Measurement E151M2371
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.0604 | |
| Q2: | 0.101 GeV2 | |
| W: | 1745.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8728 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 1.1729 | 1.0675 |
| 0.35 | 78.0 | -0.9368 | 1.0115 |
| 0.35 | 270.0 | -2.5625 | 0.8623 |
| 0.45 | 114.0 | -0.4032 | 1.1304 |
| 0.45 | 126.0 | 0.7279 | 1.0073 |
| 0.45 | 258.0 | -0.8152 | 0.9724 |
| 0.45 | 270.0 | -0.9342 | 0.8139 |
| 0.55 | 102.0 | -0.6351 | 1.0371 |
| 0.55 | 114.0 | -0.5361 | 0.8963 |
| 0.55 | 126.0 | -0.1846 | 0.9445 |
| 0.55 | 138.0 | -0.7811 | 1.1276 |
| 0.55 | 198.0 | -1.5916 | 1.0254 |
| 0.55 | 210.0 | 1.291 | 1.0074 |
| 0.55 | 258.0 | 1.1852 | 0.8055 |
| 0.55 | 270.0 | -0.5698 | 0.89 |
| 0.65 | 54.0 | -0.5551 | 0.9927 |
| 0.65 | 102.0 | -0.6116 | 1.0864 |
| 0.65 | 114.0 | 0.0246 | 0.779 |
| 0.65 | 126.0 | 0.4187 | 0.7542 |
| 0.65 | 138.0 | -2.2059 | 1.0148 |
| 0.65 | 186.0 | -0.7068 | 0.897 |
| 0.65 | 198.0 | -0.3764 | 0.8408 |
| 0.65 | 210.0 | 0.8773 | 1.0334 |
| 0.65 | 222.0 | 0.9491 | 0.7366 |
| 0.65 | 234.0 | 1.1333 | 1.0507 |
| 0.65 | 246.0 | 2.363 | 0.8096 |
| 0.65 | 270.0 | -1.5526 | 0.8413 |
| 0.65 | 282.0 | -1.5221 | 0.8047 |
| 0.65 | 294.0 | -0.6326 | 1.0128 |
| 0.75 | 90.0 | 1.2214 | 0.8907 |
| 0.75 | 102.0 | 0.0843 | 0.8057 |
| 0.75 | 114.0 | -1.1651 | 0.889 |
| 0.75 | 126.0 | 0.8471 | 0.8772 |
| 0.75 | 138.0 | -1.0303 | 0.9603 |
| 0.75 | 150.0 | -0.79 | 1.0971 |
| 0.75 | 162.0 | 0.1361 | 1.1069 |
| 0.75 | 174.0 | 0.3172 | 1.1474 |
| 0.75 | 186.0 | -0.156 | 0.9071 |
| 0.75 | 198.0 | 0.7484 | 0.7493 |
| 0.75 | 210.0 | 0.9087 | 0.6643 |
| 0.75 | 222.0 | 0.0105 | 0.8446 |
| 0.75 | 234.0 | 0.8361 | 0.8519 |
| 0.75 | 246.0 | 0.0847 | 0.9379 |
| 0.75 | 258.0 | 1.6562 | 0.819 |
| 0.75 | 270.0 | 1.4763 | 0.6116 |
| 0.75 | 282.0 | -1.3992 | 0.6888 |
| 0.75 | 294.0 | -0.9498 | 0.7148 |
| 0.85 | 90.0 | 0.803 | 0.702 |
| 0.85 | 102.0 | 0.7562 | 0.6904 |
| 0.85 | 114.0 | -0.7467 | 0.6304 |
| 0.85 | 126.0 | -0.2848 | 0.7907 |
| 0.85 | 138.0 | 0.0239 | 1.0928 |
| 0.85 | 162.0 | 0.0976 | 0.8415 |
| 0.85 | 174.0 | -1.6432 | 0.8713 |
| 0.85 | 186.0 | -1.532 | 0.7982 |
| 0.85 | 198.0 | -0.3855 | 0.6504 |
| 0.85 | 210.0 | -1.4265 | 0.6123 |
| 0.85 | 222.0 | 0.0953 | 0.575 |
| 0.85 | 234.0 | -0.3251 | 0.7983 |
| 0.85 | 246.0 | 0.0488 | 1.0365 |
| 0.85 | 258.0 | -1.9482 | 0.8473 |
| 0.85 | 270.0 | 0.4084 | 0.8296 |
| 0.85 | 282.0 | 1.2565 | 0.8008 |
| 0.95 | 174.0 | 0.5033 | 0.9716 |
| 0.95 | 186.0 | -0.826 | 0.9406 |
| 0.95 | 198.0 | 0.0233 | 0.7643 |
| 0.95 | 210.0 | 0.5139 | 0.6781 |
| 0.95 | 222.0 | -0.1313 | 0.7938 |
| 0.95 | 234.0 | 0.9752 | 0.7734 |
Experiment comment: