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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 : | 1325 GeV | |
| ε : | 0.944 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.3049 |
|
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 | 294 | 0.0859 | 0.2598 | 0.03 |
| 0.15 | 306 | 0.0807 | 0.1934 | 0.03 |
| 0.25 | 66 | 0.116 | 0.2205 | 0.0301 |
| 0.25 | 78 | 0.0469 | 0.2307 | 0.03 |
| 0.25 | 294 | 0.1161 | 0.1974 | 0.0301 |
| 0.25 | 306 | 0.1561 | 0.219 | 0.0302 |
| 0.35 | 66 | 0.4286 | 0.1562 | 0.0312 |
| 0.35 | 78 | 0.3323 | 0.1714 | 0.0307 |
| 0.35 | 282 | 0.131 | 0.2356 | 0.0301 |
| 0.35 | 294 | -0.0456 | 0.1797 | 0.03 |
| 0.35 | 306 | -0.2179 | 0.1707 | 0.0303 |
| 0.45 | 66 | 0.0772 | 0.1861 | 0.03 |
| 0.45 | 78 | -0.2356 | 0.1415 | 0.0304 |
| 0.45 | 90 | -0.1528 | 0.1917 | 0.0302 |
| 0.45 | 282 | -0.0075 | 0.2053 | 0.03 |
| 0.45 | 294 | 0.2586 | 0.1641 | 0.0304 |
| 0.45 | 306 | 0.6078 | 0.2156 | 0.0324 |
| 0.55 | 66 | -0.1869 | 0.2004 | 0.0302 |
| 0.55 | 78 | -0.3078 | 0.1429 | 0.0306 |
| 0.55 | 90 | -0.2019 | 0.2011 | 0.0303 |
| 0.55 | 258 | -0.262 | 0.2107 | 0.0305 |
| 0.55 | 270 | 0.4922 | 0.1908 | 0.0316 |
| 0.55 | 282 | -0.0836 | 0.2098 | 0.03 |
| 0.55 | 294 | 0.0508 | 0.2177 | 0.03 |
| 0.65 | 66 | -0.4383 | 0.2376 | 0.0313 |
| 0.65 | 78 | 0.0331 | 0.195 | 0.03 |
| 0.65 | 90 | -0.338 | 0.1941 | 0.0308 |
| 0.65 | 102 | 0.0548 | 0.1983 | 0.03 |
| 0.65 | 114 | -0.2301 | 0.2034 | 0.0304 |
| 0.65 | 126 | -0.0672 | 0.2283 | 0.03 |
| 0.65 | 234 | 0.0692 | 0.2417 | 0.03 |
| 0.65 | 246 | -0.0145 | 0.2129 | 0.03 |
| 0.65 | 258 | -0.0977 | 0.1606 | 0.0301 |
| 0.65 | 270 | -0.0745 | 0.1567 | 0.03 |
| 0.65 | 282 | 0.0547 | 0.1887 | 0.03 |
| 0.75 | 90 | 0.3037 | 0.2213 | 0.0306 |
| 0.75 | 102 | 0.4811 | 0.1645 | 0.0315 |
| 0.75 | 114 | 0.0148 | 0.1533 | 0.03 |
| 0.75 | 126 | -0.0409 | 0.1511 | 0.03 |
| 0.75 | 138 | 0.429 | 0.1987 | 0.0312 |
| 0.75 | 210 | -0.1452 | 0.283 | 0.0301 |
| 0.75 | 222 | -0.3543 | 0.2123 | 0.0308 |
| 0.75 | 234 | -0.2237 | 0.1671 | 0.0303 |
| 0.75 | 246 | -0.1301 | 0.1523 | 0.0301 |
| 0.75 | 258 | 0.1486 | 0.1454 | 0.0301 |
| 0.75 | 270 | 0.3367 | 0.147 | 0.0307 |
| 0.75 | 282 | -0.0614 | 0.1974 | 0.03 |
| 0.85 | 90 | 0.3894 | 0.1817 | 0.031 |
| 0.85 | 102 | -0.0277 | 0.165 | 0.03 |
| 0.85 | 114 | 0.2661 | 0.1305 | 0.0305 |
| 0.85 | 126 | 0.0676 | 0.1434 | 0.03 |
| 0.85 | 138 | -0.0015 | 0.1499 | 0.03 |
| 0.85 | 150 | 0.2068 | 0.1794 | 0.0303 |
| 0.85 | 162 | -0.0402 | 0.2309 | 0.03 |
| 0.85 | 198 | 0.0515 | 0.2852 | 0.03 |
| 0.85 | 210 | -0.1915 | 0.2471 | 0.0302 |
| 0.85 | 222 | 0.0214 | 0.1642 | 0.03 |
| 0.85 | 234 | -0.0106 | 0.1655 | 0.03 |
| 0.85 | 246 | -0.1313 | 0.1381 | 0.0301 |
| 0.85 | 258 | 0.1323 | 0.133 | 0.0301 |
| 0.85 | 270 | -0.0571 | 0.147 | 0.03 |
| 0.85 | 282 | 0.143 | 0.1918 | 0.0301 |
| 0.95 | 114 | -0.1161 | 0.2092 | 0.0301 |
| 0.95 | 126 | 0.1879 | 0.1839 | 0.0302 |
| 0.95 | 138 | 0.375 | 0.1856 | 0.0309 |
| 0.95 | 150 | 0.0512 | 0.2046 | 0.03 |
| 0.95 | 162 | 0.5978 | 0.1824 | 0.0323 |
| 0.95 | 174 | 0.2625 | 0.2635 | 0.0305 |
| 0.95 | 210 | -0.2898 | 0.2743 | 0.0306 |
| 0.95 | 222 | 0.1827 | 0.2099 | 0.0302 |
| 0.95 | 234 | -0.3469 | 0.1733 | 0.0308 |
| 0.95 | 246 | -0.0353 | 0.1956 | 0.03 |
| 0.95 | 258 | 0.1449 | 0.179 | 0.0301 |
| 0.95 | 270 | -0.2573 | 0.1912 | 0.0304 |