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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 : | 1505 GeV | |
| ε : | 0.8872 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0638 |
|
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 | -0.2764 | 0.2595 | 0.0305 |
| 0.15 | 66 | 0.1017 | 0.2628 | 0.0301 |
| 0.25 | 30 | 0.0681 | 0.2545 | 0.03 |
| 0.25 | 42 | -0.1458 | 0.2722 | 0.0301 |
| 0.25 | 54 | 0.0214 | 0.2382 | 0.03 |
| 0.25 | 66 | 0.2969 | 0.1978 | 0.0306 |
| 0.25 | 78 | 0.1476 | 0.1931 | 0.0301 |
| 0.25 | 90 | 0.0506 | 0.2755 | 0.03 |
| 0.25 | 282 | 0.1442 | 0.2332 | 0.0301 |
| 0.25 | 294 | 0.0915 | 0.2101 | 0.0301 |
| 0.25 | 306 | -0.3346 | 0.2482 | 0.0307 |
| 0.25 | 318 | 0.3095 | 0.2665 | 0.0306 |
| 0.25 | 330 | -0.0498 | 0.2723 | 0.03 |
| 0.35 | 18 | -0.1397 | 0.2044 | 0.0301 |
| 0.35 | 30 | 0.0601 | 0.2185 | 0.03 |
| 0.35 | 54 | 0.1679 | 0.2166 | 0.0302 |
| 0.35 | 66 | -0.0525 | 0.1568 | 0.03 |
| 0.35 | 78 | -0.044 | 0.149 | 0.03 |
| 0.35 | 90 | 0.0822 | 0.1748 | 0.03 |
| 0.35 | 258 | -0.1968 | 0.2101 | 0.0303 |
| 0.35 | 270 | -0.1381 | 0.1684 | 0.0301 |
| 0.35 | 282 | 0.1775 | 0.1548 | 0.0302 |
| 0.35 | 294 | 0.031 | 0.1645 | 0.03 |
| 0.35 | 306 | 0.1091 | 0.2587 | 0.0301 |
| 0.35 | 318 | -0.0699 | 0.2215 | 0.03 |
| 0.35 | 330 | 0.5743 | 0.227 | 0.0321 |
| 0.45 | 18 | -0.1187 | 0.2492 | 0.0301 |
| 0.45 | 66 | -0.2426 | 0.1494 | 0.0304 |
| 0.45 | 78 | -0.1339 | 0.1363 | 0.0301 |
| 0.45 | 90 | -0.1965 | 0.1873 | 0.0303 |
| 0.45 | 102 | 0.4349 | 0.2317 | 0.0312 |
| 0.45 | 114 | -0.1762 | 0.2425 | 0.0302 |
| 0.45 | 126 | 0.089 | 0.1963 | 0.0301 |
| 0.45 | 222 | -0.1978 | 0.2621 | 0.0303 |
| 0.45 | 234 | 0.0408 | 0.267 | 0.03 |
| 0.45 | 246 | 0.4479 | 0.2155 | 0.0313 |
| 0.45 | 258 | -0.452 | 0.1681 | 0.0313 |
| 0.45 | 270 | 0.1613 | 0.1468 | 0.0302 |
| 0.45 | 282 | 0.0748 | 0.1378 | 0.03 |
| 0.45 | 294 | 0.0879 | 0.1657 | 0.0301 |
| 0.45 | 306 | -0.2687 | 0.2236 | 0.0305 |
| 0.45 | 318 | 0.3761 | 0.2588 | 0.0309 |
| 0.45 | 330 | -0.2452 | 0.1988 | 0.0304 |
| 0.55 | 66 | 0.1758 | 0.2675 | 0.0302 |
| 0.55 | 78 | -0.0329 | 0.1474 | 0.03 |
| 0.55 | 90 | -0.1238 | 0.1607 | 0.0301 |
| 0.55 | 102 | -0.1664 | 0.1835 | 0.0302 |
| 0.55 | 114 | -0.1132 | 0.1955 | 0.0301 |
| 0.55 | 126 | -0.227 | 0.1752 | 0.0303 |
| 0.55 | 138 | -0.2709 | 0.1604 | 0.0305 |
| 0.55 | 150 | -0.1907 | 0.2061 | 0.0302 |
| 0.55 | 198 | -0.2654 | 0.2675 | 0.0305 |
| 0.55 | 210 | 0.0297 | 0.1887 | 0.03 |
| 0.55 | 222 | -0.2079 | 0.1845 | 0.0303 |
| 0.55 | 234 | -0.2998 | 0.1668 | 0.0306 |
| 0.55 | 246 | 0.0753 | 0.1905 | 0.03 |
| 0.55 | 258 | -0.237 | 0.157 | 0.0304 |
| 0.55 | 270 | -0.0092 | 0.1407 | 0.03 |
| 0.55 | 282 | 0.0979 | 0.137 | 0.0301 |
| 0.55 | 294 | -0.2587 | 0.1878 | 0.0304 |
| 0.65 | 66 | -0.3047 | 0.1857 | 0.0306 |
| 0.65 | 78 | -0.1721 | 0.2129 | 0.0302 |
| 0.65 | 90 | 0.0332 | 0.211 | 0.03 |
| 0.65 | 102 | -0.2217 | 0.1892 | 0.0303 |
| 0.65 | 114 | 0.0366 | 0.1592 | 0.03 |
| 0.65 | 126 | 0.1044 | 0.1477 | 0.0301 |
| 0.65 | 138 | -0.0494 | 0.1714 | 0.03 |
| 0.65 | 150 | 0.2715 | 0.2241 | 0.0305 |
| 0.65 | 162 | -0.0152 | 0.2672 | 0.03 |
| 0.65 | 186 | 0.2586 | 0.2311 | 0.0304 |
| 0.65 | 198 | 0.2578 | 0.2025 | 0.0304 |
| 0.65 | 210 | -0.1542 | 0.1446 | 0.0302 |
| 0.65 | 222 | -0.0135 | 0.1589 | 0.03 |
| 0.65 | 234 | -0.2801 | 0.1406 | 0.0305 |
| 0.65 | 246 | -0.0075 | 0.1728 | 0.03 |
| 0.65 | 258 | 0.1144 | 0.1657 | 0.0301 |
| 0.65 | 270 | 0.1571 | 0.1611 | 0.0302 |
| 0.65 | 282 | 0.3635 | 0.1826 | 0.0309 |
| 0.65 | 294 | -0.0942 | 0.1847 | 0.0301 |
| 0.65 | 306 | -0.0268 | 0.2568 | 0.03 |
| 0.75 | 66 | -0.179 | 0.2039 | 0.0302 |
| 0.75 | 78 | 0.372 | 0.2068 | 0.0309 |
| 0.75 | 90 | 0.2675 | 0.2336 | 0.0305 |
| 0.75 | 114 | 0.1488 | 0.1575 | 0.0301 |
| 0.75 | 126 | -0.0586 | 0.1662 | 0.03 |
| 0.75 | 138 | -0.0089 | 0.1556 | 0.03 |
| 0.75 | 150 | 0.0411 | 0.1937 | 0.03 |
| 0.75 | 186 | 0.1732 | 0.283 | 0.0302 |
| 0.75 | 198 | 0.0235 | 0.2042 | 0.03 |
| 0.75 | 210 | -0.1677 | 0.1504 | 0.0302 |
| 0.75 | 222 | -0.0194 | 0.1394 | 0.03 |
| 0.75 | 234 | 0.2102 | 0.1555 | 0.0303 |
| 0.75 | 246 | 0.1351 | 0.1725 | 0.0301 |
| 0.75 | 258 | 0.0517 | 0.2046 | 0.03 |
| 0.75 | 270 | -0.2045 | 0.1775 | 0.0303 |
| 0.75 | 282 | -0.2119 | 0.1586 | 0.0303 |
| 0.75 | 294 | 0.2324 | 0.1888 | 0.0304 |
| 0.85 | 102 | 0.4685 | 0.1894 | 0.0314 |
| 0.85 | 114 | 0.1778 | 0.2024 | 0.0302 |
| 0.85 | 126 | -0.1492 | 0.2338 | 0.0301 |
| 0.85 | 138 | 0.1264 | 0.2331 | 0.0301 |
| 0.85 | 150 | 0.191 | 0.26 | 0.0302 |
| 0.85 | 186 | 0.4377 | 0.2602 | 0.0313 |
| 0.85 | 198 | -0.0814 | 0.1769 | 0.03 |
| 0.85 | 210 | 0.3063 | 0.1675 | 0.0306 |
| 0.85 | 222 | -0.1193 | 0.1407 | 0.0301 |
| 0.85 | 234 | -0.1203 | 0.1557 | 0.0301 |
| 0.85 | 246 | -0.2399 | 0.1484 | 0.0304 |
| 0.85 | 258 | -0.0046 | 0.2353 | 0.03 |
| 0.85 | 270 | -0.0945 | 0.2213 | 0.0301 |
| 0.95 | 210 | -0.0143 | 0.2658 | 0.03 |
| 0.95 | 222 | -0.0245 | 0.2158 | 0.03 |
| 0.95 | 234 | -0.3825 | 0.2003 | 0.031 |
| 0.95 | 246 | 0.1157 | 0.2442 | 0.0301 |