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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 : | 0.1435 GeV2 | |
|---|---|---|
| W : | 1715 GeV | |
| ε : | 0.8771 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.0912 |
|
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 | 54 | -0.0578 | 0.2725 | 0.03 |
| 0.15 | 282 | 0.1039 | 0.2827 | 0.0301 |
| 0.25 | 66 | -0.0703 | 0.25 | 0.03 |
| 0.25 | 270 | 0.1532 | 0.2837 | 0.0302 |
| 0.35 | 258 | 0.0934 | 0.2589 | 0.0301 |
| 0.35 | 270 | 0.15 | 0.2463 | 0.0301 |
| 0.35 | 282 | 0.2648 | 0.2187 | 0.0305 |
| 0.35 | 294 | -0.1162 | 0.2735 | 0.0301 |
| 0.45 | 114 | 0.2003 | 0.2219 | 0.0303 |
| 0.45 | 126 | -0.0598 | 0.2111 | 0.03 |
| 0.45 | 138 | -0.0356 | 0.2786 | 0.03 |
| 0.45 | 258 | -0.4798 | 0.2206 | 0.0315 |
| 0.45 | 270 | -0.101 | 0.2421 | 0.0301 |
| 0.45 | 282 | -0.2936 | 0.1846 | 0.0306 |
| 0.55 | 66 | -0.2015 | 0.2309 | 0.0303 |
| 0.55 | 90 | 0.1022 | 0.2679 | 0.0301 |
| 0.55 | 102 | 0.0105 | 0.2373 | 0.03 |
| 0.55 | 114 | 0.2426 | 0.185 | 0.0304 |
| 0.55 | 126 | -0.1109 | 0.2168 | 0.0301 |
| 0.55 | 138 | -0.1113 | 0.2297 | 0.0301 |
| 0.55 | 186 | 0.0309 | 0.2574 | 0.03 |
| 0.55 | 198 | -0.2642 | 0.231 | 0.0305 |
| 0.55 | 210 | 0.0538 | 0.2398 | 0.03 |
| 0.55 | 222 | -0.1204 | 0.246 | 0.0301 |
| 0.55 | 258 | -0.1174 | 0.259 | 0.0301 |
| 0.55 | 270 | -0.0966 | 0.233 | 0.0301 |
| 0.55 | 294 | -0.2598 | 0.2469 | 0.0304 |
| 0.65 | 54 | 0.1502 | 0.2074 | 0.0302 |
| 0.65 | 66 | 0.1718 | 0.242 | 0.0302 |
| 0.65 | 78 | 0.1565 | 0.2908 | 0.0302 |
| 0.65 | 102 | -0.2283 | 0.2201 | 0.0303 |
| 0.65 | 114 | -0.0435 | 0.18 | 0.03 |
| 0.65 | 126 | -0.004 | 0.1836 | 0.03 |
| 0.65 | 138 | -0.0875 | 0.2422 | 0.0301 |
| 0.65 | 186 | -0.03 | 0.219 | 0.03 |
| 0.65 | 198 | 0.4075 | 0.1948 | 0.0311 |
| 0.65 | 210 | 0.1259 | 0.1826 | 0.0301 |
| 0.65 | 222 | -0.1352 | 0.1966 | 0.0301 |
| 0.65 | 234 | 0.3579 | 0.2083 | 0.0308 |
| 0.65 | 258 | -0.307 | 0.2392 | 0.0306 |
| 0.65 | 282 | 0.2289 | 0.1975 | 0.0303 |
| 0.65 | 294 | -0.2452 | 0.1937 | 0.0304 |
| 0.75 | 90 | 0.0286 | 0.226 | 0.03 |
| 0.75 | 102 | 0.1315 | 0.2345 | 0.0301 |
| 0.75 | 114 | 0.0883 | 0.2271 | 0.0301 |
| 0.75 | 126 | 0.5238 | 0.1541 | 0.0318 |
| 0.75 | 138 | 0.1616 | 0.2606 | 0.0302 |
| 0.75 | 174 | -0.0355 | 0.2487 | 0.03 |
| 0.75 | 186 | 0.0775 | 0.2244 | 0.03 |
| 0.75 | 198 | -0.2323 | 0.1793 | 0.0304 |
| 0.75 | 210 | 0.051 | 0.1745 | 0.03 |
| 0.75 | 222 | 0.2733 | 0.1553 | 0.0305 |
| 0.75 | 234 | -0.0956 | 0.1819 | 0.0301 |
| 0.75 | 246 | -0.129 | 0.2474 | 0.0301 |
| 0.75 | 270 | -0.0459 | 0.1821 | 0.03 |
| 0.75 | 282 | -0.4343 | 0.1775 | 0.0312 |
| 0.75 | 294 | 0.4426 | 0.1764 | 0.0313 |
| 0.85 | 78 | -0.0299 | 0.1807 | 0.03 |
| 0.85 | 90 | -0.1576 | 0.1534 | 0.0302 |
| 0.85 | 102 | 0.1848 | 0.1375 | 0.0302 |
| 0.85 | 114 | -0.3723 | 0.1582 | 0.0309 |
| 0.85 | 126 | 0.4248 | 0.2499 | 0.0312 |
| 0.85 | 174 | 0.2184 | 0.2217 | 0.0303 |
| 0.85 | 186 | -0.3026 | 0.1676 | 0.0306 |
| 0.85 | 198 | 0.1127 | 0.1686 | 0.0301 |
| 0.85 | 210 | -0.0581 | 0.136 | 0.03 |
| 0.85 | 222 | -0.1997 | 0.1482 | 0.0303 |
| 0.85 | 234 | 0.0258 | 0.1382 | 0.03 |
| 0.85 | 246 | -0.0664 | 0.18 | 0.03 |
| 0.85 | 258 | -0.2816 | 0.2166 | 0.0305 |
| 0.85 | 270 | 0.7946 | 0.1787 | 0.0339 |
| 0.85 | 282 | -0.2026 | 0.2249 | 0.0303 |
| 0.95 | 90 | 0.1748 | 0.2717 | 0.0302 |
| 0.95 | 102 | 0.2154 | 0.2467 | 0.0303 |
| 0.95 | 114 | -0.2552 | 0.249 | 0.0304 |
| 0.95 | 126 | -0.1757 | 0.29 | 0.0302 |
| 0.95 | 162 | -0.0113 | 0.2792 | 0.03 |
| 0.95 | 174 | 0.1795 | 0.273 | 0.0302 |
| 0.95 | 186 | -0.2441 | 0.2085 | 0.0304 |
| 0.95 | 198 | -0.1939 | 0.2024 | 0.0302 |
| 0.95 | 210 | -0.4938 | 0.1589 | 0.0316 |
| 0.95 | 222 | 0.4293 | 0.1747 | 0.0312 |
| 0.95 | 234 | -0.0266 | 0.1736 | 0.03 |
| 0.95 | 246 | 0.0287 | 0.1836 | 0.03 |
| 0.95 | 258 | -0.0928 | 0.2572 | 0.0301 |