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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 : | 0.0348 GeV2 | |
|---|---|---|
| W : | 1295 GeV | |
| ε : | 0.9115 | |
| Ebeam : | 1.3383 GeV | |
| εL: | 0.1616 |
|
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 |
|---|---|---|---|---|
| 0.15 | 42 | 0.7851 | 0.1306 | 0.0339 |
| 0.25 | 42 | -0.1236 | 0.3207 | 0.0301 |
| 0.35 | 30 | 0.3053 | 0.3891 | 0.0306 |
| 0.35 | 54 | 0.3185 | 0.3851 | 0.0307 |
| 0.45 | 30 | 0.7589 | 0.2009 | 0.0336 |
| 0.55 | 234 | -0.5305 | 0.2817 | 0.0318 |
| 0.55 | 246 | -0.3336 | 0.2797 | 0.0307 |
| 0.55 | 258 | 0.1411 | 0.2831 | 0.0301 |
| 0.55 | 270 | 0.2314 | 0.2616 | 0.0304 |
| 0.65 | 114 | -0.2495 | 0.3178 | 0.0304 |
| 0.65 | 138 | 0.6998 | 0.2015 | 0.0331 |
| 0.65 | 222 | 0.5491 | 0.2611 | 0.0319 |
| 0.65 | 234 | -0.4508 | 0.2224 | 0.0313 |
| 0.65 | 246 | 0.0394 | 0.2423 | 0.03 |
| 0.65 | 258 | 0.3466 | 0.1889 | 0.0308 |
| 0.65 | 270 | -0.2784 | 0.2229 | 0.0305 |
| 0.65 | 282 | -0.6458 | 0.2447 | 0.0327 |
| 0.75 | 114 | -0.6158 | 0.2767 | 0.0324 |
| 0.75 | 126 | -0.0128 | 0.2754 | 0.03 |
| 0.75 | 138 | 0.0443 | 0.2793 | 0.03 |
| 0.75 | 150 | 0.1708 | 0.2765 | 0.0302 |
| 0.75 | 162 | 0.3765 | 0.2426 | 0.0309 |
| 0.75 | 174 | 0.2661 | 0.3328 | 0.0305 |
| 0.75 | 186 | -0.1075 | 0.3682 | 0.0301 |
| 0.75 | 210 | -0.294 | 0.3281 | 0.0306 |
| 0.75 | 222 | -0.0724 | 0.2952 | 0.03 |
| 0.75 | 234 | -0.2719 | 0.2218 | 0.0305 |
| 0.75 | 246 | 0.2115 | 0.1813 | 0.0303 |
| 0.75 | 258 | 0.3566 | 0.1947 | 0.0308 |
| 0.75 | 270 | -0.5151 | 0.2107 | 0.0317 |
| 0.75 | 282 | 0.4863 | 0.2698 | 0.0315 |
| 0.85 | 114 | 0.2069 | 0.2906 | 0.0303 |
| 0.85 | 126 | 0.1994 | 0.2646 | 0.0303 |
| 0.85 | 138 | 0.1914 | 0.2442 | 0.0302 |
| 0.85 | 150 | -0.3174 | 0.2403 | 0.0307 |
| 0.85 | 162 | -0.2432 | 0.2754 | 0.0304 |
| 0.85 | 174 | 0.2736 | 0.3183 | 0.0305 |
| 0.85 | 186 | -0.569 | 0.2504 | 0.0321 |
| 0.85 | 198 | -0.6833 | 0.2314 | 0.033 |
| 0.85 | 210 | -0.1623 | 0.3941 | 0.0302 |
| 0.85 | 222 | -0.1039 | 0.2958 | 0.0301 |
| 0.85 | 234 | -0.1332 | 0.2414 | 0.0301 |
| 0.85 | 246 | -0.1927 | 0.1997 | 0.0302 |
| 0.85 | 258 | -0.412 | 0.1707 | 0.0311 |
| 0.85 | 270 | -0.1883 | 0.2235 | 0.0302 |
| 0.85 | 282 | 0.1151 | 0.3404 | 0.0301 |
| 0.95 | 114 | -0.8129 | 0.1931 | 0.0341 |
| 0.95 | 126 | -0.2612 | 0.3422 | 0.0305 |
| 0.95 | 162 | -0.131 | 0.3955 | 0.0301 |
| 0.95 | 210 | 0.0977 | 0.3347 | 0.0301 |
| 0.95 | 234 | 0.5084 | 0.2705 | 0.0317 |
| 0.95 | 246 | -0.3498 | 0.3071 | 0.0308 |
| 0.95 | 258 | -0.2436 | 0.3027 | 0.0304 |
| 0.95 | 270 | 0.0245 | 0.341 | 0.03 |
| 0.15 | 54 | -0.2131 | 0.2535 | 0.0303 |
| 0.25 | 42 | -0.0754 | 0.2027 | 0.03 |
| 0.25 | 54 | -0.2212 | 0.225 | 0.0303 |
| 0.35 | 42 | 0.3025 | 0.2463 | 0.0306 |
| 0.35 | 54 | 0.0504 | 0.2712 | 0.03 |
| 0.45 | 30 | 0.2267 | 0.2613 | 0.0303 |
| 0.45 | 270 | -0.1897 | 0.2426 | 0.0302 |
| 0.55 | 246 | -0.1937 | 0.1805 | 0.0302 |
| 0.55 | 258 | -0.0821 | 0.1976 | 0.03 |
| 0.55 | 270 | -0.2473 | 0.1906 | 0.0304 |
| 0.65 | 126 | -0.1812 | 0.2411 | 0.0302 |
| 0.65 | 138 | 0.2165 | 0.2082 | 0.0303 |
| 0.65 | 222 | 0.0232 | 0.2119 | 0.03 |
| 0.65 | 234 | 0.2641 | 0.1828 | 0.0305 |
| 0.65 | 246 | -0.0314 | 0.1513 | 0.03 |
| 0.65 | 258 | -0.1445 | 0.1394 | 0.0301 |
| 0.65 | 270 | 0.0841 | 0.1576 | 0.03 |
| 0.65 | 282 | 0.0571 | 0.2807 | 0.03 |
| 0.75 | 114 | 0.126 | 0.2389 | 0.0301 |
| 0.75 | 126 | 0.1477 | 0.1823 | 0.0301 |
| 0.75 | 138 | -0.1251 | 0.1812 | 0.0301 |
| 0.75 | 150 | 0.1206 | 0.1778 | 0.0301 |
| 0.75 | 162 | 0.2347 | 0.2255 | 0.0304 |
| 0.75 | 174 | -0.4582 | 0.2294 | 0.0314 |
| 0.75 | 222 | -0.0578 | 0.2007 | 0.03 |
| 0.75 | 234 | 0.1495 | 0.1505 | 0.0301 |
| 0.75 | 246 | 0.0025 | 0.1403 | 0.03 |
| 0.75 | 258 | 0.0964 | 0.1464 | 0.0301 |
| 0.75 | 270 | -0.0723 | 0.1569 | 0.03 |
| 0.75 | 282 | -0.1463 | 0.2615 | 0.0301 |
| 0.85 | 114 | 0.0173 | 0.2479 | 0.03 |
| 0.85 | 126 | 0.0643 | 0.1809 | 0.03 |
| 0.85 | 138 | -0.1655 | 0.1634 | 0.0302 |
| 0.85 | 150 | 0.2839 | 0.211 | 0.0305 |
| 0.85 | 162 | -0.1124 | 0.19 | 0.0301 |
| 0.85 | 174 | 0.0418 | 0.1928 | 0.03 |
| 0.85 | 186 | -0.0559 | 0.2518 | 0.03 |
| 0.85 | 198 | -0.0544 | 0.2638 | 0.03 |
| 0.85 | 210 | 0.1735 | 0.2484 | 0.0302 |
| 0.85 | 222 | -0.3201 | 0.1997 | 0.0307 |
| 0.85 | 234 | 0.0129 | 0.1861 | 0.03 |
| 0.85 | 246 | 0.0235 | 0.1384 | 0.03 |
| 0.85 | 258 | -0.0104 | 0.1353 | 0.03 |
| 0.85 | 270 | -0.0717 | 0.1487 | 0.03 |
| 0.85 | 282 | -0.1067 | 0.2448 | 0.0301 |
| 0.95 | 114 | -0.1859 | 0.2352 | 0.0302 |
| 0.95 | 126 | 0.1931 | 0.2499 | 0.0302 |
| 0.95 | 150 | -0.0097 | 0.2736 | 0.03 |
| 0.95 | 222 | 0.0175 | 0.2725 | 0.03 |
| 0.95 | 234 | 0.2776 | 0.2519 | 0.0305 |
| 0.95 | 246 | -0.0792 | 0.2724 | 0.03 |
| 0.95 | 258 | -0.002 | 0.2244 | 0.03 |
| 0.95 | 270 | -0.1351 | 0.2796 | 0.0301 |