Measurement E151M2935
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4406 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9583 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.1686 | 0.2187 |
| 0.25 | 78.0 | -0.2696 | 0.2369 |
| 0.25 | 294.0 | -0.3251 | 0.245 |
| 0.25 | 306.0 | 0.1287 | 0.2383 |
| 0.35 | 66.0 | 0.0628 | 0.1616 |
| 0.35 | 78.0 | 0.3092 | 0.1758 |
| 0.35 | 294.0 | -0.0686 | 0.2806 |
| 0.45 | 66.0 | 0.0071 | 0.174 |
| 0.45 | 78.0 | -0.0074 | 0.1462 |
| 0.45 | 90.0 | 0.0585 | 0.2522 |
| 0.45 | 282.0 | -0.2554 | 0.2258 |
| 0.55 | 66.0 | 0.1024 | 0.2363 |
| 0.55 | 78.0 | 0.1578 | 0.1496 |
| 0.55 | 90.0 | 0.2566 | 0.193 |
| 0.55 | 258.0 | 0.0752 | 0.2732 |
| 0.55 | 270.0 | 0.0996 | 0.1889 |
| 0.55 | 282.0 | 0.1235 | 0.1854 |
| 0.65 | 78.0 | 0.0976 | 0.1859 |
| 0.65 | 90.0 | -0.2457 | 0.2123 |
| 0.65 | 102.0 | -0.0383 | 0.245 |
| 0.65 | 258.0 | -0.0723 | 0.1495 |
| 0.65 | 270.0 | -0.1536 | 0.1437 |
| 0.65 | 282.0 | -0.1709 | 0.1808 |
| 0.75 | 90.0 | -0.2074 | 0.2198 |
| 0.75 | 102.0 | 0.3054 | 0.2182 |
| 0.75 | 114.0 | -0.0581 | 0.1883 |
| 0.75 | 126.0 | 0.1144 | 0.1913 |
| 0.75 | 138.0 | 0.1556 | 0.2866 |
| 0.75 | 234.0 | -0.0986 | 0.224 |
| 0.75 | 246.0 | -0.0528 | 0.1856 |
| 0.75 | 258.0 | -0.1209 | 0.1463 |
| 0.75 | 270.0 | 0.1371 | 0.1347 |
| 0.75 | 282.0 | 0.1495 | 0.1708 |
| 0.85 | 90.0 | 0.2009 | 0.2492 |
| 0.85 | 102.0 | -0.0886 | 0.1544 |
| 0.85 | 114.0 | 0.0685 | 0.1308 |
| 0.85 | 126.0 | 0.0681 | 0.1492 |
| 0.85 | 138.0 | 0.0942 | 0.1567 |
| 0.85 | 150.0 | 0.0622 | 0.1584 |
| 0.85 | 162.0 | -0.4212 | 0.2194 |
| 0.85 | 174.0 | 0.3646 | 0.2519 |
| 0.85 | 222.0 | 0.018 | 0.2319 |
| 0.85 | 234.0 | -0.6455 | 0.152 |
| 0.85 | 246.0 | -0.0353 | 0.1512 |
| 0.85 | 258.0 | 0.0021 | 0.1386 |
| 0.85 | 270.0 | 0.0148 | 0.1456 |
| 0.95 | 102.0 | -0.1169 | 0.2586 |
| 0.95 | 114.0 | 0.0615 | 0.1939 |
| 0.95 | 126.0 | 0.2956 | 0.1623 |
| 0.95 | 138.0 | 0.2852 | 0.146 |
| 0.95 | 150.0 | 0.3032 | 0.1693 |
| 0.95 | 162.0 | 0.1125 | 0.1819 |
| 0.95 | 174.0 | 0.1029 | 0.177 |
| 0.95 | 186.0 | -0.4166 | 0.2199 |
| 0.95 | 198.0 | 0.3143 | 0.2397 |
| 0.95 | 210.0 | -0.5171 | 0.2205 |
| 0.95 | 222.0 | 0.1109 | 0.2649 |
| 0.95 | 234.0 | 0.437 | 0.1801 |
| 0.95 | 246.0 | 0.2064 | 0.2408 |
| 0.95 | 258.0 | -0.313 | 0.2309 |
Experiment comment: