Measurement E151M3460
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4362 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9457 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.3176 | 0.2279 |
| 0.05 | 66.0 | -0.1673 | 0.2435 |
| 0.05 | 294.0 | -0.2024 | 0.2255 |
| 0.05 | 306.0 | -0.1547 | 0.2548 |
| 0.15 | 54.0 | 0.3594 | 0.179 |
| 0.15 | 66.0 | -0.0792 | 0.2278 |
| 0.15 | 294.0 | 0.1125 | 0.2005 |
| 0.15 | 306.0 | 0.0382 | 0.2024 |
| 0.25 | 54.0 | -0.0225 | 0.1934 |
| 0.25 | 66.0 | -0.336 | 0.1765 |
| 0.25 | 78.0 | -0.1576 | 0.2105 |
| 0.25 | 282.0 | 0.2738 | 0.1932 |
| 0.25 | 294.0 | 0.0729 | 0.1929 |
| 0.25 | 306.0 | 0.0406 | 0.2315 |
| 0.35 | 54.0 | 0.2359 | 0.2273 |
| 0.35 | 66.0 | 0.1508 | 0.1924 |
| 0.35 | 78.0 | -0.4389 | 0.2011 |
| 0.35 | 282.0 | 0.2865 | 0.1965 |
| 0.35 | 294.0 | 0.0161 | 0.1784 |
| 0.35 | 306.0 | 0.0539 | 0.2343 |
| 0.35 | 318.0 | -0.2939 | 0.2855 |
| 0.45 | 54.0 | -0.1075 | 0.2644 |
| 0.45 | 66.0 | 0.3479 | 0.2422 |
| 0.45 | 78.0 | -0.5043 | 0.2662 |
| 0.45 | 90.0 | 0.069 | 0.2295 |
| 0.45 | 102.0 | 0.3837 | 0.2478 |
| 0.45 | 270.0 | 0.1472 | 0.2581 |
| 0.45 | 282.0 | 0.0042 | 0.2306 |
| 0.45 | 294.0 | -0.0596 | 0.2073 |
| 0.45 | 306.0 | -0.0624 | 0.2239 |
| 0.55 | 54.0 | -0.0517 | 0.275 |
| 0.55 | 66.0 | 0.4684 | 0.2412 |
| 0.55 | 78.0 | 0.1973 | 0.201 |
| 0.55 | 90.0 | 0.1628 | 0.1843 |
| 0.55 | 102.0 | 0.0395 | 0.1579 |
| 0.55 | 114.0 | -0.2503 | 0.238 |
| 0.55 | 258.0 | 0.2017 | 0.2137 |
| 0.55 | 270.0 | -0.4279 | 0.2309 |
| 0.55 | 282.0 | -0.2606 | 0.2215 |
| 0.55 | 294.0 | 0.0862 | 0.2498 |
| 0.55 | 306.0 | 0.1605 | 0.2187 |
| 0.65 | 66.0 | 0.206 | 0.2434 |
| 0.65 | 78.0 | -0.0678 | 0.1529 |
| 0.65 | 90.0 | 0.023 | 0.1308 |
| 0.65 | 102.0 | -0.191 | 0.1404 |
| 0.65 | 114.0 | 0.0093 | 0.1563 |
| 0.65 | 234.0 | 0.115 | 0.2531 |
| 0.65 | 246.0 | -0.2928 | 0.1586 |
| 0.65 | 258.0 | -0.1209 | 0.1689 |
| 0.65 | 270.0 | 0.1144 | 0.1735 |
| 0.65 | 282.0 | -0.1437 | 0.1899 |
| 0.65 | 306.0 | 0.133 | 0.2455 |
| 0.75 | 54.0 | -0.2039 | 0.1935 |
| 0.75 | 66.0 | -0.4081 | 0.1941 |
| 0.75 | 78.0 | 0.0198 | 0.1251 |
| 0.75 | 90.0 | 0.3269 | 0.1245 |
| 0.75 | 102.0 | -0.0614 | 0.1248 |
| 0.75 | 114.0 | -0.0615 | 0.1432 |
| 0.75 | 126.0 | 0.0829 | 0.1807 |
| 0.75 | 138.0 | 0.1714 | 0.2607 |
| 0.75 | 210.0 | -0.1457 | 0.2558 |
| 0.75 | 222.0 | 0.0225 | 0.1826 |
| 0.75 | 234.0 | 0.0148 | 0.1544 |
| 0.75 | 246.0 | 0.2007 | 0.1472 |
| 0.75 | 258.0 | 0.0549 | 0.1428 |
| 0.75 | 270.0 | -0.0784 | 0.1294 |
| 0.75 | 282.0 | -0.0542 | 0.1884 |
| 0.75 | 294.0 | -0.0604 | 0.2141 |
| 0.85 | 54.0 | 0.0266 | 0.1882 |
| 0.85 | 66.0 | 0.1189 | 0.1466 |
| 0.85 | 78.0 | -0.244 | 0.2028 |
| 0.85 | 90.0 | -0.0874 | 0.1411 |
| 0.85 | 102.0 | 0.228 | 0.1216 |
| 0.85 | 114.0 | 0.0312 | 0.1309 |
| 0.85 | 126.0 | 0.0868 | 0.1584 |
| 0.85 | 138.0 | -0.1868 | 0.194 |
| 0.85 | 150.0 | 0.0792 | 0.2266 |
| 0.85 | 174.0 | -0.0405 | 0.2533 |
| 0.85 | 198.0 | -0.0618 | 0.201 |
| 0.85 | 210.0 | -0.2583 | 0.1945 |
| 0.85 | 222.0 | 0.1576 | 0.1506 |
| 0.85 | 234.0 | -0.1542 | 0.1355 |
| 0.85 | 246.0 | -0.0304 | 0.1307 |
| 0.85 | 258.0 | -0.0221 | 0.1309 |
| 0.85 | 270.0 | 0.0757 | 0.1161 |
| 0.85 | 282.0 | -0.1042 | 0.129 |
| 0.85 | 294.0 | 0.0482 | 0.1373 |
| 0.85 | 306.0 | -0.0968 | 0.1622 |
| 0.95 | 54.0 | -0.1499 | 0.2239 |
| 0.95 | 66.0 | 0.5105 | 0.1991 |
| 0.95 | 78.0 | 0.3018 | 0.2657 |
| 0.95 | 90.0 | 0.3951 | 0.1844 |
| 0.95 | 102.0 | 0.1096 | 0.2219 |
| 0.95 | 114.0 | -0.0964 | 0.1788 |
| 0.95 | 126.0 | -0.4605 | 0.1742 |
| 0.95 | 138.0 | -0.2559 | 0.1961 |
| 0.95 | 162.0 | 0.1313 | 0.2436 |
| 0.95 | 186.0 | 0.2852 | 0.2401 |
| 0.95 | 198.0 | -0.0653 | 0.2185 |
| 0.95 | 210.0 | -0.1695 | 0.1999 |
| 0.95 | 222.0 | 0.3061 | 0.1524 |
| 0.95 | 234.0 | -0.0424 | 0.1818 |
| 0.95 | 246.0 | -0.162 | 0.1548 |
| 0.95 | 258.0 | -0.2391 | 0.1567 |
| 0.95 | 270.0 | 0.1747 | 0.1549 |
| 0.95 | 282.0 | 0.011 | 0.1519 |
| 0.95 | 294.0 | 0.2184 | 0.1381 |
| 0.95 | 306.0 | -0.0927 | 0.1385 |
| 0.95 | 318.0 | 0.1088 | 0.171 |
Experiment comment: