Measurement E151M3522
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2679 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9032 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 294.0 | 0.4823 | 0.2579 |
| 0.35 | 270.0 | 0.2562 | 0.2299 |
| 0.35 | 294.0 | 0.14 | 0.2461 |
| 0.45 | 102.0 | 0.3385 | 0.2361 |
| 0.45 | 282.0 | 0.2846 | 0.2537 |
| 0.55 | 90.0 | 0.5963 | 0.1793 |
| 0.55 | 102.0 | -0.1994 | 0.2059 |
| 0.55 | 114.0 | -0.1566 | 0.2089 |
| 0.55 | 126.0 | 0.1641 | 0.2922 |
| 0.55 | 282.0 | 0.1771 | 0.2517 |
| 0.55 | 306.0 | 0.1462 | 0.2208 |
| 0.65 | 78.0 | -0.1708 | 0.2618 |
| 0.65 | 90.0 | 0.1652 | 0.1885 |
| 0.65 | 102.0 | 0.0211 | 0.1611 |
| 0.65 | 114.0 | -0.4038 | 0.1613 |
| 0.65 | 126.0 | -0.2478 | 0.2157 |
| 0.65 | 210.0 | -0.4564 | 0.244 |
| 0.65 | 222.0 | 0.0161 | 0.2595 |
| 0.65 | 234.0 | -0.3243 | 0.1923 |
| 0.65 | 246.0 | -0.3376 | 0.2161 |
| 0.65 | 294.0 | 0.118 | 0.2302 |
| 0.65 | 306.0 | -0.2752 | 0.2287 |
| 0.75 | 66.0 | 0.1837 | 0.1931 |
| 0.75 | 78.0 | 0.2346 | 0.2307 |
| 0.75 | 90.0 | -0.0299 | 0.2174 |
| 0.75 | 102.0 | 0.0463 | 0.1864 |
| 0.75 | 114.0 | 0.2212 | 0.1771 |
| 0.75 | 126.0 | -0.1647 | 0.2053 |
| 0.75 | 138.0 | -0.1446 | 0.2556 |
| 0.75 | 198.0 | 0.1696 | 0.2239 |
| 0.75 | 210.0 | 0.3432 | 0.2234 |
| 0.75 | 222.0 | -0.4222 | 0.1637 |
| 0.75 | 234.0 | 0.0741 | 0.1658 |
| 0.75 | 246.0 | 0.1113 | 0.2012 |
| 0.75 | 258.0 | 0.1542 | 0.224 |
| 0.75 | 270.0 | -0.171 | 0.2445 |
| 0.75 | 294.0 | -0.1376 | 0.2517 |
| 0.85 | 54.0 | 0.1581 | 0.2521 |
| 0.85 | 66.0 | 0.1525 | 0.1535 |
| 0.85 | 78.0 | 0.464 | 0.1583 |
| 0.85 | 102.0 | -0.4855 | 0.2095 |
| 0.85 | 114.0 | 0.2334 | 0.1619 |
| 0.85 | 126.0 | -0.1186 | 0.2169 |
| 0.85 | 138.0 | 0.1183 | 0.259 |
| 0.85 | 186.0 | 0.3682 | 0.2551 |
| 0.85 | 198.0 | -0.1701 | 0.188 |
| 0.85 | 210.0 | -0.231 | 0.1812 |
| 0.85 | 222.0 | 0.0703 | 0.1762 |
| 0.85 | 234.0 | -0.2031 | 0.1535 |
| 0.85 | 246.0 | -0.0079 | 0.1468 |
| 0.85 | 258.0 | -0.0946 | 0.1381 |
| 0.85 | 270.0 | 0.2098 | 0.1664 |
| 0.85 | 282.0 | -0.1377 | 0.2404 |
| 0.85 | 294.0 | -0.2612 | 0.2393 |
| 0.95 | 66.0 | -0.1168 | 0.2381 |
| 0.95 | 78.0 | -0.1543 | 0.2221 |
| 0.95 | 90.0 | -0.3957 | 0.2505 |
| 0.95 | 174.0 | 0.0192 | 0.2807 |
| 0.95 | 186.0 | 0.2182 | 0.24 |
| 0.95 | 198.0 | 0.0097 | 0.2229 |
| 0.95 | 210.0 | 0.2289 | 0.1921 |
| 0.95 | 222.0 | 0.2708 | 0.1856 |
| 0.95 | 234.0 | -0.1084 | 0.162 |
| 0.95 | 246.0 | 0.1707 | 0.1844 |
| 0.95 | 258.0 | 0.2294 | 0.1655 |
| 0.95 | 270.0 | 0.2274 | 0.1614 |
| 0.95 | 282.0 | -0.2225 | 0.1459 |
| 0.95 | 294.0 | -0.0041 | 0.1471 |
| 0.95 | 306.0 | 0.0457 | 0.1774 |
| 0.95 | 318.0 | -0.1576 | 0.2285 |
Experiment comment: