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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 : | 0.101 GeV2 | |
|---|---|---|
| W : | 1385 GeV | |
| ε : | 0.9207 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.2524 |
|
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 | 0.1367 | 0.2013 | 0.0301 |
| 0.25 | 78 | 0.0979 | 0.2297 | 0.0301 |
| 0.25 | 294 | 0.2144 | 0.2033 | 0.0303 |
| 0.25 | 306 | 0.2099 | 0.2607 | 0.0303 |
| 0.35 | 66 | 0.079 | 0.1963 | 0.03 |
| 0.35 | 78 | 0.1308 | 0.22 | 0.0301 |
| 0.35 | 282 | 0.0661 | 0.2503 | 0.03 |
| 0.35 | 294 | 0.0529 | 0.216 | 0.03 |
| 0.35 | 306 | -0.1043 | 0.2262 | 0.0301 |
| 0.45 | 66 | 0.0541 | 0.1996 | 0.03 |
| 0.45 | 78 | 0.0772 | 0.1736 | 0.03 |
| 0.45 | 90 | 0.1198 | 0.2619 | 0.0301 |
| 0.45 | 282 | 0.1137 | 0.1796 | 0.0301 |
| 0.45 | 294 | -0.0139 | 0.2086 | 0.03 |
| 0.55 | 66 | 0.1453 | 0.1983 | 0.0301 |
| 0.55 | 78 | 0.1367 | 0.1877 | 0.0301 |
| 0.55 | 90 | -0.2044 | 0.2346 | 0.0303 |
| 0.55 | 102 | 0.3467 | 0.2279 | 0.0308 |
| 0.55 | 114 | -0.1211 | 0.2525 | 0.0301 |
| 0.55 | 246 | 0.1899 | 0.2629 | 0.0302 |
| 0.55 | 258 | 0.1623 | 0.2186 | 0.0302 |
| 0.55 | 270 | 0.4657 | 0.2197 | 0.0314 |
| 0.55 | 282 | 0.2082 | 0.2226 | 0.0303 |
| 0.55 | 294 | 0.0345 | 0.2278 | 0.03 |
| 0.65 | 66 | 0.055 | 0.2135 | 0.03 |
| 0.65 | 78 | 0.0592 | 0.2462 | 0.03 |
| 0.65 | 90 | -0.2169 | 0.2556 | 0.0303 |
| 0.65 | 102 | -0.2292 | 0.2075 | 0.0303 |
| 0.65 | 114 | 0.0076 | 0.1753 | 0.03 |
| 0.65 | 126 | 0.3806 | 0.2088 | 0.031 |
| 0.65 | 234 | -0.1157 | 0.2147 | 0.0301 |
| 0.65 | 246 | 0.0743 | 0.1939 | 0.03 |
| 0.65 | 258 | 0.047 | 0.1874 | 0.03 |
| 0.65 | 270 | 0.1556 | 0.2474 | 0.0302 |
| 0.75 | 90 | 0.1879 | 0.2328 | 0.0302 |
| 0.75 | 102 | 0.1031 | 0.1665 | 0.0301 |
| 0.75 | 114 | -0.0949 | 0.1491 | 0.0301 |
| 0.75 | 126 | -0.2583 | 0.1626 | 0.0304 |
| 0.75 | 138 | 0.3149 | 0.18 | 0.0307 |
| 0.75 | 150 | 0.1191 | 0.2587 | 0.0301 |
| 0.75 | 210 | 0.0155 | 0.2258 | 0.03 |
| 0.75 | 222 | -0.3959 | 0.1728 | 0.031 |
| 0.75 | 234 | -0.1122 | 0.1722 | 0.0301 |
| 0.75 | 246 | -0.0718 | 0.1651 | 0.03 |
| 0.75 | 258 | -0.0517 | 0.1483 | 0.03 |
| 0.75 | 270 | 0.0933 | 0.2172 | 0.0301 |
| 0.75 | 282 | 0.1393 | 0.262 | 0.0301 |
| 0.85 | 90 | 0.032 | 0.2303 | 0.03 |
| 0.85 | 102 | 0.4215 | 0.1669 | 0.0312 |
| 0.85 | 114 | 0.2367 | 0.1452 | 0.0304 |
| 0.85 | 126 | 0.2902 | 0.1713 | 0.0306 |
| 0.85 | 138 | 0.1296 | 0.1856 | 0.0301 |
| 0.85 | 150 | 0.2028 | 0.204 | 0.0303 |
| 0.85 | 162 | -0.3891 | 0.2811 | 0.031 |
| 0.85 | 210 | -0.3503 | 0.211 | 0.0308 |
| 0.85 | 222 | 0.0504 | 0.2026 | 0.03 |
| 0.85 | 234 | -0.169 | 0.1769 | 0.0302 |
| 0.85 | 246 | -0.0141 | 0.1577 | 0.03 |
| 0.85 | 258 | 0.2519 | 0.1504 | 0.0304 |
| 0.85 | 270 | 0.2958 | 0.1847 | 0.0306 |
| 0.85 | 282 | -0.0585 | 0.1935 | 0.03 |
| 0.95 | 90 | -0.2079 | 0.2623 | 0.0303 |
| 0.95 | 102 | 0.5827 | 0.2266 | 0.0322 |
| 0.95 | 114 | 0.0494 | 0.2628 | 0.03 |
| 0.95 | 126 | 0.1542 | 0.2738 | 0.0302 |
| 0.95 | 222 | 0.081 | 0.2019 | 0.03 |
| 0.95 | 234 | 0.0231 | 0.1909 | 0.03 |
| 0.95 | 246 | -0.1954 | 0.1761 | 0.0303 |
| 0.95 | 258 | 0.095 | 0.1839 | 0.0301 |
| 0.95 | 270 | -0.1347 | 0.1795 | 0.0301 |