Measurement E151M3039
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0869 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8994 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | -0.3926 | 0.252 |
| 0.15 | 42.0 | -0.3786 | 0.2432 |
| 0.15 | 318.0 | 0.2631 | 0.2795 |
| 0.25 | 30.0 | 0.1012 | 0.2283 |
| 0.25 | 54.0 | 0.0506 | 0.2294 |
| 0.25 | 66.0 | -0.0564 | 0.2082 |
| 0.25 | 78.0 | 0.076 | 0.1641 |
| 0.25 | 90.0 | -0.1995 | 0.2474 |
| 0.25 | 282.0 | 0.2043 | 0.1867 |
| 0.25 | 294.0 | -0.2499 | 0.1817 |
| 0.25 | 306.0 | 0.2711 | 0.2072 |
| 0.25 | 318.0 | -0.2424 | 0.2301 |
| 0.25 | 330.0 | -0.0903 | 0.2599 |
| 0.35 | 18.0 | -0.2062 | 0.218 |
| 0.35 | 30.0 | 0.1213 | 0.2377 |
| 0.35 | 42.0 | 0.1646 | 0.2439 |
| 0.35 | 54.0 | -0.0731 | 0.2205 |
| 0.35 | 66.0 | 0.3516 | 0.1273 |
| 0.35 | 78.0 | 0.0067 | 0.1396 |
| 0.35 | 90.0 | 0.2406 | 0.1942 |
| 0.35 | 258.0 | 0.3818 | 0.2673 |
| 0.35 | 270.0 | 0.155 | 0.1644 |
| 0.35 | 282.0 | 0.0057 | 0.137 |
| 0.35 | 294.0 | 0.3062 | 0.157 |
| 0.35 | 306.0 | -0.1769 | 0.2144 |
| 0.35 | 318.0 | -0.3224 | 0.2494 |
| 0.35 | 330.0 | -0.2176 | 0.2448 |
| 0.45 | 18.0 | -0.2212 | 0.2602 |
| 0.45 | 30.0 | 0.2993 | 0.2634 |
| 0.45 | 66.0 | 0.0021 | 0.1602 |
| 0.45 | 78.0 | -0.0733 | 0.1385 |
| 0.45 | 90.0 | 0.2418 | 0.1541 |
| 0.45 | 102.0 | 0.1706 | 0.203 |
| 0.45 | 114.0 | 0.5904 | 0.1785 |
| 0.45 | 126.0 | 0.4348 | 0.2202 |
| 0.45 | 246.0 | 0.2886 | 0.2244 |
| 0.45 | 258.0 | -0.0345 | 0.1684 |
| 0.45 | 270.0 | 0.1177 | 0.1451 |
| 0.45 | 282.0 | -0.1935 | 0.1223 |
| 0.45 | 294.0 | 0.0798 | 0.1575 |
| 0.45 | 306.0 | -0.2382 | 0.1988 |
| 0.45 | 318.0 | 0.0462 | 0.2186 |
| 0.45 | 330.0 | 0.2295 | 0.2145 |
| 0.55 | 66.0 | -0.1045 | 0.1957 |
| 0.55 | 78.0 | -0.0946 | 0.1562 |
| 0.55 | 90.0 | -0.3235 | 0.1517 |
| 0.55 | 102.0 | 0.1733 | 0.1623 |
| 0.55 | 114.0 | -0.2249 | 0.1801 |
| 0.55 | 126.0 | 0.1619 | 0.1578 |
| 0.55 | 138.0 | 0.4817 | 0.1566 |
| 0.55 | 150.0 | -0.4056 | 0.2094 |
| 0.55 | 210.0 | -0.2047 | 0.2094 |
| 0.55 | 222.0 | 0.1031 | 0.1787 |
| 0.55 | 234.0 | -0.0913 | 0.193 |
| 0.55 | 246.0 | -0.2199 | 0.1726 |
| 0.55 | 258.0 | -0.1363 | 0.1513 |
| 0.55 | 270.0 | -0.2906 | 0.1399 |
| 0.55 | 282.0 | -0.052 | 0.1304 |
| 0.55 | 294.0 | -0.0762 | 0.1732 |
| 0.55 | 306.0 | -0.4056 | 0.2458 |
| 0.65 | 54.0 | 0.2012 | 0.263 |
| 0.65 | 66.0 | -0.14 | 0.1951 |
| 0.65 | 78.0 | 0.023 | 0.1788 |
| 0.65 | 90.0 | 0.0999 | 0.1817 |
| 0.65 | 102.0 | 0.1109 | 0.1712 |
| 0.65 | 114.0 | -0.0734 | 0.1394 |
| 0.65 | 126.0 | -0.0404 | 0.1418 |
| 0.65 | 138.0 | 0.033 | 0.1605 |
| 0.65 | 150.0 | -0.0263 | 0.2026 |
| 0.65 | 162.0 | 0.2136 | 0.2365 |
| 0.65 | 198.0 | 0.0957 | 0.2272 |
| 0.65 | 210.0 | 0.2753 | 0.1702 |
| 0.65 | 222.0 | 0.0228 | 0.1424 |
| 0.65 | 234.0 | 0.2028 | 0.1508 |
| 0.65 | 246.0 | 0.1157 | 0.1627 |
| 0.65 | 258.0 | -0.2475 | 0.1519 |
| 0.65 | 270.0 | -0.0749 | 0.1774 |
| 0.65 | 282.0 | -0.2077 | 0.2055 |
| 0.65 | 294.0 | -0.1142 | 0.2071 |
| 0.65 | 306.0 | -0.0659 | 0.2041 |
| 0.75 | 66.0 | 0.1908 | 0.1989 |
| 0.75 | 78.0 | -0.0895 | 0.2038 |
| 0.75 | 90.0 | 0.2576 | 0.261 |
| 0.75 | 102.0 | 0.1637 | 0.1994 |
| 0.75 | 114.0 | -0.1269 | 0.1687 |
| 0.75 | 126.0 | -0.1133 | 0.1379 |
| 0.75 | 138.0 | 0.0472 | 0.1584 |
| 0.75 | 150.0 | 0.2201 | 0.1982 |
| 0.75 | 162.0 | 0.1837 | 0.2316 |
| 0.75 | 174.0 | 0.2586 | 0.2795 |
| 0.75 | 186.0 | 0.6494 | 0.1853 |
| 0.75 | 198.0 | 0.3207 | 0.2092 |
| 0.75 | 210.0 | 0.3585 | 0.1496 |
| 0.75 | 222.0 | 0.0728 | 0.1408 |
| 0.75 | 234.0 | -0.0409 | 0.1378 |
| 0.75 | 246.0 | -0.0584 | 0.1611 |
| 0.75 | 258.0 | 0.0699 | 0.168 |
| 0.75 | 270.0 | -0.3613 | 0.185 |
| 0.75 | 282.0 | -0.3953 | 0.1419 |
| 0.75 | 294.0 | 0.2159 | 0.1605 |
| 0.85 | 90.0 | 0.2203 | 0.2259 |
| 0.85 | 102.0 | 0.239 | 0.2154 |
| 0.85 | 114.0 | 0.0948 | 0.1809 |
| 0.85 | 126.0 | 0.1052 | 0.2165 |
| 0.85 | 138.0 | 0.0082 | 0.1866 |
| 0.85 | 186.0 | -0.0598 | 0.2483 |
| 0.85 | 198.0 | -0.2036 | 0.2257 |
| 0.85 | 210.0 | 0.1483 | 0.1611 |
| 0.85 | 222.0 | -0.0327 | 0.1627 |
| 0.85 | 234.0 | -0.3336 | 0.1228 |
| 0.85 | 246.0 | 0.1517 | 0.1473 |
| 0.85 | 258.0 | 0.0952 | 0.1969 |
| 0.85 | 270.0 | 0.1914 | 0.2136 |
| 0.85 | 282.0 | 0.1605 | 0.2806 |
| 0.95 | 198.0 | 0.075 | 0.2761 |
| 0.95 | 222.0 | -0.0798 | 0.2566 |
| 0.95 | 234.0 | -0.1908 | 0.1747 |
| 0.95 | 246.0 | 0.2471 | 0.2321 |
| 0.95 | 258.0 | 0.0917 | 0.2651 |
Experiment comment: