Measurement E151M3012
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2162 | |
| Q2: | 0.101 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9093 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | 0.1908 | 0.2582 |
| 0.15 | 294.0 | -0.0449 | 0.2687 |
| 0.25 | 54.0 | 0.6143 | 0.231 |
| 0.25 | 66.0 | 0.0048 | 0.2066 |
| 0.25 | 78.0 | 0.3878 | 0.2521 |
| 0.25 | 282.0 | 0.3352 | 0.2624 |
| 0.25 | 294.0 | 0.1485 | 0.2203 |
| 0.25 | 306.0 | -0.0248 | 0.2495 |
| 0.35 | 66.0 | 0.1067 | 0.1734 |
| 0.35 | 78.0 | -0.0511 | 0.1982 |
| 0.35 | 90.0 | -0.0018 | 0.2659 |
| 0.35 | 282.0 | -0.1601 | 0.1845 |
| 0.35 | 294.0 | -0.1465 | 0.1931 |
| 0.35 | 306.0 | -0.0225 | 0.2127 |
| 0.45 | 66.0 | -0.0499 | 0.1916 |
| 0.45 | 78.0 | 0.0704 | 0.1781 |
| 0.45 | 90.0 | -0.289 | 0.2221 |
| 0.45 | 270.0 | 0.0934 | 0.2748 |
| 0.45 | 282.0 | 0.176 | 0.2016 |
| 0.45 | 294.0 | -0.1733 | 0.2214 |
| 0.55 | 66.0 | 0.0091 | 0.2816 |
| 0.55 | 78.0 | -0.0147 | 0.1771 |
| 0.55 | 90.0 | 0.116 | 0.229 |
| 0.55 | 114.0 | -0.4807 | 0.2053 |
| 0.55 | 246.0 | -0.0352 | 0.2615 |
| 0.55 | 270.0 | -0.012 | 0.2488 |
| 0.55 | 282.0 | 0.1464 | 0.2062 |
| 0.55 | 294.0 | -0.2147 | 0.2039 |
| 0.65 | 66.0 | 0.1063 | 0.2041 |
| 0.65 | 102.0 | 0.0231 | 0.1771 |
| 0.65 | 114.0 | -0.0645 | 0.1672 |
| 0.65 | 126.0 | 0.0708 | 0.1826 |
| 0.65 | 138.0 | 0.2479 | 0.2251 |
| 0.65 | 210.0 | 0.2354 | 0.266 |
| 0.65 | 222.0 | -0.3898 | 0.2119 |
| 0.65 | 234.0 | 0.2029 | 0.2239 |
| 0.65 | 246.0 | 0.06 | 0.2157 |
| 0.65 | 258.0 | -0.048 | 0.2348 |
| 0.65 | 270.0 | 0.0453 | 0.2356 |
| 0.65 | 282.0 | -0.2237 | 0.259 |
| 0.65 | 294.0 | -0.1024 | 0.2491 |
| 0.65 | 306.0 | 0.2592 | 0.2823 |
| 0.75 | 90.0 | 0.0432 | 0.2061 |
| 0.75 | 102.0 | -0.0071 | 0.1773 |
| 0.75 | 114.0 | 0.3833 | 0.1502 |
| 0.75 | 126.0 | 0.0984 | 0.1638 |
| 0.75 | 138.0 | -0.1744 | 0.1964 |
| 0.75 | 150.0 | 0.4643 | 0.2267 |
| 0.75 | 198.0 | 0.0195 | 0.2644 |
| 0.75 | 210.0 | 0.2826 | 0.2172 |
| 0.75 | 222.0 | -0.084 | 0.1968 |
| 0.75 | 234.0 | 0.2931 | 0.1526 |
| 0.75 | 246.0 | -0.1587 | 0.15 |
| 0.75 | 258.0 | 0.0884 | 0.1971 |
| 0.75 | 270.0 | -0.3603 | 0.2032 |
| 0.85 | 78.0 | 0.4633 | 0.2439 |
| 0.85 | 90.0 | 0.2878 | 0.2264 |
| 0.85 | 102.0 | -0.1008 | 0.2216 |
| 0.85 | 114.0 | 0.0495 | 0.1744 |
| 0.85 | 126.0 | 0.1777 | 0.1833 |
| 0.85 | 138.0 | 0.3566 | 0.2073 |
| 0.85 | 150.0 | -0.0875 | 0.2352 |
| 0.85 | 210.0 | 0.0341 | 0.2555 |
| 0.85 | 222.0 | 0.2283 | 0.1916 |
| 0.85 | 234.0 | -0.1507 | 0.167 |
| 0.85 | 246.0 | 0.1338 | 0.1599 |
| 0.85 | 258.0 | 0.0245 | 0.1634 |
| 0.85 | 270.0 | -0.0785 | 0.1769 |
| 0.85 | 282.0 | 0.2897 | 0.2301 |
| 0.95 | 90.0 | -0.1467 | 0.2442 |
| 0.95 | 102.0 | 0.1377 | 0.2266 |
| 0.95 | 198.0 | -0.8429 | 0.1627 |
| 0.95 | 210.0 | -0.1506 | 0.2598 |
| 0.95 | 222.0 | 0.2077 | 0.2405 |
| 0.95 | 234.0 | 0.2197 | 0.2107 |
| 0.95 | 246.0 | 0.0509 | 0.1999 |
| 0.95 | 258.0 | -0.0316 | 0.1719 |
| 0.95 | 270.0 | -0.0782 | 0.2292 |
Experiment comment: