Measurement E151M3082
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0407 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8546 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.1816 | 0.2624 |
| 0.25 | 78.0 | 0.316 | 0.2586 |
| 0.35 | 66.0 | -0.5654 | 0.2018 |
| 0.35 | 78.0 | -0.1247 | 0.2212 |
| 0.35 | 90.0 | 0.3499 | 0.2069 |
| 0.35 | 270.0 | -0.0754 | 0.237 |
| 0.35 | 282.0 | -0.3102 | 0.2069 |
| 0.45 | 66.0 | -0.3723 | 0.2132 |
| 0.45 | 78.0 | 0.0685 | 0.218 |
| 0.45 | 90.0 | 0.2279 | 0.2199 |
| 0.45 | 126.0 | -0.0195 | 0.2341 |
| 0.45 | 258.0 | -0.3445 | 0.2414 |
| 0.45 | 270.0 | 0.0589 | 0.2179 |
| 0.45 | 282.0 | -0.0591 | 0.2067 |
| 0.45 | 294.0 | -0.3333 | 0.2745 |
| 0.55 | 78.0 | -0.3945 | 0.1964 |
| 0.55 | 90.0 | 0.3061 | 0.2487 |
| 0.55 | 114.0 | -0.0742 | 0.2648 |
| 0.55 | 126.0 | -0.0361 | 0.215 |
| 0.55 | 138.0 | 0.1747 | 0.2677 |
| 0.55 | 150.0 | 0.1165 | 0.25 |
| 0.55 | 186.0 | -0.1979 | 0.2704 |
| 0.55 | 198.0 | 0.2326 | 0.2563 |
| 0.55 | 210.0 | 0.4325 | 0.234 |
| 0.55 | 222.0 | 0.0094 | 0.221 |
| 0.55 | 234.0 | 0.0757 | 0.2277 |
| 0.55 | 246.0 | 0.5418 | 0.2123 |
| 0.55 | 258.0 | -0.1232 | 0.1815 |
| 0.55 | 270.0 | 0.2755 | 0.1959 |
| 0.55 | 282.0 | -0.0348 | 0.2108 |
| 0.55 | 294.0 | -0.0949 | 0.2578 |
| 0.65 | 66.0 | 0.3661 | 0.2344 |
| 0.65 | 78.0 | -0.1885 | 0.2474 |
| 0.65 | 90.0 | -0.1886 | 0.2275 |
| 0.65 | 102.0 | -0.0636 | 0.2354 |
| 0.65 | 114.0 | 0.1449 | 0.2135 |
| 0.65 | 126.0 | 0.1121 | 0.1952 |
| 0.65 | 138.0 | -0.1867 | 0.1997 |
| 0.65 | 150.0 | 0.1934 | 0.2432 |
| 0.65 | 198.0 | 0.3475 | 0.2159 |
| 0.65 | 210.0 | -0.2012 | 0.2203 |
| 0.65 | 222.0 | 0.0643 | 0.2174 |
| 0.65 | 234.0 | -0.7059 | 0.1798 |
| 0.65 | 246.0 | -0.0306 | 0.2547 |
| 0.65 | 258.0 | -0.2069 | 0.2455 |
| 0.65 | 270.0 | 0.1031 | 0.2825 |
| 0.65 | 282.0 | 0.3911 | 0.2231 |
| 0.65 | 294.0 | 0.2435 | 0.2878 |
| 0.75 | 66.0 | -0.1124 | 0.225 |
| 0.75 | 78.0 | -0.4425 | 0.2487 |
| 0.75 | 90.0 | 0.0455 | 0.2873 |
| 0.75 | 114.0 | -0.0895 | 0.2734 |
| 0.75 | 126.0 | 0.319 | 0.2178 |
| 0.75 | 138.0 | 0.0566 | 0.2101 |
| 0.75 | 150.0 | 0.1452 | 0.2459 |
| 0.75 | 198.0 | -0.7932 | 0.1508 |
| 0.75 | 210.0 | 0.0587 | 0.1706 |
| 0.75 | 222.0 | -0.1007 | 0.1786 |
| 0.75 | 234.0 | 0.0744 | 0.1845 |
| 0.75 | 246.0 | 0.4432 | 0.2244 |
| 0.75 | 258.0 | -0.3597 | 0.2634 |
| 0.75 | 270.0 | -0.1282 | 0.1821 |
| 0.75 | 282.0 | 0.033 | 0.1587 |
| 0.75 | 294.0 | 0.0946 | 0.2247 |
| 0.85 | 102.0 | 0.6892 | 0.181 |
| 0.85 | 114.0 | -0.101 | 0.2051 |
| 0.85 | 126.0 | -0.2899 | 0.2287 |
| 0.85 | 138.0 | 0.7266 | 0.1978 |
| 0.85 | 198.0 | 0.2394 | 0.2329 |
| 0.85 | 210.0 | -0.2106 | 0.204 |
| 0.85 | 222.0 | -0.2539 | 0.1996 |
| 0.85 | 234.0 | -0.1458 | 0.2078 |
| 0.85 | 270.0 | -0.0424 | 0.2672 |
| 0.95 | 210.0 | -0.3218 | 0.2794 |
| 0.95 | 222.0 | 0.1988 | 0.2628 |
Experiment comment: