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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 : | 1325 GeV | |
| ε : | 0.9597 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.6591 |
|
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 | 306 | -0.0883 | 0.2825 | 0.0301 |
| -0.05 | 54 | -0.0195 | 0.27 | 0.03 |
| -0.05 | 306 | -0.0533 | 0.2342 | 0.03 |
| 0.05 | 54 | -0.3709 | 0.2104 | 0.0309 |
| 0.05 | 66 | -0.1628 | 0.2005 | 0.0302 |
| 0.05 | 306 | 0.2296 | 0.2456 | 0.0303 |
| 0.15 | 54 | -0.0296 | 0.2439 | 0.03 |
| 0.15 | 66 | -0.1209 | 0.1781 | 0.0301 |
| 0.15 | 294 | 0.1814 | 0.2781 | 0.0302 |
| 0.15 | 306 | -0.0262 | 0.2381 | 0.03 |
| 0.25 | 54 | -0.4732 | 0.2165 | 0.0315 |
| 0.25 | 66 | -0.3271 | 0.1766 | 0.0307 |
| 0.25 | 78 | 0.2771 | 0.2334 | 0.0305 |
| 0.25 | 294 | -0.0288 | 0.1882 | 0.03 |
| 0.25 | 306 | -0.2041 | 0.1955 | 0.0303 |
| 0.35 | 54 | 0.1173 | 0.2953 | 0.0301 |
| 0.35 | 66 | 0.1845 | 0.2044 | 0.0302 |
| 0.35 | 78 | 0.2998 | 0.2158 | 0.0306 |
| 0.35 | 294 | -0.141 | 0.2135 | 0.0301 |
| 0.45 | 54 | 0.0227 | 0.2551 | 0.03 |
| 0.45 | 66 | 0.3025 | 0.1928 | 0.0306 |
| 0.45 | 78 | 0.3267 | 0.2614 | 0.0307 |
| 0.45 | 270 | -0.1678 | 0.2354 | 0.0302 |
| 0.45 | 282 | 0.1329 | 0.2768 | 0.0301 |
| 0.45 | 294 | -0.0079 | 0.2581 | 0.03 |
| 0.55 | 66 | 0.2619 | 0.2539 | 0.0305 |
| 0.55 | 78 | -0.1986 | 0.2058 | 0.0303 |
| 0.55 | 90 | 0.1946 | 0.1941 | 0.0303 |
| 0.55 | 102 | 0.2336 | 0.2551 | 0.0304 |
| 0.55 | 270 | 0.1926 | 0.1928 | 0.0302 |
| 0.55 | 282 | 0.1188 | 0.1872 | 0.0301 |
| 0.55 | 294 | 0.081 | 0.2161 | 0.03 |
| 0.65 | 66 | -0.4534 | 0.188 | 0.0313 |
| 0.65 | 78 | -0.2063 | 0.1542 | 0.0303 |
| 0.65 | 90 | -0.0441 | 0.144 | 0.03 |
| 0.65 | 102 | 0.3505 | 0.1612 | 0.0308 |
| 0.65 | 114 | -0.1106 | 0.2521 | 0.0301 |
| 0.65 | 258 | 0.0756 | 0.1697 | 0.03 |
| 0.65 | 270 | 0.1043 | 0.1376 | 0.0301 |
| 0.65 | 282 | -0.1362 | 0.1604 | 0.0301 |
| 0.65 | 294 | -0.0622 | 0.1802 | 0.03 |
| 0.75 | 66 | 0.1973 | 0.1654 | 0.0303 |
| 0.75 | 78 | 0.1242 | 0.118 | 0.0301 |
| 0.75 | 90 | -0.002 | 0.1125 | 0.03 |
| 0.75 | 102 | -0.1165 | 0.1447 | 0.0301 |
| 0.75 | 114 | -0.2618 | 0.1465 | 0.0305 |
| 0.75 | 126 | -0.1225 | 0.2394 | 0.0301 |
| 0.75 | 234 | 0.0887 | 0.2419 | 0.0301 |
| 0.75 | 246 | 0.3757 | 0.1618 | 0.0309 |
| 0.75 | 258 | 0.0101 | 0.129 | 0.03 |
| 0.75 | 270 | 0.1103 | 0.1272 | 0.0301 |
| 0.75 | 282 | -0.0174 | 0.1239 | 0.03 |
| 0.75 | 294 | 0.0347 | 0.1389 | 0.03 |
| 0.75 | 306 | 0.2769 | 0.181 | 0.0305 |
| 0.85 | 54 | -0.2904 | 0.1935 | 0.0306 |
| 0.85 | 66 | -0.0444 | 0.1729 | 0.03 |
| 0.85 | 78 | -0.0922 | 0.1285 | 0.0301 |
| 0.85 | 90 | -0.1334 | 0.1268 | 0.0301 |
| 0.85 | 102 | 0.3014 | 0.1074 | 0.0306 |
| 0.85 | 114 | -0.222 | 0.1312 | 0.0303 |
| 0.85 | 126 | -0.0599 | 0.1665 | 0.03 |
| 0.85 | 138 | -0.0129 | 0.1892 | 0.03 |
| 0.85 | 150 | -0.2913 | 0.2556 | 0.0306 |
| 0.85 | 210 | 0.1301 | 0.2672 | 0.0301 |
| 0.85 | 222 | 0.0011 | 0.1586 | 0.03 |
| 0.85 | 234 | 0.1317 | 0.1515 | 0.0301 |
| 0.85 | 246 | -0.2067 | 0.1295 | 0.0303 |
| 0.85 | 258 | -0.0478 | 0.1385 | 0.03 |
| 0.85 | 270 | -0.0657 | 0.1207 | 0.03 |
| 0.85 | 282 | -0.0821 | 0.1345 | 0.03 |
| 0.85 | 294 | -0.0782 | 0.1203 | 0.03 |
| 0.85 | 306 | -0.1027 | 0.135 | 0.0301 |
| 0.85 | 318 | 0.4462 | 0.1966 | 0.0313 |
| 0.95 | 66 | 0.0557 | 0.1661 | 0.03 |
| 0.95 | 78 | 0.0593 | 0.1616 | 0.03 |
| 0.95 | 90 | -0.0586 | 0.1478 | 0.03 |
| 0.95 | 102 | -0.1889 | 0.165 | 0.0302 |
| 0.95 | 114 | 0.0834 | 0.1437 | 0.03 |
| 0.95 | 126 | 0.1426 | 0.1721 | 0.0301 |
| 0.95 | 138 | -0.166 | 0.1939 | 0.0302 |
| 0.95 | 150 | 0.3695 | 0.1893 | 0.0309 |
| 0.95 | 162 | 0.0693 | 0.2725 | 0.03 |
| 0.95 | 174 | -0.1791 | 0.2807 | 0.0302 |
| 0.95 | 186 | -0.0231 | 0.2685 | 0.03 |
| 0.95 | 198 | -0.0552 | 0.2284 | 0.03 |
| 0.95 | 210 | 0.1979 | 0.2098 | 0.0303 |
| 0.95 | 222 | -0.0921 | 0.1794 | 0.0301 |
| 0.95 | 234 | -0.1967 | 0.1542 | 0.0303 |
| 0.95 | 246 | -0.0491 | 0.1602 | 0.03 |
| 0.95 | 258 | 0.0188 | 0.152 | 0.03 |
| 0.95 | 270 | -0.037 | 0.1512 | 0.03 |
| 0.95 | 282 | -0.2482 | 0.1507 | 0.0304 |
| 0.95 | 294 | 0.0253 | 0.1612 | 0.03 |
| 0.95 | 306 | -0.0702 | 0.1413 | 0.03 |
| 0.95 | 318 | -0.2571 | 0.1726 | 0.0304 |
| 0.95 | 330 | 0.1848 | 0.2605 | 0.0302 |
| 0.95 | 342 | 0.1746 | 0.2539 | 0.0302 |