Measurement E151M2451
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2241 | |
| Q2: | 0.0245 GeV2 | |
| W: | 1205.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.9247 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | 0.0993 | 0.2356 |
| 0.35 | 54.0 | 0.0311 | 0.2461 |
| 0.45 | 270.0 | 0.5418 | 0.2204 |
| 0.45 | 282.0 | 0.218 | 0.2418 |
| 0.55 | 258.0 | -0.0834 | 0.2127 |
| 0.55 | 270.0 | -0.1769 | 0.1852 |
| 0.55 | 282.0 | -0.0414 | 0.2194 |
| 0.65 | 246.0 | -0.0467 | 0.2231 |
| 0.65 | 258.0 | -0.2076 | 0.1698 |
| 0.65 | 270.0 | -0.2824 | 0.1504 |
| 0.75 | 162.0 | 0.2088 | 0.1943 |
| 0.75 | 174.0 | -0.1797 | 0.2134 |
| 0.75 | 186.0 | -0.2579 | 0.2263 |
| 0.75 | 198.0 | -0.0674 | 0.2014 |
| 0.75 | 210.0 | 0.1536 | 0.2395 |
| 0.75 | 234.0 | -0.2799 | 0.2545 |
| 0.75 | 246.0 | 0.1919 | 0.2203 |
| 0.75 | 258.0 | 0.0466 | 0.1838 |
| 0.75 | 270.0 | 0.3171 | 0.241 |
| 0.85 | 150.0 | 0.1712 | 0.2063 |
| 0.85 | 162.0 | 0.2385 | 0.1948 |
| 0.85 | 174.0 | -0.1966 | 0.1889 |
| 0.85 | 186.0 | 0.132 | 0.174 |
| 0.85 | 198.0 | 0.3323 | 0.1957 |
| 0.85 | 210.0 | 0.3364 | 0.2302 |
| 0.85 | 222.0 | -0.2984 | 0.2383 |
Experiment comment: