Measurement E151M3535
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2401 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8938 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 282.0 | 0.023 | 0.2615 |
| 0.45 | 90.0 | 0.1142 | 0.2698 |
| 0.45 | 102.0 | -0.0506 | 0.2557 |
| 0.45 | 114.0 | 0.2185 | 0.2471 |
| 0.45 | 270.0 | 0.1132 | 0.2603 |
| 0.45 | 282.0 | 0.1967 | 0.2042 |
| 0.55 | 90.0 | -0.2291 | 0.234 |
| 0.55 | 102.0 | 0.2649 | 0.2204 |
| 0.55 | 114.0 | -0.1974 | 0.2053 |
| 0.65 | 90.0 | -0.3404 | 0.2354 |
| 0.65 | 102.0 | 0.6051 | 0.1709 |
| 0.65 | 114.0 | 0.0719 | 0.2083 |
| 0.65 | 126.0 | -0.5644 | 0.2309 |
| 0.65 | 138.0 | 0.143 | 0.2597 |
| 0.65 | 210.0 | 0.1062 | 0.2507 |
| 0.65 | 222.0 | -0.008 | 0.2505 |
| 0.65 | 234.0 | -0.4624 | 0.2381 |
| 0.65 | 246.0 | 0.2964 | 0.2216 |
| 0.65 | 258.0 | -0.0284 | 0.2903 |
| 0.65 | 294.0 | -0.0444 | 0.205 |
| 0.65 | 306.0 | 0.0464 | 0.2465 |
| 0.75 | 66.0 | 0.1687 | 0.2145 |
| 0.75 | 78.0 | 0.0721 | 0.2568 |
| 0.75 | 90.0 | 0.3019 | 0.2055 |
| 0.75 | 102.0 | 0.4219 | 0.1959 |
| 0.75 | 114.0 | 0.1718 | 0.173 |
| 0.75 | 126.0 | 0.2887 | 0.2407 |
| 0.75 | 138.0 | -0.0622 | 0.2496 |
| 0.75 | 186.0 | 0.4251 | 0.2515 |
| 0.75 | 198.0 | 0.1757 | 0.2374 |
| 0.75 | 210.0 | -0.0908 | 0.2145 |
| 0.75 | 222.0 | 0.0645 | 0.2115 |
| 0.75 | 234.0 | -0.1821 | 0.1939 |
| 0.75 | 246.0 | 0.124 | 0.2109 |
| 0.75 | 258.0 | 0.1453 | 0.2878 |
| 0.75 | 294.0 | 0.0321 | 0.2802 |
| 0.85 | 54.0 | 0.3261 | 0.241 |
| 0.85 | 66.0 | 0.1482 | 0.1647 |
| 0.85 | 78.0 | -0.1566 | 0.1843 |
| 0.85 | 90.0 | 0.1901 | 0.227 |
| 0.85 | 102.0 | 0.188 | 0.2708 |
| 0.85 | 114.0 | -0.0143 | 0.2019 |
| 0.85 | 126.0 | 0.056 | 0.2497 |
| 0.85 | 186.0 | -0.3266 | 0.2188 |
| 0.85 | 198.0 | 0.0563 | 0.2365 |
| 0.85 | 210.0 | 0.2043 | 0.2027 |
| 0.85 | 222.0 | -0.4614 | 0.172 |
| 0.85 | 234.0 | 0.1257 | 0.1872 |
| 0.85 | 246.0 | 0.1364 | 0.1831 |
| 0.85 | 258.0 | -0.1814 | 0.1795 |
| 0.85 | 270.0 | -0.2367 | 0.1756 |
| 0.85 | 282.0 | 0.1803 | 0.2072 |
| 0.95 | 66.0 | -0.2699 | 0.2621 |
| 0.95 | 78.0 | -0.1974 | 0.2583 |
| 0.95 | 90.0 | 0.2814 | 0.2683 |
| 0.95 | 198.0 | 0.0922 | 0.2511 |
| 0.95 | 210.0 | -0.0868 | 0.2268 |
| 0.95 | 222.0 | -0.0232 | 0.228 |
| 0.95 | 234.0 | -0.2134 | 0.1869 |
| 0.95 | 246.0 | -0.3854 | 0.168 |
| 0.95 | 258.0 | -0.158 | 0.196 |
| 0.95 | 270.0 | 0.2448 | 0.1896 |
| 0.95 | 282.0 | -0.0352 | 0.1775 |
| 0.95 | 294.0 | -0.3238 | 0.1677 |
| 0.95 | 306.0 | -0.2089 | 0.2014 |
Experiment comment: