Measurement E151M3062
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2366 | |
| Q2: | 0.205 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.828 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 294.0 | -0.2729 | 0.2261 |
| 0.35 | 66.0 | 0.0625 | 0.2415 |
| 0.35 | 294.0 | 0.3553 | 0.247 |
| 0.45 | 282.0 | -0.0787 | 0.2439 |
| 0.55 | 114.0 | 0.2939 | 0.2147 |
| 0.65 | 102.0 | 0.0167 | 0.2271 |
| 0.65 | 114.0 | -0.2877 | 0.2475 |
| 0.65 | 234.0 | 0.1419 | 0.2253 |
| 0.65 | 246.0 | -0.1684 | 0.2737 |
| 0.75 | 102.0 | 0.46 | 0.1912 |
| 0.75 | 114.0 | -0.3811 | 0.2127 |
| 0.75 | 126.0 | 0.0742 | 0.2452 |
| 0.75 | 210.0 | 0.066 | 0.2607 |
| 0.75 | 222.0 | 0.2299 | 0.2522 |
| 0.75 | 234.0 | 0.0071 | 0.2515 |
| 0.75 | 246.0 | 0.4446 | 0.1986 |
| 0.75 | 258.0 | 0.0132 | 0.2321 |
| 0.85 | 78.0 | 0.3023 | 0.2415 |
| 0.85 | 114.0 | 0.3471 | 0.224 |
| 0.85 | 126.0 | -0.0758 | 0.2718 |
| 0.85 | 210.0 | -0.1365 | 0.2293 |
| 0.85 | 222.0 | -0.5972 | 0.1934 |
| 0.85 | 234.0 | -0.2239 | 0.2105 |
| 0.85 | 246.0 | -0.0537 | 0.1883 |
| 0.85 | 258.0 | -0.1674 | 0.2112 |
| 0.85 | 270.0 | 0.0966 | 0.2252 |
| 0.95 | 210.0 | -0.3666 | 0.2556 |
| 0.95 | 222.0 | -0.4246 | 0.1949 |
| 0.95 | 234.0 | -0.2779 | 0.2403 |
| 0.95 | 246.0 | -0.1916 | 0.2035 |
| 0.95 | 258.0 | 0.2071 | 0.198 |
| 0.95 | 270.0 | -0.2646 | 0.2238 |
| 0.95 | 294.0 | -0.1285 | 0.2779 |
Experiment comment: