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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 : | 0.205 GeV2 | |
|---|---|---|
| W : | 1505 GeV | |
| ε : | 0.9328 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.2665 |
|
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 | 0.1155 | 0.2508 | 0.0301 |
| 0.05 | 66 | -0.1535 | 0.2442 | 0.0302 |
| 0.05 | 294 | 0.2029 | 0.2838 | 0.0303 |
| 0.05 | 306 | -0.0098 | 0.2751 | 0.03 |
| 0.15 | 54 | 0.0482 | 0.2094 | 0.03 |
| 0.15 | 66 | 0.1635 | 0.176 | 0.0302 |
| 0.15 | 78 | 0.0495 | 0.2375 | 0.03 |
| 0.15 | 282 | -0.15 | 0.2581 | 0.0301 |
| 0.15 | 294 | -0.1606 | 0.2027 | 0.0302 |
| 0.15 | 306 | -0.1643 | 0.2028 | 0.0302 |
| 0.25 | 54 | -0.0273 | 0.197 | 0.03 |
| 0.25 | 66 | -0.001 | 0.1653 | 0.03 |
| 0.25 | 78 | 0.3599 | 0.1872 | 0.0309 |
| 0.25 | 282 | -0.1589 | 0.1731 | 0.0302 |
| 0.25 | 294 | -0.2032 | 0.1613 | 0.0303 |
| 0.25 | 306 | -0.4814 | 0.1753 | 0.0315 |
| 0.35 | 54 | -0.1221 | 0.2638 | 0.0301 |
| 0.35 | 66 | 0.4112 | 0.1844 | 0.0311 |
| 0.35 | 78 | -0.3227 | 0.1751 | 0.0307 |
| 0.35 | 90 | -0.0607 | 0.2679 | 0.03 |
| 0.35 | 270 | 0.0743 | 0.174 | 0.03 |
| 0.35 | 282 | 0.1334 | 0.1391 | 0.0301 |
| 0.35 | 294 | -0.0842 | 0.1598 | 0.03 |
| 0.35 | 306 | -0.2868 | 0.2304 | 0.0305 |
| 0.45 | 54 | -0.2622 | 0.2181 | 0.0305 |
| 0.45 | 66 | -0.1623 | 0.1892 | 0.0302 |
| 0.45 | 78 | -0.0592 | 0.2133 | 0.03 |
| 0.45 | 90 | 0.2484 | 0.199 | 0.0304 |
| 0.45 | 102 | 0.0793 | 0.2226 | 0.03 |
| 0.45 | 114 | 0.0883 | 0.2494 | 0.0301 |
| 0.45 | 258 | 0.4148 | 0.2452 | 0.0311 |
| 0.45 | 270 | 0.0703 | 0.1657 | 0.03 |
| 0.45 | 282 | 0.0872 | 0.1458 | 0.0301 |
| 0.45 | 294 | -0.045 | 0.1653 | 0.03 |
| 0.45 | 306 | 0.1187 | 0.2508 | 0.0301 |
| 0.55 | 54 | 0.1654 | 0.2173 | 0.0302 |
| 0.55 | 78 | 0.1161 | 0.2124 | 0.0301 |
| 0.55 | 90 | 0.2259 | 0.1625 | 0.0303 |
| 0.55 | 102 | -0.0531 | 0.144 | 0.03 |
| 0.55 | 114 | -0.0222 | 0.1624 | 0.03 |
| 0.55 | 126 | 0.1807 | 0.2437 | 0.0302 |
| 0.55 | 234 | -0.05 | 0.2531 | 0.03 |
| 0.55 | 246 | -0.4023 | 0.185 | 0.0311 |
| 0.55 | 258 | -0.3154 | 0.2082 | 0.0307 |
| 0.55 | 270 | -0.1767 | 0.1861 | 0.0302 |
| 0.55 | 282 | 0.0825 | 0.1522 | 0.03 |
| 0.55 | 294 | -0.2184 | 0.2437 | 0.0303 |
| 0.55 | 306 | 0.2207 | 0.1436 | 0.0303 |
| 0.55 | 318 | -0.2394 | 0.2756 | 0.0304 |
| 0.65 | 66 | -0.1592 | 0.2867 | 0.0302 |
| 0.65 | 78 | 0.5364 | 0.1602 | 0.0319 |
| 0.65 | 90 | 0.1174 | 0.1362 | 0.0301 |
| 0.65 | 102 | -0.2813 | 0.1218 | 0.0305 |
| 0.65 | 114 | 0.4671 | 0.1244 | 0.0314 |
| 0.65 | 126 | -0.2471 | 0.1508 | 0.0304 |
| 0.65 | 138 | 0.3183 | 0.2172 | 0.0307 |
| 0.65 | 210 | -0.0323 | 0.2259 | 0.03 |
| 0.65 | 222 | -0.2355 | 0.1847 | 0.0304 |
| 0.65 | 234 | -0.006 | 0.1611 | 0.03 |
| 0.65 | 246 | -0.0183 | 0.1656 | 0.03 |
| 0.65 | 258 | -0.0541 | 0.1895 | 0.03 |
| 0.65 | 270 | 0.039 | 0.1969 | 0.03 |
| 0.65 | 282 | -0.1392 | 0.1952 | 0.0301 |
| 0.65 | 294 | 0.0497 | 0.1732 | 0.03 |
| 0.65 | 306 | -0.0621 | 0.2046 | 0.03 |
| 0.75 | 66 | 0.1437 | 0.1584 | 0.0301 |
| 0.75 | 78 | -0.102 | 0.1895 | 0.0301 |
| 0.75 | 90 | -0.245 | 0.1307 | 0.0304 |
| 0.75 | 102 | 0.1659 | 0.1086 | 0.0302 |
| 0.75 | 114 | -0.1105 | 0.126 | 0.0301 |
| 0.75 | 126 | -0.0344 | 0.142 | 0.03 |
| 0.75 | 138 | 0.0301 | 0.1627 | 0.03 |
| 0.75 | 150 | -0.0425 | 0.255 | 0.03 |
| 0.75 | 186 | 0.0434 | 0.2212 | 0.03 |
| 0.75 | 198 | 0.1022 | 0.192 | 0.0301 |
| 0.75 | 210 | -0.2649 | 0.1778 | 0.0305 |
| 0.75 | 222 | 0.0668 | 0.1534 | 0.03 |
| 0.75 | 234 | -0.0391 | 0.1404 | 0.03 |
| 0.75 | 246 | -0.012 | 0.1347 | 0.03 |
| 0.75 | 258 | -0.2781 | 0.1464 | 0.0305 |
| 0.75 | 270 | 0.0187 | 0.1432 | 0.03 |
| 0.75 | 282 | -0.1987 | 0.2581 | 0.0303 |
| 0.75 | 294 | -0.1676 | 0.1824 | 0.0302 |
| 0.85 | 66 | -0.0066 | 0.1379 | 0.03 |
| 0.85 | 78 | -0.037 | 0.1336 | 0.03 |
| 0.85 | 90 | -0.1694 | 0.2221 | 0.0302 |
| 0.85 | 102 | 0.0411 | 0.1419 | 0.03 |
| 0.85 | 114 | 0.1125 | 0.1421 | 0.0301 |
| 0.85 | 126 | -0.2089 | 0.1386 | 0.0303 |
| 0.85 | 138 | -0.0085 | 0.1865 | 0.03 |
| 0.85 | 150 | -0.1161 | 0.264 | 0.0301 |
| 0.85 | 162 | 0.0891 | 0.2547 | 0.0301 |
| 0.85 | 186 | 0.075 | 0.1944 | 0.03 |
| 0.85 | 198 | -0.0213 | 0.1811 | 0.03 |
| 0.85 | 210 | -0.0749 | 0.1376 | 0.03 |
| 0.85 | 222 | 0.1592 | 0.1327 | 0.0302 |
| 0.85 | 234 | -0.0387 | 0.1282 | 0.03 |
| 0.85 | 246 | -0.2449 | 0.1134 | 0.0304 |
| 0.85 | 258 | 0.0132 | 0.1168 | 0.03 |
| 0.85 | 270 | 0.1359 | 0.1331 | 0.0301 |
| 0.85 | 282 | -0.4813 | 0.1346 | 0.0315 |
| 0.85 | 294 | 0.0615 | 0.1741 | 0.03 |
| 0.95 | 66 | -0.1473 | 0.1621 | 0.0301 |
| 0.95 | 78 | -0.2379 | 0.1809 | 0.0304 |
| 0.95 | 90 | 0.0665 | 0.2188 | 0.03 |
| 0.95 | 126 | 0.3901 | 0.2259 | 0.031 |
| 0.95 | 138 | 0.0594 | 0.2559 | 0.03 |
| 0.95 | 150 | -0.2994 | 0.2569 | 0.0306 |
| 0.95 | 174 | 0.5527 | 0.2005 | 0.032 |
| 0.95 | 186 | -0.1781 | 0.2151 | 0.0302 |
| 0.95 | 198 | -0.064 | 0.1916 | 0.03 |
| 0.95 | 210 | 0.0414 | 0.1695 | 0.03 |
| 0.95 | 222 | -0.1709 | 0.1527 | 0.0302 |
| 0.95 | 234 | -0.2041 | 0.1436 | 0.0303 |
| 0.95 | 246 | -0.0463 | 0.1468 | 0.03 |
| 0.95 | 258 | -0.0458 | 0.1372 | 0.03 |
| 0.95 | 270 | -0.0036 | 0.1311 | 0.03 |
| 0.95 | 282 | 0.2315 | 0.1289 | 0.0304 |
| 0.95 | 294 | 0.0814 | 0.1247 | 0.03 |
| 0.95 | 306 | -0.1957 | 0.1711 | 0.0303 |