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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 : | 1535 GeV | |
| ε : | 0.864 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0765 |
|
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 | 54 | -0.0324 | 0.3108 | 0.03 |
| 0.25 | 66 | -0.2553 | 0.2208 | 0.0304 |
| 0.25 | 78 | 0.1172 | 0.2045 | 0.0301 |
| 0.25 | 282 | -0.2293 | 0.2275 | 0.0303 |
| 0.25 | 294 | -0.1748 | 0.2511 | 0.0302 |
| 0.25 | 306 | -0.4157 | 0.2351 | 0.0311 |
| 0.35 | 18 | -0.4655 | 0.229 | 0.0314 |
| 0.35 | 66 | -0.0801 | 0.1825 | 0.03 |
| 0.35 | 78 | 0.3121 | 0.1846 | 0.0306 |
| 0.35 | 90 | 0.1543 | 0.2223 | 0.0302 |
| 0.35 | 270 | 0.2977 | 0.1861 | 0.0306 |
| 0.35 | 282 | -0.2349 | 0.1837 | 0.0304 |
| 0.35 | 294 | -0.0771 | 0.204 | 0.03 |
| 0.35 | 306 | -0.1273 | 0.2401 | 0.0301 |
| 0.35 | 330 | -0.0264 | 0.2684 | 0.03 |
| 0.45 | 66 | -0.0101 | 0.2129 | 0.03 |
| 0.45 | 78 | -0.0997 | 0.2009 | 0.0301 |
| 0.45 | 90 | 0.1557 | 0.1839 | 0.0302 |
| 0.45 | 102 | 0.2431 | 0.2248 | 0.0304 |
| 0.45 | 114 | 0.2958 | 0.259 | 0.0306 |
| 0.45 | 126 | -0.2597 | 0.2063 | 0.0304 |
| 0.45 | 138 | 0.25 | 0.2389 | 0.0304 |
| 0.45 | 222 | 0.1736 | 0.2565 | 0.0302 |
| 0.45 | 258 | 0.342 | 0.2429 | 0.0308 |
| 0.45 | 270 | 0.003 | 0.1664 | 0.03 |
| 0.45 | 282 | 0.2512 | 0.1678 | 0.0304 |
| 0.45 | 294 | 0.1866 | 0.2175 | 0.0302 |
| 0.45 | 306 | 0.5175 | 0.2313 | 0.0317 |
| 0.45 | 318 | 0.4254 | 0.2557 | 0.0312 |
| 0.55 | 78 | 0.1278 | 0.1838 | 0.0301 |
| 0.55 | 90 | -0.1406 | 0.1893 | 0.0301 |
| 0.55 | 102 | 0.0742 | 0.2416 | 0.03 |
| 0.55 | 114 | -0.1702 | 0.1807 | 0.0302 |
| 0.55 | 126 | 0.1008 | 0.1935 | 0.0301 |
| 0.55 | 138 | -0.3453 | 0.189 | 0.0308 |
| 0.55 | 150 | 0.0634 | 0.226 | 0.03 |
| 0.55 | 210 | -0.1417 | 0.2233 | 0.0301 |
| 0.55 | 222 | 0.2396 | 0.2121 | 0.0304 |
| 0.55 | 234 | 0.5082 | 0.1697 | 0.0317 |
| 0.55 | 246 | 0.0567 | 0.2264 | 0.03 |
| 0.55 | 258 | 0.0939 | 0.1923 | 0.0301 |
| 0.55 | 270 | -0.2182 | 0.1445 | 0.0303 |
| 0.55 | 282 | -0.166 | 0.1756 | 0.0302 |
| 0.55 | 294 | -0.3632 | 0.2285 | 0.0309 |
| 0.65 | 54 | -0.4241 | 0.1903 | 0.0312 |
| 0.65 | 66 | -0.198 | 0.2001 | 0.0303 |
| 0.65 | 78 | -0.0352 | 0.2586 | 0.03 |
| 0.65 | 102 | -0.1992 | 0.2118 | 0.0303 |
| 0.65 | 114 | -0.155 | 0.1553 | 0.0302 |
| 0.65 | 126 | -0.0362 | 0.1761 | 0.03 |
| 0.65 | 138 | -0.1698 | 0.165 | 0.0302 |
| 0.65 | 150 | 0.0838 | 0.2366 | 0.03 |
| 0.65 | 198 | -0.344 | 0.2461 | 0.0308 |
| 0.65 | 210 | 0.1825 | 0.191 | 0.0302 |
| 0.65 | 222 | 0.1383 | 0.1729 | 0.0301 |
| 0.65 | 234 | 0.1278 | 0.1811 | 0.0301 |
| 0.65 | 246 | -0.3639 | 0.1903 | 0.0309 |
| 0.65 | 258 | -0.1298 | 0.2004 | 0.0301 |
| 0.65 | 270 | 0.0637 | 0.2382 | 0.03 |
| 0.65 | 282 | 0.279 | 0.2071 | 0.0305 |
| 0.65 | 294 | 0.2198 | 0.1985 | 0.0303 |
| 0.65 | 306 | 0.5733 | 0.1983 | 0.0321 |
| 0.75 | 66 | -0.3276 | 0.1872 | 0.0307 |
| 0.75 | 78 | -0.1427 | 0.2172 | 0.0301 |
| 0.75 | 102 | -0.4355 | 0.2172 | 0.0312 |
| 0.75 | 114 | 0.1267 | 0.1826 | 0.0301 |
| 0.75 | 126 | 0.018 | 0.157 | 0.03 |
| 0.75 | 138 | -0.0332 | 0.172 | 0.03 |
| 0.75 | 150 | -0.7626 | 0.1681 | 0.0337 |
| 0.75 | 186 | -0.4321 | 0.258 | 0.0312 |
| 0.75 | 198 | -0.1731 | 0.2065 | 0.0302 |
| 0.75 | 210 | -0.0684 | 0.1753 | 0.03 |
| 0.75 | 222 | -0.1302 | 0.1622 | 0.0301 |
| 0.75 | 234 | 0.378 | 0.1454 | 0.0309 |
| 0.75 | 246 | 0.1215 | 0.1522 | 0.0301 |
| 0.75 | 258 | -0.1475 | 0.2136 | 0.0301 |
| 0.75 | 270 | -0.2445 | 0.2235 | 0.0304 |
| 0.75 | 282 | -0.1082 | 0.1635 | 0.0301 |
| 0.75 | 294 | 0.0892 | 0.1944 | 0.0301 |
| 0.85 | 90 | 0.553 | 0.2324 | 0.032 |
| 0.85 | 102 | -0.2923 | 0.1971 | 0.0306 |
| 0.85 | 114 | 0.1723 | 0.1889 | 0.0302 |
| 0.85 | 126 | -0.3767 | 0.1869 | 0.0309 |
| 0.85 | 138 | -0.3509 | 0.2279 | 0.0308 |
| 0.85 | 198 | 0.1484 | 0.2283 | 0.0301 |
| 0.85 | 210 | -0.3287 | 0.1732 | 0.0307 |
| 0.85 | 222 | -0.0763 | 0.1666 | 0.03 |
| 0.85 | 234 | -0.0541 | 0.153 | 0.03 |
| 0.85 | 246 | 0.0389 | 0.1725 | 0.03 |
| 0.85 | 258 | -0.4155 | 0.2229 | 0.0311 |
| 0.85 | 282 | 0.2837 | 0.2245 | 0.0305 |
| 0.95 | 126 | 0.1601 | 0.2831 | 0.0302 |
| 0.95 | 198 | 0.0434 | 0.244 | 0.03 |
| 0.95 | 210 | 0.1463 | 0.2648 | 0.0301 |
| 0.95 | 222 | 0.0934 | 0.21 | 0.0301 |
| 0.95 | 234 | 0.067 | 0.1909 | 0.03 |
| 0.95 | 246 | -0.2614 | 0.2706 | 0.0305 |
| 0.95 | 258 | -0.3111 | 0.2481 | 0.0306 |