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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 : | 1565 GeV | |
| ε : | 0.8852 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.0697 |
|
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 | 78 | 0.5071 | 0.2164 | 0.0317 |
| 0.35 | 270 | 0.172 | 0.2519 | 0.0302 |
| 0.35 | 282 | 0.0029 | 0.25 | 0.03 |
| 0.45 | 126 | -0.4542 | 0.2446 | 0.0313 |
| 0.45 | 258 | -0.2937 | 0.251 | 0.0306 |
| 0.45 | 270 | -0.3356 | 0.228 | 0.0307 |
| 0.45 | 282 | -0.1637 | 0.234 | 0.0302 |
| 0.55 | 114 | 0.2371 | 0.2105 | 0.0304 |
| 0.55 | 126 | -0.1578 | 0.2252 | 0.0302 |
| 0.55 | 258 | -0.1072 | 0.2285 | 0.0301 |
| 0.55 | 270 | -0.043 | 0.2136 | 0.03 |
| 0.55 | 282 | 0.2413 | 0.2016 | 0.0304 |
| 0.65 | 78 | 0.2346 | 0.2521 | 0.0304 |
| 0.65 | 102 | -0.1894 | 0.2483 | 0.0302 |
| 0.65 | 114 | 0.0531 | 0.2021 | 0.03 |
| 0.65 | 126 | 0.0534 | 0.1969 | 0.03 |
| 0.65 | 138 | -0.1101 | 0.1971 | 0.0301 |
| 0.65 | 150 | -0.4179 | 0.2374 | 0.0311 |
| 0.65 | 198 | 0.0224 | 0.2314 | 0.03 |
| 0.65 | 210 | 0.0512 | 0.2081 | 0.03 |
| 0.65 | 222 | -0.2709 | 0.211 | 0.0305 |
| 0.65 | 234 | 0.3984 | 0.2099 | 0.031 |
| 0.65 | 270 | -0.0547 | 0.2522 | 0.03 |
| 0.65 | 294 | -0.1607 | 0.2225 | 0.0302 |
| 0.75 | 66 | -0.2788 | 0.2338 | 0.0305 |
| 0.75 | 102 | 0.0332 | 0.2478 | 0.03 |
| 0.75 | 114 | -0.2146 | 0.2382 | 0.0303 |
| 0.75 | 126 | -0.5103 | 0.2049 | 0.0317 |
| 0.75 | 138 | 0.0098 | 0.2146 | 0.03 |
| 0.75 | 198 | -0.1363 | 0.2453 | 0.0301 |
| 0.75 | 210 | -0.1319 | 0.2238 | 0.0301 |
| 0.75 | 222 | -0.0502 | 0.2231 | 0.03 |
| 0.75 | 234 | -0.1123 | 0.2251 | 0.0301 |
| 0.75 | 246 | -0.1248 | 0.2243 | 0.0301 |
| 0.75 | 270 | -0.1674 | 0.2129 | 0.0302 |
| 0.75 | 282 | 0.0512 | 0.1676 | 0.03 |
| 0.75 | 294 | -0.469 | 0.2146 | 0.0314 |
| 0.85 | 102 | 0.081 | 0.1747 | 0.03 |
| 0.85 | 198 | 0.1818 | 0.2566 | 0.0302 |
| 0.85 | 210 | -0.1317 | 0.1955 | 0.0301 |
| 0.85 | 222 | -0.1933 | 0.1964 | 0.0302 |
| 0.85 | 234 | -0.1656 | 0.1789 | 0.0302 |
| 0.85 | 246 | 0.2026 | 0.2197 | 0.0303 |
| 0.95 | 222 | 0.1078 | 0.2526 | 0.0301 |
| 0.95 | 234 | 0.0495 | 0.2401 | 0.03 |
| 0.25 | 78 | 0.0006 | 0.2304 | 0.03 |
| 0.35 | 66 | -0.1796 | 0.2277 | 0.0302 |
| 0.35 | 78 | 0.2855 | 0.2025 | 0.0305 |
| 0.35 | 270 | 0.4094 | 0.2105 | 0.0311 |
| 0.35 | 282 | 0.0454 | 0.2046 | 0.03 |
| 0.45 | 66 | -0.3443 | 0.2326 | 0.0308 |
| 0.45 | 78 | -0.0924 | 0.2272 | 0.0301 |
| 0.45 | 114 | -0.3371 | 0.2507 | 0.0307 |
| 0.45 | 138 | -0.0595 | 0.2541 | 0.03 |
| 0.45 | 270 | 0.2953 | 0.1977 | 0.0306 |
| 0.45 | 282 | -0.152 | 0.2238 | 0.0302 |
| 0.55 | 78 | 0.1755 | 0.246 | 0.0302 |
| 0.55 | 114 | -0.1655 | 0.2026 | 0.0302 |
| 0.55 | 126 | -0.0236 | 0.2625 | 0.03 |
| 0.55 | 138 | 0.6097 | 0.188 | 0.0324 |
| 0.55 | 210 | -0.0297 | 0.2539 | 0.03 |
| 0.55 | 246 | -0.3428 | 0.2332 | 0.0308 |
| 0.55 | 258 | 0.0129 | 0.2116 | 0.03 |
| 0.55 | 270 | 0.0387 | 0.2036 | 0.03 |
| 0.55 | 282 | -0.0943 | 0.2139 | 0.0301 |
| 0.65 | 102 | 0.0273 | 0.2454 | 0.03 |
| 0.65 | 114 | 0.1431 | 0.1763 | 0.0301 |
| 0.65 | 126 | 0.1465 | 0.1758 | 0.0301 |
| 0.65 | 138 | -0.2977 | 0.2117 | 0.0306 |
| 0.65 | 210 | 0.1457 | 0.2081 | 0.0301 |
| 0.65 | 222 | 0.2774 | 0.1928 | 0.0305 |
| 0.65 | 234 | -0.1106 | 0.2345 | 0.0301 |
| 0.65 | 246 | 0.1018 | 0.2357 | 0.0301 |
| 0.65 | 258 | 0.2928 | 0.2202 | 0.0306 |
| 0.65 | 270 | 0.033 | 0.2505 | 0.03 |
| 0.65 | 282 | 0.6533 | 0.1889 | 0.0327 |
| 0.75 | 66 | -0.5319 | 0.2262 | 0.0318 |
| 0.75 | 102 | -0.1966 | 0.2401 | 0.0303 |
| 0.75 | 114 | -0.0103 | 0.2178 | 0.03 |
| 0.75 | 126 | -0.1433 | 0.1696 | 0.0301 |
| 0.75 | 138 | 0.0562 | 0.2108 | 0.03 |
| 0.75 | 150 | -0.0063 | 0.2412 | 0.03 |
| 0.75 | 198 | -0.0469 | 0.263 | 0.03 |
| 0.75 | 210 | -0.0241 | 0.2627 | 0.03 |
| 0.75 | 222 | -0.1237 | 0.2009 | 0.0301 |
| 0.75 | 234 | 0.2839 | 0.194 | 0.0305 |
| 0.75 | 246 | -0.038 | 0.2196 | 0.03 |
| 0.75 | 270 | 0.1214 | 0.2403 | 0.0301 |
| 0.75 | 282 | -0.0884 | 0.1675 | 0.0301 |
| 0.75 | 294 | 0.3339 | 0.216 | 0.0307 |
| 0.85 | 90 | 0.1746 | 0.2613 | 0.0302 |
| 0.85 | 102 | -0.0349 | 0.2026 | 0.03 |
| 0.85 | 114 | -0.045 | 0.2268 | 0.03 |
| 0.85 | 210 | -0.0067 | 0.2079 | 0.03 |
| 0.85 | 222 | 0.0709 | 0.1758 | 0.03 |
| 0.85 | 234 | -0.5461 | 0.1978 | 0.0319 |
| 0.85 | 246 | -0.0263 | 0.2309 | 0.03 |
| 0.95 | 222 | 0.1282 | 0.2514 | 0.0301 |