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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 : | 0.0171 GeV2 | |
|---|---|---|
| W : | 1265 GeV | |
| ε : | 0.9364 | |
| Ebeam : | 1.3383 GeV | |
| εL: | 0.1041 |
|
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 | 0.2127 | 0.2603 | 0.0303 |
| 0.45 | 30 | -0.2274 | 0.292 | 0.0303 |
| 0.45 | 270 | -0.395 | 0.243 | 0.031 |
| 0.55 | 246 | -0.0389 | 0.2095 | 0.03 |
| 0.55 | 258 | 0.2858 | 0.1892 | 0.0305 |
| 0.55 | 270 | -0.0893 | 0.2171 | 0.0301 |
| 0.65 | 138 | 0.4588 | 0.2494 | 0.0314 |
| 0.65 | 234 | -0.1354 | 0.2125 | 0.0301 |
| 0.65 | 246 | 0.0995 | 0.1418 | 0.0301 |
| 0.65 | 258 | 0.0804 | 0.1612 | 0.03 |
| 0.65 | 270 | -0.0911 | 0.1982 | 0.0301 |
| 0.65 | 282 | -0.2303 | 0.2797 | 0.0304 |
| 0.75 | 138 | -0.2694 | 0.206 | 0.0305 |
| 0.75 | 150 | 0.2221 | 0.1851 | 0.0303 |
| 0.75 | 162 | -0.2883 | 0.2205 | 0.0305 |
| 0.75 | 174 | 0.0653 | 0.2074 | 0.03 |
| 0.75 | 186 | -0.5737 | 0.2222 | 0.0321 |
| 0.75 | 222 | -0.0644 | 0.2433 | 0.03 |
| 0.75 | 234 | 0.1057 | 0.1815 | 0.0301 |
| 0.75 | 246 | -0.1117 | 0.1549 | 0.0301 |
| 0.75 | 258 | -0.2136 | 0.1577 | 0.0303 |
| 0.75 | 270 | -0.072 | 0.2142 | 0.03 |
| 0.85 | 138 | 0.2551 | 0.2549 | 0.0304 |
| 0.85 | 150 | 0.1459 | 0.2272 | 0.0301 |
| 0.85 | 162 | 0.2069 | 0.214 | 0.0303 |
| 0.85 | 174 | -0.3913 | 0.2695 | 0.031 |
| 0.85 | 210 | -0.0813 | 0.2678 | 0.03 |
| 0.85 | 222 | -0.6704 | 0.2224 | 0.0329 |
| 0.85 | 234 | -0.0074 | 0.2075 | 0.03 |
| 0.85 | 246 | -0.2115 | 0.1662 | 0.0303 |
| 0.85 | 258 | 0.0047 | 0.1752 | 0.03 |
| 0.85 | 270 | 0.0761 | 0.2202 | 0.03 |
| 0.25 | 42 | -0.4358 | 0.311 | 0.0312 |
| 0.25 | 54 | -0.1801 | 0.3516 | 0.0302 |
| 0.35 | 42 | 0.0293 | 0.4453 | 0.03 |
| 0.35 | 54 | -0.2154 | 0.3347 | 0.0303 |
| 0.45 | 42 | 0.1319 | 0.3782 | 0.0301 |
| 0.55 | 246 | 0.3465 | 0.3175 | 0.0308 |
| 0.55 | 258 | -0.4784 | 0.2541 | 0.0315 |
| 0.55 | 270 | 0.1722 | 0.2632 | 0.0302 |
| 0.65 | 222 | -0.0653 | 0.3671 | 0.03 |
| 0.65 | 234 | 0.1842 | 0.2649 | 0.0302 |
| 0.65 | 246 | -0.1838 | 0.2241 | 0.0302 |
| 0.65 | 258 | 0.2641 | 0.2151 | 0.0305 |
| 0.65 | 270 | 0.45 | 0.2741 | 0.0313 |
| 0.75 | 138 | -0.1166 | 0.4039 | 0.0301 |
| 0.75 | 150 | -0.0828 | 0.3228 | 0.03 |
| 0.75 | 162 | -0.2078 | 0.3422 | 0.0303 |
| 0.75 | 174 | 0.7045 | 0.181 | 0.0331 |
| 0.75 | 222 | 0.396 | 0.2325 | 0.031 |
| 0.75 | 234 | 0.1911 | 0.284 | 0.0302 |
| 0.75 | 246 | 0.0635 | 0.2203 | 0.03 |
| 0.75 | 258 | 0.3071 | 0.2039 | 0.0306 |
| 0.75 | 270 | -0.1264 | 0.2675 | 0.0301 |
| 0.85 | 150 | -0.204 | 0.3161 | 0.0303 |
| 0.85 | 162 | -0.3192 | 0.3114 | 0.0307 |
| 0.85 | 174 | 0.2682 | 0.3245 | 0.0305 |
| 0.85 | 186 | 0.7073 | 0.1964 | 0.0332 |
| 0.85 | 210 | 0.438 | 0.3514 | 0.0313 |
| 0.85 | 222 | -0.3645 | 0.3337 | 0.0309 |
| 0.85 | 234 | 0.0532 | 0.3531 | 0.03 |
| 0.85 | 246 | -0.5016 | 0.217 | 0.0316 |
| 0.85 | 258 | -0.0724 | 0.2563 | 0.03 |
| 0.85 | 270 | -0.325 | 0.3165 | 0.0307 |