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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 : | 1265 GeV | |
| ε : | 0.9685 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.4453 |
|
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 |
|---|---|---|---|---|
| 0.35 | 66 | -0.1848 | 0.2031 | 0.0302 |
| 0.35 | 78 | 0.0102 | 0.2136 | 0.03 |
| 0.35 | 294 | -0.1661 | 0.2593 | 0.0302 |
| 0.45 | 66 | 0.0398 | 0.2145 | 0.03 |
| 0.45 | 78 | 0.0342 | 0.2028 | 0.03 |
| 0.45 | 282 | -0.5098 | 0.2047 | 0.0317 |
| 0.55 | 78 | -0.0245 | 0.1815 | 0.03 |
| 0.55 | 90 | -0.221 | 0.2558 | 0.0303 |
| 0.55 | 270 | -0.4392 | 0.1956 | 0.0313 |
| 0.55 | 282 | 0.159 | 0.1953 | 0.0302 |
| 0.55 | 294 | -0.1902 | 0.2374 | 0.0302 |
| 0.65 | 78 | -0.1298 | 0.207 | 0.0301 |
| 0.65 | 90 | 0.0621 | 0.2104 | 0.03 |
| 0.65 | 258 | -0.2472 | 0.1896 | 0.0304 |
| 0.65 | 270 | -0.018 | 0.1591 | 0.03 |
| 0.65 | 282 | 0.0391 | 0.199 | 0.03 |
| 0.75 | 90 | -0.0275 | 0.2232 | 0.03 |
| 0.75 | 102 | 0.1066 | 0.2165 | 0.0301 |
| 0.75 | 114 | -0.2301 | 0.2016 | 0.0304 |
| 0.75 | 126 | 0.1018 | 0.218 | 0.0301 |
| 0.75 | 246 | -0.1354 | 0.2007 | 0.0301 |
| 0.75 | 258 | -0.2347 | 0.1528 | 0.0304 |
| 0.75 | 270 | -0.0867 | 0.1609 | 0.0301 |
| 0.75 | 282 | -0.3005 | 0.2005 | 0.0306 |
| 0.85 | 90 | -0.2958 | 0.2127 | 0.0306 |
| 0.85 | 102 | 0.2369 | 0.2297 | 0.0304 |
| 0.85 | 114 | 0.0348 | 0.1668 | 0.03 |
| 0.85 | 126 | 0.2551 | 0.1543 | 0.0304 |
| 0.85 | 138 | 0.1 | 0.1883 | 0.0301 |
| 0.85 | 150 | 0.069 | 0.2172 | 0.03 |
| 0.85 | 234 | -0.2629 | 0.2017 | 0.0305 |
| 0.85 | 246 | -0.1395 | 0.185 | 0.0301 |
| 0.85 | 258 | -0.1409 | 0.1778 | 0.0301 |
| 0.85 | 270 | -0.0722 | 0.1753 | 0.03 |
| 0.85 | 282 | -0.0262 | 0.2272 | 0.03 |
| 0.95 | 102 | -0.2738 | 0.252 | 0.0305 |
| 0.95 | 126 | 0.1075 | 0.1949 | 0.0301 |
| 0.95 | 138 | -0.0258 | 0.2218 | 0.03 |
| 0.95 | 150 | -0.1334 | 0.2451 | 0.0301 |
| 0.95 | 162 | 0.2313 | 0.03 | |
| 0.95 | 174 | -0.3279 | 0.2335 | 0.0307 |
| 0.25 | 66 | 0.2226 | 0.2177 | 0.0303 |
| 0.25 | 294 | -0.232 | 0.2437 | 0.0304 |
| 0.25 | 306 | 0.332 | 0.2445 | 0.0307 |
| 0.35 | 66 | 0.0417 | 0.1669 | 0.03 |
| 0.35 | 78 | -0.1048 | 0.164 | 0.0301 |
| 0.35 | 294 | -0.09 | 0.2677 | 0.0301 |
| 0.45 | 66 | 0.1214 | 0.2185 | 0.0301 |
| 0.45 | 78 | -0.0081 | 0.1775 | 0.03 |
| 0.45 | 90 | 0.0049 | 0.2443 | 0.03 |
| 0.45 | 282 | -0.0046 | 0.258 | 0.03 |
| 0.45 | 294 | -0.0705 | 0.2299 | 0.03 |
| 0.55 | 66 | 0.105 | 0.2351 | 0.0301 |
| 0.55 | 78 | -0.2235 | 0.1668 | 0.0303 |
| 0.55 | 90 | 0.1276 | 0.2266 | 0.0301 |
| 0.55 | 258 | 0.0972 | 0.2377 | 0.0301 |
| 0.55 | 270 | 0.2034 | 0.1958 | 0.0303 |
| 0.55 | 282 | -0.1792 | 0.1907 | 0.0302 |
| 0.55 | 294 | -0.0488 | 0.2511 | 0.03 |
| 0.65 | 78 | -0.331 | 0.2193 | 0.0307 |
| 0.65 | 90 | -0.101 | 0.2329 | 0.0301 |
| 0.65 | 246 | 0.2811 | 0.2439 | 0.0305 |
| 0.65 | 258 | 0.037 | 0.1764 | 0.03 |
| 0.65 | 270 | -0.1007 | 0.1506 | 0.0301 |
| 0.65 | 282 | 0.0157 | 0.1756 | 0.03 |
| 0.75 | 90 | 0.0367 | 0.218 | 0.03 |
| 0.75 | 102 | 0.3694 | 0.1955 | 0.0309 |
| 0.75 | 114 | 0.0817 | 0.2033 | 0.03 |
| 0.75 | 126 | -0.0808 | 0.2459 | 0.03 |
| 0.75 | 234 | -0.3883 | 0.2327 | 0.031 |
| 0.75 | 246 | -0.134 | 0.1905 | 0.0301 |
| 0.75 | 258 | -0.0342 | 0.1398 | 0.03 |
| 0.75 | 270 | 0.0425 | 0.1397 | 0.03 |
| 0.75 | 282 | -0.0522 | 0.1819 | 0.03 |
| 0.85 | 90 | 0.0944 | 0.2195 | 0.0301 |
| 0.85 | 102 | -0.0953 | 0.1565 | 0.0301 |
| 0.85 | 114 | 0.2155 | 0.1509 | 0.0303 |
| 0.85 | 126 | -0.0759 | 0.1629 | 0.03 |
| 0.85 | 138 | 0.0761 | 0.1692 | 0.03 |
| 0.85 | 150 | 0.0655 | 0.1849 | 0.03 |
| 0.85 | 162 | 0.2164 | 0.2336 | 0.0303 |
| 0.85 | 222 | 0.3714 | 0.1958 | 0.0309 |
| 0.85 | 234 | -0.3085 | 0.1813 | 0.0306 |
| 0.85 | 246 | -0.1411 | 0.1783 | 0.0301 |
| 0.85 | 258 | -0.3429 | 0.139 | 0.0308 |
| 0.85 | 270 | 0.015 | 0.1639 | 0.03 |
| 0.85 | 282 | -0.0949 | 0.2351 | 0.0301 |
| 0.95 | 102 | 0.1546 | 0.2504 | 0.0302 |
| 0.95 | 114 | 0.011 | 0.2046 | 0.03 |
| 0.95 | 126 | 0.0521 | 0.1815 | 0.03 |
| 0.95 | 138 | -0.249 | 0.2087 | 0.0304 |
| 0.95 | 150 | -0.1382 | 0.1763 | 0.0301 |
| 0.95 | 162 | 0.2662 | 0.1902 | 0.0305 |
| 0.95 | 174 | -0.2956 | 0.2298 | 0.0306 |
| 0.95 | 186 | -0.0411 | 0.248 | 0.03 |
| 0.95 | 198 | -0.1462 | 0.2239 | 0.0301 |
| 0.95 | 210 | -0.0677 | 0.2583 | 0.03 |
| 0.95 | 222 | 0.2604 | 0.221 | 0.0304 |
| 0.95 | 234 | 0.1971 | 0.2041 | 0.0303 |
| 0.95 | 246 | 0.1522 | 0.2131 | 0.0302 |