Measurement E151M3354
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0473 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1655.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8345 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 270.0 | 0.3902 | 0.235 |
| 0.45 | 282.0 | 0.0237 | 0.1817 |
| 0.65 | 78.0 | -0.183 | 0.2507 |
| 0.65 | 126.0 | -0.1223 | 0.2236 |
| 0.65 | 210.0 | 0.0031 | 0.2119 |
| 0.75 | 66.0 | 0.0144 | 0.2512 |
| 0.75 | 210.0 | -0.0379 | 0.2459 |
| 0.75 | 222.0 | -0.0095 | 0.2325 |
| 0.75 | 234.0 | 0.5341 | 0.2239 |
| 0.75 | 270.0 | 0.2871 | 0.1853 |
| 0.75 | 282.0 | 0.1879 | 0.2219 |
| 0.75 | 294.0 | -0.0183 | 0.255 |
| 0.85 | 102.0 | 0.3309 | 0.2207 |
| 0.85 | 114.0 | -0.0732 | 0.1907 |
| 0.85 | 198.0 | -0.152 | 0.24 |
| 0.85 | 210.0 | 0.2233 | 0.2018 |
| 0.85 | 222.0 | -0.0744 | 0.1861 |
| 0.55 | 126.0 | 0.0594 | 0.2331 |
| 0.55 | 270.0 | 0.305 | 0.2299 |
| 0.65 | 198.0 | 0.1438 | 0.2611 |
| 0.65 | 282.0 | -0.1683 | 0.2401 |
| 0.75 | 198.0 | 0.1255 | 0.2457 |
| 0.75 | 210.0 | 0.2075 | 0.2258 |
| 0.75 | 222.0 | 0.3673 | 0.219 |
| 0.75 | 234.0 | -0.1733 | 0.2385 |
| 0.75 | 270.0 | -0.0263 | 0.1935 |
| 0.75 | 282.0 | -0.3182 | 0.2115 |
| 0.85 | 102.0 | 0.079 | 0.2516 |
| 0.85 | 114.0 | 0.0697 | 0.2027 |
| 0.85 | 126.0 | -0.0665 | 0.2291 |
| 0.85 | 198.0 | 0.1249 | 0.2217 |
| 0.85 | 210.0 | 0.1889 | 0.242 |
| 0.85 | 222.0 | -0.2233 | 0.2554 |
| 0.85 | 234.0 | 0.1264 | 0.2612 |
Experiment comment: