Measurement E151M2946
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2004 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9621 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | 0.1034 | 0.2317 |
| 0.25 | 78.0 | 0.2808 | 0.2769 |
| 0.25 | 294.0 | 0.1289 | 0.2116 |
| 0.25 | 306.0 | -0.0576 | 0.2092 |
| 0.25 | 318.0 | -0.2866 | 0.2308 |
| 0.35 | 66.0 | 0.3359 | 0.1734 |
| 0.35 | 78.0 | -0.1971 | 0.184 |
| 0.35 | 282.0 | 0.1196 | 0.2707 |
| 0.35 | 294.0 | -0.4954 | 0.1901 |
| 0.35 | 306.0 | 0.0936 | 0.1769 |
| 0.45 | 66.0 | 0.1157 | 0.1713 |
| 0.45 | 78.0 | -0.181 | 0.1357 |
| 0.45 | 90.0 | -0.0966 | 0.1771 |
| 0.45 | 282.0 | -0.1114 | 0.194 |
| 0.45 | 294.0 | -0.2681 | 0.1646 |
| 0.45 | 306.0 | -0.1023 | 0.2174 |
| 0.55 | 66.0 | 0.3856 | 0.1674 |
| 0.55 | 78.0 | -0.0859 | 0.1468 |
| 0.55 | 90.0 | 0.2353 | 0.1385 |
| 0.55 | 258.0 | 0.2752 | 0.2118 |
| 0.55 | 270.0 | 0.0303 | 0.2416 |
| 0.55 | 282.0 | -0.4444 | 0.1701 |
| 0.55 | 294.0 | -0.008 | 0.2332 |
| 0.65 | 78.0 | 0.3293 | 0.1661 |
| 0.65 | 90.0 | 0.2544 | 0.1691 |
| 0.65 | 102.0 | 0.0184 | 0.2649 |
| 0.65 | 114.0 | -0.147 | 0.2385 |
| 0.65 | 234.0 | 0.0056 | 0.1878 |
| 0.65 | 246.0 | 0.0406 | 0.191 |
| 0.65 | 258.0 | -0.1711 | 0.138 |
| 0.65 | 270.0 | -0.2521 | 0.1566 |
| 0.65 | 282.0 | 0.1964 | 0.2619 |
| 0.75 | 90.0 | 0.0257 | 0.2549 |
| 0.75 | 102.0 | 0.3798 | 0.2397 |
| 0.75 | 114.0 | 0.1831 | 0.1822 |
| 0.75 | 126.0 | -0.195 | 0.1585 |
| 0.75 | 138.0 | 0.031 | 0.1651 |
| 0.75 | 150.0 | 0.1716 | 0.2095 |
| 0.75 | 162.0 | -0.1271 | 0.2369 |
| 0.75 | 222.0 | -0.5211 | 0.1727 |
| 0.75 | 234.0 | 0.0659 | 0.1652 |
| 0.75 | 246.0 | 0.1057 | 0.1235 |
| 0.75 | 258.0 | 0.0931 | 0.1308 |
| 0.75 | 270.0 | 0.2935 | 0.1667 |
| 0.85 | 102.0 | 0.2255 | 0.2592 |
| 0.85 | 114.0 | 0.0535 | 0.1755 |
| 0.85 | 126.0 | 0.1585 | 0.1557 |
| 0.85 | 138.0 | 0.198 | 0.1591 |
| 0.85 | 150.0 | 0.2087 | 0.1683 |
| 0.85 | 162.0 | -0.0964 | 0.1927 |
| 0.85 | 198.0 | -0.2231 | 0.2622 |
| 0.85 | 210.0 | 0.3564 | 0.1897 |
| 0.85 | 222.0 | 0.2269 | 0.152 |
| 0.85 | 234.0 | -0.1694 | 0.1532 |
| 0.85 | 246.0 | 0.0705 | 0.1484 |
| 0.85 | 258.0 | -0.1734 | 0.1403 |
| 0.85 | 270.0 | -0.2174 | 0.2098 |
| 0.95 | 126.0 | 0.1199 | 0.2621 |
| 0.95 | 138.0 | -0.1091 | 0.2623 |
| 0.95 | 150.0 | -0.0948 | 0.2596 |
| 0.95 | 162.0 | -0.0445 | 0.2507 |
| 0.95 | 174.0 | -0.0207 | 0.2677 |
| 0.95 | 186.0 | -0.1369 | 0.2728 |
| 0.95 | 222.0 | -0.0465 | 0.2783 |
| 0.95 | 234.0 | -0.2516 | 0.2539 |
Experiment comment: