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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 : | 1295 GeV | |
| ε : | 0.9567 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.4827 |
|
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 | 0.2768 | 0.1937 | 0.0305 |
| 0.25 | 306 | 0.1927 | 0.2507 | 0.0302 |
| 0.35 | 66 | 0.1192 | 0.2126 | 0.0301 |
| 0.35 | 78 | 0.3449 | 0.2205 | 0.0308 |
| 0.35 | 294 | -0.0293 | 0.2612 | 0.03 |
| 0.45 | 66 | -0.1391 | 0.2157 | 0.0301 |
| 0.45 | 78 | 0.0904 | 0.2652 | 0.0301 |
| 0.45 | 282 | 0.0543 | 0.2679 | 0.03 |
| 0.55 | 66 | -0.0639 | 0.2549 | 0.03 |
| 0.55 | 270 | -0.0008 | 0.2184 | 0.03 |
| 0.65 | 102 | -0.1472 | 0.2334 | 0.0301 |
| 0.65 | 258 | -0.2909 | 0.2247 | 0.0306 |
| 0.65 | 270 | 0.0708 | 0.2034 | 0.03 |
| 0.65 | 282 | 0.1379 | 0.2006 | 0.0301 |
| 0.75 | 90 | 0.2418 | 0.2196 | 0.0304 |
| 0.75 | 102 | 0.1155 | 0.1948 | 0.0301 |
| 0.75 | 114 | 0.0073 | 0.2442 | 0.03 |
| 0.75 | 126 | 0.5153 | 0.2108 | 0.0317 |
| 0.75 | 234 | -0.0028 | 0.2286 | 0.03 |
| 0.75 | 246 | -0.0514 | 0.2236 | 0.03 |
| 0.75 | 258 | -0.2504 | 0.2025 | 0.0304 |
| 0.75 | 270 | 0.0617 | 0.1769 | 0.03 |
| 0.75 | 282 | 0.0818 | 0.2102 | 0.03 |
| 0.85 | 90 | -0.089 | 0.2389 | 0.0301 |
| 0.85 | 102 | 0.1997 | 0.1745 | 0.0303 |
| 0.85 | 114 | -0.3219 | 0.1821 | 0.0307 |
| 0.85 | 126 | -0.3816 | 0.183 | 0.031 |
| 0.85 | 138 | 0.1541 | 0.2338 | 0.0302 |
| 0.85 | 150 | 0.1073 | 0.2458 | 0.0301 |
| 0.85 | 246 | -0.1309 | 0.1748 | 0.0301 |
| 0.85 | 258 | -0.1228 | 0.1669 | 0.0301 |
| 0.85 | 270 | -0.0372 | 0.2033 | 0.03 |
| 0.85 | 282 | -0.1747 | 0.1699 | 0.0302 |
| 0.95 | 102 | -0.0522 | 0.1953 | 0.03 |
| 0.95 | 114 | 0.4153 | 0.1765 | 0.0311 |
| 0.95 | 126 | -0.2732 | 0.1902 | 0.0305 |
| 0.95 | 138 | -0.3695 | 0.2051 | 0.0309 |
| 0.95 | 150 | -0.0619 | 0.2666 | 0.03 |
| 0.95 | 162 | -0.346 | 0.2226 | 0.0308 |
| 0.95 | 234 | 0.1261 | 0.2329 | 0.0301 |
| 0.95 | 246 | -0.1376 | 0.1875 | 0.0301 |
| 0.95 | 258 | 0.2434 | 0.2158 | 0.0304 |
| 0.95 | 270 | 0.2505 | 0.03 | |
| 0.95 | 282 | -0.3285 | 0.2329 | 0.0307 |
| 0.05 | 306 | -0.117 | 0.261 | 0.0301 |
| 0.15 | 66 | -0.2005 | 0.2447 | 0.0303 |
| 0.15 | 306 | 0.0717 | 0.2385 | 0.03 |
| 0.25 | 66 | -0.3447 | 0.2031 | 0.0308 |
| 0.35 | 66 | -0.0314 | 0.1891 | 0.03 |
| 0.35 | 78 | -0.223 | 0.19 | 0.0303 |
| 0.35 | 294 | 0.0904 | 0.2441 | 0.0301 |
| 0.35 | 306 | 0.2677 | 0.2396 | 0.0305 |
| 0.45 | 66 | 0.2642 | 0.197 | 0.0305 |
| 0.45 | 78 | 0.5564 | 0.1559 | 0.032 |
| 0.45 | 294 | -0.0595 | 0.239 | 0.03 |
| 0.55 | 66 | -0.0309 | 0.1994 | 0.03 |
| 0.55 | 78 | 0.1526 | 0.2304 | 0.0302 |
| 0.55 | 270 | 0.1708 | 0.2234 | 0.0302 |
| 0.65 | 258 | 0.2563 | 0.1816 | 0.0304 |
| 0.65 | 270 | -0.068 | 0.1886 | 0.03 |
| 0.65 | 282 | 0.1814 | 0.2468 | 0.0302 |
| 0.75 | 90 | 0.1548 | 0.2248 | 0.0302 |
| 0.75 | 102 | -0.0632 | 0.196 | 0.03 |
| 0.75 | 114 | 0.3453 | 0.165 | 0.0308 |
| 0.75 | 126 | 0.538 | 0.2166 | 0.0319 |
| 0.75 | 246 | -0.1176 | 0.2238 | 0.0301 |
| 0.75 | 258 | -0.146 | 0.1669 | 0.0301 |
| 0.75 | 270 | -0.0866 | 0.1918 | 0.0301 |
| 0.75 | 282 | 0.0012 | 0.1578 | 0.03 |
| 0.75 | 294 | 0.1191 | 0.2544 | 0.0301 |
| 0.85 | 90 | 0.2185 | 0.1875 | 0.0303 |
| 0.85 | 102 | 0.1148 | 0.171 | 0.0301 |
| 0.85 | 114 | -0.1657 | 0.1658 | 0.0302 |
| 0.85 | 126 | 0.4533 | 0.166 | 0.0313 |
| 0.85 | 138 | -0.076 | 0.1946 | 0.03 |
| 0.85 | 234 | 0.2891 | 0.177 | 0.0306 |
| 0.85 | 246 | -0.0765 | 0.1706 | 0.03 |
| 0.85 | 258 | -0.0855 | 0.1672 | 0.03 |
| 0.85 | 270 | -0.0904 | 0.1673 | 0.0301 |
| 0.85 | 282 | -0.0108 | 0.1679 | 0.03 |
| 0.95 | 102 | 0.4056 | 0.2082 | 0.0311 |
| 0.95 | 114 | -0.5282 | 0.1662 | 0.0318 |
| 0.95 | 126 | 0.2207 | 0.2176 | 0.0303 |
| 0.95 | 138 | 0.2686 | 0.2223 | 0.0305 |
| 0.95 | 150 | -0.2017 | 0.2192 | 0.0303 |
| 0.95 | 234 | 0.0904 | 0.2345 | 0.0301 |
| 0.95 | 246 | -0.1146 | 0.215 | 0.0301 |
| 0.95 | 258 | -0.2945 | 0.1749 | 0.0306 |
| 0.95 | 270 | -0.4284 | 0.224 | 0.0312 |