Measurement E151M2525
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0088 | |
| Q2: | 0.0023 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.8482 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 234.0 | 0.126 | 0.2073 |
| 0.55 | 246.0 | -0.0494 | 0.2089 |
| 0.65 | 234.0 | -0.1989 | 0.1987 |
| 0.65 | 246.0 | 0.3907 | 0.227 |
| 0.65 | 258.0 | -0.2295 | 0.2027 |
| 0.75 | 222.0 | -0.3624 | 0.231 |
| 0.75 | 234.0 | 0.1904 | 0.2247 |
| 0.75 | 246.0 | -0.1595 | 0.2075 |
| 0.75 | 258.0 | 0.0899 | 0.2672 |
| 0.85 | 222.0 | -0.1517 | 0.2332 |
| 0.85 | 234.0 | -0.2284 | 0.2448 |
| 0.85 | 246.0 | 0.1576 | 0.2542 |
Experiment comment: