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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 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1355 GeV | |
| ε : | 0.9391 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.2221 |
|
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 | 306 | 0.1664 | 0.2161 | 0.0302 |
| 0.25 | 54 | 0.0743 | 0.2365 | 0.03 |
| 0.25 | 66 | -0.0798 | 0.2154 | 0.03 |
| 0.25 | 78 | 0.1435 | 0.2381 | 0.0301 |
| 0.25 | 294 | -0.2092 | 0.1707 | 0.0303 |
| 0.25 | 306 | 0.2443 | 0.1857 | 0.0304 |
| 0.25 | 318 | -0.0844 | 0.269 | 0.03 |
| 0.35 | 66 | 0.0482 | 0.1521 | 0.03 |
| 0.35 | 78 | -0.1615 | 0.1494 | 0.0302 |
| 0.35 | 90 | -0.2119 | 0.2248 | 0.0303 |
| 0.35 | 282 | -0.4023 | 0.1743 | 0.0311 |
| 0.35 | 294 | 0.2562 | 0.1538 | 0.0304 |
| 0.35 | 306 | 0.124 | 0.1736 | 0.0301 |
| 0.45 | 66 | -0.0204 | 0.151 | 0.03 |
| 0.45 | 78 | 0.2133 | 0.1261 | 0.0303 |
| 0.45 | 90 | -0.0857 | 0.1734 | 0.03 |
| 0.45 | 270 | 0.1424 | 0.259 | 0.0301 |
| 0.45 | 282 | -0.0876 | 0.1691 | 0.0301 |
| 0.45 | 294 | 0.0563 | 0.142 | 0.03 |
| 0.45 | 306 | 0.1936 | 0.2682 | 0.0302 |
| 0.55 | 66 | 0.1433 | 0.1705 | 0.0301 |
| 0.55 | 78 | -0.1211 | 0.1375 | 0.0301 |
| 0.55 | 90 | -0.2145 | 0.1673 | 0.0303 |
| 0.55 | 102 | 0.2102 | 0.2205 | 0.0303 |
| 0.55 | 114 | 0.3969 | 0.2374 | 0.031 |
| 0.55 | 246 | -0.4064 | 0.2607 | 0.0311 |
| 0.55 | 258 | 0.2819 | 0.1814 | 0.0305 |
| 0.55 | 270 | -0.1758 | 0.1768 | 0.0302 |
| 0.55 | 282 | 0.0474 | 0.1781 | 0.03 |
| 0.55 | 294 | 0.1541 | 0.1976 | 0.0302 |
| 0.65 | 66 | 0.0906 | 0.2114 | 0.0301 |
| 0.65 | 78 | -0.1265 | 0.1759 | 0.0301 |
| 0.65 | 90 | -0.2123 | 0.1909 | 0.0303 |
| 0.65 | 102 | 0.0504 | 0.1818 | 0.03 |
| 0.65 | 114 | -0.0901 | 0.1676 | 0.0301 |
| 0.65 | 126 | 0.058 | 0.1589 | 0.03 |
| 0.65 | 138 | 0.3981 | 0.2315 | 0.031 |
| 0.65 | 222 | -0.0242 | 0.2158 | 0.03 |
| 0.65 | 234 | -0.1259 | 0.1559 | 0.0301 |
| 0.65 | 246 | 0.2155 | 0.1501 | 0.0303 |
| 0.65 | 258 | -0.1661 | 0.152 | 0.0302 |
| 0.65 | 270 | 0.009 | 0.1666 | 0.03 |
| 0.65 | 282 | 0.1599 | 0.1893 | 0.0302 |
| 0.75 | 78 | 0.1849 | 0.2398 | 0.0302 |
| 0.75 | 90 | 0.3273 | 0.1734 | 0.0307 |
| 0.75 | 102 | -0.0099 | 0.1797 | 0.03 |
| 0.75 | 114 | -0.1109 | 0.1452 | 0.0301 |
| 0.75 | 126 | -0.174 | 0.1418 | 0.0302 |
| 0.75 | 138 | -0.0315 | 0.1498 | 0.03 |
| 0.75 | 150 | 0.1851 | 0.1988 | 0.0302 |
| 0.75 | 198 | -0.3693 | 0.2855 | 0.0309 |
| 0.75 | 210 | -0.0246 | 0.2185 | 0.03 |
| 0.75 | 222 | -0.0259 | 0.1608 | 0.03 |
| 0.75 | 234 | -0.0878 | 0.1468 | 0.0301 |
| 0.75 | 246 | 0.0028 | 0.1324 | 0.03 |
| 0.75 | 258 | -0.0524 | 0.1404 | 0.03 |
| 0.75 | 270 | -0.2401 | 0.1536 | 0.0304 |
| 0.75 | 282 | 0.1109 | 0.2473 | 0.0301 |
| 0.85 | 90 | -0.2014 | 0.2478 | 0.0303 |
| 0.85 | 102 | -0.1653 | 0.1962 | 0.0302 |
| 0.85 | 114 | 0.2424 | 0.1275 | 0.0304 |
| 0.85 | 126 | 0.0725 | 0.148 | 0.03 |
| 0.85 | 138 | 0.1387 | 0.1367 | 0.0301 |
| 0.85 | 150 | 0.3678 | 0.1638 | 0.0309 |
| 0.85 | 162 | 0.0439 | 0.2351 | 0.03 |
| 0.85 | 174 | -0.2017 | 0.2337 | 0.0303 |
| 0.85 | 210 | 0.2013 | 0.1861 | 0.0303 |
| 0.85 | 222 | 0.0652 | 0.1551 | 0.03 |
| 0.85 | 234 | 0.0692 | 0.1601 | 0.03 |
| 0.85 | 246 | 0.1936 | 0.1252 | 0.0302 |
| 0.85 | 258 | -0.3287 | 0.1121 | 0.0307 |
| 0.85 | 270 | 0.0815 | 0.1328 | 0.03 |
| 0.85 | 282 | -0.2803 | 0.1921 | 0.0305 |
| 0.95 | 138 | -0.0805 | 0.2215 | 0.03 |
| 0.95 | 150 | 0.1643 | 0.2517 | 0.0302 |
| 0.95 | 162 | 0.3282 | 0.2601 | 0.0307 |
| 0.95 | 210 | 0.0133 | 0.2083 | 0.03 |
| 0.95 | 222 | -0.0864 | 0.1811 | 0.03 |
| 0.95 | 234 | 0.0076 | 0.1779 | 0.03 |
| 0.95 | 246 | 0.295 | 0.1617 | 0.0306 |
| 0.95 | 258 | -0.0067 | 0.1841 | 0.03 |
| 0.95 | 270 | 0.1186 | 0.2156 | 0.0301 |