Measurement E151M3317
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0697 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8852 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 78.0 | 0.5071 | 0.2164 |
| 0.35 | 270.0 | 0.172 | 0.2519 |
| 0.35 | 282.0 | 0.0029 | 0.25 |
| 0.45 | 126.0 | -0.4542 | 0.2446 |
| 0.45 | 258.0 | -0.2937 | 0.251 |
| 0.45 | 270.0 | -0.3356 | 0.228 |
| 0.45 | 282.0 | -0.1637 | 0.234 |
| 0.55 | 114.0 | 0.2371 | 0.2105 |
| 0.55 | 126.0 | -0.1578 | 0.2252 |
| 0.55 | 258.0 | -0.1072 | 0.2285 |
| 0.55 | 270.0 | -0.043 | 0.2136 |
| 0.55 | 282.0 | 0.2413 | 0.2016 |
| 0.65 | 78.0 | 0.2346 | 0.2521 |
| 0.65 | 102.0 | -0.1894 | 0.2483 |
| 0.65 | 114.0 | 0.0531 | 0.2021 |
| 0.65 | 126.0 | 0.0534 | 0.1969 |
| 0.65 | 138.0 | -0.1101 | 0.1971 |
| 0.65 | 150.0 | -0.4179 | 0.2374 |
| 0.65 | 198.0 | 0.0224 | 0.2314 |
| 0.65 | 210.0 | 0.0512 | 0.2081 |
| 0.65 | 222.0 | -0.2709 | 0.211 |
| 0.65 | 234.0 | 0.3984 | 0.2099 |
| 0.65 | 270.0 | -0.0547 | 0.2522 |
| 0.65 | 294.0 | -0.1607 | 0.2225 |
| 0.75 | 66.0 | -0.2788 | 0.2338 |
| 0.75 | 102.0 | 0.0332 | 0.2478 |
| 0.75 | 114.0 | -0.2146 | 0.2382 |
| 0.75 | 126.0 | -0.5103 | 0.2049 |
| 0.75 | 138.0 | 0.0098 | 0.2146 |
| 0.75 | 198.0 | -0.1363 | 0.2453 |
| 0.75 | 210.0 | -0.1319 | 0.2238 |
| 0.75 | 222.0 | -0.0502 | 0.2231 |
| 0.75 | 234.0 | -0.1123 | 0.2251 |
| 0.75 | 246.0 | -0.1248 | 0.2243 |
| 0.75 | 270.0 | -0.1674 | 0.2129 |
| 0.75 | 282.0 | 0.0512 | 0.1676 |
| 0.75 | 294.0 | -0.469 | 0.2146 |
| 0.85 | 102.0 | 0.081 | 0.1747 |
| 0.85 | 198.0 | 0.1818 | 0.2566 |
| 0.85 | 210.0 | -0.1317 | 0.1955 |
| 0.85 | 222.0 | -0.1933 | 0.1964 |
| 0.85 | 234.0 | -0.1656 | 0.1789 |
| 0.85 | 246.0 | 0.2026 | 0.2197 |
| 0.95 | 222.0 | 0.1078 | 0.2526 |
| 0.95 | 234.0 | 0.0495 | 0.2401 |
| 0.25 | 78.0 | 0.0006 | 0.2304 |
| 0.35 | 66.0 | -0.1796 | 0.2277 |
| 0.35 | 78.0 | 0.2855 | 0.2025 |
| 0.35 | 270.0 | 0.4094 | 0.2105 |
| 0.35 | 282.0 | 0.0454 | 0.2046 |
| 0.45 | 66.0 | -0.3443 | 0.2326 |
| 0.45 | 78.0 | -0.0924 | 0.2272 |
| 0.45 | 114.0 | -0.3371 | 0.2507 |
| 0.45 | 138.0 | -0.0595 | 0.2541 |
| 0.45 | 270.0 | 0.2953 | 0.1977 |
| 0.45 | 282.0 | -0.152 | 0.2238 |
| 0.55 | 78.0 | 0.1755 | 0.246 |
| 0.55 | 114.0 | -0.1655 | 0.2026 |
| 0.55 | 126.0 | -0.0236 | 0.2625 |
| 0.55 | 138.0 | 0.6097 | 0.188 |
| 0.55 | 210.0 | -0.0297 | 0.2539 |
| 0.55 | 246.0 | -0.3428 | 0.2332 |
| 0.55 | 258.0 | 0.0129 | 0.2116 |
| 0.55 | 270.0 | 0.0387 | 0.2036 |
| 0.55 | 282.0 | -0.0943 | 0.2139 |
| 0.65 | 102.0 | 0.0273 | 0.2454 |
| 0.65 | 114.0 | 0.1431 | 0.1763 |
| 0.65 | 126.0 | 0.1465 | 0.1758 |
| 0.65 | 138.0 | -0.2977 | 0.2117 |
| 0.65 | 210.0 | 0.1457 | 0.2081 |
| 0.65 | 222.0 | 0.2774 | 0.1928 |
| 0.65 | 234.0 | -0.1106 | 0.2345 |
| 0.65 | 246.0 | 0.1018 | 0.2357 |
| 0.65 | 258.0 | 0.2928 | 0.2202 |
| 0.65 | 270.0 | 0.033 | 0.2505 |
| 0.65 | 282.0 | 0.6533 | 0.1889 |
| 0.75 | 66.0 | -0.5319 | 0.2262 |
| 0.75 | 102.0 | -0.1966 | 0.2401 |
| 0.75 | 114.0 | -0.0103 | 0.2178 |
| 0.75 | 126.0 | -0.1433 | 0.1696 |
| 0.75 | 138.0 | 0.0562 | 0.2108 |
| 0.75 | 150.0 | -0.0063 | 0.2412 |
| 0.75 | 198.0 | -0.0469 | 0.263 |
| 0.75 | 210.0 | -0.0241 | 0.2627 |
| 0.75 | 222.0 | -0.1237 | 0.2009 |
| 0.75 | 234.0 | 0.2839 | 0.194 |
| 0.75 | 246.0 | -0.038 | 0.2196 |
| 0.75 | 270.0 | 0.1214 | 0.2403 |
| 0.75 | 282.0 | -0.0884 | 0.1675 |
| 0.75 | 294.0 | 0.3339 | 0.216 |
| 0.85 | 90.0 | 0.1746 | 0.2613 |
| 0.85 | 102.0 | -0.0349 | 0.2026 |
| 0.85 | 114.0 | -0.045 | 0.2268 |
| 0.85 | 210.0 | -0.0067 | 0.2079 |
| 0.85 | 222.0 | 0.0709 | 0.1758 |
| 0.85 | 234.0 | -0.5461 | 0.1978 |
| 0.85 | 246.0 | -0.0263 | 0.2309 |
| 0.95 | 222.0 | 0.1282 | 0.2514 |
Experiment comment: