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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 : | 1205 GeV | |
| ε : | 0.8959 | |
| Ebeam : | 1.0539 GeV | |
| εL: | 0.4697 |
|
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 | 0.2086 | 0.2208 | 0.0303 |
| 0.55 | 270 | -0.0976 | 0.1751 | 0.0301 |
| 0.55 | 282 | -0.1405 | 0.1867 | 0.0301 |
| 0.65 | 258 | 0.2142 | 0.2243 | 0.0303 |
| 0.65 | 270 | -0.1892 | 0.1622 | 0.0302 |
| 0.65 | 282 | 0.0492 | 0.199 | 0.03 |
| 0.75 | 258 | -0.0997 | 0.2233 | 0.0301 |
| 0.75 | 270 | -0.1849 | 0.1846 | 0.0302 |
| 0.75 | 282 | -0.0148 | 0.238 | 0.03 |
| 0.85 | 150 | 0.1786 | 0.1894 | 0.0302 |
| 0.85 | 162 | 0.0747 | 0.196 | 0.03 |
| 0.85 | 174 | 0.2251 | 0.1883 | 0.0303 |
| 0.85 | 186 | 0.1442 | 0.1642 | 0.0301 |
| 0.85 | 198 | 0.3471 | 0.2051 | 0.0308 |
| 0.85 | 210 | -0.0243 | 0.1873 | 0.03 |
| 0.85 | 222 | -0.0796 | 0.2057 | 0.03 |
| 0.85 | 246 | -0.4295 | 0.2264 | 0.0312 |
| 0.85 | 258 | -0.1754 | 0.2214 | 0.0302 |
| 0.95 | 150 | -0.016 | 0.2446 | 0.03 |
| 0.95 | 162 | -0.0384 | 0.1968 | 0.03 |
| 0.95 | 174 | -0.0182 | 0.1881 | 0.03 |
| 0.95 | 186 | 0.0247 | 0.2144 | 0.03 |
| 0.95 | 198 | 0.3202 | 0.1962 | 0.0307 |
| 0.95 | 210 | 0.3546 | 0.2425 | 0.0308 |
| 0.95 | 222 | -0.2429 | 0.2145 | 0.0304 |