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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 : | 0.1205 GeV2 | |
|---|---|---|
| W : | 1475 GeV | |
| ε : | 0.9511 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.2014 |
|
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 | 30 | -0.1125 | 0.2567 | 0.0301 |
| 0.05 | 30 | -0.0361 | 0.2532 | 0.03 |
| 0.05 | 54 | 0.2735 | 0.2306 | 0.0305 |
| 0.05 | 66 | 0.0976 | 0.2602 | 0.0301 |
| 0.15 | 18 | -0.423 | 0.2075 | 0.0312 |
| 0.15 | 54 | 0.1483 | 0.1938 | 0.0301 |
| 0.15 | 66 | -0.1103 | 0.1667 | 0.0301 |
| 0.15 | 78 | 0.4752 | 0.2295 | 0.0315 |
| 0.15 | 294 | 0.0608 | 0.1812 | 0.03 |
| 0.15 | 306 | 0.0316 | 0.2041 | 0.03 |
| 0.25 | 54 | 0.0949 | 0.1482 | 0.0301 |
| 0.25 | 66 | 0.0456 | 0.1503 | 0.03 |
| 0.25 | 78 | -0.0361 | 0.1717 | 0.03 |
| 0.25 | 282 | 0.1057 | 0.1487 | 0.0301 |
| 0.25 | 294 | -0.1484 | 0.1326 | 0.0301 |
| 0.25 | 306 | -0.293 | 0.1888 | 0.0306 |
| 0.35 | 54 | -0.1293 | 0.2026 | 0.0301 |
| 0.35 | 66 | 0.0566 | 0.141 | 0.03 |
| 0.35 | 78 | -0.0532 | 0.1519 | 0.03 |
| 0.35 | 90 | -0.0889 | 0.2573 | 0.0301 |
| 0.35 | 270 | 0.0816 | 0.1641 | 0.03 |
| 0.35 | 282 | 0.006 | 0.122 | 0.03 |
| 0.35 | 294 | 0.1167 | 0.1398 | 0.0301 |
| 0.35 | 306 | -0.1709 | 0.1905 | 0.0302 |
| 0.45 | 54 | 0.3604 | 0.1895 | 0.0309 |
| 0.45 | 66 | -0.3496 | 0.1305 | 0.0308 |
| 0.45 | 78 | -0.0459 | 0.1721 | 0.03 |
| 0.45 | 90 | 0.2255 | 0.1811 | 0.0303 |
| 0.45 | 102 | -0.2467 | 0.1914 | 0.0304 |
| 0.45 | 114 | -0.2905 | 0.1961 | 0.0306 |
| 0.45 | 258 | -0.0004 | 0.2349 | 0.03 |
| 0.45 | 270 | 0.043 | 0.1338 | 0.03 |
| 0.45 | 282 | 0.0043 | 0.1342 | 0.03 |
| 0.45 | 294 | -0.1242 | 0.1231 | 0.0301 |
| 0.55 | 54 | 0.14 | 0.1648 | 0.0301 |
| 0.55 | 66 | -0.0388 | 0.1665 | 0.03 |
| 0.55 | 78 | 0.3171 | 0.1633 | 0.0307 |
| 0.55 | 90 | 0.0635 | 0.1482 | 0.03 |
| 0.55 | 102 | 0.0303 | 0.1244 | 0.03 |
| 0.55 | 114 | 0.0756 | 0.1325 | 0.03 |
| 0.55 | 126 | -0.0481 | 0.2299 | 0.03 |
| 0.55 | 234 | 0.0355 | 0.2296 | 0.03 |
| 0.55 | 246 | -0.2501 | 0.209 | 0.0304 |
| 0.55 | 258 | 0.2382 | 0.1688 | 0.0304 |
| 0.55 | 270 | -0.2147 | 0.1463 | 0.0303 |
| 0.55 | 282 | -0.3388 | 0.1196 | 0.0308 |
| 0.55 | 294 | -0.0574 | 0.1647 | 0.03 |
| 0.55 | 306 | 0.0327 | 0.1457 | 0.03 |
| 0.65 | 54 | 0.2472 | 0.1877 | 0.0304 |
| 0.65 | 66 | -0.022 | 0.2105 | 0.03 |
| 0.65 | 78 | 0.1077 | 0.2039 | 0.0301 |
| 0.65 | 90 | -0.0606 | 0.1146 | 0.03 |
| 0.65 | 102 | -0.0029 | 0.1124 | 0.03 |
| 0.65 | 114 | 0.1227 | 0.1122 | 0.0301 |
| 0.65 | 126 | 0.1411 | 0.1331 | 0.0301 |
| 0.65 | 138 | -0.0236 | 0.1468 | 0.03 |
| 0.65 | 150 | -0.0469 | 0.2695 | 0.03 |
| 0.65 | 198 | 0.1235 | 0.2227 | 0.0301 |
| 0.65 | 210 | 0.0112 | 0.2161 | 0.03 |
| 0.65 | 222 | -0.1224 | 0.1705 | 0.0301 |
| 0.65 | 234 | -0.116 | 0.1453 | 0.0301 |
| 0.65 | 246 | 0.1023 | 0.1525 | 0.0301 |
| 0.65 | 258 | 0.1188 | 0.1648 | 0.0301 |
| 0.65 | 270 | 0.0228 | 0.1682 | 0.03 |
| 0.65 | 282 | 0.3325 | 0.1931 | 0.0307 |
| 0.65 | 294 | -0.0881 | 0.1464 | 0.0301 |
| 0.65 | 306 | 0.3653 | 0.1263 | 0.0309 |
| 0.75 | 66 | 0.0984 | 0.2352 | 0.0301 |
| 0.75 | 78 | 0.1734 | 0.2124 | 0.0302 |
| 0.75 | 90 | 0.0196 | 0.1256 | 0.03 |
| 0.75 | 102 | 0.0818 | 0.0987 | 0.03 |
| 0.75 | 114 | -0.069 | 0.1088 | 0.03 |
| 0.75 | 126 | -0.278 | 0.1189 | 0.0305 |
| 0.75 | 138 | 0.228 | 0.1365 | 0.0303 |
| 0.75 | 150 | 0.0991 | 0.1898 | 0.0301 |
| 0.75 | 162 | -0.212 | 0.2634 | 0.0303 |
| 0.75 | 174 | -0.1855 | 0.2617 | 0.0302 |
| 0.75 | 186 | -0.4272 | 0.1996 | 0.0312 |
| 0.75 | 198 | 0.037 | 0.1667 | 0.03 |
| 0.75 | 210 | 0.1704 | 0.1456 | 0.0302 |
| 0.75 | 222 | 0.0877 | 0.1279 | 0.0301 |
| 0.75 | 234 | -0.0371 | 0.12 | 0.03 |
| 0.75 | 246 | 0.0033 | 0.1136 | 0.03 |
| 0.75 | 258 | -0.0601 | 0.1404 | 0.03 |
| 0.75 | 270 | -0.1754 | 0.1678 | 0.0302 |
| 0.75 | 282 | -0.0136 | 0.3035 | 0.03 |
| 0.75 | 294 | -0.006 | 0.1581 | 0.03 |
| 0.85 | 66 | -0.0423 | 0.1881 | 0.03 |
| 0.85 | 78 | 0.1427 | 0.1183 | 0.0301 |
| 0.85 | 90 | 0.0277 | 0.1507 | 0.03 |
| 0.85 | 102 | -0.0564 | 0.1341 | 0.03 |
| 0.85 | 114 | 0.3193 | 0.1077 | 0.0307 |
| 0.85 | 126 | -0.0307 | 0.1165 | 0.03 |
| 0.85 | 138 | 0.1083 | 0.1357 | 0.0301 |
| 0.85 | 150 | 0.0128 | 0.198 | 0.03 |
| 0.85 | 174 | 0.2112 | 0.253 | 0.0303 |
| 0.85 | 186 | -0.2468 | 0.1745 | 0.0304 |
| 0.85 | 198 | -0.1812 | 0.1638 | 0.0302 |
| 0.85 | 210 | -0.0871 | 0.1424 | 0.0301 |
| 0.85 | 222 | -0.0619 | 0.122 | 0.03 |
| 0.85 | 234 | 0.1268 | 0.1127 | 0.0301 |
| 0.85 | 246 | -0.2101 | 0.0979 | 0.0303 |
| 0.85 | 258 | 0.0277 | 0.1236 | 0.03 |
| 0.85 | 270 | -0.1336 | 0.1454 | 0.0301 |
| 0.85 | 282 | -0.2895 | 0.1511 | 0.0306 |
| 0.85 | 294 | 0.3096 | 0.2688 | 0.0306 |
| 0.95 | 78 | -0.336 | 0.1747 | 0.0307 |
| 0.95 | 90 | -0.0096 | 0.1716 | 0.03 |
| 0.95 | 102 | -0.0253 | 0.1865 | 0.03 |
| 0.95 | 126 | -0.0342 | 0.2448 | 0.03 |
| 0.95 | 138 | -0.5324 | 0.2884 | 0.0318 |
| 0.95 | 150 | 0.2093 | 0.2519 | 0.0303 |
| 0.95 | 174 | 0.1699 | 0.2608 | 0.0302 |
| 0.95 | 186 | -0.0293 | 0.2345 | 0.03 |
| 0.95 | 198 | 0.1817 | 0.2111 | 0.0302 |
| 0.95 | 210 | 0.0841 | 0.1746 | 0.03 |
| 0.95 | 222 | -0.0824 | 0.154 | 0.03 |
| 0.95 | 234 | 0.1116 | 0.1419 | 0.0301 |
| 0.95 | 246 | -0.1325 | 0.1325 | 0.0301 |
| 0.95 | 258 | -0.1055 | 0.1235 | 0.0301 |
| 0.95 | 270 | 0.0023 | 0.121 | 0.03 |
| 0.95 | 282 | 0.1457 | 0.1347 | 0.0301 |
| 0.95 | 294 | -0.0925 | 0.2881 | 0.0301 |