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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 : | 1385 GeV | |
| ε : | 0.9255 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.2185 |
|
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 | 306 | -0.3953 | 0.2285 | 0.031 |
| 0.25 | 54 | 0.3628 | 0.2558 | 0.0309 |
| 0.25 | 66 | 0.3331 | 0.1822 | 0.0307 |
| 0.25 | 78 | 0.2841 | 0.2257 | 0.0305 |
| 0.25 | 282 | 0.1991 | 0.224 | 0.0303 |
| 0.25 | 294 | -0.2081 | 0.2166 | 0.0303 |
| 0.25 | 306 | -0.2645 | 0.2032 | 0.0305 |
| 0.35 | 66 | 0.2086 | 0.1575 | 0.0303 |
| 0.35 | 78 | -0.1438 | 0.1805 | 0.0301 |
| 0.35 | 90 | -0.2404 | 0.2743 | 0.0304 |
| 0.35 | 282 | 0.1579 | 0.1927 | 0.0302 |
| 0.35 | 294 | 0.0471 | 0.1868 | 0.03 |
| 0.35 | 306 | -0.2539 | 0.2347 | 0.0304 |
| 0.45 | 66 | 0.4207 | 0.1825 | 0.0312 |
| 0.45 | 78 | -0.044 | 0.1594 | 0.03 |
| 0.45 | 90 | -0.2347 | 0.2212 | 0.0304 |
| 0.45 | 270 | 0.2079 | 0.2114 | 0.0303 |
| 0.45 | 282 | -0.1581 | 0.1806 | 0.0302 |
| 0.45 | 294 | -0.2906 | 0.1855 | 0.0306 |
| 0.45 | 306 | -0.4184 | 0.2301 | 0.0311 |
| 0.55 | 66 | -0.2373 | 0.2101 | 0.0304 |
| 0.55 | 78 | -0.0291 | 0.1677 | 0.03 |
| 0.55 | 90 | 0.1705 | 0.214 | 0.0302 |
| 0.55 | 102 | 0.1365 | 0.2615 | 0.0301 |
| 0.55 | 114 | 0.2467 | 0.1956 | 0.0304 |
| 0.55 | 246 | -0.0595 | 0.2357 | 0.03 |
| 0.55 | 258 | 0.2806 | 0.2263 | 0.0305 |
| 0.55 | 270 | -0.0018 | 0.2238 | 0.03 |
| 0.55 | 282 | 0.079 | 0.1774 | 0.03 |
| 0.55 | 294 | -0.1753 | 0.2039 | 0.0302 |
| 0.65 | 66 | -0.1763 | 0.2138 | 0.0302 |
| 0.65 | 78 | 0.2236 | 0.233 | 0.0303 |
| 0.65 | 90 | -0.2325 | 0.2601 | 0.0304 |
| 0.65 | 102 | 0.3474 | 0.1701 | 0.0308 |
| 0.65 | 114 | 0.0819 | 0.1659 | 0.03 |
| 0.65 | 126 | 0.0366 | 0.1887 | 0.03 |
| 0.65 | 138 | -0.3361 | 0.2141 | 0.0307 |
| 0.65 | 234 | -0.3834 | 0.2063 | 0.031 |
| 0.65 | 246 | -0.3404 | 0.1701 | 0.0308 |
| 0.65 | 258 | -0.1001 | 0.183 | 0.0301 |
| 0.65 | 270 | -0.1816 | 0.1889 | 0.0302 |
| 0.65 | 282 | 0.0315 | 0.2219 | 0.03 |
| 0.65 | 294 | 0.0091 | 0.2772 | 0.03 |
| 0.75 | 78 | 0.2263 | 0.2612 | 0.0303 |
| 0.75 | 90 | 0.1516 | 0.2088 | 0.0302 |
| 0.75 | 102 | 0.1631 | 0.1549 | 0.0302 |
| 0.75 | 114 | 0.2165 | 0.1328 | 0.0303 |
| 0.75 | 126 | 0.0781 | 0.156 | 0.03 |
| 0.75 | 138 | 0.3695 | 0.1587 | 0.0309 |
| 0.75 | 150 | -0.3993 | 0.2323 | 0.031 |
| 0.75 | 162 | 0.0369 | 0.2694 | 0.03 |
| 0.75 | 210 | -0.2079 | 0.24 | 0.0303 |
| 0.75 | 222 | -0.1306 | 0.1639 | 0.0301 |
| 0.75 | 234 | 0.208 | 0.1455 | 0.0303 |
| 0.75 | 246 | -0.0934 | 0.1424 | 0.0301 |
| 0.75 | 258 | -0.1163 | 0.1455 | 0.0301 |
| 0.75 | 270 | -0.1075 | 0.2053 | 0.0301 |
| 0.75 | 282 | -0.9048 | 0.1362 | 0.035 |
| 0.85 | 90 | 0.5194 | 0.2166 | 0.0317 |
| 0.85 | 102 | -0.0948 | 0.1757 | 0.0301 |
| 0.85 | 114 | -0.0564 | 0.1689 | 0.03 |
| 0.85 | 126 | 0.1117 | 0.155 | 0.0301 |
| 0.85 | 138 | -0.2277 | 0.1755 | 0.0303 |
| 0.85 | 150 | -0.165 | 0.2001 | 0.0302 |
| 0.85 | 162 | 0.4296 | 0.2261 | 0.0312 |
| 0.85 | 198 | 0.3522 | 0.2485 | 0.0308 |
| 0.85 | 222 | -0.076 | 0.1664 | 0.03 |
| 0.85 | 234 | 0.0825 | 0.1549 | 0.03 |
| 0.85 | 246 | 0.2561 | 0.1444 | 0.0304 |
| 0.85 | 258 | 0.0654 | 0.1464 | 0.03 |
| 0.85 | 270 | -0.3014 | 0.1573 | 0.0306 |
| 0.85 | 282 | -0.3641 | 0.2062 | 0.0309 |
| 0.95 | 102 | 0.3395 | 0.2293 | 0.0308 |
| 0.95 | 114 | -0.0639 | 0.26 | 0.03 |
| 0.95 | 126 | 0.1632 | 0.2675 | 0.0302 |
| 0.95 | 210 | -0.2811 | 0.2756 | 0.0305 |
| 0.95 | 222 | -0.1806 | 0.1853 | 0.0302 |
| 0.95 | 234 | 0.04 | 0.1927 | 0.03 |
| 0.95 | 246 | 0.0432 | 0.1999 | 0.03 |
| 0.95 | 258 | -0.0417 | 0.2134 | 0.03 |
| 0.95 | 270 | 0.2215 | 0.2022 | 0.0303 |