Measurement E151M3621
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.077 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1805.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8287 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 114.0 | -0.3558 | 0.2565 |
| 0.75 | 90.0 | 0.6328 | 0.2444 |
| 0.75 | 102.0 | 0.2963 | 0.2571 |
| 0.75 | 210.0 | -0.0996 | 0.2224 |
| 0.85 | 90.0 | 0.0461 | 0.249 |
| 0.85 | 102.0 | 0.5588 | 0.2195 |
| 0.85 | 126.0 | -0.0077 | 0.2668 |
| 0.85 | 174.0 | 0.496 | 0.2119 |
| 0.85 | 186.0 | 0.161 | 0.2145 |
| 0.85 | 198.0 | 0.222 | 0.1923 |
| 0.85 | 210.0 | -0.0267 | 0.2239 |
| 0.85 | 222.0 | -0.0195 | 0.2421 |
| 0.85 | 234.0 | -0.1556 | 0.2097 |
| 0.95 | 186.0 | -0.1387 | 0.2709 |
| 0.95 | 198.0 | -0.536 | 0.2154 |
| 0.95 | 210.0 | 0.1492 | 0.2445 |
| 0.95 | 222.0 | -0.4902 | 0.2197 |
Experiment comment: