Measurement E151M2609
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0113 | |
| Q2: | 0.0071 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.667 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 42.0 | 0.127 | 0.2012 |
| 0.35 | 54.0 | -0.3984 | 0.2196 |
| 0.45 | 42.0 | 0.0592 | 0.2068 |
| 0.45 | 54.0 | 0.0206 | 0.1629 |
| 0.45 | 234.0 | 0.4226 | 0.2272 |
| 0.55 | 42.0 | -0.0438 | 0.2126 |
| 0.55 | 54.0 | -0.0912 | 0.1983 |
| 0.55 | 222.0 | 0.2742 | 0.2217 |
| 0.55 | 234.0 | 0.1192 | 0.2202 |
| 0.55 | 246.0 | 0.2461 | 0.253 |
| 0.65 | 162.0 | 0.0793 | 0.2467 |
| 0.65 | 210.0 | -0.1472 | 0.2521 |
| 0.65 | 222.0 | 0.1688 | 0.1906 |
| 0.65 | 234.0 | 0.0081 | 0.176 |
| 0.65 | 246.0 | 0.1473 | 0.2226 |
| 0.75 | 210.0 | -0.1681 | 0.2382 |
| 0.75 | 222.0 | 0.2743 | 0.2068 |
| 0.75 | 234.0 | -0.3005 | 0.2219 |
| 0.75 | 246.0 | 0.2663 | 0.2202 |
| 0.75 | 258.0 | -0.2981 | 0.2414 |
| 0.85 | 222.0 | 0.3045 | 0.1972 |
| 0.85 | 234.0 | 0.0687 | 0.2107 |
| 0.85 | 246.0 | 0.0722 | 0.2207 |
Experiment comment: