Measurement E151M3550
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2897 | |
| Q2: | 0.496 GeV2 | |
| W: | 1625.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8443 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 90.0 | 0.2847 | 0.2748 |
| 0.65 | 102.0 | 0.393 | 0.2635 |
| 0.65 | 114.0 | -0.6076 | 0.2316 |
| 0.75 | 234.0 | 0.0689 | 0.2527 |
| 0.75 | 258.0 | 0.1532 | 0.2682 |
| 0.85 | 66.0 | -0.5023 | 0.2423 |
| 0.85 | 78.0 | -0.1573 | 0.2893 |
| 0.85 | 222.0 | -0.3342 | 0.2532 |
| 0.85 | 234.0 | -0.0499 | 0.2392 |
| 0.85 | 246.0 | -0.3039 | 0.2148 |
| 0.85 | 258.0 | 0.1342 | 0.2284 |
| 0.85 | 270.0 | -0.4475 | 0.2458 |
| 0.85 | 282.0 | -0.0384 | 0.2775 |
| 0.95 | 234.0 | -0.265 | 0.2347 |
| 0.95 | 246.0 | -0.0257 | 0.2548 |
| 0.95 | 258.0 | -0.0281 | 0.2737 |
| 0.95 | 270.0 | 0.1198 | 0.2597 |
| 0.95 | 282.0 | -0.3965 | 0.2534 |
| 0.95 | 294.0 | 0.2948 | 0.2387 |
| 0.95 | 306.0 | -0.6446 | 0.1981 |
| 0.95 | 318.0 | 0.0167 | 0.2734 |
Experiment comment: