Measurement E151M3179
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.7828 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1235.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9626 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.65 | 270.0 | -0.3674 | 0.1942 |
| 0.65 | 282.0 | 0.0182 | 0.2112 |
| 0.75 | 258.0 | 0.2785 | 0.2314 |
| 0.75 | 270.0 | 0.3199 | 0.2261 |
| 0.75 | 282.0 | 0.0573 | 0.2312 |
| 0.85 | 102.0 | 0.0061 | 0.2072 |
| 0.85 | 114.0 | 0.1608 | 0.2225 |
| 0.85 | 126.0 | -0.0151 | 0.2492 |
| 0.95 | 102.0 | 0.4562 | 0.216 |
| 0.95 | 126.0 | 0.1401 | 0.249 |
| 0.55 | 270.0 | -0.0902 | 0.2607 |
| 0.55 | 282.0 | -0.1895 | 0.2486 |
| 0.65 | 270.0 | -0.0713 | 0.2429 |
| 0.65 | 282.0 | 0.3917 | 0.2364 |
| 0.75 | 90.0 | -0.0292 | 0.2632 |
| 0.75 | 102.0 | -0.1815 | 0.2629 |
| 0.75 | 258.0 | -0.5991 | 0.2284 |
| 0.75 | 270.0 | -0.1908 | 0.1852 |
| 0.75 | 282.0 | 0.2031 | 0.1961 |
| 0.85 | 78.0 | 0.175 | 0.2524 |
| 0.85 | 90.0 | -0.0043 | 0.234 |
| 0.85 | 102.0 | -0.1315 | 0.2047 |
| 0.85 | 114.0 | 0.054 | 0.2085 |
| 0.85 | 258.0 | 0.1992 | 0.2393 |
| 0.85 | 282.0 | 0.068 | 0.2578 |
| 0.95 | 90.0 | 0.301 | 0.2532 |
| 0.95 | 102.0 | -0.3229 | 0.2462 |
| 0.95 | 114.0 | 0.2144 | 0.2287 |
| 0.95 | 126.0 | -0.0978 | 0.2044 |
| 0.95 | 138.0 | 0.0669 | 0.2375 |
| 0.95 | 150.0 | 0.2297 | 0.2439 |
Experiment comment: