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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 : | 0.101 GeV2 | |
|---|---|---|
| W : | 1535 GeV | |
| ε : | 0.9411 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.1346 |
|
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 | 66 | 0.7685 | 0.1677 | 0.0337 |
| 0.25 | 66 | -0.1504 | 0.1906 | 0.0302 |
| 0.25 | 78 | 0.1631 | 0.1889 | 0.0302 |
| 0.25 | 282 | 0.3587 | 0.1998 | 0.0308 |
| 0.25 | 294 | 0.0996 | 0.2107 | 0.0301 |
| 0.35 | 66 | -0.3432 | 0.1919 | 0.0308 |
| 0.35 | 78 | -0.2872 | 0.1753 | 0.0305 |
| 0.35 | 270 | -0.028 | 0.185 | 0.03 |
| 0.35 | 282 | 0.1849 | 0.1659 | 0.0302 |
| 0.35 | 294 | -0.1954 | 0.1737 | 0.0303 |
| 0.45 | 66 | 0.2334 | 0.1875 | 0.0304 |
| 0.45 | 78 | 0.0424 | 0.2236 | 0.03 |
| 0.45 | 102 | 0.2639 | 0.2434 | 0.0305 |
| 0.45 | 114 | 0.2055 | 0.2126 | 0.0303 |
| 0.45 | 258 | 0.1272 | 0.2627 | 0.0301 |
| 0.45 | 270 | 0.0013 | 0.2057 | 0.03 |
| 0.45 | 282 | 0.235 | 0.1594 | 0.0304 |
| 0.45 | 294 | 0.1635 | 0.1983 | 0.0302 |
| 0.55 | 54 | 0.4924 | 0.2217 | 0.0316 |
| 0.55 | 66 | 0.0494 | 0.2003 | 0.03 |
| 0.55 | 102 | -0.1075 | 0.1713 | 0.0301 |
| 0.55 | 114 | 0.2232 | 0.166 | 0.0303 |
| 0.55 | 126 | -0.045 | 0.1823 | 0.03 |
| 0.55 | 138 | -0.0501 | 0.2485 | 0.03 |
| 0.55 | 222 | 0.6354 | 0.2026 | 0.0326 |
| 0.55 | 234 | -0.0121 | 0.2492 | 0.03 |
| 0.55 | 246 | 0.0772 | 0.259 | 0.03 |
| 0.55 | 258 | 0.1049 | 0.214 | 0.0301 |
| 0.55 | 270 | 0.2188 | 0.1516 | 0.0303 |
| 0.55 | 282 | -0.1414 | 0.1815 | 0.0301 |
| 0.55 | 294 | -0.0273 | 0.2507 | 0.03 |
| 0.65 | 54 | 0.2177 | 0.2132 | 0.0303 |
| 0.65 | 90 | 0.0094 | 0.2225 | 0.03 |
| 0.65 | 102 | -0.1262 | 0.1565 | 0.0301 |
| 0.65 | 114 | 0.0708 | 0.1435 | 0.03 |
| 0.65 | 126 | 0.3869 | 0.1433 | 0.031 |
| 0.65 | 138 | 0.0503 | 0.2205 | 0.03 |
| 0.65 | 150 | -0.0748 | 0.2334 | 0.03 |
| 0.65 | 186 | 0.1583 | 0.2626 | 0.0302 |
| 0.65 | 198 | 0.1513 | 0.2213 | 0.0302 |
| 0.65 | 210 | -0.0383 | 0.2079 | 0.03 |
| 0.65 | 222 | 0.1465 | 0.1703 | 0.0301 |
| 0.65 | 234 | -0.2249 | 0.1528 | 0.0303 |
| 0.65 | 246 | -0.252 | 0.1982 | 0.0304 |
| 0.65 | 258 | 0.1023 | 0.2213 | 0.0301 |
| 0.65 | 270 | 0.06 | 0.2502 | 0.03 |
| 0.65 | 282 | -0.3131 | 0.2473 | 0.0306 |
| 0.65 | 294 | 0.0818 | 0.1974 | 0.03 |
| 0.65 | 306 | 0.0712 | 0.2215 | 0.03 |
| 0.75 | 78 | -0.0936 | 0.2525 | 0.0301 |
| 0.75 | 90 | 0.3738 | 0.1707 | 0.0309 |
| 0.75 | 102 | 0.2717 | 0.1538 | 0.0305 |
| 0.75 | 114 | 0.1169 | 0.1337 | 0.0301 |
| 0.75 | 126 | 0.0391 | 0.1511 | 0.03 |
| 0.75 | 138 | -0.1618 | 0.1638 | 0.0302 |
| 0.75 | 150 | -0.0311 | 0.2268 | 0.03 |
| 0.75 | 186 | 0.088 | 0.2186 | 0.0301 |
| 0.75 | 198 | -0.2399 | 0.171 | 0.0304 |
| 0.75 | 210 | -0.2214 | 0.1625 | 0.0303 |
| 0.75 | 222 | -0.1095 | 0.163 | 0.0301 |
| 0.75 | 234 | 0.0097 | 0.1396 | 0.03 |
| 0.75 | 246 | -0.0034 | 0.1675 | 0.03 |
| 0.75 | 258 | -0.2853 | 0.2239 | 0.0305 |
| 0.75 | 282 | -0.241 | 0.1993 | 0.0304 |
| 0.75 | 294 | -0.3883 | 0.1637 | 0.031 |
| 0.85 | 78 | 0.1744 | 0.1533 | 0.0302 |
| 0.85 | 90 | 0.1117 | 0.1719 | 0.0301 |
| 0.85 | 102 | -0.0668 | 0.1832 | 0.03 |
| 0.85 | 114 | -0.0894 | 0.1953 | 0.0301 |
| 0.85 | 126 | 0.2516 | 0.1735 | 0.0304 |
| 0.85 | 138 | -0.047 | 0.1873 | 0.03 |
| 0.85 | 150 | -0.0029 | 0.2647 | 0.03 |
| 0.85 | 186 | 0.5926 | 0.1612 | 0.0323 |
| 0.85 | 198 | 0.0797 | 0.2011 | 0.03 |
| 0.85 | 210 | 0.1032 | 0.1584 | 0.0301 |
| 0.85 | 222 | 0.1874 | 0.1298 | 0.0302 |
| 0.85 | 234 | -0.1382 | 0.1303 | 0.0301 |
| 0.85 | 246 | -0.0786 | 0.1479 | 0.03 |
| 0.85 | 258 | 0.0392 | 0.1669 | 0.03 |
| 0.85 | 270 | -0.1839 | 0.2899 | 0.0302 |
| 0.85 | 282 | -0.1509 | 0.2739 | 0.0302 |
| 0.95 | 90 | 0.066 | 0.2848 | 0.03 |
| 0.95 | 102 | 0.1683 | 0.1894 | 0.0302 |
| 0.95 | 114 | -0.35 | 0.2164 | 0.0308 |
| 0.95 | 174 | -0.0168 | 0.2531 | 0.03 |
| 0.95 | 186 | 0.1317 | 0.2759 | 0.0301 |
| 0.95 | 198 | 0.0653 | 0.2395 | 0.03 |
| 0.95 | 210 | 0.4088 | 0.1879 | 0.0311 |
| 0.95 | 222 | 0.0142 | 0.1827 | 0.03 |
| 0.95 | 234 | 0.1462 | 0.1571 | 0.0301 |
| 0.95 | 246 | -0.2584 | 0.1536 | 0.0304 |
| 0.95 | 258 | -0.0592 | 0.1569 | 0.03 |
| 0.95 | 270 | -0.4433 | 0.1815 | 0.0313 |