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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 : | 0.1715 GeV2 | |
|---|---|---|
| W : | 1415 GeV | |
| ε : | 0.9156 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.3306 |
|
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 | -0.0367 | 0.2512 | 0.03 |
| 0.35 | 66 | -0.1825 | 0.2231 | 0.0302 |
| 0.45 | 282 | 0.0568 | 0.2345 | 0.03 |
| 0.65 | 90 | 0.2785 | 0.2474 | 0.0305 |
| 0.65 | 102 | 0.1753 | 0.2239 | 0.0302 |
| 0.65 | 114 | -0.2884 | 0.1978 | 0.0305 |
| 0.65 | 246 | -0.5491 | 0.1818 | 0.0319 |
| 0.65 | 258 | 0.2859 | 0.2368 | 0.0305 |
| 0.65 | 270 | 0.4082 | 0.2392 | 0.0311 |
| 0.75 | 90 | 0.0636 | 0.1984 | 0.03 |
| 0.75 | 102 | 0.145 | 0.1883 | 0.0301 |
| 0.75 | 114 | 0.1299 | 0.1974 | 0.0301 |
| 0.75 | 126 | -0.0377 | 0.2216 | 0.03 |
| 0.75 | 222 | 0.3175 | 0.2122 | 0.0307 |
| 0.75 | 234 | -0.2549 | 0.1967 | 0.0304 |
| 0.75 | 246 | -0.0827 | 0.1972 | 0.03 |
| 0.75 | 258 | -0.0435 | 0.2077 | 0.03 |
| 0.75 | 270 | -0.2619 | 0.2309 | 0.0305 |
| 0.85 | 78 | 0.1645 | 0.2226 | 0.0302 |
| 0.85 | 102 | 0.0753 | 0.1855 | 0.03 |
| 0.85 | 114 | -0.0235 | 0.1949 | 0.03 |
| 0.85 | 126 | -0.1137 | 0.2235 | 0.0301 |
| 0.85 | 138 | 0.0629 | 0.2185 | 0.03 |
| 0.85 | 234 | 0.0786 | 0.2542 | 0.03 |
| 0.85 | 246 | 0.1941 | 0.2098 | 0.0303 |
| 0.85 | 258 | -0.1046 | 0.1971 | 0.0301 |
| 0.85 | 270 | -0.231 | 0.1926 | 0.0304 |
| 0.85 | 282 | -0.0808 | 0.1756 | 0.03 |
| 0.85 | 294 | -0.1086 | 0.2588 | 0.0301 |
| 0.95 | 234 | 0.2007 | 0.2453 | 0.0303 |
| 0.95 | 246 | 0.0648 | 0.2063 | 0.03 |
| 0.95 | 258 | -0.1185 | 0.1975 | 0.0301 |
| 0.95 | 270 | -0.3678 | 0.2081 | 0.0309 |
| 0.95 | 282 | -0.1471 | 0.1815 | 0.0301 |
| 0.95 | 294 | 0.0515 | 0.2246 | 0.03 |
| 0.25 | 294 | -0.315 | 0.2322 | 0.0307 |
| 0.35 | 66 | 0.4416 | 0.232 | 0.0313 |
| 0.45 | 78 | 0.2794 | 0.2356 | 0.0305 |
| 0.45 | 294 | 0.2038 | 0.2413 | 0.0303 |
| 0.65 | 102 | -0.1998 | 0.2369 | 0.0303 |
| 0.65 | 114 | -0.0809 | 0.2284 | 0.03 |
| 0.65 | 246 | -0.1346 | 0.2611 | 0.0301 |
| 0.65 | 258 | -0.3404 | 0.1906 | 0.0308 |
| 0.75 | 90 | 0.0198 | 0.2313 | 0.03 |
| 0.75 | 102 | -0.2056 | 0.2065 | 0.0303 |
| 0.75 | 114 | -0.2081 | 0.2109 | 0.0303 |
| 0.75 | 126 | 0.1309 | 0.2224 | 0.0301 |
| 0.75 | 234 | 0.0157 | 0.242 | 0.03 |
| 0.75 | 246 | -0.0237 | 0.2293 | 0.03 |
| 0.75 | 270 | -0.0874 | 0.2389 | 0.0301 |
| 0.85 | 78 | 0.0216 | 0.2643 | 0.03 |
| 0.85 | 102 | -0.2094 | 0.2163 | 0.0303 |
| 0.85 | 114 | -0.0655 | 0.2362 | 0.03 |
| 0.85 | 126 | 0.1342 | 0.2354 | 0.0301 |
| 0.85 | 234 | 0.0816 | 0.2085 | 0.03 |
| 0.85 | 258 | -0.2685 | 0.2093 | 0.0305 |
| 0.85 | 270 | -0.2635 | 0.2013 | 0.0305 |
| 0.85 | 282 | -0.1725 | 0.2431 | 0.0302 |
| 0.95 | 246 | -0.0118 | 0.266 | 0.03 |
| 0.95 | 282 | 0.0814 | 0.2612 | 0.03 |