Measurement E151M3069
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0651 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8676 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.132 | 0.2723 |
| 0.25 | 78.0 | 0.02 | 0.2393 |
| 0.25 | 282.0 | 0.1844 | 0.2437 |
| 0.25 | 294.0 | -0.3724 | 0.2525 |
| 0.35 | 18.0 | 0.2575 | 0.2344 |
| 0.35 | 54.0 | -0.2517 | 0.2388 |
| 0.35 | 66.0 | -0.0489 | 0.1882 |
| 0.35 | 78.0 | -0.1162 | 0.2011 |
| 0.35 | 90.0 | 0.29 | 0.1843 |
| 0.35 | 270.0 | -0.0511 | 0.1872 |
| 0.35 | 282.0 | -0.1736 | 0.1762 |
| 0.35 | 294.0 | -0.0513 | 0.2138 |
| 0.35 | 330.0 | -0.4143 | 0.2356 |
| 0.45 | 66.0 | -0.0483 | 0.1789 |
| 0.45 | 78.0 | -0.0576 | 0.1886 |
| 0.45 | 90.0 | -0.0781 | 0.199 |
| 0.45 | 102.0 | -0.2045 | 0.2157 |
| 0.45 | 114.0 | -0.1259 | 0.2345 |
| 0.45 | 126.0 | 0.1429 | 0.2789 |
| 0.45 | 138.0 | -0.0338 | 0.2868 |
| 0.45 | 246.0 | 0.2754 | 0.2764 |
| 0.45 | 258.0 | 0.4304 | 0.1905 |
| 0.45 | 270.0 | 0.2862 | 0.1562 |
| 0.45 | 282.0 | 0.2102 | 0.1605 |
| 0.45 | 294.0 | 0.2597 | 0.2112 |
| 0.45 | 306.0 | 0.0486 | 0.2763 |
| 0.45 | 318.0 | -0.0258 | 0.2596 |
| 0.55 | 78.0 | -0.1352 | 0.2037 |
| 0.55 | 90.0 | -0.1984 | 0.1977 |
| 0.55 | 102.0 | -0.1269 | 0.2142 |
| 0.55 | 114.0 | 0.288 | 0.2157 |
| 0.55 | 126.0 | -0.2368 | 0.1751 |
| 0.55 | 138.0 | -0.1095 | 0.1841 |
| 0.55 | 150.0 | -0.0084 | 0.2077 |
| 0.55 | 210.0 | 0.5598 | 0.1757 |
| 0.55 | 222.0 | 0.4469 | 0.2004 |
| 0.55 | 234.0 | -0.1539 | 0.226 |
| 0.55 | 246.0 | 0.1501 | 0.1931 |
| 0.55 | 258.0 | -0.0427 | 0.2032 |
| 0.55 | 270.0 | 0.1243 | 0.1872 |
| 0.55 | 282.0 | 0.1989 | 0.1722 |
| 0.65 | 78.0 | -0.1927 | 0.2165 |
| 0.65 | 90.0 | -0.0796 | 0.2555 |
| 0.65 | 102.0 | 0.4879 | 0.164 |
| 0.65 | 114.0 | -0.1914 | 0.182 |
| 0.65 | 126.0 | -0.3703 | 0.1574 |
| 0.65 | 138.0 | -0.138 | 0.1788 |
| 0.65 | 150.0 | -0.0535 | 0.2223 |
| 0.65 | 162.0 | -0.0799 | 0.2745 |
| 0.65 | 186.0 | -0.0005 | 0.2781 |
| 0.65 | 198.0 | -0.056 | 0.229 |
| 0.65 | 210.0 | -0.1766 | 0.1891 |
| 0.65 | 222.0 | 0.1251 | 0.1652 |
| 0.65 | 234.0 | 0.1688 | 0.2073 |
| 0.65 | 246.0 | -0.0659 | 0.211 |
| 0.65 | 258.0 | -0.1337 | 0.2044 |
| 0.65 | 270.0 | 0.3832 | 0.1982 |
| 0.65 | 282.0 | 0.1379 | 0.2338 |
| 0.65 | 294.0 | 0.1914 | 0.1869 |
| 0.75 | 66.0 | 0.2702 | 0.2124 |
| 0.75 | 78.0 | 0.3583 | 0.2215 |
| 0.75 | 90.0 | -0.6155 | 0.2129 |
| 0.75 | 102.0 | 0.445 | 0.2036 |
| 0.75 | 114.0 | -0.2057 | 0.181 |
| 0.75 | 126.0 | 0.1935 | 0.1659 |
| 0.75 | 138.0 | 0.2567 | 0.1658 |
| 0.75 | 150.0 | -0.3166 | 0.2333 |
| 0.75 | 162.0 | 0.3746 | 0.2655 |
| 0.75 | 186.0 | 0.2667 | 0.2724 |
| 0.75 | 198.0 | -0.3418 | 0.1632 |
| 0.75 | 210.0 | 0.2096 | 0.1663 |
| 0.75 | 222.0 | 0.0125 | 0.1488 |
| 0.75 | 234.0 | 0.0927 | 0.1547 |
| 0.75 | 246.0 | 0.4393 | 0.2061 |
| 0.75 | 258.0 | -0.0421 | 0.2156 |
| 0.75 | 270.0 | -0.3824 | 0.1773 |
| 0.75 | 282.0 | 0.2394 | 0.1601 |
| 0.75 | 294.0 | 0.1656 | 0.1659 |
| 0.85 | 102.0 | -0.0634 | 0.217 |
| 0.85 | 114.0 | 0.2571 | 0.2014 |
| 0.85 | 126.0 | -0.1257 | 0.2067 |
| 0.85 | 198.0 | -0.2654 | 0.226 |
| 0.85 | 210.0 | 0.0155 | 0.1832 |
| 0.85 | 222.0 | -0.2386 | 0.1816 |
| 0.85 | 234.0 | 0.233 | 0.1541 |
| 0.85 | 246.0 | -0.2497 | 0.192 |
| 0.85 | 258.0 | -0.0931 | 0.226 |
| 0.85 | 270.0 | -0.2403 | 0.2643 |
| 0.95 | 126.0 | 0.2146 | 0.2651 |
| 0.95 | 138.0 | 0.5441 | 0.2163 |
| 0.95 | 210.0 | 0.0 | 0.2187 |
| 0.95 | 222.0 | -0.0288 | 0.2503 |
| 0.95 | 234.0 | 0.2525 | 0.2167 |
| 0.95 | 246.0 | 0.1362 | 0.2624 |
Experiment comment: