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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 : | 1475 GeV | |
| ε : | 0.8822 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1609 |
|
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 | 30 | -0.5701 | 0.2237 | 0.0321 |
| 0.15 | 66 | -0.1205 | 0.2393 | 0.0301 |
| 0.15 | 294 | -0.4609 | 0.2523 | 0.0314 |
| 0.25 | 66 | -0.4177 | 0.159 | 0.0311 |
| 0.25 | 78 | -0.6236 | 0.1748 | 0.0325 |
| 0.25 | 282 | -0.2081 | 0.2618 | 0.0303 |
| 0.25 | 294 | 0.0533 | 0.1856 | 0.03 |
| 0.35 | 66 | 0.1018 | 0.1958 | 0.0301 |
| 0.35 | 78 | -0.0564 | 0.1769 | 0.03 |
| 0.35 | 270 | 0.0127 | 0.267 | 0.03 |
| 0.35 | 282 | 0.4525 | 0.2103 | 0.0313 |
| 0.35 | 294 | 0.1734 | 0.1765 | 0.0302 |
| 0.35 | 306 | -0.3302 | 0.2595 | 0.0307 |
| 0.45 | 66 | 0.3449 | 0.2235 | 0.0308 |
| 0.45 | 78 | 0.0047 | 0.1844 | 0.03 |
| 0.45 | 90 | -0.0372 | 0.2403 | 0.03 |
| 0.45 | 270 | -0.1102 | 0.2236 | 0.0301 |
| 0.45 | 282 | 0.002 | 0.1621 | 0.03 |
| 0.45 | 294 | 0.4159 | 0.1632 | 0.0311 |
| 0.55 | 66 | -0.0135 | 0.241 | 0.03 |
| 0.55 | 78 | -0.2073 | 0.2209 | 0.0303 |
| 0.55 | 102 | -0.1508 | 0.223 | 0.0302 |
| 0.55 | 114 | 0.3304 | 0.1751 | 0.0307 |
| 0.55 | 126 | -0.2352 | 0.2031 | 0.0304 |
| 0.55 | 234 | -0.3572 | 0.2105 | 0.0308 |
| 0.55 | 246 | -0.018 | 0.2845 | 0.03 |
| 0.55 | 258 | -0.2409 | 0.249 | 0.0304 |
| 0.55 | 270 | -0.0766 | 0.199 | 0.03 |
| 0.55 | 282 | -0.045 | 0.1701 | 0.03 |
| 0.55 | 294 | 0.0139 | 0.2428 | 0.03 |
| 0.55 | 306 | 0.1038 | 0.2565 | 0.0301 |
| 0.65 | 54 | 0.3624 | 0.2363 | 0.0309 |
| 0.65 | 66 | 0.0567 | 0.1951 | 0.03 |
| 0.65 | 78 | 0.1086 | 0.2986 | 0.0301 |
| 0.65 | 90 | 0.3734 | 0.244 | 0.0309 |
| 0.65 | 102 | -0.1337 | 0.1888 | 0.0301 |
| 0.65 | 114 | 0.2156 | 0.1667 | 0.0303 |
| 0.65 | 126 | -0.0645 | 0.1732 | 0.03 |
| 0.65 | 138 | 0.0386 | 0.2587 | 0.03 |
| 0.65 | 150 | 0.1333 | 0.2414 | 0.0301 |
| 0.65 | 210 | 0.3078 | 0.2075 | 0.0306 |
| 0.65 | 222 | 0.1608 | 0.2265 | 0.0302 |
| 0.65 | 234 | 0.0394 | 0.1907 | 0.03 |
| 0.65 | 246 | -0.0424 | 0.1939 | 0.03 |
| 0.65 | 258 | 0.559 | 0.1899 | 0.032 |
| 0.65 | 270 | 0.1069 | 0.2308 | 0.0301 |
| 0.65 | 294 | 0.0491 | 0.1818 | 0.03 |
| 0.65 | 306 | 0.1623 | 0.2393 | 0.0302 |
| 0.75 | 102 | -0.0775 | 0.1807 | 0.03 |
| 0.75 | 114 | 0.2646 | 0.1824 | 0.0305 |
| 0.75 | 126 | 0.1308 | 0.1656 | 0.0301 |
| 0.75 | 138 | 0.1136 | 0.1868 | 0.0301 |
| 0.75 | 150 | -0.0445 | 0.2252 | 0.03 |
| 0.75 | 198 | 0.0636 | 0.2575 | 0.03 |
| 0.75 | 210 | 0.221 | 0.2232 | 0.0303 |
| 0.75 | 222 | -0.0849 | 0.232 | 0.03 |
| 0.75 | 234 | -0.1418 | 0.1704 | 0.0301 |
| 0.75 | 246 | -0.1043 | 0.1623 | 0.0301 |
| 0.75 | 258 | 0.0549 | 0.1678 | 0.03 |
| 0.75 | 270 | -0.2639 | 0.2533 | 0.0305 |
| 0.75 | 282 | 0.2525 | 0.2402 | 0.0304 |
| 0.85 | 90 | 0.3544 | 0.1959 | 0.0308 |
| 0.85 | 102 | -0.1693 | 0.207 | 0.0302 |
| 0.85 | 114 | 0.3493 | 0.2117 | 0.0308 |
| 0.85 | 126 | 0.2147 | 0.1893 | 0.0303 |
| 0.85 | 138 | 0.0395 | 0.2237 | 0.03 |
| 0.85 | 150 | -0.2436 | 0.2182 | 0.0304 |
| 0.85 | 198 | 0.5962 | 0.2263 | 0.0323 |
| 0.85 | 210 | -0.3641 | 0.1883 | 0.0309 |
| 0.85 | 222 | -0.0343 | 0.1777 | 0.03 |
| 0.85 | 234 | 0.0072 | 0.1511 | 0.03 |
| 0.85 | 246 | -0.4128 | 0.131 | 0.0311 |
| 0.85 | 258 | -0.3979 | 0.1487 | 0.031 |
| 0.85 | 270 | -0.1374 | 0.2038 | 0.0301 |
| 0.95 | 102 | -0.017 | 0.2803 | 0.03 |
| 0.95 | 210 | -0.1401 | 0.2558 | 0.0301 |
| 0.95 | 222 | 0.1088 | 0.2223 | 0.0301 |
| 0.95 | 234 | -0.005 | 0.2175 | 0.03 |
| 0.95 | 246 | -0.2722 | 0.2175 | 0.0305 |
| 0.95 | 258 | 0.4249 | 0.1787 | 0.0312 |
| 0.95 | 270 | 0.5689 | 0.2176 | 0.0321 |