Measurement E151M3196
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2758 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9681 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.2102 | 0.2485 |
| 0.25 | 306.0 | -0.1302 | 0.2012 |
| 0.35 | 66.0 | 0.2093 | 0.2023 |
| 0.35 | 78.0 | 0.0258 | 0.2079 |
| 0.35 | 294.0 | -0.3759 | 0.2268 |
| 0.35 | 306.0 | -0.0958 | 0.2019 |
| 0.45 | 66.0 | 0.0266 | 0.1968 |
| 0.45 | 78.0 | 0.0221 | 0.1544 |
| 0.45 | 90.0 | -0.157 | 0.2101 |
| 0.45 | 294.0 | 0.155 | 0.2377 |
| 0.55 | 66.0 | -0.156 | 0.232 |
| 0.55 | 78.0 | 0.1377 | 0.1827 |
| 0.55 | 90.0 | -0.0497 | 0.2653 |
| 0.55 | 270.0 | 0.0961 | 0.2178 |
| 0.65 | 78.0 | 0.0967 | 0.2162 |
| 0.65 | 90.0 | 0.0959 | 0.2509 |
| 0.65 | 246.0 | -0.34 | 0.2143 |
| 0.65 | 258.0 | 0.1247 | 0.2009 |
| 0.65 | 270.0 | -0.1804 | 0.2439 |
| 0.65 | 282.0 | 0.3348 | 0.2185 |
| 0.75 | 102.0 | 0.0527 | 0.2819 |
| 0.75 | 114.0 | 0.0607 | 0.2165 |
| 0.75 | 126.0 | -0.1559 | 0.1688 |
| 0.75 | 138.0 | 0.189 | 0.2333 |
| 0.75 | 222.0 | 0.1266 | 0.2561 |
| 0.75 | 234.0 | 0.0038 | 0.1907 |
| 0.75 | 246.0 | 0.0213 | 0.1554 |
| 0.75 | 258.0 | -0.0823 | 0.1691 |
| 0.75 | 270.0 | 0.0747 | 0.1918 |
| 0.75 | 282.0 | -0.3034 | 0.2467 |
| 0.85 | 102.0 | 0.1418 | 0.2408 |
| 0.85 | 114.0 | 0.1589 | 0.2097 |
| 0.85 | 126.0 | 0.1159 | 0.1801 |
| 0.85 | 138.0 | -0.0671 | 0.1808 |
| 0.85 | 150.0 | 0.0882 | 0.2086 |
| 0.85 | 162.0 | 0.1591 | 0.2388 |
| 0.85 | 222.0 | 0.0029 | 0.1982 |
| 0.85 | 234.0 | 0.091 | 0.194 |
| 0.85 | 246.0 | -0.0211 | 0.1692 |
| 0.85 | 258.0 | -0.1012 | 0.1538 |
| 0.85 | 270.0 | 0.1119 | 0.1783 |
| 0.95 | 246.0 | 0.0095 | 0.242 |
| 0.15 | 306.0 | 0.2126 | 0.2368 |
| 0.25 | 294.0 | 0.014 | 0.1947 |
| 0.25 | 306.0 | -0.1215 | 0.2377 |
| 0.35 | 66.0 | 0.0408 | 0.177 |
| 0.35 | 78.0 | -0.091 | 0.1831 |
| 0.35 | 294.0 | 0.2754 | 0.213 |
| 0.35 | 306.0 | 0.0121 | 0.2002 |
| 0.45 | 66.0 | -0.2316 | 0.1822 |
| 0.45 | 78.0 | 0.1019 | 0.1447 |
| 0.45 | 90.0 | 0.2931 | 0.2176 |
| 0.45 | 282.0 | -0.4 | 0.2372 |
| 0.45 | 294.0 | 0.0092 | 0.2114 |
| 0.55 | 66.0 | 0.1396 | 0.1993 |
| 0.55 | 78.0 | 0.1185 | 0.1663 |
| 0.55 | 90.0 | -0.0481 | 0.1919 |
| 0.55 | 270.0 | -0.1434 | 0.2082 |
| 0.55 | 282.0 | 0.2868 | 0.2301 |
| 0.55 | 294.0 | 0.1778 | 0.2326 |
| 0.65 | 78.0 | -0.2856 | 0.2083 |
| 0.65 | 114.0 | -0.1782 | 0.2464 |
| 0.65 | 246.0 | -0.295 | 0.1743 |
| 0.65 | 258.0 | -0.0367 | 0.1757 |
| 0.65 | 270.0 | -0.2832 | 0.1953 |
| 0.65 | 282.0 | -0.0288 | 0.2387 |
| 0.75 | 102.0 | -0.099 | 0.217 |
| 0.75 | 114.0 | 0.0473 | 0.1845 |
| 0.75 | 126.0 | 0.1185 | 0.1642 |
| 0.75 | 138.0 | 0.5615 | 0.2198 |
| 0.75 | 222.0 | 0.094 | 0.2664 |
| 0.75 | 234.0 | 0.2044 | 0.1903 |
| 0.75 | 246.0 | -0.1909 | 0.1623 |
| 0.75 | 258.0 | -0.2686 | 0.1316 |
| 0.75 | 270.0 | -0.2499 | 0.1712 |
| 0.85 | 102.0 | -0.206 | 0.1994 |
| 0.85 | 114.0 | 0.2002 | 0.1561 |
| 0.85 | 126.0 | -0.0706 | 0.1445 |
| 0.85 | 138.0 | 0.0036 | 0.16 |
| 0.85 | 150.0 | 0.0619 | 0.1841 |
| 0.85 | 162.0 | -0.0551 | 0.2318 |
| 0.85 | 174.0 | 0.0557 | 0.2618 |
| 0.85 | 222.0 | -0.0406 | 0.2212 |
| 0.85 | 234.0 | 0.0723 | 0.1679 |
| 0.85 | 246.0 | 0.3391 | 0.1503 |
| 0.85 | 258.0 | -0.2054 | 0.1501 |
| 0.85 | 270.0 | 0.0095 | 0.1668 |
| 0.95 | 126.0 | -0.1197 | 0.2434 |
| 0.95 | 138.0 | 0.1339 | 0.2302 |
| 0.95 | 150.0 | 0.1407 | 0.2066 |
| 0.95 | 162.0 | 0.4744 | 0.2221 |
| 0.95 | 222.0 | 0.0654 | 0.2475 |
| 0.95 | 234.0 | -0.0172 | 0.2459 |
| 0.95 | 246.0 | -0.1278 | 0.237 |
| 0.95 | 258.0 | -0.0466 | 0.2247 |
Experiment comment: