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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 : | 0.205 GeV2 | |
|---|---|---|
| W : | 1235 GeV | |
| ε : | 0.7395 | |
| Ebeam : | 1.0539 GeV | |
| εL: | 0.7393 |
|
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 |
|---|---|---|---|---|
| 0.45 | 282 | 0.0937 | 0.2589 | 0.0301 |
| 0.55 | 270 | -0.2985 | 0.1928 | 0.0306 |
| 0.55 | 282 | -0.5202 | 0.2241 | 0.0318 |
| 0.65 | 294 | 0.0437 | 0.2439 | 0.03 |
| 0.75 | 270 | -0.6176 | 0.2016 | 0.0324 |
| 0.85 | 126 | 0.3613 | 0.2342 | 0.0309 |
| 0.85 | 150 | 0.0509 | 0.2446 | 0.03 |
| 0.95 | 186 | 0.2714 | 0.2409 | 0.0305 |