Measurement E151M2610
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0134 | |
| Q2: | 0.0084 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.6652 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 30.0 | 0.0056 | 0.2431 |
| 0.35 | 42.0 | 0.2238 | 0.2046 |
| 0.35 | 54.0 | -0.1916 | 0.1935 |
| 0.45 | 30.0 | -0.0292 | 0.2528 |
| 0.45 | 42.0 | -0.0183 | 0.1993 |
| 0.45 | 54.0 | 0.0974 | 0.1685 |
| 0.45 | 66.0 | 0.0739 | 0.22 |
| 0.45 | 222.0 | -0.2312 | 0.2549 |
| 0.55 | 30.0 | -0.0911 | 0.2171 |
| 0.55 | 42.0 | -0.1543 | 0.1693 |
| 0.55 | 54.0 | 0.2916 | 0.189 |
| 0.55 | 66.0 | -0.2376 | 0.2385 |
| 0.55 | 162.0 | 0.2194 | 0.2385 |
| 0.55 | 210.0 | -0.0851 | 0.2507 |
| 0.55 | 222.0 | -0.0479 | 0.1932 |
| 0.55 | 234.0 | 0.0798 | 0.1802 |
| 0.55 | 246.0 | -0.2942 | 0.2078 |
| 0.55 | 258.0 | 0.1229 | 0.2476 |
| 0.65 | 138.0 | -0.2747 | 0.2186 |
| 0.65 | 150.0 | 0.1462 | 0.2129 |
| 0.65 | 174.0 | 0.3824 | 0.2419 |
| 0.65 | 210.0 | -0.2004 | 0.2209 |
| 0.65 | 222.0 | 0.1581 | 0.2052 |
| 0.65 | 234.0 | -0.3115 | 0.1631 |
| 0.65 | 246.0 | -0.0315 | 0.2001 |
| 0.75 | 210.0 | -0.3828 | 0.2288 |
| 0.75 | 222.0 | -0.1759 | 0.2138 |
| 0.75 | 234.0 | 0.0817 | 0.1967 |
| 0.75 | 246.0 | -0.0823 | 0.1849 |
| 0.85 | 210.0 | 0.4554 | 0.204 |
| 0.85 | 222.0 | -0.3203 | 0.2064 |
| 0.85 | 234.0 | -0.3934 | 0.1709 |
| 0.85 | 246.0 | -0.3232 | 0.2058 |
Experiment comment: