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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 : | 0.1435 GeV2 | |
|---|---|---|
| W : | 1355 GeV | |
| ε : | 0.9673 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.4047 |
|
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 |
|---|---|---|---|---|
| 0.05 | 54 | 0.2409 | 0.305 | 0.0304 |
| 0.05 | 66 | -0.1783 | 0.2371 | 0.0302 |
| 0.05 | 306 | 0.0805 | 0.1973 | 0.03 |
| 0.15 | 54 | 0.3203 | 0.1916 | 0.0307 |
| 0.15 | 66 | 0.298 | 0.1828 | 0.0306 |
| 0.15 | 294 | 0.042 | 0.1933 | 0.03 |
| 0.15 | 306 | -0.1728 | 0.1903 | 0.0302 |
| 0.15 | 318 | -0.3155 | 0.2542 | 0.0307 |
| 0.25 | 54 | 0.1492 | 0.2088 | 0.0301 |
| 0.25 | 66 | 0.1498 | 0.1687 | 0.0301 |
| 0.25 | 78 | -0.139 | 0.2052 | 0.0301 |
| 0.25 | 282 | 0.6722 | 0.1734 | 0.0329 |
| 0.25 | 294 | -0.107 | 0.1613 | 0.0301 |
| 0.25 | 306 | -0.0752 | 0.1702 | 0.03 |
| 0.35 | 54 | 0.3552 | 0.1878 | 0.0308 |
| 0.35 | 66 | 0.1488 | 0.136 | 0.0301 |
| 0.35 | 78 | -0.0074 | 0.1772 | 0.03 |
| 0.35 | 282 | -0.2528 | 0.2034 | 0.0304 |
| 0.35 | 294 | -0.1293 | 0.1524 | 0.0301 |
| 0.35 | 306 | -0.1911 | 0.1749 | 0.0302 |
| 0.45 | 54 | -0.0951 | 0.2365 | 0.0301 |
| 0.45 | 66 | 0.1241 | 0.1492 | 0.0301 |
| 0.45 | 78 | -0.2018 | 0.1764 | 0.0303 |
| 0.45 | 282 | 0.1891 | 0.2019 | 0.0302 |
| 0.45 | 294 | 0.121 | 0.1629 | 0.0301 |
| 0.45 | 306 | 0.0104 | 0.2447 | 0.03 |
| 0.55 | 54 | 0.4349 | 0.1904 | 0.0312 |
| 0.55 | 66 | -0.1015 | 0.1916 | 0.0301 |
| 0.55 | 78 | 0.2779 | 0.2248 | 0.0305 |
| 0.55 | 90 | -0.0757 | 0.1627 | 0.03 |
| 0.55 | 102 | -0.0554 | 0.2424 | 0.03 |
| 0.55 | 258 | -0.3564 | 0.2192 | 0.0308 |
| 0.55 | 270 | -0.0171 | 0.1768 | 0.03 |
| 0.55 | 282 | 0.2061 | 0.1643 | 0.0303 |
| 0.55 | 294 | 0.1221 | 0.2171 | 0.0301 |
| 0.65 | 66 | -0.0845 | 0.2358 | 0.03 |
| 0.65 | 78 | -0.011 | 0.1709 | 0.03 |
| 0.65 | 90 | 0.1158 | 0.1626 | 0.0301 |
| 0.65 | 102 | -0.145 | 0.1344 | 0.0301 |
| 0.65 | 114 | -0.1147 | 0.1717 | 0.0301 |
| 0.65 | 246 | -0.1804 | 0.1696 | 0.0302 |
| 0.65 | 258 | 0.067 | 0.1558 | 0.03 |
| 0.65 | 270 | -0.0989 | 0.1449 | 0.0301 |
| 0.65 | 282 | -0.0804 | 0.1782 | 0.03 |
| 0.65 | 294 | -0.1653 | 0.2506 | 0.0302 |
| 0.75 | 66 | 0.0637 | 0.255 | 0.03 |
| 0.75 | 78 | 0.1064 | 0.1302 | 0.0301 |
| 0.75 | 90 | -0.2727 | 0.1118 | 0.0305 |
| 0.75 | 102 | -0.1361 | 0.1092 | 0.0301 |
| 0.75 | 114 | -0.043 | 0.1257 | 0.03 |
| 0.75 | 126 | 0.0078 | 0.1439 | 0.03 |
| 0.75 | 138 | 0.0724 | 0.241 | 0.03 |
| 0.75 | 222 | -0.1833 | 0.2186 | 0.0302 |
| 0.75 | 234 | 0.0032 | 0.1461 | 0.03 |
| 0.75 | 246 | 0.1203 | 0.1298 | 0.0301 |
| 0.75 | 258 | -0.0959 | 0.1224 | 0.0301 |
| 0.75 | 270 | 0.0938 | 0.1165 | 0.0301 |
| 0.75 | 282 | 0.0749 | 0.1437 | 0.03 |
| 0.75 | 294 | -0.1596 | 0.1766 | 0.0302 |
| 0.85 | 66 | 0.1528 | 0.1821 | 0.0302 |
| 0.85 | 78 | -0.0422 | 0.1646 | 0.03 |
| 0.85 | 90 | 0.0595 | 0.1131 | 0.03 |
| 0.85 | 102 | 0.0041 | 0.1016 | 0.03 |
| 0.85 | 114 | 0.0807 | 0.1153 | 0.03 |
| 0.85 | 126 | -0.1354 | 0.1176 | 0.0301 |
| 0.85 | 138 | -0.2864 | 0.1336 | 0.0305 |
| 0.85 | 150 | 0.4069 | 0.1774 | 0.0311 |
| 0.85 | 162 | 0.4469 | 0.2278 | 0.0313 |
| 0.85 | 186 | 0.1604 | 0.2537 | 0.0302 |
| 0.85 | 198 | -0.1616 | 0.2256 | 0.0302 |
| 0.85 | 210 | -0.0457 | 0.1765 | 0.03 |
| 0.85 | 222 | 0.0801 | 0.1392 | 0.03 |
| 0.85 | 234 | -0.0741 | 0.1158 | 0.03 |
| 0.85 | 246 | 0.0862 | 0.1085 | 0.03 |
| 0.85 | 258 | 0.0234 | 0.1121 | 0.03 |
| 0.85 | 270 | -0.0411 | 0.1136 | 0.03 |
| 0.85 | 282 | 0.0718 | 0.106 | 0.03 |
| 0.85 | 294 | 0.0356 | 0.1171 | 0.03 |
| 0.95 | 66 | -0.4359 | 0.1805 | 0.0312 |
| 0.95 | 90 | -0.1249 | 0.1639 | 0.0301 |
| 0.95 | 102 | 0.0339 | 0.1547 | 0.03 |
| 0.95 | 114 | 0.0371 | 0.1371 | 0.03 |
| 0.95 | 126 | -0.1181 | 0.1382 | 0.0301 |
| 0.95 | 138 | -0.0638 | 0.1588 | 0.03 |
| 0.95 | 150 | 0.0046 | 0.181 | 0.03 |
| 0.95 | 162 | 0.4264 | 0.1982 | 0.0312 |
| 0.95 | 174 | 0.0652 | 0.2435 | 0.03 |
| 0.95 | 186 | 0.0795 | 0.207 | 0.03 |
| 0.95 | 198 | -0.1026 | 0.2046 | 0.0301 |
| 0.95 | 210 | -0.1197 | 0.1735 | 0.0301 |
| 0.95 | 222 | 0.2402 | 0.1433 | 0.0304 |
| 0.95 | 234 | 0.0852 | 0.1277 | 0.03 |
| 0.95 | 246 | -0.0435 | 0.1289 | 0.03 |
| 0.95 | 258 | 0.0019 | 0.1315 | 0.03 |
| 0.95 | 270 | -0.2241 | 0.1156 | 0.0303 |
| 0.95 | 282 | -0.2071 | 0.1163 | 0.0303 |
| 0.95 | 294 | -0.0293 | 0.1236 | 0.03 |
| 0.95 | 306 | -0.0506 | 0.1968 | 0.03 |