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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 : | 1445 GeV | |
| ε : | 0.9566 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.2301 |
|
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 |
|---|---|---|---|---|
| 0.05 | 54 | 0.0239 | 0.2686 | 0.03 |
| 0.15 | 54 | -0.2208 | 0.2013 | 0.0303 |
| 0.15 | 66 | -0.1578 | 0.1831 | 0.0302 |
| 0.15 | 294 | -0.0891 | 0.1807 | 0.0301 |
| 0.15 | 306 | -0.1979 | 0.2072 | 0.0303 |
| 0.25 | 54 | -0.063 | 0.1816 | 0.03 |
| 0.25 | 66 | -0.0756 | 0.1495 | 0.03 |
| 0.25 | 78 | -0.1171 | 0.2049 | 0.0301 |
| 0.25 | 282 | 0.2956 | 0.1911 | 0.0306 |
| 0.25 | 294 | -0.4874 | 0.1532 | 0.0315 |
| 0.25 | 306 | 0.0585 | 0.2313 | 0.03 |
| 0.35 | 54 | -0.3668 | 0.205 | 0.0309 |
| 0.35 | 66 | -0.1515 | 0.14 | 0.0302 |
| 0.35 | 78 | 0.0688 | 0.1775 | 0.03 |
| 0.35 | 90 | 0.2056 | 0.2895 | 0.0303 |
| 0.35 | 270 | 0.3093 | 0.202 | 0.0306 |
| 0.35 | 282 | 0.0738 | 0.1526 | 0.03 |
| 0.35 | 294 | -0.008 | 0.143 | 0.03 |
| 0.35 | 306 | 0.0491 | 0.1883 | 0.03 |
| 0.45 | 54 | -0.2952 | 0.2225 | 0.0306 |
| 0.45 | 66 | -0.3328 | 0.1465 | 0.0307 |
| 0.45 | 78 | 0.0255 | 0.181 | 0.03 |
| 0.45 | 90 | -0.0461 | 0.2155 | 0.03 |
| 0.45 | 102 | -0.1478 | 0.2341 | 0.0301 |
| 0.45 | 270 | -0.0395 | 0.1888 | 0.03 |
| 0.45 | 282 | -0.1102 | 0.1404 | 0.0301 |
| 0.45 | 294 | 0.089 | 0.1493 | 0.0301 |
| 0.55 | 54 | 0.0363 | 0.1981 | 0.03 |
| 0.55 | 66 | 0.0307 | 0.1655 | 0.03 |
| 0.55 | 78 | 0.0293 | 0.2195 | 0.03 |
| 0.55 | 90 | -0.1186 | 0.2159 | 0.0301 |
| 0.55 | 102 | -0.1569 | 0.1793 | 0.0302 |
| 0.55 | 114 | 0.1548 | 0.1673 | 0.0302 |
| 0.55 | 246 | 0.0776 | 0.2535 | 0.03 |
| 0.55 | 258 | -0.1523 | 0.2155 | 0.0302 |
| 0.55 | 270 | -0.0877 | 0.2018 | 0.0301 |
| 0.55 | 282 | -0.0931 | 0.1501 | 0.0301 |
| 0.55 | 294 | -0.2836 | 0.1796 | 0.0305 |
| 0.55 | 306 | 0.3406 | 0.1777 | 0.0308 |
| 0.65 | 54 | 0.1171 | 0.2001 | 0.0301 |
| 0.65 | 66 | 0.222 | 0.2162 | 0.0303 |
| 0.65 | 78 | 0.0743 | 0.1928 | 0.03 |
| 0.65 | 90 | 0.1983 | 0.1369 | 0.0303 |
| 0.65 | 102 | -0.0616 | 0.1192 | 0.03 |
| 0.65 | 114 | -0.0002 | 0.1167 | 0.03 |
| 0.65 | 126 | 0.2695 | 0.1497 | 0.0305 |
| 0.65 | 138 | -0.177 | 0.2009 | 0.0302 |
| 0.65 | 210 | -0.5384 | 0.2086 | 0.0319 |
| 0.65 | 222 | -0.3445 | 0.2103 | 0.0308 |
| 0.65 | 234 | -0.0743 | 0.1686 | 0.03 |
| 0.65 | 246 | 0.0037 | 0.1345 | 0.03 |
| 0.65 | 258 | 0.0597 | 0.1645 | 0.03 |
| 0.65 | 270 | 0.2019 | 0.1708 | 0.0303 |
| 0.65 | 282 | 0.2195 | 0.1807 | 0.0303 |
| 0.65 | 294 | -0.1238 | 0.242 | 0.0301 |
| 0.65 | 306 | -0.0314 | 0.1882 | 0.03 |
| 0.75 | 78 | -0.176 | 0.2128 | 0.0302 |
| 0.75 | 90 | 0.0763 | 0.1167 | 0.03 |
| 0.75 | 102 | 0.0267 | 0.1125 | 0.03 |
| 0.75 | 114 | 0.0305 | 0.1153 | 0.03 |
| 0.75 | 126 | -0.0684 | 0.13 | 0.03 |
| 0.75 | 138 | 0.0338 | 0.1467 | 0.03 |
| 0.75 | 150 | 0.0379 | 0.2583 | 0.03 |
| 0.75 | 186 | -0.1299 | 0.2533 | 0.0301 |
| 0.75 | 198 | 0.0788 | 0.2151 | 0.03 |
| 0.75 | 210 | -0.0362 | 0.1691 | 0.03 |
| 0.75 | 222 | -0.0069 | 0.157 | 0.03 |
| 0.75 | 234 | -0.0709 | 0.1377 | 0.03 |
| 0.75 | 246 | 0.0035 | 0.1303 | 0.03 |
| 0.75 | 258 | 0.1532 | 0.1365 | 0.0302 |
| 0.75 | 270 | 0.3903 | 0.1665 | 0.031 |
| 0.75 | 282 | -0.3242 | 0.2606 | 0.0307 |
| 0.75 | 294 | -0.0645 | 0.1795 | 0.03 |
| 0.85 | 66 | -0.2569 | 0.213 | 0.0304 |
| 0.85 | 78 | -0.1282 | 0.1362 | 0.0301 |
| 0.85 | 90 | 0.2604 | 0.1807 | 0.0304 |
| 0.85 | 102 | 0.0632 | 0.1404 | 0.03 |
| 0.85 | 114 | 0.3226 | 0.1224 | 0.0307 |
| 0.85 | 126 | 0.1125 | 0.1337 | 0.0301 |
| 0.85 | 138 | -0.0251 | 0.1534 | 0.03 |
| 0.85 | 150 | -0.0684 | 0.2017 | 0.03 |
| 0.85 | 162 | 0.2288 | 0.263 | 0.0303 |
| 0.85 | 186 | 0.0733 | 0.2559 | 0.03 |
| 0.85 | 198 | -0.0976 | 0.189 | 0.0301 |
| 0.85 | 210 | 0.32 | 0.1506 | 0.0307 |
| 0.85 | 222 | 0.0756 | 0.1657 | 0.03 |
| 0.85 | 234 | -0.1408 | 0.1155 | 0.0301 |
| 0.85 | 246 | -0.1567 | 0.1042 | 0.0302 |
| 0.85 | 258 | -0.0651 | 0.1128 | 0.03 |
| 0.85 | 270 | 0.2302 | 0.1305 | 0.0304 |
| 0.85 | 282 | 0.1432 | 0.1675 | 0.0301 |
| 0.85 | 294 | -0.2043 | 0.2292 | 0.0303 |
| 0.95 | 78 | -0.0623 | 0.2007 | 0.03 |
| 0.95 | 90 | 0.0191 | 0.1975 | 0.03 |
| 0.95 | 102 | 0.1251 | 0.2296 | 0.0301 |
| 0.95 | 114 | 0.1166 | 0.2856 | 0.0301 |
| 0.95 | 126 | -0.1304 | 0.2315 | 0.0301 |
| 0.95 | 138 | -0.3798 | 0.2193 | 0.0309 |
| 0.95 | 150 | 0.0657 | 0.2813 | 0.03 |
| 0.95 | 186 | -0.0275 | 0.2756 | 0.03 |
| 0.95 | 198 | -0.3921 | 0.1729 | 0.031 |
| 0.95 | 210 | 0.0147 | 0.2025 | 0.03 |
| 0.95 | 222 | 0.01 | 0.17 | 0.03 |
| 0.95 | 234 | -0.0663 | 0.158 | 0.03 |
| 0.95 | 246 | -0.22 | 0.1332 | 0.0303 |
| 0.95 | 258 | 0.0382 | 0.1334 | 0.03 |
| 0.95 | 270 | 0.0521 | 0.1379 | 0.03 |
| 0.95 | 282 | 0.1005 | 0.14 | 0.0301 |
| 0.95 | 294 | 0.0758 | 0.2508 | 0.03 |