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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 : | 0.348 GeV2 | |
|---|---|---|
| W : | 1475 GeV | |
| ε : | 0.9185 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.4169 |
|
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 | -0.25 | 0.2275 | 0.0304 |
| 0.05 | 66 | 0.1398 | 0.2397 | 0.0301 |
| 0.15 | 54 | -0.3067 | 0.2425 | 0.0306 |
| 0.15 | 66 | 0.0844 | 0.2112 | 0.03 |
| 0.15 | 294 | 0.1262 | 0.2165 | 0.0301 |
| 0.25 | 66 | -0.0623 | 0.2409 | 0.03 |
| 0.25 | 282 | -0.0613 | 0.2534 | 0.03 |
| 0.25 | 294 | 0.1624 | 0.2413 | 0.0302 |
| 0.35 | 54 | -0.103 | 0.2678 | 0.0301 |
| 0.35 | 282 | -0.2528 | 0.19 | 0.0304 |
| 0.35 | 294 | -0.1642 | 0.2115 | 0.0302 |
| 0.45 | 90 | -0.3923 | 0.2145 | 0.031 |
| 0.45 | 102 | 0.3327 | 0.1835 | 0.0307 |
| 0.45 | 270 | 0.144 | 0.2837 | 0.0301 |
| 0.45 | 282 | -0.0325 | 0.2519 | 0.03 |
| 0.45 | 294 | -0.2554 | 0.2303 | 0.0304 |
| 0.45 | 306 | -0.1715 | 0.2699 | 0.0302 |
| 0.55 | 78 | 0.0206 | 0.2089 | 0.03 |
| 0.55 | 90 | 0.1661 | 0.1701 | 0.0302 |
| 0.55 | 102 | 0.3005 | 0.1908 | 0.0306 |
| 0.55 | 114 | -0.2611 | 0.2421 | 0.0305 |
| 0.55 | 258 | -0.2508 | 0.2428 | 0.0304 |
| 0.55 | 270 | -0.4247 | 0.2437 | 0.0312 |
| 0.55 | 282 | -0.1101 | 0.2608 | 0.0301 |
| 0.55 | 306 | -0.2682 | 0.2271 | 0.0305 |
| 0.65 | 54 | 0.354 | 0.2452 | 0.0308 |
| 0.65 | 78 | -0.1098 | 0.1878 | 0.0301 |
| 0.65 | 90 | 0.1919 | 0.1539 | 0.0302 |
| 0.65 | 102 | 0.334 | 0.1669 | 0.0307 |
| 0.65 | 114 | -0.1106 | 0.2332 | 0.0301 |
| 0.65 | 126 | 0.1176 | 0.2104 | 0.0301 |
| 0.65 | 234 | -0.1083 | 0.2597 | 0.0301 |
| 0.65 | 246 | 0.2356 | 0.1962 | 0.0304 |
| 0.65 | 258 | -0.0511 | 0.1933 | 0.03 |
| 0.65 | 270 | 0.0026 | 0.2375 | 0.03 |
| 0.75 | 54 | 0.0762 | 0.1932 | 0.03 |
| 0.75 | 66 | 0.0345 | 0.2371 | 0.03 |
| 0.75 | 78 | -0.1586 | 0.1887 | 0.0302 |
| 0.75 | 90 | 0.2233 | 0.148 | 0.0303 |
| 0.75 | 102 | 0.1064 | 0.1456 | 0.0301 |
| 0.75 | 114 | -0.0995 | 0.1684 | 0.0301 |
| 0.75 | 126 | -0.016 | 0.1945 | 0.03 |
| 0.75 | 138 | -0.4107 | 0.2344 | 0.0311 |
| 0.75 | 222 | -0.1547 | 0.2342 | 0.0302 |
| 0.75 | 234 | 0.2289 | 0.1687 | 0.0303 |
| 0.75 | 246 | -0.1816 | 0.1878 | 0.0302 |
| 0.75 | 258 | -0.0796 | 0.1761 | 0.03 |
| 0.75 | 270 | -0.1382 | 0.198 | 0.0301 |
| 0.75 | 282 | -0.0838 | 0.2051 | 0.03 |
| 0.85 | 54 | -0.1003 | 0.1904 | 0.0301 |
| 0.85 | 66 | -0.163 | 0.2097 | 0.0302 |
| 0.85 | 90 | 0.0669 | 0.203 | 0.03 |
| 0.85 | 102 | 0.1117 | 0.154 | 0.0301 |
| 0.85 | 114 | 0.1934 | 0.1777 | 0.0302 |
| 0.85 | 126 | 0.1612 | 0.2396 | 0.0302 |
| 0.85 | 198 | -0.299 | 0.2432 | 0.0306 |
| 0.85 | 210 | 0.0184 | 0.2057 | 0.03 |
| 0.85 | 222 | 0.0349 | 0.1894 | 0.03 |
| 0.85 | 234 | 0.1271 | 0.1486 | 0.0301 |
| 0.85 | 246 | -0.0345 | 0.1654 | 0.03 |
| 0.85 | 258 | -0.1123 | 0.1505 | 0.0301 |
| 0.85 | 270 | -0.0418 | 0.1499 | 0.03 |
| 0.85 | 282 | -0.0898 | 0.1658 | 0.0301 |
| 0.85 | 294 | -0.0371 | 0.2052 | 0.03 |
| 0.85 | 306 | -0.0567 | 0.2007 | 0.03 |
| 0.85 | 318 | -0.0691 | 0.2697 | 0.03 |
| 0.95 | 66 | -0.1661 | 0.2582 | 0.0302 |
| 0.95 | 102 | 0.3339 | 0.2709 | 0.0307 |
| 0.95 | 114 | -0.0158 | 0.2621 | 0.03 |
| 0.95 | 186 | 0.4816 | 0.2453 | 0.0315 |
| 0.95 | 198 | -0.197 | 0.2471 | 0.0303 |
| 0.95 | 210 | 0.067 | 0.244 | 0.03 |
| 0.95 | 222 | -0.0922 | 0.217 | 0.0301 |
| 0.95 | 234 | -0.1681 | 0.1891 | 0.0302 |
| 0.95 | 246 | -0.2666 | 0.1852 | 0.0305 |
| 0.95 | 258 | 0.0711 | 0.1982 | 0.03 |
| 0.95 | 270 | -0.3165 | 0.1669 | 0.0307 |
| 0.95 | 282 | -0.0954 | 0.1851 | 0.0301 |
| 0.95 | 294 | 0.1114 | 0.1739 | 0.0301 |
| 0.95 | 306 | 0.0741 | 0.186 | 0.03 |
| 0.95 | 318 | -0.0727 | 0.211 | 0.03 |
| 0.95 | 330 | 0.2921 | 0.2413 | 0.0306 |