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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 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1475 GeV | |
| ε : | 0.8924 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1192 |
|
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 | 30 | 0.3635 | 0.2566 | 0.0309 |
| 0.15 | 54 | 0.5318 | 0.2255 | 0.0318 |
| 0.25 | 18 | 0.1718 | 0.254 | 0.0302 |
| 0.25 | 42 | 0.0513 | 0.2529 | 0.03 |
| 0.25 | 54 | 0.0193 | 0.2453 | 0.03 |
| 0.25 | 66 | 0.3986 | 0.1942 | 0.031 |
| 0.25 | 78 | -0.1701 | 0.2277 | 0.0302 |
| 0.25 | 90 | -0.019 | 0.2781 | 0.03 |
| 0.25 | 282 | 0.0933 | 0.1876 | 0.0301 |
| 0.25 | 294 | -0.3123 | 0.2121 | 0.0306 |
| 0.25 | 306 | -0.2076 | 0.2396 | 0.0303 |
| 0.35 | 18 | 0.2189 | 0.27 | 0.0303 |
| 0.35 | 30 | 0.5348 | 0.2512 | 0.0318 |
| 0.35 | 54 | -0.2152 | 0.2378 | 0.0303 |
| 0.35 | 66 | 0.4503 | 0.1604 | 0.0313 |
| 0.35 | 78 | -0.0607 | 0.1488 | 0.03 |
| 0.35 | 90 | -0.0711 | 0.2044 | 0.03 |
| 0.35 | 258 | -0.1758 | 0.2793 | 0.0302 |
| 0.35 | 270 | 0.2648 | 0.1947 | 0.0305 |
| 0.35 | 282 | 0.2553 | 0.1579 | 0.0304 |
| 0.35 | 294 | -0.0282 | 0.1761 | 0.03 |
| 0.35 | 306 | -0.1308 | 0.2342 | 0.0301 |
| 0.35 | 318 | -0.261 | 0.2671 | 0.0305 |
| 0.35 | 330 | 0.1288 | 0.2695 | 0.0301 |
| 0.45 | 66 | 0.0431 | 0.1909 | 0.03 |
| 0.45 | 78 | 0.0243 | 0.153 | 0.03 |
| 0.45 | 90 | -0.406 | 0.1726 | 0.0311 |
| 0.45 | 102 | 0.3688 | 0.2401 | 0.0309 |
| 0.45 | 114 | -0.0085 | 0.2648 | 0.03 |
| 0.45 | 258 | -0.0385 | 0.233 | 0.03 |
| 0.45 | 270 | 0.0839 | 0.1557 | 0.03 |
| 0.45 | 282 | 0.0438 | 0.1413 | 0.03 |
| 0.45 | 294 | 0.2421 | 0.1562 | 0.0304 |
| 0.45 | 306 | 0.5055 | 0.2054 | 0.0317 |
| 0.55 | 66 | -0.1054 | 0.2278 | 0.0301 |
| 0.55 | 78 | 0.2219 | 0.1514 | 0.0303 |
| 0.55 | 90 | -0.0612 | 0.1697 | 0.03 |
| 0.55 | 102 | 0.0219 | 0.1945 | 0.03 |
| 0.55 | 114 | -0.1798 | 0.1931 | 0.0302 |
| 0.55 | 126 | -0.259 | 0.1849 | 0.0304 |
| 0.55 | 138 | -0.1955 | 0.2449 | 0.0303 |
| 0.55 | 222 | 0.2939 | 0.243 | 0.0306 |
| 0.55 | 234 | 0.1399 | 0.1948 | 0.0301 |
| 0.55 | 246 | -0.0049 | 0.2155 | 0.03 |
| 0.55 | 258 | 0.2527 | 0.1887 | 0.0304 |
| 0.55 | 270 | 0.2 | 0.1565 | 0.0303 |
| 0.55 | 282 | -0.0223 | 0.1498 | 0.03 |
| 0.55 | 294 | 0.0203 | 0.1885 | 0.03 |
| 0.55 | 306 | -0.1242 | 0.2441 | 0.0301 |
| 0.65 | 66 | -0.0517 | 0.1857 | 0.03 |
| 0.65 | 78 | 0.0207 | 0.1959 | 0.03 |
| 0.65 | 90 | 0.3791 | 0.2131 | 0.0309 |
| 0.65 | 102 | -0.4104 | 0.1586 | 0.0311 |
| 0.65 | 114 | 0.234 | 0.1443 | 0.0304 |
| 0.65 | 126 | -0.1865 | 0.1576 | 0.0302 |
| 0.65 | 138 | -0.0294 | 0.1794 | 0.03 |
| 0.65 | 150 | -0.1048 | 0.216 | 0.0301 |
| 0.65 | 210 | -0.0938 | 0.1976 | 0.0301 |
| 0.65 | 222 | -0.2688 | 0.1691 | 0.0305 |
| 0.65 | 234 | 0.213 | 0.1627 | 0.0303 |
| 0.65 | 246 | -0.1722 | 0.1668 | 0.0302 |
| 0.65 | 258 | 0.2676 | 0.1713 | 0.0305 |
| 0.65 | 270 | 0.2208 | 0.2003 | 0.0303 |
| 0.65 | 282 | 0.0664 | 0.2362 | 0.03 |
| 0.65 | 294 | 0.3397 | 0.1669 | 0.0308 |
| 0.65 | 306 | 0.0202 | 0.2103 | 0.03 |
| 0.75 | 66 | 0.2813 | 0.2097 | 0.0305 |
| 0.75 | 78 | -0.2571 | 0.2553 | 0.0304 |
| 0.75 | 102 | 0.0177 | 0.2053 | 0.03 |
| 0.75 | 114 | -0.0386 | 0.1573 | 0.03 |
| 0.75 | 126 | -0.0618 | 0.1474 | 0.03 |
| 0.75 | 138 | -0.202 | 0.1544 | 0.0303 |
| 0.75 | 150 | -0.0863 | 0.202 | 0.03 |
| 0.75 | 198 | -0.2973 | 0.2152 | 0.0306 |
| 0.75 | 210 | -0.0376 | 0.1722 | 0.03 |
| 0.75 | 222 | 0.0186 | 0.1415 | 0.03 |
| 0.75 | 234 | -0.2112 | 0.1466 | 0.0303 |
| 0.75 | 246 | -0.1231 | 0.151 | 0.0301 |
| 0.75 | 258 | 0.0033 | 0.1843 | 0.03 |
| 0.75 | 270 | 0.2324 | 0.2704 | 0.0304 |
| 0.75 | 282 | -0.0368 | 0.1648 | 0.03 |
| 0.75 | 294 | 0.0243 | 0.2097 | 0.03 |
| 0.85 | 90 | 0.2522 | 0.1883 | 0.0304 |
| 0.85 | 102 | 0.1319 | 0.1899 | 0.0301 |
| 0.85 | 114 | -0.2048 | 0.2516 | 0.0303 |
| 0.85 | 126 | -0.0007 | 0.1966 | 0.03 |
| 0.85 | 138 | -0.1989 | 0.1874 | 0.0303 |
| 0.85 | 150 | 0.2792 | 0.2431 | 0.0305 |
| 0.85 | 198 | -0.1275 | 0.2705 | 0.0301 |
| 0.85 | 210 | -0.2081 | 0.1916 | 0.0303 |
| 0.85 | 222 | -0.0813 | 0.1449 | 0.03 |
| 0.85 | 234 | -0.084 | 0.1409 | 0.03 |
| 0.85 | 246 | 0.2098 | 0.156 | 0.0303 |
| 0.85 | 258 | -0.0053 | 0.1587 | 0.03 |
| 0.85 | 270 | -0.4383 | 0.2349 | 0.0313 |
| 0.95 | 102 | -0.2064 | 0.2595 | 0.0303 |
| 0.95 | 114 | -0.2849 | 0.2394 | 0.0305 |
| 0.95 | 210 | 0.1971 | 0.2726 | 0.0303 |
| 0.95 | 222 | -0.1667 | 0.2036 | 0.0302 |
| 0.95 | 234 | 0.0397 | 0.1909 | 0.03 |
| 0.95 | 246 | -0.0313 | 0.1768 | 0.03 |
| 0.95 | 258 | -0.185 | 0.2617 | 0.0302 |