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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 : | 0.0245 GeV2 | |
|---|---|---|
| W : | 1415 GeV | |
| ε : | 0.6987 | |
| Ebeam : | 1.0539 GeV | |
| εL: | 0.0458 |
|
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 | 42 | -0.3715 | 0.1971 | 0.0309 |
| 0.25 | 54 | 0.1797 | 0.2374 | 0.0302 |
| 0.35 | 30 | 0.0025 | 0.2127 | 0.03 |
| 0.35 | 42 | 0.1453 | 0.1793 | 0.0301 |
| 0.35 | 54 | 0.1763 | 0.1655 | 0.0302 |
| 0.45 | 18 | -0.0633 | 0.2466 | 0.03 |
| 0.45 | 30 | 0.1924 | 0.2117 | 0.0302 |
| 0.45 | 42 | -0.0888 | 0.1521 | 0.0301 |
| 0.45 | 54 | -0.119 | 0.1597 | 0.0301 |
| 0.45 | 222 | 0.0613 | 0.2152 | 0.03 |
| 0.45 | 234 | 0.1242 | 0.1874 | 0.0301 |
| 0.45 | 246 | -0.0965 | 0.2478 | 0.0301 |
| 0.55 | 30 | 0.0236 | 0.2346 | 0.03 |
| 0.55 | 42 | -0.054 | 0.1705 | 0.03 |
| 0.55 | 54 | 0.0138 | 0.1536 | 0.03 |
| 0.55 | 138 | -0.0943 | 0.2394 | 0.0301 |
| 0.55 | 150 | 0.2825 | 0.2117 | 0.0305 |
| 0.55 | 210 | 0.0491 | 0.2419 | 0.03 |
| 0.55 | 222 | 0.0401 | 0.1856 | 0.03 |
| 0.55 | 234 | 0.011 | 0.1549 | 0.03 |
| 0.55 | 246 | -0.0426 | 0.163 | 0.03 |
| 0.55 | 258 | -0.1752 | 0.1528 | 0.0302 |
| 0.65 | 138 | 0.1448 | 0.2039 | 0.0301 |
| 0.65 | 150 | 0.2311 | 0.1962 | 0.0304 |
| 0.65 | 162 | -0.1161 | 0.2149 | 0.0301 |
| 0.65 | 174 | 0.4521 | 0.2162 | 0.0313 |
| 0.65 | 210 | 0.0696 | 0.2367 | 0.03 |
| 0.65 | 222 | -0.2001 | 0.1745 | 0.0303 |
| 0.65 | 234 | 0.017 | 0.1512 | 0.03 |
| 0.65 | 246 | 0.1934 | 0.1377 | 0.0302 |
| 0.65 | 258 | 0.0752 | 0.1462 | 0.03 |
| 0.75 | 150 | 0.0164 | 0.204 | 0.03 |
| 0.75 | 162 | -0.0479 | 0.197 | 0.03 |
| 0.75 | 174 | 0.1899 | 0.2068 | 0.0302 |
| 0.75 | 210 | -0.2402 | 0.2422 | 0.0304 |
| 0.75 | 222 | -0.0405 | 0.1821 | 0.03 |
| 0.75 | 234 | -0.0859 | 0.1657 | 0.03 |
| 0.75 | 246 | -0.2133 | 0.1265 | 0.0303 |
| 0.75 | 258 | 0.2425 | 0.1519 | 0.0304 |
| 0.75 | 270 | 0.1821 | 0.2384 | 0.0302 |
| 0.85 | 222 | 0.0087 | 0.1891 | 0.03 |
| 0.85 | 234 | -0.1651 | 0.1661 | 0.0302 |
| 0.85 | 246 | 0.0535 | 0.1392 | 0.03 |
| 0.85 | 258 | -0.0696 | 0.1531 | 0.03 |