Measurement E151M3216
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5774 | |
| Q2: | 0.205 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9333 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.65 | 90.0 | 0.1253 | 0.2437 |
| 0.75 | 90.0 | 0.2461 | 0.2273 |
| 0.75 | 102.0 | -0.3025 | 0.2499 |
| 0.75 | 114.0 | -0.0684 | 0.2482 |
| 0.75 | 258.0 | -0.395 | 0.2267 |
| 0.75 | 270.0 | -0.0655 | 0.2411 |
| 0.75 | 294.0 | -0.046 | 0.2548 |
| 0.85 | 78.0 | -0.0735 | 0.2641 |
| 0.85 | 90.0 | 0.3144 | 0.2161 |
| 0.85 | 102.0 | -0.3382 | 0.1909 |
| 0.85 | 114.0 | -0.0952 | 0.2323 |
| 0.85 | 126.0 | 0.1607 | 0.231 |
| 0.85 | 234.0 | 0.6408 | 0.1974 |
| 0.85 | 246.0 | -0.1521 | 0.2382 |
| 0.85 | 258.0 | 0.31 | 0.2065 |
| 0.85 | 270.0 | 0.0955 | 0.2193 |
| 0.85 | 282.0 | 0.2082 | 0.2151 |
| 0.85 | 294.0 | -0.1924 | 0.229 |
| 0.95 | 102.0 | 0.6232 | 0.2167 |
| 0.95 | 114.0 | 0.0299 | 0.2308 |
| 0.95 | 126.0 | -0.0924 | 0.2598 |
| 0.95 | 270.0 | 0.007 | 0.2608 |
| 0.95 | 294.0 | 0.1648 | 0.2409 |
| 0.25 | 66.0 | 0.1253 | 0.2546 |
| 0.65 | 102.0 | 0.3069 | 0.2281 |
| 0.65 | 258.0 | 0.124 | 0.2324 |
| 0.65 | 270.0 | -0.1291 | 0.2311 |
| 0.65 | 282.0 | 0.1122 | 0.2345 |
| 0.75 | 78.0 | -0.3227 | 0.2189 |
| 0.75 | 90.0 | 0.0727 | 0.2515 |
| 0.75 | 102.0 | 0.0384 | 0.2217 |
| 0.75 | 246.0 | -0.3058 | 0.225 |
| 0.75 | 258.0 | -0.0833 | 0.1873 |
| 0.75 | 282.0 | 0.0088 | 0.2267 |
| 0.75 | 294.0 | 0.0121 | 0.2294 |
| 0.85 | 78.0 | 0.45 | 0.2349 |
| 0.85 | 90.0 | 0.3238 | 0.2034 |
| 0.85 | 102.0 | 0.1466 | 0.1762 |
| 0.85 | 114.0 | -0.0751 | 0.1928 |
| 0.85 | 126.0 | -0.5662 | 0.2155 |
| 0.85 | 234.0 | 0.1264 | 0.2607 |
| 0.85 | 246.0 | 0.1404 | 0.2233 |
| 0.85 | 258.0 | -0.2997 | 0.2073 |
| 0.85 | 282.0 | -0.2571 | 0.2176 |
| 0.85 | 294.0 | -0.1565 | 0.2101 |
| 0.95 | 90.0 | 0.2591 | 0.2505 |
| 0.95 | 102.0 | -0.2649 | 0.2425 |
| 0.95 | 114.0 | -0.5177 | 0.1923 |
| 0.95 | 126.0 | 0.3733 | 0.2293 |
| 0.95 | 258.0 | -0.3926 | 0.2137 |
| 0.95 | 270.0 | 0.166 | 0.2499 |
| 0.95 | 282.0 | -0.0168 | 0.2587 |
| 0.95 | 294.0 | -0.0568 | 0.2477 |
Experiment comment: