Measurement E151M3297
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2491 | |
| Q2: | 0.205 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8719 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 114.0 | -0.3079 | 0.2481 |
| 0.55 | 282.0 | -0.2954 | 0.242 |
| 0.55 | 306.0 | -0.2303 | 0.2531 |
| 0.65 | 102.0 | 0.5899 | 0.2016 |
| 0.75 | 102.0 | 0.0326 | 0.2376 |
| 0.75 | 114.0 | 0.219 | 0.2428 |
| 0.75 | 126.0 | 0.2761 | 0.2512 |
| 0.75 | 222.0 | -0.0781 | 0.2178 |
| 0.75 | 234.0 | -0.021 | 0.2361 |
| 0.75 | 246.0 | -0.5611 | 0.1915 |
| 0.85 | 222.0 | -0.113 | 0.2446 |
| 0.85 | 246.0 | -0.1624 | 0.1939 |
| 0.85 | 258.0 | -0.2221 | 0.2236 |
| 0.95 | 258.0 | 0.0752 | 0.2631 |
| 0.95 | 270.0 | -0.4409 | 0.2515 |
| 0.35 | 282.0 | -0.3004 | 0.2396 |
| 0.35 | 294.0 | 0.4948 | 0.1965 |
| 0.55 | 114.0 | 0.1333 | 0.2283 |
| 0.55 | 306.0 | 0.2242 | 0.2514 |
| 0.65 | 102.0 | 0.0989 | 0.2586 |
| 0.65 | 234.0 | -0.316 | 0.2392 |
| 0.75 | 102.0 | -0.1019 | 0.2591 |
| 0.75 | 114.0 | -0.2227 | 0.1893 |
| 0.75 | 126.0 | 0.0103 | 0.2476 |
| 0.75 | 234.0 | -0.3532 | 0.2561 |
| 0.75 | 246.0 | -0.215 | 0.2314 |
| 0.75 | 258.0 | 0.2548 | 0.251 |
| 0.85 | 210.0 | 0.4899 | 0.2277 |
| 0.85 | 222.0 | 0.1887 | 0.2552 |
| 0.85 | 234.0 | 0.0688 | 0.2132 |
| 0.85 | 246.0 | 0.2668 | 0.2317 |
| 0.85 | 258.0 | -0.1691 | 0.2648 |
| 0.95 | 258.0 | 0.1281 | 0.2484 |
| 0.95 | 270.0 | 0.0617 | 0.2596 |
Experiment comment: