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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 : | 1355 GeV | |
| ε : | 0.9439 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.3459 |
|
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 | -0.2101 | 0.2422 | 0.0303 |
| 0.25 | 294 | -0.4372 | 0.2405 | 0.0312 |
| 0.25 | 306 | -0.4133 | 0.2429 | 0.0311 |
| 0.35 | 66 | 0.1507 | 0.2447 | 0.0302 |
| 0.35 | 78 | -0.2498 | 0.2339 | 0.0304 |
| 0.35 | 294 | -0.3936 | 0.1887 | 0.031 |
| 0.35 | 306 | 0.0771 | 0.2359 | 0.03 |
| 0.45 | 66 | -0.0513 | 0.2543 | 0.03 |
| 0.45 | 78 | -0.1058 | 0.207 | 0.0301 |
| 0.45 | 294 | -0.2673 | 0.223 | 0.0305 |
| 0.55 | 78 | -0.0182 | 0.2579 | 0.03 |
| 0.65 | 78 | 0.4529 | 0.2347 | 0.0313 |
| 0.65 | 90 | -0.0856 | 0.2602 | 0.03 |
| 0.65 | 102 | 0.1153 | 0.2232 | 0.0301 |
| 0.65 | 114 | 0.1601 | 0.2055 | 0.0302 |
| 0.65 | 258 | 0.0668 | 0.1963 | 0.03 |
| 0.65 | 270 | -0.2031 | 0.2183 | 0.0303 |
| 0.75 | 90 | 0.0745 | 0.215 | 0.03 |
| 0.75 | 102 | 0.1813 | 0.2026 | 0.0302 |
| 0.75 | 114 | -0.0104 | 0.1829 | 0.03 |
| 0.75 | 126 | -0.1628 | 0.2222 | 0.0302 |
| 0.75 | 138 | -0.1203 | 0.2366 | 0.0301 |
| 0.75 | 234 | -0.1032 | 0.2212 | 0.0301 |
| 0.75 | 246 | -0.3892 | 0.1924 | 0.031 |
| 0.75 | 258 | -0.1199 | 0.194 | 0.0301 |
| 0.75 | 270 | -0.2193 | 0.1969 | 0.0303 |
| 0.75 | 282 | 0.5438 | 0.2115 | 0.0319 |
| 0.85 | 90 | -0.0032 | 0.2557 | 0.03 |
| 0.85 | 102 | 0.2646 | 0.1747 | 0.0305 |
| 0.85 | 114 | -0.2465 | 0.2066 | 0.0304 |
| 0.85 | 126 | -0.126 | 0.1789 | 0.0301 |
| 0.85 | 138 | -0.2531 | 0.2235 | 0.0304 |
| 0.85 | 222 | -0.6001 | 0.2243 | 0.0323 |
| 0.85 | 234 | -0.2045 | 0.1934 | 0.0303 |
| 0.85 | 246 | 0.1987 | 0.1767 | 0.0303 |
| 0.85 | 258 | -0.0177 | 0.194 | 0.03 |
| 0.85 | 270 | -0.0826 | 0.1733 | 0.03 |
| 0.85 | 282 | 0.0878 | 0.1907 | 0.0301 |
| 0.95 | 114 | 0.0025 | 0.2556 | 0.03 |
| 0.95 | 138 | 0.1295 | 0.2492 | 0.0301 |
| 0.95 | 222 | -0.0249 | 0.2333 | 0.03 |
| 0.95 | 234 | -0.2559 | 0.2587 | 0.0304 |
| 0.95 | 246 | -0.2205 | 0.1916 | 0.0303 |
| 0.95 | 258 | -0.1018 | 0.2279 | 0.0301 |
| 0.95 | 270 | -0.0755 | 0.1983 | 0.03 |
| 0.95 | 282 | -0.0287 | 0.253 | 0.03 |
| 0.15 | 66 | 0.2327 | 0.2299 | 0.0304 |
| 0.15 | 306 | -0.431 | 0.2252 | 0.0312 |
| 0.25 | 66 | -0.4073 | 0.2258 | 0.0311 |
| 0.25 | 306 | 0.2577 | 0.2264 | 0.0304 |
| 0.35 | 66 | -0.301 | 0.1997 | 0.0306 |
| 0.35 | 78 | -0.094 | 0.2229 | 0.0301 |
| 0.35 | 294 | 0.1745 | 0.2333 | 0.0302 |
| 0.35 | 306 | 0.1478 | 0.2499 | 0.0301 |
| 0.45 | 66 | -0.0979 | 0.2115 | 0.0301 |
| 0.45 | 78 | 0.1504 | 0.1925 | 0.0302 |
| 0.45 | 282 | 0.2495 | 0.2512 | 0.0304 |
| 0.45 | 294 | -0.3987 | 0.2282 | 0.031 |
| 0.55 | 78 | 0.2585 | 0.2421 | 0.0304 |
| 0.55 | 270 | 0.455 | 0.2382 | 0.0314 |
| 0.65 | 102 | 0.1234 | 0.2311 | 0.0301 |
| 0.65 | 114 | -0.135 | 0.2246 | 0.0301 |
| 0.65 | 246 | -0.3269 | 0.2183 | 0.0307 |
| 0.65 | 258 | -0.0799 | 0.2297 | 0.03 |
| 0.65 | 270 | -0.0253 | 0.2312 | 0.03 |
| 0.75 | 90 | 0.0509 | 0.2137 | 0.03 |
| 0.75 | 102 | 0.0046 | 0.1667 | 0.03 |
| 0.75 | 114 | 0.0233 | 0.172 | 0.03 |
| 0.75 | 126 | 0.1347 | 0.1954 | 0.0301 |
| 0.75 | 222 | -0.0258 | 0.215 | 0.03 |
| 0.75 | 234 | 0.0814 | 0.1887 | 0.03 |
| 0.75 | 246 | 0.1305 | 0.1801 | 0.0301 |
| 0.75 | 258 | -0.1191 | 0.1896 | 0.0301 |
| 0.75 | 270 | -0.0994 | 0.1894 | 0.0301 |
| 0.75 | 282 | -0.1464 | 0.2388 | 0.0301 |
| 0.85 | 78 | -0.0588 | 0.2634 | 0.03 |
| 0.85 | 90 | -0.0927 | 0.2547 | 0.0301 |
| 0.85 | 102 | 0.1109 | 0.1731 | 0.0301 |
| 0.85 | 114 | 0.1605 | 0.1569 | 0.0302 |
| 0.85 | 126 | 0.2026 | 0.1979 | 0.0303 |
| 0.85 | 138 | 0.1678 | 0.1902 | 0.0302 |
| 0.85 | 222 | -0.2231 | 0.2257 | 0.0303 |
| 0.85 | 234 | 0.2843 | 0.1777 | 0.0305 |
| 0.85 | 246 | -0.0234 | 0.1646 | 0.03 |
| 0.85 | 258 | -0.2267 | 0.1689 | 0.0303 |
| 0.85 | 270 | -0.2609 | 0.1521 | 0.0305 |
| 0.85 | 282 | 0.035 | 0.1706 | 0.03 |
| 0.95 | 102 | -0.1868 | 0.2537 | 0.0302 |
| 0.95 | 126 | 0.397 | 0.2195 | 0.031 |
| 0.95 | 138 | 0.0079 | 0.2118 | 0.03 |
| 0.95 | 150 | 0.0392 | 0.2437 | 0.03 |
| 0.95 | 222 | -0.2642 | 0.2316 | 0.0305 |
| 0.95 | 234 | -0.0632 | 0.2315 | 0.03 |
| 0.95 | 246 | 0.4641 | 0.2041 | 0.0314 |
| 0.95 | 258 | -0.18 | 0.2182 | 0.0302 |
| 0.95 | 270 | -0.0439 | 0.2019 | 0.03 |
| 0.95 | 282 | -0.0806 | 0.2403 | 0.03 |