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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 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1505 GeV | |
| ε : | 0.9085 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.1069 |
|
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 | 54 | -0.034 | 0.1856 | 0.03 |
| 0.25 | 66 | 0.3365 | 0.1433 | 0.0309 |
| 0.25 | 78 | -0.1904 | 0.1567 | 0.0303 |
| 0.25 | 282 | 0.2237 | 0.1941 | 0.0303 |
| 0.25 | 294 | 0.2619 | 0.1545 | 0.0313 |
| 0.35 | 66 | 0.1848 | 0.1165 | 0.0303 |
| 0.35 | 78 | 0.1145 | 0.1295 | 0.0303 |
| 0.35 | 90 | -0.4122 | 0.2304 | 0.0311 |
| 0.35 | 270 | 0.159 | 0.1447 | 0.0302 |
| 0.35 | 282 | -0.0842 | 0.1262 | 0.0301 |
| 0.35 | 294 | -0.2147 | 0.1373 | 0.0307 |
| 0.35 | 306 | 0.0284 | 0.1773 | 0.0301 |
| 0.45 | 66 | -0.0782 | 0.1337 | 0.0301 |
| 0.45 | 78 | -0.0892 | 0.1328 | 0.0301 |
| 0.45 | 90 | 0.0877 | 0.1562 | 0.0301 |
| 0.45 | 102 | -0.1398 | 0.1612 | 0.0302 |
| 0.45 | 126 | -0.5539 | 0.2217 | 0.032 |
| 0.45 | 258 | 0.2629 | 0.1588 | 0.0305 |
| 0.45 | 270 | -0.0542 | 0.1275 | 0.03 |
| 0.45 | 282 | 0.0314 | 0.1182 | 0.0301 |
| 0.45 | 294 | -0.0727 | 0.1312 | 0.0301 |
| 0.55 | 66 | -0.4044 | 0.2444 | 0.0311 |
| 0.55 | 78 | -0.4083 | 0.1966 | 0.0311 |
| 0.55 | 90 | -0.1577 | 0.143 | 0.0302 |
| 0.55 | 102 | 0.0158 | 0.1529 | 0.0302 |
| 0.55 | 114 | -0.1426 | 0.1384 | 0.0303 |
| 0.55 | 126 | -0.0666 | 0.1361 | 0.0302 |
| 0.55 | 138 | -0.0503 | 0.148 | 0.0303 |
| 0.55 | 222 | -0.1925 | 0.1603 | 0.0306 |
| 0.55 | 234 | 0.0192 | 0.1569 | 0.0301 |
| 0.55 | 246 | -0.1105 | 0.2362 | 0.0301 |
| 0.55 | 258 | 0.2414 | 0.2153 | 0.0304 |
| 0.55 | 270 | 0.1835 | 0.1328 | 0.0302 |
| 0.55 | 282 | 0.0217 | 0.1201 | 0.03 |
| 0.65 | 66 | -0.4394 | 0.1993 | 0.0313 |
| 0.65 | 78 | -0.2281 | 0.2389 | 0.0303 |
| 0.65 | 102 | 0.2326 | 0.1694 | 0.0304 |
| 0.65 | 114 | 0.0638 | 0.1569 | 0.03 |
| 0.65 | 126 | -0.1396 | 0.1675 | 0.0301 |
| 0.65 | 138 | -0.0687 | 0.1729 | 0.03 |
| 0.65 | 150 | -0.0557 | 0.2151 | 0.03 |
| 0.65 | 198 | 0.3455 | 0.2391 | 0.0308 |
| 0.65 | 210 | 0.1274 | 0.2055 | 0.0301 |
| 0.65 | 222 | 0.1017 | 0.2213 | 0.0301 |
| 0.65 | 234 | -0.1238 | 0.1701 | 0.0301 |
| 0.65 | 246 | 0.1849 | 0.1993 | 0.0302 |
| 0.65 | 258 | 0.1801 | 0.1962 | 0.0302 |
| 0.65 | 270 | -0.0079 | 0.2178 | 0.03 |
| 0.65 | 282 | 0.2462 | 0.241 | 0.0304 |
| 0.65 | 294 | -0.2528 | 0.1898 | 0.0304 |
| 0.65 | 306 | -0.0256 | 0.2632 | 0.03 |
| 0.75 | 66 | 0.0988 | 0.2376 | 0.0301 |
| 0.75 | 78 | -0.3826 | 0.2623 | 0.031 |
| 0.75 | 90 | 0.2347 | 0.2544 | 0.0304 |
| 0.75 | 102 | 0.3623 | 0.224 | 0.0309 |
| 0.75 | 114 | 0.1357 | 0.1579 | 0.0301 |
| 0.75 | 126 | -0.0662 | 0.1597 | 0.03 |
| 0.75 | 138 | 0.0272 | 0.1933 | 0.03 |
| 0.75 | 150 | 0.2941 | 0.2094 | 0.0306 |
| 0.75 | 198 | 0.0983 | 0.2102 | 0.0301 |
| 0.75 | 210 | -0.112 | 0.1699 | 0.0301 |
| 0.75 | 222 | -0.0822 | 0.1547 | 0.03 |
| 0.75 | 234 | 0.0001 | 0.1757 | 0.03 |
| 0.75 | 246 | 0.0282 | 0.1682 | 0.03 |
| 0.75 | 258 | 0.3307 | 0.2062 | 0.0307 |
| 0.75 | 270 | -0.119 | 0.2519 | 0.0301 |
| 0.75 | 282 | 0.0379 | 0.1885 | 0.03 |
| 0.75 | 294 | 0.1579 | 0.2031 | 0.0302 |
| 0.85 | 90 | -0.3126 | 0.1889 | 0.0306 |
| 0.85 | 102 | 0.2066 | 0.1842 | 0.0303 |
| 0.85 | 126 | 0.2278 | 0.2132 | 0.0303 |
| 0.85 | 138 | 0.0888 | 0.2299 | 0.0301 |
| 0.85 | 198 | 0.1205 | 0.2169 | 0.0301 |
| 0.85 | 210 | 0.0651 | 0.1792 | 0.03 |
| 0.85 | 222 | 0.0049 | 0.1773 | 0.03 |
| 0.85 | 234 | -0.1169 | 0.1751 | 0.0301 |
| 0.85 | 246 | 0.0884 | 0.1727 | 0.0301 |
| 0.85 | 258 | -0.1294 | 0.2333 | 0.0301 |
| 0.85 | 270 | 0.0432 | 0.2289 | 0.03 |
| 0.95 | 102 | -0.0896 | 0.2595 | 0.0301 |
| 0.95 | 114 | -0.0675 | 0.2012 | 0.03 |
| 0.95 | 210 | 0.0682 | 0.2463 | 0.03 |
| 0.95 | 222 | 0.4868 | 0.2388 | 0.0315 |
| 0.95 | 234 | 0.399 | 0.1882 | 0.031 |
| 0.95 | 246 | -0.4517 | 0.2198 | 0.0313 |
| 0.55 | 294 | -0.226 | 0.2397 | 0.0303 |
| 0.65 | 66 | 0.4098 | 0.208 | 0.0311 |
| 0.65 | 78 | 0.0008 | 0.2456 | 0.03 |
| 0.65 | 90 | -0.009 | 0.2564 | 0.03 |
| 0.65 | 102 | 0.2052 | 0.2156 | 0.0303 |
| 0.65 | 114 | -0.1639 | 0.1808 | 0.0302 |
| 0.65 | 126 | 0.0548 | 0.1865 | 0.03 |
| 0.65 | 138 | -0.1441 | 0.2158 | 0.0301 |
| 0.65 | 150 | 0.1531 | 0.2541 | 0.0302 |
| 0.65 | 198 | 0.3408 | 0.2253 | 0.0308 |
| 0.65 | 210 | 0.041 | 0.2009 | 0.03 |
| 0.65 | 222 | -0.0006 | 0.1732 | 0.03 |
| 0.65 | 234 | 0.0476 | 0.1808 | 0.03 |
| 0.65 | 246 | 0.06 | 0.2069 | 0.03 |
| 0.65 | 258 | 0.1878 | 0.2282 | 0.0302 |
| 0.65 | 270 | -0.0514 | 0.2213 | 0.03 |
| 0.65 | 282 | 0.1088 | 0.2172 | 0.0301 |
| 0.65 | 294 | 0.1875 | 0.1979 | 0.0302 |
| 0.65 | 306 | 0.3884 | 0.2342 | 0.031 |
| 0.75 | 66 | -0.5537 | 0.1903 | 0.032 |
| 0.75 | 78 | 0.1412 | 0.2739 | 0.0301 |
| 0.75 | 102 | 0.3041 | 0.2272 | 0.0306 |
| 0.75 | 114 | -0.0813 | 0.1561 | 0.03 |
| 0.75 | 126 | -0.0177 | 0.1844 | 0.03 |
| 0.75 | 138 | -0.0489 | 0.1702 | 0.03 |
| 0.75 | 150 | -0.23 | 0.2167 | 0.0304 |
| 0.75 | 198 | 0.012 | 0.259 | 0.03 |
| 0.75 | 210 | -0.2622 | 0.1929 | 0.0305 |
| 0.75 | 222 | -0.2985 | 0.1883 | 0.0306 |
| 0.75 | 234 | 0.1229 | 0.1575 | 0.0301 |
| 0.75 | 246 | -0.0607 | 0.1772 | 0.03 |
| 0.75 | 258 | 0.3512 | 0.2475 | 0.0308 |
| 0.75 | 270 | -0.4297 | 0.2166 | 0.0312 |
| 0.75 | 282 | -0.1465 | 0.2021 | 0.0301 |
| 0.75 | 294 | 0.1223 | 0.1901 | 0.0301 |
| 0.85 | 90 | -0.0364 | 0.2333 | 0.03 |
| 0.85 | 102 | 0.2781 | 0.2007 | 0.0305 |
| 0.85 | 114 | 0.2462 | 0.2216 | 0.0304 |
| 0.85 | 126 | -0.4216 | 0.2152 | 0.0312 |
| 0.85 | 138 | -0.2029 | 0.227 | 0.0303 |
| 0.85 | 198 | -0.0027 | 0.2455 | 0.03 |
| 0.85 | 210 | 0.216 | 0.1971 | 0.0303 |
| 0.85 | 222 | -0.238 | 0.2038 | 0.0304 |
| 0.85 | 234 | -0.0634 | 0.1718 | 0.03 |
| 0.85 | 246 | 0.0424 | 0.1751 | 0.03 |
| 0.85 | 258 | 0.3564 | 0.1996 | 0.0308 |
| 0.85 | 270 | 0.2786 | 0.2303 | 0.0305 |
| 0.95 | 234 | 0.2687 | 0.2068 | 0.0305 |
| 0.95 | 246 | -0.1533 | 0.2358 | 0.0302 |