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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 : | 1295 GeV | |
| ε : | 0.9713 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.6259 |
|
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 | -0.2795 | 0.2276 | 0.0305 |
| -0.05 | 318 | 0.4037 | 0.2445 | 0.0311 |
| 0.05 | 54 | 0.0225 | 0.2364 | 0.03 |
| 0.05 | 66 | -0.222 | 0.2765 | 0.0303 |
| 0.05 | 294 | 0.2674 | 0.2596 | 0.0305 |
| 0.05 | 306 | 0.2111 | 0.1759 | 0.0303 |
| 0.05 | 318 | -0.2018 | 0.2573 | 0.0303 |
| 0.15 | 54 | 0.0494 | 0.21 | 0.03 |
| 0.15 | 66 | 0.1654 | 0.1573 | 0.0302 |
| 0.15 | 78 | 0.164 | 0.2557 | 0.0302 |
| 0.15 | 294 | -0.0861 | 0.2082 | 0.03 |
| 0.15 | 306 | -0.2107 | 0.1758 | 0.0303 |
| 0.15 | 318 | 0.125 | 0.274 | 0.0301 |
| 0.25 | 54 | -0.0334 | 0.2125 | 0.03 |
| 0.25 | 66 | 0.1993 | 0.1293 | 0.0303 |
| 0.25 | 78 | -0.2296 | 0.1956 | 0.0303 |
| 0.25 | 294 | 0.1236 | 0.1919 | 0.0301 |
| 0.25 | 306 | -0.0783 | 0.18 | 0.03 |
| 0.35 | 54 | 0.1754 | 0.1801 | 0.0302 |
| 0.35 | 66 | 0.1391 | 0.1312 | 0.0301 |
| 0.35 | 78 | -0.3476 | 0.1622 | 0.0308 |
| 0.35 | 282 | 0.2395 | 0.2559 | 0.0304 |
| 0.35 | 294 | -0.0519 | 0.179 | 0.03 |
| 0.35 | 306 | 0.0627 | 0.2302 | 0.03 |
| 0.45 | 54 | 0.5039 | 0.1606 | 0.0316 |
| 0.45 | 66 | -0.0514 | 0.1567 | 0.03 |
| 0.45 | 78 | -0.0724 | 0.156 | 0.03 |
| 0.45 | 270 | 0.2936 | 0.2724 | 0.0306 |
| 0.45 | 282 | 0.1812 | 0.1652 | 0.0302 |
| 0.45 | 294 | 0.0109 | 0.1581 | 0.03 |
| 0.55 | 54 | 0.1866 | 0.2582 | 0.0302 |
| 0.55 | 66 | -0.1706 | 0.1767 | 0.0302 |
| 0.55 | 78 | -0.1401 | 0.1661 | 0.0301 |
| 0.55 | 90 | -0.1007 | 0.2091 | 0.0301 |
| 0.55 | 102 | -0.0319 | 0.2758 | 0.03 |
| 0.55 | 270 | 0.0254 | 0.1534 | 0.03 |
| 0.55 | 282 | 0.0425 | 0.1358 | 0.03 |
| 0.55 | 294 | -0.0534 | 0.1679 | 0.03 |
| 0.65 | 66 | -0.3353 | 0.204 | 0.0307 |
| 0.65 | 78 | -0.0083 | 0.1567 | 0.03 |
| 0.65 | 90 | 0.1174 | 0.1368 | 0.0301 |
| 0.65 | 102 | -0.2577 | 0.1478 | 0.0304 |
| 0.65 | 114 | 0.2794 | 0.2641 | 0.0305 |
| 0.65 | 258 | 0.1206 | 0.1554 | 0.0301 |
| 0.65 | 270 | -0.0017 | 0.1079 | 0.03 |
| 0.65 | 282 | 0.1007 | 0.1077 | 0.0301 |
| 0.65 | 294 | 0.2064 | 0.1287 | 0.0303 |
| 0.75 | 66 | -0.2768 | 0.1664 | 0.0305 |
| 0.75 | 78 | -0.1702 | 0.1202 | 0.0302 |
| 0.75 | 90 | 0.0706 | 0.1037 | 0.03 |
| 0.75 | 102 | 0.2538 | 0.1078 | 0.0304 |
| 0.75 | 114 | 0.3122 | 0.1158 | 0.0306 |
| 0.75 | 126 | -0.1025 | 0.2936 | 0.0301 |
| 0.75 | 234 | -0.0477 | 0.2267 | 0.03 |
| 0.75 | 246 | -0.2204 | 0.1494 | 0.0303 |
| 0.75 | 258 | 0.0569 | 0.1174 | 0.03 |
| 0.75 | 270 | -0.1923 | 0.0984 | 0.0302 |
| 0.75 | 282 | 0.14 | 0.1031 | 0.0301 |
| 0.75 | 294 | -0.0294 | 0.1065 | 0.03 |
| 0.75 | 306 | -0.0488 | 0.2327 | 0.03 |
| 0.85 | 66 | 0.0215 | 0.172 | 0.03 |
| 0.85 | 78 | 0.0432 | 0.1074 | 0.03 |
| 0.85 | 90 | 0.0394 | 0.0948 | 0.03 |
| 0.85 | 102 | 0.1539 | 0.0936 | 0.0302 |
| 0.85 | 114 | 0.0993 | 0.0944 | 0.0301 |
| 0.85 | 126 | 0.3241 | 0.1164 | 0.0307 |
| 0.85 | 138 | 0.1842 | 0.1556 | 0.0302 |
| 0.85 | 150 | -0.1732 | 0.2505 | 0.0302 |
| 0.85 | 210 | 0.0554 | 0.2381 | 0.03 |
| 0.85 | 222 | -0.0984 | 0.1801 | 0.0301 |
| 0.85 | 234 | -0.3819 | 0.1411 | 0.031 |
| 0.85 | 246 | -0.139 | 0.1153 | 0.0301 |
| 0.85 | 258 | -0.1449 | 0.0977 | 0.0301 |
| 0.85 | 270 | -0.1554 | 0.1008 | 0.0302 |
| 0.85 | 282 | -0.1146 | 0.1002 | 0.0301 |
| 0.85 | 294 | 0.0662 | 0.0975 | 0.03 |
| 0.85 | 306 | 0.3768 | 0.1402 | 0.0309 |
| 0.95 | 54 | 0.1743 | 0.2743 | 0.0302 |
| 0.95 | 66 | 0.0227 | 0.1666 | 0.03 |
| 0.95 | 78 | 0.3078 | 0.1145 | 0.0306 |
| 0.95 | 90 | -0.1613 | 0.1153 | 0.0302 |
| 0.95 | 102 | -0.006 | 0.1247 | 0.03 |
| 0.95 | 114 | -0.0411 | 0.1226 | 0.03 |
| 0.95 | 126 | -0.0463 | 0.1302 | 0.03 |
| 0.95 | 138 | -0.1036 | 0.134 | 0.0301 |
| 0.95 | 150 | -0.1548 | 0.149 | 0.0302 |
| 0.95 | 162 | 0.0808 | 0.177 | 0.03 |
| 0.95 | 174 | -0.0262 | 0.2006 | 0.03 |
| 0.95 | 186 | -0.2404 | 0.2142 | 0.0304 |
| 0.95 | 198 | -0.1309 | 0.207 | 0.0301 |
| 0.95 | 210 | -0.0217 | 0.1737 | 0.03 |
| 0.95 | 222 | -0.0843 | 0.1522 | 0.03 |
| 0.95 | 234 | -0.0525 | 0.1595 | 0.03 |
| 0.95 | 246 | -0.0852 | 0.14 | 0.03 |
| 0.95 | 258 | -0.0531 | 0.1217 | 0.03 |
| 0.95 | 270 | -0.042 | 0.1231 | 0.03 |
| 0.95 | 282 | 0.0734 | 0.1277 | 0.03 |
| 0.95 | 294 | -0.1645 | 0.1254 | 0.0302 |
| 0.95 | 306 | -0.2477 | 0.1353 | 0.0304 |
| 0.95 | 318 | -0.291 | 0.2183 | 0.0306 |