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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 : | 0.0415 GeV2 | |
|---|---|---|
| W : | 1415 GeV | |
| ε : | 0.9272 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1002 |
|
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 | 30 | 0.3279 | 0.2506 | 0.0307 |
| 0.15 | 42 | 0.0906 | 0.2977 | 0.0301 |
| 0.15 | 330 | 0.1361 | 0.2643 | 0.0301 |
| 0.25 | 30 | -0.4153 | 0.2106 | 0.0311 |
| 0.25 | 54 | 0.489 | 0.2103 | 0.0316 |
| 0.25 | 66 | -0.2369 | 0.1901 | 0.0304 |
| 0.25 | 78 | 0.4873 | 0.1768 | 0.0315 |
| 0.25 | 282 | -0.6254 | 0.2213 | 0.0325 |
| 0.25 | 294 | -0.2442 | 0.2186 | 0.0304 |
| 0.25 | 306 | -0.4135 | 0.2053 | 0.0311 |
| 0.25 | 330 | -0.2027 | 0.2652 | 0.0303 |
| 0.35 | 18 | 0.1947 | 0.2546 | 0.0303 |
| 0.35 | 54 | -0.0138 | 0.226 | 0.03 |
| 0.35 | 66 | 0.246 | 0.15 | 0.0304 |
| 0.35 | 78 | -0.0532 | 0.1397 | 0.03 |
| 0.35 | 90 | 0.4231 | 0.1843 | 0.0312 |
| 0.35 | 270 | -0.0087 | 0.1861 | 0.03 |
| 0.35 | 282 | -0.1437 | 0.1708 | 0.0301 |
| 0.35 | 294 | -0.0562 | 0.1512 | 0.03 |
| 0.35 | 306 | 0.1928 | 0.235 | 0.0302 |
| 0.35 | 318 | -0.6177 | 0.2048 | 0.0324 |
| 0.45 | 18 | -0.2651 | 0.249 | 0.0305 |
| 0.45 | 66 | 0.1766 | 0.1435 | 0.0302 |
| 0.45 | 78 | 0.0135 | 0.1355 | 0.03 |
| 0.45 | 90 | -0.0424 | 0.1435 | 0.03 |
| 0.45 | 102 | 0.0879 | 0.2619 | 0.0301 |
| 0.45 | 258 | 0.2401 | 0.2567 | 0.0304 |
| 0.45 | 270 | 0.0202 | 0.1623 | 0.03 |
| 0.45 | 282 | -0.0273 | 0.1258 | 0.03 |
| 0.45 | 294 | 0.0724 | 0.1391 | 0.03 |
| 0.45 | 306 | -0.3721 | 0.2184 | 0.0309 |
| 0.45 | 318 | 0.6951 | 0.1895 | 0.0331 |
| 0.55 | 66 | -0.1102 | 0.1873 | 0.0301 |
| 0.55 | 78 | 0.3808 | 0.1161 | 0.031 |
| 0.55 | 90 | 0.0446 | 0.1485 | 0.03 |
| 0.55 | 102 | 0.0623 | 0.1924 | 0.03 |
| 0.55 | 114 | 0.1459 | 0.1936 | 0.0301 |
| 0.55 | 126 | 0.299 | 0.1796 | 0.0306 |
| 0.55 | 138 | -0.0351 | 0.2262 | 0.03 |
| 0.55 | 222 | -0.3186 | 0.2246 | 0.0307 |
| 0.55 | 234 | 0.3068 | 0.2038 | 0.0306 |
| 0.55 | 246 | 0.0616 | 0.223 | 0.03 |
| 0.55 | 258 | -0.1294 | 0.1893 | 0.0301 |
| 0.55 | 270 | -0.1294 | 0.1427 | 0.0301 |
| 0.55 | 282 | 0.1395 | 0.1352 | 0.0301 |
| 0.55 | 294 | -0.1436 | 0.1696 | 0.0301 |
| 0.65 | 66 | -0.2069 | 0.2019 | 0.0303 |
| 0.65 | 78 | -0.051 | 0.1717 | 0.03 |
| 0.65 | 90 | -0.1278 | 0.1989 | 0.0301 |
| 0.65 | 102 | -0.2269 | 0.1774 | 0.0303 |
| 0.65 | 114 | 0.1584 | 0.1401 | 0.0302 |
| 0.65 | 126 | -0.134 | 0.1305 | 0.0301 |
| 0.65 | 138 | -0.1017 | 0.1728 | 0.0301 |
| 0.65 | 150 | -0.5003 | 0.189 | 0.0316 |
| 0.65 | 198 | 0.4724 | 0.1958 | 0.0315 |
| 0.65 | 210 | -0.0658 | 0.1736 | 0.03 |
| 0.65 | 222 | -0.0726 | 0.1564 | 0.03 |
| 0.65 | 234 | 0.1841 | 0.1769 | 0.0302 |
| 0.65 | 246 | 0.042 | 0.1727 | 0.03 |
| 0.65 | 258 | -0.1761 | 0.1493 | 0.0302 |
| 0.65 | 270 | -0.1759 | 0.1818 | 0.0302 |
| 0.65 | 282 | -0.0222 | 0.1921 | 0.03 |
| 0.65 | 294 | -0.077 | 0.1744 | 0.03 |
| 0.65 | 306 | -0.4314 | 0.1785 | 0.0312 |
| 0.75 | 78 | 0.4349 | 0.1729 | 0.0312 |
| 0.75 | 102 | 0.222 | 0.1699 | 0.0303 |
| 0.75 | 114 | 0.052 | 0.1471 | 0.03 |
| 0.75 | 126 | -0.0017 | 0.1432 | 0.03 |
| 0.75 | 138 | -0.1076 | 0.1528 | 0.0301 |
| 0.75 | 150 | -0.2527 | 0.161 | 0.0304 |
| 0.75 | 162 | 0.2402 | 0.2773 | 0.0304 |
| 0.75 | 198 | -0.069 | 0.2522 | 0.03 |
| 0.75 | 210 | 0.0223 | 0.1679 | 0.03 |
| 0.75 | 222 | 0.1136 | 0.1413 | 0.0301 |
| 0.75 | 234 | -0.0679 | 0.1248 | 0.03 |
| 0.75 | 246 | -0.1402 | 0.1462 | 0.0301 |
| 0.75 | 258 | -0.0672 | 0.1978 | 0.03 |
| 0.75 | 270 | 0.4459 | 0.2142 | 0.0313 |
| 0.75 | 282 | 0.082 | 0.1927 | 0.03 |
| 0.75 | 294 | -0.2725 | 0.2162 | 0.0305 |
| 0.85 | 90 | 0.152 | 0.2618 | 0.0302 |
| 0.85 | 102 | 0.2119 | 0.2194 | 0.0303 |
| 0.85 | 114 | 0.1736 | 0.2202 | 0.0302 |
| 0.85 | 126 | -0.1081 | 0.1875 | 0.0301 |
| 0.85 | 138 | 0.1791 | 0.1665 | 0.0302 |
| 0.85 | 150 | 0.2278 | 0.2632 | 0.0303 |
| 0.85 | 198 | 0.0766 | 0.2573 | 0.03 |
| 0.85 | 210 | -0.0674 | 0.1759 | 0.03 |
| 0.85 | 222 | -0.1114 | 0.1625 | 0.0301 |
| 0.85 | 234 | 0.0581 | 0.1516 | 0.03 |
| 0.85 | 246 | 0.0813 | 0.139 | 0.03 |
| 0.85 | 258 | -0.3555 | 0.1432 | 0.0308 |
| 0.85 | 270 | 0.4271 | 0.2205 | 0.0312 |
| 0.95 | 222 | -0.2088 | 0.2403 | 0.0303 |
| 0.95 | 234 | 0.0073 | 0.189 | 0.03 |
| 0.95 | 246 | -0.0803 | 0.2442 | 0.03 |