Measurement E151M3234
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1646 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9495 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -0.0309 | 0.2457 |
| 0.25 | 66.0 | -0.1816 | 0.1306 |
| 0.25 | 78.0 | 0.3013 | 0.2331 |
| 0.25 | 282.0 | 0.2866 | 0.2635 |
| 0.25 | 294.0 | 0.2136 | 0.1524 |
| 0.35 | 54.0 | -0.0654 | 0.2472 |
| 0.35 | 66.0 | 0.0536 | 0.1715 |
| 0.35 | 78.0 | 0.2601 | 0.1788 |
| 0.35 | 282.0 | 0.1632 | 0.1808 |
| 0.35 | 294.0 | -0.1264 | 0.1871 |
| 0.35 | 306.0 | -0.0984 | 0.253 |
| 0.45 | 66.0 | -0.0499 | 0.1509 |
| 0.45 | 78.0 | 0.0276 | 0.1688 |
| 0.45 | 90.0 | 0.2934 | 0.2196 |
| 0.45 | 270.0 | -0.0846 | 0.2168 |
| 0.45 | 282.0 | -0.1304 | 0.1666 |
| 0.45 | 294.0 | -0.1668 | 0.1622 |
| 0.45 | 306.0 | -0.1278 | 0.2145 |
| 0.55 | 66.0 | -0.1822 | 0.2302 |
| 0.55 | 78.0 | -0.1107 | 0.1645 |
| 0.55 | 90.0 | 0.0834 | 0.2271 |
| 0.55 | 102.0 | 0.3642 | 0.1949 |
| 0.55 | 114.0 | -0.0497 | 0.2302 |
| 0.55 | 246.0 | 0.2009 | 0.2641 |
| 0.55 | 258.0 | -0.0772 | 0.266 |
| 0.55 | 270.0 | 0.132 | 0.1953 |
| 0.55 | 282.0 | -0.2939 | 0.1608 |
| 0.55 | 294.0 | 0.287 | 0.2002 |
| 0.65 | 66.0 | 0.0531 | 0.2239 |
| 0.65 | 78.0 | 0.0115 | 0.2175 |
| 0.65 | 90.0 | 0.038 | 0.2638 |
| 0.65 | 102.0 | 0.1485 | 0.2081 |
| 0.65 | 114.0 | -0.0529 | 0.2103 |
| 0.65 | 126.0 | -0.2779 | 0.1665 |
| 0.65 | 138.0 | -0.1162 | 0.2177 |
| 0.65 | 222.0 | -0.0848 | 0.2423 |
| 0.65 | 234.0 | -0.0109 | 0.1701 |
| 0.65 | 246.0 | 0.0424 | 0.204 |
| 0.65 | 258.0 | 0.1742 | 0.225 |
| 0.65 | 270.0 | 0.3774 | 0.1945 |
| 0.65 | 282.0 | -0.3108 | 0.2121 |
| 0.65 | 294.0 | 0.221 | 0.2293 |
| 0.75 | 78.0 | 0.2062 | 0.2602 |
| 0.75 | 90.0 | 0.4202 | 0.2374 |
| 0.75 | 102.0 | -0.0219 | 0.1706 |
| 0.75 | 114.0 | -0.0731 | 0.1428 |
| 0.75 | 126.0 | 0.1445 | 0.1501 |
| 0.75 | 138.0 | -0.2689 | 0.1657 |
| 0.75 | 150.0 | -0.1649 | 0.2033 |
| 0.75 | 210.0 | 0.3073 | 0.1922 |
| 0.75 | 222.0 | 0.055 | 0.2164 |
| 0.75 | 234.0 | -0.1668 | 0.139 |
| 0.75 | 246.0 | -0.0171 | 0.1483 |
| 0.75 | 258.0 | 0.1651 | 0.1729 |
| 0.75 | 270.0 | -0.1971 | 0.2194 |
| 0.85 | 102.0 | 0.2304 | 0.2089 |
| 0.85 | 114.0 | 0.3261 | 0.1676 |
| 0.85 | 126.0 | 0.2488 | 0.1638 |
| 0.85 | 138.0 | 0.0289 | 0.1889 |
| 0.85 | 150.0 | 0.0366 | 0.2683 |
| 0.85 | 198.0 | 0.2238 | 0.2511 |
| 0.85 | 210.0 | -0.1087 | 0.1854 |
| 0.85 | 222.0 | -0.0742 | 0.1802 |
| 0.85 | 234.0 | -0.1136 | 0.1693 |
| 0.85 | 246.0 | -0.3588 | 0.1407 |
| 0.85 | 258.0 | -0.1001 | 0.1476 |
| 0.85 | 270.0 | 0.2942 | 0.1929 |
| 0.95 | 210.0 | 0.2688 | 0.2282 |
| 0.95 | 234.0 | -0.0875 | 0.2094 |
| 0.95 | 246.0 | -0.1983 | 0.2183 |
| 0.95 | 258.0 | -0.1699 | 0.2559 |
| 0.25 | 306.0 | -0.0639 | 0.2481 |
| 0.35 | 66.0 | -0.1627 | 0.1664 |
| 0.35 | 78.0 | 0.3192 | 0.1607 |
| 0.35 | 90.0 | 0.2461 | 0.2421 |
| 0.35 | 282.0 | -0.0709 | 0.1894 |
| 0.35 | 294.0 | 0.1998 | 0.1677 |
| 0.35 | 306.0 | 0.2334 | 0.2112 |
| 0.45 | 66.0 | -0.1337 | 0.1673 |
| 0.45 | 78.0 | -0.0833 | 0.1427 |
| 0.45 | 90.0 | 0.1005 | 0.2299 |
| 0.45 | 270.0 | -0.0481 | 0.1974 |
| 0.45 | 282.0 | -0.0037 | 0.1635 |
| 0.45 | 294.0 | 0.2105 | 0.1562 |
| 0.45 | 306.0 | 0.5308 | 0.1941 |
| 0.55 | 66.0 | 0.1319 | 0.192 |
| 0.55 | 78.0 | 0.1226 | 0.1633 |
| 0.55 | 90.0 | -0.0325 | 0.197 |
| 0.55 | 102.0 | -0.0172 | 0.2311 |
| 0.55 | 114.0 | -0.1563 | 0.2172 |
| 0.55 | 246.0 | -0.1939 | 0.2149 |
| 0.55 | 270.0 | 0.4827 | 0.1946 |
| 0.55 | 282.0 | 0.1318 | 0.1516 |
| 0.55 | 294.0 | 0.1511 | 0.1953 |
| 0.65 | 66.0 | -0.3412 | 0.1916 |
| 0.65 | 78.0 | 0.1956 | 0.1992 |
| 0.65 | 90.0 | -0.1653 | 0.2426 |
| 0.65 | 102.0 | -0.1107 | 0.2034 |
| 0.65 | 114.0 | 0.0362 | 0.1745 |
| 0.65 | 126.0 | -0.0001 | 0.1842 |
| 0.65 | 138.0 | -0.2394 | 0.2224 |
| 0.65 | 222.0 | -0.1876 | 0.2365 |
| 0.65 | 234.0 | 0.0018 | 0.1877 |
| 0.65 | 246.0 | 0.043 | 0.1834 |
| 0.65 | 258.0 | 0.1044 | 0.2041 |
| 0.65 | 270.0 | -0.0996 | 0.2008 |
| 0.65 | 282.0 | 0.0988 | 0.224 |
| 0.75 | 102.0 | 0.068 | 0.1529 |
| 0.75 | 114.0 | -0.2088 | 0.1372 |
| 0.75 | 126.0 | 0.1578 | 0.1617 |
| 0.75 | 138.0 | 0.0724 | 0.1676 |
| 0.75 | 150.0 | -0.2099 | 0.2266 |
| 0.75 | 198.0 | 0.2855 | 0.2483 |
| 0.75 | 210.0 | 0.0613 | 0.2006 |
| 0.75 | 222.0 | -0.5113 | 0.1487 |
| 0.75 | 234.0 | -0.209 | 0.1467 |
| 0.75 | 246.0 | 0.1797 | 0.131 |
| 0.75 | 258.0 | -0.1566 | 0.1825 |
| 0.75 | 270.0 | -0.3684 | 0.2212 |
| 0.75 | 282.0 | 0.4229 | 0.2077 |
| 0.85 | 102.0 | 0.2405 | 0.206 |
| 0.85 | 114.0 | -0.1082 | 0.1502 |
| 0.85 | 126.0 | -0.1548 | 0.163 |
| 0.85 | 138.0 | 0.064 | 0.1813 |
| 0.85 | 150.0 | 0.2738 | 0.1932 |
| 0.85 | 198.0 | 0.3611 | 0.2373 |
| 0.85 | 210.0 | -0.484 | 0.1869 |
| 0.85 | 222.0 | 0.323 | 0.159 |
| 0.85 | 234.0 | -0.262 | 0.1545 |
| 0.85 | 246.0 | 0.0458 | 0.1507 |
| 0.85 | 258.0 | 0.1088 | 0.1663 |
| 0.85 | 270.0 | -0.0115 | 0.1785 |
| 0.95 | 210.0 | -0.2051 | 0.2381 |
| 0.95 | 222.0 | -0.1813 | 0.2257 |
| 0.95 | 234.0 | -0.253 | 0.2009 |
| 0.95 | 246.0 | -0.029 | 0.1865 |
| 0.95 | 258.0 | -0.0955 | 0.1999 |
Experiment comment: