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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 : | 0.0415 GeV2 | |
|---|---|---|
| W : | 1535 GeV | |
| ε : | 0.8705 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0553 |
|
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 |
|---|---|---|---|---|
| 0.25 | 66 | -0.0002 | 0.2433 | 0.03 |
| 0.25 | 78 | -0.1606 | 0.2153 | 0.0302 |
| 0.25 | 282 | 0.2107 | 0.2474 | 0.0303 |
| 0.25 | 318 | -0.1921 | 0.234 | 0.0302 |
| 0.25 | 330 | 0.1002 | 0.2676 | 0.0301 |
| 0.35 | 6 | -0.2167 | 0.2533 | 0.0303 |
| 0.35 | 54 | -0.6643 | 0.2055 | 0.0328 |
| 0.35 | 66 | -0.1585 | 0.2006 | 0.0302 |
| 0.35 | 78 | -0.0893 | 0.1854 | 0.0301 |
| 0.35 | 90 | 0.0472 | 0.2127 | 0.03 |
| 0.35 | 258 | -0.0108 | 0.2323 | 0.03 |
| 0.35 | 270 | 0.0175 | 0.1941 | 0.03 |
| 0.35 | 282 | -0.012 | 0.1677 | 0.03 |
| 0.35 | 294 | -0.0208 | 0.2395 | 0.03 |
| 0.35 | 318 | 0.1328 | 0.2711 | 0.0301 |
| 0.45 | 18 | -0.2709 | 0.2542 | 0.0305 |
| 0.45 | 30 | -0.0727 | 0.2558 | 0.03 |
| 0.45 | 66 | 0.2864 | 0.1914 | 0.0305 |
| 0.45 | 78 | -0.0569 | 0.1692 | 0.03 |
| 0.45 | 90 | -0.0917 | 0.1911 | 0.0301 |
| 0.45 | 102 | 0.0878 | 0.2219 | 0.0301 |
| 0.45 | 114 | -0.3921 | 0.2354 | 0.031 |
| 0.45 | 126 | -0.1397 | 0.2436 | 0.0301 |
| 0.45 | 138 | -0.2537 | 0.2353 | 0.0304 |
| 0.45 | 210 | 0.4843 | 0.2401 | 0.0315 |
| 0.45 | 222 | -0.1406 | 0.2684 | 0.0301 |
| 0.45 | 258 | 0.3181 | 0.1825 | 0.0307 |
| 0.45 | 270 | 0.1025 | 0.1763 | 0.0301 |
| 0.45 | 282 | 0.1994 | 0.1477 | 0.0303 |
| 0.45 | 294 | 0.26 | 0.2004 | 0.0304 |
| 0.45 | 306 | 0.0292 | 0.2458 | 0.03 |
| 0.45 | 330 | 0.0868 | 0.2693 | 0.0301 |
| 0.55 | 78 | -0.103 | 0.2007 | 0.0301 |
| 0.55 | 90 | 0.1385 | 0.2234 | 0.0301 |
| 0.55 | 102 | -0.3528 | 0.197 | 0.0308 |
| 0.55 | 114 | -0.1242 | 0.1821 | 0.0301 |
| 0.55 | 126 | -0.088 | 0.1867 | 0.0301 |
| 0.55 | 138 | -0.1398 | 0.2294 | 0.0301 |
| 0.55 | 150 | -0.0282 | 0.2471 | 0.03 |
| 0.55 | 198 | 0.4674 | 0.2145 | 0.0314 |
| 0.55 | 210 | -0.2243 | 0.2171 | 0.0303 |
| 0.55 | 222 | 0.0606 | 0.2028 | 0.03 |
| 0.55 | 234 | -0.0143 | 0.2521 | 0.03 |
| 0.55 | 246 | -0.5919 | 0.2029 | 0.0323 |
| 0.55 | 258 | 0.2318 | 0.178 | 0.0304 |
| 0.55 | 270 | -0.0555 | 0.1566 | 0.03 |
| 0.55 | 282 | -0.0728 | 0.1718 | 0.03 |
| 0.65 | 66 | 0.4227 | 0.2374 | 0.0312 |
| 0.65 | 78 | 0.3991 | 0.206 | 0.031 |
| 0.65 | 90 | -0.0219 | 0.2453 | 0.03 |
| 0.65 | 102 | -0.0104 | 0.2708 | 0.03 |
| 0.65 | 114 | -0.1953 | 0.1906 | 0.0303 |
| 0.65 | 126 | 0.1585 | 0.1619 | 0.0302 |
| 0.65 | 138 | -0.0261 | 0.1793 | 0.03 |
| 0.65 | 150 | -0.2142 | 0.2388 | 0.0303 |
| 0.65 | 162 | -0.3433 | 0.2371 | 0.0308 |
| 0.65 | 186 | -0.0906 | 0.2763 | 0.0301 |
| 0.65 | 198 | -0.613 | 0.1896 | 0.0324 |
| 0.65 | 210 | -0.0291 | 0.1596 | 0.03 |
| 0.65 | 222 | -0.1732 | 0.1627 | 0.0302 |
| 0.65 | 234 | -0.0653 | 0.1907 | 0.03 |
| 0.65 | 246 | -0.187 | 0.184 | 0.0302 |
| 0.65 | 258 | 0.3322 | 0.1986 | 0.0307 |
| 0.65 | 270 | -0.0302 | 0.198 | 0.03 |
| 0.65 | 282 | -0.0023 | 0.2002 | 0.03 |
| 0.65 | 294 | -0.0539 | 0.216 | 0.03 |
| 0.75 | 66 | -0.1848 | 0.2053 | 0.0302 |
| 0.75 | 78 | -0.084 | 0.2356 | 0.03 |
| 0.75 | 90 | 0.27 | 0.2643 | 0.0305 |
| 0.75 | 114 | -0.1017 | 0.2178 | 0.0301 |
| 0.75 | 126 | -0.0201 | 0.1825 | 0.03 |
| 0.75 | 138 | 0.3681 | 0.1622 | 0.0309 |
| 0.75 | 150 | -0.0958 | 0.2289 | 0.0301 |
| 0.75 | 162 | 0.2778 | 0.2394 | 0.0305 |
| 0.75 | 186 | -0.0489 | 0.2639 | 0.03 |
| 0.75 | 198 | -0.0746 | 0.2047 | 0.03 |
| 0.75 | 210 | -0.0662 | 0.1638 | 0.03 |
| 0.75 | 222 | -0.2107 | 0.1649 | 0.0303 |
| 0.75 | 234 | -0.1175 | 0.1642 | 0.0301 |
| 0.75 | 246 | 0.3131 | 0.1833 | 0.0306 |
| 0.75 | 258 | -0.6276 | 0.1877 | 0.0325 |
| 0.75 | 270 | 0.0108 | 0.2146 | 0.03 |
| 0.75 | 282 | -0.0566 | 0.1419 | 0.03 |
| 0.75 | 294 | 0.1623 | 0.1996 | 0.0302 |
| 0.85 | 102 | -0.0456 | 0.1919 | 0.03 |
| 0.85 | 114 | -0.2876 | 0.1664 | 0.0305 |
| 0.85 | 126 | 0.2165 | 0.1854 | 0.0303 |
| 0.85 | 138 | 0.0558 | 0.2474 | 0.03 |
| 0.85 | 186 | 0.1223 | 0.2632 | 0.0301 |
| 0.85 | 198 | 0.0719 | 0.2229 | 0.03 |
| 0.85 | 210 | 0.2276 | 0.1798 | 0.0303 |
| 0.85 | 222 | 0.0363 | 0.1705 | 0.03 |
| 0.85 | 234 | -0.21 | 0.145 | 0.0303 |
| 0.85 | 246 | -0.1764 | 0.1995 | 0.0302 |
| 0.85 | 258 | -0.2203 | 0.2483 | 0.0303 |
| 0.85 | 270 | 0.0163 | 0.3036 | 0.03 |
| 0.95 | 222 | -0.122 | 0.2419 | 0.0301 |
| 0.95 | 234 | -0.2773 | 0.2169 | 0.0305 |