Measurement E151M3509
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2997 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9119 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 294.0 | -0.2919 | 0.2742 |
| 0.15 | 66.0 | 0.2021 | 0.2466 |
| 0.15 | 282.0 | -0.0634 | 0.2779 |
| 0.15 | 294.0 | -0.2278 | 0.2266 |
| 0.25 | 66.0 | 0.2828 | 0.2449 |
| 0.25 | 78.0 | -0.3476 | 0.2603 |
| 0.25 | 282.0 | 0.1996 | 0.2332 |
| 0.25 | 294.0 | 0.2914 | 0.2557 |
| 0.25 | 306.0 | -0.55 | 0.206 |
| 0.35 | 102.0 | 0.2067 | 0.2463 |
| 0.35 | 270.0 | -0.3194 | 0.234 |
| 0.35 | 282.0 | 0.052 | 0.2371 |
| 0.35 | 294.0 | 0.2368 | 0.2279 |
| 0.45 | 54.0 | -0.4953 | 0.2466 |
| 0.45 | 90.0 | 0.4948 | 0.2298 |
| 0.45 | 102.0 | -0.2462 | 0.2178 |
| 0.45 | 270.0 | -0.0452 | 0.2845 |
| 0.45 | 282.0 | 0.3911 | 0.2462 |
| 0.45 | 294.0 | -0.2783 | 0.2238 |
| 0.45 | 306.0 | -0.1644 | 0.2693 |
| 0.55 | 78.0 | 0.0596 | 0.2739 |
| 0.55 | 90.0 | 0.2299 | 0.1824 |
| 0.55 | 102.0 | 0.2198 | 0.1894 |
| 0.55 | 114.0 | 0.2422 | 0.1874 |
| 0.55 | 246.0 | -0.1896 | 0.2815 |
| 0.55 | 282.0 | -0.1255 | 0.2235 |
| 0.55 | 306.0 | -0.126 | 0.2245 |
| 0.65 | 78.0 | -0.0518 | 0.245 |
| 0.65 | 90.0 | -0.1303 | 0.1569 |
| 0.65 | 102.0 | 0.171 | 0.1807 |
| 0.65 | 114.0 | 0.2058 | 0.2024 |
| 0.65 | 126.0 | 0.1537 | 0.2456 |
| 0.65 | 210.0 | -0.1716 | 0.2383 |
| 0.65 | 222.0 | -0.3628 | 0.197 |
| 0.65 | 234.0 | -0.0889 | 0.2349 |
| 0.65 | 246.0 | -0.2943 | 0.2035 |
| 0.65 | 258.0 | -0.2731 | 0.2502 |
| 0.65 | 270.0 | -0.0557 | 0.234 |
| 0.65 | 306.0 | 0.1054 | 0.2583 |
| 0.75 | 54.0 | -0.0237 | 0.2473 |
| 0.75 | 66.0 | -0.2937 | 0.1875 |
| 0.75 | 78.0 | -0.0508 | 0.2475 |
| 0.75 | 90.0 | -0.1493 | 0.1528 |
| 0.75 | 102.0 | -0.2531 | 0.1651 |
| 0.75 | 114.0 | 0.2136 | 0.1722 |
| 0.75 | 126.0 | -0.2932 | 0.2056 |
| 0.75 | 138.0 | -0.2783 | 0.2263 |
| 0.75 | 198.0 | 0.0565 | 0.2502 |
| 0.75 | 210.0 | -0.1167 | 0.1943 |
| 0.75 | 222.0 | -0.0191 | 0.1848 |
| 0.75 | 234.0 | -0.006 | 0.1602 |
| 0.75 | 246.0 | 0.0216 | 0.1772 |
| 0.75 | 258.0 | -0.2219 | 0.197 |
| 0.75 | 270.0 | 0.2597 | 0.2214 |
| 0.75 | 282.0 | -0.348 | 0.2124 |
| 0.85 | 54.0 | -0.0905 | 0.2026 |
| 0.85 | 66.0 | 0.1577 | 0.1538 |
| 0.85 | 78.0 | -0.1462 | 0.2147 |
| 0.85 | 90.0 | -0.1589 | 0.2515 |
| 0.85 | 102.0 | 0.0984 | 0.1721 |
| 0.85 | 114.0 | 0.008 | 0.1922 |
| 0.85 | 126.0 | 0.0619 | 0.215 |
| 0.85 | 174.0 | -0.0047 | 0.2546 |
| 0.85 | 198.0 | -0.1353 | 0.2172 |
| 0.85 | 210.0 | -0.0659 | 0.162 |
| 0.85 | 222.0 | -0.2335 | 0.1825 |
| 0.85 | 234.0 | -0.0747 | 0.157 |
| 0.85 | 246.0 | -0.068 | 0.1432 |
| 0.85 | 258.0 | -0.0359 | 0.149 |
| 0.85 | 270.0 | -0.2123 | 0.1548 |
| 0.85 | 282.0 | -0.2527 | 0.1796 |
| 0.85 | 294.0 | 0.1448 | 0.2446 |
| 0.85 | 306.0 | -0.218 | 0.24 |
| 0.95 | 54.0 | -0.3741 | 0.2502 |
| 0.95 | 66.0 | 0.0706 | 0.2168 |
| 0.95 | 78.0 | 0.1007 | 0.2296 |
| 0.95 | 186.0 | -0.0623 | 0.241 |
| 0.95 | 198.0 | -0.027 | 0.2209 |
| 0.95 | 210.0 | 0.1287 | 0.2088 |
| 0.95 | 222.0 | -0.2066 | 0.1664 |
| 0.95 | 234.0 | 0.1261 | 0.1861 |
| 0.95 | 246.0 | -0.1535 | 0.1823 |
| 0.95 | 258.0 | -0.4451 | 0.1596 |
| 0.95 | 270.0 | 0.0593 | 0.158 |
| 0.95 | 282.0 | 0.1831 | 0.1533 |
| 0.95 | 294.0 | 0.1785 | 0.1657 |
| 0.95 | 306.0 | -0.0959 | 0.18 |
| 0.95 | 318.0 | 0.0135 | 0.2123 |
Experiment comment: