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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 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1385 GeV | |
| ε : | 0.9294 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1884 |
|
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 | 30 | -0.2393 | 0.2744 | 0.0304 |
| 0.15 | 66 | -0.4007 | 0.2158 | 0.0311 |
| 0.15 | 294 | -0.0068 | 0.2706 | 0.03 |
| 0.25 | 54 | -0.0432 | 0.2797 | 0.03 |
| 0.25 | 66 | -0.2706 | 0.1969 | 0.0305 |
| 0.25 | 78 | 0.6216 | 0.1934 | 0.0325 |
| 0.25 | 282 | -0.2326 | 0.2035 | 0.0304 |
| 0.25 | 294 | -0.1126 | 0.1906 | 0.0301 |
| 0.25 | 306 | -0.3181 | 0.2041 | 0.0307 |
| 0.35 | 66 | -0.1612 | 0.1489 | 0.0302 |
| 0.35 | 78 | -0.0137 | 0.1556 | 0.03 |
| 0.35 | 90 | 0.1903 | 0.2253 | 0.0302 |
| 0.35 | 282 | 0.0952 | 0.1691 | 0.0301 |
| 0.35 | 294 | -0.1328 | 0.1612 | 0.0301 |
| 0.35 | 306 | 0.0112 | 0.2092 | 0.03 |
| 0.45 | 66 | 0.3346 | 0.1558 | 0.0307 |
| 0.45 | 78 | 0.0066 | 0.1289 | 0.03 |
| 0.45 | 90 | 0.1555 | 0.1825 | 0.0302 |
| 0.45 | 270 | 0.0627 | 0.23 | 0.03 |
| 0.45 | 282 | -0.2555 | 0.1418 | 0.0304 |
| 0.45 | 294 | -0.0309 | 0.1539 | 0.03 |
| 0.45 | 306 | -0.167 | 0.2159 | 0.0302 |
| 0.55 | 66 | 0.0329 | 0.1962 | 0.03 |
| 0.55 | 78 | -0.177 | 0.1784 | 0.0302 |
| 0.55 | 90 | 0.142 | 0.1681 | 0.0301 |
| 0.55 | 102 | 0.094 | 0.2181 | 0.0301 |
| 0.55 | 114 | -0.0209 | 0.2696 | 0.03 |
| 0.55 | 246 | -0.1978 | 0.2632 | 0.0303 |
| 0.55 | 258 | 0.0128 | 0.2212 | 0.03 |
| 0.55 | 270 | -0.2325 | 0.1923 | 0.0304 |
| 0.55 | 282 | 0.1105 | 0.1564 | 0.0301 |
| 0.55 | 294 | 0.0467 | 0.1744 | 0.03 |
| 0.55 | 306 | -0.1425 | 0.2638 | 0.0301 |
| 0.65 | 66 | 0.1268 | 0.1847 | 0.0301 |
| 0.65 | 78 | 0.2054 | 0.158 | 0.0303 |
| 0.65 | 90 | -0.0115 | 0.178 | 0.03 |
| 0.65 | 102 | 0.1912 | 0.1639 | 0.0302 |
| 0.65 | 114 | -0.0154 | 0.152 | 0.03 |
| 0.65 | 126 | 0.1316 | 0.1472 | 0.0301 |
| 0.65 | 138 | -0.0078 | 0.198 | 0.03 |
| 0.65 | 150 | 0.145 | 0.2482 | 0.0301 |
| 0.65 | 222 | -0.502 | 0.2148 | 0.0316 |
| 0.65 | 234 | -0.0627 | 0.1751 | 0.03 |
| 0.65 | 246 | 0.0262 | 0.1612 | 0.03 |
| 0.65 | 258 | -0.129 | 0.1698 | 0.0301 |
| 0.65 | 270 | -0.0088 | 0.1773 | 0.03 |
| 0.65 | 282 | 0.2272 | 0.1885 | 0.0303 |
| 0.65 | 294 | 0.1297 | 0.2026 | 0.0301 |
| 0.75 | 78 | -0.1249 | 0.2169 | 0.0301 |
| 0.75 | 90 | 0.202 | 0.2116 | 0.0303 |
| 0.75 | 102 | -0.1771 | 0.1522 | 0.0302 |
| 0.75 | 114 | 0.1781 | 0.1414 | 0.0302 |
| 0.75 | 126 | 0.1711 | 0.141 | 0.0302 |
| 0.75 | 138 | 0.0587 | 0.1521 | 0.03 |
| 0.75 | 150 | 0.1593 | 0.208 | 0.0302 |
| 0.75 | 198 | -0.2622 | 0.2361 | 0.0305 |
| 0.75 | 210 | 0.0069 | 0.1912 | 0.03 |
| 0.75 | 222 | 0.1107 | 0.1794 | 0.0301 |
| 0.75 | 234 | -0.042 | 0.1365 | 0.03 |
| 0.75 | 246 | 0.2462 | 0.1195 | 0.0304 |
| 0.75 | 258 | 0.04 | 0.1446 | 0.03 |
| 0.75 | 270 | -0.0475 | 0.1718 | 0.03 |
| 0.75 | 282 | 0.4915 | 0.2332 | 0.0316 |
| 0.75 | 294 | -0.1841 | 0.2802 | 0.0302 |
| 0.85 | 90 | -0.157 | 0.2463 | 0.0302 |
| 0.85 | 102 | -0.1486 | 0.1939 | 0.0301 |
| 0.85 | 114 | -0.18 | 0.1368 | 0.0302 |
| 0.85 | 126 | -0.0312 | 0.1446 | 0.03 |
| 0.85 | 138 | 0.042 | 0.1447 | 0.03 |
| 0.85 | 150 | 0.0305 | 0.1807 | 0.03 |
| 0.85 | 162 | 0.3136 | 0.2273 | 0.0306 |
| 0.85 | 198 | 0.5268 | 0.2057 | 0.0318 |
| 0.85 | 210 | -0.0797 | 0.2115 | 0.03 |
| 0.85 | 222 | -0.0417 | 0.1592 | 0.03 |
| 0.85 | 234 | 0.0661 | 0.1492 | 0.03 |
| 0.85 | 246 | 0.1374 | 0.1324 | 0.0301 |
| 0.85 | 258 | -0.036 | 0.1279 | 0.03 |
| 0.85 | 270 | -0.2213 | 0.1556 | 0.0303 |
| 0.85 | 282 | 0.4594 | 0.2145 | 0.0314 |
| 0.95 | 102 | -0.4129 | 0.2223 | 0.0311 |
| 0.95 | 126 | -0.0398 | 0.245 | 0.03 |
| 0.95 | 138 | 0.4199 | 0.2325 | 0.0312 |
| 0.95 | 210 | 0.2061 | 0.2549 | 0.0303 |
| 0.95 | 222 | 0.2081 | 0.2054 | 0.0303 |
| 0.95 | 234 | -0.0319 | 0.1843 | 0.03 |
| 0.95 | 246 | 0.2425 | 0.1899 | 0.0304 |
| 0.95 | 258 | -0.2306 | 0.1871 | 0.0304 |
| 0.95 | 270 | 0.2934 | 0.2756 | 0.0306 |