Measurement E151M3199
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4238 | |
| Q2: | 0.101 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9604 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | -0.0519 | 0.1899 |
| 0.25 | 66.0 | -0.0077 | 0.1897 |
| 0.25 | 78.0 | 0.1517 | 0.2494 |
| 0.25 | 294.0 | 0.0108 | 0.2119 |
| 0.25 | 306.0 | -0.1202 | 0.2331 |
| 0.35 | 66.0 | -0.2466 | 0.1572 |
| 0.35 | 78.0 | 0.1266 | 0.1659 |
| 0.35 | 294.0 | -0.1175 | 0.2054 |
| 0.35 | 306.0 | 0.06 | 0.2349 |
| 0.45 | 66.0 | -0.1037 | 0.1831 |
| 0.45 | 78.0 | 0.2086 | 0.1631 |
| 0.45 | 282.0 | 0.2058 | 0.2413 |
| 0.55 | 66.0 | 0.0584 | 0.2055 |
| 0.55 | 78.0 | 0.1033 | 0.1942 |
| 0.55 | 90.0 | -0.2206 | 0.1986 |
| 0.55 | 270.0 | -0.1861 | 0.2271 |
| 0.55 | 282.0 | 0.209 | 0.1736 |
| 0.65 | 66.0 | 0.2328 | 0.2508 |
| 0.65 | 78.0 | -0.3565 | 0.205 |
| 0.65 | 114.0 | -0.2921 | 0.2333 |
| 0.65 | 258.0 | 0.0824 | 0.1784 |
| 0.65 | 270.0 | -0.0507 | 0.1929 |
| 0.65 | 282.0 | -0.1553 | 0.2065 |
| 0.75 | 102.0 | -0.0467 | 0.1657 |
| 0.75 | 114.0 | -0.1248 | 0.1685 |
| 0.75 | 126.0 | -0.0094 | 0.188 |
| 0.75 | 222.0 | 0.4629 | 0.2393 |
| 0.75 | 234.0 | 0.065 | 0.2125 |
| 0.75 | 246.0 | -0.0684 | 0.176 |
| 0.75 | 258.0 | 0.0556 | 0.1355 |
| 0.75 | 270.0 | -0.2962 | 0.1445 |
| 0.75 | 282.0 | -0.2634 | 0.1541 |
| 0.85 | 90.0 | -0.0515 | 0.1965 |
| 0.85 | 102.0 | -0.0308 | 0.1415 |
| 0.85 | 114.0 | 0.1822 | 0.1333 |
| 0.85 | 126.0 | 0.123 | 0.1467 |
| 0.85 | 138.0 | -0.1468 | 0.1906 |
| 0.85 | 150.0 | 0.0271 | 0.2372 |
| 0.85 | 162.0 | 0.2078 | 0.2387 |
| 0.85 | 174.0 | 0.0691 | 0.2564 |
| 0.85 | 222.0 | -0.0132 | 0.2483 |
| 0.85 | 234.0 | -0.2675 | 0.1775 |
| 0.85 | 246.0 | 0.1394 | 0.1588 |
| 0.85 | 258.0 | 0.0898 | 0.1626 |
| 0.85 | 270.0 | 0.164 | 0.1542 |
| 0.85 | 282.0 | -0.2703 | 0.1558 |
| 0.95 | 102.0 | 0.2175 | 0.2458 |
| 0.95 | 114.0 | 0.1052 | 0.1808 |
| 0.95 | 126.0 | 0.1184 | 0.1986 |
| 0.95 | 138.0 | 0.0259 | 0.1935 |
| 0.95 | 150.0 | -0.1002 | 0.2272 |
| 0.95 | 162.0 | 0.1072 | 0.2161 |
| 0.95 | 174.0 | -0.1892 | 0.2262 |
| 0.95 | 210.0 | -0.1879 | 0.2158 |
| 0.95 | 222.0 | 0.0325 | 0.2402 |
| 0.95 | 234.0 | -0.2363 | 0.252 |
| 0.95 | 246.0 | -0.2163 | 0.1965 |
| 0.95 | 258.0 | -0.0361 | 0.1833 |
| 0.95 | 270.0 | 0.2122 | 0.1938 |
| 0.05 | 306.0 | 0.0272 | 0.2578 |
| 0.15 | 306.0 | -0.271 | 0.2348 |
| 0.25 | 66.0 | 0.0836 | 0.1854 |
| 0.25 | 306.0 | -0.3074 | 0.2009 |
| 0.35 | 66.0 | 0.1146 | 0.1728 |
| 0.35 | 78.0 | 0.4063 | 0.1885 |
| 0.35 | 294.0 | -0.0168 | 0.1759 |
| 0.35 | 306.0 | 0.2828 | 0.2439 |
| 0.45 | 66.0 | -0.1293 | 0.1943 |
| 0.45 | 78.0 | -0.0154 | 0.1741 |
| 0.45 | 282.0 | -0.1982 | 0.2176 |
| 0.45 | 294.0 | -0.2071 | 0.2424 |
| 0.55 | 66.0 | 0.2766 | 0.2348 |
| 0.55 | 78.0 | 0.2386 | 0.1824 |
| 0.55 | 270.0 | 0.3993 | 0.1797 |
| 0.55 | 282.0 | -0.239 | 0.2148 |
| 0.55 | 294.0 | 0.1717 | 0.2604 |
| 0.65 | 78.0 | 0.1919 | 0.2223 |
| 0.65 | 90.0 | 0.159 | 0.2214 |
| 0.65 | 102.0 | 0.0194 | 0.2662 |
| 0.65 | 258.0 | -0.0197 | 0.2133 |
| 0.65 | 270.0 | -0.0813 | 0.1661 |
| 0.65 | 282.0 | -0.0182 | 0.1749 |
| 0.75 | 102.0 | 0.1504 | 0.2125 |
| 0.75 | 114.0 | 0.0741 | 0.1841 |
| 0.75 | 126.0 | 0.1468 | 0.1904 |
| 0.75 | 234.0 | -0.1454 | 0.2312 |
| 0.75 | 246.0 | -0.1986 | 0.1862 |
| 0.75 | 258.0 | -0.2019 | 0.1579 |
| 0.75 | 270.0 | 0.068 | 0.1566 |
| 0.75 | 282.0 | 0.0997 | 0.2101 |
| 0.75 | 294.0 | 0.125 | 0.2359 |
| 0.85 | 90.0 | 0.1629 | 0.2185 |
| 0.85 | 102.0 | 0.1062 | 0.2004 |
| 0.85 | 114.0 | -0.0346 | 0.148 |
| 0.85 | 126.0 | 0.3889 | 0.1484 |
| 0.85 | 138.0 | 0.0154 | 0.1612 |
| 0.85 | 150.0 | -0.0951 | 0.2139 |
| 0.85 | 234.0 | 0.0669 | 0.221 |
| 0.85 | 246.0 | 0.1846 | 0.1644 |
| 0.85 | 258.0 | -0.0509 | 0.153 |
| 0.85 | 270.0 | 0.055 | 0.1516 |
| 0.85 | 282.0 | 0.2057 | 0.162 |
| 0.95 | 102.0 | 0.0236 | 0.2432 |
| 0.95 | 114.0 | -0.0025 | 0.1923 |
| 0.95 | 126.0 | 0.3795 | 0.1836 |
| 0.95 | 138.0 | 0.0779 | 0.2286 |
| 0.95 | 150.0 | -0.0136 | 0.2705 |
| 0.95 | 234.0 | -0.1696 | 0.228 |
| 0.95 | 246.0 | 0.0633 | 0.2281 |
| 0.95 | 258.0 | -0.1282 | 0.2116 |
| 0.95 | 270.0 | 0.0813 | 0.2075 |
Experiment comment: