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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 : | 1475 GeV | |
| ε : | 0.9198 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.1228 |
|
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 |
|---|---|---|---|---|
| 0.25 | 66 | -0.0349 | 0.2029 | 0.03 |
| 0.25 | 78 | -0.4404 | 0.218 | 0.0313 |
| 0.25 | 282 | 0.02 | 0.2449 | 0.03 |
| 0.25 | 294 | 0.4042 | 0.2326 | 0.0311 |
| 0.35 | 66 | 0.1278 | 0.1907 | 0.0301 |
| 0.35 | 78 | -0.0192 | 0.1891 | 0.03 |
| 0.35 | 90 | 0.0669 | 0.2455 | 0.03 |
| 0.35 | 270 | 0.3237 | 0.2073 | 0.0307 |
| 0.35 | 282 | -0.1268 | 0.1834 | 0.0301 |
| 0.35 | 294 | -0.1537 | 0.1798 | 0.0302 |
| 0.45 | 66 | 0.5766 | 0.1574 | 0.0321 |
| 0.45 | 78 | 0.0386 | 0.1601 | 0.03 |
| 0.45 | 90 | -0.1077 | 0.2143 | 0.0301 |
| 0.45 | 102 | -0.0984 | 0.2099 | 0.0301 |
| 0.45 | 258 | -0.2184 | 0.2309 | 0.0303 |
| 0.45 | 270 | -0.4187 | 0.1771 | 0.0311 |
| 0.45 | 282 | 0.3678 | 0.1465 | 0.0309 |
| 0.45 | 294 | -0.0764 | 0.192 | 0.03 |
| 0.55 | 78 | -0.1024 | 0.1778 | 0.0301 |
| 0.55 | 90 | -0.117 | 0.2014 | 0.0301 |
| 0.55 | 102 | -0.0786 | 0.2046 | 0.03 |
| 0.55 | 114 | 0.0174 | 0.187 | 0.03 |
| 0.55 | 126 | -0.2934 | 0.1612 | 0.0306 |
| 0.55 | 234 | 0 | 0.2629 | 0.03 |
| 0.55 | 246 | 0.1853 | 0.262 | 0.0302 |
| 0.55 | 258 | -0.2735 | 0.1756 | 0.0305 |
| 0.55 | 270 | 0.1088 | 0.1679 | 0.0301 |
| 0.55 | 282 | -0.2151 | 0.1811 | 0.0303 |
| 0.55 | 294 | 0.046 | 0.2009 | 0.03 |
| 0.65 | 78 | -0.071 | 0.2241 | 0.03 |
| 0.65 | 90 | -0.0823 | 0.2079 | 0.03 |
| 0.65 | 102 | 0.4649 | 0.2095 | 0.0314 |
| 0.65 | 114 | 0.0664 | 0.1912 | 0.03 |
| 0.65 | 126 | -0.0131 | 0.1581 | 0.03 |
| 0.65 | 138 | -0.1467 | 0.1809 | 0.0301 |
| 0.65 | 150 | -0.3226 | 0.2155 | 0.0307 |
| 0.65 | 210 | 0.3201 | 0.1961 | 0.0307 |
| 0.65 | 222 | 0.2449 | 0.172 | 0.0304 |
| 0.65 | 234 | -0.214 | 0.1475 | 0.0303 |
| 0.65 | 246 | 0.1741 | 0.185 | 0.0302 |
| 0.65 | 258 | 0.1642 | 0.1722 | 0.0302 |
| 0.65 | 270 | -0.1599 | 0.1857 | 0.0302 |
| 0.65 | 294 | 0.1073 | 0.2136 | 0.0301 |
| 0.65 | 306 | -0.0898 | 0.246 | 0.0301 |
| 0.75 | 78 | -0.1026 | 0.2363 | 0.0301 |
| 0.75 | 102 | -0.2844 | 0.2023 | 0.0305 |
| 0.75 | 114 | 0.3984 | 0.1622 | 0.031 |
| 0.75 | 126 | 0.2055 | 0.1705 | 0.0303 |
| 0.75 | 138 | 0.0318 | 0.1728 | 0.03 |
| 0.75 | 150 | 0.8249 | 0.1475 | 0.0342 |
| 0.75 | 198 | -0.4609 | 0.2047 | 0.0314 |
| 0.75 | 210 | 0.0608 | 0.1947 | 0.03 |
| 0.75 | 222 | -0.085 | 0.1938 | 0.03 |
| 0.75 | 234 | 0.1311 | 0.1732 | 0.0301 |
| 0.75 | 246 | -0.131 | 0.1671 | 0.0301 |
| 0.75 | 258 | 0.0801 | 0.1888 | 0.03 |
| 0.75 | 282 | -0.3394 | 0.201 | 0.0308 |
| 0.75 | 294 | 0.2159 | 0.2203 | 0.0303 |
| 0.85 | 90 | 0.0604 | 0.1929 | 0.03 |
| 0.85 | 102 | 0.4585 | 0.2216 | 0.0314 |
| 0.85 | 114 | 0.3135 | 0.2146 | 0.0306 |
| 0.85 | 126 | 0.0378 | 0.2166 | 0.03 |
| 0.85 | 138 | -0.2651 | 0.209 | 0.0305 |
| 0.85 | 222 | -0.0628 | 0.1735 | 0.03 |
| 0.85 | 234 | -0.0568 | 0.1714 | 0.03 |
| 0.85 | 246 | -0.1805 | 0.1708 | 0.0302 |
| 0.85 | 258 | 0.0376 | 0.1871 | 0.03 |
| 0.85 | 270 | -0.3963 | 0.1914 | 0.031 |
| 0.95 | 222 | -0.1971 | 0.2458 | 0.0303 |
| 0.95 | 234 | 0.3204 | 0.2269 | 0.0307 |
| 0.95 | 246 | -0.2356 | 0.2108 | 0.0304 |
| 0.95 | 258 | 0.0444 | 0.2592 | 0.03 |
| 0.15 | 66 | 0.1162 | 0.2526 | 0.0301 |
| 0.25 | 54 | -0.1294 | 0.2377 | 0.0301 |
| 0.25 | 66 | 0.0649 | 0.2222 | 0.03 |
| 0.25 | 78 | 0.2593 | 0.2121 | 0.0304 |
| 0.25 | 282 | -0.4533 | 0.2055 | 0.0313 |
| 0.25 | 294 | -0.4122 | 0.1949 | 0.0311 |
| 0.25 | 306 | -0.0033 | 0.2193 | 0.03 |
| 0.35 | 66 | -0.1669 | 0.1604 | 0.0302 |
| 0.35 | 78 | 0.1149 | 0.1601 | 0.0301 |
| 0.35 | 90 | 0.5657 | 0.2034 | 0.0321 |
| 0.35 | 270 | 0.0113 | 0.1935 | 0.03 |
| 0.35 | 282 | -0.1079 | 0.165 | 0.0301 |
| 0.35 | 294 | 0.0063 | 0.1728 | 0.03 |
| 0.35 | 306 | -0.2667 | 0.2406 | 0.0305 |
| 0.45 | 66 | -0.2049 | 0.163 | 0.0303 |
| 0.45 | 78 | 0.0259 | 0.156 | 0.03 |
| 0.45 | 90 | -0.0424 | 0.1997 | 0.03 |
| 0.45 | 102 | 0.1125 | 0.2504 | 0.0301 |
| 0.45 | 270 | -0.4371 | 0.1482 | 0.0312 |
| 0.45 | 282 | -0.063 | 0.1451 | 0.03 |
| 0.45 | 294 | 0.2331 | 0.1461 | 0.0304 |
| 0.55 | 66 | 0.1038 | 0.2458 | 0.0301 |
| 0.55 | 78 | 0.2978 | 0.1816 | 0.0306 |
| 0.55 | 90 | -0.1935 | 0.2144 | 0.0302 |
| 0.55 | 102 | -0.1582 | 0.1759 | 0.0302 |
| 0.55 | 114 | 0.1293 | 0.1901 | 0.0301 |
| 0.55 | 126 | 0.1327 | 0.1707 | 0.0301 |
| 0.55 | 222 | -0.1933 | 0.2561 | 0.0302 |
| 0.55 | 234 | 0.3784 | 0.2381 | 0.0309 |
| 0.55 | 246 | -0.6615 | 0.1875 | 0.0328 |
| 0.55 | 258 | -0.0177 | 0.1641 | 0.03 |
| 0.55 | 270 | -0.2189 | 0.1577 | 0.0303 |
| 0.55 | 282 | 0.1837 | 0.1585 | 0.0302 |
| 0.55 | 294 | -0.1683 | 0.2246 | 0.0302 |
| 0.65 | 66 | -0.1913 | 0.2286 | 0.0302 |
| 0.65 | 78 | 0.0805 | 0.2125 | 0.03 |
| 0.65 | 90 | -0.245 | 0.215 | 0.0304 |
| 0.65 | 102 | -0.0043 | 0.1984 | 0.03 |
| 0.65 | 114 | 0.2765 | 0.1483 | 0.0305 |
| 0.65 | 126 | 0.1565 | 0.1573 | 0.0302 |
| 0.65 | 138 | 0.0603 | 0.2037 | 0.03 |
| 0.65 | 198 | -0.3074 | 0.2362 | 0.0306 |
| 0.65 | 210 | -0.0389 | 0.2388 | 0.03 |
| 0.65 | 222 | 0.2481 | 0.1621 | 0.0304 |
| 0.65 | 234 | 0.2552 | 0.1647 | 0.0304 |
| 0.65 | 246 | -0.1728 | 0.1527 | 0.0302 |
| 0.65 | 258 | -0.0801 | 0.1835 | 0.03 |
| 0.65 | 270 | -0.1526 | 0.1931 | 0.0302 |
| 0.65 | 282 | -0.125 | 0.2163 | 0.0301 |
| 0.65 | 294 | -0.2749 | 0.1973 | 0.0305 |
| 0.65 | 306 | 0.1813 | 0.208 | 0.0302 |
| 0.75 | 66 | -0.0245 | 0.2426 | 0.03 |
| 0.75 | 78 | 0.0737 | 0.2285 | 0.03 |
| 0.75 | 102 | 0.1605 | 0.1914 | 0.0302 |
| 0.75 | 114 | -0.0892 | 0.1402 | 0.0301 |
| 0.75 | 126 | 0.1412 | 0.1493 | 0.0301 |
| 0.75 | 138 | -0.1496 | 0.1857 | 0.0301 |
| 0.75 | 150 | -0.2165 | 0.2238 | 0.0303 |
| 0.75 | 186 | -0.3275 | 0.2393 | 0.0307 |
| 0.75 | 198 | 0.6604 | 0.2021 | 0.0328 |
| 0.75 | 210 | 0.2671 | 0.1828 | 0.0305 |
| 0.75 | 222 | 0.0123 | 0.1443 | 0.03 |
| 0.75 | 234 | 0.0336 | 0.1579 | 0.03 |
| 0.75 | 246 | 0.0629 | 0.1692 | 0.03 |
| 0.75 | 258 | 0.2 | 0.1738 | 0.0303 |
| 0.75 | 270 | 0.0087 | 0.2235 | 0.03 |
| 0.75 | 282 | -0.3418 | 0.1671 | 0.0308 |
| 0.75 | 294 | -0.1471 | 0.1869 | 0.0301 |
| 0.85 | 90 | 0.5552 | 0.1945 | 0.032 |
| 0.85 | 102 | 0.1797 | 0.1993 | 0.0302 |
| 0.85 | 114 | 0.1318 | 0.21 | 0.0301 |
| 0.85 | 126 | 0.2339 | 0.1656 | 0.0304 |
| 0.85 | 138 | -0.2438 | 0.2069 | 0.0304 |
| 0.85 | 150 | 0.22 | 0.2511 | 0.0303 |
| 0.85 | 198 | -0.2127 | 0.2436 | 0.0303 |
| 0.85 | 210 | -0.0716 | 0.2009 | 0.03 |
| 0.85 | 222 | -0.0546 | 0.1601 | 0.03 |
| 0.85 | 234 | -0.1066 | 0.1657 | 0.0301 |
| 0.85 | 246 | -0.1709 | 0.1499 | 0.0302 |
| 0.85 | 258 | 0.2662 | 0.1895 | 0.0305 |
| 0.85 | 270 | -0.1242 | 0.1911 | 0.0301 |
| 0.95 | 114 | 0.0015 | 0.2219 | 0.03 |
| 0.95 | 234 | -0.1468 | 0.2242 | 0.0301 |
| 0.95 | 246 | -0.075 | 0.2163 | 0.03 |
| 0.95 | 258 | 0.2442 | 0.2441 | 0.0304 |