Measurement E151M3542
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1096 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1625.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9137 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | -0.0179 | 0.2354 |
| 0.25 | 18.0 | 0.1903 | 0.2816 |
| 0.25 | 54.0 | 0.0671 | 0.2522 |
| 0.25 | 66.0 | -0.2588 | 0.1988 |
| 0.25 | 78.0 | 0.2922 | 0.2214 |
| 0.25 | 270.0 | -0.023 | 0.2767 |
| 0.25 | 282.0 | 0.1853 | 0.2045 |
| 0.25 | 294.0 | 0.2164 | 0.234 |
| 0.35 | 66.0 | -0.135 | 0.1946 |
| 0.35 | 78.0 | -0.0632 | 0.2249 |
| 0.35 | 90.0 | -0.0349 | 0.2642 |
| 0.35 | 102.0 | 0.1764 | 0.2504 |
| 0.35 | 114.0 | 0.0434 | 0.2435 |
| 0.35 | 258.0 | 0.2804 | 0.2464 |
| 0.35 | 270.0 | 0.0466 | 0.1851 |
| 0.35 | 282.0 | -0.0065 | 0.1751 |
| 0.35 | 294.0 | -0.0925 | 0.212 |
| 0.45 | 66.0 | 0.0613 | 0.2072 |
| 0.45 | 78.0 | -0.1122 | 0.2061 |
| 0.45 | 90.0 | 0.2365 | 0.2582 |
| 0.45 | 102.0 | 0.2132 | 0.209 |
| 0.45 | 114.0 | 0.0881 | 0.1867 |
| 0.45 | 126.0 | -0.3051 | 0.2057 |
| 0.45 | 222.0 | 0.4635 | 0.2336 |
| 0.45 | 234.0 | 0.4928 | 0.2437 |
| 0.45 | 258.0 | -0.0916 | 0.2141 |
| 0.45 | 270.0 | 0.2815 | 0.1635 |
| 0.45 | 282.0 | -0.0474 | 0.1546 |
| 0.45 | 294.0 | -0.1215 | 0.2336 |
| 0.55 | 54.0 | 0.2234 | 0.2562 |
| 0.55 | 66.0 | -0.2344 | 0.1926 |
| 0.55 | 78.0 | 0.0083 | 0.2435 |
| 0.55 | 90.0 | -0.1529 | 0.274 |
| 0.55 | 102.0 | -0.0954 | 0.168 |
| 0.55 | 114.0 | 0.1141 | 0.147 |
| 0.55 | 126.0 | 0.0081 | 0.1751 |
| 0.55 | 138.0 | -0.0099 | 0.1765 |
| 0.55 | 150.0 | -0.355 | 0.2258 |
| 0.55 | 198.0 | -0.0444 | 0.2531 |
| 0.55 | 210.0 | -0.0732 | 0.214 |
| 0.55 | 222.0 | 0.3704 | 0.1809 |
| 0.55 | 234.0 | 0.1583 | 0.2098 |
| 0.55 | 246.0 | -0.6438 | 0.146 |
| 0.55 | 258.0 | 0.1311 | 0.184 |
| 0.55 | 270.0 | -0.0382 | 0.1479 |
| 0.55 | 282.0 | 0.3684 | 0.1741 |
| 0.55 | 294.0 | 0.2192 | 0.2207 |
| 0.55 | 306.0 | 0.4326 | 0.2432 |
| 0.65 | 54.0 | -0.4649 | 0.1569 |
| 0.65 | 66.0 | -0.0342 | 0.2283 |
| 0.65 | 78.0 | 0.4094 | 0.2292 |
| 0.65 | 90.0 | -0.2632 | 0.2175 |
| 0.65 | 102.0 | -0.0819 | 0.1479 |
| 0.65 | 114.0 | -0.1405 | 0.1428 |
| 0.65 | 126.0 | -0.0521 | 0.1567 |
| 0.65 | 138.0 | -0.0013 | 0.1735 |
| 0.65 | 150.0 | -0.6826 | 0.1663 |
| 0.65 | 162.0 | -0.1872 | 0.273 |
| 0.65 | 186.0 | -0.1359 | 0.2327 |
| 0.65 | 198.0 | -0.0867 | 0.1791 |
| 0.65 | 210.0 | -0.2828 | 0.1679 |
| 0.65 | 222.0 | -0.0485 | 0.1705 |
| 0.65 | 234.0 | -0.1328 | 0.2061 |
| 0.65 | 246.0 | -0.2357 | 0.164 |
| 0.65 | 258.0 | 0.1354 | 0.2129 |
| 0.65 | 270.0 | 0.2936 | 0.2114 |
| 0.65 | 282.0 | 0.1331 | 0.1827 |
| 0.65 | 294.0 | -0.0733 | 0.1513 |
| 0.65 | 306.0 | 0.3328 | 0.1951 |
| 0.75 | 66.0 | -0.0561 | 0.2381 |
| 0.75 | 78.0 | -0.0535 | 0.1735 |
| 0.75 | 90.0 | -0.2651 | 0.1719 |
| 0.75 | 102.0 | 0.2121 | 0.1796 |
| 0.75 | 114.0 | 0.0993 | 0.1459 |
| 0.75 | 126.0 | 0.2575 | 0.1267 |
| 0.75 | 138.0 | -0.0362 | 0.1694 |
| 0.75 | 150.0 | -0.1503 | 0.2169 |
| 0.75 | 162.0 | -0.0605 | 0.2234 |
| 0.75 | 174.0 | 0.5262 | 0.1886 |
| 0.75 | 186.0 | 0.0202 | 0.1896 |
| 0.75 | 198.0 | -0.0817 | 0.1695 |
| 0.75 | 210.0 | 0.0208 | 0.1504 |
| 0.75 | 222.0 | 0.0342 | 0.1426 |
| 0.75 | 234.0 | -0.017 | 0.1531 |
| 0.75 | 246.0 | 0.1743 | 0.1509 |
| 0.75 | 258.0 | -0.2028 | 0.1733 |
| 0.75 | 270.0 | -0.369 | 0.1827 |
| 0.75 | 282.0 | -0.0366 | 0.1328 |
| 0.75 | 294.0 | -0.1534 | 0.1383 |
| 0.75 | 306.0 | 0.3473 | 0.2552 |
| 0.85 | 78.0 | -0.134 | 0.1626 |
| 0.85 | 90.0 | 0.1106 | 0.1195 |
| 0.85 | 102.0 | -0.0533 | 0.1229 |
| 0.85 | 114.0 | -0.2643 | 0.1749 |
| 0.85 | 126.0 | 0.1142 | 0.229 |
| 0.85 | 138.0 | 0.2684 | 0.239 |
| 0.85 | 150.0 | 0.1588 | 0.1918 |
| 0.85 | 162.0 | 0.2316 | 0.2533 |
| 0.85 | 174.0 | 0.1928 | 0.2121 |
| 0.85 | 186.0 | -0.094 | 0.165 |
| 0.85 | 198.0 | -0.2801 | 0.1517 |
| 0.85 | 210.0 | -0.1313 | 0.1395 |
| 0.85 | 222.0 | -0.073 | 0.1291 |
| 0.85 | 234.0 | -0.0419 | 0.1256 |
| 0.85 | 246.0 | -0.0623 | 0.134 |
| 0.85 | 258.0 | 0.3032 | 0.1474 |
| 0.85 | 270.0 | -0.0959 | 0.2464 |
| 0.85 | 282.0 | -0.0918 | 0.2007 |
| 0.95 | 90.0 | 0.1447 | 0.1868 |
| 0.95 | 102.0 | -0.4132 | 0.1737 |
| 0.95 | 114.0 | -0.0906 | 0.2214 |
| 0.95 | 126.0 | -0.0199 | 0.2469 |
| 0.95 | 186.0 | 0.0239 | 0.2235 |
| 0.95 | 198.0 | 0.1169 | 0.1972 |
| 0.95 | 210.0 | -0.0051 | 0.1682 |
| 0.95 | 222.0 | -0.1176 | 0.1495 |
| 0.95 | 234.0 | 0.0119 | 0.1479 |
| 0.95 | 246.0 | 0.0406 | 0.1548 |
| 0.95 | 258.0 | -0.004 | 0.1802 |
| 0.95 | 270.0 | 0.2814 | 0.1648 |
Experiment comment: