Measurement E151M2932
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2851 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9664 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | -0.0365 | 0.2295 |
| 0.25 | 78.0 | 0.0512 | 0.2737 |
| 0.25 | 294.0 | -0.2119 | 0.2382 |
| 0.25 | 306.0 | 0.166 | 0.2 |
| 0.35 | 66.0 | 0.0465 | 0.1771 |
| 0.35 | 78.0 | -0.0953 | 0.1482 |
| 0.35 | 294.0 | 0.0847 | 0.1859 |
| 0.35 | 306.0 | 0.1224 | 0.2079 |
| 0.45 | 66.0 | -0.1691 | 0.1791 |
| 0.45 | 78.0 | 0.03 | 0.1216 |
| 0.45 | 90.0 | 0.1516 | 0.1607 |
| 0.45 | 270.0 | -0.5178 | 0.2314 |
| 0.45 | 282.0 | 0.0714 | 0.2086 |
| 0.45 | 294.0 | 0.2576 | 0.2137 |
| 0.55 | 66.0 | -0.0069 | 0.2908 |
| 0.55 | 78.0 | 0.109 | 0.1359 |
| 0.55 | 90.0 | 0.2799 | 0.1296 |
| 0.55 | 102.0 | 0.2134 | 0.2265 |
| 0.55 | 258.0 | -0.3593 | 0.1679 |
| 0.55 | 270.0 | -0.158 | 0.1717 |
| 0.55 | 282.0 | 0.0204 | 0.1807 |
| 0.55 | 294.0 | -0.1129 | 0.3003 |
| 0.65 | 78.0 | -0.0049 | 0.191 |
| 0.65 | 90.0 | 0.2034 | 0.156 |
| 0.65 | 102.0 | -0.2693 | 0.218 |
| 0.65 | 114.0 | 0.0395 | 0.2275 |
| 0.65 | 234.0 | 0.42 | 0.2241 |
| 0.65 | 246.0 | -0.3413 | 0.1534 |
| 0.65 | 258.0 | 0.0981 | 0.1383 |
| 0.65 | 270.0 | -0.2601 | 0.1425 |
| 0.65 | 282.0 | 0.2467 | 0.1869 |
| 0.75 | 90.0 | -0.2674 | 0.2418 |
| 0.75 | 102.0 | 0.0749 | 0.2125 |
| 0.75 | 114.0 | -0.0037 | 0.1739 |
| 0.75 | 126.0 | 0.2447 | 0.153 |
| 0.75 | 138.0 | 0.0158 | 0.1543 |
| 0.75 | 150.0 | 0.53 | 0.1823 |
| 0.75 | 222.0 | -0.4401 | 0.2191 |
| 0.75 | 234.0 | -0.0955 | 0.1661 |
| 0.75 | 246.0 | 0.1146 | 0.1418 |
| 0.75 | 258.0 | -0.0746 | 0.1259 |
| 0.75 | 270.0 | -0.0222 | 0.152 |
| 0.75 | 282.0 | -0.1923 | 0.2519 |
| 0.85 | 102.0 | -0.0599 | 0.2329 |
| 0.85 | 114.0 | -0.0425 | 0.1514 |
| 0.85 | 126.0 | 0.1119 | 0.136 |
| 0.85 | 138.0 | -0.1783 | 0.1416 |
| 0.85 | 150.0 | -0.1367 | 0.1543 |
| 0.85 | 162.0 | -0.1998 | 0.1809 |
| 0.85 | 174.0 | 0.3161 | 0.1793 |
| 0.85 | 186.0 | 0.2234 | 0.239 |
| 0.85 | 198.0 | 0.0196 | 0.2872 |
| 0.85 | 210.0 | -0.3069 | 0.2657 |
| 0.85 | 222.0 | -0.2526 | 0.1728 |
| 0.85 | 234.0 | 0.0967 | 0.1662 |
| 0.85 | 246.0 | 0.0957 | 0.1395 |
| 0.85 | 258.0 | -0.2741 | 0.1367 |
| 0.85 | 270.0 | 0.2178 | 0.2199 |
| 0.95 | 126.0 | 0.0673 | 0.2264 |
| 0.95 | 138.0 | 0.332 | 0.1863 |
| 0.95 | 150.0 | 0.1305 | 0.1952 |
| 0.95 | 162.0 | 0.3095 | 0.1752 |
| 0.95 | 174.0 | -0.0144 | 0.2082 |
| 0.95 | 186.0 | -0.0095 | 0.2505 |
| 0.95 | 222.0 | 0.4088 | 0.2278 |
| 0.95 | 234.0 | 0.1801 | 0.2532 |
Experiment comment: