Measurement E151M2645
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2317 | |
| Q2: | 0.0245 GeV2 | |
| W: | 1205.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.9559 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 258.0 | -0.208 | 0.1976 |
| 0.55 | 270.0 | 0.0084 | 0.168 |
| 0.55 | 282.0 | -0.2171 | 0.2047 |
| 0.65 | 246.0 | 0.033 | 0.1872 |
| 0.65 | 258.0 | 0.2849 | 0.1514 |
| 0.65 | 270.0 | 0.0145 | 0.1732 |
| 0.75 | 150.0 | -0.1146 | 0.3534 |
| 0.75 | 174.0 | -0.2741 | 0.3275 |
| 0.75 | 186.0 | 0.325 | 0.3794 |
| 0.75 | 234.0 | -0.6014 | 0.2472 |
| 0.75 | 246.0 | -0.2848 | 0.2939 |
| 0.75 | 258.0 | -0.1055 | 0.307 |
| 0.75 | 270.0 | -0.0552 | 0.3279 |
| 0.85 | 138.0 | 0.1179 | 0.3729 |
| 0.85 | 150.0 | -0.4212 | 0.2599 |
| 0.85 | 162.0 | 0.2071 | 0.3605 |
| 0.85 | 174.0 | -0.3363 | 0.2723 |
| 0.85 | 186.0 | 0.087 | 0.3819 |
| 0.85 | 198.0 | -0.2573 | 0.3085 |
| 0.85 | 222.0 | 0.3551 | 0.3025 |
| 0.65 | 282.0 | 0.3858 | 0.2664 |
| 0.75 | 246.0 | 0.0327 | 0.239 |
| 0.75 | 258.0 | -0.2311 | 0.212 |
| 0.75 | 270.0 | -0.1568 | 0.214 |
| 0.85 | 150.0 | -0.0959 | 0.2595 |
| 0.85 | 162.0 | 0.0735 | 0.2361 |
| 0.85 | 174.0 | 0.2693 | 0.2144 |
| 0.85 | 186.0 | -0.0448 | 0.1915 |
| 0.85 | 198.0 | 0.0619 | 0.2292 |
Experiment comment: