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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 : | 0.0593 GeV2 | |
|---|---|---|
| W : | 1535 GeV | |
| ε : | 0.899 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.0796 |
|
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 |
|---|---|---|---|---|
| 0.35 | 66 | 0.2173 | 0.1953 | 0.0303 |
| 0.35 | 78 | -0.4856 | 0.1872 | 0.0315 |
| 0.35 | 270 | 0.0701 | 0.2285 | 0.03 |
| 0.35 | 282 | -0.0146 | 0.2365 | 0.03 |
| 0.45 | 66 | 0.0602 | 0.2163 | 0.03 |
| 0.45 | 78 | -0.064 | 0.1977 | 0.03 |
| 0.45 | 90 | 0.0527 | 0.2135 | 0.03 |
| 0.45 | 102 | -0.4976 | 0.2326 | 0.0316 |
| 0.45 | 114 | -0.1901 | 0.258 | 0.0302 |
| 0.45 | 126 | -0.1617 | 0.2497 | 0.0302 |
| 0.45 | 270 | -0.1806 | 0.1828 | 0.0302 |
| 0.45 | 282 | -0.3986 | 0.1875 | 0.031 |
| 0.45 | 294 | 0.2154 | 0.2078 | 0.0303 |
| 0.55 | 78 | -0.0068 | 0.2407 | 0.03 |
| 0.55 | 90 | 0.3073 | 0.2334 | 0.0306 |
| 0.55 | 114 | -0.1901 | 0.1949 | 0.0302 |
| 0.55 | 138 | -0.4886 | 0.1902 | 0.0316 |
| 0.55 | 222 | 0.1081 | 0.2516 | 0.0301 |
| 0.55 | 234 | -0.0988 | 0.2479 | 0.0301 |
| 0.55 | 246 | -0.1349 | 0.2378 | 0.0301 |
| 0.55 | 258 | -0.1132 | 0.2586 | 0.0301 |
| 0.55 | 270 | -0.0423 | 0.189 | 0.03 |
| 0.55 | 282 | 0.1392 | 0.2029 | 0.0301 |
| 0.65 | 78 | -0.2714 | 0.2249 | 0.0305 |
| 0.65 | 90 | -0.4836 | 0.2235 | 0.0315 |
| 0.65 | 102 | -0.3213 | 0.2475 | 0.0307 |
| 0.65 | 114 | 0.1791 | 0.1905 | 0.0302 |
| 0.65 | 126 | 0.1039 | 0.2099 | 0.0301 |
| 0.65 | 138 | -0.1024 | 0.1911 | 0.0301 |
| 0.65 | 150 | 0.174 | 0.2103 | 0.0302 |
| 0.65 | 162 | -0.2425 | 0.2577 | 0.0304 |
| 0.65 | 198 | 0.3855 | 0.2374 | 0.031 |
| 0.65 | 210 | 0.1331 | 0.2212 | 0.0301 |
| 0.65 | 222 | 0.2262 | 0.1848 | 0.0303 |
| 0.65 | 234 | 0.18 | 0.2116 | 0.0302 |
| 0.65 | 246 | 0.0144 | 0.2134 | 0.03 |
| 0.65 | 258 | -0.0388 | 0.2594 | 0.03 |
| 0.65 | 270 | 0.0218 | 0.2235 | 0.03 |
| 0.65 | 294 | 0.2388 | 0.2154 | 0.0304 |
| 0.75 | 66 | 0.1065 | 0.231 | 0.0301 |
| 0.75 | 102 | -0.181 | 0.2492 | 0.0302 |
| 0.75 | 114 | -0.0077 | 0.2027 | 0.03 |
| 0.75 | 126 | -0.1895 | 0.1817 | 0.0302 |
| 0.75 | 138 | 0.1801 | 0.2167 | 0.0302 |
| 0.75 | 150 | 0.2847 | 0.2551 | 0.0305 |
| 0.75 | 162 | 0.419 | 0.2452 | 0.0311 |
| 0.75 | 198 | 0.2013 | 0.251 | 0.0303 |
| 0.75 | 210 | 0.0698 | 0.2063 | 0.03 |
| 0.75 | 222 | -0.5753 | 0.1681 | 0.0321 |
| 0.75 | 234 | -0.101 | 0.2131 | 0.0301 |
| 0.75 | 246 | 0.1438 | 0.2337 | 0.0301 |
| 0.75 | 270 | -0.1098 | 0.2074 | 0.0301 |
| 0.75 | 282 | -0.1727 | 0.1667 | 0.0302 |
| 0.75 | 294 | -0.1569 | 0.2304 | 0.0302 |
| 0.85 | 90 | -0.238 | 0.2413 | 0.0304 |
| 0.85 | 102 | -0.0537 | 0.2292 | 0.03 |
| 0.85 | 114 | 0.3462 | 0.2398 | 0.0308 |
| 0.85 | 126 | 0.0289 | 0.263 | 0.03 |
| 0.85 | 210 | -0.373 | 0.1836 | 0.0309 |
| 0.85 | 222 | 0.3589 | 0.1959 | 0.0308 |
| 0.85 | 234 | 0.4163 | 0.1636 | 0.0311 |
| 0.85 | 246 | -0.1762 | 0.1979 | 0.0302 |
| 0.85 | 258 | 0.079 | 0.2459 | 0.03 |
| 0.85 | 270 | 0.1682 | 0.2515 | 0.0302 |
| 0.95 | 210 | 0.2362 | 0.2608 | 0.0304 |
| 0.95 | 222 | -0.1355 | 0.2453 | 0.0301 |
| 0.25 | 66 | -0.3555 | 0.2341 | 0.0308 |
| 0.25 | 78 | -0.304 | 0.2121 | 0.0306 |
| 0.25 | 294 | 0.1453 | 0.2377 | 0.0301 |
| 0.35 | 66 | 0.005 | 0.2187 | 0.03 |
| 0.35 | 78 | -0.1295 | 0.1853 | 0.0301 |
| 0.35 | 270 | 0.2278 | 0.2075 | 0.0303 |
| 0.35 | 282 | -0.0375 | 0.2024 | 0.03 |
| 0.35 | 294 | 0.0051 | 0.2088 | 0.03 |
| 0.45 | 66 | 0.0232 | 0.2426 | 0.03 |
| 0.45 | 78 | -0.1094 | 0.1758 | 0.0301 |
| 0.45 | 90 | -0.118 | 0.2405 | 0.0301 |
| 0.45 | 114 | -0.0677 | 0.2278 | 0.03 |
| 0.45 | 258 | -0.0552 | 0.2235 | 0.03 |
| 0.45 | 270 | 0.0336 | 0.1681 | 0.03 |
| 0.45 | 282 | 0.0829 | 0.1793 | 0.03 |
| 0.45 | 294 | 0.0523 | 0.2359 | 0.03 |
| 0.55 | 66 | 0.061 | 0.2493 | 0.03 |
| 0.55 | 78 | 0.1712 | 0.2503 | 0.0302 |
| 0.55 | 90 | 0.1603 | 0.238 | 0.0302 |
| 0.55 | 102 | 0.0375 | 0.2274 | 0.03 |
| 0.55 | 114 | 0.0021 | 0.2493 | 0.03 |
| 0.55 | 126 | 0.0155 | 0.2049 | 0.03 |
| 0.55 | 138 | 0.3402 | 0.1973 | 0.0308 |
| 0.55 | 210 | 0.0032 | 0.2251 | 0.03 |
| 0.55 | 234 | -0.0488 | 0.2537 | 0.03 |
| 0.55 | 246 | 0.2682 | 0.2026 | 0.0305 |
| 0.55 | 258 | -0.1458 | 0.1873 | 0.0301 |
| 0.55 | 270 | -0.2397 | 0.1742 | 0.0304 |
| 0.55 | 282 | 0.2012 | 0.1646 | 0.0303 |
| 0.65 | 66 | 0.1237 | 0.2135 | 0.0301 |
| 0.65 | 78 | 0.2016 | 0.2425 | 0.0303 |
| 0.65 | 102 | 0.1099 | 0.2193 | 0.0301 |
| 0.65 | 114 | -0.1049 | 0.1712 | 0.0301 |
| 0.65 | 126 | -0.0205 | 0.1781 | 0.03 |
| 0.65 | 138 | -0.1361 | 0.1804 | 0.0301 |
| 0.65 | 210 | -0.3702 | 0.1924 | 0.0309 |
| 0.65 | 222 | 0.0803 | 0.1928 | 0.03 |
| 0.65 | 234 | -0.0032 | 0.2087 | 0.03 |
| 0.65 | 258 | -0.0013 | 0.2248 | 0.03 |
| 0.65 | 270 | -0.1496 | 0.2125 | 0.0301 |
| 0.65 | 294 | -0.3026 | 0.2058 | 0.0306 |
| 0.75 | 102 | 0.2294 | 0.2247 | 0.0303 |
| 0.75 | 114 | -0.1611 | 0.1865 | 0.0302 |
| 0.75 | 126 | 0.0206 | 0.1746 | 0.03 |
| 0.75 | 138 | -0.481 | 0.1888 | 0.0315 |
| 0.75 | 210 | -0.0447 | 0.1972 | 0.03 |
| 0.75 | 222 | 0.117 | 0.1721 | 0.0301 |
| 0.75 | 234 | 0.1926 | 0.1887 | 0.0302 |
| 0.75 | 246 | -0.157 | 0.2032 | 0.0302 |
| 0.75 | 258 | 0.1828 | 0.2471 | 0.0302 |
| 0.75 | 282 | 0.4095 | 0.1562 | 0.0311 |
| 0.75 | 294 | -0.1541 | 0.187 | 0.0302 |
| 0.85 | 90 | -0.1695 | 0.2083 | 0.0302 |
| 0.85 | 102 | 0.4378 | 0.1949 | 0.0313 |
| 0.85 | 114 | 0.2119 | 0.2101 | 0.0303 |
| 0.85 | 126 | 0.0619 | 0.26 | 0.03 |
| 0.85 | 198 | 0.2619 | 0.24 | 0.0305 |
| 0.85 | 210 | 0.2119 | 0.1859 | 0.0303 |
| 0.85 | 222 | 0.1519 | 0.1701 | 0.0302 |
| 0.85 | 234 | -0.1286 | 0.1884 | 0.0301 |
| 0.85 | 246 | 0.0066 | 0.2042 | 0.03 |
| 0.95 | 114 | -0.2951 | 0.2009 | 0.0306 |
| 0.95 | 210 | -0.2538 | 0.234 | 0.0304 |
| 0.95 | 234 | -0.1807 | 0.2555 | 0.0302 |
| 0.95 | 246 | 0.0886 | 0.2398 | 0.0301 |