Measurement E151M1989
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.3093 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9578 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | 0.3012 | 1.2207 |
| 0.25 | 66.0 | 0.3092 | 1.3233 |
| 0.25 | 78.0 | 1.8831 | 1.6045 |
| 0.25 | 294.0 | -0.7714 | 1.1069 |
| 0.25 | 306.0 | 1.3592 | 1.0421 |
| 0.35 | 66.0 | -1.1652 | 1.3615 |
| 0.35 | 78.0 | -2.8089 | 1.013 |
| 0.35 | 282.0 | -0.8336 | 1.2843 |
| 0.35 | 294.0 | -0.0393 | 0.913 |
| 0.35 | 306.0 | -0.4515 | 1.0923 |
| 0.45 | 66.0 | 3.5634 | 1.1033 |
| 0.45 | 78.0 | 0.3074 | 1.158 |
| 0.45 | 90.0 | -2.9601 | 1.577 |
| 0.45 | 282.0 | 1.4786 | 0.9994 |
| 0.45 | 294.0 | -0.2566 | 0.9816 |
| 0.55 | 66.0 | -4.0449 | 4.0449 |
| 0.55 | 78.0 | -0.7297 | 1.2897 |
| 0.55 | 90.0 | -0.1872 | 1.2061 |
| 0.55 | 102.0 | -0.4811 | 1.6458 |
| 0.55 | 270.0 | -0.5087 | 1.2395 |
| 0.55 | 282.0 | 0.0328 | 1.13 |
| 0.55 | 294.0 | -1.4671 | 1.2544 |
| 0.65 | 90.0 | -1.2019 | 1.5893 |
| 0.65 | 102.0 | -1.1249 | 1.372 |
| 0.65 | 114.0 | 0.4747 | 1.4107 |
| 0.65 | 126.0 | -0.6042 | 1.6603 |
| 0.65 | 234.0 | -1.1311 | 1.4112 |
| 0.65 | 246.0 | -0.6319 | 1.4749 |
| 0.65 | 258.0 | -1.4296 | 0.9588 |
| 0.65 | 270.0 | 2.4123 | 0.9094 |
| 0.65 | 282.0 | -0.8684 | 1.1698 |
| 0.75 | 90.0 | 1.0777 | 1.6951 |
| 0.75 | 102.0 | -0.7464 | 1.314 |
| 0.75 | 114.0 | -0.44 | 1.1027 |
| 0.75 | 126.0 | 0.1205 | 1.0965 |
| 0.75 | 138.0 | 1.0755 | 1.6364 |
| 0.75 | 222.0 | -2.8282 | 1.533 |
| 0.75 | 234.0 | -0.4328 | 1.0667 |
| 0.75 | 246.0 | 0.0549 | 1.0593 |
| 0.75 | 258.0 | -0.8339 | 0.9861 |
| 0.75 | 270.0 | 1.5754 | 0.9461 |
| 0.75 | 282.0 | -0.3695 | 0.9884 |
| 0.75 | 294.0 | 0.2437 | 1.5407 |
| 0.85 | 90.0 | -0.4284 | 2.0512 |
| 0.85 | 102.0 | -2.5779 | 1.3701 |
| 0.85 | 114.0 | 1.4815 | 1.3578 |
| 0.85 | 126.0 | -0.6888 | 1.35 |
| 0.85 | 138.0 | 1.8895 | 1.4783 |
| 0.85 | 150.0 | 0.1671 | 1.6774 |
| 0.85 | 162.0 | -1.3282 | 2.0922 |
| 0.85 | 222.0 | -2.6571 | 1.8017 |
| 0.85 | 234.0 | -0.2167 | 1.1254 |
| 0.85 | 246.0 | 0.6225 | 1.0162 |
| 0.85 | 258.0 | -0.4252 | 0.9308 |
| 0.85 | 270.0 | 1.6101 | 1.0408 |
| 0.85 | 282.0 | -1.9288 | 1.1279 |
| 0.95 | 126.0 | -3.44 | 5.2452 |
| 0.95 | 138.0 | 10.3679 | 4.3941 |
| 0.95 | 150.0 | -8.4457 | 5.4943 |
| 0.95 | 162.0 | 0.3866 | 5.7287 |
| 0.95 | 174.0 | 4.9752 | 1.0798 |
| 0.95 | 210.0 | -0.104 | 4.7671 |
| 0.95 | 222.0 | 0.873 | 4.8105 |
| 0.95 | 234.0 | 0.6593 | 3.4689 |
| 0.95 | 246.0 | 2.9473 | 3.9706 |
| 0.95 | 258.0 | 0.3701 | 3.4882 |
| 0.95 | 270.0 | 0.8139 | 3.9106 |
| 0.05 | 306.0 | 0.1062 | 0.6055 |
| 0.15 | 306.0 | 0.6637 | 0.5118 |
| 0.25 | 66.0 | -0.1668 | 0.5153 |
| 0.25 | 294.0 | 0.2167 | 0.584 |
| 0.25 | 306.0 | 0.4523 | 0.4523 |
| 0.35 | 66.0 | -0.3428 | 0.3696 |
| 0.35 | 78.0 | 0.6444 | 0.4383 |
| 0.35 | 282.0 | -0.083 | 0.6098 |
| 0.35 | 294.0 | -0.2616 | 0.4237 |
| 0.35 | 306.0 | -0.2859 | 0.4682 |
| 0.45 | 66.0 | 1.2136 | 0.4355 |
| 0.45 | 78.0 | 0.4597 | 0.3945 |
| 0.45 | 90.0 | 1.1073 | 0.5699 |
| 0.45 | 282.0 | -0.0855 | 0.5154 |
| 0.45 | 294.0 | -0.4434 | 0.4311 |
| 0.55 | 66.0 | 0.7322 | 0.5088 |
| 0.55 | 78.0 | 0.5516 | 0.4756 |
| 0.55 | 90.0 | 0.4757 | 0.5275 |
| 0.55 | 258.0 | -0.9367 | 0.5599 |
| 0.55 | 270.0 | -0.9106 | 0.5009 |
| 0.55 | 282.0 | -0.1475 | 0.4608 |
| 0.55 | 294.0 | 0.3262 | 0.5196 |
| 0.65 | 78.0 | 0.6172 | 0.5102 |
| 0.65 | 90.0 | 0.247 | 0.5546 |
| 0.65 | 102.0 | -0.3979 | 0.5565 |
| 0.65 | 114.0 | 0.3896 | 0.5401 |
| 0.65 | 246.0 | 0.4315 | 0.5277 |
| 0.65 | 258.0 | -0.1828 | 0.4537 |
| 0.65 | 270.0 | 0.664 | 0.4229 |
| 0.65 | 282.0 | -0.6991 | 0.4833 |
| 0.75 | 78.0 | -0.3963 | 0.7179 |
| 0.75 | 90.0 | -0.6118 | 0.5161 |
| 0.75 | 102.0 | -0.0053 | 0.4398 |
| 0.75 | 114.0 | 0.0513 | 0.4198 |
| 0.75 | 126.0 | -0.0943 | 0.5071 |
| 0.75 | 222.0 | -0.1247 | 0.7111 |
| 0.75 | 234.0 | 0.2432 | 0.4945 |
| 0.75 | 246.0 | 0.3673 | 0.4612 |
| 0.75 | 258.0 | 0.3339 | 0.427 |
| 0.75 | 270.0 | -0.2479 | 0.4871 |
| 0.75 | 282.0 | -0.2414 | 0.4987 |
| 0.85 | 90.0 | -0.3177 | 0.7199 |
| 0.85 | 102.0 | 0.5946 | 0.4673 |
| 0.85 | 114.0 | -0.1662 | 0.4184 |
| 0.85 | 126.0 | 0.4072 | 0.4688 |
| 0.85 | 138.0 | 0.9148 | 0.4774 |
| 0.85 | 150.0 | 0.4254 | 0.6362 |
| 0.85 | 162.0 | 0.2802 | 0.6356 |
| 0.85 | 198.0 | 1.1092 | 0.8459 |
| 0.85 | 222.0 | 0.4769 | 0.6677 |
| 0.85 | 234.0 | -0.9172 | 0.5217 |
| 0.85 | 246.0 | -0.4274 | 0.4251 |
| 0.85 | 258.0 | 0.1421 | 0.4199 |
| 0.85 | 270.0 | -0.1956 | 0.4098 |
| 0.85 | 282.0 | 1.1171 | 0.5171 |
| 0.95 | 114.0 | -0.001 | 1.0396 |
| 0.95 | 126.0 | 1.0659 | 0.9321 |
| 0.95 | 138.0 | 0.7728 | 1.121 |
| 0.95 | 150.0 | 1.019 | 1.2626 |
| 0.95 | 162.0 | 1.6268 | 1.1565 |
| 0.95 | 174.0 | -3.6864 | 3.6864 |
| 0.95 | 210.0 | 1.4267 | 1.0421 |
| 0.95 | 222.0 | 0.5422 | 1.3037 |
| 0.95 | 234.0 | 0.6277 | 0.8831 |
| 0.95 | 246.0 | -0.5762 | 0.8707 |
| 0.95 | 258.0 | 1.6135 | 0.8299 |
| 0.95 | 270.0 | 2.2296 | 0.8164 |
Experiment comment: