Measurement E151M3454
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.7085 | |
| Q2: | 0.5925 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9026 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 78.0 | 0.3183 | 0.2291 |
| 0.55 | 90.0 | 0.3985 | 0.2459 |
| 0.55 | 270.0 | -0.1787 | 0.2639 |
| 0.65 | 78.0 | 0.219 | 0.2664 |
| 0.65 | 90.0 | -0.435 | 0.2377 |
| 0.65 | 102.0 | 0.3972 | 0.2588 |
| 0.65 | 258.0 | -0.5055 | 0.2286 |
| 0.75 | 78.0 | 0.2922 | 0.2557 |
| 0.75 | 90.0 | 0.2362 | 0.2187 |
| 0.75 | 102.0 | -0.189 | 0.2678 |
| 0.75 | 258.0 | 0.0992 | 0.2863 |
| 0.75 | 282.0 | -0.4111 | 0.252 |
| 0.75 | 294.0 | 0.2333 | 0.2433 |
| 0.85 | 78.0 | -0.0111 | 0.2804 |
| 0.85 | 90.0 | -0.0834 | 0.267 |
| 0.85 | 102.0 | -0.0226 | 0.2641 |
| 0.85 | 114.0 | 0.0898 | 0.2651 |
| 0.85 | 222.0 | -0.4307 | 0.2455 |
| 0.85 | 234.0 | 0.1182 | 0.2527 |
| 0.85 | 246.0 | -0.2561 | 0.2407 |
| 0.85 | 270.0 | -0.5582 | 0.2021 |
| 0.85 | 282.0 | 0.0361 | 0.2175 |
| 0.85 | 294.0 | 0.1561 | 0.2392 |
| 0.85 | 306.0 | -0.0747 | 0.2332 |
| 0.85 | 318.0 | 0.0715 | 0.2509 |
| 0.85 | 330.0 | 0.1736 | 0.2622 |
| 0.95 | 222.0 | -0.3943 | 0.2472 |
| 0.95 | 258.0 | -0.1258 | 0.2677 |
| 0.95 | 270.0 | 0.0754 | 0.239 |
| 0.95 | 282.0 | -0.0671 | 0.2673 |
Experiment comment: