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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 : | 1325 GeV | |
| ε : | 0.971 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.4728 |
|
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 | -0.573 | 0.2279 | 0.0321 |
| 0.05 | 306 | 0.103 | 0.2426 | 0.0301 |
| 0.15 | 54 | -0.0719 | 0.2784 | 0.03 |
| 0.15 | 66 | -0.4179 | 0.185 | 0.0311 |
| 0.15 | 294 | 0.1093 | 0.2388 | 0.0301 |
| 0.15 | 306 | -0.0187 | 0.1786 | 0.03 |
| 0.15 | 318 | -0.0541 | 0.2668 | 0.03 |
| 0.25 | 54 | 0.0817 | 0.2456 | 0.03 |
| 0.25 | 66 | 0.1445 | 0.155 | 0.0301 |
| 0.25 | 78 | 0.2014 | 0.274 | 0.0303 |
| 0.25 | 294 | -0.0481 | 0.2185 | 0.03 |
| 0.25 | 306 | -0.0185 | 0.2005 | 0.03 |
| 0.35 | 54 | 0.1419 | 0.2744 | 0.0301 |
| 0.35 | 66 | -0.0219 | 0.16 | 0.03 |
| 0.35 | 78 | -0.2376 | 0.184 | 0.0304 |
| 0.35 | 282 | 0.357 | 0.2295 | 0.0308 |
| 0.35 | 294 | 0.2788 | 0.1798 | 0.0305 |
| 0.35 | 306 | -0.0158 | 0.2511 | 0.03 |
| 0.45 | 54 | 0.6367 | 0.1953 | 0.0326 |
| 0.45 | 66 | 0.098 | 0.1573 | 0.0301 |
| 0.45 | 78 | 0.4433 | 0.1745 | 0.0313 |
| 0.45 | 282 | 0.2893 | 0.2318 | 0.0306 |
| 0.45 | 294 | -0.3664 | 0.1754 | 0.0309 |
| 0.55 | 66 | -0.0024 | 0.2319 | 0.03 |
| 0.55 | 78 | 0.1763 | 0.2387 | 0.0302 |
| 0.55 | 90 | 0.2468 | 0.2351 | 0.0304 |
| 0.55 | 270 | -0.2664 | 0.2022 | 0.0305 |
| 0.55 | 282 | 0.2046 | 0.176 | 0.0303 |
| 0.55 | 294 | 0.095 | 0.2305 | 0.0301 |
| 0.65 | 66 | -0.3921 | 0.25 | 0.031 |
| 0.65 | 78 | 0.0052 | 0.2088 | 0.03 |
| 0.65 | 90 | -0.2071 | 0.1568 | 0.0303 |
| 0.65 | 102 | -0.1522 | 0.1481 | 0.0302 |
| 0.65 | 114 | 0.237 | 0.2053 | 0.0304 |
| 0.65 | 258 | -0.2107 | 0.1779 | 0.0303 |
| 0.65 | 270 | -0.1717 | 0.1416 | 0.0302 |
| 0.65 | 282 | 0.0585 | 0.1639 | 0.03 |
| 0.65 | 294 | 0.453 | 0.2109 | 0.0313 |
| 0.75 | 78 | 0.0593 | 0.1453 | 0.03 |
| 0.75 | 90 | 0.0632 | 0.1207 | 0.03 |
| 0.75 | 102 | -0.0934 | 0.1268 | 0.0301 |
| 0.75 | 114 | 0.0616 | 0.1394 | 0.03 |
| 0.75 | 126 | -0.2869 | 0.1843 | 0.0305 |
| 0.75 | 234 | 0.2622 | 0.1963 | 0.0305 |
| 0.75 | 246 | 0.0833 | 0.146 | 0.03 |
| 0.75 | 258 | -0.0724 | 0.1192 | 0.03 |
| 0.75 | 270 | 0.2132 | 0.1153 | 0.0303 |
| 0.75 | 282 | 0.151 | 0.1375 | 0.0302 |
| 0.75 | 294 | -0.0662 | 0.1705 | 0.03 |
| 0.85 | 78 | 0.2767 | 0.1534 | 0.0305 |
| 0.85 | 90 | 0.1181 | 0.1205 | 0.0301 |
| 0.85 | 102 | 0.0958 | 0.1117 | 0.0301 |
| 0.85 | 114 | 0.0399 | 0.1259 | 0.03 |
| 0.85 | 126 | 0.0438 | 0.1518 | 0.03 |
| 0.85 | 138 | 0.0853 | 0.149 | 0.03 |
| 0.85 | 150 | -0.2751 | 0.2183 | 0.0305 |
| 0.85 | 198 | 0.1447 | 0.2488 | 0.0301 |
| 0.85 | 210 | -0.4676 | 0.2214 | 0.0314 |
| 0.85 | 222 | -0.2831 | 0.1833 | 0.0305 |
| 0.85 | 234 | 0.113 | 0.1489 | 0.0301 |
| 0.85 | 246 | 0.0007 | 0.13 | 0.03 |
| 0.85 | 258 | -0.0433 | 0.1159 | 0.03 |
| 0.85 | 270 | -0.0617 | 0.1231 | 0.03 |
| 0.85 | 282 | -0.1719 | 0.1215 | 0.0302 |
| 0.85 | 294 | 0.1698 | 0.1205 | 0.0302 |
| 0.85 | 306 | -0.4 | 0.2323 | 0.031 |
| 0.95 | 54 | 0.4537 | 0.2566 | 0.0313 |
| 0.95 | 78 | -0.0598 | 0.2116 | 0.03 |
| 0.95 | 90 | -0.1226 | 0.1568 | 0.0301 |
| 0.95 | 102 | -0.266 | 0.1442 | 0.0305 |
| 0.95 | 114 | 0.3337 | 0.1669 | 0.0307 |
| 0.95 | 126 | 0.1475 | 0.1632 | 0.0301 |
| 0.95 | 138 | -0.2839 | 0.1587 | 0.0305 |
| 0.95 | 150 | 0.165 | 0.1798 | 0.0302 |
| 0.95 | 162 | 0.2196 | 0.2073 | 0.0303 |
| 0.95 | 174 | 0.0527 | 0.2126 | 0.03 |
| 0.95 | 186 | -0.0578 | 0.2419 | 0.03 |
| 0.95 | 210 | 0.0604 | 0.2099 | 0.03 |
| 0.95 | 222 | -0.0653 | 0.1693 | 0.03 |
| 0.95 | 234 | -0.1082 | 0.1587 | 0.0301 |
| 0.95 | 246 | 0.0542 | 0.1353 | 0.03 |
| 0.95 | 258 | 0.0547 | 0.1436 | 0.03 |
| 0.95 | 270 | -0.1651 | 0.1252 | 0.0302 |
| 0.95 | 282 | 0.0389 | 0.1293 | 0.03 |
| 0.95 | 294 | -0.0714 | 0.1501 | 0.03 |
| 0.95 | 306 | 0.2104 | 0.2306 | 0.0303 |