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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 : | 1625 GeV | |
| ε : | 0.853 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.0538 |
|
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 | 78 | -0.1453 | 0.2601 | 0.0301 |
| 0.45 | 270 | -0.2984 | 0.2073 | 0.0306 |
| 0.45 | 282 | -0.4807 | 0.2299 | 0.0315 |
| 0.55 | 126 | 0.192 | 0.2167 | 0.0302 |
| 0.55 | 258 | -0.0577 | 0.2306 | 0.03 |
| 0.55 | 270 | -0.0862 | 0.2012 | 0.03 |
| 0.65 | 126 | 0.0816 | 0.2237 | 0.03 |
| 0.65 | 138 | -0.0982 | 0.2622 | 0.0301 |
| 0.65 | 210 | 0.0859 | 0.2432 | 0.03 |
| 0.65 | 258 | -0.1415 | 0.2571 | 0.0301 |
| 0.65 | 294 | -0.1166 | 0.2286 | 0.0301 |
| 0.75 | 126 | 0.0043 | 0.2627 | 0.03 |
| 0.75 | 138 | 0.0679 | 0.2625 | 0.03 |
| 0.75 | 198 | 0.5086 | 0.2137 | 0.0317 |
| 0.75 | 210 | -0.0473 | 0.2567 | 0.03 |
| 0.75 | 222 | -0.1904 | 0.2259 | 0.0302 |
| 0.75 | 234 | -0.3713 | 0.2296 | 0.0309 |
| 0.75 | 270 | 0.3289 | 0.2056 | 0.0307 |
| 0.75 | 282 | -0.1528 | 0.1814 | 0.0302 |
| 0.75 | 294 | -0.0003 | 0.2262 | 0.03 |
| 0.85 | 102 | -0.1267 | 0.2592 | 0.0301 |
| 0.85 | 114 | -0.2175 | 0.2157 | 0.0303 |
| 0.85 | 126 | 0.2507 | 0.2468 | 0.0304 |
| 0.85 | 198 | -0.2747 | 0.2211 | 0.0305 |
| 0.85 | 210 | -0.1366 | 0.2455 | 0.0301 |
| 0.85 | 222 | -0.1697 | 0.2123 | 0.0302 |
| 0.85 | 234 | 0.0927 | 0.2315 | 0.0301 |
| 0.35 | 270 | 0.3314 | 0.2417 | 0.0307 |
| 0.45 | 126 | -0.2343 | 0.2475 | 0.0304 |
| 0.45 | 270 | -0.2395 | 0.2299 | 0.0304 |
| 0.45 | 282 | 0.2363 | 0.2418 | 0.0304 |
| 0.55 | 126 | 0.2634 | 0.2182 | 0.0305 |
| 0.55 | 222 | -0.0617 | 0.2481 | 0.03 |
| 0.55 | 270 | 0.2322 | 0.2402 | 0.0304 |
| 0.65 | 126 | 0.2566 | 0.2145 | 0.0304 |
| 0.65 | 138 | 0.0616 | 0.2587 | 0.03 |
| 0.65 | 198 | 0.3171 | 0.2244 | 0.0307 |
| 0.65 | 210 | 0.2662 | 0.218 | 0.0305 |
| 0.65 | 234 | -0.0499 | 0.2613 | 0.03 |
| 0.75 | 126 | -0.3927 | 0.2236 | 0.031 |
| 0.75 | 138 | 0.2196 | 0.2539 | 0.0303 |
| 0.75 | 198 | -0.4654 | 0.225 | 0.0314 |
| 0.75 | 210 | -0.1375 | 0.2454 | 0.0301 |
| 0.75 | 222 | -0.0423 | 0.2337 | 0.03 |
| 0.75 | 270 | -0.1675 | 0.2158 | 0.0302 |
| 0.75 | 282 | 0.0719 | 0.2125 | 0.03 |
| 0.75 | 294 | -0.2595 | 0.2552 | 0.0304 |
| 0.85 | 102 | 0.0761 | 0.2177 | 0.03 |
| 0.85 | 114 | -0.1728 | 0.2297 | 0.0302 |
| 0.85 | 126 | -0.0733 | 0.2237 | 0.03 |
| 0.85 | 198 | 0.147 | 0.2414 | 0.0301 |
| 0.85 | 222 | 0.1098 | 0.2192 | 0.0301 |
| 0.85 | 234 | 0.2749 | 0.2365 | 0.0305 |
| 0.85 | 270 | -0.1274 | 0.2373 | 0.0301 |