Measurement E151M3213
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.4069 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9507 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.3372 | 0.2397 |
| 0.25 | 294.0 | 0.1122 | 0.257 |
| 0.35 | 66.0 | -0.0428 | 0.2055 |
| 0.35 | 78.0 | 0.1003 | 0.2351 |
| 0.45 | 66.0 | 0.2338 | 0.2203 |
| 0.45 | 78.0 | -0.2781 | 0.2501 |
| 0.45 | 294.0 | -0.317 | 0.2282 |
| 0.55 | 78.0 | 0.5906 | 0.1954 |
| 0.55 | 282.0 | 0.1947 | 0.26 |
| 0.65 | 102.0 | -0.4407 | 0.2105 |
| 0.65 | 246.0 | 0.3953 | 0.2183 |
| 0.65 | 258.0 | 0.2498 | 0.2155 |
| 0.65 | 270.0 | 0.0299 | 0.1852 |
| 0.75 | 90.0 | -0.2277 | 0.2249 |
| 0.75 | 102.0 | 0.26 | 0.179 |
| 0.75 | 114.0 | 0.1747 | 0.1935 |
| 0.75 | 126.0 | 0.2091 | 0.2503 |
| 0.75 | 222.0 | -0.1065 | 0.2562 |
| 0.75 | 234.0 | 0.2119 | 0.2052 |
| 0.75 | 246.0 | -0.0656 | 0.204 |
| 0.75 | 258.0 | -0.3386 | 0.1642 |
| 0.75 | 270.0 | -0.0782 | 0.1881 |
| 0.75 | 282.0 | -0.2857 | 0.1931 |
| 0.85 | 90.0 | -0.6223 | 0.1794 |
| 0.85 | 102.0 | 0.2594 | 0.1621 |
| 0.85 | 114.0 | -0.0259 | 0.1781 |
| 0.85 | 126.0 | -0.0152 | 0.2223 |
| 0.85 | 138.0 | -0.136 | 0.2426 |
| 0.85 | 150.0 | 0.4452 | 0.2318 |
| 0.85 | 222.0 | 0.2417 | 0.2274 |
| 0.85 | 234.0 | -0.1757 | 0.2384 |
| 0.85 | 246.0 | -0.0905 | 0.1764 |
| 0.85 | 258.0 | 0.0114 | 0.1794 |
| 0.85 | 270.0 | 0.067 | 0.1668 |
| 0.85 | 282.0 | 0.139 | 0.1777 |
| 0.95 | 114.0 | -0.2001 | 0.2489 |
| 0.95 | 126.0 | 0.0707 | 0.2526 |
| 0.95 | 138.0 | 0.2928 | 0.2317 |
| 0.95 | 150.0 | 0.2343 | 0.2197 |
| 0.95 | 210.0 | -0.062 | 0.2606 |
| 0.95 | 234.0 | -0.2613 | 0.2046 |
| 0.95 | 246.0 | -0.2964 | 0.1902 |
| 0.95 | 258.0 | -0.0731 | 0.2065 |
| 0.95 | 270.0 | 0.2333 | 0.2096 |
| 0.95 | 282.0 | -0.2251 | 0.2304 |
| 0.15 | 306.0 | 0.3 | 0.231 |
| 0.25 | 66.0 | 0.3365 | 0.1949 |
| 0.25 | 294.0 | -0.234 | 0.2064 |
| 0.35 | 66.0 | -0.0329 | 0.1912 |
| 0.35 | 294.0 | -0.0435 | 0.2185 |
| 0.45 | 66.0 | 0.456 | 0.197 |
| 0.45 | 78.0 | 0.2132 | 0.2308 |
| 0.45 | 282.0 | 0.0035 | 0.2392 |
| 0.45 | 294.0 | 0.1605 | 0.2149 |
| 0.55 | 66.0 | -0.004 | 0.2632 |
| 0.55 | 78.0 | 0.1121 | 0.2443 |
| 0.55 | 270.0 | -0.126 | 0.2304 |
| 0.65 | 90.0 | -0.4132 | 0.2439 |
| 0.65 | 102.0 | 0.4351 | 0.2358 |
| 0.65 | 114.0 | -0.0509 | 0.1961 |
| 0.65 | 246.0 | -0.6054 | 0.2216 |
| 0.65 | 258.0 | 0.1844 | 0.1879 |
| 0.65 | 270.0 | -0.1249 | 0.1883 |
| 0.65 | 282.0 | -0.1579 | 0.2264 |
| 0.75 | 90.0 | 0.0095 | 0.1952 |
| 0.75 | 102.0 | 0.0909 | 0.1773 |
| 0.75 | 114.0 | -0.0375 | 0.2141 |
| 0.75 | 126.0 | -0.0916 | 0.219 |
| 0.75 | 234.0 | 0.1218 | 0.1856 |
| 0.75 | 246.0 | -0.1139 | 0.1914 |
| 0.75 | 258.0 | -0.2589 | 0.1705 |
| 0.75 | 270.0 | -0.3543 | 0.1855 |
| 0.75 | 282.0 | -0.0423 | 0.1927 |
| 0.85 | 90.0 | 0.1692 | 0.1774 |
| 0.85 | 102.0 | 0.06 | 0.1733 |
| 0.85 | 114.0 | -0.4657 | 0.1579 |
| 0.85 | 126.0 | 0.1731 | 0.1568 |
| 0.85 | 138.0 | 0.0969 | 0.2052 |
| 0.85 | 150.0 | 0.1948 | 0.2383 |
| 0.85 | 222.0 | -0.2904 | 0.2121 |
| 0.85 | 234.0 | -0.1622 | 0.1921 |
| 0.85 | 246.0 | 0.0365 | 0.1826 |
| 0.85 | 258.0 | -0.0723 | 0.1557 |
| 0.85 | 270.0 | 0.086 | 0.1643 |
| 0.85 | 282.0 | -0.4029 | 0.1463 |
| 0.95 | 102.0 | 0.2394 | 0.2119 |
| 0.95 | 114.0 | -0.3476 | 0.1914 |
| 0.95 | 126.0 | -0.1501 | 0.1965 |
| 0.95 | 150.0 | -0.3291 | 0.2126 |
| 0.95 | 162.0 | 0.552 | 0.2195 |
| 0.95 | 222.0 | -0.2857 | 0.2517 |
| 0.95 | 246.0 | 0.3037 | 0.2077 |
| 0.95 | 258.0 | 0.1192 | 0.1954 |
| 0.95 | 270.0 | -0.0309 | 0.2021 |
| 0.95 | 282.0 | -0.2242 | 0.2165 |
Experiment comment: