Measurement E151M3157
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0283 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1715.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.722 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 78.0 | -0.2319 | 0.2534 |
| 0.35 | 282.0 | 0.2382 | 0.277 |
| 0.65 | 198.0 | 0.1543 | 0.2583 |
| 0.65 | 282.0 | 0.2455 | 0.265 |
| 0.75 | 66.0 | 0.1047 | 0.2297 |
| 0.75 | 210.0 | 0.2562 | 0.2242 |
| 0.75 | 270.0 | -0.2728 | 0.2159 |
| 0.75 | 282.0 | -0.3638 | 0.2475 |
| 0.85 | 114.0 | 0.2333 | 0.2195 |
| 0.85 | 126.0 | 0.2619 | 0.2704 |
| 0.85 | 198.0 | 0.2763 | 0.2443 |
| 0.85 | 222.0 | -0.2854 | 0.2293 |
Experiment comment: