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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 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1295 GeV | |
| ε : | 0.955 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.3163 |
|
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 | 306 | -0.2763 | 0.2473 | 0.0305 |
| 0.15 | 66 | 0.1046 | 0.2532 | 0.0301 |
| 0.15 | 306 | 0.0189 | 0.1871 | 0.03 |
| 0.15 | 318 | 0.0772 | 0.2498 | 0.03 |
| 0.25 | 54 | -0.0105 | 0.2661 | 0.03 |
| 0.25 | 66 | 0.4545 | 0.1726 | 0.0313 |
| 0.25 | 78 | -0.3496 | 0.1901 | 0.0308 |
| 0.25 | 294 | 0.141 | 0.1746 | 0.0301 |
| 0.25 | 306 | 0.134 | 0.1538 | 0.0301 |
| 0.25 | 318 | -0.3939 | 0.254 | 0.031 |
| 0.35 | 66 | 0.0367 | 0.1435 | 0.03 |
| 0.35 | 78 | 0.1542 | 0.1604 | 0.0302 |
| 0.35 | 282 | -0.1862 | 0.2219 | 0.0302 |
| 0.35 | 294 | 0.0048 | 0.1664 | 0.03 |
| 0.35 | 306 | -0.1607 | 0.1759 | 0.0302 |
| 0.45 | 66 | -0.1221 | 0.1282 | 0.0301 |
| 0.45 | 78 | 0.0666 | 0.1192 | 0.03 |
| 0.45 | 90 | 0.1229 | 0.18 | 0.0301 |
| 0.45 | 270 | 0.1033 | 0.2548 | 0.0301 |
| 0.45 | 282 | -0.1649 | 0.2341 | 0.0302 |
| 0.45 | 294 | -0.1442 | 0.1803 | 0.0301 |
| 0.45 | 306 | -0.4017 | 0.2536 | 0.0311 |
| 0.55 | 66 | 0.0784 | 0.1893 | 0.03 |
| 0.55 | 78 | 0.1568 | 0.1246 | 0.0302 |
| 0.55 | 90 | -0.3231 | 0.1681 | 0.0307 |
| 0.55 | 258 | 0.2113 | 0.1921 | 0.0303 |
| 0.55 | 270 | 0.05 | 0.1876 | 0.03 |
| 0.55 | 282 | -0.0611 | 0.1869 | 0.03 |
| 0.55 | 294 | -0.0395 | 0.2062 | 0.03 |
| 0.65 | 66 | -0.267 | 0.2057 | 0.0305 |
| 0.65 | 78 | -0.03 | 0.1667 | 0.03 |
| 0.65 | 90 | 0.252 | 0.1929 | 0.0304 |
| 0.65 | 102 | -0.2239 | 0.2242 | 0.0303 |
| 0.65 | 114 | 0.1119 | 0.2313 | 0.0301 |
| 0.65 | 234 | -0.0842 | 0.2283 | 0.03 |
| 0.65 | 246 | 0.1455 | 0.1655 | 0.0301 |
| 0.65 | 258 | 0.0662 | 0.1317 | 0.03 |
| 0.65 | 270 | -0.0521 | 0.1402 | 0.03 |
| 0.65 | 282 | 0.0366 | 0.2024 | 0.03 |
| 0.75 | 90 | -0.0297 | 0.1796 | 0.03 |
| 0.75 | 102 | -0.0567 | 0.1578 | 0.03 |
| 0.75 | 114 | 0.0819 | 0.159 | 0.03 |
| 0.75 | 126 | 0.2908 | 0.1425 | 0.0306 |
| 0.75 | 138 | 0.0865 | 0.1726 | 0.03 |
| 0.75 | 150 | -0.2157 | 0.2346 | 0.0303 |
| 0.75 | 210 | -0.1154 | 0.2522 | 0.0301 |
| 0.75 | 222 | 0.0281 | 0.2013 | 0.03 |
| 0.75 | 234 | 0.1933 | 0.1707 | 0.0302 |
| 0.75 | 246 | 0.0431 | 0.138 | 0.03 |
| 0.75 | 258 | -0.1144 | 0.1204 | 0.0301 |
| 0.75 | 270 | -0.0208 | 0.1333 | 0.03 |
| 0.75 | 282 | 0.3463 | 0.1401 | 0.0308 |
| 0.85 | 102 | -0.1062 | 0.1436 | 0.0301 |
| 0.85 | 114 | 0.0032 | 0.1226 | 0.03 |
| 0.85 | 126 | -0.1786 | 0.1315 | 0.0302 |
| 0.85 | 138 | -0.3075 | 0.1344 | 0.0306 |
| 0.85 | 150 | 0.1171 | 0.1563 | 0.0301 |
| 0.85 | 162 | 0.1698 | 0.1942 | 0.0302 |
| 0.85 | 174 | -0.0734 | 0.2451 | 0.03 |
| 0.85 | 186 | 0.0286 | 0.2362 | 0.03 |
| 0.85 | 198 | -0.2473 | 0.2463 | 0.0304 |
| 0.85 | 210 | -0.4029 | 0.2715 | 0.0311 |
| 0.85 | 222 | 0.0956 | 0.2375 | 0.0301 |
| 0.85 | 234 | -0.2526 | 0.1391 | 0.0304 |
| 0.85 | 246 | -0.0697 | 0.1316 | 0.03 |
| 0.85 | 258 | -0.0146 | 0.1168 | 0.03 |
| 0.85 | 270 | 0.2147 | 0.1464 | 0.0303 |
| 0.85 | 282 | -0.2147 | 0.2084 | 0.0303 |
| 0.95 | 114 | 0.0647 | 0.2026 | 0.03 |
| 0.95 | 126 | -0.262 | 0.1665 | 0.0305 |
| 0.95 | 138 | -0.166 | 0.1786 | 0.0302 |
| 0.95 | 150 | 0.2021 | 0.1822 | 0.0303 |
| 0.95 | 162 | 0.0799 | 0.1849 | 0.03 |
| 0.95 | 174 | -0.2891 | 0.2061 | 0.0306 |
| 0.95 | 186 | -0.1673 | 0.2059 | 0.0302 |
| 0.95 | 198 | 0.3597 | 0.2238 | 0.0309 |
| 0.95 | 210 | 0.0506 | 0.2322 | 0.03 |
| 0.95 | 222 | -0.0535 | 0.2306 | 0.03 |
| 0.95 | 234 | -0.2122 | 0.2097 | 0.0303 |
| 0.95 | 246 | 0.1767 | 0.1738 | 0.0302 |
| 0.95 | 258 | 0.0064 | 0.2008 | 0.03 |