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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 : | 0.2915 GeV2 | |
|---|---|---|
| W : | 1355 GeV | |
| ε : | 0.9498 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.6269 |
|
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 |
|---|---|---|---|---|
| -0.05 | 306 | -0.2825 | 0.2483 | 0.0305 |
| 0.05 | 54 | 0.3451 | 0.2445 | 0.0308 |
| 0.05 | 66 | 0.1782 | 0.2651 | 0.0302 |
| 0.05 | 294 | -0.0131 | 0.2783 | 0.03 |
| 0.05 | 306 | -0.2702 | 0.2213 | 0.0305 |
| 0.15 | 54 | 0.3077 | 0.2702 | 0.0306 |
| 0.15 | 66 | -0.2862 | 0.2066 | 0.0305 |
| 0.15 | 294 | -0.0828 | 0.275 | 0.03 |
| 0.15 | 306 | 0.2059 | 0.2478 | 0.0303 |
| 0.25 | 54 | 0.1599 | 0.2602 | 0.0302 |
| 0.25 | 66 | 0.0826 | 0.2277 | 0.03 |
| 0.25 | 294 | -0.4384 | 0.2144 | 0.0313 |
| 0.25 | 306 | 0.0226 | 0.2744 | 0.03 |
| 0.35 | 54 | 0.1224 | 0.243 | 0.0301 |
| 0.35 | 66 | -0.3188 | 0.2531 | 0.0307 |
| 0.35 | 282 | -0.138 | 0.2632 | 0.0301 |
| 0.35 | 294 | 0.1703 | 0.2804 | 0.0302 |
| 0.45 | 54 | -0.3026 | 0.2544 | 0.0306 |
| 0.45 | 90 | 0.1392 | 0.2758 | 0.0301 |
| 0.55 | 78 | 0.2171 | 0.2189 | 0.0303 |
| 0.55 | 90 | -0.2689 | 0.2023 | 0.0305 |
| 0.55 | 102 | -0.0991 | 0.2424 | 0.0301 |
| 0.55 | 270 | -0.0104 | 0.2392 | 0.03 |
| 0.55 | 282 | 0.6226 | 0.1803 | 0.0325 |
| 0.65 | 66 | 0.0052 | 0.2215 | 0.03 |
| 0.65 | 78 | -0.0607 | 0.1607 | 0.03 |
| 0.65 | 90 | 0.1048 | 0.1576 | 0.0301 |
| 0.65 | 102 | -0.3712 | 0.1602 | 0.0309 |
| 0.65 | 114 | 0.1196 | 0.2326 | 0.0301 |
| 0.65 | 258 | -0.0073 | 0.2046 | 0.03 |
| 0.65 | 270 | 0.0312 | 0.1703 | 0.03 |
| 0.65 | 282 | 0.0718 | 0.1623 | 0.03 |
| 0.65 | 294 | 0.4357 | 0.2237 | 0.0312 |
| 0.75 | 54 | 0.184 | 0.2185 | 0.0302 |
| 0.75 | 66 | -0.1782 | 0.2444 | 0.0302 |
| 0.75 | 78 | -0.09 | 0.1445 | 0.0301 |
| 0.75 | 90 | 0.2382 | 0.1369 | 0.0304 |
| 0.75 | 102 | 0.0488 | 0.154 | 0.03 |
| 0.75 | 114 | 0.2743 | 0.1623 | 0.0305 |
| 0.75 | 126 | -0.2256 | 0.244 | 0.0303 |
| 0.75 | 234 | 0.3333 | 0.2196 | 0.0307 |
| 0.75 | 246 | 0.0442 | 0.1788 | 0.03 |
| 0.75 | 258 | 0.0459 | 0.1519 | 0.03 |
| 0.75 | 270 | -0.0732 | 0.149 | 0.03 |
| 0.75 | 282 | 0.0209 | 0.1619 | 0.03 |
| 0.75 | 294 | 0.0552 | 0.1804 | 0.03 |
| 0.75 | 306 | 0.1353 | 0.2097 | 0.0301 |
| 0.85 | 42 | -0.2432 | 0.245 | 0.0304 |
| 0.85 | 54 | 0.3708 | 0.2036 | 0.0309 |
| 0.85 | 66 | 0.1198 | 0.2541 | 0.0301 |
| 0.85 | 78 | -0.0205 | 0.1325 | 0.03 |
| 0.85 | 90 | -0.0214 | 0.1221 | 0.03 |
| 0.85 | 102 | -0.0284 | 0.1401 | 0.03 |
| 0.85 | 114 | 0.0217 | 0.1548 | 0.03 |
| 0.85 | 126 | 0.2037 | 0.1992 | 0.0303 |
| 0.85 | 138 | 0.2071 | 0.245 | 0.0303 |
| 0.85 | 210 | -0.3911 | 0.2048 | 0.031 |
| 0.85 | 222 | 0.0814 | 0.2176 | 0.03 |
| 0.85 | 234 | 0.1332 | 0.165 | 0.0301 |
| 0.85 | 246 | 0.0392 | 0.1588 | 0.03 |
| 0.85 | 258 | 0.0913 | 0.1364 | 0.0301 |
| 0.85 | 270 | -0.0981 | 0.1318 | 0.0301 |
| 0.85 | 282 | -0.1065 | 0.1393 | 0.0301 |
| 0.85 | 294 | -0.2056 | 0.1325 | 0.0303 |
| 0.85 | 306 | -0.1029 | 0.1437 | 0.0301 |
| 0.85 | 318 | 0.1087 | 0.2122 | 0.0301 |
| 0.95 | 66 | -0.452 | 0.2252 | 0.0313 |
| 0.95 | 78 | 0.2495 | 0.1871 | 0.0304 |
| 0.95 | 90 | -0.1268 | 0.1879 | 0.0301 |
| 0.95 | 102 | 0.0885 | 0.1633 | 0.0301 |
| 0.95 | 114 | -0.0446 | 0.1869 | 0.03 |
| 0.95 | 126 | 0.1993 | 0.208 | 0.0303 |
| 0.95 | 138 | 0.114 | 0.249 | 0.0301 |
| 0.95 | 150 | -0.325 | 0.2501 | 0.0307 |
| 0.95 | 186 | 0.2639 | 0.2476 | 0.0305 |
| 0.95 | 198 | -0.3589 | 0.2294 | 0.0308 |
| 0.95 | 210 | 0.2156 | 0.2317 | 0.0303 |
| 0.95 | 222 | -0.2469 | 0.2004 | 0.0304 |
| 0.95 | 234 | -0.2218 | 0.1798 | 0.0303 |
| 0.95 | 246 | -0.2193 | 0.1684 | 0.0303 |
| 0.95 | 258 | 0.0143 | 0.1668 | 0.03 |
| 0.95 | 270 | -0.1702 | 0.1656 | 0.0302 |
| 0.95 | 282 | -0.0405 | 0.1579 | 0.03 |
| 0.95 | 294 | -0.1282 | 0.1714 | 0.0301 |
| 0.95 | 306 | 0.1475 | 0.1534 | 0.0301 |
| 0.95 | 318 | -0.2462 | 0.1915 | 0.0304 |
| 0.95 | 330 | 0.1917 | 0.2186 | 0.0302 |
| 0.95 | 342 | -0.4603 | 0.2301 | 0.0314 |