Measurement E151M2588
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.01 | |
| Q2: | 0.005 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7229 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 54.0 | 0.0899 | 0.2633 |
| 0.45 | 66.0 | 0.0598 | 0.2538 |
| 0.55 | 54.0 | -0.4759 | 0.2153 |
| 0.55 | 234.0 | -0.0405 | 0.2325 |
| 0.65 | 42.0 | 0.1702 | 0.2486 |
| 0.65 | 222.0 | -0.2056 | 0.2181 |
| 0.65 | 234.0 | -0.302 | 0.2282 |
| 0.65 | 246.0 | 0.0538 | 0.207 |
| 0.75 | 234.0 | 0.0878 | 0.2152 |
| 0.85 | 222.0 | 0.4752 | 0.2178 |
| 0.85 | 234.0 | 0.0331 | 0.2322 |
Experiment comment: