Measurement E151M3059
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.161 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8592 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -0.104 | 0.2629 |
| 0.25 | 66.0 | 0.1141 | 0.2291 |
| 0.25 | 78.0 | -0.0238 | 0.2621 |
| 0.25 | 282.0 | -0.2414 | 0.2162 |
| 0.25 | 294.0 | -0.1315 | 0.2066 |
| 0.35 | 66.0 | -0.1137 | 0.2035 |
| 0.35 | 78.0 | 0.429 | 0.2129 |
| 0.35 | 270.0 | -0.0878 | 0.2628 |
| 0.35 | 282.0 | 0.0393 | 0.2191 |
| 0.35 | 294.0 | 0.0058 | 0.261 |
| 0.45 | 78.0 | -0.16 | 0.233 |
| 0.45 | 90.0 | 0.2207 | 0.2798 |
| 0.45 | 270.0 | -0.3529 | 0.238 |
| 0.45 | 282.0 | 0.0001 | 0.2002 |
| 0.45 | 294.0 | 0.0478 | 0.2555 |
| 0.55 | 78.0 | -0.1915 | 0.2613 |
| 0.55 | 102.0 | 0.1305 | 0.2678 |
| 0.55 | 114.0 | -0.1744 | 0.2383 |
| 0.55 | 126.0 | 0.1349 | 0.2637 |
| 0.55 | 234.0 | 0.2773 | 0.2437 |
| 0.55 | 270.0 | -0.1155 | 0.2523 |
| 0.55 | 282.0 | -0.099 | 0.2298 |
| 0.55 | 306.0 | -0.0003 | 0.2727 |
| 0.65 | 102.0 | -0.0211 | 0.2761 |
| 0.65 | 114.0 | 0.2242 | 0.1937 |
| 0.65 | 126.0 | 0.0846 | 0.2411 |
| 0.65 | 138.0 | -0.0874 | 0.2441 |
| 0.65 | 150.0 | -0.201 | 0.2486 |
| 0.65 | 210.0 | -0.0519 | 0.237 |
| 0.65 | 222.0 | -0.2128 | 0.2425 |
| 0.65 | 234.0 | -0.0774 | 0.2156 |
| 0.65 | 246.0 | 0.1927 | 0.2341 |
| 0.65 | 258.0 | -0.2992 | 0.2575 |
| 0.65 | 270.0 | -0.0616 | 0.2895 |
| 0.65 | 294.0 | -0.3115 | 0.2294 |
| 0.65 | 306.0 | -0.267 | 0.2649 |
| 0.75 | 102.0 | 0.1815 | 0.225 |
| 0.75 | 114.0 | 0.1981 | 0.1706 |
| 0.75 | 126.0 | 0.2144 | 0.1837 |
| 0.75 | 138.0 | 0.0475 | 0.2296 |
| 0.75 | 150.0 | -0.0825 | 0.2725 |
| 0.75 | 198.0 | 0.2751 | 0.2171 |
| 0.75 | 210.0 | -0.3515 | 0.2023 |
| 0.75 | 222.0 | 0.1696 | 0.1986 |
| 0.75 | 234.0 | -0.2247 | 0.1743 |
| 0.75 | 246.0 | -0.1622 | 0.1813 |
| 0.75 | 258.0 | 0.0244 | 0.2175 |
| 0.75 | 294.0 | 0.2741 | 0.2022 |
| 0.85 | 90.0 | -0.0509 | 0.2122 |
| 0.85 | 102.0 | 0.211 | 0.2761 |
| 0.85 | 114.0 | 0.2874 | 0.2241 |
| 0.85 | 126.0 | 0.122 | 0.2547 |
| 0.85 | 138.0 | -0.3406 | 0.2218 |
| 0.85 | 198.0 | -0.2375 | 0.2533 |
| 0.85 | 210.0 | -0.2627 | 0.2277 |
| 0.85 | 222.0 | 0.0077 | 0.1982 |
| 0.85 | 234.0 | -0.2125 | 0.1787 |
| 0.85 | 246.0 | -0.0401 | 0.153 |
| 0.85 | 258.0 | -0.0624 | 0.1901 |
| 0.85 | 270.0 | -0.3159 | 0.2551 |
| 0.95 | 102.0 | -0.0355 | 0.2236 |
| 0.95 | 114.0 | 0.0582 | 0.2771 |
| 0.95 | 222.0 | 0.0869 | 0.2718 |
| 0.95 | 234.0 | -0.3557 | 0.2159 |
| 0.95 | 246.0 | 0.088 | 0.2086 |
| 0.95 | 258.0 | -0.0687 | 0.2556 |
| 0.95 | 270.0 | 0.1461 | 0.228 |
Experiment comment: