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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 : | 0.101 GeV2 | |
|---|---|---|
| W : | 1415 GeV | |
| ε : | 0.9093 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.2162 |
|
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 |
|---|---|---|---|---|
| 0.15 | 66 | 0.1908 | 0.2582 | 0.0302 |
| 0.15 | 294 | -0.0449 | 0.2687 | 0.03 |
| 0.25 | 54 | 0.6143 | 0.231 | 0.0324 |
| 0.25 | 66 | 0.0048 | 0.2066 | 0.03 |
| 0.25 | 78 | 0.3878 | 0.2521 | 0.031 |
| 0.25 | 282 | 0.3352 | 0.2624 | 0.0307 |
| 0.25 | 294 | 0.1485 | 0.2203 | 0.0301 |
| 0.25 | 306 | -0.0248 | 0.2495 | 0.03 |
| 0.35 | 66 | 0.1067 | 0.1734 | 0.0301 |
| 0.35 | 78 | -0.0511 | 0.1982 | 0.03 |
| 0.35 | 90 | -0.0018 | 0.2659 | 0.03 |
| 0.35 | 282 | -0.1601 | 0.1845 | 0.0302 |
| 0.35 | 294 | -0.1465 | 0.1931 | 0.0301 |
| 0.35 | 306 | -0.0225 | 0.2127 | 0.03 |
| 0.45 | 66 | -0.0499 | 0.1916 | 0.03 |
| 0.45 | 78 | 0.0704 | 0.1781 | 0.03 |
| 0.45 | 90 | -0.289 | 0.2221 | 0.0306 |
| 0.45 | 270 | 0.0934 | 0.2748 | 0.0301 |
| 0.45 | 282 | 0.176 | 0.2016 | 0.0302 |
| 0.45 | 294 | -0.1733 | 0.2214 | 0.0302 |
| 0.55 | 66 | 0.0091 | 0.2816 | 0.03 |
| 0.55 | 78 | -0.0147 | 0.1771 | 0.03 |
| 0.55 | 90 | 0.116 | 0.229 | 0.0301 |
| 0.55 | 114 | -0.4807 | 0.2053 | 0.0315 |
| 0.55 | 246 | -0.0352 | 0.2615 | 0.03 |
| 0.55 | 270 | -0.012 | 0.2488 | 0.03 |
| 0.55 | 282 | 0.1464 | 0.2062 | 0.0301 |
| 0.55 | 294 | -0.2147 | 0.2039 | 0.0303 |
| 0.65 | 66 | 0.1063 | 0.2041 | 0.0301 |
| 0.65 | 102 | 0.0231 | 0.1771 | 0.03 |
| 0.65 | 114 | -0.0645 | 0.1672 | 0.03 |
| 0.65 | 126 | 0.0708 | 0.1826 | 0.03 |
| 0.65 | 138 | 0.2479 | 0.2251 | 0.0304 |
| 0.65 | 210 | 0.2354 | 0.266 | 0.0304 |
| 0.65 | 222 | -0.3898 | 0.2119 | 0.031 |
| 0.65 | 234 | 0.2029 | 0.2239 | 0.0303 |
| 0.65 | 246 | 0.06 | 0.2157 | 0.03 |
| 0.65 | 258 | -0.048 | 0.2348 | 0.03 |
| 0.65 | 270 | 0.0453 | 0.2356 | 0.03 |
| 0.65 | 282 | -0.2237 | 0.259 | 0.0303 |
| 0.65 | 294 | -0.1024 | 0.2491 | 0.0301 |
| 0.65 | 306 | 0.2592 | 0.2823 | 0.0304 |
| 0.75 | 90 | 0.0432 | 0.2061 | 0.03 |
| 0.75 | 102 | -0.0071 | 0.1773 | 0.03 |
| 0.75 | 114 | 0.3833 | 0.1502 | 0.031 |
| 0.75 | 126 | 0.0984 | 0.1638 | 0.0301 |
| 0.75 | 138 | -0.1744 | 0.1964 | 0.0302 |
| 0.75 | 150 | 0.4643 | 0.2267 | 0.0314 |
| 0.75 | 198 | 0.0195 | 0.2644 | 0.03 |
| 0.75 | 210 | 0.2826 | 0.2172 | 0.0305 |
| 0.75 | 222 | -0.084 | 0.1968 | 0.03 |
| 0.75 | 234 | 0.2931 | 0.1526 | 0.0306 |
| 0.75 | 246 | -0.1587 | 0.15 | 0.0302 |
| 0.75 | 258 | 0.0884 | 0.1971 | 0.0301 |
| 0.75 | 270 | -0.3603 | 0.2032 | 0.0309 |
| 0.85 | 78 | 0.4633 | 0.2439 | 0.0314 |
| 0.85 | 90 | 0.2878 | 0.2264 | 0.0305 |
| 0.85 | 102 | -0.1008 | 0.2216 | 0.0301 |
| 0.85 | 114 | 0.0495 | 0.1744 | 0.03 |
| 0.85 | 126 | 0.1777 | 0.1833 | 0.0302 |
| 0.85 | 138 | 0.3566 | 0.2073 | 0.0308 |
| 0.85 | 150 | -0.0875 | 0.2352 | 0.0301 |
| 0.85 | 210 | 0.0341 | 0.2555 | 0.03 |
| 0.85 | 222 | 0.2283 | 0.1916 | 0.0303 |
| 0.85 | 234 | -0.1507 | 0.167 | 0.0302 |
| 0.85 | 246 | 0.1338 | 0.1599 | 0.0301 |
| 0.85 | 258 | 0.0245 | 0.1634 | 0.03 |
| 0.85 | 270 | -0.0785 | 0.1769 | 0.03 |
| 0.85 | 282 | 0.2897 | 0.2301 | 0.0306 |
| 0.95 | 90 | -0.1467 | 0.2442 | 0.0301 |
| 0.95 | 102 | 0.1377 | 0.2266 | 0.0301 |
| 0.95 | 198 | -0.8429 | 0.1627 | 0.0344 |
| 0.95 | 210 | -0.1506 | 0.2598 | 0.0302 |
| 0.95 | 222 | 0.2077 | 0.2405 | 0.0303 |
| 0.95 | 234 | 0.2197 | 0.2107 | 0.0303 |
| 0.95 | 246 | 0.0509 | 0.1999 | 0.03 |
| 0.95 | 258 | -0.0316 | 0.1719 | 0.03 |
| 0.95 | 270 | -0.0782 | 0.2292 | 0.03 |