Measurement E151M3088
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1057 | |
| Q2: | 0.101 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8288 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 294.0 | 0.0286 | 0.281 |
| 0.45 | 78.0 | -0.1653 | 0.237 |
| 0.45 | 126.0 | -0.4689 | 0.223 |
| 0.45 | 282.0 | 0.1199 | 0.2518 |
| 0.55 | 114.0 | 0.3606 | 0.2542 |
| 0.55 | 126.0 | 0.093 | 0.237 |
| 0.55 | 270.0 | -0.0123 | 0.2761 |
| 0.55 | 282.0 | -0.56 | 0.1902 |
| 0.65 | 102.0 | -0.0508 | 0.276 |
| 0.65 | 114.0 | -0.0181 | 0.22 |
| 0.65 | 126.0 | 0.0296 | 0.2059 |
| 0.65 | 138.0 | -0.0289 | 0.2594 |
| 0.65 | 198.0 | -0.2934 | 0.2733 |
| 0.65 | 222.0 | 0.0483 | 0.2082 |
| 0.65 | 234.0 | -0.2448 | 0.1976 |
| 0.65 | 294.0 | -0.0665 | 0.2409 |
| 0.75 | 114.0 | 0.3344 | 0.2229 |
| 0.75 | 126.0 | 0.0828 | 0.2146 |
| 0.75 | 138.0 | -0.2506 | 0.2199 |
| 0.75 | 150.0 | 0.0098 | 0.2505 |
| 0.75 | 210.0 | 0.0348 | 0.2358 |
| 0.75 | 222.0 | -0.1526 | 0.2009 |
| 0.75 | 234.0 | 0.0937 | 0.185 |
| 0.75 | 246.0 | -0.173 | 0.2262 |
| 0.75 | 282.0 | 0.3058 | 0.1926 |
| 0.75 | 294.0 | -0.351 | 0.2241 |
| 0.85 | 90.0 | 0.1756 | 0.2511 |
| 0.85 | 114.0 | -0.1266 | 0.2457 |
| 0.85 | 126.0 | -0.0614 | 0.2682 |
| 0.85 | 210.0 | -0.5415 | 0.2115 |
| 0.85 | 222.0 | 0.0158 | 0.2049 |
| 0.85 | 234.0 | -0.0243 | 0.1991 |
| 0.85 | 246.0 | -0.0626 | 0.22 |
| 0.95 | 114.0 | -0.307 | 0.2555 |
| 0.95 | 222.0 | -0.1903 | 0.2255 |
| 0.95 | 234.0 | -0.2272 | 0.2451 |
Experiment comment: