0.65 | 78.0 | -1.3235 | 0.5487 |
| 0.65 | 102.0 | -0.87 | 0.7005 |
| 0.65 | 114.0 | 0.3755 | 0.5212 |
| 0.65 | 126.0 | -0.0045 | 0.5486 |
| 0.65 | 138.0 | -1.0628 | 0.6439 |
| 0.65 | 150.0 | -0.6234 | 1.3851 |
| 0.65 | 222.0 | -0.118 | 0.5698 |
| 0.65 | 234.0 | 0.2198 | 0.5668 |
| 0.65 | 246.0 | 0.6184 | 0.5269 |
| 0.65 | 258.0 | -0.1878 | 0.6418 |
| 0.65 | 270.0 | -0.7421 | 0.6203 |
| 0.75 | 102.0 | -1.4517 | 1.3144 |
| 0.75 | 114.0 | 0.624 | 1.0368 |
| 0.75 | 126.0 | -0.4116 | 1.0046 |
| 0.75 | 138.0 | -0.3021 | 0.9396 |
| 0.75 | 210.0 | -2.8461 | 1.039 |
| 0.75 | 222.0 | 1.0131 | 0.9893 |
| 0.75 | 234.0 | 0.1863 | 0.871 |
| 0.75 | 246.0 | -0.0243 | 0.9239 |
| 0.75 | 258.0 | -0.8327 | 1.1876 |
| 0.85 | 114.0 | -0.4946 | 1.3148 |
| 0.85 | 126.0 | -0.1125 | 1.2729 |
| 0.85 | 138.0 | -1.6634 | 1.2661 |
| 0.85 | 210.0 | 1.7724 | 1.6247 |
| 0.85 | 222.0 | 0.4686 | 1.1377 |
| 0.85 | 234.0 | 2.6151 | 0.8444 |
| 0.85 | 246.0 | 0.983 | 0.9076 |
| 0.85 | 258.0 | -1.0776 | 0.9691 |
| 0.95 | 234.0 | 8.5089 | 3.3484 |
| 0.95 | 246.0 | 0.682 | 3.5816 |
| 0.65 | 306.0 | 1.8784 | 0.6366 |
| 0.75 | 78.0 | 0.7925 | 0.688 |
| 0.75 | 102.0 | 0.2479 | 0.8818 |
| 0.75 | 114.0 | 0.1502 | 0.5674 |
| 0.75 | 126.0 | 0.8886 | 0.5679 |
| 0.75 | 138.0 | -0.1522 | 0.7908 |
| 0.75 | 150.0 | -0.3516 | 0.7236 |
| 0.75 | 210.0 | -2.0205 | 0.7868 |
| 0.75 | 222.0 | -0.1158 | 0.7081 |
| 0.75 | 234.0 | -0.2438 | 0.5906 |
| 0.75 | 246.0 | 0.6293 | 0.5886 |
| 0.75 | 258.0 | -0.0529 | 0.7382 |
| 0.85 | 90.0 | -0.1031 | 0.9172 |
| 0.85 | 114.0 | -0.0524 | 0.8275 |
| 0.85 | 126.0 | -0.1834 | 0.7861 |
| 0.85 | 138.0 | 0.3662 | 0.8059 |
| 0.85 | 222.0 | 0.7821 | 0.7372 |
| 0.85 | 234.0 | -0.4254 | 0.596 |
| 0.85 | 246.0 | 0.6718 | 0.7301 |
| 0.85 | 258.0 | 1.1066 | 0.6331 |
| 0.95 | 222.0 | -0.7182 | 1.6169 |
| 0.95 | 234.0 | -0.6538 | 1.2796 |
| 0.95 | 246.0 | 1.5205 | 1.2702 |
Experiment comment: