Measurement E151M3046
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2408 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8577 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | 0.1916 | 0.2586 |
| 0.25 | 66.0 | 0.535 | 0.1895 |
| 0.25 | 78.0 | -0.144 | 0.2864 |
| 0.25 | 294.0 | -0.1643 | 0.2241 |
| 0.35 | 66.0 | 0.2882 | 0.2119 |
| 0.35 | 78.0 | 0.1567 | 0.2052 |
| 0.35 | 282.0 | -0.0713 | 0.2198 |
| 0.35 | 294.0 | -0.3755 | 0.2588 |
| 0.45 | 66.0 | -0.3458 | 0.2415 |
| 0.45 | 78.0 | -0.2039 | 0.2714 |
| 0.45 | 282.0 | -0.2862 | 0.2396 |
| 0.45 | 294.0 | 0.2558 | 0.2165 |
| 0.55 | 66.0 | 0.2359 | 0.2639 |
| 0.55 | 102.0 | -0.1372 | 0.2163 |
| 0.55 | 114.0 | 0.3167 | 0.229 |
| 0.55 | 246.0 | -0.0128 | 0.2616 |
| 0.55 | 258.0 | -0.437 | 0.2494 |
| 0.55 | 282.0 | -0.0129 | 0.2394 |
| 0.55 | 306.0 | 0.5053 | 0.2055 |
| 0.65 | 66.0 | -0.4408 | 0.2441 |
| 0.65 | 90.0 | 0.1082 | 0.2387 |
| 0.65 | 102.0 | -0.1782 | 0.2001 |
| 0.65 | 114.0 | 0.0246 | 0.1984 |
| 0.65 | 126.0 | -0.3311 | 0.2118 |
| 0.65 | 138.0 | -0.2265 | 0.2645 |
| 0.65 | 222.0 | -0.0934 | 0.2559 |
| 0.65 | 234.0 | 0.2409 | 0.25 |
| 0.65 | 246.0 | 0.0103 | 0.2203 |
| 0.65 | 270.0 | -0.4546 | 0.2417 |
| 0.65 | 306.0 | 0.0766 | 0.2504 |
| 0.75 | 90.0 | -0.2625 | 0.247 |
| 0.75 | 102.0 | -0.0943 | 0.1876 |
| 0.75 | 114.0 | 0.1243 | 0.2085 |
| 0.75 | 126.0 | 0.2393 | 0.2158 |
| 0.75 | 138.0 | 0.217 | 0.2167 |
| 0.75 | 210.0 | -0.326 | 0.2197 |
| 0.75 | 222.0 | -0.0756 | 0.2244 |
| 0.75 | 234.0 | 0.1395 | 0.1826 |
| 0.75 | 246.0 | -0.1207 | 0.2036 |
| 0.75 | 258.0 | -0.4245 | 0.1752 |
| 0.75 | 270.0 | 0.2364 | 0.2485 |
| 0.85 | 78.0 | -0.0776 | 0.1964 |
| 0.85 | 114.0 | 0.0418 | 0.1919 |
| 0.85 | 126.0 | 0.0313 | 0.1935 |
| 0.85 | 138.0 | -0.1532 | 0.2761 |
| 0.85 | 210.0 | -0.3638 | 0.2517 |
| 0.85 | 222.0 | 0.3873 | 0.2108 |
| 0.85 | 234.0 | -0.0906 | 0.1922 |
| 0.85 | 246.0 | -0.3088 | 0.2109 |
| 0.85 | 258.0 | -0.0726 | 0.1909 |
| 0.85 | 270.0 | 0.3555 | 0.2068 |
| 0.95 | 78.0 | 0.0993 | 0.2713 |
| 0.95 | 90.0 | 0.334 | 0.1978 |
| 0.95 | 222.0 | 0.0975 | 0.247 |
| 0.95 | 234.0 | 0.2764 | 0.2151 |
| 0.95 | 246.0 | -0.4225 | 0.2069 |
| 0.95 | 258.0 | -0.1726 | 0.2152 |
| 0.95 | 270.0 | 0.1714 | 0.1696 |
| 0.95 | 282.0 | -0.1376 | 0.2148 |
Experiment comment: