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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 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1565 GeV | |
| ε : | 0.8407 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0779 |
|
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 |
|---|---|---|---|---|
| 0.25 | 282 | -0.0633 | 0.26 | 0.03 |
| 0.35 | 78 | -0.4809 | 0.2205 | 0.0315 |
| 0.35 | 270 | 0.2 | 0.2722 | 0.0303 |
| 0.35 | 282 | 0.2776 | 0.2695 | 0.0305 |
| 0.45 | 66 | -0.1253 | 0.2358 | 0.0301 |
| 0.45 | 78 | 0.0121 | 0.2353 | 0.03 |
| 0.45 | 138 | -0.5615 | 0.2174 | 0.032 |
| 0.45 | 258 | -0.1551 | 0.2528 | 0.0302 |
| 0.45 | 270 | -0.1136 | 0.2198 | 0.0301 |
| 0.45 | 282 | 0.0021 | 0.2006 | 0.03 |
| 0.45 | 294 | 0.4678 | 0.2157 | 0.0314 |
| 0.55 | 78 | -0.251 | 0.253 | 0.0304 |
| 0.55 | 90 | -0.0012 | 0.2748 | 0.03 |
| 0.55 | 114 | 0.0408 | 0.2468 | 0.03 |
| 0.55 | 210 | 0.1868 | 0.234 | 0.0302 |
| 0.55 | 222 | -0.0937 | 0.2167 | 0.0301 |
| 0.55 | 234 | -0.5114 | 0.196 | 0.0317 |
| 0.55 | 258 | 0.1722 | 0.2483 | 0.0302 |
| 0.55 | 270 | -0.3171 | 0.1993 | 0.0307 |
| 0.55 | 282 | 0.3499 | 0.1849 | 0.0308 |
| 0.65 | 102 | 0.0527 | 0.2317 | 0.03 |
| 0.65 | 114 | -0.0868 | 0.2295 | 0.0301 |
| 0.65 | 126 | 0.0395 | 0.1999 | 0.03 |
| 0.65 | 150 | -0.0871 | 0.24 | 0.0301 |
| 0.65 | 198 | -0.0923 | 0.2447 | 0.0301 |
| 0.65 | 210 | -0.3745 | 0.2224 | 0.0309 |
| 0.65 | 222 | 0.1176 | 0.2368 | 0.0301 |
| 0.65 | 234 | 0.071 | 0.2135 | 0.03 |
| 0.65 | 270 | 0.2065 | 0.2523 | 0.0303 |
| 0.65 | 282 | -0.0324 | 0.2748 | 0.03 |
| 0.65 | 294 | 0.0264 | 0.2865 | 0.03 |
| 0.75 | 66 | -0.086 | 0.2329 | 0.03 |
| 0.75 | 114 | 0.0648 | 0.2324 | 0.03 |
| 0.75 | 126 | 0.0614 | 0.1971 | 0.03 |
| 0.75 | 138 | 0.3471 | 0.2168 | 0.0308 |
| 0.75 | 150 | 0.1045 | 0.2871 | 0.0301 |
| 0.75 | 198 | -0.1579 | 0.2615 | 0.0302 |
| 0.75 | 210 | -0.1872 | 0.2377 | 0.0302 |
| 0.75 | 222 | -0.0261 | 0.1672 | 0.03 |
| 0.75 | 234 | 0.2469 | 0.1868 | 0.0304 |
| 0.75 | 246 | 0.282 | 0.2378 | 0.0305 |
| 0.75 | 270 | 0.0093 | 0.2507 | 0.03 |
| 0.75 | 282 | -0.3364 | 0.195 | 0.0307 |
| 0.75 | 294 | -0.3654 | 0.2114 | 0.0309 |
| 0.85 | 102 | -0.0246 | 0.2343 | 0.03 |
| 0.85 | 114 | 0.3238 | 0.2194 | 0.0307 |
| 0.85 | 138 | 0.4351 | 0.2173 | 0.0312 |
| 0.85 | 198 | -0.0687 | 0.29 | 0.03 |
| 0.85 | 210 | 0.1843 | 0.1984 | 0.0302 |
| 0.85 | 222 | -0.147 | 0.1952 | 0.0301 |
| 0.85 | 234 | 0.2056 | 0.1988 | 0.0303 |
| 0.85 | 246 | -0.1533 | 0.181 | 0.0302 |
| 0.95 | 114 | 0.166 | 0.2713 | 0.0302 |
| 0.95 | 222 | 0.0675 | 0.2492 | 0.03 |
| 0.95 | 234 | -0.0249 | 0.2348 | 0.03 |