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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 : | 1265 GeV | |
| ε : | 0.9743 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.7407 |
|
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 | 0.4653 | 0.251 | 0.0314 |
| 0.05 | 66 | -0.2179 | 0.2601 | 0.0303 |
| 0.05 | 306 | 0.0291 | 0.2606 | 0.03 |
| 0.15 | 54 | 0.4123 | 0.2027 | 0.0311 |
| 0.15 | 66 | 0.097 | 0.1595 | 0.0301 |
| 0.15 | 294 | -0.0831 | 0.2691 | 0.03 |
| 0.15 | 306 | -0.1309 | 0.2353 | 0.0301 |
| 0.25 | 54 | 0.0558 | 0.2129 | 0.03 |
| 0.25 | 66 | 0.1787 | 0.1306 | 0.0302 |
| 0.25 | 78 | -0.2398 | 0.2412 | 0.0304 |
| 0.25 | 294 | -0.0391 | 0.2312 | 0.03 |
| 0.25 | 306 | -0.4605 | 0.201 | 0.0314 |
| 0.35 | 54 | 0.4714 | 0.2641 | 0.0314 |
| 0.35 | 66 | 0.19 | 0.1211 | 0.0302 |
| 0.35 | 78 | -0.2737 | 0.1493 | 0.0305 |
| 0.35 | 282 | 0.367 | 0.1964 | 0.0309 |
| 0.35 | 294 | 0.2953 | 0.2016 | 0.0306 |
| 0.45 | 66 | 0.0529 | 0.1426 | 0.03 |
| 0.45 | 78 | 0.3396 | 0.1799 | 0.0308 |
| 0.45 | 282 | -0.2398 | 0.1673 | 0.0304 |
| 0.45 | 294 | -0.2365 | 0.1753 | 0.0304 |
| 0.55 | 66 | -0.3805 | 0.1755 | 0.031 |
| 0.55 | 78 | 0.1985 | 0.1903 | 0.0303 |
| 0.55 | 270 | -0.1575 | 0.1417 | 0.0302 |
| 0.55 | 282 | 0.0656 | 0.1195 | 0.03 |
| 0.55 | 294 | 0.0609 | 0.1529 | 0.03 |
| 0.65 | 66 | 0.0578 | 0.2433 | 0.03 |
| 0.65 | 78 | -0.2105 | 0.1778 | 0.0303 |
| 0.65 | 90 | 0.0652 | 0.173 | 0.03 |
| 0.65 | 102 | -0.0371 | 0.2186 | 0.03 |
| 0.65 | 258 | 0.0086 | 0.1868 | 0.03 |
| 0.65 | 270 | -0.1329 | 0.1082 | 0.0301 |
| 0.65 | 282 | -0.0152 | 0.1083 | 0.03 |
| 0.65 | 294 | 0.015 | 0.1443 | 0.03 |
| 0.75 | 66 | -0.3051 | 0.187 | 0.0306 |
| 0.75 | 78 | 0.0008 | 0.1169 | 0.03 |
| 0.75 | 90 | 0.0893 | 0.123 | 0.0301 |
| 0.75 | 102 | 0.0616 | 0.1273 | 0.03 |
| 0.75 | 114 | 0.1135 | 0.1744 | 0.0301 |
| 0.75 | 246 | 0.0752 | 0.2096 | 0.03 |
| 0.75 | 258 | -0.334 | 0.1194 | 0.0307 |
| 0.75 | 270 | -0.0463 | 0.1047 | 0.03 |
| 0.75 | 282 | -0.0441 | 0.1081 | 0.03 |
| 0.75 | 294 | -0.0056 | 0.1211 | 0.03 |
| 0.75 | 306 | 0.1076 | 0.2602 | 0.0301 |
| 0.85 | 54 | -0.0148 | 0.2755 | 0.03 |
| 0.85 | 66 | 0.0177 | 0.141 | 0.03 |
| 0.85 | 78 | 0.0031 | 0.1081 | 0.03 |
| 0.85 | 90 | -0.0045 | 0.1009 | 0.03 |
| 0.85 | 102 | 0.1209 | 0.1043 | 0.0301 |
| 0.85 | 114 | 0.3535 | 0.1139 | 0.0308 |
| 0.85 | 126 | 0.1511 | 0.1379 | 0.0302 |
| 0.85 | 138 | -0.2177 | 0.2108 | 0.0303 |
| 0.85 | 222 | 0.0129 | 0.2593 | 0.03 |
| 0.85 | 234 | -0.0378 | 0.1674 | 0.03 |
| 0.85 | 246 | 0.0429 | 0.1477 | 0.03 |
| 0.85 | 258 | 0.0071 | 0.1312 | 0.03 |
| 0.85 | 270 | -0.036 | 0.1145 | 0.03 |
| 0.85 | 282 | 0.0488 | 0.1113 | 0.03 |
| 0.85 | 294 | -0.0789 | 0.1178 | 0.03 |
| 0.85 | 306 | -0.1455 | 0.1908 | 0.0301 |
| 0.95 | 54 | -0.0168 | 0.2322 | 0.03 |
| 0.95 | 66 | 0.1437 | 0.1367 | 0.0301 |
| 0.95 | 78 | -0.0298 | 0.1225 | 0.03 |
| 0.95 | 90 | 0.0198 | 0.1361 | 0.03 |
| 0.95 | 102 | -0.1106 | 0.1199 | 0.0301 |
| 0.95 | 114 | -0.1595 | 0.1221 | 0.0302 |
| 0.95 | 126 | 0.1537 | 0.1277 | 0.0302 |
| 0.95 | 138 | -0.0471 | 0.14 | 0.03 |
| 0.95 | 150 | -0.0305 | 0.1664 | 0.03 |
| 0.95 | 162 | 0.0786 | 0.1775 | 0.03 |
| 0.95 | 174 | -0.0832 | 0.2272 | 0.03 |
| 0.95 | 186 | -0.2165 | 0.2076 | 0.0303 |
| 0.95 | 198 | -0.3819 | 0.2002 | 0.031 |
| 0.95 | 210 | 0.3014 | 0.186 | 0.0306 |
| 0.95 | 222 | -0.1844 | 0.1735 | 0.0302 |
| 0.95 | 234 | 0.1589 | 0.1789 | 0.0302 |
| 0.95 | 246 | 0.2253 | 0.1603 | 0.0303 |
| 0.95 | 258 | -0.2962 | 0.1461 | 0.0306 |
| 0.95 | 270 | -0.1072 | 0.1324 | 0.0301 |
| 0.95 | 282 | 0.1328 | 0.1585 | 0.0301 |
| 0.95 | 294 | 0.0806 | 0.158 | 0.03 |
| 0.95 | 306 | 0.1714 | 0.1838 | 0.0302 |
| 0.95 | 318 | -0.4069 | 0.2832 | 0.0311 |