Measurement E151M2808
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.237 | |
| Q2: | 0.205 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.655 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.65 | 126.0 | -0.3374 | 0.4311 |
| 0.65 | 246.0 | -0.0531 | 0.3665 |
| 0.75 | 222.0 | 0.3004 | 0.3864 |
| 0.75 | 234.0 | 0.4971 | 0.3047 |
| 0.75 | 246.0 | -0.2191 | 0.3074 |
| 0.75 | 258.0 | -0.7653 | 0.198 |
| 0.75 | 270.0 | -0.0625 | 0.3239 |
| 0.85 | 234.0 | 0.3929 | 0.3618 |
| 0.85 | 246.0 | -0.1205 | 0.3394 |
| 0.85 | 258.0 | -0.0286 | 0.3878 |
| 0.85 | 270.0 | -0.1293 | 0.3628 |
| 0.85 | 282.0 | 0.1994 | 0.3961 |
| 0.95 | 78.0 | 0.0168 | 0.3483 |
| 0.95 | 246.0 | -0.5672 | 0.3358 |
| 0.95 | 270.0 | -0.5584 | 0.389 |
| 0.95 | 282.0 | -0.3231 | 0.3879 |
| 0.55 | 258.0 | -0.321 | 0.2688 |
| 0.65 | 258.0 | -0.0296 | 0.279 |
| 0.75 | 126.0 | 0.0312 | 0.2296 |
| 0.75 | 138.0 | 0.4684 | 0.2372 |
| 0.75 | 222.0 | -0.0604 | 0.2717 |
| 0.75 | 258.0 | -0.324 | 0.2284 |
| 0.75 | 270.0 | 0.0761 | 0.2811 |
| 0.85 | 246.0 | -0.1635 | 0.258 |
| 0.85 | 270.0 | -0.0288 | 0.2783 |
| 0.85 | 282.0 | -0.2907 | 0.2397 |
| 0.95 | 282.0 | -0.137 | 0.2791 |
Experiment comment: