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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 : | 0.2915 GeV2 | |
|---|---|---|
| W : | 1385 GeV | |
| ε : | 0.9449 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.5489 |
|
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 | -0.3444 | 0.2426 | 0.0308 |
| 0.05 | 54 | -0.7188 | 0.2039 | 0.0333 |
| 0.05 | 66 | -0.2753 | 0.2765 | 0.0305 |
| 0.05 | 306 | 0.0934 | 0.2607 | 0.0301 |
| 0.15 | 54 | 0.3197 | 0.2493 | 0.0307 |
| 0.15 | 66 | -0.2236 | 0.2483 | 0.0303 |
| 0.15 | 294 | 0.1194 | 0.2113 | 0.0301 |
| 0.15 | 306 | 0.112 | 0.2478 | 0.0301 |
| 0.25 | 66 | 0.315 | 0.1928 | 0.0307 |
| 0.25 | 282 | -0.1808 | 0.2424 | 0.0302 |
| 0.25 | 294 | -0.0666 | 0.2528 | 0.03 |
| 0.25 | 306 | 0.3119 | 0.2719 | 0.0306 |
| 0.35 | 54 | 0.3825 | 0.2392 | 0.031 |
| 0.35 | 66 | -0.0703 | 0.2145 | 0.03 |
| 0.35 | 282 | 0.1999 | 0.2644 | 0.0303 |
| 0.35 | 294 | 0.1562 | 0.2303 | 0.0302 |
| 0.45 | 90 | -0.238 | 0.2512 | 0.0304 |
| 0.45 | 102 | -0.1988 | 0.2729 | 0.0303 |
| 0.45 | 282 | 0.003 | 0.2609 | 0.03 |
| 0.45 | 294 | -0.0965 | 0.2211 | 0.0301 |
| 0.55 | 78 | -0.2077 | 0.1997 | 0.0303 |
| 0.55 | 90 | 0.0231 | 0.1923 | 0.03 |
| 0.55 | 102 | 0.0087 | 0.1902 | 0.03 |
| 0.55 | 270 | -0.077 | 0.2458 | 0.03 |
| 0.55 | 282 | -0.0738 | 0.2625 | 0.03 |
| 0.65 | 54 | 0.3153 | 0.2531 | 0.0307 |
| 0.65 | 66 | 0.488 | 0.2396 | 0.0315 |
| 0.65 | 78 | -0.0435 | 0.1669 | 0.03 |
| 0.65 | 90 | 0.1987 | 0.1284 | 0.0303 |
| 0.65 | 102 | -0.5276 | 0.1691 | 0.0318 |
| 0.65 | 114 | 0.18 | 0.1893 | 0.0302 |
| 0.65 | 246 | 0.0733 | 0.2346 | 0.03 |
| 0.65 | 258 | -0.1537 | 0.2043 | 0.0302 |
| 0.65 | 270 | -0.3296 | 0.1882 | 0.0307 |
| 0.65 | 282 | 0.0112 | 0.2172 | 0.03 |
| 0.75 | 54 | 0.1053 | 0.203 | 0.0301 |
| 0.75 | 66 | 0.009 | 0.2407 | 0.03 |
| 0.75 | 78 | -0.0568 | 0.1316 | 0.03 |
| 0.75 | 90 | 0.0562 | 0.1363 | 0.03 |
| 0.75 | 102 | -0.0285 | 0.155 | 0.03 |
| 0.75 | 114 | -0.3139 | 0.1482 | 0.0306 |
| 0.75 | 126 | 0.0365 | 0.2195 | 0.03 |
| 0.75 | 234 | -0.2115 | 0.1913 | 0.0303 |
| 0.75 | 246 | -0.409 | 0.162 | 0.0311 |
| 0.75 | 258 | 0.1565 | 0.1377 | 0.0302 |
| 0.75 | 270 | -0.141 | 0.1509 | 0.0301 |
| 0.75 | 282 | 0.1194 | 0.1509 | 0.0301 |
| 0.75 | 294 | 0.0893 | 0.1915 | 0.0301 |
| 0.75 | 306 | -0.1488 | 0.2053 | 0.0301 |
| 0.85 | 54 | 0.2316 | 0.1696 | 0.0304 |
| 0.85 | 78 | 0.2526 | 0.1424 | 0.0304 |
| 0.85 | 90 | 0.0162 | 0.1371 | 0.03 |
| 0.85 | 102 | 0.0667 | 0.1414 | 0.03 |
| 0.85 | 114 | 0.3909 | 0.1388 | 0.031 |
| 0.85 | 126 | 0.078 | 0.1893 | 0.03 |
| 0.85 | 138 | -0.2078 | 0.1911 | 0.0303 |
| 0.85 | 210 | 0.2004 | 0.2122 | 0.0303 |
| 0.85 | 222 | -0.1362 | 0.1725 | 0.0301 |
| 0.85 | 234 | -0.1781 | 0.1496 | 0.0302 |
| 0.85 | 246 | 0.0354 | 0.1445 | 0.03 |
| 0.85 | 258 | -0.0569 | 0.1486 | 0.03 |
| 0.85 | 270 | -0.082 | 0.1368 | 0.03 |
| 0.85 | 282 | -0.0781 | 0.1557 | 0.03 |
| 0.85 | 294 | -0.1453 | 0.1414 | 0.0301 |
| 0.85 | 306 | 0.2869 | 0.1343 | 0.0305 |
| 0.85 | 318 | -0.1502 | 0.2102 | 0.0302 |
| 0.95 | 78 | 0.4764 | 0.1639 | 0.0315 |
| 0.95 | 90 | -0.097 | 0.2071 | 0.0301 |
| 0.95 | 102 | 0.3746 | 0.1691 | 0.0309 |
| 0.95 | 114 | 0.2675 | 0.2023 | 0.0305 |
| 0.95 | 126 | 0.1084 | 0.2219 | 0.0301 |
| 0.95 | 138 | 0.0132 | 0.2944 | 0.03 |
| 0.95 | 162 | -0.0666 | 0.2805 | 0.03 |
| 0.95 | 174 | -0.2557 | 0.2702 | 0.0304 |
| 0.95 | 186 | -0.1523 | 0.2613 | 0.0302 |
| 0.95 | 198 | -0.3638 | 0.2247 | 0.0309 |
| 0.95 | 210 | 0.0954 | 0.1861 | 0.0301 |
| 0.95 | 222 | 0.0869 | 0.1986 | 0.0301 |
| 0.95 | 234 | 0.2454 | 0.1642 | 0.0304 |
| 0.95 | 246 | -0.0562 | 0.1888 | 0.03 |
| 0.95 | 258 | -0.065 | 0.1532 | 0.03 |
| 0.95 | 270 | 0.3749 | 0.17 | 0.0309 |
| 0.95 | 282 | -0.183 | 0.1876 | 0.0302 |
| 0.95 | 294 | -0.0803 | 0.1724 | 0.03 |
| 0.95 | 306 | -0.373 | 0.1515 | 0.0309 |
| 0.95 | 318 | 0.0528 | 0.1763 | 0.03 |
| 0.95 | 330 | 0.1891 | 0.2585 | 0.0302 |