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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 : | 1445 GeV | |
| ε : | 0.9062 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1382 |
|
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 | 30 | -0.3041 | 0.2493 | 0.0306 |
| 0.15 | 30 | -0.034 | 0.269 | 0.03 |
| 0.15 | 42 | -0.2835 | 0.266 | 0.0305 |
| 0.15 | 66 | -0.3319 | 0.2592 | 0.0307 |
| 0.15 | 306 | 0.1234 | 0.2677 | 0.0301 |
| 0.25 | 18 | 0.2162 | 0.2535 | 0.0303 |
| 0.25 | 42 | 0.3652 | 0.2412 | 0.0309 |
| 0.25 | 54 | 0.1877 | 0.2221 | 0.0302 |
| 0.25 | 66 | 0.5259 | 0.1668 | 0.0318 |
| 0.25 | 78 | 0.2246 | 0.1825 | 0.0303 |
| 0.25 | 282 | 0.0759 | 0.1755 | 0.03 |
| 0.25 | 294 | 0.1204 | 0.1989 | 0.0301 |
| 0.25 | 306 | 0.1528 | 0.2435 | 0.0302 |
| 0.35 | 18 | 0.278 | 0.2734 | 0.0305 |
| 0.35 | 54 | -0.0758 | 0.2743 | 0.03 |
| 0.35 | 66 | 0.1044 | 0.1415 | 0.0301 |
| 0.35 | 78 | -0.0474 | 0.161 | 0.03 |
| 0.35 | 90 | -0.218 | 0.2003 | 0.0303 |
| 0.35 | 270 | -0.0515 | 0.2254 | 0.03 |
| 0.35 | 282 | 0.014 | 0.1761 | 0.03 |
| 0.35 | 294 | -0.2073 | 0.1443 | 0.0303 |
| 0.35 | 306 | 0.4168 | 0.1972 | 0.0311 |
| 0.45 | 66 | -0.0393 | 0.1755 | 0.03 |
| 0.45 | 78 | 0.0959 | 0.1433 | 0.0301 |
| 0.45 | 90 | -0.0941 | 0.1742 | 0.0301 |
| 0.45 | 102 | -0.1585 | 0.2542 | 0.0302 |
| 0.45 | 258 | -0.1612 | 0.2233 | 0.0302 |
| 0.45 | 270 | -0.079 | 0.1705 | 0.03 |
| 0.45 | 282 | -0.1756 | 0.1359 | 0.0302 |
| 0.45 | 294 | 0.0786 | 0.1467 | 0.03 |
| 0.45 | 306 | -0.0627 | 0.242 | 0.03 |
| 0.55 | 66 | -0.2544 | 0.2045 | 0.0304 |
| 0.55 | 78 | -0.1416 | 0.1671 | 0.0301 |
| 0.55 | 90 | -0.1134 | 0.1623 | 0.0301 |
| 0.55 | 102 | 0.0407 | 0.1852 | 0.03 |
| 0.55 | 114 | -0.0735 | 0.1724 | 0.03 |
| 0.55 | 126 | 0.1251 | 0.2158 | 0.0301 |
| 0.55 | 138 | 0.1744 | 0.2022 | 0.0302 |
| 0.55 | 222 | 0.276 | 0.2491 | 0.0305 |
| 0.55 | 234 | 0.2526 | 0.2073 | 0.0304 |
| 0.55 | 246 | -0.0668 | 0.2114 | 0.03 |
| 0.55 | 258 | 0.086 | 0.1825 | 0.03 |
| 0.55 | 270 | -0.0736 | 0.1475 | 0.03 |
| 0.55 | 282 | -0.1504 | 0.1373 | 0.0302 |
| 0.55 | 294 | -0.0103 | 0.2003 | 0.03 |
| 0.65 | 66 | 0.1886 | 0.1841 | 0.0302 |
| 0.65 | 78 | 0.0117 | 0.2098 | 0.03 |
| 0.65 | 90 | -0.1574 | 0.2051 | 0.0302 |
| 0.65 | 102 | 0.3291 | 0.2248 | 0.0307 |
| 0.65 | 114 | 0.091 | 0.1489 | 0.0301 |
| 0.65 | 126 | 0.3412 | 0.1599 | 0.0308 |
| 0.65 | 138 | 0.2646 | 0.1667 | 0.0305 |
| 0.65 | 150 | 0.2092 | 0.2233 | 0.0303 |
| 0.65 | 198 | 0.2516 | 0.2477 | 0.0304 |
| 0.65 | 210 | -0.2069 | 0.2186 | 0.0303 |
| 0.65 | 222 | 0.1784 | 0.1758 | 0.0302 |
| 0.65 | 234 | -0.1771 | 0.1623 | 0.0302 |
| 0.65 | 246 | -0.3213 | 0.1735 | 0.0307 |
| 0.65 | 258 | -0.2098 | 0.1671 | 0.0303 |
| 0.65 | 270 | -0.2829 | 0.1737 | 0.0305 |
| 0.65 | 282 | -0.4073 | 0.2057 | 0.0311 |
| 0.65 | 294 | -0.2848 | 0.1766 | 0.0305 |
| 0.65 | 306 | 0.2071 | 0.215 | 0.0303 |
| 0.75 | 66 | -0.4185 | 0.2211 | 0.0311 |
| 0.75 | 78 | -0.2105 | 0.2021 | 0.0303 |
| 0.75 | 90 | 0.2385 | 0.2513 | 0.0304 |
| 0.75 | 102 | 0.0992 | 0.1857 | 0.0301 |
| 0.75 | 114 | -0.1024 | 0.1349 | 0.0301 |
| 0.75 | 126 | -0.0256 | 0.1339 | 0.03 |
| 0.75 | 138 | 0.1945 | 0.1559 | 0.0303 |
| 0.75 | 150 | -0.0046 | 0.1908 | 0.03 |
| 0.75 | 198 | 0.2468 | 0.2657 | 0.0304 |
| 0.75 | 210 | 0.0278 | 0.1858 | 0.03 |
| 0.75 | 222 | -0.3006 | 0.1443 | 0.0306 |
| 0.75 | 234 | -0.1236 | 0.1395 | 0.0301 |
| 0.75 | 246 | 0.01 | 0.1375 | 0.03 |
| 0.75 | 258 | -0.1985 | 0.1673 | 0.0303 |
| 0.75 | 270 | 0.2911 | 0.223 | 0.0306 |
| 0.75 | 282 | -0.105 | 0.2267 | 0.0301 |
| 0.75 | 294 | 0.1166 | 0.1825 | 0.0301 |
| 0.85 | 90 | 0.0608 | 0.2157 | 0.03 |
| 0.85 | 102 | -0.2814 | 0.2207 | 0.0305 |
| 0.85 | 114 | 0.0269 | 0.1639 | 0.03 |
| 0.85 | 126 | -0.1228 | 0.1831 | 0.0301 |
| 0.85 | 138 | 0.133 | 0.1786 | 0.0301 |
| 0.85 | 150 | -0.1753 | 0.1993 | 0.0302 |
| 0.85 | 210 | -0.2108 | 0.2126 | 0.0303 |
| 0.85 | 222 | -0.0105 | 0.1846 | 0.03 |
| 0.85 | 234 | 0.0159 | 0.1375 | 0.03 |
| 0.85 | 246 | 0.297 | 0.1476 | 0.0306 |
| 0.85 | 258 | -0.0297 | 0.1475 | 0.03 |
| 0.85 | 270 | -0.0924 | 0.1756 | 0.0301 |
| 0.95 | 114 | 0.136 | 0.2626 | 0.0301 |
| 0.95 | 138 | 0.5793 | 0.2376 | 0.0322 |
| 0.95 | 222 | 0.0914 | 0.2222 | 0.0301 |
| 0.95 | 234 | -0.4204 | 0.1808 | 0.0312 |
| 0.95 | 246 | -0.1631 | 0.1668 | 0.0302 |
| 0.95 | 258 | -0.2467 | 0.2279 | 0.0304 |