Measurement E151M3558
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1716 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1655.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8813 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 282.0 | -0.0511 | 0.2747 |
| 0.35 | 270.0 | 0.0917 | 0.2841 |
| 0.35 | 282.0 | -0.0868 | 0.2355 |
| 0.45 | 102.0 | 0.0064 | 0.2752 |
| 0.45 | 114.0 | 0.0782 | 0.2667 |
| 0.45 | 270.0 | -0.2735 | 0.2283 |
| 0.45 | 282.0 | 0.0098 | 0.2407 |
| 0.55 | 54.0 | -0.2054 | 0.2479 |
| 0.55 | 90.0 | -0.2218 | 0.2752 |
| 0.55 | 102.0 | -0.0839 | 0.2139 |
| 0.55 | 114.0 | 0.0589 | 0.2092 |
| 0.55 | 126.0 | 0.2998 | 0.2089 |
| 0.55 | 138.0 | 0.0003 | 0.2826 |
| 0.55 | 210.0 | 0.099 | 0.261 |
| 0.55 | 222.0 | 0.0903 | 0.2584 |
| 0.55 | 270.0 | -0.1599 | 0.2278 |
| 0.55 | 282.0 | 0.3793 | 0.2204 |
| 0.55 | 306.0 | -0.1147 | 0.2203 |
| 0.65 | 90.0 | -0.3629 | 0.2503 |
| 0.65 | 102.0 | -0.0143 | 0.1638 |
| 0.65 | 114.0 | -0.1645 | 0.1866 |
| 0.65 | 126.0 | -0.2757 | 0.2246 |
| 0.65 | 186.0 | 0.0602 | 0.2489 |
| 0.65 | 210.0 | -0.0173 | 0.2167 |
| 0.65 | 222.0 | 0.1992 | 0.2031 |
| 0.65 | 234.0 | 0.0767 | 0.2106 |
| 0.65 | 246.0 | -0.0442 | 0.279 |
| 0.65 | 282.0 | -0.6778 | 0.1833 |
| 0.65 | 294.0 | -0.1417 | 0.1834 |
| 0.65 | 306.0 | 0.399 | 0.2366 |
| 0.75 | 78.0 | 0.0758 | 0.2053 |
| 0.75 | 90.0 | -0.0187 | 0.2574 |
| 0.75 | 102.0 | 0.1952 | 0.2244 |
| 0.75 | 114.0 | 0.2292 | 0.1688 |
| 0.75 | 126.0 | -0.0796 | 0.1973 |
| 0.75 | 138.0 | -0.08 | 0.2433 |
| 0.75 | 186.0 | 0.2982 | 0.2005 |
| 0.75 | 198.0 | -0.2295 | 0.1938 |
| 0.75 | 210.0 | 0.2222 | 0.2233 |
| 0.75 | 222.0 | -0.1956 | 0.1839 |
| 0.75 | 234.0 | -0.1567 | 0.1805 |
| 0.75 | 246.0 | -0.1816 | 0.2643 |
| 0.75 | 258.0 | 0.0298 | 0.2519 |
| 0.75 | 282.0 | -0.1085 | 0.2727 |
| 0.75 | 294.0 | -0.1052 | 0.197 |
| 0.85 | 66.0 | -0.2183 | 0.1999 |
| 0.85 | 78.0 | 0.0267 | 0.1755 |
| 0.85 | 90.0 | 0.2443 | 0.1553 |
| 0.85 | 102.0 | 0.0849 | 0.2433 |
| 0.85 | 114.0 | 0.2445 | 0.2682 |
| 0.85 | 126.0 | 0.4065 | 0.2117 |
| 0.85 | 186.0 | 0.1783 | 0.2281 |
| 0.85 | 198.0 | -0.3739 | 0.1663 |
| 0.85 | 210.0 | -0.3609 | 0.1497 |
| 0.85 | 222.0 | 0.1399 | 0.171 |
| 0.85 | 234.0 | 0.0764 | 0.1476 |
| 0.85 | 246.0 | -0.0788 | 0.1809 |
| 0.85 | 258.0 | -0.1752 | 0.2173 |
| 0.85 | 270.0 | 0.2125 | 0.2363 |
| 0.95 | 78.0 | 0.242 | 0.2517 |
| 0.95 | 102.0 | 0.2008 | 0.2608 |
| 0.95 | 186.0 | 0.314 | 0.244 |
| 0.95 | 198.0 | 0.3679 | 0.2512 |
| 0.95 | 210.0 | 0.1702 | 0.1916 |
| 0.95 | 222.0 | -0.0058 | 0.1738 |
| 0.95 | 234.0 | -0.0567 | 0.1719 |
| 0.95 | 246.0 | 0.0107 | 0.1843 |
| 0.95 | 258.0 | 0.3564 | 0.1579 |
| 0.95 | 270.0 | 0.057 | 0.1654 |
| 0.95 | 282.0 | -0.0111 | 0.1786 |
| 0.95 | 294.0 | 0.1777 | 0.2804 |
Experiment comment: