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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 : | 0.0844 GeV2 | |
|---|---|---|
| W : | 1355 GeV | |
| ε : | 0.9353 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.2571 |
|
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 | 0.2669 | 0.274 | 0.0305 |
| 0.15 | 306 | 0.1846 | 0.2321 | 0.0302 |
| 0.25 | 66 | 0.0311 | 0.1917 | 0.03 |
| 0.25 | 78 | -0.2177 | 0.2335 | 0.0303 |
| 0.25 | 294 | -0.2478 | 0.1803 | 0.0304 |
| 0.25 | 306 | -0.07 | 0.2286 | 0.03 |
| 0.35 | 66 | 0.006 | 0.1679 | 0.03 |
| 0.35 | 78 | -0.2842 | 0.1629 | 0.0305 |
| 0.35 | 90 | 0.3441 | 0.2522 | 0.0308 |
| 0.35 | 282 | -0.0386 | 0.2127 | 0.03 |
| 0.35 | 294 | 0.0341 | 0.1941 | 0.03 |
| 0.35 | 306 | 0.2427 | 0.1993 | 0.0304 |
| 0.45 | 66 | -0.0177 | 0.1817 | 0.03 |
| 0.45 | 78 | -0.0429 | 0.1607 | 0.03 |
| 0.45 | 90 | 0.1194 | 0.2256 | 0.0301 |
| 0.45 | 270 | 0.405 | 0.2509 | 0.0311 |
| 0.45 | 282 | 0.2063 | 0.1928 | 0.0303 |
| 0.45 | 294 | 0.0277 | 0.1632 | 0.03 |
| 0.45 | 306 | 0.5832 | 0.1967 | 0.0322 |
| 0.55 | 66 | 0.064 | 0.1987 | 0.03 |
| 0.55 | 78 | -0.2408 | 0.1929 | 0.0304 |
| 0.55 | 90 | 0.1199 | 0.2188 | 0.0301 |
| 0.55 | 102 | 0.0908 | 0.2542 | 0.0301 |
| 0.55 | 258 | -0.2174 | 0.2267 | 0.0303 |
| 0.55 | 270 | -0.1602 | 0.2059 | 0.0302 |
| 0.55 | 282 | -0.0489 | 0.2118 | 0.03 |
| 0.55 | 294 | 0.165 | 0.219 | 0.0302 |
| 0.65 | 66 | 0.3154 | 0.2365 | 0.0307 |
| 0.65 | 78 | 0.1071 | 0.2179 | 0.0301 |
| 0.65 | 90 | 0.2584 | 0.2473 | 0.0304 |
| 0.65 | 102 | 0.1631 | 0.1973 | 0.0302 |
| 0.65 | 114 | -0.4915 | 0.1763 | 0.0316 |
| 0.65 | 126 | -0.1097 | 0.1832 | 0.0301 |
| 0.65 | 222 | -0.3018 | 0.2693 | 0.0306 |
| 0.65 | 234 | 0.0329 | 0.1994 | 0.03 |
| 0.65 | 246 | 0.1814 | 0.1668 | 0.0302 |
| 0.65 | 258 | -0.3727 | 0.1667 | 0.0309 |
| 0.65 | 270 | -0.1231 | 0.1881 | 0.0301 |
| 0.65 | 282 | 0.1924 | 0.2145 | 0.0302 |
| 0.75 | 90 | -0.0201 | 0.2187 | 0.03 |
| 0.75 | 102 | 0.0783 | 0.1626 | 0.03 |
| 0.75 | 114 | -0.0671 | 0.1576 | 0.03 |
| 0.75 | 126 | 0.014 | 0.1515 | 0.03 |
| 0.75 | 138 | -0.3742 | 0.1846 | 0.0309 |
| 0.75 | 150 | -0.0319 | 0.2201 | 0.03 |
| 0.75 | 222 | -0.1113 | 0.1638 | 0.0301 |
| 0.75 | 234 | -0.0498 | 0.1639 | 0.03 |
| 0.75 | 246 | 0.1361 | 0.1297 | 0.0301 |
| 0.75 | 258 | 0.1101 | 0.1714 | 0.0301 |
| 0.75 | 270 | 0.0551 | 0.171 | 0.03 |
| 0.75 | 282 | -0.4098 | 0.2395 | 0.0311 |
| 0.85 | 90 | 0.2431 | 0.2693 | 0.0304 |
| 0.85 | 102 | 0.2176 | 0.1655 | 0.0303 |
| 0.85 | 114 | 0.0645 | 0.1566 | 0.03 |
| 0.85 | 126 | -0.0783 | 0.1443 | 0.03 |
| 0.85 | 138 | 0.2485 | 0.1608 | 0.0304 |
| 0.85 | 150 | -0.1641 | 0.1845 | 0.0302 |
| 0.85 | 162 | -0.0596 | 0.21 | 0.03 |
| 0.85 | 210 | 0.159 | 0.2217 | 0.0302 |
| 0.85 | 222 | -0.1772 | 0.1745 | 0.0302 |
| 0.85 | 234 | 0.0232 | 0.1472 | 0.03 |
| 0.85 | 246 | 0.0913 | 0.1291 | 0.0301 |
| 0.85 | 258 | -0.0709 | 0.1595 | 0.03 |
| 0.85 | 270 | 0.2036 | 0.1505 | 0.0303 |
| 0.85 | 282 | -0.0949 | 0.2113 | 0.0301 |
| 0.95 | 114 | -0.3715 | 0.2036 | 0.0309 |
| 0.95 | 126 | 0.103 | 0.2167 | 0.0301 |
| 0.95 | 138 | 0.0434 | 0.2329 | 0.03 |
| 0.95 | 150 | -0.2127 | 0.2594 | 0.0303 |
| 0.95 | 210 | -0.2314 | 0.2128 | 0.0304 |
| 0.95 | 222 | 0.1203 | 0.1997 | 0.0301 |
| 0.95 | 234 | -0.3159 | 0.2117 | 0.0307 |
| 0.95 | 246 | 0.1885 | 0.1636 | 0.0302 |
| 0.95 | 258 | -0.2495 | 0.1894 | 0.0304 |
| 0.95 | 270 | 0.2325 | 0.2229 | 0.0304 |