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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 : | 1445 GeV | |
| ε : | 0.9536 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.264 |
|
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 | 30 | -0.0554 | 0.2584 | 0.03 |
| 0.05 | 18 | -0.3066 | 0.2701 | 0.0306 |
| 0.05 | 54 | -0.0822 | 0.2612 | 0.03 |
| 0.05 | 66 | -0.1655 | 0.236 | 0.0302 |
| 0.05 | 306 | -0.0627 | 0.2139 | 0.03 |
| 0.15 | 30 | 0.2551 | 0.2655 | 0.0304 |
| 0.15 | 54 | -0.2149 | 0.1887 | 0.0303 |
| 0.15 | 66 | 0.1282 | 0.1577 | 0.0301 |
| 0.15 | 78 | 0.2311 | 0.2078 | 0.0304 |
| 0.15 | 294 | 0.2292 | 0.179 | 0.0303 |
| 0.15 | 306 | 0.0475 | 0.2106 | 0.03 |
| 0.25 | 54 | -0.2167 | 0.1505 | 0.0303 |
| 0.25 | 66 | 0.1033 | 0.1319 | 0.0301 |
| 0.25 | 78 | 0.169 | 0.1608 | 0.0302 |
| 0.25 | 282 | -0.0363 | 0.1631 | 0.03 |
| 0.25 | 294 | -0.0606 | 0.1464 | 0.03 |
| 0.25 | 306 | -0.0199 | 0.1636 | 0.03 |
| 0.35 | 54 | 0.0259 | 0.2281 | 0.03 |
| 0.35 | 66 | 0.0623 | 0.1313 | 0.03 |
| 0.35 | 78 | 0.0026 | 0.1392 | 0.03 |
| 0.35 | 270 | -0.3942 | 0.1972 | 0.031 |
| 0.35 | 282 | -0.071 | 0.1283 | 0.03 |
| 0.35 | 294 | -0.0864 | 0.1287 | 0.03 |
| 0.35 | 306 | -0.0514 | 0.1789 | 0.03 |
| 0.45 | 54 | -0.1356 | 0.1963 | 0.0301 |
| 0.45 | 66 | 0.0692 | 0.1323 | 0.03 |
| 0.45 | 78 | -0.0757 | 0.1691 | 0.03 |
| 0.45 | 90 | -0.0963 | 0.1905 | 0.0301 |
| 0.45 | 102 | 0.135 | 0.1766 | 0.0301 |
| 0.45 | 270 | 0.2026 | 0.1495 | 0.0303 |
| 0.45 | 282 | -0.1999 | 0.1329 | 0.0303 |
| 0.45 | 294 | 0.0656 | 0.1265 | 0.03 |
| 0.45 | 306 | 0.1 | 0.2797 | 0.0301 |
| 0.45 | 318 | -0.7178 | 0.1617 | 0.0333 |
| 0.55 | 54 | -0.3112 | 0.147 | 0.0306 |
| 0.55 | 66 | 0.0812 | 0.1799 | 0.03 |
| 0.55 | 78 | 0.1593 | 0.1611 | 0.0302 |
| 0.55 | 90 | -0.0615 | 0.134 | 0.03 |
| 0.55 | 102 | 0.0439 | 0.1432 | 0.03 |
| 0.55 | 114 | -0.1068 | 0.1374 | 0.0301 |
| 0.55 | 126 | 0.2621 | 0.2369 | 0.0305 |
| 0.55 | 246 | 0.2037 | 0.2117 | 0.0303 |
| 0.55 | 258 | 0.0448 | 0.1751 | 0.03 |
| 0.55 | 270 | 0.3299 | 0.1422 | 0.0307 |
| 0.55 | 282 | -0.127 | 0.1408 | 0.0301 |
| 0.55 | 294 | -0.3778 | 0.1601 | 0.0309 |
| 0.55 | 306 | 0.0327 | 0.1612 | 0.03 |
| 0.65 | 54 | -0.0005 | 0.2179 | 0.03 |
| 0.65 | 66 | -0.2851 | 0.1696 | 0.0305 |
| 0.65 | 78 | 0.0312 | 0.1669 | 0.03 |
| 0.65 | 90 | 0.0832 | 0.1125 | 0.03 |
| 0.65 | 102 | -0.116 | 0.1072 | 0.0301 |
| 0.65 | 114 | 0.0338 | 0.1132 | 0.03 |
| 0.65 | 126 | -0.1176 | 0.1407 | 0.0301 |
| 0.65 | 138 | 0.0161 | 0.2273 | 0.03 |
| 0.65 | 222 | -0.0783 | 0.1954 | 0.03 |
| 0.65 | 234 | -0.0907 | 0.1381 | 0.0301 |
| 0.65 | 246 | 0.2487 | 0.133 | 0.0304 |
| 0.65 | 258 | -0.0838 | 0.1521 | 0.03 |
| 0.65 | 270 | 0.0214 | 0.1414 | 0.03 |
| 0.65 | 282 | -0.2224 | 0.1624 | 0.0303 |
| 0.65 | 294 | -0.0732 | 0.1833 | 0.03 |
| 0.65 | 306 | -0.0265 | 0.158 | 0.03 |
| 0.75 | 66 | 0.2003 | 0.1774 | 0.0303 |
| 0.75 | 78 | -0.3041 | 0.1682 | 0.0306 |
| 0.75 | 90 | -0.0371 | 0.1042 | 0.03 |
| 0.75 | 102 | 0.0335 | 0.0978 | 0.03 |
| 0.75 | 114 | -0.0852 | 0.0976 | 0.03 |
| 0.75 | 126 | 0.2623 | 0.1175 | 0.0305 |
| 0.75 | 138 | -0.0007 | 0.1525 | 0.03 |
| 0.75 | 150 | -0.1015 | 0.1868 | 0.0301 |
| 0.75 | 162 | -0.0066 | 0.2723 | 0.03 |
| 0.75 | 186 | 0.0036 | 0.2619 | 0.03 |
| 0.75 | 198 | -0.0395 | 0.1774 | 0.03 |
| 0.75 | 210 | -0.0141 | 0.1613 | 0.03 |
| 0.75 | 222 | -0.142 | 0.127 | 0.0301 |
| 0.75 | 234 | 0.0658 | 0.1127 | 0.03 |
| 0.75 | 246 | 0.0837 | 0.1076 | 0.03 |
| 0.75 | 258 | -0.1176 | 0.1261 | 0.0301 |
| 0.75 | 270 | 0.0657 | 0.1346 | 0.03 |
| 0.75 | 282 | -0.3674 | 0.186 | 0.0309 |
| 0.75 | 294 | 0.1587 | 0.1702 | 0.0302 |
| 0.85 | 66 | -0.128 | 0.1522 | 0.0301 |
| 0.85 | 78 | -0.0353 | 0.1304 | 0.03 |
| 0.85 | 90 | 0.0144 | 0.1687 | 0.03 |
| 0.85 | 102 | -0.0267 | 0.1132 | 0.03 |
| 0.85 | 114 | 0.2221 | 0.1055 | 0.0303 |
| 0.85 | 126 | -0.1154 | 0.1159 | 0.0301 |
| 0.85 | 138 | 0.0273 | 0.1446 | 0.03 |
| 0.85 | 150 | -0.445 | 0.1873 | 0.0313 |
| 0.85 | 162 | 0.1626 | 0.2213 | 0.0302 |
| 0.85 | 174 | -0.276 | 0.2318 | 0.0305 |
| 0.85 | 186 | -0.0805 | 0.2055 | 0.03 |
| 0.85 | 198 | 0.1432 | 0.1742 | 0.0301 |
| 0.85 | 210 | 0.1323 | 0.13 | 0.0301 |
| 0.85 | 222 | 0.0505 | 0.1269 | 0.03 |
| 0.85 | 234 | -0.1056 | 0.1024 | 0.0301 |
| 0.85 | 246 | 0.0886 | 0.0997 | 0.0301 |
| 0.85 | 258 | -0.1496 | 0.0979 | 0.0301 |
| 0.85 | 270 | 0.0435 | 0.1138 | 0.03 |
| 0.85 | 282 | 0.1509 | 0.128 | 0.0302 |
| 0.85 | 294 | -0.2028 | 0.1552 | 0.0303 |
| 0.95 | 66 | 0.0352 | 0.2172 | 0.03 |
| 0.95 | 78 | 0.0856 | 0.1598 | 0.03 |
| 0.95 | 90 | 0.2106 | 0.182 | 0.0303 |
| 0.95 | 102 | 0.2781 | 0.2542 | 0.0305 |
| 0.95 | 114 | 0.1434 | 0.1972 | 0.0301 |
| 0.95 | 126 | 0.1597 | 0.1969 | 0.0302 |
| 0.95 | 138 | 0.0544 | 0.2027 | 0.03 |
| 0.95 | 150 | 0.0289 | 0.2357 | 0.03 |
| 0.95 | 162 | 0.231 | 0.2387 | 0.0304 |
| 0.95 | 174 | 0.1854 | 0.2138 | 0.0302 |
| 0.95 | 186 | 0.409 | 0.2195 | 0.0311 |
| 0.95 | 198 | -0.2272 | 0.2171 | 0.0303 |
| 0.95 | 210 | -0.0843 | 0.1594 | 0.03 |
| 0.95 | 222 | 0.1318 | 0.144 | 0.0301 |
| 0.95 | 234 | -0.1016 | 0.1273 | 0.0301 |
| 0.95 | 246 | 0.0123 | 0.1226 | 0.03 |
| 0.95 | 258 | 0.0928 | 0.1206 | 0.0301 |
| 0.95 | 270 | 0.0678 | 0.1119 | 0.03 |
| 0.95 | 282 | 0.0916 | 0.1073 | 0.0301 |
| 0.95 | 294 | 0.0347 | 0.128 | 0.03 |