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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 : | 0.1205 GeV2 | |
|---|---|---|
| W : | 1715 GeV | |
| ε : | 0.8816 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.0786 |
|
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 |
|---|---|---|---|---|
| 0.25 | 270 | 0.821 | 0.1465 | 0.0342 |
| 0.35 | 66 | -0.2016 | 0.2191 | 0.0303 |
| 0.35 | 78 | -0.0567 | 0.2363 | 0.03 |
| 0.35 | 270 | -0.2026 | 0.2456 | 0.0303 |
| 0.35 | 282 | 0.055 | 0.1911 | 0.03 |
| 0.45 | 102 | -0.3238 | 0.2332 | 0.0307 |
| 0.45 | 114 | -0.3563 | 0.222 | 0.0308 |
| 0.45 | 126 | -0.2165 | 0.242 | 0.0303 |
| 0.45 | 138 | -0.4879 | 0.2303 | 0.0315 |
| 0.45 | 222 | -0.1045 | 0.2332 | 0.0301 |
| 0.45 | 246 | 0.2 | 0.2757 | 0.0303 |
| 0.45 | 258 | 0.5313 | 0.189 | 0.0318 |
| 0.45 | 270 | -0.0807 | 0.2104 | 0.03 |
| 0.45 | 282 | 0.1557 | 0.2245 | 0.0302 |
| 0.55 | 54 | -0.1702 | 0.2728 | 0.0302 |
| 0.55 | 66 | -0.1313 | 0.2517 | 0.0301 |
| 0.55 | 102 | 0.2571 | 0.2114 | 0.0304 |
| 0.55 | 114 | 0.1749 | 0.1606 | 0.0302 |
| 0.55 | 126 | -0.0723 | 0.2025 | 0.03 |
| 0.55 | 138 | -0.1521 | 0.217 | 0.0302 |
| 0.55 | 186 | -0.0595 | 0.2797 | 0.03 |
| 0.55 | 198 | 0.0406 | 0.2318 | 0.03 |
| 0.55 | 210 | -0.0432 | 0.2104 | 0.03 |
| 0.55 | 222 | 0.3501 | 0.2047 | 0.0308 |
| 0.55 | 246 | 0.1527 | 0.2505 | 0.0302 |
| 0.55 | 258 | 0.1932 | 0.2395 | 0.0302 |
| 0.55 | 270 | -0.3032 | 0.1787 | 0.0306 |
| 0.65 | 42 | -0.2583 | 0.2404 | 0.0304 |
| 0.65 | 54 | 0.1151 | 0.2032 | 0.0301 |
| 0.65 | 66 | -0.0687 | 0.249 | 0.03 |
| 0.65 | 78 | -0.1387 | 0.2698 | 0.0301 |
| 0.65 | 102 | -0.2134 | 0.1951 | 0.0303 |
| 0.65 | 114 | -0.2407 | 0.1745 | 0.0304 |
| 0.65 | 126 | -0.1645 | 0.16 | 0.0302 |
| 0.65 | 138 | 0.3217 | 0.1807 | 0.0307 |
| 0.65 | 150 | 0.1202 | 0.2655 | 0.0301 |
| 0.65 | 162 | -0.2554 | 0.2634 | 0.0304 |
| 0.65 | 186 | -0.1397 | 0.2238 | 0.0301 |
| 0.65 | 198 | -0.1527 | 0.1889 | 0.0302 |
| 0.65 | 210 | 0.0747 | 0.1869 | 0.03 |
| 0.65 | 222 | 0.1098 | 0.2041 | 0.0301 |
| 0.65 | 234 | -0.3884 | 0.1897 | 0.031 |
| 0.65 | 246 | 0.3342 | 0.2687 | 0.0307 |
| 0.65 | 258 | 0.1523 | 0.2302 | 0.0302 |
| 0.65 | 270 | 0.264 | 0.2529 | 0.0305 |
| 0.65 | 282 | -0.028 | 0.172 | 0.03 |
| 0.65 | 294 | -0.2078 | 0.1936 | 0.0303 |
| 0.75 | 78 | -0.2809 | 0.2409 | 0.0305 |
| 0.75 | 90 | 0.0739 | 0.176 | 0.03 |
| 0.75 | 102 | 0.0455 | 0.1803 | 0.03 |
| 0.75 | 114 | -0.2632 | 0.2022 | 0.0305 |
| 0.75 | 126 | -0.0898 | 0.2335 | 0.0301 |
| 0.75 | 138 | 0.1314 | 0.209 | 0.0301 |
| 0.75 | 150 | 0.0321 | 0.2544 | 0.03 |
| 0.75 | 162 | -0.3758 | 0.2565 | 0.0309 |
| 0.75 | 174 | -0.1077 | 0.2487 | 0.0301 |
| 0.75 | 186 | -0.1148 | 0.1902 | 0.0301 |
| 0.75 | 198 | -0.4244 | 0.1647 | 0.0312 |
| 0.75 | 210 | -0.3961 | 0.1547 | 0.031 |
| 0.75 | 222 | -0.0753 | 0.1524 | 0.03 |
| 0.75 | 234 | -0.2138 | 0.1754 | 0.0303 |
| 0.75 | 246 | 0.3079 | 0.2338 | 0.0306 |
| 0.75 | 258 | -0.3887 | 0.3139 | 0.031 |
| 0.75 | 270 | -0.2088 | 0.1724 | 0.0303 |
| 0.75 | 282 | -0.0561 | 0.1652 | 0.03 |
| 0.75 | 294 | -0.09 | 0.2094 | 0.0301 |
| 0.75 | 306 | 0.1266 | 0.2835 | 0.0301 |
| 0.85 | 78 | 0.2008 | 0.2371 | 0.0303 |
| 0.85 | 90 | -0.0209 | 0.1412 | 0.03 |
| 0.85 | 102 | 0.2798 | 0.1383 | 0.0305 |
| 0.85 | 114 | 0.1547 | 0.1516 | 0.0302 |
| 0.85 | 126 | -0.4245 | 0.2149 | 0.0312 |
| 0.85 | 174 | -0.3448 | 0.1929 | 0.0308 |
| 0.85 | 186 | 0.2328 | 0.1714 | 0.0304 |
| 0.85 | 198 | -0.0905 | 0.1452 | 0.0301 |
| 0.85 | 210 | -0.1588 | 0.1392 | 0.0302 |
| 0.85 | 222 | 0.2011 | 0.1396 | 0.0303 |
| 0.85 | 234 | 0.3002 | 0.1395 | 0.0306 |
| 0.85 | 246 | -0.0641 | 0.1795 | 0.03 |
| 0.85 | 258 | 0.2269 | 0.2185 | 0.0303 |
| 0.85 | 270 | -0.0181 | 0.2606 | 0.03 |
| 0.85 | 282 | 0.0345 | 0.2085 | 0.03 |
| 0.95 | 90 | 0.27 | 0.2294 | 0.0305 |
| 0.95 | 102 | -0.1406 | 0.2157 | 0.0301 |
| 0.95 | 114 | 0.1677 | 0.2671 | 0.0302 |
| 0.95 | 126 | -0.2742 | 0.2621 | 0.0305 |
| 0.95 | 174 | -0.0312 | 0.2276 | 0.03 |
| 0.95 | 186 | -0.3153 | 0.2046 | 0.0307 |
| 0.95 | 198 | -0.1338 | 0.1844 | 0.0301 |
| 0.95 | 210 | 0.025 | 0.185 | 0.03 |
| 0.95 | 222 | -0.1185 | 0.1972 | 0.0301 |
| 0.95 | 234 | -0.0797 | 0.169 | 0.03 |
| 0.95 | 246 | -0.1319 | 0.2324 | 0.0301 |
| 0.95 | 258 | 0.1207 | 0.2729 | 0.0301 |