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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 : | 0.0844 GeV2 | |
|---|---|---|
| W : | 1445 GeV | |
| ε : | 0.9018 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1607 |
|
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 | 54 | -0.1077 | 0.2663 | 0.0301 |
| 0.25 | 66 | 0.4547 | 0.1955 | 0.0313 |
| 0.25 | 78 | 0.0452 | 0.2219 | 0.03 |
| 0.25 | 282 | 0.0798 | 0.2525 | 0.03 |
| 0.25 | 294 | 0.011 | 0.1835 | 0.03 |
| 0.25 | 306 | 0.441 | 0.2477 | 0.0313 |
| 0.35 | 66 | -0.1366 | 0.1866 | 0.0301 |
| 0.35 | 78 | 0.1085 | 0.1641 | 0.0301 |
| 0.35 | 90 | -0.0772 | 0.2695 | 0.03 |
| 0.35 | 270 | 0.0288 | 0.264 | 0.03 |
| 0.35 | 282 | -0.0286 | 0.1776 | 0.03 |
| 0.35 | 294 | -0.0558 | 0.1912 | 0.03 |
| 0.35 | 306 | -0.5498 | 0.2307 | 0.032 |
| 0.45 | 66 | 0.0551 | 0.1921 | 0.03 |
| 0.45 | 78 | -0.229 | 0.1557 | 0.0303 |
| 0.45 | 90 | 0.077 | 0.2056 | 0.03 |
| 0.45 | 270 | -0.253 | 0.1787 | 0.0304 |
| 0.45 | 282 | 0.3153 | 0.1692 | 0.0307 |
| 0.45 | 294 | -0.2847 | 0.1864 | 0.0305 |
| 0.45 | 306 | -0.3794 | 0.2262 | 0.0309 |
| 0.55 | 66 | 0.0129 | 0.2108 | 0.03 |
| 0.55 | 78 | 0.0681 | 0.1847 | 0.03 |
| 0.55 | 90 | -0.1131 | 0.2399 | 0.0301 |
| 0.55 | 102 | -0.0189 | 0.2389 | 0.03 |
| 0.55 | 114 | -0.344 | 0.2023 | 0.0308 |
| 0.55 | 126 | -0.2298 | 0.2553 | 0.0304 |
| 0.55 | 234 | 0.4177 | 0.2045 | 0.0311 |
| 0.55 | 246 | -0.2016 | 0.2173 | 0.0303 |
| 0.55 | 258 | -0.146 | 0.2214 | 0.0301 |
| 0.55 | 270 | 0.0454 | 0.2013 | 0.03 |
| 0.55 | 282 | 0.3366 | 0.1547 | 0.0307 |
| 0.55 | 294 | 0.0194 | 0.1981 | 0.03 |
| 0.55 | 306 | -0.5075 | 0.2448 | 0.0317 |
| 0.65 | 66 | 0.0947 | 0.223 | 0.0301 |
| 0.65 | 78 | -0.157 | 0.2583 | 0.0302 |
| 0.65 | 90 | -0.3516 | 0.2676 | 0.0308 |
| 0.65 | 102 | 0.0026 | 0.2204 | 0.03 |
| 0.65 | 114 | 0.1848 | 0.1787 | 0.0302 |
| 0.65 | 126 | -0.1606 | 0.1743 | 0.0302 |
| 0.65 | 138 | -0.1442 | 0.2183 | 0.0301 |
| 0.65 | 150 | 0.0234 | 0.2567 | 0.03 |
| 0.65 | 210 | 0.1137 | 0.2291 | 0.0301 |
| 0.65 | 222 | 0.1513 | 0.1883 | 0.0302 |
| 0.65 | 234 | 0.0248 | 0.1735 | 0.03 |
| 0.65 | 246 | -0.0425 | 0.1626 | 0.03 |
| 0.65 | 258 | -0.3045 | 0.2036 | 0.0306 |
| 0.65 | 270 | -0.1047 | 0.193 | 0.0301 |
| 0.65 | 282 | -0.183 | 0.2568 | 0.0302 |
| 0.65 | 294 | -0.1213 | 0.1997 | 0.0301 |
| 0.65 | 306 | -0.1666 | 0.2039 | 0.0302 |
| 0.75 | 66 | -0.0591 | 0.2952 | 0.03 |
| 0.75 | 102 | 0.0929 | 0.1839 | 0.0301 |
| 0.75 | 114 | 0.2612 | 0.1514 | 0.0305 |
| 0.75 | 126 | 0.0579 | 0.1464 | 0.03 |
| 0.75 | 138 | -0.0223 | 0.1685 | 0.03 |
| 0.75 | 150 | -0.1229 | 0.1972 | 0.0301 |
| 0.75 | 198 | 0.0842 | 0.2442 | 0.03 |
| 0.75 | 210 | -0.4481 | 0.1707 | 0.0313 |
| 0.75 | 222 | 0.2823 | 0.1632 | 0.0305 |
| 0.75 | 234 | -0.0878 | 0.1422 | 0.0301 |
| 0.75 | 246 | -0.1923 | 0.1475 | 0.0302 |
| 0.75 | 258 | -0.153 | 0.1789 | 0.0302 |
| 0.75 | 270 | 0.0196 | 0.234 | 0.03 |
| 0.75 | 282 | -0.3572 | 0.2287 | 0.0308 |
| 0.75 | 294 | -0.3496 | 0.2261 | 0.0308 |
| 0.85 | 102 | -0.2868 | 0.22 | 0.0305 |
| 0.85 | 114 | 0.1003 | 0.1903 | 0.0301 |
| 0.85 | 126 | 0.1826 | 0.1728 | 0.0302 |
| 0.85 | 138 | 0.1829 | 0.192 | 0.0302 |
| 0.85 | 150 | -0.3792 | 0.2175 | 0.0309 |
| 0.85 | 162 | -0.0326 | 0.2769 | 0.03 |
| 0.85 | 210 | 0.0846 | 0.2008 | 0.03 |
| 0.85 | 222 | -0.1836 | 0.1742 | 0.0302 |
| 0.85 | 234 | 0.0613 | 0.1641 | 0.03 |
| 0.85 | 246 | -0.1594 | 0.156 | 0.0302 |
| 0.85 | 258 | 0.1179 | 0.1798 | 0.0301 |
| 0.85 | 270 | -0.0303 | 0.2317 | 0.03 |
| 0.95 | 102 | 0.1248 | 0.2738 | 0.0301 |
| 0.95 | 114 | 0.1094 | 0.2666 | 0.0301 |
| 0.95 | 210 | -0.1106 | 0.2786 | 0.0301 |
| 0.95 | 222 | 0.1411 | 0.2098 | 0.0301 |
| 0.95 | 234 | -0.5265 | 0.1963 | 0.0318 |
| 0.95 | 246 | -0.0571 | 0.206 | 0.03 |
| 0.95 | 258 | 0.0869 | 0.1929 | 0.0301 |