Measurement E151M2779
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0753 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.822 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 30.0 | -0.3286 | 0.2826 |
| 0.35 | 42.0 | 0.5405 | 0.2546 |
| 0.45 | 18.0 | 0.5219 | 0.2315 |
| 0.45 | 30.0 | 0.0767 | 0.3338 |
| 0.45 | 42.0 | -0.1447 | 0.3717 |
| 0.55 | 30.0 | -0.175 | 0.3781 |
| 0.55 | 126.0 | 0.3942 | 0.3342 |
| 0.55 | 138.0 | 0.5901 | 0.2229 |
| 0.55 | 222.0 | 0.2903 | 0.293 |
| 0.55 | 234.0 | -0.7351 | 0.1945 |
| 0.55 | 246.0 | 0.0564 | 0.2642 |
| 0.55 | 258.0 | -0.8351 | 0.1856 |
| 0.65 | 114.0 | 0.7573 | 0.173 |
| 0.65 | 126.0 | -0.0683 | 0.2685 |
| 0.65 | 138.0 | -0.0591 | 0.2849 |
| 0.65 | 150.0 | 0.4134 | 0.2782 |
| 0.65 | 210.0 | 0.6804 | 0.2145 |
| 0.65 | 222.0 | -0.3751 | 0.2547 |
| 0.65 | 234.0 | -0.218 | 0.2278 |
| 0.65 | 246.0 | 0.475 | 0.2192 |
| 0.65 | 258.0 | -0.3239 | 0.346 |
| 0.75 | 114.0 | 0.1834 | 0.3601 |
| 0.75 | 126.0 | 0.1487 | 0.2838 |
| 0.75 | 138.0 | 0.3283 | 0.2873 |
| 0.75 | 150.0 | 0.4224 | 0.296 |
| 0.75 | 162.0 | 0.0202 | 0.3878 |
| 0.75 | 210.0 | 0.1725 | 0.3242 |
| 0.75 | 222.0 | 0.3913 | 0.2739 |
| 0.75 | 234.0 | -0.1723 | 0.2583 |
| 0.75 | 246.0 | -0.6164 | 0.1507 |
| 0.75 | 258.0 | 0.1634 | 0.2788 |
| 0.85 | 114.0 | -0.1037 | 0.3347 |
| 0.85 | 126.0 | 0.2459 | 0.3359 |
| 0.85 | 138.0 | 0.3538 | 0.2901 |
| 0.85 | 222.0 | -0.281 | 0.2588 |
| 0.85 | 234.0 | -0.0847 | 0.2434 |
| 0.85 | 246.0 | -0.5067 | 0.1863 |
| 0.85 | 258.0 | 0.0588 | 0.2908 |
| 0.85 | 270.0 | 0.0352 | 0.3643 |
| 0.95 | 222.0 | 0.1507 | 0.3611 |
| 0.95 | 234.0 | 0.0262 | 0.3102 |
| 0.95 | 246.0 | 0.1239 | 0.3592 |
| 0.95 | 258.0 | -0.493 | 0.2858 |
| 0.25 | 42.0 | -0.1075 | 0.2268 |
| 0.35 | 30.0 | -0.0501 | 0.2455 |
| 0.45 | 30.0 | -0.3231 | 0.196 |
| 0.45 | 42.0 | 0.2959 | 0.2136 |
| 0.55 | 30.0 | 0.3441 | 0.2691 |
| 0.55 | 42.0 | 0.4365 | 0.2162 |
| 0.55 | 126.0 | -0.4888 | 0.1964 |
| 0.55 | 138.0 | -0.0059 | 0.2391 |
| 0.55 | 150.0 | 0.2283 | 0.2298 |
| 0.55 | 234.0 | 0.2969 | 0.1922 |
| 0.55 | 246.0 | -0.068 | 0.233 |
| 0.55 | 258.0 | -0.1892 | 0.2809 |
| 0.65 | 126.0 | 0.0765 | 0.1858 |
| 0.65 | 138.0 | -0.0498 | 0.1798 |
| 0.65 | 150.0 | 0.2471 | 0.1966 |
| 0.65 | 162.0 | -0.2939 | 0.2294 |
| 0.65 | 186.0 | -0.0957 | 0.2791 |
| 0.65 | 210.0 | 0.2734 | 0.2512 |
| 0.65 | 222.0 | 0.0809 | 0.2235 |
| 0.65 | 234.0 | -0.2125 | 0.1647 |
| 0.65 | 246.0 | 0.1789 | 0.1665 |
| 0.65 | 258.0 | 0.0251 | 0.2114 |
| 0.75 | 126.0 | 0.0549 | 0.191 |
| 0.75 | 138.0 | 0.3836 | 0.1801 |
| 0.75 | 150.0 | -0.2664 | 0.2185 |
| 0.75 | 162.0 | 0.6212 | 0.2142 |
| 0.75 | 210.0 | 0.2103 | 0.2551 |
| 0.75 | 222.0 | -0.3182 | 0.2049 |
| 0.75 | 234.0 | -0.1915 | 0.1736 |
| 0.75 | 246.0 | 0.0717 | 0.167 |
| 0.75 | 258.0 | -0.1255 | 0.2117 |
| 0.85 | 126.0 | -0.0548 | 0.2782 |
| 0.85 | 138.0 | 0.2884 | 0.2418 |
| 0.85 | 210.0 | 0.1962 | 0.2527 |
| 0.85 | 222.0 | 0.0175 | 0.1705 |
| 0.85 | 234.0 | -0.1078 | 0.1902 |
| 0.85 | 246.0 | -0.3565 | 0.1829 |
| 0.85 | 258.0 | 0.168 | 0.1927 |
| 0.85 | 270.0 | -0.0394 | 0.2587 |
| 0.95 | 114.0 | 0.1623 | 0.2536 |
| 0.95 | 126.0 | 0.3071 | 0.2479 |
| 0.95 | 246.0 | -0.1372 | 0.2019 |
| 0.95 | 258.0 | 0.1249 | 0.2575 |
Experiment comment: