Measurement E151M3567
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0877 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1685.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8932 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.0009 | 0.2065 |
| 0.25 | 78.0 | -0.131 | 0.2361 |
| 0.25 | 270.0 | 0.3931 | 0.2599 |
| 0.25 | 282.0 | -0.2623 | 0.2098 |
| 0.35 | 66.0 | 0.2496 | 0.2051 |
| 0.35 | 78.0 | -0.0169 | 0.2051 |
| 0.35 | 114.0 | 0.1764 | 0.2756 |
| 0.35 | 258.0 | 0.0802 | 0.2178 |
| 0.35 | 270.0 | 0.1473 | 0.2138 |
| 0.35 | 282.0 | 0.3942 | 0.1887 |
| 0.35 | 294.0 | 0.2605 | 0.2396 |
| 0.45 | 66.0 | -0.0639 | 0.2373 |
| 0.45 | 78.0 | -0.1412 | 0.2778 |
| 0.45 | 90.0 | 0.2964 | 0.2337 |
| 0.45 | 102.0 | 0.1216 | 0.2181 |
| 0.45 | 114.0 | 0.0007 | 0.2103 |
| 0.45 | 126.0 | -0.1961 | 0.2118 |
| 0.45 | 138.0 | 0.1421 | 0.225 |
| 0.45 | 198.0 | 0.1114 | 0.2785 |
| 0.45 | 222.0 | -0.3528 | 0.2637 |
| 0.45 | 246.0 | 0.3049 | 0.2538 |
| 0.45 | 258.0 | -0.1024 | 0.2201 |
| 0.45 | 270.0 | -0.2804 | 0.1638 |
| 0.45 | 282.0 | -0.2105 | 0.1559 |
| 0.45 | 294.0 | -0.1961 | 0.2244 |
| 0.55 | 66.0 | -0.4821 | 0.2156 |
| 0.55 | 78.0 | -0.0002 | 0.2201 |
| 0.55 | 90.0 | 0.0094 | 0.2535 |
| 0.55 | 102.0 | -0.4603 | 0.1576 |
| 0.55 | 114.0 | -0.2961 | 0.1696 |
| 0.55 | 126.0 | 0.2252 | 0.1855 |
| 0.55 | 138.0 | -0.3302 | 0.1815 |
| 0.55 | 186.0 | 0.4735 | 0.2514 |
| 0.55 | 198.0 | 0.1074 | 0.2125 |
| 0.55 | 210.0 | 0.293 | 0.1934 |
| 0.55 | 222.0 | -0.015 | 0.1998 |
| 0.55 | 234.0 | -0.3303 | 0.1893 |
| 0.55 | 246.0 | 0.1034 | 0.2055 |
| 0.55 | 258.0 | -0.045 | 0.1998 |
| 0.55 | 270.0 | -0.0819 | 0.1716 |
| 0.55 | 282.0 | 0.0963 | 0.2071 |
| 0.55 | 306.0 | 0.2549 | 0.2526 |
| 0.65 | 42.0 | 0.0604 | 0.2747 |
| 0.65 | 54.0 | 0.055 | 0.1977 |
| 0.65 | 66.0 | 0.2589 | 0.2119 |
| 0.65 | 78.0 | 0.112 | 0.2677 |
| 0.65 | 90.0 | -0.2109 | 0.2371 |
| 0.65 | 102.0 | 0.1949 | 0.1748 |
| 0.65 | 114.0 | -0.148 | 0.1348 |
| 0.65 | 126.0 | 0.0567 | 0.1593 |
| 0.65 | 138.0 | 0.2326 | 0.1738 |
| 0.65 | 150.0 | -0.0205 | 0.2534 |
| 0.65 | 174.0 | -0.2803 | 0.2475 |
| 0.65 | 186.0 | -0.1967 | 0.2135 |
| 0.65 | 198.0 | -0.1117 | 0.1793 |
| 0.65 | 210.0 | 0.2077 | 0.1679 |
| 0.65 | 222.0 | -0.0743 | 0.166 |
| 0.65 | 234.0 | 0.0327 | 0.2028 |
| 0.65 | 246.0 | -0.1758 | 0.2215 |
| 0.65 | 258.0 | -0.163 | 0.1899 |
| 0.65 | 270.0 | 0.3127 | 0.2033 |
| 0.65 | 282.0 | -0.0385 | 0.1906 |
| 0.65 | 294.0 | 0.2383 | 0.1603 |
| 0.75 | 78.0 | 0.0689 | 0.2329 |
| 0.75 | 90.0 | -0.059 | 0.1722 |
| 0.75 | 102.0 | -0.0565 | 0.2214 |
| 0.75 | 114.0 | -0.3594 | 0.2046 |
| 0.75 | 126.0 | -0.0814 | 0.1521 |
| 0.75 | 138.0 | 0.3391 | 0.1656 |
| 0.75 | 150.0 | 0.3649 | 0.2143 |
| 0.75 | 162.0 | -0.1286 | 0.202 |
| 0.75 | 174.0 | 0.0056 | 0.2344 |
| 0.75 | 186.0 | -0.1922 | 0.203 |
| 0.75 | 198.0 | 0.0993 | 0.1772 |
| 0.75 | 210.0 | 0.1676 | 0.1571 |
| 0.75 | 222.0 | -0.0204 | 0.1475 |
| 0.75 | 234.0 | 0.0659 | 0.1585 |
| 0.75 | 246.0 | -0.196 | 0.1771 |
| 0.75 | 258.0 | 0.1164 | 0.2054 |
| 0.75 | 270.0 | -0.0642 | 0.1692 |
| 0.75 | 282.0 | -0.0411 | 0.1626 |
| 0.75 | 294.0 | 0.1652 | 0.1546 |
| 0.75 | 306.0 | 0.2459 | 0.2541 |
| 0.85 | 78.0 | 0.2918 | 0.1806 |
| 0.85 | 90.0 | 0.0729 | 0.1309 |
| 0.85 | 102.0 | -0.1263 | 0.1151 |
| 0.85 | 114.0 | -0.1821 | 0.1621 |
| 0.85 | 126.0 | 0.1059 | 0.2151 |
| 0.85 | 162.0 | 0.2716 | 0.2127 |
| 0.85 | 174.0 | 0.3664 | 0.1942 |
| 0.85 | 186.0 | 0.188 | 0.1745 |
| 0.85 | 198.0 | -0.2691 | 0.1313 |
| 0.85 | 210.0 | -0.1418 | 0.136 |
| 0.85 | 222.0 | 0.0756 | 0.1322 |
| 0.85 | 234.0 | -0.0058 | 0.144 |
| 0.85 | 246.0 | 0.0358 | 0.1588 |
| 0.85 | 258.0 | -0.2255 | 0.1661 |
| 0.85 | 270.0 | 0.1829 | 0.2085 |
| 0.85 | 282.0 | -0.032 | 0.2214 |
| 0.85 | 294.0 | 0.2121 | 0.258 |
| 0.95 | 90.0 | 0.0354 | 0.2148 |
| 0.95 | 102.0 | -0.2 | 0.1822 |
| 0.95 | 114.0 | -0.2537 | 0.2263 |
| 0.95 | 126.0 | 0.2388 | 0.2201 |
| 0.95 | 174.0 | -0.0147 | 0.2244 |
| 0.95 | 186.0 | -0.198 | 0.1734 |
| 0.95 | 198.0 | -0.0018 | 0.1916 |
| 0.95 | 210.0 | -0.0549 | 0.1663 |
| 0.95 | 222.0 | 0.1657 | 0.1606 |
| 0.95 | 234.0 | -0.1281 | 0.1607 |
| 0.95 | 246.0 | -0.052 | 0.1689 |
| 0.95 | 258.0 | -0.027 | 0.211 |
Experiment comment: