You are not logged in.
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 : | 0.0844 GeV2 | |
|---|---|---|
| W : | 1325 GeV | |
| ε : | 0.9578 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.3093 |
|
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 | 0.0141 | 0.237 | 0.03 |
| 0.25 | 66 | 0.0745 | 0.2218 | 0.03 |
| 0.25 | 78 | -0.1449 | 0.2557 | 0.0301 |
| 0.25 | 294 | -0.3139 | 0.2115 | 0.0307 |
| 0.25 | 306 | -0.1842 | 0.2025 | 0.0302 |
| 0.35 | 66 | -0.0166 | 0.2227 | 0.03 |
| 0.35 | 78 | 0.0218 | 0.1793 | 0.03 |
| 0.35 | 282 | -0.0161 | 0.2394 | 0.03 |
| 0.35 | 294 | -0.1943 | 0.1696 | 0.0303 |
| 0.35 | 306 | -0.0231 | 0.2189 | 0.03 |
| 0.45 | 66 | 0.1725 | 0.1994 | 0.0302 |
| 0.45 | 78 | 0.1724 | 0.1799 | 0.0302 |
| 0.45 | 90 | 0.258 | 0.2475 | 0.0304 |
| 0.45 | 282 | -0.1692 | 0.1903 | 0.0302 |
| 0.45 | 294 | 0.0091 | 0.1854 | 0.03 |
| 0.55 | 66 | -0.1159 | 0.2032 | 0.0301 |
| 0.55 | 78 | -0.2529 | 0.1927 | 0.0304 |
| 0.55 | 90 | 0.027 | 0.1842 | 0.03 |
| 0.55 | 102 | -0.0615 | 0.2503 | 0.03 |
| 0.55 | 270 | -0.0287 | 0.2277 | 0.03 |
| 0.55 | 282 | 0.2647 | 0.1903 | 0.0305 |
| 0.55 | 294 | -0.0708 | 0.2496 | 0.03 |
| 0.65 | 90 | 0.1148 | 0.2318 | 0.0301 |
| 0.65 | 102 | -0.2211 | 0.1988 | 0.0303 |
| 0.65 | 114 | 0.4896 | 0.1879 | 0.0316 |
| 0.65 | 126 | -0.0274 | 0.2475 | 0.03 |
| 0.65 | 234 | 0.0143 | 0.2437 | 0.03 |
| 0.65 | 246 | 0.1308 | 0.2515 | 0.0301 |
| 0.65 | 258 | -0.0217 | 0.1714 | 0.03 |
| 0.65 | 270 | -0.0626 | 0.1773 | 0.03 |
| 0.65 | 282 | 0.2446 | 0.2044 | 0.0304 |
| 0.75 | 90 | -0.198 | 0.238 | 0.0303 |
| 0.75 | 102 | 0.1149 | 0.1804 | 0.0301 |
| 0.75 | 114 | 0.1765 | 0.1547 | 0.0302 |
| 0.75 | 126 | 0.135 | 0.152 | 0.0301 |
| 0.75 | 138 | -0.147 | 0.2199 | 0.0301 |
| 0.75 | 222 | -0.3019 | 0.2486 | 0.0306 |
| 0.75 | 234 | -0.0356 | 0.1741 | 0.03 |
| 0.75 | 246 | -0.4162 | 0.1606 | 0.0311 |
| 0.75 | 258 | -0.0671 | 0.167 | 0.03 |
| 0.75 | 270 | 0.1852 | 0.167 | 0.0302 |
| 0.75 | 282 | -0.1889 | 0.1656 | 0.0302 |
| 0.75 | 294 | 0.0509 | 0.259 | 0.03 |
| 0.85 | 90 | -0.3169 | 0.2348 | 0.0307 |
| 0.85 | 102 | 0.0353 | 0.1808 | 0.03 |
| 0.85 | 114 | 0.1351 | 0.1659 | 0.0301 |
| 0.85 | 126 | 0.1848 | 0.1646 | 0.0302 |
| 0.85 | 138 | 0.0197 | 0.1818 | 0.03 |
| 0.85 | 150 | 0.3594 | 0.1963 | 0.0308 |
| 0.85 | 162 | -0.098 | 0.2491 | 0.0301 |
| 0.85 | 222 | -0.1194 | 0.2555 | 0.0301 |
| 0.85 | 234 | 0.1073 | 0.1586 | 0.0301 |
| 0.85 | 246 | -0.2673 | 0.1408 | 0.0305 |
| 0.85 | 258 | 0.0772 | 0.1377 | 0.03 |
| 0.85 | 270 | -0.1418 | 0.1595 | 0.0301 |
| 0.85 | 282 | -0.2318 | 0.1736 | 0.0304 |
| 0.95 | 126 | -0.0493 | 0.2311 | 0.03 |
| 0.95 | 138 | 0.0789 | 0.2133 | 0.03 |
| 0.95 | 150 | 0.6027 | 0.2084 | 0.0323 |
| 0.95 | 162 | -0.2814 | 0.2574 | 0.0305 |
| 0.95 | 174 | 0.2315 | 0.0303 | |
| 0.95 | 210 | -0.2291 | 0.2262 | 0.0303 |
| 0.95 | 222 | 0.0344 | 0.2506 | 0.03 |
| 0.95 | 234 | -0.1611 | 0.1772 | 0.0302 |
| 0.95 | 246 | -0.0337 | 0.2068 | 0.03 |
| 0.95 | 258 | 0.311 | 0.1864 | 0.0306 |
| 0.95 | 270 | -0.2128 | 0.2169 | 0.0303 |
| 0.05 | 306 | 0.2754 | 0.2561 | 0.0305 |
| 0.15 | 306 | 0.1362 | 0.2304 | 0.0301 |
| 0.25 | 66 | -0.0027 | 0.2049 | 0.03 |
| 0.25 | 294 | 0.1883 | 0.2292 | 0.0302 |
| 0.25 | 306 | 0.0907 | 0.1992 | 0.0301 |
| 0.35 | 66 | -0.0174 | 0.1501 | 0.03 |
| 0.35 | 78 | -0.2644 | 0.177 | 0.0305 |
| 0.35 | 282 | -0.2564 | 0.2323 | 0.0304 |
| 0.35 | 294 | -0.3117 | 0.1669 | 0.0306 |
| 0.35 | 306 | 0.1811 | 0.1974 | 0.0302 |
| 0.45 | 66 | -0.2726 | 0.1893 | 0.0305 |
| 0.45 | 78 | -0.1689 | 0.152 | 0.0302 |
| 0.45 | 90 | 0.3442 | 0.2251 | 0.0308 |
| 0.45 | 282 | -0.0686 | 0.2047 | 0.03 |
| 0.45 | 294 | -0.061 | 0.1788 | 0.03 |
| 0.55 | 66 | 0.2961 | 0.2033 | 0.0306 |
| 0.55 | 78 | -0.0038 | 0.1916 | 0.03 |
| 0.55 | 90 | -0.1686 | 0.2034 | 0.0302 |
| 0.55 | 258 | -0.004 | 0.2242 | 0.03 |
| 0.55 | 270 | 0.0433 | 0.1995 | 0.03 |
| 0.55 | 282 | 0.0204 | 0.1804 | 0.03 |
| 0.55 | 294 | 0.1624 | 0.2106 | 0.0302 |
| 0.65 | 78 | 0.0692 | 0.2028 | 0.03 |
| 0.65 | 90 | 0.1594 | 0.2023 | 0.0302 |
| 0.65 | 102 | -0.318 | 0.1962 | 0.0307 |
| 0.65 | 114 | 0.1881 | 0.1925 | 0.0302 |
| 0.65 | 246 | 0.2567 | 0.1798 | 0.0304 |
| 0.65 | 258 | -0.0155 | 0.1674 | 0.03 |
| 0.65 | 270 | -0.0637 | 0.1617 | 0.03 |
| 0.65 | 282 | 0.0149 | 0.1858 | 0.03 |
| 0.75 | 78 | 0.1541 | 0.2625 | 0.0302 |
| 0.75 | 90 | 0.0922 | 0.1971 | 0.0301 |
| 0.75 | 102 | 0.2435 | 0.1533 | 0.0304 |
| 0.75 | 114 | 0.0049 | 0.1427 | 0.03 |
| 0.75 | 126 | -0.1977 | 0.1666 | 0.0303 |
| 0.75 | 222 | -0.2952 | 0.2163 | 0.0306 |
| 0.75 | 234 | 0.1944 | 0.1612 | 0.0303 |
| 0.75 | 246 | -0.0448 | 0.1591 | 0.03 |
| 0.75 | 258 | -0.0277 | 0.1545 | 0.03 |
| 0.75 | 270 | -0.2269 | 0.1752 | 0.0303 |
| 0.75 | 282 | 0.0609 | 0.1941 | 0.03 |
| 0.85 | 90 | 0.3425 | 0.2412 | 0.0308 |
| 0.85 | 102 | -0.0699 | 0.1583 | 0.03 |
| 0.85 | 114 | -0.3181 | 0.1329 | 0.0307 |
| 0.85 | 126 | -0.1801 | 0.1467 | 0.0302 |
| 0.85 | 138 | 0.2121 | 0.1499 | 0.0303 |
| 0.85 | 150 | -0.3993 | 0.183 | 0.031 |
| 0.85 | 162 | 0.1188 | 0.1856 | 0.0301 |
| 0.85 | 198 | -0.184 | 0.2521 | 0.0302 |
| 0.85 | 222 | 0.1292 | 0.1964 | 0.0301 |
| 0.85 | 234 | -0.2201 | 0.1667 | 0.0303 |
| 0.85 | 246 | 0.1415 | 0.1361 | 0.0301 |
| 0.85 | 258 | 0.2303 | 0.1405 | 0.0304 |
| 0.85 | 270 | 0.2368 | 0.1371 | 0.0304 |
| 0.85 | 282 | 0.1855 | 0.1898 | 0.0302 |
| 0.95 | 114 | -0.1714 | 0.2189 | 0.0302 |
| 0.95 | 126 | -0.0551 | 0.1917 | 0.03 |
| 0.95 | 138 | -0.1239 | 0.2257 | 0.0301 |
| 0.95 | 150 | 0.3675 | 0.2263 | 0.0309 |
| 0.95 | 162 | -0.3403 | 0.2172 | 0.0308 |
| 0.95 | 174 | -0.3238 | 0.2196 | 0.0307 |
| 0.95 | 210 | 0.276 | 0.2084 | 0.0305 |
| 0.95 | 222 | -0.0847 | 0.2476 | 0.03 |
| 0.95 | 234 | 0.1783 | 0.1813 | 0.0302 |
| 0.95 | 246 | -0.0453 | 0.186 | 0.03 |
| 0.95 | 258 | -0.109 | 0.1841 | 0.0301 |
| 0.95 | 270 | -0.253 | 0.1885 | 0.0304 |