Measurement E151M3321
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.129 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8673 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 114.0 | -0.3416 | 0.1736 |
| 0.65 | 102.0 | -0.149 | 0.2362 |
| 0.65 | 114.0 | -0.0456 | 0.2331 |
| 0.65 | 138.0 | 0.0574 | 0.2605 |
| 0.65 | 222.0 | 0.2238 | 0.2407 |
| 0.65 | 234.0 | 0.0529 | 0.1734 |
| 0.75 | 102.0 | 0.3128 | 0.2476 |
| 0.75 | 114.0 | 0.0372 | 0.1711 |
| 0.75 | 126.0 | -0.1901 | 0.2555 |
| 0.75 | 210.0 | -0.3419 | 0.2422 |
| 0.75 | 222.0 | -0.0972 | 0.2081 |
| 0.75 | 234.0 | 0.0413 | 0.1652 |
| 0.85 | 90.0 | 0.1785 | 0.24 |
| 0.85 | 222.0 | -0.2194 | 0.2069 |
| 0.85 | 234.0 | 0.0073 | 0.2279 |
| 0.85 | 246.0 | 0.0667 | 0.2608 |
| 0.95 | 234.0 | 0.1542 | 0.2415 |
| 0.95 | 246.0 | -0.1714 | 0.239 |
| 0.75 | 282.0 | -0.0213 | 0.2325 |
| 0.75 | 294.0 | 0.0967 | 0.2476 |
| 0.85 | 90.0 | 0.0302 | 0.2609 |
| 0.85 | 198.0 | 0.4937 | 0.2377 |
| 0.85 | 222.0 | 0.0554 | 0.2064 |
| 0.85 | 234.0 | 0.3126 | 0.2085 |
| 0.85 | 246.0 | -0.3708 | 0.2111 |
| 0.95 | 246.0 | -0.2043 | 0.2343 |
| 0.95 | 258.0 | 0.0451 | 0.2459 |
Experiment comment: