Measurement E151M2854
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0362 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.6738 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 18.0 | 0.1745 | 0.2721 |
| 0.45 | 30.0 | -0.36 | 0.2695 |
| 0.45 | 42.0 | 0.6829 | 0.2141 |
| 0.55 | 138.0 | 0.0629 | 0.2438 |
| 0.55 | 150.0 | -0.3061 | 0.2487 |
| 0.55 | 222.0 | -0.1689 | 0.2576 |
| 0.55 | 234.0 | 0.0974 | 0.2448 |
| 0.55 | 246.0 | -0.0799 | 0.2871 |
| 0.65 | 138.0 | 0.2128 | 0.2229 |
| 0.65 | 150.0 | -0.006 | 0.2434 |
| 0.65 | 210.0 | 0.0648 | 0.2287 |
| 0.65 | 222.0 | 0.0412 | 0.2322 |
| 0.65 | 234.0 | 0.0746 | 0.2218 |
| 0.75 | 150.0 | 0.0569 | 0.2468 |
| 0.75 | 162.0 | -0.5098 | 0.2589 |
| 0.75 | 222.0 | 0.28 | 0.2313 |
| 0.75 | 234.0 | 0.1402 | 0.212 |
| 0.75 | 246.0 | 0.0079 | 0.2125 |
| 0.85 | 222.0 | -0.4846 | 0.2074 |
| 0.85 | 234.0 | 0.1651 | 0.2312 |
| 0.85 | 246.0 | -0.134 | 0.216 |
| 0.35 | 42.0 | 0.2804 | 0.3275 |
| 0.55 | 210.0 | -0.1913 | 0.3654 |
| 0.55 | 222.0 | -0.3047 | 0.3643 |
| 0.55 | 246.0 | 0.7001 | 0.262 |
| 0.65 | 126.0 | -0.1868 | 0.3544 |
| 0.65 | 138.0 | -0.4274 | 0.2873 |
| 0.65 | 162.0 | 0.5123 | 0.2947 |
| 0.65 | 222.0 | -0.2642 | 0.2797 |
| 0.65 | 234.0 | -0.2186 | 0.2875 |
| 0.65 | 246.0 | -0.3905 | 0.2817 |
| 0.75 | 162.0 | 0.5957 | 0.2195 |
| 0.75 | 210.0 | -0.2493 | 0.3547 |
| 0.75 | 222.0 | 0.5074 | 0.2376 |
| 0.75 | 234.0 | -0.0476 | 0.3089 |
| 0.75 | 246.0 | 0.1576 | 0.2945 |
| 0.85 | 210.0 | -0.2665 | 0.3754 |
| 0.85 | 222.0 | -0.1074 | 0.2992 |
| 0.85 | 234.0 | 0.1889 | 0.3391 |
| 0.85 | 246.0 | 0.3557 | 0.251 |
| 0.85 | 258.0 | -0.0496 | 0.3729 |
Experiment comment: