Measurement E151M2775
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0389 | |
| Q2: | 0.0171 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8349 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | 0.07 | 0.2042 |
| 0.35 | 42.0 | -0.256 | 0.1886 |
| 0.45 | 30.0 | 0.1361 | 0.2043 |
| 0.45 | 42.0 | 0.1487 | 0.2118 |
| 0.55 | 18.0 | 0.2742 | 0.2441 |
| 0.55 | 30.0 | 0.248 | 0.211 |
| 0.55 | 42.0 | -0.0529 | 0.2169 |
| 0.55 | 126.0 | 0.2147 | 0.2645 |
| 0.55 | 138.0 | 0.0811 | 0.2337 |
| 0.55 | 150.0 | 0.067 | 0.2298 |
| 0.55 | 162.0 | 0.1363 | 0.239 |
| 0.55 | 210.0 | -0.0113 | 0.2263 |
| 0.55 | 222.0 | 0.0191 | 0.2422 |
| 0.55 | 234.0 | -0.0032 | 0.1747 |
| 0.55 | 246.0 | 0.3058 | 0.2098 |
| 0.65 | 114.0 | -0.6343 | 0.2233 |
| 0.65 | 126.0 | 0.1383 | 0.1886 |
| 0.65 | 138.0 | 0.032 | 0.1909 |
| 0.65 | 150.0 | 0.3457 | 0.2436 |
| 0.65 | 162.0 | 0.1611 | 0.2599 |
| 0.65 | 210.0 | -0.3051 | 0.2012 |
| 0.65 | 222.0 | 0.1518 | 0.1784 |
| 0.65 | 234.0 | 0.18 | 0.1729 |
| 0.65 | 246.0 | -0.2685 | 0.2465 |
| 0.75 | 126.0 | -0.0896 | 0.2367 |
| 0.75 | 138.0 | 0.2207 | 0.2118 |
| 0.75 | 150.0 | -0.0647 | 0.1886 |
| 0.75 | 210.0 | 0.442 | 0.2286 |
| 0.75 | 222.0 | -0.2803 | 0.1847 |
| 0.75 | 234.0 | -0.1502 | 0.1848 |
| 0.75 | 246.0 | 0.017 | 0.1787 |
| 0.75 | 258.0 | -0.8676 | 0.1939 |
| 0.85 | 126.0 | 0.2521 | 0.2554 |
| 0.85 | 210.0 | -0.2639 | 0.1962 |
| 0.85 | 222.0 | -0.1964 | 0.1889 |
| 0.85 | 234.0 | 0.2012 | 0.1714 |
| 0.85 | 246.0 | -0.418 | 0.179 |
| 0.95 | 246.0 | 0.171 | 0.257 |
| 0.45 | 234.0 | -0.0287 | 0.4139 |
| 0.55 | 18.0 | 0.0207 | 0.3665 |
| 0.55 | 30.0 | 0.1507 | 0.3026 |
| 0.55 | 42.0 | 0.2191 | 0.3161 |
| 0.55 | 138.0 | 0.3647 | 0.3457 |
| 0.55 | 150.0 | -0.2722 | 0.2979 |
| 0.55 | 210.0 | 0.2975 | 0.3498 |
| 0.55 | 222.0 | -0.4975 | 0.2328 |
| 0.55 | 234.0 | -0.3179 | 0.2976 |
| 0.55 | 246.0 | 0.6291 | 0.1849 |
| 0.65 | 126.0 | 0.0678 | 0.306 |
| 0.65 | 138.0 | 0.263 | 0.2984 |
| 0.65 | 150.0 | 0.3804 | 0.3016 |
| 0.65 | 210.0 | 0.0745 | 0.3227 |
| 0.65 | 222.0 | 0.0799 | 0.2555 |
| 0.65 | 234.0 | -0.4384 | 0.2097 |
| 0.65 | 246.0 | 0.1647 | 0.2967 |
| 0.75 | 126.0 | -0.8253 | 0.1439 |
| 0.75 | 138.0 | -0.651 | 0.187 |
| 0.75 | 150.0 | 0.059 | 0.335 |
| 0.75 | 162.0 | 0.1154 | 0.3818 |
| 0.75 | 198.0 | -0.3182 | 0.3289 |
| 0.75 | 210.0 | -0.0439 | 0.3516 |
| 0.75 | 222.0 | -0.2476 | 0.2522 |
| 0.75 | 234.0 | -0.1167 | 0.2288 |
| 0.75 | 246.0 | -0.3661 | 0.2354 |
| 0.75 | 258.0 | 0.2233 | 0.3164 |
| 0.85 | 114.0 | -0.017 | 0.414 |
| 0.85 | 126.0 | 0.1357 | 0.3424 |
| 0.85 | 210.0 | 0.6745 | 0.1937 |
| 0.85 | 222.0 | 0.5464 | 0.2 |
| 0.85 | 234.0 | -0.4856 | 0.218 |
| 0.85 | 246.0 | -0.0168 | 0.2471 |
| 0.85 | 258.0 | 0.8342 | 0.1682 |
| 0.95 | 246.0 | 0.2312 | 0.3768 |
Experiment comment: