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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 : | 0.101 GeV2 | |
|---|---|---|
| W : | 1385 GeV | |
| ε : | 0.8026 | |
| Ebeam : | 1.3383 GeV | |
| εL: | 0.22 |
|
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 |
|---|---|---|---|---|
| 0.65 | 114 | 0.8143 | 0.2024 | 0.0341 |
| 0.65 | 126 | 0.7736 | 0.2462 | 0.0338 |
| 0.65 | 234 | -0.5853 | 0.2593 | 0.0322 |
| 0.65 | 246 | -0.3892 | 0.2645 | 0.031 |
| 0.65 | 258 | 0.7368 | 0.2025 | 0.0334 |
| 0.75 | 114 | 0.6319 | 0.234 | 0.0326 |
| 0.75 | 126 | 0.012 | 0.2973 | 0.03 |
| 0.75 | 138 | 0.0642 | 0.3266 | 0.03 |
| 0.75 | 162 | 0.1094 | 0.3695 | 0.0301 |
| 0.75 | 222 | 0.1736 | 0.2849 | 0.0302 |
| 0.75 | 234 | 0.48 | 0.2769 | 0.0315 |
| 0.75 | 246 | -0.4749 | 0.2159 | 0.0315 |
| 0.75 | 258 | 0.0015 | 0.2869 | 0.03 |
| 0.75 | 270 | -0.0158 | 0.3249 | 0.03 |
| 0.85 | 114 | 0.166 | 0.3112 | 0.0302 |
| 0.85 | 126 | 0.4197 | 0.2311 | 0.0312 |
| 0.85 | 138 | 0.0568 | 0.3471 | 0.03 |
| 0.85 | 150 | 0.1262 | 0.3154 | 0.0301 |
| 0.85 | 162 | 0.6123 | 0.2614 | 0.0324 |
| 0.85 | 222 | 0.0487 | 0.3816 | 0.03 |
| 0.85 | 234 | 0.4041 | 0.2432 | 0.0311 |
| 0.85 | 246 | 0.1575 | 0.2941 | 0.0302 |
| 0.85 | 258 | 0.0192 | 0.2559 | 0.03 |
| 0.85 | 270 | -0.3284 | 0.3183 | 0.0307 |
| 0.85 | 282 | 0.0481 | 0.3215 | 0.03 |
| 0.95 | 78 | 0.072 | 0.3319 | 0.03 |
| 0.95 | 90 | -0.7589 | 0.1933 | 0.0336 |
| 0.95 | 102 | -0.4747 | 0.2822 | 0.0315 |
| 0.95 | 234 | -0.1734 | 0.3884 | 0.0302 |
| 0.95 | 246 | -0.0307 | 0.3364 | 0.03 |
| 0.95 | 258 | 0.3549 | 0.2938 | 0.0308 |
| 0.95 | 270 | 0.093 | 0.3018 | 0.0301 |
| 0.95 | 282 | 0.0365 | 0.271 | 0.03 |
| 0.55 | 234 | 0.3457 | 0.27 | 0.0308 |
| 0.55 | 246 | -0.2533 | 0.2425 | 0.0304 |
| 0.55 | 258 | 0.0643 | 0.2592 | 0.03 |
| 0.65 | 114 | 0.0594 | 0.2825 | 0.03 |
| 0.65 | 126 | -0.0426 | 0.2307 | 0.03 |
| 0.65 | 138 | -0.4991 | 0.2602 | 0.0316 |
| 0.65 | 222 | -0.1759 | 0.2691 | 0.0302 |
| 0.65 | 234 | -0.2478 | 0.2276 | 0.0304 |
| 0.65 | 246 | 0.2992 | 0.1992 | 0.0306 |
| 0.65 | 258 | -0.129 | 0.1964 | 0.0301 |
| 0.65 | 270 | -0.1052 | 0.2371 | 0.0301 |
| 0.75 | 114 | 0.3587 | 0.2222 | 0.0308 |
| 0.75 | 126 | 0.1975 | 0.2236 | 0.0303 |
| 0.75 | 138 | 0.2557 | 0.2168 | 0.0304 |
| 0.75 | 150 | -0.1273 | 0.2935 | 0.0301 |
| 0.75 | 162 | -0.0107 | 0.2497 | 0.03 |
| 0.75 | 222 | -0.1493 | 0.197 | 0.0301 |
| 0.75 | 234 | -0.0757 | 0.207 | 0.03 |
| 0.75 | 246 | -0.0312 | 0.1837 | 0.03 |
| 0.75 | 258 | -0.0088 | 0.2137 | 0.03 |
| 0.75 | 270 | -0.0649 | 0.2342 | 0.03 |
| 0.85 | 114 | 0.074 | 0.2331 | 0.03 |
| 0.85 | 126 | 0.1824 | 0.1872 | 0.0302 |
| 0.85 | 138 | 0.1046 | 0.2072 | 0.0301 |
| 0.85 | 150 | 0.0808 | 0.2403 | 0.03 |
| 0.85 | 222 | 0.0156 | 0.274 | 0.03 |
| 0.85 | 234 | -0.1698 | 0.2063 | 0.0302 |
| 0.85 | 246 | 0.0156 | 0.1956 | 0.03 |
| 0.85 | 258 | -0.0772 | 0.1696 | 0.03 |
| 0.85 | 270 | 0.1229 | 0.2101 | 0.0301 |
| 0.85 | 282 | -0.0765 | 0.2207 | 0.03 |
| 0.95 | 90 | 0.0095 | 0.2137 | 0.03 |
| 0.95 | 102 | 0.1777 | 0.206 | 0.0302 |
| 0.95 | 114 | -0.1369 | 0.2483 | 0.0301 |
| 0.95 | 234 | -0.065 | 0.2545 | 0.03 |
| 0.95 | 246 | -0.0646 | 0.2298 | 0.03 |
| 0.95 | 258 | -0.0682 | 0.2015 | 0.03 |
| 0.95 | 270 | -0.0309 | 0.1773 | 0.03 |
| 0.95 | 282 | 0.0162 | 0.2224 | 0.03 |