Measurement E151M3617
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0416 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1805.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.848 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 270.0 | -0.2802 | 0.2491 |
| 0.55 | 138.0 | -0.3097 | 0.2802 |
| 0.65 | 126.0 | -0.1665 | 0.2243 |
| 0.65 | 138.0 | -0.091 | 0.2622 |
| 0.65 | 198.0 | -0.677 | 0.2146 |
| 0.65 | 210.0 | 0.0481 | 0.269 |
| 0.65 | 270.0 | 0.1232 | 0.2544 |
| 0.65 | 282.0 | -0.0138 | 0.27 |
| 0.75 | 90.0 | -0.3405 | 0.2372 |
| 0.75 | 102.0 | 0.2202 | 0.1967 |
| 0.75 | 114.0 | -0.0115 | 0.2571 |
| 0.75 | 186.0 | 0.2762 | 0.2532 |
| 0.75 | 198.0 | -0.4865 | 0.1824 |
| 0.75 | 210.0 | -0.18 | 0.2129 |
| 0.75 | 222.0 | 0.1535 | 0.2207 |
| 0.75 | 258.0 | 0.3428 | 0.2723 |
| 0.75 | 270.0 | -0.0046 | 0.2276 |
| 0.75 | 282.0 | -0.4578 | 0.2078 |
| 0.85 | 90.0 | -0.1279 | 0.2409 |
| 0.85 | 102.0 | 0.1432 | 0.2053 |
| 0.85 | 114.0 | -0.1007 | 0.2089 |
| 0.85 | 126.0 | -0.188 | 0.2255 |
| 0.85 | 138.0 | 0.4006 | 0.2145 |
| 0.85 | 174.0 | 0.1479 | 0.234 |
| 0.85 | 186.0 | 0.137 | 0.1978 |
| 0.85 | 198.0 | 0.3994 | 0.1704 |
| 0.85 | 210.0 | 0.1893 | 0.1722 |
| 0.85 | 222.0 | 0.1224 | 0.2265 |
| 0.85 | 234.0 | 0.4013 | 0.2703 |
| 0.85 | 270.0 | -0.0851 | 0.2783 |
| 0.85 | 282.0 | -0.3165 | 0.2488 |
| 0.95 | 210.0 | 0.0999 | 0.2784 |
| 0.95 | 222.0 | 0.6531 | 0.1863 |
Experiment comment: