You are not logged in.
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 : | 0.2445 GeV2 | |
|---|---|---|
| W : | 1415 GeV | |
| ε : | 0.9457 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.4362 |
|
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 |
|---|---|---|---|---|
| 0.05 | 54 | -0.3176 | 0.2279 | 0.0307 |
| 0.05 | 66 | -0.1673 | 0.2435 | 0.0302 |
| 0.05 | 294 | -0.2024 | 0.2255 | 0.0303 |
| 0.05 | 306 | -0.1547 | 0.2548 | 0.0302 |
| 0.15 | 54 | 0.3594 | 0.179 | 0.0308 |
| 0.15 | 66 | -0.0792 | 0.2278 | 0.03 |
| 0.15 | 294 | 0.1125 | 0.2005 | 0.0301 |
| 0.15 | 306 | 0.0382 | 0.2024 | 0.03 |
| 0.25 | 54 | -0.0225 | 0.1934 | 0.03 |
| 0.25 | 66 | -0.336 | 0.1765 | 0.0307 |
| 0.25 | 78 | -0.1576 | 0.2105 | 0.0302 |
| 0.25 | 282 | 0.2738 | 0.1932 | 0.0305 |
| 0.25 | 294 | 0.0729 | 0.1929 | 0.03 |
| 0.25 | 306 | 0.0406 | 0.2315 | 0.03 |
| 0.35 | 54 | 0.2359 | 0.2273 | 0.0304 |
| 0.35 | 66 | 0.1508 | 0.1924 | 0.0302 |
| 0.35 | 78 | -0.4389 | 0.2011 | 0.0313 |
| 0.35 | 282 | 0.2865 | 0.1965 | 0.0305 |
| 0.35 | 294 | 0.0161 | 0.1784 | 0.03 |
| 0.35 | 306 | 0.0539 | 0.2343 | 0.03 |
| 0.35 | 318 | -0.2939 | 0.2855 | 0.0306 |
| 0.45 | 54 | -0.1075 | 0.2644 | 0.0301 |
| 0.45 | 66 | 0.3479 | 0.2422 | 0.0308 |
| 0.45 | 78 | -0.5043 | 0.2662 | 0.0317 |
| 0.45 | 90 | 0.069 | 0.2295 | 0.03 |
| 0.45 | 102 | 0.3837 | 0.2478 | 0.031 |
| 0.45 | 270 | 0.1472 | 0.2581 | 0.0301 |
| 0.45 | 282 | 0.0042 | 0.2306 | 0.03 |
| 0.45 | 294 | -0.0596 | 0.2073 | 0.03 |
| 0.45 | 306 | -0.0624 | 0.2239 | 0.03 |
| 0.55 | 54 | -0.0517 | 0.275 | 0.03 |
| 0.55 | 66 | 0.4684 | 0.2412 | 0.0314 |
| 0.55 | 78 | 0.1973 | 0.201 | 0.0303 |
| 0.55 | 90 | 0.1628 | 0.1843 | 0.0302 |
| 0.55 | 102 | 0.0395 | 0.1579 | 0.03 |
| 0.55 | 114 | -0.2503 | 0.238 | 0.0304 |
| 0.55 | 258 | 0.2017 | 0.2137 | 0.0303 |
| 0.55 | 270 | -0.4279 | 0.2309 | 0.0312 |
| 0.55 | 282 | -0.2606 | 0.2215 | 0.0304 |
| 0.55 | 294 | 0.0862 | 0.2498 | 0.03 |
| 0.55 | 306 | 0.1605 | 0.2187 | 0.0302 |
| 0.65 | 66 | 0.206 | 0.2434 | 0.0303 |
| 0.65 | 78 | -0.0678 | 0.1529 | 0.03 |
| 0.65 | 90 | 0.023 | 0.1308 | 0.03 |
| 0.65 | 102 | -0.191 | 0.1404 | 0.0302 |
| 0.65 | 114 | 0.0093 | 0.1563 | 0.03 |
| 0.65 | 234 | 0.115 | 0.2531 | 0.0301 |
| 0.65 | 246 | -0.2928 | 0.1586 | 0.0306 |
| 0.65 | 258 | -0.1209 | 0.1689 | 0.0301 |
| 0.65 | 270 | 0.1144 | 0.1735 | 0.0301 |
| 0.65 | 282 | -0.1437 | 0.1899 | 0.0301 |
| 0.65 | 306 | 0.133 | 0.2455 | 0.0301 |
| 0.75 | 54 | -0.2039 | 0.1935 | 0.0303 |
| 0.75 | 66 | -0.4081 | 0.1941 | 0.0311 |
| 0.75 | 78 | 0.0198 | 0.1251 | 0.03 |
| 0.75 | 90 | 0.3269 | 0.1245 | 0.0307 |
| 0.75 | 102 | -0.0614 | 0.1248 | 0.03 |
| 0.75 | 114 | -0.0615 | 0.1432 | 0.03 |
| 0.75 | 126 | 0.0829 | 0.1807 | 0.03 |
| 0.75 | 138 | 0.1714 | 0.2607 | 0.0302 |
| 0.75 | 210 | -0.1457 | 0.2558 | 0.0301 |
| 0.75 | 222 | 0.0225 | 0.1826 | 0.03 |
| 0.75 | 234 | 0.0148 | 0.1544 | 0.03 |
| 0.75 | 246 | 0.2007 | 0.1472 | 0.0303 |
| 0.75 | 258 | 0.0549 | 0.1428 | 0.03 |
| 0.75 | 270 | -0.0784 | 0.1294 | 0.03 |
| 0.75 | 282 | -0.0542 | 0.1884 | 0.03 |
| 0.75 | 294 | -0.0604 | 0.2141 | 0.03 |
| 0.85 | 54 | 0.0266 | 0.1882 | 0.03 |
| 0.85 | 66 | 0.1189 | 0.1466 | 0.0301 |
| 0.85 | 78 | -0.244 | 0.2028 | 0.0304 |
| 0.85 | 90 | -0.0874 | 0.1411 | 0.0301 |
| 0.85 | 102 | 0.228 | 0.1216 | 0.0303 |
| 0.85 | 114 | 0.0312 | 0.1309 | 0.03 |
| 0.85 | 126 | 0.0868 | 0.1584 | 0.0301 |
| 0.85 | 138 | -0.1868 | 0.194 | 0.0302 |
| 0.85 | 150 | 0.0792 | 0.2266 | 0.03 |
| 0.85 | 174 | -0.0405 | 0.2533 | 0.03 |
| 0.85 | 198 | -0.0618 | 0.201 | 0.03 |
| 0.85 | 210 | -0.2583 | 0.1945 | 0.0304 |
| 0.85 | 222 | 0.1576 | 0.1506 | 0.0302 |
| 0.85 | 234 | -0.1542 | 0.1355 | 0.0302 |
| 0.85 | 246 | -0.0304 | 0.1307 | 0.03 |
| 0.85 | 258 | -0.0221 | 0.1309 | 0.03 |
| 0.85 | 270 | 0.0757 | 0.1161 | 0.03 |
| 0.85 | 282 | -0.1042 | 0.129 | 0.0301 |
| 0.85 | 294 | 0.0482 | 0.1373 | 0.03 |
| 0.85 | 306 | -0.0968 | 0.1622 | 0.0301 |
| 0.95 | 54 | -0.1499 | 0.2239 | 0.0301 |
| 0.95 | 66 | 0.5105 | 0.1991 | 0.0317 |
| 0.95 | 78 | 0.3018 | 0.2657 | 0.0306 |
| 0.95 | 90 | 0.3951 | 0.1844 | 0.031 |
| 0.95 | 102 | 0.1096 | 0.2219 | 0.0301 |
| 0.95 | 114 | -0.0964 | 0.1788 | 0.0301 |
| 0.95 | 126 | -0.4605 | 0.1742 | 0.0314 |
| 0.95 | 138 | -0.2559 | 0.1961 | 0.0304 |
| 0.95 | 162 | 0.1313 | 0.2436 | 0.0301 |
| 0.95 | 186 | 0.2852 | 0.2401 | 0.0305 |
| 0.95 | 198 | -0.0653 | 0.2185 | 0.03 |
| 0.95 | 210 | -0.1695 | 0.1999 | 0.0302 |
| 0.95 | 222 | 0.3061 | 0.1524 | 0.0306 |
| 0.95 | 234 | -0.0424 | 0.1818 | 0.03 |
| 0.95 | 246 | -0.162 | 0.1548 | 0.0302 |
| 0.95 | 258 | -0.2391 | 0.1567 | 0.0304 |
| 0.95 | 270 | 0.1747 | 0.1549 | 0.0302 |
| 0.95 | 282 | 0.011 | 0.1519 | 0.03 |
| 0.95 | 294 | 0.2184 | 0.1381 | 0.0303 |
| 0.95 | 306 | -0.0927 | 0.1385 | 0.0301 |
| 0.95 | 318 | 0.1088 | 0.171 | 0.0301 |