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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 : | 1415 GeV | |
| ε : | 0.939 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.1645 |
|
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 | 54 | -0.0469 | 0.2417 | 0.03 |
| 0.25 | 66 | 0.0115 | 0.1413 | 0.0301 |
| 0.25 | 282 | -0.0635 | 0.2491 | 0.03 |
| 0.25 | 294 | -0.0455 | 0.1556 | 0.03 |
| 0.35 | 66 | -0.1067 | 0.1703 | 0.0301 |
| 0.35 | 78 | 0.144 | 0.2172 | 0.0301 |
| 0.35 | 282 | -0.0969 | 0.1777 | 0.0301 |
| 0.35 | 294 | -0.0196 | 0.1747 | 0.03 |
| 0.35 | 306 | 0.0877 | 0.2311 | 0.0301 |
| 0.45 | 66 | 0.2474 | 0.1844 | 0.0304 |
| 0.45 | 78 | 0.2453 | 0.1688 | 0.0304 |
| 0.45 | 90 | -0.1703 | 0.205 | 0.0302 |
| 0.45 | 102 | -0.0417 | 0.2675 | 0.03 |
| 0.45 | 270 | -0.1874 | 0.1935 | 0.0302 |
| 0.45 | 282 | -0.1659 | 0.1431 | 0.0302 |
| 0.45 | 294 | -0.0895 | 0.1612 | 0.0301 |
| 0.45 | 306 | -0.151 | 0.2404 | 0.0302 |
| 0.55 | 66 | 0.2525 | 0.2101 | 0.0304 |
| 0.55 | 78 | -0.0264 | 0.2355 | 0.03 |
| 0.55 | 90 | -0.2291 | 0.2299 | 0.0303 |
| 0.55 | 102 | -0.0142 | 0.197 | 0.03 |
| 0.55 | 114 | -0.0135 | 0.2181 | 0.03 |
| 0.55 | 126 | -0.092 | 0.2402 | 0.0301 |
| 0.55 | 246 | -0.1862 | 0.2365 | 0.0302 |
| 0.55 | 258 | -0.1568 | 0.2107 | 0.0302 |
| 0.55 | 270 | -0.0979 | 0.1832 | 0.0301 |
| 0.55 | 282 | -0.1344 | 0.1559 | 0.0301 |
| 0.55 | 294 | 0.2015 | 0.2141 | 0.0303 |
| 0.65 | 66 | 0.201 | 0.1936 | 0.0303 |
| 0.65 | 78 | 0.3292 | 0.2116 | 0.0307 |
| 0.65 | 90 | -0.3027 | 0.1869 | 0.0306 |
| 0.65 | 102 | 0.2584 | 0.1769 | 0.0304 |
| 0.65 | 114 | 0.0063 | 0.1414 | 0.03 |
| 0.65 | 126 | 0.1154 | 0.1875 | 0.0301 |
| 0.65 | 138 | -0.2372 | 0.2004 | 0.0304 |
| 0.65 | 150 | 0.3551 | 0.2609 | 0.0308 |
| 0.65 | 210 | 0.3745 | 0.2415 | 0.0309 |
| 0.65 | 222 | -0.1421 | 0.2331 | 0.0301 |
| 0.65 | 234 | -0.3561 | 0.1668 | 0.0308 |
| 0.65 | 246 | 0.0115 | 0.1616 | 0.03 |
| 0.65 | 258 | 0.4218 | 0.1887 | 0.0312 |
| 0.65 | 270 | -0.401 | 0.1942 | 0.0311 |
| 0.65 | 282 | 0.1815 | 0.179 | 0.0302 |
| 0.65 | 294 | 0.178 | 0.2131 | 0.0302 |
| 0.75 | 90 | -0.1064 | 0.2396 | 0.0301 |
| 0.75 | 102 | 0.1558 | 0.1807 | 0.0302 |
| 0.75 | 114 | 0.3727 | 0.1294 | 0.0309 |
| 0.75 | 126 | 0.0454 | 0.1551 | 0.03 |
| 0.75 | 138 | 0.0857 | 0.1661 | 0.03 |
| 0.75 | 150 | -0.0106 | 0.2324 | 0.03 |
| 0.75 | 198 | -0.2965 | 0.2518 | 0.0306 |
| 0.75 | 210 | -0.3472 | 0.1988 | 0.0308 |
| 0.75 | 222 | -0.4097 | 0.1917 | 0.0311 |
| 0.75 | 234 | 0.0446 | 0.1744 | 0.03 |
| 0.75 | 246 | 0.3123 | 0.1538 | 0.0306 |
| 0.75 | 258 | -0.0749 | 0.1773 | 0.03 |
| 0.85 | 90 | 0.2243 | 0.2683 | 0.0303 |
| 0.85 | 114 | -0.1717 | 0.2006 | 0.0302 |
| 0.85 | 126 | 0.0665 | 0.1725 | 0.03 |
| 0.85 | 138 | -0.1755 | 0.1921 | 0.0302 |
| 0.85 | 150 | 0.0989 | 0.2471 | 0.0301 |
| 0.85 | 210 | -0.1124 | 0.2452 | 0.0301 |
| 0.85 | 222 | 0.1062 | 0.1687 | 0.0301 |
| 0.85 | 234 | 0.0439 | 0.2033 | 0.03 |
| 0.85 | 246 | -0.0531 | 0.1481 | 0.03 |
| 0.85 | 258 | -0.2927 | 0.1756 | 0.0306 |
| 0.85 | 270 | 0.1961 | 0.2094 | 0.0303 |
| 0.85 | 282 | 0.322 | 0.2371 | 0.0307 |
| 0.95 | 210 | 0.269 | 0.2285 | 0.0305 |
| 0.95 | 222 | -0.1307 | 0.2281 | 0.0301 |
| 0.95 | 234 | -0.1591 | 0.2073 | 0.0302 |
| 0.95 | 246 | -0.0529 | 0.1908 | 0.03 |
| 0.95 | 258 | 0.0736 | 0.2234 | 0.03 |
| 0.25 | 306 | 0.0983 | 0.2532 | 0.0301 |
| 0.35 | 54 | 0.0936 | 0.2528 | 0.0301 |
| 0.35 | 66 | 0.0615 | 0.1576 | 0.03 |
| 0.35 | 78 | 0.0405 | 0.1568 | 0.03 |
| 0.35 | 270 | -0.1928 | 0.2362 | 0.0302 |
| 0.35 | 282 | -0.2187 | 0.1782 | 0.0303 |
| 0.35 | 294 | -0.1448 | 0.1845 | 0.0301 |
| 0.35 | 306 | 0.2765 | 0.2213 | 0.0305 |
| 0.45 | 66 | -0.0375 | 0.1833 | 0.03 |
| 0.45 | 78 | -0.0708 | 0.1549 | 0.03 |
| 0.45 | 90 | -0.1617 | 0.2143 | 0.0302 |
| 0.45 | 270 | 0.0393 | 0.1833 | 0.03 |
| 0.45 | 282 | -0.0304 | 0.1526 | 0.03 |
| 0.45 | 294 | 0.1464 | 0.1709 | 0.0301 |
| 0.45 | 306 | 0.1847 | 0.2535 | 0.0302 |
| 0.55 | 66 | 0.1142 | 0.2406 | 0.0301 |
| 0.55 | 78 | -0.3273 | 0.1792 | 0.0307 |
| 0.55 | 90 | 0.1794 | 0.1953 | 0.0302 |
| 0.55 | 102 | 0.0211 | 0.1887 | 0.03 |
| 0.55 | 114 | -0.3797 | 0.1836 | 0.0309 |
| 0.55 | 126 | -0.0802 | 0.186 | 0.03 |
| 0.55 | 246 | 0.2448 | 0.2252 | 0.0304 |
| 0.55 | 258 | 0.0039 | 0.2052 | 0.03 |
| 0.55 | 270 | -0.0373 | 0.173 | 0.03 |
| 0.55 | 282 | -0.1507 | 0.1718 | 0.0302 |
| 0.55 | 294 | -0.2201 | 0.2207 | 0.0303 |
| 0.55 | 306 | -0.1199 | 0.2597 | 0.0301 |
| 0.65 | 66 | 0.2534 | 0.2095 | 0.0304 |
| 0.65 | 78 | -0.2658 | 0.24 | 0.0305 |
| 0.65 | 90 | -0.3606 | 0.2055 | 0.0309 |
| 0.65 | 102 | 0.2484 | 0.1578 | 0.0304 |
| 0.65 | 114 | 0.0072 | 0.1692 | 0.03 |
| 0.65 | 126 | -0.3104 | 0.1615 | 0.0306 |
| 0.65 | 138 | 0.0823 | 0.1992 | 0.03 |
| 0.65 | 150 | 0.1944 | 0.2476 | 0.0303 |
| 0.65 | 210 | -0.3952 | 0.2436 | 0.031 |
| 0.65 | 222 | 0.2483 | 0.19 | 0.0304 |
| 0.65 | 234 | 0.5106 | 0.1572 | 0.0317 |
| 0.65 | 246 | 0.0132 | 0.1689 | 0.03 |
| 0.65 | 258 | -0.0998 | 0.1759 | 0.0301 |
| 0.65 | 270 | -0.223 | 0.1803 | 0.0303 |
| 0.65 | 282 | 0.0602 | 0.1862 | 0.03 |
| 0.65 | 294 | 0.0244 | 0.2177 | 0.03 |
| 0.75 | 78 | 0.2046 | 0.1879 | 0.0303 |
| 0.75 | 102 | -0.0347 | 0.1455 | 0.03 |
| 0.75 | 114 | 0.0301 | 0.1485 | 0.03 |
| 0.75 | 126 | 0.3847 | 0.1452 | 0.031 |
| 0.75 | 138 | -0.095 | 0.1762 | 0.0301 |
| 0.75 | 150 | -0.2206 | 0.2113 | 0.0303 |
| 0.75 | 162 | 0.4649 | 0.2197 | 0.0314 |
| 0.75 | 198 | -0.1242 | 0.2546 | 0.0301 |
| 0.75 | 210 | 0.2534 | 0.1965 | 0.0304 |
| 0.75 | 222 | -0.2024 | 0.1604 | 0.0303 |
| 0.75 | 234 | 0.0089 | 0.1555 | 0.03 |
| 0.75 | 246 | 0.1103 | 0.1537 | 0.0301 |
| 0.75 | 258 | -0.0221 | 0.1788 | 0.03 |
| 0.75 | 270 | 0.011 | 0.2066 | 0.03 |
| 0.75 | 282 | -0.4592 | 0.1932 | 0.0314 |
| 0.75 | 294 | 0.3671 | 0.2411 | 0.0309 |
| 0.85 | 90 | -0.2106 | 0.2569 | 0.0303 |
| 0.85 | 102 | 0.24 | 0.2264 | 0.0304 |
| 0.85 | 114 | 0.0838 | 0.1831 | 0.03 |
| 0.85 | 126 | -0.0446 | 0.1865 | 0.03 |
| 0.85 | 138 | -0.0943 | 0.1999 | 0.0301 |
| 0.85 | 150 | -0.0057 | 0.2144 | 0.03 |
| 0.85 | 210 | -0.107 | 0.1841 | 0.0301 |
| 0.85 | 222 | -0.2028 | 0.1761 | 0.0303 |
| 0.85 | 234 | 0.0706 | 0.1458 | 0.03 |
| 0.85 | 246 | 0.0141 | 0.1498 | 0.03 |
| 0.85 | 258 | 0.2142 | 0.1612 | 0.0303 |
| 0.85 | 270 | -0.1317 | 0.1662 | 0.0301 |
| 0.85 | 282 | 0.1042 | 0.2527 | 0.0301 |
| 0.95 | 102 | -0.0722 | 0.2441 | 0.03 |
| 0.95 | 210 | -0.1019 | 0.2581 | 0.0301 |
| 0.95 | 222 | -0.0581 | 0.2068 | 0.03 |
| 0.95 | 234 | -0.1303 | 0.2073 | 0.0301 |
| 0.95 | 246 | -0.2484 | 0.2053 | 0.0304 |
| 0.95 | 258 | 0.1916 | 0.1887 | 0.0302 |