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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 : | 0.2445 GeV2 | |
|---|---|---|
| W : | 1505 GeV | |
| ε : | 0.9269 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.3007 |
|
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 | 0.3729 | 0.252 | 0.0309 |
| 0.05 | 66 | -0.5969 | 0.1902 | 0.0323 |
| 0.05 | 294 | -0.0597 | 0.2373 | 0.03 |
| 0.05 | 306 | -0.0824 | 0.266 | 0.03 |
| 0.15 | 54 | -0.089 | 0.1892 | 0.0301 |
| 0.15 | 66 | -0.2886 | 0.2134 | 0.0306 |
| 0.15 | 78 | -0.2787 | 0.2545 | 0.0305 |
| 0.15 | 282 | 0.0323 | 0.2153 | 0.03 |
| 0.15 | 294 | -0.2567 | 0.1873 | 0.0304 |
| 0.15 | 306 | 0.1405 | 0.224 | 0.0301 |
| 0.25 | 54 | -0.5275 | 0.1816 | 0.0318 |
| 0.25 | 66 | -0.0642 | 0.1979 | 0.03 |
| 0.25 | 78 | -0.4279 | 0.2056 | 0.0312 |
| 0.25 | 270 | -0.145 | 0.2695 | 0.0301 |
| 0.25 | 282 | -0.0047 | 0.1759 | 0.03 |
| 0.25 | 294 | 0.1305 | 0.1718 | 0.0301 |
| 0.25 | 306 | 0.0241 | 0.1946 | 0.03 |
| 0.35 | 54 | 0.5503 | 0.2233 | 0.032 |
| 0.35 | 66 | 0.7071 | 0.1506 | 0.0332 |
| 0.35 | 78 | 0.1702 | 0.2312 | 0.0302 |
| 0.35 | 270 | 0.052 | 0.194 | 0.03 |
| 0.35 | 282 | 0.178 | 0.1719 | 0.0302 |
| 0.35 | 294 | 0.135 | 0.1611 | 0.0301 |
| 0.35 | 306 | 0.1994 | 0.2385 | 0.0303 |
| 0.45 | 54 | 0.2588 | 0.2224 | 0.0304 |
| 0.45 | 66 | -0.0774 | 0.2688 | 0.03 |
| 0.45 | 78 | 0.6497 | 0.2268 | 0.0327 |
| 0.45 | 90 | 0.0528 | 0.2108 | 0.03 |
| 0.45 | 102 | 0.0967 | 0.1784 | 0.0301 |
| 0.45 | 114 | -0.377 | 0.2215 | 0.0309 |
| 0.45 | 270 | -0.1508 | 0.192 | 0.0302 |
| 0.45 | 282 | -0.1459 | 0.155 | 0.0301 |
| 0.45 | 294 | 0.0014 | 0.1624 | 0.03 |
| 0.45 | 306 | 0.3045 | 0.2612 | 0.0306 |
| 0.45 | 318 | 0.613 | 0.2172 | 0.0324 |
| 0.55 | 54 | 0.052 | 0.2435 | 0.03 |
| 0.55 | 66 | 0.0872 | 0.2672 | 0.0301 |
| 0.55 | 78 | 0.3351 | 0.1946 | 0.0307 |
| 0.55 | 90 | -0.0165 | 0.1593 | 0.03 |
| 0.55 | 102 | 0.1146 | 0.1581 | 0.0301 |
| 0.55 | 114 | 0.1221 | 0.171 | 0.0301 |
| 0.55 | 126 | 0.1408 | 0.2586 | 0.0301 |
| 0.55 | 234 | 0.3293 | 0.2752 | 0.0307 |
| 0.55 | 246 | -0.1271 | 0.2317 | 0.0301 |
| 0.55 | 270 | 0.3458 | 0.2088 | 0.0308 |
| 0.55 | 282 | 0.0968 | 0.1821 | 0.0301 |
| 0.55 | 294 | -0.3005 | 0.2256 | 0.0306 |
| 0.55 | 306 | 0.1244 | 0.1684 | 0.0301 |
| 0.65 | 78 | 0.1413 | 0.1744 | 0.0301 |
| 0.65 | 90 | -0.196 | 0.1267 | 0.0303 |
| 0.65 | 102 | 0.0938 | 0.1394 | 0.0301 |
| 0.65 | 114 | 0.0744 | 0.1468 | 0.03 |
| 0.65 | 126 | -0.0674 | 0.1797 | 0.03 |
| 0.65 | 138 | -0.04 | 0.2689 | 0.03 |
| 0.65 | 222 | -0.3469 | 0.1829 | 0.0308 |
| 0.65 | 234 | 0.4204 | 0.1878 | 0.0312 |
| 0.65 | 246 | -0.1143 | 0.1786 | 0.0301 |
| 0.65 | 258 | -0.2112 | 0.1771 | 0.0303 |
| 0.65 | 270 | 0.171 | 0.2193 | 0.0302 |
| 0.65 | 282 | 0.1017 | 0.2643 | 0.0301 |
| 0.65 | 294 | 0.1337 | 0.238 | 0.0301 |
| 0.65 | 306 | -0.3505 | 0.1848 | 0.0308 |
| 0.75 | 66 | 0.3379 | 0.1624 | 0.0308 |
| 0.75 | 78 | -0.0226 | 0.2037 | 0.03 |
| 0.75 | 90 | 0.0169 | 0.1323 | 0.03 |
| 0.75 | 102 | -0.0926 | 0.1488 | 0.0301 |
| 0.75 | 114 | 0.0314 | 0.1485 | 0.03 |
| 0.75 | 126 | -0.1028 | 0.1628 | 0.0301 |
| 0.75 | 138 | 0.3297 | 0.1906 | 0.0307 |
| 0.75 | 198 | -0.286 | 0.1928 | 0.0305 |
| 0.75 | 210 | -0.2706 | 0.177 | 0.0305 |
| 0.75 | 222 | 0.0049 | 0.1776 | 0.03 |
| 0.75 | 234 | -0.1616 | 0.1666 | 0.0302 |
| 0.75 | 246 | -0.0868 | 0.144 | 0.0301 |
| 0.75 | 258 | 0.1586 | 0.1453 | 0.0302 |
| 0.75 | 270 | -0.2995 | 0.1482 | 0.0306 |
| 0.75 | 282 | -0.5822 | 0.1957 | 0.0322 |
| 0.75 | 294 | 0.4234 | 0.2251 | 0.0312 |
| 0.85 | 66 | -0.0796 | 0.1349 | 0.03 |
| 0.85 | 78 | -0.031 | 0.18 | 0.03 |
| 0.85 | 90 | 0.0014 | 0.2876 | 0.03 |
| 0.85 | 102 | 0.071 | 0.1518 | 0.03 |
| 0.85 | 114 | 0.1382 | 0.1434 | 0.0301 |
| 0.85 | 126 | -0.0604 | 0.1628 | 0.03 |
| 0.85 | 138 | -0.474 | 0.2461 | 0.0315 |
| 0.85 | 150 | -0.7262 | 0.1454 | 0.0333 |
| 0.85 | 174 | 0.1067 | 0.2789 | 0.0301 |
| 0.85 | 186 | 0.3707 | 0.2158 | 0.0309 |
| 0.85 | 198 | 0.0994 | 0.1877 | 0.0301 |
| 0.85 | 210 | -0.0651 | 0.1687 | 0.03 |
| 0.85 | 222 | 0.2106 | 0.1479 | 0.0303 |
| 0.85 | 234 | -0.0945 | 0.1604 | 0.0301 |
| 0.85 | 246 | 0.151 | 0.1187 | 0.0302 |
| 0.85 | 258 | -0.1782 | 0.1284 | 0.0302 |
| 0.85 | 270 | -0.0596 | 0.1601 | 0.03 |
| 0.85 | 282 | 0.2498 | 0.1513 | 0.0304 |
| 0.85 | 294 | -0.0819 | 0.2033 | 0.03 |
| 0.85 | 306 | -0.1231 | 0.203 | 0.0301 |
| 0.95 | 66 | 0.1029 | 0.2089 | 0.0301 |
| 0.95 | 78 | 0.0053 | 0.2194 | 0.03 |
| 0.95 | 114 | 0.1964 | 0.2392 | 0.0303 |
| 0.95 | 126 | -0.0596 | 0.2351 | 0.03 |
| 0.95 | 186 | -0.3524 | 0.2246 | 0.0308 |
| 0.95 | 198 | -0.5453 | 0.2349 | 0.0319 |
| 0.95 | 210 | -0.2796 | 0.1937 | 0.0305 |
| 0.95 | 222 | 0.0577 | 0.179 | 0.03 |
| 0.95 | 234 | -0.4022 | 0.1491 | 0.0311 |
| 0.95 | 246 | 0.0228 | 0.1457 | 0.03 |
| 0.95 | 258 | -0.283 | 0.1428 | 0.0305 |
| 0.95 | 270 | -0.1573 | 0.1416 | 0.0302 |
| 0.95 | 282 | -0.0338 | 0.1455 | 0.03 |
| 0.95 | 294 | -0.1457 | 0.1356 | 0.0301 |
| 0.95 | 306 | 0.0759 | 0.1435 | 0.03 |
| 0.95 | 318 | 0.0386 | 0.2401 | 0.03 |