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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 : | 0.1435 GeV2 | |
|---|---|---|
| W : | 1625 GeV | |
| ε : | 0.9098 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.1269 |
|
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 |
|---|---|---|---|---|
| 0.15 | 66 | -0.0974 | 0.2486 | 0.0301 |
| 0.25 | 66 | -0.5189 | 0.2061 | 0.0317 |
| 0.25 | 78 | -0.0281 | 0.2527 | 0.03 |
| 0.25 | 270 | -0.17 | 0.2523 | 0.0302 |
| 0.25 | 282 | 0.3989 | 0.1936 | 0.031 |
| 0.25 | 294 | -0.0317 | 0.2671 | 0.03 |
| 0.35 | 66 | 0.1268 | 0.1787 | 0.0301 |
| 0.35 | 78 | 0.0403 | 0.1968 | 0.03 |
| 0.35 | 90 | -0.2218 | 0.2637 | 0.0303 |
| 0.35 | 102 | -0.2357 | 0.2568 | 0.0304 |
| 0.35 | 114 | 0.16 | 0.2795 | 0.0302 |
| 0.35 | 258 | -0.0142 | 0.2681 | 0.03 |
| 0.35 | 270 | -0.1041 | 0.1844 | 0.0301 |
| 0.35 | 282 | 0.0308 | 0.1808 | 0.03 |
| 0.35 | 294 | 0.0065 | 0.2199 | 0.03 |
| 0.45 | 66 | -0.0804 | 0.2271 | 0.03 |
| 0.45 | 78 | -0.1411 | 0.2305 | 0.0301 |
| 0.45 | 90 | 0.3219 | 0.2517 | 0.0307 |
| 0.45 | 102 | 0.0428 | 0.2169 | 0.03 |
| 0.45 | 114 | 0.0512 | 0.247 | 0.03 |
| 0.45 | 126 | -0.0006 | 0.2203 | 0.03 |
| 0.45 | 258 | -0.0408 | 0.2297 | 0.03 |
| 0.45 | 270 | -0.1347 | 0.1731 | 0.0301 |
| 0.45 | 282 | -0.1547 | 0.1513 | 0.0302 |
| 0.45 | 294 | 0.1696 | 0.1934 | 0.0302 |
| 0.55 | 42 | -0.2673 | 0.2094 | 0.0305 |
| 0.55 | 54 | -0.0762 | 0.2344 | 0.03 |
| 0.55 | 66 | 0.0904 | 0.2333 | 0.0301 |
| 0.55 | 78 | 0.0425 | 0.2251 | 0.03 |
| 0.55 | 90 | -0.128 | 0.2042 | 0.0301 |
| 0.55 | 102 | 0.1622 | 0.169 | 0.0302 |
| 0.55 | 114 | -0.1507 | 0.156 | 0.0302 |
| 0.55 | 126 | -0.1301 | 0.1595 | 0.0301 |
| 0.55 | 138 | 0.2385 | 0.166 | 0.0304 |
| 0.55 | 150 | -0.1207 | 0.2616 | 0.0301 |
| 0.55 | 198 | -0.0811 | 0.195 | 0.03 |
| 0.55 | 210 | -0.4129 | 0.1959 | 0.0311 |
| 0.55 | 222 | -0.0037 | 0.2276 | 0.03 |
| 0.55 | 234 | -0.1733 | 0.2057 | 0.0302 |
| 0.55 | 246 | -0.2942 | 0.2242 | 0.0306 |
| 0.55 | 258 | 0.0594 | 0.1992 | 0.03 |
| 0.55 | 270 | 0.1068 | 0.1651 | 0.0301 |
| 0.55 | 282 | -0.1145 | 0.1712 | 0.0301 |
| 0.55 | 294 | 0.1059 | 0.2073 | 0.0301 |
| 0.55 | 306 | -0.1489 | 0.2659 | 0.0301 |
| 0.65 | 54 | -0.1638 | 0.1945 | 0.0302 |
| 0.65 | 66 | -0.0647 | 0.2219 | 0.03 |
| 0.65 | 90 | 0.3083 | 0.1903 | 0.0306 |
| 0.65 | 102 | 0.0607 | 0.1494 | 0.03 |
| 0.65 | 114 | -0.2517 | 0.1432 | 0.0304 |
| 0.65 | 126 | -0.0397 | 0.1342 | 0.03 |
| 0.65 | 138 | -0.0395 | 0.1656 | 0.03 |
| 0.65 | 150 | 0.5338 | 0.2134 | 0.0318 |
| 0.65 | 174 | -0.1129 | 0.2478 | 0.0301 |
| 0.65 | 186 | 0.0616 | 0.2125 | 0.03 |
| 0.65 | 198 | 0.0538 | 0.1706 | 0.03 |
| 0.65 | 210 | -0.2227 | 0.1649 | 0.0303 |
| 0.65 | 222 | -0.0756 | 0.1419 | 0.03 |
| 0.65 | 234 | 0.1568 | 0.1454 | 0.0302 |
| 0.65 | 246 | -0.0116 | 0.1882 | 0.03 |
| 0.65 | 258 | 0.29 | 0.183 | 0.0306 |
| 0.65 | 270 | 0.3709 | 0.253 | 0.0309 |
| 0.65 | 282 | -0.128 | 0.1848 | 0.0301 |
| 0.65 | 294 | 0.2793 | 0.1391 | 0.0305 |
| 0.65 | 306 | 0.3266 | 0.1879 | 0.0307 |
| 0.75 | 78 | 0.1213 | 0.17 | 0.0301 |
| 0.75 | 90 | 0.0686 | 0.1971 | 0.03 |
| 0.75 | 102 | 0.1435 | 0.1652 | 0.0301 |
| 0.75 | 114 | 0.0115 | 0.127 | 0.03 |
| 0.75 | 126 | -0.1309 | 0.1353 | 0.0301 |
| 0.75 | 138 | 0.1389 | 0.1593 | 0.0301 |
| 0.75 | 150 | -0.3555 | 0.2148 | 0.0308 |
| 0.75 | 162 | 0.1155 | 0.2444 | 0.0301 |
| 0.75 | 174 | -0.0343 | 0.2365 | 0.03 |
| 0.75 | 186 | 0.1161 | 0.1853 | 0.0301 |
| 0.75 | 198 | 0.0366 | 0.1511 | 0.03 |
| 0.75 | 210 | -0.0136 | 0.1376 | 0.03 |
| 0.75 | 222 | 0.0908 | 0.1328 | 0.0301 |
| 0.75 | 234 | 0.2121 | 0.1298 | 0.0303 |
| 0.75 | 246 | 0.0855 | 0.1467 | 0.03 |
| 0.75 | 258 | 0.1308 | 0.1705 | 0.0301 |
| 0.75 | 270 | 0.0647 | 0.2449 | 0.03 |
| 0.75 | 282 | -0.2012 | 0.1434 | 0.0303 |
| 0.75 | 294 | 0.0443 | 0.142 | 0.03 |
| 0.75 | 306 | 0.0452 | 0.2027 | 0.03 |
| 0.85 | 78 | 0.2409 | 0.1328 | 0.0304 |
| 0.85 | 90 | 0.186 | 0.1325 | 0.0302 |
| 0.85 | 102 | -0.2901 | 0.1368 | 0.0306 |
| 0.85 | 114 | -0.0185 | 0.1805 | 0.03 |
| 0.85 | 126 | -0.0156 | 0.1719 | 0.03 |
| 0.85 | 138 | -0.1188 | 0.1991 | 0.0301 |
| 0.85 | 150 | -0.3108 | 0.2149 | 0.0306 |
| 0.85 | 174 | 0.1892 | 0.2558 | 0.0302 |
| 0.85 | 186 | -0.2646 | 0.1678 | 0.0305 |
| 0.85 | 198 | 0.1055 | 0.1539 | 0.0301 |
| 0.85 | 210 | 0.1545 | 0.1308 | 0.0302 |
| 0.85 | 222 | 0.0457 | 0.1225 | 0.03 |
| 0.85 | 234 | -0.0899 | 0.1113 | 0.0301 |
| 0.85 | 246 | -0.1032 | 0.1514 | 0.0301 |
| 0.85 | 258 | 0.2034 | 0.1632 | 0.0303 |
| 0.85 | 270 | 0.1922 | 0.189 | 0.0302 |
| 0.85 | 282 | -0.2406 | 0.2229 | 0.0304 |
| 0.85 | 294 | -0.1977 | 0.2527 | 0.0303 |
| 0.95 | 90 | -0.2487 | 0.1709 | 0.0304 |
| 0.95 | 102 | 0.0442 | 0.1615 | 0.03 |
| 0.95 | 114 | 0.1458 | 0.2178 | 0.0301 |
| 0.95 | 126 | 0.2484 | 0.2607 | 0.0304 |
| 0.95 | 174 | -0.0835 | 0.2377 | 0.03 |
| 0.95 | 186 | -0.0618 | 0.1938 | 0.03 |
| 0.95 | 198 | 0.0125 | 0.1885 | 0.03 |
| 0.95 | 210 | -0.0344 | 0.1862 | 0.03 |
| 0.95 | 222 | -0.2644 | 0.1424 | 0.0305 |
| 0.95 | 234 | 0.0051 | 0.1344 | 0.03 |
| 0.95 | 246 | 0.0052 | 0.1447 | 0.03 |
| 0.95 | 258 | -0.0868 | 0.1507 | 0.0301 |
| 0.95 | 270 | -0.4464 | 0.1452 | 0.0313 |