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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 : | 0.1435 GeV2 | |
|---|---|---|
| W : | 1655 GeV | |
| ε : | 0.8999 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.1134 |
|
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 | 66 | 0.2456 | 0.2794 | 0.0304 |
| 0.25 | 66 | -0.1242 | 0.1982 | 0.0301 |
| 0.25 | 78 | 0.1641 | 0.2514 | 0.0302 |
| 0.25 | 270 | 0.2156 | 0.2721 | 0.0303 |
| 0.25 | 282 | 0.15 | 0.2129 | 0.0301 |
| 0.25 | 294 | 0.6997 | 0.1708 | 0.0331 |
| 0.35 | 66 | -0.0523 | 0.2169 | 0.03 |
| 0.35 | 78 | -0.0542 | 0.2411 | 0.03 |
| 0.35 | 90 | -0.049 | 0.2644 | 0.03 |
| 0.35 | 102 | 0.3371 | 0.2603 | 0.0307 |
| 0.35 | 114 | 0.0307 | 0.2324 | 0.03 |
| 0.35 | 258 | 0.4659 | 0.2353 | 0.0314 |
| 0.35 | 270 | -0.0689 | 0.1896 | 0.03 |
| 0.35 | 282 | 0.0453 | 0.2059 | 0.03 |
| 0.35 | 294 | 0.0278 | 0.1866 | 0.03 |
| 0.45 | 66 | 0.0287 | 0.2288 | 0.03 |
| 0.45 | 78 | -0.09 | 0.2507 | 0.0301 |
| 0.45 | 90 | 0.2964 | 0.261 | 0.0306 |
| 0.45 | 102 | -0.3324 | 0.1865 | 0.0307 |
| 0.45 | 114 | -0.0559 | 0.1872 | 0.03 |
| 0.45 | 126 | -0.0721 | 0.2055 | 0.03 |
| 0.45 | 138 | -0.0984 | 0.2256 | 0.0301 |
| 0.45 | 222 | -0.0109 | 0.2504 | 0.03 |
| 0.45 | 234 | 0.2945 | 0.2555 | 0.0306 |
| 0.45 | 246 | -0.4801 | 0.2432 | 0.0315 |
| 0.45 | 258 | -0.1249 | 0.2115 | 0.0301 |
| 0.45 | 270 | 0.0955 | 0.1704 | 0.0301 |
| 0.45 | 282 | 0.0529 | 0.1561 | 0.03 |
| 0.45 | 294 | -0.064 | 0.1996 | 0.03 |
| 0.55 | 42 | -0.058 | 0.2383 | 0.03 |
| 0.55 | 54 | 0.0413 | 0.247 | 0.03 |
| 0.55 | 66 | -0.0369 | 0.2036 | 0.03 |
| 0.55 | 78 | 0.3908 | 0.2069 | 0.031 |
| 0.55 | 90 | 0.1536 | 0.2193 | 0.0302 |
| 0.55 | 102 | 0.2224 | 0.1619 | 0.0303 |
| 0.55 | 114 | -0.0916 | 0.149 | 0.0301 |
| 0.55 | 126 | 0.5242 | 0.1635 | 0.0318 |
| 0.55 | 138 | 0.3177 | 0.2067 | 0.0307 |
| 0.55 | 198 | 0.0941 | 0.2135 | 0.0301 |
| 0.55 | 210 | -0.2507 | 0.1842 | 0.0304 |
| 0.55 | 222 | 0.1617 | 0.2023 | 0.0302 |
| 0.55 | 234 | 0.1208 | 0.2195 | 0.0301 |
| 0.55 | 246 | -0.2268 | 0.1906 | 0.0303 |
| 0.55 | 258 | -0.1557 | 0.1827 | 0.0302 |
| 0.55 | 270 | -0.2184 | 0.157 | 0.0303 |
| 0.55 | 282 | -0.0367 | 0.1648 | 0.03 |
| 0.55 | 294 | 0.113 | 0.2518 | 0.0301 |
| 0.55 | 306 | -0.1624 | 0.2467 | 0.0302 |
| 0.65 | 42 | 0.171 | 0.2607 | 0.0302 |
| 0.65 | 54 | 0.1862 | 0.1881 | 0.0302 |
| 0.65 | 66 | -0.1888 | 0.23 | 0.0302 |
| 0.65 | 78 | -0.3452 | 0.2118 | 0.0308 |
| 0.65 | 90 | -0.0059 | 0.2111 | 0.03 |
| 0.65 | 102 | -0.0685 | 0.1528 | 0.03 |
| 0.65 | 114 | 0.147 | 0.1373 | 0.0301 |
| 0.65 | 126 | 0.0347 | 0.1713 | 0.03 |
| 0.65 | 138 | 0.1586 | 0.1907 | 0.0302 |
| 0.65 | 150 | 0.1177 | 0.2555 | 0.0301 |
| 0.65 | 174 | 0.2326 | 0.2336 | 0.0304 |
| 0.65 | 186 | -0.3357 | 0.2183 | 0.0307 |
| 0.65 | 198 | 0.1616 | 0.1905 | 0.0302 |
| 0.65 | 210 | 0.0622 | 0.18 | 0.03 |
| 0.65 | 222 | 0.2168 | 0.1649 | 0.0303 |
| 0.65 | 234 | -0.082 | 0.1742 | 0.03 |
| 0.65 | 246 | 0.1914 | 0.1877 | 0.0302 |
| 0.65 | 258 | -0.2471 | 0.206 | 0.0304 |
| 0.65 | 270 | 0.0484 | 0.2398 | 0.03 |
| 0.65 | 282 | -0.0208 | 0.1726 | 0.03 |
| 0.65 | 294 | 0.0703 | 0.1482 | 0.03 |
| 0.65 | 306 | -0.5265 | 0.1635 | 0.0318 |
| 0.75 | 66 | 0.3572 | 0.2564 | 0.0308 |
| 0.75 | 78 | 0.0568 | 0.2124 | 0.03 |
| 0.75 | 90 | -0.1053 | 0.1622 | 0.0301 |
| 0.75 | 102 | 0.2223 | 0.1859 | 0.0303 |
| 0.75 | 114 | 0.2337 | 0.145 | 0.0304 |
| 0.75 | 126 | 0.0183 | 0.1526 | 0.03 |
| 0.75 | 138 | 0.0913 | 0.1783 | 0.0301 |
| 0.75 | 150 | 0.064 | 0.2253 | 0.03 |
| 0.75 | 162 | -0.5194 | 0.2125 | 0.0317 |
| 0.75 | 174 | -0.3553 | 0.2114 | 0.0308 |
| 0.75 | 186 | -0.092 | 0.1893 | 0.0301 |
| 0.75 | 198 | -0.015 | 0.1454 | 0.03 |
| 0.75 | 210 | 0.0255 | 0.1407 | 0.03 |
| 0.75 | 222 | 0.0233 | 0.1407 | 0.03 |
| 0.75 | 234 | 0.027 | 0.1391 | 0.03 |
| 0.75 | 246 | 0.1056 | 0.1611 | 0.0301 |
| 0.75 | 258 | -0.0494 | 0.2158 | 0.03 |
| 0.75 | 270 | -0.3479 | 0.221 | 0.0308 |
| 0.75 | 282 | -0.1118 | 0.1408 | 0.0301 |
| 0.75 | 294 | -0.03 | 0.1354 | 0.03 |
| 0.75 | 306 | 0.019 | 0.2239 | 0.03 |
| 0.85 | 78 | -0.2631 | 0.1494 | 0.0305 |
| 0.85 | 90 | 0.0375 | 0.1218 | 0.03 |
| 0.85 | 102 | -0.001 | 0.1279 | 0.03 |
| 0.85 | 114 | 0.0056 | 0.1778 | 0.03 |
| 0.85 | 126 | 0.619 | 0.2245 | 0.0325 |
| 0.85 | 138 | 0.2623 | 0.21 | 0.0305 |
| 0.85 | 150 | 0.4844 | 0.2048 | 0.0315 |
| 0.85 | 162 | -0.0752 | 0.2552 | 0.03 |
| 0.85 | 174 | 0.0847 | 0.1889 | 0.03 |
| 0.85 | 186 | -0.0057 | 0.1988 | 0.03 |
| 0.85 | 198 | -0.1555 | 0.1421 | 0.0302 |
| 0.85 | 210 | -0.2155 | 0.1171 | 0.0303 |
| 0.85 | 222 | -0.1938 | 0.1201 | 0.0302 |
| 0.85 | 234 | -0.0154 | 0.1216 | 0.03 |
| 0.85 | 246 | 0.1331 | 0.1206 | 0.0301 |
| 0.85 | 258 | -0.0907 | 0.176 | 0.0301 |
| 0.85 | 270 | 0.0728 | 0.202 | 0.03 |
| 0.85 | 282 | 0.0671 | 0.1916 | 0.03 |
| 0.85 | 294 | 0.0329 | 0.2656 | 0.03 |
| 0.95 | 90 | -0.1242 | 0.1966 | 0.0301 |
| 0.95 | 102 | -0.2561 | 0.1764 | 0.0304 |
| 0.95 | 114 | -0.1635 | 0.2305 | 0.0302 |
| 0.95 | 174 | 0.0919 | 0.2431 | 0.0301 |
| 0.95 | 186 | -0.3424 | 0.2147 | 0.0308 |
| 0.95 | 198 | -0.3472 | 0.173 | 0.0308 |
| 0.95 | 210 | -0.1038 | 0.1789 | 0.0301 |
| 0.95 | 222 | -0.1691 | 0.1388 | 0.0302 |
| 0.95 | 234 | 0.0707 | 0.1527 | 0.03 |
| 0.95 | 246 | -0.0383 | 0.147 | 0.03 |
| 0.95 | 258 | -0.1635 | 0.1528 | 0.0302 |
| 0.95 | 270 | 0.4187 | 0.1775 | 0.0311 |