Measurement E151M3236
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2229 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9441 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | 0.1651 | 0.2369 |
| 0.25 | 66.0 | 0.1309 | 0.2384 |
| 0.25 | 294.0 | -0.3716 | 0.1812 |
| 0.25 | 306.0 | -0.3696 | 0.227 |
| 0.35 | 54.0 | 0.1371 | 0.2505 |
| 0.35 | 66.0 | -0.2135 | 0.1967 |
| 0.35 | 78.0 | 0.2363 | 0.19 |
| 0.35 | 282.0 | 0.1877 | 0.1947 |
| 0.35 | 294.0 | 0.0725 | 0.1959 |
| 0.35 | 306.0 | -0.0577 | 0.1918 |
| 0.45 | 66.0 | 0.1496 | 0.1865 |
| 0.45 | 78.0 | -0.1056 | 0.1677 |
| 0.45 | 270.0 | 0.1839 | 0.2275 |
| 0.45 | 282.0 | -0.1987 | 0.1834 |
| 0.45 | 294.0 | -0.2099 | 0.1643 |
| 0.45 | 306.0 | 0.3449 | 0.2365 |
| 0.55 | 66.0 | 0.1063 | 0.2236 |
| 0.55 | 78.0 | 0.2053 | 0.1933 |
| 0.55 | 90.0 | 0.3499 | 0.1953 |
| 0.55 | 102.0 | 0.1103 | 0.2208 |
| 0.55 | 114.0 | -0.0795 | 0.2258 |
| 0.55 | 246.0 | -0.1681 | 0.2649 |
| 0.55 | 258.0 | -0.1635 | 0.2275 |
| 0.55 | 270.0 | -0.2915 | 0.1635 |
| 0.55 | 282.0 | -0.0489 | 0.1837 |
| 0.55 | 294.0 | -0.314 | 0.1891 |
| 0.65 | 66.0 | 0.1916 | 0.2573 |
| 0.65 | 78.0 | -0.2142 | 0.178 |
| 0.65 | 90.0 | -0.0821 | 0.1958 |
| 0.65 | 102.0 | -0.1699 | 0.1826 |
| 0.65 | 114.0 | -0.136 | 0.1657 |
| 0.65 | 126.0 | 0.1267 | 0.2164 |
| 0.65 | 234.0 | 0.0171 | 0.2192 |
| 0.65 | 246.0 | -0.1845 | 0.1642 |
| 0.65 | 258.0 | -0.2686 | 0.1762 |
| 0.65 | 270.0 | -0.3453 | 0.1614 |
| 0.65 | 282.0 | 0.0829 | 0.2426 |
| 0.75 | 90.0 | 0.0361 | 0.2181 |
| 0.75 | 102.0 | -0.1178 | 0.1568 |
| 0.75 | 114.0 | 0.0512 | 0.1323 |
| 0.75 | 126.0 | 0.0892 | 0.1694 |
| 0.75 | 138.0 | 0.164 | 0.2114 |
| 0.75 | 150.0 | 0.1998 | 0.2306 |
| 0.75 | 222.0 | -0.1187 | 0.1793 |
| 0.75 | 234.0 | -0.1774 | 0.1511 |
| 0.75 | 246.0 | 0.0298 | 0.1421 |
| 0.75 | 258.0 | -0.0575 | 0.151 |
| 0.75 | 270.0 | 0.1601 | 0.1894 |
| 0.85 | 90.0 | 0.4553 | 0.2182 |
| 0.85 | 102.0 | 0.3205 | 0.1872 |
| 0.85 | 114.0 | -0.0808 | 0.1608 |
| 0.85 | 126.0 | 0.1356 | 0.1634 |
| 0.85 | 138.0 | 0.0823 | 0.1816 |
| 0.85 | 150.0 | -0.0352 | 0.2233 |
| 0.85 | 210.0 | -0.1249 | 0.1992 |
| 0.85 | 222.0 | -0.1923 | 0.1913 |
| 0.85 | 234.0 | 0.0574 | 0.1502 |
| 0.85 | 246.0 | -0.1849 | 0.1385 |
| 0.85 | 258.0 | 0.2337 | 0.1427 |
| 0.85 | 270.0 | 0.1474 | 0.1626 |
| 0.85 | 282.0 | 0.0868 | 0.207 |
| 0.95 | 126.0 | 0.0562 | 0.2517 |
| 0.95 | 138.0 | -0.4212 | 0.2433 |
| 0.95 | 234.0 | -0.0031 | 0.1963 |
| 0.95 | 246.0 | 0.0011 | 0.1737 |
| 0.95 | 258.0 | 0.0975 | 0.1751 |
| 0.95 | 270.0 | 0.0723 | 0.2029 |
| 0.15 | 294.0 | -0.4518 | 0.2212 |
| 0.25 | 66.0 | 0.1191 | 0.216 |
| 0.25 | 294.0 | 0.0976 | 0.2099 |
| 0.25 | 306.0 | -0.2543 | 0.2463 |
| 0.35 | 66.0 | 0.1634 | 0.1856 |
| 0.35 | 78.0 | -0.5297 | 0.1932 |
| 0.35 | 90.0 | -0.2554 | 0.2576 |
| 0.35 | 282.0 | -0.4361 | 0.203 |
| 0.35 | 294.0 | -0.2069 | 0.1732 |
| 0.35 | 306.0 | -0.1475 | 0.2053 |
| 0.45 | 66.0 | -0.0312 | 0.1725 |
| 0.45 | 78.0 | 0.1701 | 0.1828 |
| 0.45 | 270.0 | -0.0211 | 0.2051 |
| 0.45 | 282.0 | -0.036 | 0.1875 |
| 0.45 | 294.0 | -0.0811 | 0.1811 |
| 0.55 | 78.0 | 0.0132 | 0.1768 |
| 0.55 | 90.0 | -0.2254 | 0.2029 |
| 0.55 | 102.0 | -0.1331 | 0.2653 |
| 0.55 | 258.0 | -0.1687 | 0.2285 |
| 0.55 | 270.0 | 0.2135 | 0.2033 |
| 0.55 | 282.0 | 0.0927 | 0.1713 |
| 0.55 | 294.0 | -0.046 | 0.2672 |
| 0.65 | 66.0 | -0.3609 | 0.2341 |
| 0.65 | 78.0 | 0.1288 | 0.1984 |
| 0.65 | 90.0 | 0.1143 | 0.1954 |
| 0.65 | 102.0 | 0.082 | 0.1971 |
| 0.65 | 114.0 | 0.3957 | 0.1656 |
| 0.65 | 126.0 | -0.1831 | 0.2075 |
| 0.65 | 222.0 | -0.127 | 0.2602 |
| 0.65 | 234.0 | -0.3014 | 0.1898 |
| 0.65 | 246.0 | 0.2844 | 0.1925 |
| 0.65 | 258.0 | -0.1328 | 0.2098 |
| 0.65 | 270.0 | -0.2434 | 0.18 |
| 0.65 | 282.0 | 0.2565 | 0.2345 |
| 0.75 | 90.0 | -0.0875 | 0.2597 |
| 0.75 | 102.0 | -0.0342 | 0.1697 |
| 0.75 | 114.0 | 0.3101 | 0.1345 |
| 0.75 | 126.0 | -0.1737 | 0.1588 |
| 0.75 | 138.0 | 0.2366 | 0.1953 |
| 0.75 | 150.0 | 0.1164 | 0.2343 |
| 0.75 | 210.0 | -0.0444 | 0.2434 |
| 0.75 | 222.0 | -0.024 | 0.1724 |
| 0.75 | 234.0 | 0.1537 | 0.1569 |
| 0.75 | 246.0 | -0.0908 | 0.1564 |
| 0.75 | 258.0 | -0.1274 | 0.1449 |
| 0.75 | 270.0 | -0.4249 | 0.1793 |
| 0.75 | 282.0 | 0.0569 | 0.281 |
| 0.85 | 102.0 | -0.1829 | 0.2103 |
| 0.85 | 114.0 | -0.2483 | 0.1505 |
| 0.85 | 126.0 | 0.0757 | 0.1647 |
| 0.85 | 138.0 | -0.2373 | 0.2083 |
| 0.85 | 150.0 | 0.0294 | 0.1866 |
| 0.85 | 174.0 | -0.0267 | 0.2673 |
| 0.85 | 210.0 | -0.0366 | 0.2639 |
| 0.85 | 222.0 | -0.0755 | 0.1879 |
| 0.85 | 234.0 | 0.0554 | 0.1627 |
| 0.85 | 246.0 | -0.0497 | 0.1456 |
| 0.85 | 258.0 | -0.0911 | 0.1659 |
| 0.85 | 270.0 | -0.199 | 0.16 |
| 0.85 | 282.0 | 0.1182 | 0.2569 |
| 0.95 | 90.0 | 0.2344 | 0.2378 |
| 0.95 | 222.0 | 0.0978 | 0.2282 |
| 0.95 | 234.0 | -0.0921 | 0.2068 |
| 0.95 | 246.0 | 0.0205 | 0.1741 |
| 0.95 | 258.0 | -0.1743 | 0.1691 |
| 0.95 | 270.0 | -0.2334 | 0.2358 |
Experiment comment: