Measurement E151M3034
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3798 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8315 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.65 | 90.0 | -0.009 | 0.2892 |
| 0.65 | 102.0 | -0.0284 | 0.2391 |
| 0.65 | 114.0 | 0.2098 | 0.2645 |
| 0.65 | 246.0 | 0.4488 | 0.2221 |
| 0.75 | 90.0 | -0.1383 | 0.2504 |
| 0.75 | 102.0 | 0.0396 | 0.2556 |
| 0.75 | 126.0 | 0.2775 | 0.2523 |
| 0.75 | 222.0 | 0.0675 | 0.2825 |
| 0.75 | 234.0 | -0.0577 | 0.223 |
| 0.75 | 246.0 | 0.106 | 0.2627 |
| 0.75 | 258.0 | 0.1893 | 0.2384 |
| 0.85 | 66.0 | 0.3948 | 0.1948 |
| 0.85 | 114.0 | 0.112 | 0.2553 |
| 0.85 | 126.0 | -0.0858 | 0.2615 |
| 0.85 | 222.0 | 0.4686 | 0.2304 |
| 0.85 | 234.0 | 0.3657 | 0.2255 |
| 0.85 | 246.0 | 0.0631 | 0.2446 |
| 0.85 | 258.0 | 0.1488 | 0.2685 |
| 0.85 | 270.0 | -0.0002 | 0.2446 |
| 0.85 | 282.0 | -0.1453 | 0.2473 |
| 0.85 | 294.0 | -0.0768 | 0.2673 |
| 0.95 | 66.0 | -0.4137 | 0.2477 |
| 0.95 | 258.0 | 0.0641 | 0.2788 |
| 0.95 | 282.0 | -0.4752 | 0.2207 |
Experiment comment: