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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 : | 0.0496 GeV2 | |
|---|---|---|
| W : | 1505 GeV | |
| ε : | 0.914 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.0776 |
|
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 | -0.0924 | 0.2405 | 0.0301 |
| 0.25 | 78 | -0.0674 | 0.1651 | 0.0301 |
| 0.35 | 54 | -0.1598 | 0.2292 | 0.0302 |
| 0.35 | 66 | -0.2088 | 0.1812 | 0.0303 |
| 0.35 | 78 | -0.0138 | 0.1629 | 0.03 |
| 0.35 | 90 | 0.0411 | 0.215 | 0.03 |
| 0.35 | 270 | 0.0171 | 0.2019 | 0.03 |
| 0.35 | 282 | -0.0165 | 0.1839 | 0.03 |
| 0.35 | 294 | -0.3047 | 0.2086 | 0.0306 |
| 0.45 | 66 | -0.0448 | 0.1759 | 0.03 |
| 0.45 | 78 | -0.1981 | 0.1658 | 0.0303 |
| 0.45 | 90 | -0.0639 | 0.2153 | 0.03 |
| 0.45 | 114 | 0.4286 | 0.2368 | 0.0312 |
| 0.45 | 258 | 0.1207 | 0.2228 | 0.0301 |
| 0.45 | 270 | -0.0998 | 0.1758 | 0.0301 |
| 0.45 | 282 | 0.0783 | 0.1709 | 0.03 |
| 0.45 | 294 | 0.1587 | 0.2009 | 0.0302 |
| 0.55 | 78 | 0.2587 | 0.1881 | 0.0304 |
| 0.55 | 102 | -0.0527 | 0.2702 | 0.03 |
| 0.55 | 114 | 0.0055 | 0.184 | 0.03 |
| 0.55 | 126 | -0.2375 | 0.1824 | 0.0304 |
| 0.55 | 138 | -0.2873 | 0.1974 | 0.0305 |
| 0.55 | 222 | 0.3409 | 0.2242 | 0.0308 |
| 0.55 | 246 | 0.2098 | 0.2392 | 0.0303 |
| 0.55 | 258 | -0.1683 | 0.2531 | 0.0302 |
| 0.55 | 270 | -0.2366 | 0.1753 | 0.0304 |
| 0.55 | 282 | -0.1215 | 0.1618 | 0.0301 |
| 0.55 | 294 | 0.0054 | 0.2152 | 0.03 |
| 0.65 | 66 | 0.0432 | 0.2179 | 0.03 |
| 0.65 | 78 | -0.0261 | 0.2318 | 0.03 |
| 0.65 | 102 | -0.3457 | 0.2178 | 0.0308 |
| 0.65 | 114 | 0.351 | 0.1718 | 0.0308 |
| 0.65 | 126 | 0.0683 | 0.1624 | 0.03 |
| 0.65 | 138 | 0.353 | 0.1896 | 0.0308 |
| 0.65 | 150 | 0.127 | 0.218 | 0.0301 |
| 0.65 | 198 | -0.0089 | 0.2174 | 0.03 |
| 0.65 | 210 | -0.2327 | 0.2076 | 0.0304 |
| 0.65 | 222 | -0.1463 | 0.164 | 0.0301 |
| 0.65 | 234 | 0.0408 | 0.2246 | 0.03 |
| 0.65 | 246 | -0.2756 | 0.2122 | 0.0305 |
| 0.65 | 258 | -0.0075 | 0.2414 | 0.03 |
| 0.65 | 270 | 0.0889 | 0.217 | 0.0301 |
| 0.65 | 282 | -0.0301 | 0.2483 | 0.03 |
| 0.65 | 294 | 0.1234 | 0.2179 | 0.0301 |
| 0.75 | 66 | 0.3683 | 0.2533 | 0.0309 |
| 0.75 | 102 | -0.149 | 0.2443 | 0.0301 |
| 0.75 | 114 | -0.0867 | 0.1855 | 0.0301 |
| 0.75 | 126 | 0.1234 | 0.1699 | 0.0301 |
| 0.75 | 138 | 0.014 | 0.2086 | 0.03 |
| 0.75 | 150 | 0.0207 | 0.2026 | 0.03 |
| 0.75 | 210 | -0.2823 | 0.2042 | 0.0305 |
| 0.75 | 222 | -0.0006 | 0.2063 | 0.03 |
| 0.75 | 234 | 0.0784 | 0.1981 | 0.03 |
| 0.75 | 246 | -0.0113 | 0.2099 | 0.03 |
| 0.75 | 282 | -0.0142 | 0.1668 | 0.03 |
| 0.75 | 294 | 0.0233 | 0.2154 | 0.03 |
| 0.85 | 90 | -0.203 | 0.2457 | 0.0303 |
| 0.85 | 102 | -0.0355 | 0.2166 | 0.03 |
| 0.85 | 114 | 0.2643 | 0.221 | 0.0305 |
| 0.85 | 198 | -0.0541 | 0.2213 | 0.03 |
| 0.85 | 210 | -0.044 | 0.2469 | 0.03 |
| 0.85 | 222 | 0.1724 | 0.2142 | 0.0302 |
| 0.85 | 234 | 0.1449 | 0.1778 | 0.0301 |
| 0.85 | 246 | 0.1245 | 0.2096 | 0.0301 |
| 0.85 | 258 | 0.374 | 0.2255 | 0.0309 |
| 0.95 | 234 | -0.3294 | 0.223 | 0.0307 |
| 0.25 | 282 | 0.2182 | 0.2528 | 0.0303 |
| 0.25 | 294 | 0.0157 | 0.2656 | 0.03 |
| 0.35 | 66 | -0.2419 | 0.1854 | 0.0304 |
| 0.35 | 78 | 0.1126 | 0.186 | 0.0301 |
| 0.35 | 90 | 0.4511 | 0.2325 | 0.0313 |
| 0.35 | 270 | -0.2855 | 0.2121 | 0.0305 |
| 0.35 | 282 | -0.0642 | 0.1691 | 0.03 |
| 0.35 | 294 | 0.0231 | 0.2043 | 0.03 |
| 0.45 | 66 | 0.1274 | 0.2052 | 0.0301 |
| 0.45 | 78 | 0.1631 | 0.1746 | 0.0302 |
| 0.45 | 90 | -0.0694 | 0.1851 | 0.03 |
| 0.45 | 102 | 0.073 | 0.2479 | 0.03 |
| 0.45 | 114 | -0.2281 | 0.1921 | 0.0303 |
| 0.45 | 258 | -0.4537 | 0.2318 | 0.0313 |
| 0.45 | 270 | 0.2097 | 0.1698 | 0.0303 |
| 0.45 | 282 | 0.299 | 0.1324 | 0.0306 |
| 0.45 | 294 | -0.1651 | 0.2228 | 0.0302 |
| 0.55 | 66 | 0.1233 | 0.2491 | 0.0301 |
| 0.55 | 78 | -0.1224 | 0.1776 | 0.0301 |
| 0.55 | 90 | -0.2651 | 0.1899 | 0.0305 |
| 0.55 | 114 | 0.0361 | 0.1964 | 0.03 |
| 0.55 | 126 | -0.186 | 0.1994 | 0.0302 |
| 0.55 | 138 | -0.4497 | 0.1798 | 0.0313 |
| 0.55 | 150 | -0.3253 | 0.2469 | 0.0307 |
| 0.55 | 210 | 0.1199 | 0.2238 | 0.0301 |
| 0.55 | 234 | -0.3039 | 0.2283 | 0.0306 |
| 0.55 | 246 | 0.2707 | 0.249 | 0.0305 |
| 0.55 | 258 | 0.1178 | 0.184 | 0.0301 |
| 0.55 | 270 | -0.1815 | 0.157 | 0.0302 |
| 0.55 | 282 | -0.1818 | 0.1656 | 0.0302 |
| 0.65 | 66 | -0.529 | 0.1793 | 0.0318 |
| 0.65 | 78 | 0.325 | 0.1747 | 0.0307 |
| 0.65 | 114 | 0.0667 | 0.1625 | 0.03 |
| 0.65 | 126 | -0.0155 | 0.1695 | 0.03 |
| 0.65 | 138 | 0.3817 | 0.1596 | 0.031 |
| 0.65 | 150 | 0.3833 | 0.2002 | 0.031 |
| 0.65 | 186 | -0.2001 | 0.2562 | 0.0303 |
| 0.65 | 198 | 0.1934 | 0.2432 | 0.0302 |
| 0.65 | 210 | -0.1387 | 0.1803 | 0.0301 |
| 0.65 | 222 | 0.498 | 0.1526 | 0.0316 |
| 0.65 | 234 | 0.1492 | 0.1482 | 0.0301 |
| 0.65 | 246 | 0.2603 | 0.1976 | 0.0304 |
| 0.65 | 258 | -0.2002 | 0.2004 | 0.0303 |
| 0.65 | 270 | 0.0022 | 0.1837 | 0.03 |
| 0.65 | 282 | 0.0088 | 0.2601 | 0.03 |
| 0.65 | 294 | -0.0215 | 0.1882 | 0.03 |
| 0.75 | 102 | -0.2009 | 0.2265 | 0.0303 |
| 0.75 | 114 | 0.2397 | 0.1745 | 0.0304 |
| 0.75 | 126 | -0.0713 | 0.1688 | 0.03 |
| 0.75 | 138 | 0.1988 | 0.1931 | 0.0303 |
| 0.75 | 150 | 0.1807 | 0.2254 | 0.0302 |
| 0.75 | 186 | -0.0354 | 0.2618 | 0.03 |
| 0.75 | 198 | 0.1879 | 0.2033 | 0.0302 |
| 0.75 | 210 | -0.0984 | 0.1959 | 0.0301 |
| 0.75 | 222 | -0.1169 | 0.168 | 0.0301 |
| 0.75 | 234 | -0.1595 | 0.1735 | 0.0302 |
| 0.75 | 246 | 0.1843 | 0.2 | 0.0302 |
| 0.75 | 282 | -0.1864 | 0.1615 | 0.0302 |
| 0.75 | 294 | -0.2667 | 0.2222 | 0.0305 |
| 0.85 | 90 | 0.0507 | 0.2423 | 0.03 |
| 0.85 | 102 | -0.0306 | 0.1997 | 0.03 |
| 0.85 | 114 | 0.0107 | 0.2021 | 0.03 |
| 0.85 | 126 | -0.1042 | 0.2256 | 0.0301 |
| 0.85 | 186 | 0.3569 | 0.2482 | 0.0308 |
| 0.85 | 210 | 0.2023 | 0.2188 | 0.0303 |
| 0.85 | 222 | -0.0112 | 0.1795 | 0.03 |
| 0.85 | 234 | -0.3311 | 0.1636 | 0.0307 |
| 0.85 | 246 | 0.1276 | 0.1871 | 0.0301 |
| 0.85 | 258 | -0.4627 | 0.2149 | 0.0314 |
| 0.95 | 210 | -0.4637 | 0.2194 | 0.0314 |
| 0.95 | 222 | 0.124 | 0.2222 | 0.0301 |
| 0.95 | 234 | 0.5615 | 0.212 | 0.032 |