Measurement E151M3224
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3019 | |
| Q2: | 0.101 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.948 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | 0.3713 | 0.2428 |
| 0.25 | 66.0 | -0.1721 | 0.1868 |
| 0.25 | 294.0 | 0.1563 | 0.2051 |
| 0.25 | 306.0 | -0.1208 | 0.2224 |
| 0.35 | 66.0 | -0.27 | 0.1982 |
| 0.35 | 78.0 | -0.1012 | 0.239 |
| 0.35 | 282.0 | -0.128 | 0.2299 |
| 0.35 | 294.0 | -0.1582 | 0.1917 |
| 0.35 | 306.0 | -0.3402 | 0.2045 |
| 0.45 | 66.0 | 0.4223 | 0.2083 |
| 0.45 | 78.0 | 0.0125 | 0.1969 |
| 0.45 | 282.0 | -0.4229 | 0.2175 |
| 0.45 | 294.0 | 0.3713 | 0.1821 |
| 0.55 | 66.0 | 0.1501 | 0.2056 |
| 0.55 | 78.0 | -0.3045 | 0.2277 |
| 0.55 | 102.0 | 0.2992 | 0.2356 |
| 0.55 | 258.0 | -0.041 | 0.2615 |
| 0.55 | 270.0 | -0.0214 | 0.2294 |
| 0.55 | 282.0 | 0.0611 | 0.2362 |
| 0.65 | 66.0 | -0.0977 | 0.2465 |
| 0.65 | 78.0 | -0.08 | 0.2518 |
| 0.65 | 90.0 | 0.2147 | 0.2283 |
| 0.65 | 102.0 | 0.0672 | 0.251 |
| 0.65 | 114.0 | -0.314 | 0.2008 |
| 0.65 | 126.0 | -0.2779 | 0.2128 |
| 0.65 | 246.0 | -0.1685 | 0.1894 |
| 0.65 | 258.0 | -0.2535 | 0.1988 |
| 0.65 | 270.0 | -0.4198 | 0.1739 |
| 0.65 | 282.0 | 0.041 | 0.2419 |
| 0.75 | 90.0 | -0.14 | 0.2217 |
| 0.75 | 102.0 | -0.0805 | 0.1651 |
| 0.75 | 114.0 | -0.166 | 0.1522 |
| 0.75 | 126.0 | -0.0349 | 0.1806 |
| 0.75 | 138.0 | 0.2651 | 0.2179 |
| 0.75 | 222.0 | -0.0658 | 0.2103 |
| 0.75 | 234.0 | 0.2546 | 0.1893 |
| 0.75 | 246.0 | -0.0003 | 0.1821 |
| 0.75 | 258.0 | 0.1529 | 0.1644 |
| 0.75 | 270.0 | -0.063 | 0.183 |
| 0.75 | 282.0 | 0.3492 | 0.235 |
| 0.85 | 90.0 | -0.4092 | 0.2428 |
| 0.85 | 102.0 | 0.1918 | 0.1805 |
| 0.85 | 114.0 | -0.1114 | 0.1684 |
| 0.85 | 126.0 | 0.1635 | 0.1592 |
| 0.85 | 138.0 | 0.2108 | 0.1837 |
| 0.85 | 150.0 | -0.0819 | 0.2183 |
| 0.85 | 162.0 | 0.0413 | 0.2503 |
| 0.85 | 210.0 | -0.0588 | 0.2562 |
| 0.85 | 222.0 | -0.0454 | 0.1979 |
| 0.85 | 234.0 | -0.0466 | 0.1703 |
| 0.85 | 246.0 | 0.3009 | 0.144 |
| 0.85 | 258.0 | -0.1733 | 0.1471 |
| 0.85 | 270.0 | -0.2994 | 0.1638 |
| 0.85 | 282.0 | -0.1838 | 0.1857 |
| 0.95 | 126.0 | -0.1012 | 0.2189 |
| 0.95 | 138.0 | -0.003 | 0.2406 |
| 0.95 | 210.0 | -0.1378 | 0.2553 |
| 0.95 | 222.0 | 0.013 | 0.2193 |
| 0.95 | 246.0 | 0.0401 | 0.1924 |
| 0.95 | 258.0 | 0.0128 | 0.194 |
| 0.95 | 270.0 | -0.0623 | 0.1706 |
| 0.15 | 306.0 | 0.142 | 0.2654 |
| 0.25 | 66.0 | -0.2371 | 0.1757 |
| 0.25 | 294.0 | -0.3943 | 0.1768 |
| 0.25 | 306.0 | 0.0417 | 0.2151 |
| 0.35 | 66.0 | -0.0321 | 0.1955 |
| 0.35 | 78.0 | -0.0929 | 0.186 |
| 0.35 | 282.0 | 0.1639 | 0.2557 |
| 0.35 | 294.0 | -0.3163 | 0.1845 |
| 0.35 | 306.0 | -0.4447 | 0.2165 |
| 0.45 | 66.0 | 0.0451 | 0.1924 |
| 0.45 | 78.0 | 0.1915 | 0.1665 |
| 0.45 | 282.0 | -0.2843 | 0.2194 |
| 0.45 | 294.0 | 0.1332 | 0.1816 |
| 0.45 | 306.0 | 0.3602 | 0.2182 |
| 0.55 | 66.0 | -0.1401 | 0.2283 |
| 0.55 | 78.0 | 0.1894 | 0.1896 |
| 0.55 | 90.0 | -0.3105 | 0.2244 |
| 0.55 | 270.0 | -0.0215 | 0.2554 |
| 0.55 | 282.0 | 0.2688 | 0.2062 |
| 0.55 | 294.0 | -0.2286 | 0.2079 |
| 0.65 | 78.0 | 0.2055 | 0.2591 |
| 0.65 | 90.0 | -0.2543 | 0.24 |
| 0.65 | 102.0 | -0.2313 | 0.1997 |
| 0.65 | 114.0 | -0.0271 | 0.1909 |
| 0.65 | 126.0 | 0.2377 | 0.2081 |
| 0.65 | 246.0 | 0.2405 | 0.1811 |
| 0.65 | 258.0 | -0.0316 | 0.1995 |
| 0.65 | 270.0 | -0.2347 | 0.192 |
| 0.65 | 282.0 | 0.4317 | 0.2444 |
| 0.75 | 90.0 | -0.2934 | 0.2188 |
| 0.75 | 102.0 | -0.0267 | 0.1537 |
| 0.75 | 114.0 | 0.1286 | 0.1393 |
| 0.75 | 126.0 | 0.0043 | 0.1937 |
| 0.75 | 138.0 | 0.237 | 0.2493 |
| 0.75 | 210.0 | -0.4192 | 0.2246 |
| 0.75 | 222.0 | -0.426 | 0.1857 |
| 0.75 | 234.0 | 0.031 | 0.166 |
| 0.75 | 246.0 | -0.0378 | 0.1515 |
| 0.75 | 258.0 | -0.0728 | 0.1562 |
| 0.75 | 270.0 | 0.0423 | 0.1803 |
| 0.75 | 282.0 | 0.209 | 0.2518 |
| 0.85 | 90.0 | -0.1046 | 0.2173 |
| 0.85 | 102.0 | -0.2097 | 0.1505 |
| 0.85 | 114.0 | 0.1481 | 0.1519 |
| 0.85 | 126.0 | 0.0574 | 0.1636 |
| 0.85 | 138.0 | -0.0793 | 0.1762 |
| 0.85 | 150.0 | 0.2602 | 0.2356 |
| 0.85 | 222.0 | -0.2287 | 0.1851 |
| 0.85 | 234.0 | -0.3426 | 0.192 |
| 0.85 | 246.0 | 0.0704 | 0.1499 |
| 0.85 | 258.0 | -0.217 | 0.1366 |
| 0.85 | 270.0 | 0.0272 | 0.1554 |
| 0.85 | 282.0 | 0.2088 | 0.1791 |
| 0.95 | 114.0 | 0.0837 | 0.2147 |
| 0.95 | 126.0 | -0.1934 | 0.2401 |
| 0.95 | 138.0 | -0.4161 | 0.2098 |
| 0.95 | 150.0 | 0.7207 | 0.1752 |
| 0.95 | 210.0 | 0.1504 | 0.2452 |
| 0.95 | 222.0 | -0.0645 | 0.2142 |
| 0.95 | 234.0 | -0.5344 | 0.2065 |
| 0.95 | 246.0 | 0.0737 | 0.1825 |
| 0.95 | 258.0 | 0.3464 | 0.1581 |
| 0.95 | 270.0 | -0.0221 | 0.1861 |
Experiment comment: