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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 : | 0.0844 GeV2 | |
|---|---|---|
| W : | 1535 GeV | |
| ε : | 0.8921 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.109 |
|
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 | 78 | -0.1493 | 0.2357 | 0.0301 |
| 0.25 | 282 | 0.0619 | 0.1742 | 0.0301 |
| 0.25 | 294 | -0.1175 | 0.1709 | 0.0301 |
| 0.35 | 66 | 0.0384 | 0.1613 | 0.03 |
| 0.35 | 78 | 0.1009 | 0.1579 | 0.0306 |
| 0.35 | 270 | -0.1129 | 0.2054 | 0.0301 |
| 0.35 | 282 | 0.1245 | 0.1395 | 0.0303 |
| 0.45 | 66 | 0.1235 | 0.264 | 0.0301 |
| 0.45 | 78 | 0.1199 | 0.2139 | 0.0301 |
| 0.45 | 102 | -0.3393 | 0.2528 | 0.0308 |
| 0.45 | 258 | 0.0304 | 0.2544 | 0.03 |
| 0.45 | 270 | 0.1159 | 0.2486 | 0.0301 |
| 0.45 | 282 | -0.2349 | 0.1803 | 0.0304 |
| 0.45 | 294 | 0.2501 | 0.2382 | 0.0304 |
| 0.55 | 102 | -0.6069 | 0.2192 | 0.0324 |
| 0.55 | 114 | -0.0163 | 0.201 | 0.03 |
| 0.55 | 126 | -0.054 | 0.2274 | 0.03 |
| 0.55 | 138 | 0.0654 | 0.2403 | 0.03 |
| 0.55 | 258 | -0.316 | 0.2435 | 0.0307 |
| 0.55 | 270 | -0.1957 | 0.2026 | 0.0303 |
| 0.55 | 282 | -0.0822 | 0.2135 | 0.03 |
| 0.65 | 66 | -0.1557 | 0.229 | 0.0302 |
| 0.65 | 78 | -0.3672 | 0.2325 | 0.0309 |
| 0.65 | 102 | -0.0882 | 0.2553 | 0.0301 |
| 0.65 | 114 | -0.204 | 0.2484 | 0.0303 |
| 0.65 | 126 | 0.2736 | 0.185 | 0.0305 |
| 0.65 | 138 | 0.2008 | 0.2409 | 0.0303 |
| 0.65 | 210 | -0.1056 | 0.2081 | 0.0301 |
| 0.65 | 222 | -0.1011 | 0.1831 | 0.0301 |
| 0.65 | 234 | 0.0241 | 0.1997 | 0.03 |
| 0.65 | 246 | -0.0536 | 0.2482 | 0.03 |
| 0.65 | 258 | -0.0212 | 0.2433 | 0.03 |
| 0.65 | 270 | -0.1768 | 0.2461 | 0.0302 |
| 0.65 | 294 | -0.2284 | 0.2603 | 0.0303 |
| 0.75 | 66 | -0.0058 | 0.2687 | 0.03 |
| 0.75 | 114 | 0.1383 | 0.1856 | 0.0301 |
| 0.75 | 126 | -0.2389 | 0.1998 | 0.0304 |
| 0.75 | 138 | -0.162 | 0.1906 | 0.0302 |
| 0.75 | 150 | 0.5515 | 0.1976 | 0.032 |
| 0.75 | 198 | -0.2153 | 0.2175 | 0.0303 |
| 0.75 | 210 | 0.1253 | 0.2378 | 0.0301 |
| 0.75 | 222 | 0.2876 | 0.1911 | 0.0305 |
| 0.75 | 234 | -0.198 | 0.1804 | 0.0303 |
| 0.75 | 246 | 0.0617 | 0.1926 | 0.03 |
| 0.75 | 282 | -0.2517 | 0.1858 | 0.0304 |
| 0.75 | 294 | -0.1438 | 0.2001 | 0.0301 |
| 0.85 | 90 | -0.239 | 0.2008 | 0.0304 |
| 0.85 | 102 | -0.2064 | 0.221 | 0.0303 |
| 0.85 | 126 | 0.1841 | 0.2658 | 0.0302 |
| 0.85 | 210 | -0.0035 | 0.1999 | 0.03 |
| 0.85 | 222 | 0.329 | 0.1744 | 0.0307 |
| 0.85 | 234 | -0.0713 | 0.2159 | 0.03 |
| 0.85 | 246 | -0.0115 | 0.215 | 0.03 |
| 0.85 | 258 | -0.1619 | 0.2227 | 0.0302 |
| 0.95 | 234 | -0.0153 | 0.2617 | 0.03 |
| 0.95 | 246 | 0.2798 | 0.2317 | 0.0305 |
| 0.35 | 294 | -0.003 | 0.2637 | 0.03 |
| 0.45 | 78 | -0.1218 | 0.2257 | 0.0301 |
| 0.45 | 270 | -0.049 | 0.2551 | 0.03 |
| 0.45 | 282 | 0.0976 | 0.2033 | 0.0301 |
| 0.45 | 294 | 0.2106 | 0.2332 | 0.0303 |
| 0.55 | 78 | -0.1076 | 0.2453 | 0.0301 |
| 0.55 | 90 | 0.1775 | 0.2515 | 0.0302 |
| 0.55 | 114 | 0.345 | 0.2044 | 0.0308 |
| 0.55 | 126 | -0.1837 | 0.2143 | 0.0302 |
| 0.55 | 138 | -0.422 | 0.2327 | 0.0312 |
| 0.55 | 222 | 0.4232 | 0.2329 | 0.0312 |
| 0.55 | 270 | 0.0129 | 0.186 | 0.03 |
| 0.55 | 282 | -0.098 | 0.2022 | 0.0301 |
| 0.65 | 114 | -0.0809 | 0.1989 | 0.03 |
| 0.65 | 126 | -0.0013 | 0.2082 | 0.03 |
| 0.65 | 138 | 0.0777 | 0.226 | 0.03 |
| 0.65 | 198 | -0.4204 | 0.2385 | 0.0312 |
| 0.65 | 222 | -0.1913 | 0.1993 | 0.0302 |
| 0.65 | 234 | -0.2075 | 0.1768 | 0.0303 |
| 0.65 | 246 | 0.269 | 0.2187 | 0.0305 |
| 0.65 | 258 | 0.1482 | 0.2179 | 0.0301 |
| 0.65 | 282 | -0.1382 | 0.2477 | 0.0301 |
| 0.65 | 294 | 0.2255 | 0.2063 | 0.0303 |
| 0.75 | 102 | -0.4074 | 0.2247 | 0.0311 |
| 0.75 | 114 | 0.1644 | 0.215 | 0.0302 |
| 0.75 | 126 | 0.2097 | 0.1878 | 0.0303 |
| 0.75 | 138 | 0.158 | 0.1941 | 0.0302 |
| 0.75 | 150 | -0.0101 | 0.2526 | 0.03 |
| 0.75 | 198 | 0.1512 | 0.2354 | 0.0302 |
| 0.75 | 210 | 0.1337 | 0.202 | 0.0301 |
| 0.75 | 222 | -0.201 | 0.2085 | 0.0303 |
| 0.75 | 234 | 0.006 | 0.1887 | 0.03 |
| 0.75 | 246 | 0.0158 | 0.2012 | 0.03 |
| 0.75 | 258 | -0.1958 | 0.2364 | 0.0303 |
| 0.75 | 282 | -0.2392 | 0.1907 | 0.0304 |
| 0.75 | 294 | -0.0928 | 0.2387 | 0.0301 |
| 0.85 | 90 | -0.0312 | 0.1852 | 0.03 |
| 0.85 | 102 | 0.5015 | 0.1837 | 0.0316 |
| 0.85 | 138 | -0.1176 | 0.237 | 0.0301 |
| 0.85 | 210 | -0.079 | 0.2262 | 0.03 |
| 0.85 | 222 | -0.1245 | 0.1915 | 0.0301 |
| 0.85 | 234 | 0.1205 | 0.1873 | 0.0301 |
| 0.85 | 246 | 0.2589 | 0.2113 | 0.0304 |
| 0.85 | 258 | -0.1715 | 0.2326 | 0.0302 |
| 0.95 | 222 | -0.0708 | 0.212 | 0.03 |
| 0.95 | 234 | 0.1887 | 0.2355 | 0.0302 |
| 0.95 | 246 | 0.0052 | 0.2422 | 0.03 |
| 0.95 | 258 | -0.0717 | 0.2186 | 0.03 |