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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 : | 0.1205 GeV2 | |
|---|---|---|
| W : | 1505 GeV | |
| ε : | 0.8952 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.1677 |
|
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 | 0.2684 | 0.2495 | 0.0305 |
| 0.25 | 78 | -0.4004 | 0.2308 | 0.0311 |
| 0.35 | 66 | -0.4543 | 0.1941 | 0.0313 |
| 0.35 | 78 | 0.0897 | 0.2264 | 0.0301 |
| 0.35 | 282 | 0.1019 | 0.1873 | 0.0301 |
| 0.35 | 294 | -0.0237 | 0.2486 | 0.03 |
| 0.45 | 270 | -0.0135 | 0.2403 | 0.03 |
| 0.45 | 282 | 0.07 | 0.2561 | 0.03 |
| 0.45 | 294 | -0.0897 | 0.2499 | 0.0301 |
| 0.55 | 102 | -0.5942 | 0.2112 | 0.0323 |
| 0.55 | 114 | 0.107 | 0.2229 | 0.0301 |
| 0.55 | 270 | 0.0203 | 0.2619 | 0.03 |
| 0.55 | 282 | 0.1609 | 0.2231 | 0.0302 |
| 0.65 | 102 | 0.1302 | 0.2159 | 0.0301 |
| 0.65 | 114 | -0.1086 | 0.1985 | 0.0301 |
| 0.65 | 126 | 0.0591 | 0.2327 | 0.03 |
| 0.65 | 138 | 0.0195 | 0.2361 | 0.03 |
| 0.65 | 222 | -0.5619 | 0.2084 | 0.032 |
| 0.65 | 246 | 0.0991 | 0.2385 | 0.0301 |
| 0.65 | 294 | 0.1449 | 0.23 | 0.0301 |
| 0.75 | 102 | -0.2767 | 0.2385 | 0.0305 |
| 0.75 | 114 | 0.3951 | 0.1771 | 0.031 |
| 0.75 | 126 | 0.0381 | 0.2077 | 0.03 |
| 0.75 | 138 | 0.3951 | 0.2204 | 0.031 |
| 0.75 | 210 | 0.5178 | 0.185 | 0.0317 |
| 0.75 | 222 | -0.1124 | 0.2142 | 0.0301 |
| 0.75 | 234 | -0.2016 | 0.2255 | 0.0303 |
| 0.75 | 246 | 0.0955 | 0.2116 | 0.0301 |
| 0.75 | 294 | -0.1439 | 0.2232 | 0.0301 |
| 0.85 | 78 | 0.1447 | 0.2362 | 0.0301 |
| 0.85 | 90 | 0.1087 | 0.2262 | 0.0301 |
| 0.85 | 126 | -0.3337 | 0.215 | 0.0307 |
| 0.85 | 234 | 0.2511 | 0.2193 | 0.0304 |
| 0.85 | 246 | 0.1324 | 0.2004 | 0.0301 |
| 0.85 | 258 | 0.0325 | 0.2181 | 0.03 |
| 0.95 | 234 | 0.0096 | 0.235 | 0.03 |
| 0.95 | 246 | 0.1173 | 0.218 | 0.0301 |
| 0.95 | 270 | -0.1044 | 0.251 | 0.0301 |
| 0.25 | 294 | -0.3604 | 0.2427 | 0.0309 |
| 0.35 | 78 | 0.121 | 0.2565 | 0.0301 |
| 0.35 | 282 | 0.338 | 0.2087 | 0.0308 |
| 0.35 | 294 | 0.0579 | 0.1942 | 0.03 |
| 0.45 | 66 | -0.0031 | 0.2487 | 0.03 |
| 0.45 | 78 | -0.0539 | 0.2458 | 0.03 |
| 0.45 | 270 | 0.1529 | 0.2042 | 0.0302 |
| 0.45 | 282 | -0.3102 | 0.1866 | 0.0306 |
| 0.55 | 102 | -0.0828 | 0.2538 | 0.03 |
| 0.55 | 114 | 0.0957 | 0.2361 | 0.0301 |
| 0.55 | 126 | -0.1184 | 0.246 | 0.0301 |
| 0.55 | 282 | 0.3875 | 0.2015 | 0.031 |
| 0.65 | 66 | 0.2904 | 0.2432 | 0.0306 |
| 0.65 | 102 | 0.3095 | 0.2096 | 0.0306 |
| 0.65 | 114 | 0.1629 | 0.1913 | 0.0302 |
| 0.65 | 126 | -0.1464 | 0.2095 | 0.0301 |
| 0.65 | 138 | -0.0076 | 0.2275 | 0.03 |
| 0.65 | 222 | 0.1479 | 0.2439 | 0.0301 |
| 0.65 | 234 | -0.0157 | 0.2251 | 0.03 |
| 0.65 | 246 | -0.1977 | 0.2133 | 0.0303 |
| 0.65 | 258 | 0.0498 | 0.2251 | 0.03 |
| 0.65 | 270 | -0.0187 | 0.2458 | 0.03 |
| 0.65 | 294 | 0.3297 | 0.2316 | 0.0307 |
| 0.75 | 102 | 0.0485 | 0.192 | 0.03 |
| 0.75 | 114 | -0.1482 | 0.2285 | 0.0301 |
| 0.75 | 126 | 0.2656 | 0.1779 | 0.0305 |
| 0.75 | 210 | 0.2348 | 0.2386 | 0.0304 |
| 0.75 | 222 | 0.2063 | 0.2327 | 0.0303 |
| 0.75 | 234 | 0.5079 | 0.207 | 0.0317 |
| 0.75 | 246 | -0.0064 | 0.2092 | 0.03 |
| 0.75 | 282 | -0.2269 | 0.2318 | 0.0303 |
| 0.75 | 294 | -0.0546 | 0.2117 | 0.03 |
| 0.85 | 78 | 0.2619 | 0.2315 | 0.0305 |
| 0.85 | 90 | -0.3204 | 0.2265 | 0.0307 |
| 0.85 | 210 | 0.1452 | 0.2243 | 0.0301 |
| 0.85 | 222 | -0.0222 | 0.215 | 0.03 |
| 0.85 | 234 | -0.1199 | 0.2512 | 0.0301 |
| 0.85 | 246 | -0.4274 | 0.1971 | 0.0312 |
| 0.85 | 258 | 0.1718 | 0.192 | 0.0302 |
| 0.95 | 222 | 0.0595 | 0.2239 | 0.03 |
| 0.95 | 234 | 0.1025 | 0.2538 | 0.0301 |
| 0.95 | 246 | -0.012 | 0.243 | 0.03 |
| 0.95 | 258 | 0.0325 | 0.2575 | 0.03 |
| 0.95 | 270 | -0.012 | 0.2192 | 0.03 |