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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 : | 0.2445 GeV2 | |
|---|---|---|
| W : | 1775 GeV | |
| ε : | 0.8281 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.1128 |
|
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 |
|---|---|---|---|---|
| 0.75 | 198 | -0.401 | 0.2749 | 0.0311 |
| 0.85 | 78 | 0.1789 | 0.2597 | 0.0302 |
| 0.85 | 102 | -0.1213 | 0.2482 | 0.0301 |
| 0.85 | 186 | 0.5164 | 0.2532 | 0.0317 |
| 0.85 | 198 | 0.2477 | 0.2295 | 0.0304 |
| 0.85 | 210 | 0.1405 | 0.2235 | 0.0301 |
| 0.85 | 222 | -0.2762 | 0.231 | 0.0305 |
| 0.85 | 234 | -0.1894 | 0.2185 | 0.0302 |
| 0.85 | 246 | 0.0018 | 0.2813 | 0.03 |
| 0.95 | 198 | -0.1796 | 0.2761 | 0.0302 |
| 0.95 | 210 | -0.3699 | 0.2214 | 0.0309 |
| 0.95 | 222 | -0.1343 | 0.2388 | 0.0301 |
| 0.95 | 234 | 0.257 | 0.2475 | 0.0304 |
| 0.95 | 246 | 0.2405 | 0.233 | 0.0304 |