Measurement E151M2682
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1702 | |
| Q2: | 0.0291 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.9299 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | 0.3873 | 0.3237 |
| 0.15 | 42.0 | -0.0821 | 0.1725 |
| 0.25 | 30.0 | 0.1429 | 0.2079 |
| 0.25 | 42.0 | -0.0061 | 0.1589 |
| 0.25 | 54.0 | -0.4658 | 0.1453 |
| 0.35 | 30.0 | 0.0327 | 0.1922 |
| 0.45 | 42.0 | 0.3052 | 0.2875 |
| 0.45 | 270.0 | -0.6221 | 0.2061 |
| 0.45 | 282.0 | -0.2425 | 0.357 |
| 0.55 | 234.0 | -0.0526 | 0.4216 |
| 0.55 | 246.0 | 0.0713 | 0.2705 |
| 0.55 | 258.0 | 0.0722 | 0.2413 |
| 0.55 | 270.0 | -0.1102 | 0.2143 |
| 0.55 | 282.0 | 0.465 | 0.2406 |
| 0.65 | 126.0 | -0.0966 | 0.3792 |
| 0.65 | 138.0 | -0.703 | 0.2039 |
| 0.65 | 222.0 | 0.7289 | 0.2017 |
| 0.65 | 234.0 | -0.1714 | 0.2617 |
| 0.65 | 246.0 | 0.1294 | 0.2137 |
| 0.65 | 258.0 | -0.2443 | 0.202 |
| 0.65 | 270.0 | -0.1481 | 0.2154 |
| 0.65 | 282.0 | 0.3531 | 0.243 |
| 0.75 | 126.0 | 0.576 | 0.1988 |
| 0.75 | 138.0 | 0.343 | 0.2333 |
| 0.75 | 150.0 | -0.1238 | 0.271 |
| 0.75 | 162.0 | -0.0034 | 0.2986 |
| 0.75 | 174.0 | -0.0433 | 0.3201 |
| 0.75 | 186.0 | 0.1421 | 0.3553 |
| 0.75 | 198.0 | 0.3636 | 0.3187 |
| 0.75 | 210.0 | -0.4525 | 0.3553 |
| 0.75 | 222.0 | -0.3026 | 0.2792 |
| 0.75 | 234.0 | 0.1635 | 0.2123 |
| 0.75 | 246.0 | 0.2317 | 0.1837 |
| 0.75 | 258.0 | -0.0376 | 0.1839 |
| 0.75 | 270.0 | 0.2122 | 0.1907 |
| 0.75 | 282.0 | 0.1541 | 0.266 |
| 0.85 | 114.0 | 0.3567 | 0.3364 |
| 0.85 | 126.0 | -0.5087 | 0.2375 |
| 0.85 | 138.0 | 0.0904 | 0.2537 |
| 0.85 | 150.0 | -0.1577 | 0.2129 |
| 0.85 | 162.0 | 0.2893 | 0.2458 |
| 0.85 | 174.0 | 0.2744 | 0.2258 |
| 0.85 | 186.0 | -0.1715 | 0.2842 |
| 0.85 | 198.0 | 0.0273 | 0.3226 |
| 0.85 | 210.0 | 0.0417 | 0.3846 |
| 0.85 | 222.0 | -0.4476 | 0.2784 |
| 0.85 | 234.0 | -0.2599 | 0.2335 |
| 0.85 | 246.0 | -0.2962 | 0.1941 |
| 0.85 | 258.0 | 0.1825 | 0.1795 |
| 0.85 | 270.0 | -0.282 | 0.2454 |
| 0.95 | 138.0 | 0.2297 | 0.3465 |
| 0.95 | 150.0 | -0.3106 | 0.3702 |
| 0.95 | 162.0 | -0.8179 | 0.201 |
| 0.95 | 174.0 | 0.1905 | 0.3443 |
| 0.95 | 246.0 | 0.1196 | 0.3311 |
| 0.95 | 258.0 | -0.3679 | 0.3536 |
| 0.35 | 42.0 | 0.0223 | 0.2081 |
| 0.45 | 30.0 | -0.155 | 0.2432 |
| 0.45 | 42.0 | -0.0129 | 0.21 |
| 0.45 | 258.0 | -0.0721 | 0.2596 |
| 0.45 | 270.0 | 0.6032 | 0.184 |
| 0.55 | 246.0 | 0.0465 | 0.1935 |
| 0.55 | 258.0 | -0.227 | 0.1594 |
| 0.55 | 270.0 | -0.3381 | 0.1453 |
| 0.55 | 282.0 | -0.2068 | 0.2227 |
| 0.65 | 126.0 | 0.5342 | 0.1909 |
| 0.65 | 138.0 | -0.1912 | 0.2614 |
| 0.65 | 150.0 | 0.0966 | 0.265 |
| 0.65 | 222.0 | 0.1302 | 0.2708 |
| 0.65 | 234.0 | 0.0047 | 0.1762 |
| 0.65 | 246.0 | -0.1375 | 0.1458 |
| 0.65 | 258.0 | 0.0585 | 0.1302 |
| 0.65 | 270.0 | 0.1726 | 0.1341 |
| 0.65 | 282.0 | -0.0699 | 0.2295 |
| 0.75 | 114.0 | 0.2941 | 0.2416 |
| 0.75 | 126.0 | 0.0252 | 0.1824 |
| 0.75 | 138.0 | -0.2565 | 0.1845 |
| 0.75 | 150.0 | 0.333 | 0.153 |
| 0.75 | 162.0 | 0.2607 | 0.1877 |
| 0.75 | 174.0 | -0.1875 | 0.1962 |
| 0.75 | 186.0 | -0.1137 | 0.2265 |
| 0.75 | 210.0 | -0.0534 | 0.2546 |
| 0.75 | 222.0 | 0.1076 | 0.1951 |
| 0.75 | 234.0 | -0.1245 | 0.1553 |
| 0.75 | 246.0 | -0.0019 | 0.1274 |
| 0.75 | 258.0 | 0.0099 | 0.1122 |
| 0.75 | 270.0 | -0.1527 | 0.1445 |
| 0.75 | 282.0 | -0.2585 | 0.185 |
| 0.85 | 114.0 | 0.5719 | 0.2362 |
| 0.85 | 126.0 | -0.0032 | 0.1885 |
| 0.85 | 138.0 | 0.091 | 0.1692 |
| 0.85 | 150.0 | -0.1013 | 0.1677 |
| 0.85 | 162.0 | 0.4641 | 0.1608 |
| 0.85 | 174.0 | -0.0937 | 0.185 |
| 0.85 | 186.0 | -0.339 | 0.2092 |
| 0.85 | 198.0 | -0.4935 | 0.2041 |
| 0.85 | 210.0 | -0.2857 | 0.2361 |
| 0.85 | 222.0 | 0.1672 | 0.1878 |
| 0.85 | 234.0 | 0.2224 | 0.1601 |
| 0.85 | 246.0 | -0.0464 | 0.1331 |
| 0.85 | 258.0 | -0.0203 | 0.1368 |
| 0.85 | 270.0 | -0.0047 | 0.1832 |
| 0.95 | 222.0 | -0.1465 | 0.2877 |
| 0.95 | 234.0 | 0.1748 | 0.2566 |
| 0.95 | 246.0 | -0.3295 | 0.2352 |
Experiment comment: