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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 : | 0.0593 GeV2 | |
|---|---|---|
| W : | 1475 GeV | |
| ε : | 0.5361 | |
| Ebeam : | 1.0539 GeV | |
| εL: | 0.061 |
|
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 |
|---|---|---|---|---|
| 0.35 | 54 | 0.1471 | 0.2269 | 0.0301 |
| 0.55 | 246 | -0.3985 | 0.2177 | 0.031 |
| 0.65 | 234 | -0.2874 | 0.246 | 0.0305 |
| 0.65 | 246 | -0.0273 | 0.1773 | 0.03 |
| 0.65 | 258 | -0.4455 | 0.1725 | 0.0313 |
| 0.75 | 246 | -0.1726 | 0.2414 | 0.0302 |
| 0.75 | 258 | -0.4108 | 0.1912 | 0.0311 |
| 0.85 | 246 | -0.5647 | 0.2277 | 0.0321 |
| 0.85 | 258 | -0.0938 | 0.2077 | 0.0301 |
| 0.85 | 270 | -0.4277 | 0.2466 | 0.0312 |