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Experiment: EG4, 2016
Spokespersons: Xiaochao Zheng
Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
No publications available for this experiment
Quantity measured: ALU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none
| Q2 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1505 GeV | |
| ε : | 0.877 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1032 |
|
Select data slice:
cos(θπ+) = |
Observable quantity measured (Y axis): ALU,
Parameter (X axis): φ(π+), degrees |
Click here to get data in text file, delimited with tabs.
Measured data:
| cos(θπ+) |
φ(π+),
degrees |
ALU | Stat. error | Syst. error |
|---|---|---|---|---|
| 0.15 | 66 | 0.3276 | 0.2422 | 0.0307 |
| 0.25 | 66 | 0.0368 | 0.2268 | 0.03 |
| 0.25 | 78 | -0.1672 | 0.2031 | 0.0302 |
| 0.25 | 282 | -0.0799 | 0.2198 | 0.03 |
| 0.25 | 294 | -0.327 | 0.1971 | 0.0307 |
| 0.25 | 306 | 0.0754 | 0.2828 | 0.03 |
| 0.35 | 66 | -0.1013 | 0.1863 | 0.0301 |
| 0.35 | 78 | 0.0757 | 0.1803 | 0.03 |
| 0.35 | 90 | 0.4195 | 0.1835 | 0.0312 |
| 0.35 | 270 | 0.203 | 0.2182 | 0.0303 |
| 0.35 | 282 | -0.0496 | 0.169 | 0.03 |
| 0.35 | 294 | -0.1586 | 0.1982 | 0.0302 |
| 0.35 | 306 | 0.0037 | 0.2613 | 0.03 |
| 0.35 | 330 | 0.2816 | 0.2469 | 0.0305 |
| 0.45 | 66 | 0.4563 | 0.1716 | 0.0314 |
| 0.45 | 78 | -0.127 | 0.1669 | 0.0301 |
| 0.45 | 90 | 0.2201 | 0.183 | 0.0303 |
| 0.45 | 102 | -0.1451 | 0.2517 | 0.0301 |
| 0.45 | 114 | 0.4784 | 0.2074 | 0.0315 |
| 0.45 | 126 | -0.007 | 0.2454 | 0.03 |
| 0.45 | 258 | -0.2343 | 0.1837 | 0.0304 |
| 0.45 | 270 | 0.0219 | 0.1558 | 0.03 |
| 0.45 | 282 | 0.3216 | 0.1644 | 0.0307 |
| 0.45 | 294 | 0.0758 | 0.1727 | 0.03 |
| 0.45 | 306 | 0.332 | 0.2687 | 0.0307 |
| 0.55 | 66 | -0.3581 | 0.2615 | 0.0308 |
| 0.55 | 78 | -0.0212 | 0.1758 | 0.03 |
| 0.55 | 90 | -0.1575 | 0.2295 | 0.0302 |
| 0.55 | 102 | 0.1354 | 0.2072 | 0.0301 |
| 0.55 | 114 | -0.0705 | 0.2024 | 0.03 |
| 0.55 | 126 | 0.0157 | 0.1839 | 0.03 |
| 0.55 | 138 | 0.0123 | 0.2133 | 0.03 |
| 0.55 | 198 | 0.6221 | 0.1997 | 0.0325 |
| 0.55 | 210 | 0.629 | 0.1903 | 0.0325 |
| 0.55 | 222 | 0.0548 | 0.2607 | 0.03 |
| 0.55 | 234 | 0.1199 | 0.2107 | 0.0301 |
| 0.55 | 246 | 0.2509 | 0.179 | 0.0304 |
| 0.55 | 258 | 0.1577 | 0.1778 | 0.0302 |
| 0.55 | 270 | -0.0096 | 0.1819 | 0.03 |
| 0.55 | 282 | -0.2677 | 0.1371 | 0.0305 |
| 0.55 | 294 | -0.3286 | 0.2012 | 0.0307 |
| 0.55 | 306 | -0.059 | 0.2635 | 0.03 |
| 0.65 | 66 | -0.1369 | 0.1792 | 0.0301 |
| 0.65 | 78 | -0.099 | 0.2175 | 0.0301 |
| 0.65 | 90 | 0.0542 | 0.25 | 0.03 |
| 0.65 | 102 | -0.1228 | 0.2453 | 0.0301 |
| 0.65 | 114 | 0.1764 | 0.1693 | 0.0302 |
| 0.65 | 126 | 0.1957 | 0.155 | 0.0303 |
| 0.65 | 138 | 0.1738 | 0.2283 | 0.0302 |
| 0.65 | 150 | 0.1894 | 0.2431 | 0.0302 |
| 0.65 | 198 | 0.0429 | 0.2135 | 0.03 |
| 0.65 | 210 | -0.4878 | 0.1785 | 0.0315 |
| 0.65 | 222 | 0.2269 | 0.1631 | 0.0303 |
| 0.65 | 234 | 0.0082 | 0.1729 | 0.03 |
| 0.65 | 246 | -0.119 | 0.2168 | 0.0301 |
| 0.65 | 258 | 0.0519 | 0.236 | 0.03 |
| 0.65 | 270 | 0.0106 | 0.2113 | 0.03 |
| 0.65 | 282 | -0.1859 | 0.2063 | 0.0302 |
| 0.65 | 294 | 0.0919 | 0.1817 | 0.0301 |
| 0.65 | 306 | 0.0078 | 0.2435 | 0.03 |
| 0.75 | 66 | 0.5529 | 0.211 | 0.032 |
| 0.75 | 102 | 0.4434 | 0.1972 | 0.0313 |
| 0.75 | 114 | -0.2989 | 0.1586 | 0.0306 |
| 0.75 | 126 | 0.3061 | 0.1582 | 0.0306 |
| 0.75 | 138 | 0.216 | 0.1801 | 0.0303 |
| 0.75 | 150 | 0.3222 | 0.223 | 0.0307 |
| 0.75 | 198 | -0.1444 | 0.2078 | 0.0301 |
| 0.75 | 210 | -0.3455 | 0.167 | 0.0308 |
| 0.75 | 222 | 0.0979 | 0.1642 | 0.0301 |
| 0.75 | 234 | 0.0336 | 0.1504 | 0.03 |
| 0.75 | 246 | 0.0148 | 0.1662 | 0.03 |
| 0.75 | 258 | -0.0428 | 0.2643 | 0.03 |
| 0.75 | 270 | 0.1355 | 0.2589 | 0.0301 |
| 0.75 | 282 | 0.0207 | 0.176 | 0.03 |
| 0.75 | 294 | -0.0054 | 0.1939 | 0.03 |
| 0.85 | 90 | 0.2829 | 0.2526 | 0.0305 |
| 0.85 | 102 | 0.127 | 0.2003 | 0.0301 |
| 0.85 | 114 | -0.2456 | 0.2244 | 0.0304 |
| 0.85 | 126 | 0.4022 | 0.2122 | 0.0311 |
| 0.85 | 138 | -0.0411 | 0.2122 | 0.03 |
| 0.85 | 198 | -0.4866 | 0.2106 | 0.0315 |
| 0.85 | 210 | -0.1975 | 0.1967 | 0.0303 |
| 0.85 | 222 | 0.0613 | 0.1744 | 0.03 |
| 0.85 | 234 | 0.3543 | 0.1527 | 0.0308 |
| 0.85 | 246 | 0.2065 | 0.1563 | 0.0303 |
| 0.85 | 258 | 0.3274 | 0.169 | 0.0307 |
| 0.95 | 114 | 0.3466 | 0.2057 | 0.0308 |
| 0.95 | 126 | -0.1632 | 0.2641 | 0.0302 |
| 0.95 | 222 | -0.1157 | 0.2213 | 0.0301 |
| 0.95 | 234 | 0.4938 | 0.1855 | 0.0316 |
| 0.95 | 246 | -0.0971 | 0.2596 | 0.0301 |