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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 : | 0.1205 GeV2 | |
|---|---|---|
| W : | 1685 GeV | |
| ε : | 0.8932 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.0877 |
|
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 |
|---|---|---|---|---|
| 0.25 | 66 | -0.0009 | 0.2065 | 0.03 |
| 0.25 | 78 | -0.131 | 0.2361 | 0.0301 |
| 0.25 | 270 | 0.3931 | 0.2599 | 0.031 |
| 0.25 | 282 | -0.2623 | 0.2098 | 0.0305 |
| 0.35 | 66 | 0.2496 | 0.2051 | 0.0304 |
| 0.35 | 78 | -0.0169 | 0.2051 | 0.03 |
| 0.35 | 114 | 0.1764 | 0.2756 | 0.0302 |
| 0.35 | 258 | 0.0802 | 0.2178 | 0.03 |
| 0.35 | 270 | 0.1473 | 0.2138 | 0.0301 |
| 0.35 | 282 | 0.3942 | 0.1887 | 0.031 |
| 0.35 | 294 | 0.2605 | 0.2396 | 0.0304 |
| 0.45 | 66 | -0.0639 | 0.2373 | 0.03 |
| 0.45 | 78 | -0.1412 | 0.2778 | 0.0301 |
| 0.45 | 90 | 0.2964 | 0.2337 | 0.0306 |
| 0.45 | 102 | 0.1216 | 0.2181 | 0.0301 |
| 0.45 | 114 | 0.0007 | 0.2103 | 0.03 |
| 0.45 | 126 | -0.1961 | 0.2118 | 0.0303 |
| 0.45 | 138 | 0.1421 | 0.225 | 0.0301 |
| 0.45 | 198 | 0.1114 | 0.2785 | 0.0301 |
| 0.45 | 222 | -0.3528 | 0.2637 | 0.0308 |
| 0.45 | 246 | 0.3049 | 0.2538 | 0.0306 |
| 0.45 | 258 | -0.1024 | 0.2201 | 0.0301 |
| 0.45 | 270 | -0.2804 | 0.1638 | 0.0305 |
| 0.45 | 282 | -0.2105 | 0.1559 | 0.0303 |
| 0.45 | 294 | -0.1961 | 0.2244 | 0.0303 |
| 0.55 | 66 | -0.4821 | 0.2156 | 0.0315 |
| 0.55 | 78 | -0.0002 | 0.2201 | 0.03 |
| 0.55 | 90 | 0.0094 | 0.2535 | 0.03 |
| 0.55 | 102 | -0.4603 | 0.1576 | 0.0314 |
| 0.55 | 114 | -0.2961 | 0.1696 | 0.0306 |
| 0.55 | 126 | 0.2252 | 0.1855 | 0.0303 |
| 0.55 | 138 | -0.3302 | 0.1815 | 0.0307 |
| 0.55 | 186 | 0.4735 | 0.2514 | 0.0315 |
| 0.55 | 198 | 0.1074 | 0.2125 | 0.0301 |
| 0.55 | 210 | 0.293 | 0.1934 | 0.0306 |
| 0.55 | 222 | -0.015 | 0.1998 | 0.03 |
| 0.55 | 234 | -0.3303 | 0.1893 | 0.0307 |
| 0.55 | 246 | 0.1034 | 0.2055 | 0.0301 |
| 0.55 | 258 | -0.045 | 0.1998 | 0.03 |
| 0.55 | 270 | -0.0819 | 0.1716 | 0.03 |
| 0.55 | 282 | 0.0963 | 0.2071 | 0.0301 |
| 0.55 | 306 | 0.2549 | 0.2526 | 0.0304 |
| 0.65 | 42 | 0.0604 | 0.2747 | 0.03 |
| 0.65 | 54 | 0.055 | 0.1977 | 0.03 |
| 0.65 | 66 | 0.2589 | 0.2119 | 0.0304 |
| 0.65 | 78 | 0.112 | 0.2677 | 0.0301 |
| 0.65 | 90 | -0.2109 | 0.2371 | 0.0303 |
| 0.65 | 102 | 0.1949 | 0.1748 | 0.0303 |
| 0.65 | 114 | -0.148 | 0.1348 | 0.0301 |
| 0.65 | 126 | 0.0567 | 0.1593 | 0.03 |
| 0.65 | 138 | 0.2326 | 0.1738 | 0.0304 |
| 0.65 | 150 | -0.0205 | 0.2534 | 0.03 |
| 0.65 | 174 | -0.2803 | 0.2475 | 0.0305 |
| 0.65 | 186 | -0.1967 | 0.2135 | 0.0303 |
| 0.65 | 198 | -0.1117 | 0.1793 | 0.0301 |
| 0.65 | 210 | 0.2077 | 0.1679 | 0.0303 |
| 0.65 | 222 | -0.0743 | 0.166 | 0.03 |
| 0.65 | 234 | 0.0327 | 0.2028 | 0.03 |
| 0.65 | 246 | -0.1758 | 0.2215 | 0.0302 |
| 0.65 | 258 | -0.163 | 0.1899 | 0.0302 |
| 0.65 | 270 | 0.3127 | 0.2033 | 0.0306 |
| 0.65 | 282 | -0.0385 | 0.1906 | 0.03 |
| 0.65 | 294 | 0.2383 | 0.1603 | 0.0304 |
| 0.75 | 78 | 0.0689 | 0.2329 | 0.03 |
| 0.75 | 90 | -0.059 | 0.1722 | 0.03 |
| 0.75 | 102 | -0.0565 | 0.2214 | 0.03 |
| 0.75 | 114 | -0.3594 | 0.2046 | 0.0308 |
| 0.75 | 126 | -0.0814 | 0.1521 | 0.03 |
| 0.75 | 138 | 0.3391 | 0.1656 | 0.0308 |
| 0.75 | 150 | 0.3649 | 0.2143 | 0.0309 |
| 0.75 | 162 | -0.1286 | 0.202 | 0.0301 |
| 0.75 | 174 | 0.0056 | 0.2344 | 0.03 |
| 0.75 | 186 | -0.1922 | 0.203 | 0.0302 |
| 0.75 | 198 | 0.0993 | 0.1772 | 0.0301 |
| 0.75 | 210 | 0.1676 | 0.1571 | 0.0302 |
| 0.75 | 222 | -0.0204 | 0.1475 | 0.03 |
| 0.75 | 234 | 0.0659 | 0.1585 | 0.03 |
| 0.75 | 246 | -0.196 | 0.1771 | 0.0303 |
| 0.75 | 258 | 0.1164 | 0.2054 | 0.0301 |
| 0.75 | 270 | -0.0642 | 0.1692 | 0.03 |
| 0.75 | 282 | -0.0411 | 0.1626 | 0.03 |
| 0.75 | 294 | 0.1652 | 0.1546 | 0.0302 |
| 0.75 | 306 | 0.2459 | 0.2541 | 0.0304 |
| 0.85 | 78 | 0.2918 | 0.1806 | 0.0306 |
| 0.85 | 90 | 0.0729 | 0.1309 | 0.03 |
| 0.85 | 102 | -0.1263 | 0.1151 | 0.0301 |
| 0.85 | 114 | -0.1821 | 0.1621 | 0.0302 |
| 0.85 | 126 | 0.1059 | 0.2151 | 0.0301 |
| 0.85 | 162 | 0.2716 | 0.2127 | 0.0305 |
| 0.85 | 174 | 0.3664 | 0.1942 | 0.0309 |
| 0.85 | 186 | 0.188 | 0.1745 | 0.0302 |
| 0.85 | 198 | -0.2691 | 0.1313 | 0.0305 |
| 0.85 | 210 | -0.1418 | 0.136 | 0.0301 |
| 0.85 | 222 | 0.0756 | 0.1322 | 0.03 |
| 0.85 | 234 | -0.0058 | 0.144 | 0.03 |
| 0.85 | 246 | 0.0358 | 0.1588 | 0.03 |
| 0.85 | 258 | -0.2255 | 0.1661 | 0.0303 |
| 0.85 | 270 | 0.1829 | 0.2085 | 0.0302 |
| 0.85 | 282 | -0.032 | 0.2214 | 0.03 |
| 0.85 | 294 | 0.2121 | 0.258 | 0.0303 |
| 0.95 | 90 | 0.0354 | 0.2148 | 0.03 |
| 0.95 | 102 | -0.2 | 0.1822 | 0.0303 |
| 0.95 | 114 | -0.2537 | 0.2263 | 0.0304 |
| 0.95 | 126 | 0.2388 | 0.2201 | 0.0304 |
| 0.95 | 174 | -0.0147 | 0.2244 | 0.03 |
| 0.95 | 186 | -0.198 | 0.1734 | 0.0303 |
| 0.95 | 198 | -0.0018 | 0.1916 | 0.03 |
| 0.95 | 210 | -0.0549 | 0.1663 | 0.03 |
| 0.95 | 222 | 0.1657 | 0.1606 | 0.0302 |
| 0.95 | 234 | -0.1281 | 0.1607 | 0.0301 |
| 0.95 | 246 | -0.052 | 0.1689 | 0.03 |
| 0.95 | 258 | -0.027 | 0.211 | 0.03 |