Measurement E151M3185
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.387 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9709 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.2988 | 0.21 |
| 0.25 | 306.0 | 0.1859 | 0.2151 |
| 0.35 | 66.0 | 0.0249 | 0.2052 |
| 0.35 | 78.0 | -0.4446 | 0.2007 |
| 0.45 | 66.0 | 0.3068 | 0.1811 |
| 0.45 | 78.0 | 0.0743 | 0.1842 |
| 0.45 | 90.0 | 0.4295 | 0.1961 |
| 0.55 | 78.0 | 0.2656 | 0.16 |
| 0.55 | 90.0 | 0.0619 | 0.241 |
| 0.55 | 270.0 | 0.1566 | 0.222 |
| 0.55 | 282.0 | -0.0108 | 0.2551 |
| 0.65 | 78.0 | -0.0224 | 0.1981 |
| 0.65 | 90.0 | -0.016 | 0.2402 |
| 0.65 | 258.0 | -0.1159 | 0.1688 |
| 0.65 | 270.0 | -0.0436 | 0.1464 |
| 0.65 | 282.0 | -0.1698 | 0.1844 |
| 0.75 | 102.0 | -0.3824 | 0.2143 |
| 0.75 | 114.0 | 0.4849 | 0.1817 |
| 0.75 | 126.0 | 0.318 | 0.2151 |
| 0.75 | 234.0 | -0.2457 | 0.2063 |
| 0.75 | 246.0 | 0.0113 | 0.1713 |
| 0.75 | 258.0 | -0.0714 | 0.1502 |
| 0.75 | 270.0 | -0.0621 | 0.1567 |
| 0.75 | 282.0 | -0.2454 | 0.2171 |
| 0.85 | 102.0 | 0.0361 | 0.2046 |
| 0.85 | 114.0 | -0.0448 | 0.1615 |
| 0.85 | 126.0 | -0.069 | 0.1437 |
| 0.85 | 138.0 | -0.126 | 0.1663 |
| 0.85 | 150.0 | 0.3792 | 0.1727 |
| 0.85 | 162.0 | 0.0914 | 0.2249 |
| 0.85 | 222.0 | -0.3714 | 0.2224 |
| 0.85 | 234.0 | -0.0987 | 0.1826 |
| 0.85 | 246.0 | -0.0325 | 0.1683 |
| 0.85 | 258.0 | -0.0335 | 0.1734 |
| 0.85 | 270.0 | 0.3117 | 0.1784 |
| 0.95 | 114.0 | -0.014 | 0.1969 |
| 0.95 | 126.0 | 0.2466 | 0.03 |
| 0.95 | 138.0 | 0.101 | 0.2338 |
| 0.95 | 150.0 | -0.1961 | 0.2054 |
| 0.95 | 162.0 | -0.0419 | 0.2539 |
| 0.95 | 174.0 | -0.0981 | 0.2098 |
| 0.95 | 234.0 | 0.2316 | 0.2388 |
| 0.15 | 306.0 | 0.2078 | 0.2429 |
| 0.25 | 66.0 | 0.1388 | 0.2418 |
| 0.25 | 78.0 | 0.3513 | 0.2326 |
| 0.25 | 294.0 | 0.0473 | 0.2539 |
| 0.25 | 306.0 | -0.1084 | 0.2202 |
| 0.35 | 66.0 | -0.2401 | 0.1778 |
| 0.35 | 78.0 | 0.1557 | 0.1751 |
| 0.35 | 294.0 | 0.0217 | 0.2223 |
| 0.45 | 66.0 | 0.1627 | 0.1932 |
| 0.45 | 78.0 | -0.1051 | 0.1486 |
| 0.45 | 90.0 | -0.0961 | 0.2519 |
| 0.45 | 294.0 | -0.1729 | 0.2219 |
| 0.55 | 78.0 | 0.1041 | 0.1453 |
| 0.55 | 90.0 | -0.0567 | 0.2053 |
| 0.55 | 270.0 | -0.1454 | 0.2043 |
| 0.55 | 282.0 | -0.228 | 0.2286 |
| 0.65 | 78.0 | -0.4146 | 0.2356 |
| 0.65 | 90.0 | 0.2185 | 0.2255 |
| 0.65 | 102.0 | -0.1013 | 0.2446 |
| 0.65 | 246.0 | -0.1884 | 0.2307 |
| 0.65 | 258.0 | 0.0952 | 0.1579 |
| 0.65 | 270.0 | -0.018 | 0.1503 |
| 0.65 | 282.0 | 0.1005 | 0.1875 |
| 0.75 | 90.0 | -0.0288 | 0.2389 |
| 0.75 | 102.0 | 0.1143 | 0.2363 |
| 0.75 | 114.0 | 0.3498 | 0.1658 |
| 0.75 | 126.0 | 0.2588 | 0.1645 |
| 0.75 | 138.0 | 0.2899 | 0.2033 |
| 0.75 | 234.0 | 0.2105 | 0.2524 |
| 0.75 | 246.0 | 0.1033 | 0.1623 |
| 0.75 | 258.0 | 0.0065 | 0.1404 |
| 0.75 | 270.0 | -0.0422 | 0.1456 |
| 0.75 | 282.0 | 0.0047 | 0.1883 |
| 0.85 | 102.0 | -0.2502 | 0.1627 |
| 0.85 | 114.0 | 0.2677 | 0.1442 |
| 0.85 | 126.0 | -0.1489 | 0.1486 |
| 0.85 | 138.0 | -0.0761 | 0.1496 |
| 0.85 | 150.0 | 0.0016 | 0.1756 |
| 0.85 | 162.0 | -0.0121 | 0.2114 |
| 0.85 | 234.0 | 0.1858 | 0.1883 |
| 0.85 | 246.0 | -0.0261 | 0.1641 |
| 0.85 | 258.0 | -0.019 | 0.1507 |
| 0.85 | 270.0 | -0.109 | 0.1687 |
| 0.95 | 114.0 | 0.3185 | 0.2012 |
| 0.95 | 126.0 | 0.1751 | 0.1881 |
| 0.95 | 138.0 | -0.0187 | 0.2058 |
| 0.95 | 150.0 | -0.1737 | 0.2392 |
| 0.95 | 162.0 | 0.0042 | 0.2118 |
| 0.95 | 174.0 | -0.5119 | 0.2213 |
| 0.95 | 186.0 | -0.1904 | 0.2544 |
| 0.95 | 210.0 | 0.5571 | 0.215 |
| 0.95 | 234.0 | 0.1514 | 0.2486 |
Experiment comment: