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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 : | 0.0496 GeV2 | |
|---|---|---|
| W : | 1385 GeV | |
| ε : | 0.9354 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1382 |
|
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 |
|---|---|---|---|---|
| 0.15 | 30 | -0.2606 | 0.2386 | 0.0304 |
| 0.15 | 42 | -0.3739 | 0.2251 | 0.0309 |
| 0.15 | 318 | 0.4379 | 0.2411 | 0.0313 |
| 0.15 | 342 | -0.1861 | 0.2235 | 0.0302 |
| 0.25 | 54 | 0.1226 | 0.263 | 0.0301 |
| 0.25 | 66 | -0.2275 | 0.1875 | 0.0303 |
| 0.25 | 78 | 0.0462 | 0.2111 | 0.03 |
| 0.25 | 282 | -0.1187 | 0.2463 | 0.0301 |
| 0.25 | 294 | 0.0496 | 0.1945 | 0.03 |
| 0.25 | 306 | -0.0132 | 0.1888 | 0.03 |
| 0.25 | 342 | 0.1437 | 0.2506 | 0.0301 |
| 0.35 | 18 | 0.0693 | 0.2678 | 0.03 |
| 0.35 | 30 | 0.0584 | 0.2358 | 0.03 |
| 0.35 | 66 | 0.1111 | 0.1509 | 0.0301 |
| 0.35 | 78 | -0.0102 | 0.1441 | 0.03 |
| 0.35 | 90 | -0.0676 | 0.21 | 0.03 |
| 0.35 | 270 | -0.3357 | 0.2413 | 0.0307 |
| 0.35 | 282 | -0.1507 | 0.1503 | 0.0302 |
| 0.35 | 294 | 0.035 | 0.1377 | 0.03 |
| 0.35 | 306 | -0.236 | 0.1845 | 0.0304 |
| 0.35 | 330 | 0.3507 | 0.2249 | 0.0308 |
| 0.45 | 66 | -0.1748 | 0.1517 | 0.0302 |
| 0.45 | 78 | 0.0203 | 0.1245 | 0.03 |
| 0.45 | 90 | 0.2121 | 0.1519 | 0.0303 |
| 0.45 | 102 | -0.0721 | 0.2513 | 0.03 |
| 0.45 | 258 | 0.4873 | 0.2412 | 0.0315 |
| 0.45 | 270 | 0.0336 | 0.1587 | 0.03 |
| 0.45 | 282 | -0.0351 | 0.1335 | 0.03 |
| 0.45 | 294 | -0.0948 | 0.1365 | 0.0301 |
| 0.45 | 306 | -0.2577 | 0.1751 | 0.0304 |
| 0.55 | 66 | -0.2765 | 0.1817 | 0.0305 |
| 0.55 | 78 | 0.0088 | 0.1318 | 0.03 |
| 0.55 | 90 | 0.0396 | 0.1538 | 0.03 |
| 0.55 | 102 | 0.2034 | 0.2226 | 0.0303 |
| 0.55 | 114 | -0.0128 | 0.1777 | 0.03 |
| 0.55 | 126 | 0.0615 | 0.2077 | 0.03 |
| 0.55 | 234 | -0.2012 | 0.2708 | 0.0303 |
| 0.55 | 246 | -0.0645 | 0.2224 | 0.03 |
| 0.55 | 258 | 0.2197 | 0.1872 | 0.0303 |
| 0.55 | 270 | -0.1915 | 0.1553 | 0.0302 |
| 0.55 | 282 | 0.0797 | 0.1332 | 0.03 |
| 0.55 | 294 | 0.1476 | 0.1594 | 0.0301 |
| 0.65 | 66 | 0.0288 | 0.1717 | 0.03 |
| 0.65 | 78 | -0.0266 | 0.1736 | 0.03 |
| 0.65 | 90 | -0.0981 | 0.1869 | 0.0301 |
| 0.65 | 102 | -0.307 | 0.1611 | 0.0306 |
| 0.65 | 114 | 0.1283 | 0.163 | 0.0301 |
| 0.65 | 126 | -0.0811 | 0.1464 | 0.03 |
| 0.65 | 138 | -0.1649 | 0.1635 | 0.0302 |
| 0.65 | 150 | -0.1662 | 0.2175 | 0.0302 |
| 0.65 | 210 | -0.1841 | 0.2703 | 0.0302 |
| 0.65 | 222 | -0.4863 | 0.1603 | 0.0315 |
| 0.65 | 234 | -0.5336 | 0.1462 | 0.0318 |
| 0.65 | 246 | -0.1964 | 0.1633 | 0.0303 |
| 0.65 | 258 | 0.0477 | 0.1652 | 0.03 |
| 0.65 | 270 | -0.2004 | 0.1513 | 0.0303 |
| 0.65 | 282 | -0.0697 | 0.206 | 0.03 |
| 0.65 | 294 | -0.023 | 0.2279 | 0.03 |
| 0.65 | 306 | -0.0392 | 0.2466 | 0.03 |
| 0.75 | 78 | 0.0068 | 0.1993 | 0.03 |
| 0.75 | 90 | -0.1159 | 0.2324 | 0.0301 |
| 0.75 | 102 | 0.2511 | 0.1547 | 0.0304 |
| 0.75 | 114 | -0.0522 | 0.1375 | 0.03 |
| 0.75 | 126 | 0.0951 | 0.1192 | 0.0301 |
| 0.75 | 138 | -0.09 | 0.1524 | 0.0301 |
| 0.75 | 150 | -0.0001 | 0.1738 | 0.03 |
| 0.75 | 162 | 0.4739 | 0.2151 | 0.0315 |
| 0.75 | 186 | -0.2745 | 0.2842 | 0.0305 |
| 0.75 | 198 | -0.4513 | 0.2483 | 0.0313 |
| 0.75 | 210 | 0.4477 | 0.1658 | 0.0313 |
| 0.75 | 222 | 0.1006 | 0.1506 | 0.0301 |
| 0.75 | 234 | 0.1803 | 0.1321 | 0.0302 |
| 0.75 | 246 | -0.0553 | 0.1385 | 0.03 |
| 0.75 | 258 | 0.0277 | 0.1453 | 0.03 |
| 0.75 | 270 | -0.0098 | 0.1916 | 0.03 |
| 0.75 | 282 | 0.2453 | 0.2149 | 0.0304 |
| 0.85 | 90 | -0.3275 | 0.2419 | 0.0307 |
| 0.85 | 102 | -0.5166 | 0.2077 | 0.0317 |
| 0.85 | 114 | -0.124 | 0.1521 | 0.0301 |
| 0.85 | 126 | 0.1166 | 0.1475 | 0.0301 |
| 0.85 | 138 | 0.161 | 0.1551 | 0.0302 |
| 0.85 | 150 | 0.1072 | 0.1874 | 0.0301 |
| 0.85 | 174 | -0.2467 | 0.2608 | 0.0304 |
| 0.85 | 198 | 0.0961 | 0.2549 | 0.0301 |
| 0.85 | 210 | -0.165 | 0.1887 | 0.0302 |
| 0.85 | 222 | -0.4345 | 0.1401 | 0.0312 |
| 0.85 | 234 | -0.1194 | 0.1315 | 0.0301 |
| 0.85 | 246 | 0.1711 | 0.1503 | 0.0302 |
| 0.85 | 258 | 0.0903 | 0.1583 | 0.0301 |
| 0.85 | 270 | -0.124 | 0.2 | 0.0301 |
| 0.95 | 198 | -0.2805 | 0.2828 | 0.0305 |
| 0.95 | 210 | -0.0077 | 0.2886 | 0.03 |
| 0.95 | 222 | 0.0516 | 0.1994 | 0.03 |
| 0.95 | 234 | -0.2397 | 0.2132 | 0.0304 |
| 0.95 | 246 | -0.1757 | 0.1894 | 0.0302 |
| 0.95 | 258 | -0.1948 | 0.2455 | 0.0303 |