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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 : | 1685 GeV | |
| ε : | 0.889 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.1016 |
|
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 | 270 | -0.0044 | 0.2793 | 0.03 |
| 0.25 | 66 | 0.1062 | 0.2871 | 0.0301 |
| 0.25 | 78 | 0.0536 | 0.274 | 0.03 |
| 0.25 | 270 | 0.8178 | 0.181 | 0.0342 |
| 0.25 | 282 | -0.0669 | 0.2369 | 0.03 |
| 0.35 | 66 | -0.0523 | 0.2208 | 0.03 |
| 0.35 | 114 | 0.1814 | 0.2046 | 0.0302 |
| 0.35 | 270 | 0.3042 | 0.1999 | 0.0306 |
| 0.35 | 282 | 0.2053 | 0.2003 | 0.0303 |
| 0.35 | 294 | -0.1212 | 0.2553 | 0.0301 |
| 0.45 | 66 | -0.0227 | 0.2322 | 0.03 |
| 0.45 | 78 | -0.0707 | 0.2383 | 0.03 |
| 0.45 | 90 | -0.0788 | 0.2651 | 0.03 |
| 0.45 | 102 | -0.2199 | 0.2383 | 0.0303 |
| 0.45 | 114 | -0.0846 | 0.2107 | 0.03 |
| 0.45 | 126 | 0.0817 | 0.1882 | 0.03 |
| 0.45 | 138 | -0.3569 | 0.2345 | 0.0308 |
| 0.45 | 222 | -0.2351 | 0.2479 | 0.0304 |
| 0.45 | 258 | 0.2628 | 0.2396 | 0.0305 |
| 0.45 | 270 | 0.2249 | 0.1769 | 0.0303 |
| 0.45 | 282 | 0.0162 | 0.1673 | 0.03 |
| 0.45 | 294 | -0.2327 | 0.226 | 0.0304 |
| 0.55 | 42 | 0.3554 | 0.2445 | 0.0308 |
| 0.55 | 66 | 0.0762 | 0.2509 | 0.03 |
| 0.55 | 78 | -0.4439 | 0.2636 | 0.0313 |
| 0.55 | 90 | -0.2117 | 0.2322 | 0.0303 |
| 0.55 | 102 | 0.3577 | 0.1841 | 0.0308 |
| 0.55 | 114 | 0.1746 | 0.1701 | 0.0302 |
| 0.55 | 126 | -0.1059 | 0.2002 | 0.0301 |
| 0.55 | 138 | -0.0854 | 0.2152 | 0.03 |
| 0.55 | 186 | 0.2343 | 0.225 | 0.0304 |
| 0.55 | 198 | 0.5164 | 0.2194 | 0.0317 |
| 0.55 | 210 | 0.3071 | 0.1994 | 0.0306 |
| 0.55 | 222 | 0.0218 | 0.2378 | 0.03 |
| 0.55 | 234 | 0.1156 | 0.2382 | 0.0301 |
| 0.55 | 246 | -0.1235 | 0.2628 | 0.0301 |
| 0.55 | 258 | -0.0864 | 0.1925 | 0.03 |
| 0.55 | 270 | 0.0263 | 0.157 | 0.03 |
| 0.55 | 282 | 0.1801 | 0.2086 | 0.0302 |
| 0.55 | 294 | -0.411 | 0.2354 | 0.0311 |
| 0.65 | 42 | -0.326 | 0.2637 | 0.0307 |
| 0.65 | 54 | -0.2254 | 0.1753 | 0.0303 |
| 0.65 | 66 | 0.336 | 0.2233 | 0.0307 |
| 0.65 | 78 | -0.0272 | 0.2298 | 0.03 |
| 0.65 | 90 | 0.0835 | 0.2708 | 0.03 |
| 0.65 | 102 | -0.0139 | 0.1639 | 0.03 |
| 0.65 | 114 | -0.0316 | 0.1426 | 0.03 |
| 0.65 | 126 | 0.0816 | 0.1793 | 0.03 |
| 0.65 | 138 | 0.0297 | 0.2083 | 0.03 |
| 0.65 | 150 | 0.228 | 0.2597 | 0.0303 |
| 0.65 | 186 | -0.0171 | 0.2491 | 0.03 |
| 0.65 | 198 | -0.1748 | 0.1816 | 0.0302 |
| 0.65 | 210 | 0.2842 | 0.1737 | 0.0305 |
| 0.65 | 222 | 0.3036 | 0.1586 | 0.0306 |
| 0.65 | 234 | 0.1473 | 0.2447 | 0.0301 |
| 0.65 | 246 | 0.0879 | 0.2572 | 0.0301 |
| 0.65 | 258 | -0.2504 | 0.2601 | 0.0304 |
| 0.65 | 282 | 0.046 | 0.1746 | 0.03 |
| 0.65 | 294 | 0.2042 | 0.1557 | 0.0303 |
| 0.65 | 306 | 0.0983 | 0.2179 | 0.0301 |
| 0.75 | 54 | -0.3585 | 0.2801 | 0.0308 |
| 0.75 | 78 | -0.4027 | 0.1841 | 0.0311 |
| 0.75 | 90 | -0.1829 | 0.1715 | 0.0302 |
| 0.75 | 102 | 0.0001 | 0.2014 | 0.03 |
| 0.75 | 114 | 0.1589 | 0.1666 | 0.0302 |
| 0.75 | 126 | -0.0207 | 0.1601 | 0.03 |
| 0.75 | 138 | -0.0036 | 0.182 | 0.03 |
| 0.75 | 150 | -0.1078 | 0.2451 | 0.0301 |
| 0.75 | 174 | 0.2675 | 0.2294 | 0.0305 |
| 0.75 | 186 | 0.1203 | 0.1797 | 0.0301 |
| 0.75 | 198 | -0.3332 | 0.163 | 0.0307 |
| 0.75 | 210 | -0.0391 | 0.1496 | 0.03 |
| 0.75 | 222 | -0.053 | 0.1352 | 0.03 |
| 0.75 | 234 | 0.0614 | 0.1747 | 0.03 |
| 0.75 | 246 | 0.0935 | 0.191 | 0.0301 |
| 0.75 | 258 | -0.0543 | 0.2254 | 0.03 |
| 0.75 | 270 | -0.0963 | 0.1726 | 0.0301 |
| 0.75 | 282 | 0.0385 | 0.162 | 0.03 |
| 0.75 | 294 | -0.0543 | 0.149 | 0.03 |
| 0.75 | 306 | 0.1242 | 0.2608 | 0.0301 |
| 0.85 | 78 | 0.0393 | 0.1581 | 0.03 |
| 0.85 | 90 | -0.0587 | 0.1328 | 0.03 |
| 0.85 | 102 | -0.1286 | 0.152 | 0.0301 |
| 0.85 | 114 | 0.1844 | 0.1585 | 0.0302 |
| 0.85 | 126 | 0.4262 | 0.1904 | 0.0312 |
| 0.85 | 138 | 0.1811 | 0.2726 | 0.0302 |
| 0.85 | 162 | 0.0073 | 0.2556 | 0.03 |
| 0.85 | 174 | -0.1609 | 0.2064 | 0.0302 |
| 0.85 | 186 | 0.0473 | 0.1715 | 0.03 |
| 0.85 | 198 | -0.2805 | 0.1428 | 0.0305 |
| 0.85 | 210 | -0.1169 | 0.1349 | 0.0301 |
| 0.85 | 222 | -0.098 | 0.1312 | 0.0301 |
| 0.85 | 234 | 0.0869 | 0.1429 | 0.0301 |
| 0.85 | 246 | -0.2733 | 0.1603 | 0.0305 |
| 0.85 | 258 | 0.1928 | 0.1855 | 0.0302 |
| 0.85 | 270 | 0.0573 | 0.2051 | 0.03 |
| 0.85 | 282 | -0.655 | 0.1912 | 0.0327 |
| 0.85 | 294 | -0.3827 | 0.2362 | 0.031 |
| 0.95 | 90 | -0.186 | 0.2264 | 0.0302 |
| 0.95 | 102 | 0.2065 | 0.193 | 0.0303 |
| 0.95 | 114 | -0.054 | 0.2632 | 0.03 |
| 0.95 | 162 | 0.0012 | 0.2627 | 0.03 |
| 0.95 | 174 | -0.6105 | 0.1944 | 0.0324 |
| 0.95 | 186 | -0.0205 | 0.1955 | 0.03 |
| 0.95 | 198 | -0.2018 | 0.1658 | 0.0303 |
| 0.95 | 210 | 0.3067 | 0.1665 | 0.0306 |
| 0.95 | 222 | -0.1883 | 0.1491 | 0.0302 |
| 0.95 | 234 | 0.0646 | 0.1624 | 0.03 |
| 0.95 | 246 | -0.0347 | 0.161 | 0.03 |
| 0.95 | 258 | -0.0207 | 0.1918 | 0.03 |