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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 : | 0.496 GeV2 | |
|---|---|---|
| W : | 1625 GeV | |
| ε : | 0.8443 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.2897 |
|
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 |
|---|---|---|---|---|
| 0.55 | 90 | 0.2847 | 0.2748 | 0.0305 |
| 0.65 | 102 | 0.393 | 0.2635 | 0.031 |
| 0.65 | 114 | -0.6076 | 0.2316 | 0.0324 |
| 0.75 | 234 | 0.0689 | 0.2527 | 0.03 |
| 0.75 | 258 | 0.1532 | 0.2682 | 0.0302 |
| 0.85 | 66 | -0.5023 | 0.2423 | 0.0316 |
| 0.85 | 78 | -0.1573 | 0.2893 | 0.0302 |
| 0.85 | 222 | -0.3342 | 0.2532 | 0.0307 |
| 0.85 | 234 | -0.0499 | 0.2392 | 0.03 |
| 0.85 | 246 | -0.3039 | 0.2148 | 0.0306 |
| 0.85 | 258 | 0.1342 | 0.2284 | 0.0301 |
| 0.85 | 270 | -0.4475 | 0.2458 | 0.0313 |
| 0.85 | 282 | -0.0384 | 0.2775 | 0.03 |
| 0.95 | 234 | -0.265 | 0.2347 | 0.0305 |
| 0.95 | 246 | -0.0257 | 0.2548 | 0.03 |
| 0.95 | 258 | -0.0281 | 0.2737 | 0.03 |
| 0.95 | 270 | 0.1198 | 0.2597 | 0.0301 |
| 0.95 | 282 | -0.3965 | 0.2534 | 0.031 |
| 0.95 | 294 | 0.2948 | 0.2387 | 0.0306 |
| 0.95 | 306 | -0.6446 | 0.1981 | 0.0327 |
| 0.95 | 318 | 0.0167 | 0.2734 | 0.03 |