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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 : | 0.0593 GeV2 | |
|---|---|---|
| W : | 1325 GeV | |
| ε : | 0.9627 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.23 |
|
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 | 66 | 0.0457 | 0.2599 | 0.03 |
| 0.25 | 294 | 0.2233 | 0.1791 | 0.0303 |
| 0.25 | 306 | -0.0091 | 0.21 | 0.03 |
| 0.35 | 66 | 0.4349 | 0.1613 | 0.0312 |
| 0.35 | 78 | 0.0315 | 0.2068 | 0.03 |
| 0.35 | 294 | -0.0368 | 0.2047 | 0.03 |
| 0.35 | 306 | 0.0219 | 0.204 | 0.03 |
| 0.45 | 66 | -0.0693 | 0.1971 | 0.03 |
| 0.45 | 78 | -0.0282 | 0.1812 | 0.03 |
| 0.45 | 90 | -0.4946 | 0.2127 | 0.0316 |
| 0.45 | 282 | -0.1342 | 0.2522 | 0.0301 |
| 0.45 | 294 | -0.0171 | 0.1825 | 0.03 |
| 0.45 | 306 | -0.0373 | 0.2358 | 0.03 |
| 0.55 | 78 | 0.0125 | 0.1668 | 0.03 |
| 0.55 | 90 | -0.0378 | 0.1876 | 0.03 |
| 0.55 | 270 | -0.1831 | 0.2385 | 0.0302 |
| 0.55 | 282 | 0.3045 | 0.237 | 0.0306 |
| 0.55 | 294 | 0.2669 | 0.2254 | 0.0305 |
| 0.65 | 66 | -0.2952 | 0.2352 | 0.0306 |
| 0.65 | 78 | -0.1321 | 0.2033 | 0.0301 |
| 0.65 | 90 | 0.2154 | 0.2243 | 0.0303 |
| 0.65 | 114 | 0.3924 | 0.2012 | 0.031 |
| 0.65 | 126 | -0.0728 | 0.2224 | 0.03 |
| 0.65 | 234 | 0.6769 | 0.1779 | 0.0329 |
| 0.65 | 246 | -0.1662 | 0.202 | 0.0302 |
| 0.65 | 258 | 0.1535 | 0.1682 | 0.0302 |
| 0.65 | 270 | 0.1526 | 0.2108 | 0.0302 |
| 0.65 | 282 | -0.3104 | 0.2307 | 0.0306 |
| 0.75 | 102 | 0.1038 | 0.215 | 0.0301 |
| 0.75 | 114 | 0.2259 | 0.1527 | 0.0303 |
| 0.75 | 126 | 0.2025 | 0.1694 | 0.0303 |
| 0.75 | 138 | -0.1101 | 0.1774 | 0.0301 |
| 0.75 | 222 | 0.3052 | 0.2245 | 0.0306 |
| 0.75 | 234 | 0.0995 | 0.1719 | 0.0301 |
| 0.75 | 246 | -0.3746 | 0.1503 | 0.0309 |
| 0.75 | 258 | -0.2491 | 0.1537 | 0.0304 |
| 0.75 | 270 | 0.3113 | 0.181 | 0.0306 |
| 0.85 | 102 | -0.0902 | 0.2232 | 0.0301 |
| 0.85 | 114 | -0.1569 | 0.1904 | 0.0302 |
| 0.85 | 126 | 0.1965 | 0.1434 | 0.0303 |
| 0.85 | 138 | -0.0876 | 0.1614 | 0.0301 |
| 0.85 | 150 | 0.1008 | 0.1975 | 0.0301 |
| 0.85 | 162 | 0.0491 | 0.2387 | 0.03 |
| 0.85 | 210 | 0.1942 | 0.2272 | 0.0303 |
| 0.85 | 222 | 0.0221 | 0.2118 | 0.03 |
| 0.85 | 234 | 0.0504 | 0.1729 | 0.03 |
| 0.85 | 246 | 0.1896 | 0.1416 | 0.0302 |
| 0.85 | 258 | -0.0506 | 0.1532 | 0.03 |
| 0.85 | 270 | -0.0605 | 0.1676 | 0.03 |
| 0.95 | 150 | -0.4421 | 0.2403 | 0.0313 |
| 0.95 | 222 | 0.0914 | 0.2474 | 0.0301 |
| 0.95 | 234 | 0.0323 | 0.186 | 0.03 |
| 0.95 | 246 | 0.24 | 0.2163 | 0.0304 |
| 0.15 | 306 | -0.1122 | 0.2203 | 0.0301 |
| 0.25 | 66 | -0.0586 | 0.2115 | 0.03 |
| 0.25 | 294 | -0.2355 | 0.2018 | 0.0304 |
| 0.25 | 306 | 0.0119 | 0.1824 | 0.03 |
| 0.35 | 66 | 0.3314 | 0.1591 | 0.0307 |
| 0.35 | 78 | -0.0527 | 0.1662 | 0.03 |
| 0.35 | 282 | -0.0174 | 0.242 | 0.03 |
| 0.35 | 294 | 0.0322 | 0.1766 | 0.03 |
| 0.35 | 306 | 0.1604 | 0.1842 | 0.0302 |
| 0.45 | 66 | 0.0531 | 0.1792 | 0.03 |
| 0.45 | 78 | 0.2679 | 0.1319 | 0.0305 |
| 0.45 | 90 | 0.2168 | 0.2063 | 0.0303 |
| 0.45 | 282 | 0.1832 | 0.2148 | 0.0302 |
| 0.45 | 294 | 0.1163 | 0.1872 | 0.0301 |
| 0.55 | 66 | 0.2454 | 0.2011 | 0.0304 |
| 0.55 | 78 | 0.1587 | 0.1636 | 0.0302 |
| 0.55 | 90 | 0.3337 | 0.21 | 0.0307 |
| 0.55 | 258 | 0.4947 | 0.2069 | 0.0316 |
| 0.55 | 270 | -0.0974 | 0.2588 | 0.0301 |
| 0.55 | 282 | -0.2364 | 0.23 | 0.0304 |
| 0.55 | 294 | -0.1412 | 0.2356 | 0.0301 |
| 0.65 | 78 | 0.2229 | 0.2332 | 0.0303 |
| 0.65 | 90 | -0.2823 | 0.2496 | 0.0305 |
| 0.65 | 102 | 0.0337 | 0.2148 | 0.03 |
| 0.65 | 114 | -0.3423 | 0.214 | 0.0308 |
| 0.65 | 126 | -0.4412 | 0.1974 | 0.0313 |
| 0.65 | 234 | -0.124 | 0.208 | 0.0301 |
| 0.65 | 246 | 0.3554 | 0.1926 | 0.0308 |
| 0.65 | 258 | -0.056 | 0.1673 | 0.03 |
| 0.65 | 270 | -0.0487 | 0.2006 | 0.03 |
| 0.65 | 282 | -0.0945 | 0.2273 | 0.0301 |
| 0.75 | 90 | 0.3783 | 0.2764 | 0.0309 |
| 0.75 | 102 | 0.2256 | 0.1727 | 0.0303 |
| 0.75 | 114 | 0.0676 | 0.1702 | 0.03 |
| 0.75 | 126 | -0.2641 | 0.168 | 0.0305 |
| 0.75 | 138 | 0.0091 | 0.1867 | 0.03 |
| 0.75 | 150 | 0.3939 | 0.2207 | 0.031 |
| 0.75 | 222 | -0.2378 | 0.204 | 0.0304 |
| 0.75 | 234 | 0.0873 | 0.1933 | 0.0301 |
| 0.75 | 246 | -0.3705 | 0.1403 | 0.0309 |
| 0.75 | 258 | -0.0102 | 0.1481 | 0.03 |
| 0.75 | 270 | 0.1108 | 0.1856 | 0.0301 |
| 0.75 | 282 | -0.2847 | 0.2438 | 0.0305 |
| 0.85 | 102 | 0.026 | 0.2261 | 0.03 |
| 0.85 | 114 | 0.1447 | 0.1604 | 0.0301 |
| 0.85 | 126 | -0.2381 | 0.1573 | 0.0304 |
| 0.85 | 138 | 0.0409 | 0.1495 | 0.03 |
| 0.85 | 150 | -0.0619 | 0.21 | 0.03 |
| 0.85 | 162 | 0.0442 | 0.2369 | 0.03 |
| 0.85 | 210 | -0.6179 | 0.1773 | 0.0324 |
| 0.85 | 222 | 0.1243 | 0.1905 | 0.0301 |
| 0.85 | 234 | 0.0796 | 0.168 | 0.03 |
| 0.85 | 246 | 0.246 | 0.1442 | 0.0304 |
| 0.85 | 258 | 0.0557 | 0.1553 | 0.03 |
| 0.85 | 270 | -0.1003 | 0.153 | 0.0301 |
| 0.95 | 126 | 0.1096 | 0.2638 | 0.0301 |
| 0.95 | 138 | 0.057 | 0.2467 | 0.03 |
| 0.95 | 162 | 0.2295 | 0.2362 | 0.0303 |
| 0.95 | 210 | -0.0237 | 0.2622 | 0.03 |
| 0.95 | 222 | 0.1086 | 0.2331 | 0.0301 |
| 0.95 | 234 | 0.031 | 0.2083 | 0.03 |
| 0.95 | 246 | 0.0601 | 0.2156 | 0.03 |
| 0.95 | 258 | 0.3417 | 0.2186 | 0.0308 |