Measurement E151M3485
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.378 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9269 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.2081 | 0.2077 |
| 0.05 | 66.0 | -0.1275 | 0.2731 |
| 0.05 | 306.0 | 0.3872 | 0.2318 |
| 0.15 | 54.0 | 0.1487 | 0.2114 |
| 0.15 | 66.0 | -0.1864 | 0.1909 |
| 0.15 | 78.0 | -0.5515 | 0.1891 |
| 0.15 | 282.0 | 0.0367 | 0.2648 |
| 0.15 | 294.0 | 0.056 | 0.2469 |
| 0.25 | 54.0 | 0.0773 | 0.2208 |
| 0.25 | 66.0 | 0.4602 | 0.2013 |
| 0.25 | 78.0 | 0.2632 | 0.2054 |
| 0.25 | 282.0 | -0.2271 | 0.2259 |
| 0.25 | 294.0 | -0.367 | 0.1721 |
| 0.25 | 306.0 | 0.5616 | 0.2085 |
| 0.35 | 54.0 | -0.2371 | 0.233 |
| 0.35 | 66.0 | -0.2278 | 0.1926 |
| 0.35 | 78.0 | -0.0422 | 0.2804 |
| 0.35 | 282.0 | -0.1799 | 0.1842 |
| 0.35 | 294.0 | -0.0599 | 0.1848 |
| 0.45 | 78.0 | 0.2702 | 0.2522 |
| 0.45 | 90.0 | -0.1121 | 0.2249 |
| 0.45 | 102.0 | -0.3562 | 0.1946 |
| 0.45 | 270.0 | -0.0814 | 0.2368 |
| 0.45 | 282.0 | -0.0384 | 0.1892 |
| 0.45 | 294.0 | -0.1498 | 0.1888 |
| 0.45 | 306.0 | -0.0826 | 0.2715 |
| 0.55 | 78.0 | 0.3551 | 0.2293 |
| 0.55 | 90.0 | 0.0834 | 0.1678 |
| 0.55 | 102.0 | 0.0319 | 0.1637 |
| 0.55 | 114.0 | 0.327 | 0.1952 |
| 0.55 | 258.0 | 0.0868 | 0.2221 |
| 0.55 | 270.0 | -0.2577 | 0.2361 |
| 0.55 | 282.0 | 0.1541 | 0.2079 |
| 0.55 | 306.0 | -0.137 | 0.1867 |
| 0.65 | 78.0 | 0.0688 | 0.1629 |
| 0.65 | 90.0 | 0.07 | 0.1509 |
| 0.65 | 102.0 | 0.0311 | 0.1677 |
| 0.65 | 114.0 | 0.2066 | 0.1606 |
| 0.65 | 126.0 | -0.1091 | 0.1886 |
| 0.65 | 234.0 | -0.1073 | 0.2442 |
| 0.65 | 246.0 | -0.344 | 0.1663 |
| 0.65 | 258.0 | -0.1401 | 0.1829 |
| 0.65 | 270.0 | 0.1801 | 0.2439 |
| 0.65 | 282.0 | -0.2581 | 0.219 |
| 0.65 | 306.0 | 0.3155 | 0.2099 |
| 0.75 | 54.0 | 0.2552 | 0.2095 |
| 0.75 | 66.0 | -0.3799 | 0.168 |
| 0.75 | 78.0 | 0.1694 | 0.1831 |
| 0.75 | 90.0 | 0.2539 | 0.1344 |
| 0.75 | 102.0 | 0.0208 | 0.1525 |
| 0.75 | 114.0 | 0.0683 | 0.1479 |
| 0.75 | 126.0 | 0.1286 | 0.1787 |
| 0.75 | 138.0 | 0.1345 | 0.2743 |
| 0.75 | 210.0 | -0.0427 | 0.2523 |
| 0.75 | 222.0 | 0.0049 | 0.1938 |
| 0.75 | 234.0 | -0.1712 | 0.1447 |
| 0.75 | 246.0 | -0.2051 | 0.1505 |
| 0.75 | 258.0 | 0.1215 | 0.1602 |
| 0.75 | 270.0 | -0.1143 | 0.1805 |
| 0.75 | 282.0 | -0.1265 | 0.2017 |
| 0.85 | 54.0 | 0.0199 | 0.1771 |
| 0.85 | 66.0 | -0.1323 | 0.1595 |
| 0.85 | 78.0 | 0.1267 | 0.2567 |
| 0.85 | 90.0 | -0.1453 | 0.1645 |
| 0.85 | 102.0 | -0.0364 | 0.14 |
| 0.85 | 114.0 | 0.0283 | 0.1671 |
| 0.85 | 126.0 | 0.0371 | 0.1795 |
| 0.85 | 138.0 | 0.1124 | 0.2422 |
| 0.85 | 186.0 | 0.2437 | 0.2599 |
| 0.85 | 198.0 | -0.0018 | 0.2163 |
| 0.85 | 210.0 | -0.0313 | 0.1761 |
| 0.85 | 222.0 | -0.0595 | 0.1712 |
| 0.85 | 234.0 | -0.0237 | 0.1636 |
| 0.85 | 246.0 | 0.0541 | 0.1462 |
| 0.85 | 258.0 | -0.2561 | 0.1366 |
| 0.85 | 270.0 | -0.1559 | 0.1344 |
| 0.85 | 282.0 | -0.1377 | 0.1506 |
| 0.85 | 294.0 | 0.2298 | 0.1635 |
| 0.85 | 306.0 | -0.366 | 0.1752 |
| 0.95 | 54.0 | 0.067 | 0.2306 |
| 0.95 | 66.0 | -0.3948 | 0.2316 |
| 0.95 | 102.0 | 0.1287 | 0.2807 |
| 0.95 | 114.0 | -0.0057 | 0.2691 |
| 0.95 | 126.0 | 0.3752 | 0.2546 |
| 0.95 | 162.0 | -0.2726 | 0.2693 |
| 0.95 | 186.0 | 0.004 | 0.2209 |
| 0.95 | 198.0 | 0.1254 | 0.2526 |
| 0.95 | 210.0 | -0.1897 | 0.2263 |
| 0.95 | 222.0 | -0.1449 | 0.2106 |
| 0.95 | 234.0 | -0.3567 | 0.1913 |
| 0.95 | 246.0 | 0.0185 | 0.176 |
| 0.95 | 258.0 | 0.0865 | 0.1673 |
| 0.95 | 270.0 | 0.0942 | 0.1562 |
| 0.95 | 282.0 | 0.1049 | 0.1539 |
| 0.95 | 294.0 | -0.0312 | 0.1313 |
| 0.95 | 306.0 | 0.0366 | 0.1528 |
| 0.95 | 318.0 | -0.3589 | 0.1522 |
| 0.95 | 330.0 | 0.3349 | 0.2176 |
Experiment comment: