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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 : | 0.348 GeV2 | |
|---|---|---|
| W : | 1445 GeV | |
| ε : | 0.8109 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.4107 |
|
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 |
|---|---|---|---|---|
| 0.65 | 90 | 0.349 | 0.2424 | 0.0308 |
| 0.65 | 102 | -0.1187 | 0.2539 | 0.0301 |
| 0.75 | 90 | 0.3987 | 0.2529 | 0.031 |
| 0.75 | 102 | -0.3886 | 0.2489 | 0.031 |
| 0.75 | 246 | -0.0122 | 0.2776 | 0.03 |
| 0.75 | 258 | -0.2193 | 0.2376 | 0.0303 |
| 0.75 | 270 | -0.4289 | 0.2356 | 0.0312 |
| 0.85 | 246 | -0.2179 | 0.2466 | 0.0303 |
| 0.85 | 270 | 0.5062 | 0.2417 | 0.0317 |
| 0.85 | 282 | 0.191 | 0.2386 | 0.0302 |
| 0.85 | 294 | -0.0971 | 0.2439 | 0.0301 |
| 0.95 | 282 | 0.1492 | 0.2553 | 0.0301 |
| 0.95 | 294 | 0.359 | 0.262 | 0.0308 |