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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 : | 1655 GeV | |
| ε : | 0.9039 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.0979 |
|
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 | 66 | -0.275 | 0.2115 | 0.0305 |
| 0.25 | 66 | 0.25 | 0.2024 | 0.0304 |
| 0.25 | 78 | 0.2109 | 0.234 | 0.0303 |
| 0.25 | 270 | -0.3283 | 0.2472 | 0.0307 |
| 0.25 | 282 | 0.1225 | 0.2271 | 0.0301 |
| 0.25 | 294 | 0.0262 | 0.2737 | 0.03 |
| 0.35 | 66 | 0.1259 | 0.2253 | 0.0301 |
| 0.35 | 78 | -0.1232 | 0.2187 | 0.0301 |
| 0.35 | 114 | 0.1972 | 0.2541 | 0.0303 |
| 0.35 | 270 | 0.5638 | 0.1475 | 0.032 |
| 0.35 | 282 | 0.0935 | 0.1756 | 0.0301 |
| 0.35 | 294 | -0.0718 | 0.2556 | 0.03 |
| 0.45 | 66 | -0.3245 | 0.1971 | 0.0307 |
| 0.45 | 78 | 0.0775 | 0.2411 | 0.03 |
| 0.45 | 90 | 0.1707 | 0.2446 | 0.0302 |
| 0.45 | 102 | -0.2432 | 0.22 | 0.0304 |
| 0.45 | 114 | 0.1079 | 0.1969 | 0.0301 |
| 0.45 | 126 | 0.0054 | 0.1927 | 0.03 |
| 0.45 | 138 | 0.3287 | 0.2601 | 0.0307 |
| 0.45 | 210 | -0.3866 | 0.3302 | 0.031 |
| 0.45 | 222 | -0.0809 | 0.2451 | 0.03 |
| 0.45 | 258 | 0.2224 | 0.213 | 0.0303 |
| 0.45 | 270 | -0.0003 | 0.154 | 0.03 |
| 0.45 | 282 | 0.0041 | 0.1603 | 0.03 |
| 0.45 | 294 | 0.0512 | 0.2034 | 0.03 |
| 0.55 | 42 | -0.0576 | 0.2768 | 0.03 |
| 0.55 | 54 | -0.1166 | 0.2692 | 0.0301 |
| 0.55 | 66 | -0.1271 | 0.2128 | 0.0301 |
| 0.55 | 78 | 0.1628 | 0.2164 | 0.0302 |
| 0.55 | 90 | 0.1454 | 0.2125 | 0.0301 |
| 0.55 | 102 | 0.1003 | 0.178 | 0.0301 |
| 0.55 | 114 | 0.0027 | 0.1579 | 0.03 |
| 0.55 | 126 | -0.2156 | 0.1604 | 0.0303 |
| 0.55 | 138 | -0.033 | 0.1949 | 0.03 |
| 0.55 | 150 | -0.5128 | 0.2322 | 0.0317 |
| 0.55 | 174 | 0.0059 | 0.2793 | 0.03 |
| 0.55 | 186 | 0.0074 | 0.2558 | 0.03 |
| 0.55 | 198 | 0.0962 | 0.2384 | 0.0301 |
| 0.55 | 210 | 0.1649 | 0.2176 | 0.0302 |
| 0.55 | 222 | -0.193 | 0.1743 | 0.0302 |
| 0.55 | 234 | 0.206 | 0.2331 | 0.0303 |
| 0.55 | 246 | -0.1029 | 0.204 | 0.0301 |
| 0.55 | 258 | -0.0853 | 0.2012 | 0.03 |
| 0.55 | 270 | 0.0122 | 0.163 | 0.03 |
| 0.55 | 282 | 0.1658 | 0.2014 | 0.0302 |
| 0.65 | 42 | 0.0173 | 0.2628 | 0.03 |
| 0.65 | 54 | 0.4805 | 0.1541 | 0.0315 |
| 0.65 | 66 | -0.2538 | 0.2111 | 0.0304 |
| 0.65 | 78 | -0.1688 | 0.1988 | 0.0302 |
| 0.65 | 90 | 0.1266 | 0.2151 | 0.0301 |
| 0.65 | 102 | -0.0448 | 0.1477 | 0.03 |
| 0.65 | 114 | 0.036 | 0.1428 | 0.03 |
| 0.65 | 126 | -0.0642 | 0.1594 | 0.03 |
| 0.65 | 138 | 0.1005 | 0.1672 | 0.0301 |
| 0.65 | 150 | -0.0957 | 0.2477 | 0.0301 |
| 0.65 | 162 | 0.0461 | 0.2673 | 0.03 |
| 0.65 | 174 | -0.3863 | 0.2568 | 0.031 |
| 0.65 | 186 | 0.1778 | 0.2265 | 0.0302 |
| 0.65 | 198 | -0.1185 | 0.1721 | 0.0301 |
| 0.65 | 210 | 0.1534 | 0.1529 | 0.0302 |
| 0.65 | 222 | -0.0672 | 0.1524 | 0.03 |
| 0.65 | 234 | 0.2206 | 0.1722 | 0.0303 |
| 0.65 | 246 | 0.1917 | 0.1954 | 0.0302 |
| 0.65 | 258 | -0.0206 | 0.1678 | 0.03 |
| 0.65 | 270 | -0.0567 | 0.2238 | 0.03 |
| 0.65 | 282 | 0.1718 | 0.1685 | 0.0302 |
| 0.65 | 294 | 0.0168 | 0.1585 | 0.03 |
| 0.65 | 306 | 0.0778 | 0.2106 | 0.03 |
| 0.75 | 66 | 0.2753 | 0.2406 | 0.0305 |
| 0.75 | 78 | 0.1322 | 0.1811 | 0.0301 |
| 0.75 | 90 | -0.0537 | 0.1694 | 0.03 |
| 0.75 | 102 | -0.2018 | 0.1712 | 0.0303 |
| 0.75 | 114 | 0.0562 | 0.1531 | 0.03 |
| 0.75 | 126 | -0.0087 | 0.1431 | 0.03 |
| 0.75 | 138 | 0.2141 | 0.1753 | 0.0303 |
| 0.75 | 150 | -0.0668 | 0.1965 | 0.03 |
| 0.75 | 186 | -0.584 | 0.1654 | 0.0322 |
| 0.75 | 198 | 0.0383 | 0.1662 | 0.03 |
| 0.75 | 210 | -0.0177 | 0.1684 | 0.03 |
| 0.75 | 222 | 0.1788 | 0.134 | 0.0302 |
| 0.75 | 234 | 0.099 | 0.1379 | 0.0301 |
| 0.75 | 246 | 0.043 | 0.1609 | 0.03 |
| 0.75 | 258 | 0.6081 | 0.1786 | 0.0324 |
| 0.75 | 270 | -0.2351 | 0.1552 | 0.0304 |
| 0.75 | 282 | -0.1422 | 0.1354 | 0.0301 |
| 0.75 | 294 | -0.2364 | 0.1444 | 0.0304 |
| 0.85 | 78 | -0.14 | 0.1753 | 0.0301 |
| 0.85 | 90 | 0.0139 | 0.1331 | 0.03 |
| 0.85 | 102 | 0.0826 | 0.1372 | 0.03 |
| 0.85 | 114 | 0.313 | 0.1583 | 0.0306 |
| 0.85 | 126 | 0.4202 | 0.2089 | 0.0312 |
| 0.85 | 138 | -0.0472 | 0.2444 | 0.03 |
| 0.85 | 150 | 0.0181 | 0.2288 | 0.03 |
| 0.85 | 162 | 0.162 | 0.251 | 0.0302 |
| 0.85 | 174 | 0.0507 | 0.2152 | 0.03 |
| 0.85 | 186 | 0.0133 | 0.1584 | 0.03 |
| 0.85 | 198 | 0.0376 | 0.153 | 0.03 |
| 0.85 | 210 | 0.0111 | 0.1264 | 0.03 |
| 0.85 | 222 | 0.0056 | 0.1265 | 0.03 |
| 0.85 | 234 | -0.0808 | 0.148 | 0.03 |
| 0.85 | 246 | -0.085 | 0.1551 | 0.03 |
| 0.85 | 258 | 0.0241 | 0.1798 | 0.03 |
| 0.85 | 270 | -0.1811 | 0.1876 | 0.0302 |
| 0.85 | 282 | -0.037 | 0.1875 | 0.03 |
| 0.85 | 294 | 0.242 | 0.2363 | 0.0304 |
| 0.95 | 90 | 0.2015 | 0.2178 | 0.0303 |
| 0.95 | 102 | 0.2841 | 0.1918 | 0.0305 |
| 0.95 | 114 | 0.1829 | 0.1994 | 0.0302 |
| 0.95 | 126 | 0.1673 | 0.2677 | 0.0302 |
| 0.95 | 162 | -0.3735 | 0.2445 | 0.0309 |
| 0.95 | 174 | 0.2242 | 0.2355 | 0.0303 |
| 0.95 | 186 | -0.3047 | 0.254 | 0.0306 |
| 0.95 | 198 | -0.0227 | 0.185 | 0.03 |
| 0.95 | 210 | -0.0742 | 0.1649 | 0.03 |
| 0.95 | 222 | -0.2526 | 0.1482 | 0.0304 |
| 0.95 | 234 | -0.1593 | 0.1471 | 0.0302 |
| 0.95 | 246 | -0.2381 | 0.1423 | 0.0304 |
| 0.95 | 258 | 0.1202 | 0.1968 | 0.0301 |