Measurement E151M2685
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2711 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.9187 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 42.0 | -0.3216 | 0.1937 |
| 0.25 | 30.0 | -0.0789 | 0.3894 |
| 0.35 | 42.0 | -0.2327 | 0.347 |
| 0.45 | 270.0 | -0.471 | 0.3825 |
| 0.55 | 258.0 | -0.3725 | 0.2632 |
| 0.55 | 270.0 | -0.247 | 0.2616 |
| 0.55 | 282.0 | -0.2349 | 0.2754 |
| 0.65 | 234.0 | 0.4509 | 0.3514 |
| 0.65 | 246.0 | 0.5114 | 0.2173 |
| 0.65 | 258.0 | 0.1217 | 0.2205 |
| 0.65 | 270.0 | 0.2199 | 0.2278 |
| 0.65 | 282.0 | 0.2559 | 0.2831 |
| 0.75 | 114.0 | 0.3188 | 0.3497 |
| 0.75 | 126.0 | 0.2092 | 0.2919 |
| 0.75 | 138.0 | 0.1506 | 0.31 |
| 0.75 | 150.0 | 0.4898 | 0.2805 |
| 0.75 | 162.0 | -0.5493 | 0.2607 |
| 0.75 | 222.0 | 0.0128 | 0.4132 |
| 0.75 | 234.0 | -0.575 | 0.2381 |
| 0.75 | 246.0 | 0.0718 | 0.2173 |
| 0.75 | 258.0 | 0.0312 | 0.2165 |
| 0.75 | 270.0 | -0.3268 | 0.1962 |
| 0.75 | 282.0 | -0.4575 | 0.2214 |
| 0.85 | 114.0 | -0.4753 | 0.2872 |
| 0.85 | 126.0 | 0.2271 | 0.2321 |
| 0.85 | 138.0 | -0.1271 | 0.2511 |
| 0.85 | 150.0 | 0.1466 | 0.264 |
| 0.85 | 162.0 | -0.185 | 0.3013 |
| 0.85 | 174.0 | -0.3157 | 0.26 |
| 0.85 | 186.0 | -0.2534 | 0.3201 |
| 0.85 | 198.0 | 0.0059 | 0.3646 |
| 0.85 | 210.0 | -0.3651 | 0.2789 |
| 0.85 | 222.0 | -0.5375 | 0.2456 |
| 0.85 | 234.0 | -0.6757 | 0.147 |
| 0.85 | 246.0 | -0.1704 | 0.2255 |
| 0.85 | 258.0 | 0.1244 | 0.2364 |
| 0.85 | 270.0 | -0.1195 | 0.2295 |
| 0.85 | 282.0 | 0.3178 | 0.2151 |
| 0.95 | 114.0 | -0.0102 | 0.3409 |
| 0.95 | 126.0 | 0.1489 | 0.3957 |
| 0.95 | 138.0 | 0.6251 | 0.2333 |
| 0.95 | 150.0 | 0.286 | 0.339 |
| 0.95 | 174.0 | -0.7973 | 0.1692 |
| 0.95 | 186.0 | 0.0354 | 0.3868 |
| 0.95 | 234.0 | 0.3821 | 0.3488 |
| 0.95 | 246.0 | -0.341 | 0.3208 |
| 0.95 | 258.0 | -0.0958 | 0.3675 |
| 0.15 | 54.0 | 0.1367 | 0.2421 |
| 0.25 | 30.0 | 0.4676 | 0.2584 |
| 0.45 | 270.0 | -0.6312 | 0.2071 |
| 0.45 | 282.0 | -0.2773 | 0.2722 |
| 0.55 | 258.0 | -0.1835 | 0.2017 |
| 0.55 | 270.0 | -0.3641 | 0.1743 |
| 0.55 | 282.0 | 0.1238 | 0.2199 |
| 0.65 | 234.0 | 0.3662 | 0.2488 |
| 0.65 | 246.0 | -0.3402 | 0.1823 |
| 0.65 | 258.0 | 0.0041 | 0.1472 |
| 0.65 | 270.0 | 0.0671 | 0.1531 |
| 0.65 | 282.0 | -0.1793 | 0.1884 |
| 0.75 | 114.0 | -0.1149 | 0.2539 |
| 0.75 | 126.0 | -0.1464 | 0.2101 |
| 0.75 | 138.0 | 0.0235 | 0.204 |
| 0.75 | 150.0 | 0.0483 | 0.2584 |
| 0.75 | 162.0 | 0.3061 | 0.256 |
| 0.75 | 222.0 | -0.4019 | 0.2435 |
| 0.75 | 234.0 | 0.0017 | 0.1959 |
| 0.75 | 246.0 | 0.012 | 0.1822 |
| 0.75 | 258.0 | -0.0243 | 0.1471 |
| 0.75 | 270.0 | 0.1075 | 0.1674 |
| 0.75 | 282.0 | 0.4939 | 0.2015 |
| 0.85 | 114.0 | -0.1418 | 0.1826 |
| 0.85 | 126.0 | 0.1997 | 0.1695 |
| 0.85 | 138.0 | 0.066 | 0.1624 |
| 0.85 | 150.0 | -0.0665 | 0.1607 |
| 0.85 | 162.0 | 0.4199 | 0.1802 |
| 0.85 | 174.0 | -0.0358 | 0.2134 |
| 0.85 | 186.0 | -0.045 | 0.2591 |
| 0.85 | 210.0 | 0.0196 | 0.29 |
| 0.85 | 222.0 | -0.0369 | 0.2455 |
| 0.85 | 234.0 | -0.1688 | 0.2107 |
| 0.85 | 246.0 | -0.4131 | 0.1709 |
| 0.85 | 258.0 | 0.1192 | 0.1518 |
| 0.85 | 270.0 | 0.1437 | 0.1531 |
| 0.85 | 282.0 | -0.1076 | 0.1805 |
| 0.95 | 102.0 | -0.2437 | 0.2705 |
| 0.95 | 114.0 | 0.1446 | 0.2368 |
| 0.95 | 138.0 | -0.1426 | 0.216 |
| 0.95 | 150.0 | -0.0986 | 0.2582 |
| 0.95 | 162.0 | -0.125 | 0.2298 |
| 0.95 | 174.0 | 0.0965 | 0.2332 |
| 0.95 | 246.0 | 0.1365 | 0.2477 |
| 0.95 | 258.0 | -0.1772 | 0.2846 |
Experiment comment: