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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 : | 0.0348 GeV2 | |
|---|---|---|
| W : | 1445 GeV | |
| ε : | 0.9175 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0728 |
|
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 |
|---|---|---|---|---|
| 0.25 | 66 | 0.211 | 0.2226 | 0.0303 |
| 0.25 | 78 | 0.2413 | 0.2483 | 0.0304 |
| 0.25 | 294 | 0.0051 | 0.2601 | 0.03 |
| 0.35 | 54 | 0.6649 | 0.1767 | 0.0328 |
| 0.35 | 66 | 0.1294 | 0.176 | 0.0301 |
| 0.35 | 78 | 0.1447 | 0.1763 | 0.0301 |
| 0.35 | 90 | 0.2828 | 0.232 | 0.0305 |
| 0.35 | 270 | -0.3689 | 0.2284 | 0.0309 |
| 0.35 | 282 | 0.412 | 0.1699 | 0.0311 |
| 0.35 | 294 | 0.0216 | 0.1883 | 0.03 |
| 0.45 | 66 | 0.4641 | 0.1815 | 0.0314 |
| 0.45 | 78 | -0.0032 | 0.1513 | 0.03 |
| 0.45 | 90 | -0.1278 | 0.209 | 0.0301 |
| 0.45 | 258 | -0.5391 | 0.2178 | 0.0319 |
| 0.45 | 270 | 0.0565 | 0.1731 | 0.03 |
| 0.45 | 282 | -0.196 | 0.1575 | 0.0303 |
| 0.45 | 294 | -0.1535 | 0.1746 | 0.0302 |
| 0.45 | 306 | 0.3129 | 0.2162 | 0.0306 |
| 0.45 | 330 | -0.1268 | 0.2713 | 0.0301 |
| 0.55 | 66 | 0.1877 | 0.2361 | 0.0302 |
| 0.55 | 78 | 0.108 | 0.1664 | 0.0301 |
| 0.55 | 90 | -0.0384 | 0.18 | 0.03 |
| 0.55 | 102 | 0.4663 | 0.1817 | 0.0314 |
| 0.55 | 114 | -0.0486 | 0.232 | 0.03 |
| 0.55 | 126 | -0.1002 | 0.2077 | 0.0301 |
| 0.55 | 138 | 0.2923 | 0.2439 | 0.0306 |
| 0.55 | 222 | 0.0704 | 0.2209 | 0.03 |
| 0.55 | 234 | -0.2039 | 0.1964 | 0.0303 |
| 0.55 | 246 | 0.268 | 0.1944 | 0.0305 |
| 0.55 | 258 | -0.2017 | 0.2221 | 0.0303 |
| 0.55 | 270 | 0.17 | 0.1736 | 0.0302 |
| 0.55 | 282 | 0.0434 | 0.1495 | 0.03 |
| 0.55 | 294 | 0.0009 | 0.1803 | 0.03 |
| 0.65 | 66 | -0.3148 | 0.2048 | 0.0307 |
| 0.65 | 78 | 0.1653 | 0.1962 | 0.0302 |
| 0.65 | 90 | 0.0635 | 0.2474 | 0.03 |
| 0.65 | 102 | -0.0838 | 0.2616 | 0.03 |
| 0.65 | 114 | -0.0975 | 0.1973 | 0.0301 |
| 0.65 | 126 | -0.2448 | 0.1531 | 0.0304 |
| 0.65 | 138 | 0.0361 | 0.1842 | 0.03 |
| 0.65 | 150 | 0.3015 | 0.2314 | 0.0306 |
| 0.65 | 198 | 0.4372 | 0.2059 | 0.0312 |
| 0.65 | 210 | 0.1774 | 0.2183 | 0.0302 |
| 0.65 | 222 | -0.0406 | 0.1616 | 0.03 |
| 0.65 | 234 | 0.109 | 0.171 | 0.0301 |
| 0.65 | 246 | 0.1382 | 0.2108 | 0.0301 |
| 0.65 | 258 | 0.2296 | 0.1932 | 0.0303 |
| 0.65 | 270 | -0.3644 | 0.1965 | 0.0309 |
| 0.65 | 282 | 0.1814 | 0.2185 | 0.0302 |
| 0.65 | 294 | 0.0686 | 0.23 | 0.03 |
| 0.75 | 66 | -0.2276 | 0.2629 | 0.0303 |
| 0.75 | 78 | 0.0613 | 0.192 | 0.03 |
| 0.75 | 102 | 0.1117 | 0.2742 | 0.0301 |
| 0.75 | 114 | -0.0261 | 0.1818 | 0.03 |
| 0.75 | 126 | 0.0539 | 0.1537 | 0.03 |
| 0.75 | 138 | 0.2916 | 0.1719 | 0.0306 |
| 0.75 | 150 | -0.0299 | 0.2054 | 0.03 |
| 0.75 | 162 | 0.2588 | 0.2556 | 0.0304 |
| 0.75 | 198 | -0.061 | 0.2228 | 0.03 |
| 0.75 | 210 | -0.0287 | 0.1935 | 0.03 |
| 0.75 | 222 | 0.0803 | 0.176 | 0.03 |
| 0.75 | 234 | -0.2253 | 0.1366 | 0.0303 |
| 0.75 | 246 | -0.3253 | 0.1858 | 0.0307 |
| 0.75 | 258 | 0.0649 | 0.242 | 0.03 |
| 0.75 | 282 | 0.1177 | 0.1937 | 0.0301 |
| 0.75 | 294 | -0.1256 | 0.2584 | 0.0301 |
| 0.85 | 102 | -0.2327 | 0.2406 | 0.0304 |
| 0.85 | 114 | 0.0109 | 0.228 | 0.03 |
| 0.85 | 126 | 0.3502 | 0.238 | 0.0308 |
| 0.85 | 138 | -0.3602 | 0.2164 | 0.0309 |
| 0.85 | 150 | 0.2308 | 0.2625 | 0.0304 |
| 0.85 | 198 | 0.1168 | 0.2666 | 0.0301 |
| 0.85 | 210 | -0.2575 | 0.1998 | 0.0304 |
| 0.85 | 222 | -0.0786 | 0.1636 | 0.03 |
| 0.85 | 234 | -0.1177 | 0.1629 | 0.0301 |
| 0.85 | 246 | -0.108 | 0.1784 | 0.0301 |
| 0.85 | 258 | 0.111 | 0.2339 | 0.0301 |
| 0.95 | 222 | 0.0386 | 0.2363 | 0.03 |
| 0.95 | 246 | 0.0487 | 0.2812 | 0.03 |