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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 : | 0.101 GeV2 | |
|---|---|---|
| W : | 1655 GeV | |
| ε : | 0.9074 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.084 |
|
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 | 54 | -0.2311 | 0.2584 | 0.0304 |
| 0.15 | 66 | -0.1088 | 0.264 | 0.0301 |
| 0.25 | 54 | -0.367 | 0.2054 | 0.0309 |
| 0.25 | 66 | 0.0404 | 0.2445 | 0.03 |
| 0.25 | 78 | -0.079 | 0.2203 | 0.03 |
| 0.25 | 270 | -0.1179 | 0.2474 | 0.0301 |
| 0.25 | 282 | 0.0723 | 0.2357 | 0.03 |
| 0.35 | 66 | 0.243 | 0.1726 | 0.0304 |
| 0.35 | 78 | 0.0596 | 0.2168 | 0.03 |
| 0.35 | 114 | 0.1535 | 0.2542 | 0.0302 |
| 0.35 | 258 | -0.0068 | 0.2108 | 0.03 |
| 0.35 | 270 | 0.2058 | 0.1939 | 0.0303 |
| 0.35 | 282 | 0.1258 | 0.1895 | 0.0301 |
| 0.35 | 294 | -0.0451 | 0.2375 | 0.03 |
| 0.45 | 66 | -0.0619 | 0.1799 | 0.03 |
| 0.45 | 78 | -0.1551 | 0.2153 | 0.0302 |
| 0.45 | 90 | 0.1059 | 0.2679 | 0.0301 |
| 0.45 | 102 | -0.2153 | 0.1945 | 0.0303 |
| 0.45 | 114 | -0.0877 | 0.1785 | 0.0301 |
| 0.45 | 126 | -0.1334 | 0.2197 | 0.0301 |
| 0.45 | 138 | -0.4956 | 0.2144 | 0.0316 |
| 0.45 | 210 | -0.0995 | 0.2786 | 0.0301 |
| 0.45 | 222 | -0.2165 | 0.2515 | 0.0303 |
| 0.45 | 246 | 0.2585 | 0.2483 | 0.0304 |
| 0.45 | 258 | 0.2927 | 0.1751 | 0.0306 |
| 0.45 | 270 | 0.2057 | 0.1449 | 0.0303 |
| 0.45 | 282 | 0.174 | 0.1404 | 0.0302 |
| 0.45 | 294 | -0.2825 | 0.1839 | 0.0305 |
| 0.55 | 54 | -0.061 | 0.2548 | 0.03 |
| 0.55 | 66 | -0.0389 | 0.1871 | 0.03 |
| 0.55 | 78 | -0.4052 | 0.2038 | 0.0311 |
| 0.55 | 90 | -0.2908 | 0.1845 | 0.0306 |
| 0.55 | 102 | 0.1525 | 0.167 | 0.0302 |
| 0.55 | 114 | -0.2551 | 0.1555 | 0.0304 |
| 0.55 | 126 | -0.2018 | 0.1549 | 0.0303 |
| 0.55 | 138 | -0.106 | 0.1992 | 0.0301 |
| 0.55 | 150 | -0.1891 | 0.2617 | 0.0302 |
| 0.55 | 186 | 0.1644 | 0.221 | 0.0302 |
| 0.55 | 198 | -0.3895 | 0.2288 | 0.031 |
| 0.55 | 210 | 0.246 | 0.2028 | 0.0304 |
| 0.55 | 222 | -0.0322 | 0.185 | 0.03 |
| 0.55 | 234 | 0.2372 | 0.2091 | 0.0304 |
| 0.55 | 246 | 0.1775 | 0.1831 | 0.0302 |
| 0.55 | 258 | 0.1942 | 0.1783 | 0.0303 |
| 0.55 | 270 | 0.0332 | 0.1561 | 0.03 |
| 0.55 | 282 | -0.2966 | 0.1759 | 0.0306 |
| 0.65 | 42 | -0.0803 | 0.221 | 0.03 |
| 0.65 | 54 | 0.0953 | 0.173 | 0.0301 |
| 0.65 | 66 | 0.035 | 0.2034 | 0.03 |
| 0.65 | 78 | -0.3542 | 0.2375 | 0.0308 |
| 0.65 | 90 | -0.2953 | 0.2134 | 0.0306 |
| 0.65 | 102 | 0.1119 | 0.1596 | 0.0301 |
| 0.65 | 114 | -0.0096 | 0.1394 | 0.03 |
| 0.65 | 126 | -0.0746 | 0.1349 | 0.03 |
| 0.65 | 138 | -0.1887 | 0.1625 | 0.0302 |
| 0.65 | 150 | -0.3696 | 0.2128 | 0.0309 |
| 0.65 | 174 | -0.1463 | 0.2306 | 0.0301 |
| 0.65 | 186 | 0.279 | 0.1936 | 0.0305 |
| 0.65 | 198 | 0.1112 | 0.1681 | 0.0301 |
| 0.65 | 210 | 0.2197 | 0.1484 | 0.0303 |
| 0.65 | 222 | 0.2031 | 0.1501 | 0.0303 |
| 0.65 | 234 | 0.0938 | 0.1898 | 0.0301 |
| 0.65 | 246 | 0.2192 | 0.1959 | 0.0303 |
| 0.65 | 258 | 0.1063 | 0.1883 | 0.0301 |
| 0.65 | 270 | -0.0729 | 0.2157 | 0.03 |
| 0.65 | 282 | -0.0791 | 0.1772 | 0.03 |
| 0.65 | 294 | 0.0574 | 0.1521 | 0.03 |
| 0.65 | 306 | 0.0629 | 0.2293 | 0.03 |
| 0.75 | 66 | 0.7851 | 0.1408 | 0.0339 |
| 0.75 | 78 | 0.0303 | 0.2599 | 0.03 |
| 0.75 | 90 | -0.3291 | 0.1497 | 0.0307 |
| 0.75 | 102 | 0.2522 | 0.1761 | 0.0304 |
| 0.75 | 114 | 0.0402 | 0.1675 | 0.03 |
| 0.75 | 126 | 0.0934 | 0.1488 | 0.0301 |
| 0.75 | 138 | -0.0139 | 0.1712 | 0.03 |
| 0.75 | 150 | -0.1148 | 0.2542 | 0.0301 |
| 0.75 | 174 | -0.1214 | 0.2107 | 0.0301 |
| 0.75 | 186 | -0.2066 | 0.1739 | 0.0303 |
| 0.75 | 198 | 0.007 | 0.1579 | 0.03 |
| 0.75 | 210 | 0.0549 | 0.1536 | 0.03 |
| 0.75 | 222 | 0.0509 | 0.1407 | 0.03 |
| 0.75 | 234 | 0.2656 | 0.1617 | 0.0305 |
| 0.75 | 246 | -0.1118 | 0.1917 | 0.0301 |
| 0.75 | 258 | -0.2122 | 0.2505 | 0.0303 |
| 0.75 | 270 | -0.117 | 0.1492 | 0.0301 |
| 0.75 | 282 | -0.0828 | 0.1292 | 0.03 |
| 0.75 | 294 | 0.007 | 0.1491 | 0.03 |
| 0.85 | 78 | 0.0602 | 0.1795 | 0.03 |
| 0.85 | 90 | -0.1408 | 0.1457 | 0.0301 |
| 0.85 | 102 | 0.0773 | 0.1199 | 0.03 |
| 0.85 | 114 | 0.0727 | 0.1558 | 0.03 |
| 0.85 | 126 | -0.0546 | 0.2095 | 0.03 |
| 0.85 | 138 | -0.0729 | 0.274 | 0.03 |
| 0.85 | 150 | -0.6763 | 0.1824 | 0.0329 |
| 0.85 | 162 | 0.2169 | 0.2459 | 0.0303 |
| 0.85 | 174 | -0.066 | 0.1704 | 0.03 |
| 0.85 | 186 | -0.1591 | 0.165 | 0.0302 |
| 0.85 | 198 | -0.0999 | 0.1488 | 0.0301 |
| 0.85 | 210 | 0.0606 | 0.1273 | 0.03 |
| 0.85 | 222 | 0.0288 | 0.1242 | 0.03 |
| 0.85 | 234 | -0.0632 | 0.1361 | 0.03 |
| 0.85 | 246 | 0.0171 | 0.1679 | 0.03 |
| 0.85 | 258 | -0.1297 | 0.1918 | 0.0301 |
| 0.85 | 270 | -0.0418 | 0.2274 | 0.03 |
| 0.85 | 282 | 0.1626 | 0.1869 | 0.0302 |
| 0.95 | 90 | -0.1372 | 0.2153 | 0.0301 |
| 0.95 | 102 | -0.4779 | 0.1744 | 0.0315 |
| 0.95 | 114 | -0.1148 | 0.2235 | 0.0301 |
| 0.95 | 126 | -0.0882 | 0.2459 | 0.0301 |
| 0.95 | 186 | 0.2363 | 0.2288 | 0.0304 |
| 0.95 | 198 | 0.2747 | 0.1737 | 0.0305 |
| 0.95 | 210 | -0.2314 | 0.1698 | 0.0304 |
| 0.95 | 222 | -0.0165 | 0.1631 | 0.03 |
| 0.95 | 234 | 0.2231 | 0.1696 | 0.0303 |
| 0.95 | 246 | 0.0882 | 0.2019 | 0.0301 |
| 0.95 | 258 | -0.4258 | 0.1874 | 0.0312 |