Measurement E151M3068
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0553 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8705 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.0002 | 0.2433 |
| 0.25 | 78.0 | -0.1606 | 0.2153 |
| 0.25 | 282.0 | 0.2107 | 0.2474 |
| 0.25 | 318.0 | -0.1921 | 0.234 |
| 0.25 | 330.0 | 0.1002 | 0.2676 |
| 0.35 | 6.0 | -0.2167 | 0.2533 |
| 0.35 | 54.0 | -0.6643 | 0.2055 |
| 0.35 | 66.0 | -0.1585 | 0.2006 |
| 0.35 | 78.0 | -0.0893 | 0.1854 |
| 0.35 | 90.0 | 0.0472 | 0.2127 |
| 0.35 | 258.0 | -0.0108 | 0.2323 |
| 0.35 | 270.0 | 0.0175 | 0.1941 |
| 0.35 | 282.0 | -0.012 | 0.1677 |
| 0.35 | 294.0 | -0.0208 | 0.2395 |
| 0.35 | 318.0 | 0.1328 | 0.2711 |
| 0.45 | 18.0 | -0.2709 | 0.2542 |
| 0.45 | 30.0 | -0.0727 | 0.2558 |
| 0.45 | 66.0 | 0.2864 | 0.1914 |
| 0.45 | 78.0 | -0.0569 | 0.1692 |
| 0.45 | 90.0 | -0.0917 | 0.1911 |
| 0.45 | 102.0 | 0.0878 | 0.2219 |
| 0.45 | 114.0 | -0.3921 | 0.2354 |
| 0.45 | 126.0 | -0.1397 | 0.2436 |
| 0.45 | 138.0 | -0.2537 | 0.2353 |
| 0.45 | 210.0 | 0.4843 | 0.2401 |
| 0.45 | 222.0 | -0.1406 | 0.2684 |
| 0.45 | 258.0 | 0.3181 | 0.1825 |
| 0.45 | 270.0 | 0.1025 | 0.1763 |
| 0.45 | 282.0 | 0.1994 | 0.1477 |
| 0.45 | 294.0 | 0.26 | 0.2004 |
| 0.45 | 306.0 | 0.0292 | 0.2458 |
| 0.45 | 330.0 | 0.0868 | 0.2693 |
| 0.55 | 78.0 | -0.103 | 0.2007 |
| 0.55 | 90.0 | 0.1385 | 0.2234 |
| 0.55 | 102.0 | -0.3528 | 0.197 |
| 0.55 | 114.0 | -0.1242 | 0.1821 |
| 0.55 | 126.0 | -0.088 | 0.1867 |
| 0.55 | 138.0 | -0.1398 | 0.2294 |
| 0.55 | 150.0 | -0.0282 | 0.2471 |
| 0.55 | 198.0 | 0.4674 | 0.2145 |
| 0.55 | 210.0 | -0.2243 | 0.2171 |
| 0.55 | 222.0 | 0.0606 | 0.2028 |
| 0.55 | 234.0 | -0.0143 | 0.2521 |
| 0.55 | 246.0 | -0.5919 | 0.2029 |
| 0.55 | 258.0 | 0.2318 | 0.178 |
| 0.55 | 270.0 | -0.0555 | 0.1566 |
| 0.55 | 282.0 | -0.0728 | 0.1718 |
| 0.65 | 66.0 | 0.4227 | 0.2374 |
| 0.65 | 78.0 | 0.3991 | 0.206 |
| 0.65 | 90.0 | -0.0219 | 0.2453 |
| 0.65 | 102.0 | -0.0104 | 0.2708 |
| 0.65 | 114.0 | -0.1953 | 0.1906 |
| 0.65 | 126.0 | 0.1585 | 0.1619 |
| 0.65 | 138.0 | -0.0261 | 0.1793 |
| 0.65 | 150.0 | -0.2142 | 0.2388 |
| 0.65 | 162.0 | -0.3433 | 0.2371 |
| 0.65 | 186.0 | -0.0906 | 0.2763 |
| 0.65 | 198.0 | -0.613 | 0.1896 |
| 0.65 | 210.0 | -0.0291 | 0.1596 |
| 0.65 | 222.0 | -0.1732 | 0.1627 |
| 0.65 | 234.0 | -0.0653 | 0.1907 |
| 0.65 | 246.0 | -0.187 | 0.184 |
| 0.65 | 258.0 | 0.3322 | 0.1986 |
| 0.65 | 270.0 | -0.0302 | 0.198 |
| 0.65 | 282.0 | -0.0023 | 0.2002 |
| 0.65 | 294.0 | -0.0539 | 0.216 |
| 0.75 | 66.0 | -0.1848 | 0.2053 |
| 0.75 | 78.0 | -0.084 | 0.2356 |
| 0.75 | 90.0 | 0.27 | 0.2643 |
| 0.75 | 114.0 | -0.1017 | 0.2178 |
| 0.75 | 126.0 | -0.0201 | 0.1825 |
| 0.75 | 138.0 | 0.3681 | 0.1622 |
| 0.75 | 150.0 | -0.0958 | 0.2289 |
| 0.75 | 162.0 | 0.2778 | 0.2394 |
| 0.75 | 186.0 | -0.0489 | 0.2639 |
| 0.75 | 198.0 | -0.0746 | 0.2047 |
| 0.75 | 210.0 | -0.0662 | 0.1638 |
| 0.75 | 222.0 | -0.2107 | 0.1649 |
| 0.75 | 234.0 | -0.1175 | 0.1642 |
| 0.75 | 246.0 | 0.3131 | 0.1833 |
| 0.75 | 258.0 | -0.6276 | 0.1877 |
| 0.75 | 270.0 | 0.0108 | 0.2146 |
| 0.75 | 282.0 | -0.0566 | 0.1419 |
| 0.75 | 294.0 | 0.1623 | 0.1996 |
| 0.85 | 102.0 | -0.0456 | 0.1919 |
| 0.85 | 114.0 | -0.2876 | 0.1664 |
| 0.85 | 126.0 | 0.2165 | 0.1854 |
| 0.85 | 138.0 | 0.0558 | 0.2474 |
| 0.85 | 186.0 | 0.1223 | 0.2632 |
| 0.85 | 198.0 | 0.0719 | 0.2229 |
| 0.85 | 210.0 | 0.2276 | 0.1798 |
| 0.85 | 222.0 | 0.0363 | 0.1705 |
| 0.85 | 234.0 | -0.21 | 0.145 |
| 0.85 | 246.0 | -0.1764 | 0.1995 |
| 0.85 | 258.0 | -0.2203 | 0.2483 |
| 0.85 | 270.0 | 0.0163 | 0.3036 |
| 0.95 | 222.0 | -0.122 | 0.2419 |
| 0.95 | 234.0 | -0.2773 | 0.2169 |
Experiment comment: