Measurement E151M3279
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1664 | |
| Q2: | 0.101 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9122 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.0191 | 0.1991 |
| 0.25 | 78.0 | 0.0735 | 0.1521 |
| 0.25 | 282.0 | 0.1718 | 0.2297 |
| 0.25 | 294.0 | -0.1516 | 0.1467 |
| 0.35 | 66.0 | -0.1009 | 0.2189 |
| 0.35 | 78.0 | -0.0978 | 0.2064 |
| 0.35 | 282.0 | 0.0462 | 0.2201 |
| 0.35 | 294.0 | 0.0184 | 0.2271 |
| 0.45 | 78.0 | 0.2265 | 0.1952 |
| 0.45 | 90.0 | 0.104 | 0.2352 |
| 0.45 | 270.0 | -0.2881 | 0.1906 |
| 0.45 | 282.0 | 0.0061 | 0.2011 |
| 0.45 | 294.0 | 0.0988 | 0.1868 |
| 0.55 | 66.0 | 0.3652 | 0.2391 |
| 0.55 | 102.0 | 0.2476 | 0.2351 |
| 0.55 | 114.0 | 0.067 | 0.1958 |
| 0.55 | 126.0 | -0.272 | 0.2304 |
| 0.55 | 270.0 | 0.1791 | 0.214 |
| 0.55 | 282.0 | -0.0151 | 0.1942 |
| 0.55 | 306.0 | 0.0351 | 0.2606 |
| 0.65 | 66.0 | 0.2949 | 0.2398 |
| 0.65 | 102.0 | -0.0913 | 0.2037 |
| 0.65 | 114.0 | -0.1003 | 0.1849 |
| 0.65 | 126.0 | 0.1663 | 0.1664 |
| 0.65 | 138.0 | 0.0793 | 0.2209 |
| 0.65 | 222.0 | 0.1638 | 0.214 |
| 0.65 | 234.0 | -0.2832 | 0.2043 |
| 0.65 | 246.0 | 0.1463 | 0.207 |
| 0.65 | 258.0 | -0.2326 | 0.237 |
| 0.65 | 270.0 | -0.0986 | 0.252 |
| 0.65 | 294.0 | -0.0599 | 0.1979 |
| 0.75 | 102.0 | 0.0517 | 0.1872 |
| 0.75 | 114.0 | -0.0762 | 0.1724 |
| 0.75 | 126.0 | 0.1121 | 0.1834 |
| 0.75 | 138.0 | -0.1379 | 0.1851 |
| 0.75 | 198.0 | 0.1089 | 0.261 |
| 0.75 | 210.0 | -0.0794 | 0.2112 |
| 0.75 | 222.0 | -0.2067 | 0.1928 |
| 0.75 | 234.0 | -0.401 | 0.1768 |
| 0.75 | 246.0 | -0.2837 | 0.204 |
| 0.75 | 258.0 | -0.0833 | 0.2198 |
| 0.75 | 282.0 | 0.2932 | 0.2233 |
| 0.75 | 294.0 | 0.0089 | 0.255 |
| 0.85 | 90.0 | -0.461 | 0.1743 |
| 0.85 | 102.0 | 0.0914 | 0.2271 |
| 0.85 | 114.0 | 0.2558 | 0.1884 |
| 0.85 | 126.0 | -0.0437 | 0.1887 |
| 0.85 | 138.0 | 0.1427 | 0.2271 |
| 0.85 | 222.0 | 0.055 | 0.2264 |
| 0.85 | 234.0 | 0.0512 | 0.1611 |
| 0.85 | 246.0 | -0.0607 | 0.2007 |
| 0.85 | 258.0 | 0.0022 | 0.1916 |
| 0.85 | 270.0 | -0.3019 | 0.2253 |
| 0.95 | 210.0 | 0.1601 | 0.2557 |
| 0.95 | 222.0 | 0.3601 | 0.2394 |
| 0.95 | 246.0 | -0.0311 | 0.2069 |
| 0.95 | 258.0 | -0.098 | 0.2137 |
| 0.25 | 306.0 | 0.4373 | 0.2197 |
| 0.35 | 66.0 | 0.3855 | 0.2252 |
| 0.35 | 78.0 | 0.2356 | 0.1801 |
| 0.35 | 270.0 | -0.0049 | 0.2366 |
| 0.35 | 282.0 | -0.3406 | 0.1864 |
| 0.35 | 294.0 | -0.0074 | 0.2104 |
| 0.35 | 306.0 | 0.0307 | 0.2362 |
| 0.45 | 66.0 | -0.0217 | 0.192 |
| 0.45 | 78.0 | 0.2777 | 0.2102 |
| 0.45 | 270.0 | -0.4334 | 0.227 |
| 0.45 | 282.0 | 0.0956 | 0.1821 |
| 0.45 | 294.0 | 0.1634 | 0.1801 |
| 0.55 | 78.0 | 0.2246 | 0.2151 |
| 0.55 | 102.0 | -0.3656 | 0.2088 |
| 0.55 | 114.0 | -0.1654 | 0.2056 |
| 0.55 | 126.0 | 0.3776 | 0.1959 |
| 0.55 | 234.0 | 0.078 | 0.2605 |
| 0.55 | 258.0 | 0.1968 | 0.2422 |
| 0.55 | 270.0 | 0.0767 | 0.2254 |
| 0.55 | 282.0 | 0.3978 | 0.1636 |
| 0.65 | 90.0 | -0.2029 | 0.2491 |
| 0.65 | 102.0 | -0.3155 | 0.1963 |
| 0.65 | 114.0 | -0.0993 | 0.1818 |
| 0.65 | 126.0 | -0.0877 | 0.1788 |
| 0.65 | 138.0 | 0.3814 | 0.2126 |
| 0.65 | 210.0 | -0.1418 | 0.255 |
| 0.65 | 222.0 | -0.1347 | 0.2402 |
| 0.65 | 234.0 | -0.2813 | 0.1889 |
| 0.65 | 246.0 | -0.0361 | 0.1831 |
| 0.65 | 270.0 | -0.171 | 0.2598 |
| 0.75 | 102.0 | -0.1992 | 0.1749 |
| 0.75 | 114.0 | -0.1896 | 0.1554 |
| 0.75 | 126.0 | 0.1324 | 0.164 |
| 0.75 | 138.0 | 0.1656 | 0.2279 |
| 0.75 | 210.0 | -0.1393 | 0.2437 |
| 0.75 | 222.0 | 0.0257 | 0.1911 |
| 0.75 | 234.0 | 0.1546 | 0.1864 |
| 0.75 | 246.0 | -0.0836 | 0.1935 |
| 0.75 | 258.0 | -0.2023 | 0.1719 |
| 0.75 | 270.0 | -0.0987 | 0.2481 |
| 0.75 | 282.0 | -0.2387 | 0.2543 |
| 0.75 | 294.0 | 0.5384 | 0.2316 |
| 0.85 | 78.0 | 0.0595 | 0.2487 |
| 0.85 | 90.0 | 0.1637 | 0.209 |
| 0.85 | 102.0 | 0.4663 | 0.2317 |
| 0.85 | 114.0 | -0.1747 | 0.2104 |
| 0.85 | 126.0 | -0.2751 | 0.2072 |
| 0.85 | 138.0 | 0.0175 | 0.2173 |
| 0.85 | 150.0 | 0.2766 | 0.2358 |
| 0.85 | 198.0 | 0.3953 | 0.2461 |
| 0.85 | 210.0 | -0.5612 | 0.2015 |
| 0.85 | 222.0 | 0.065 | 0.2104 |
| 0.85 | 234.0 | -0.0564 | 0.1658 |
| 0.85 | 246.0 | -0.1747 | 0.1714 |
| 0.85 | 258.0 | 0.0206 | 0.1659 |
| 0.85 | 270.0 | -0.3099 | 0.2067 |
| 0.95 | 90.0 | 0.1284 | 0.2424 |
| 0.95 | 102.0 | 0.3685 | 0.2051 |
| 0.95 | 234.0 | -0.3463 | 0.2103 |
| 0.95 | 246.0 | 0.2036 | 0.1884 |
| 0.95 | 258.0 | 0.2456 | 0.1763 |
Experiment comment: