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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 : | 1685 GeV | |
| ε : | 0.8999 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.0641 |
|
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 | 54 | -0.2434 | 0.2693 | 0.0304 |
| 0.25 | 66 | -0.3686 | 0.2432 | 0.0309 |
| 0.25 | 78 | 0.0295 | 0.2808 | 0.03 |
| 0.25 | 270 | 0.3346 | 0.3176 | 0.0307 |
| 0.35 | 66 | 0.2246 | 0.2122 | 0.0303 |
| 0.35 | 78 | -0.0959 | 0.2319 | 0.0301 |
| 0.35 | 258 | -0.3706 | 0.2417 | 0.0309 |
| 0.35 | 270 | 0.483 | 0.2135 | 0.0315 |
| 0.35 | 282 | 0.6488 | 0.1551 | 0.0327 |
| 0.45 | 66 | 0.2402 | 0.2526 | 0.0304 |
| 0.45 | 78 | 0.0027 | 0.2501 | 0.03 |
| 0.45 | 102 | 0.2149 | 0.2522 | 0.0303 |
| 0.45 | 114 | -0.269 | 0.2094 | 0.0305 |
| 0.45 | 126 | 0.2961 | 0.2326 | 0.0306 |
| 0.45 | 210 | -0.0521 | 0.2683 | 0.03 |
| 0.45 | 222 | -0.2491 | 0.2483 | 0.0304 |
| 0.45 | 258 | -0.0573 | 0.2493 | 0.03 |
| 0.45 | 270 | 0.2681 | 0.2077 | 0.0305 |
| 0.45 | 282 | 0.3211 | 0.1776 | 0.0307 |
| 0.45 | 294 | -0.0408 | 0.2851 | 0.03 |
| 0.55 | 66 | -0.045 | 0.2471 | 0.03 |
| 0.55 | 78 | -0.342 | 0.2299 | 0.0308 |
| 0.55 | 102 | 0.117 | 0.2348 | 0.0301 |
| 0.55 | 114 | 0.2765 | 0.189 | 0.0305 |
| 0.55 | 126 | 0.0349 | 0.2091 | 0.03 |
| 0.55 | 138 | 0.2613 | 0.2422 | 0.0305 |
| 0.55 | 150 | 0.1251 | 0.262 | 0.0301 |
| 0.55 | 198 | -0.4199 | 0.198 | 0.0312 |
| 0.55 | 210 | -0.1191 | 0.2092 | 0.0301 |
| 0.55 | 222 | 0.0012 | 0.2084 | 0.03 |
| 0.55 | 246 | -0.4114 | 0.2218 | 0.0311 |
| 0.55 | 258 | -0.1518 | 0.2098 | 0.0302 |
| 0.55 | 270 | -0.0857 | 0.1951 | 0.03 |
| 0.55 | 282 | -0.216 | 0.2731 | 0.0303 |
| 0.65 | 42 | -0.2515 | 0.2607 | 0.0304 |
| 0.65 | 54 | 0.0857 | 0.2036 | 0.03 |
| 0.65 | 66 | -0.1642 | 0.2465 | 0.0302 |
| 0.65 | 102 | 0.0932 | 0.1914 | 0.0301 |
| 0.65 | 114 | 0.2317 | 0.1678 | 0.0304 |
| 0.65 | 126 | -0.1477 | 0.1577 | 0.0301 |
| 0.65 | 138 | 0.3192 | 0.1946 | 0.0307 |
| 0.65 | 186 | -0.1765 | 0.2214 | 0.0302 |
| 0.65 | 198 | 0.1146 | 0.1852 | 0.0301 |
| 0.65 | 210 | -0.1124 | 0.2114 | 0.0301 |
| 0.65 | 222 | -0.2599 | 0.1915 | 0.0304 |
| 0.65 | 234 | 0.2061 | 0.238 | 0.0303 |
| 0.65 | 258 | 0.2093 | 0.2862 | 0.0303 |
| 0.65 | 270 | 0.1738 | 0.2804 | 0.0302 |
| 0.65 | 282 | -0.0335 | 0.1922 | 0.03 |
| 0.65 | 294 | -0.1323 | 0.1947 | 0.0301 |
| 0.75 | 54 | -0.2112 | 0.2567 | 0.0303 |
| 0.75 | 90 | 0.077 | 0.2068 | 0.03 |
| 0.75 | 102 | 0.1087 | 0.2404 | 0.0301 |
| 0.75 | 114 | -0.2926 | 0.1814 | 0.0306 |
| 0.75 | 126 | 0.3012 | 0.1974 | 0.0306 |
| 0.75 | 138 | -0.0337 | 0.1844 | 0.03 |
| 0.75 | 186 | -0.0368 | 0.2206 | 0.03 |
| 0.75 | 198 | -0.1494 | 0.1734 | 0.0301 |
| 0.75 | 210 | -0.057 | 0.1624 | 0.03 |
| 0.75 | 222 | 0.0015 | 0.1599 | 0.03 |
| 0.75 | 234 | -0.5018 | 0.1635 | 0.0316 |
| 0.75 | 270 | 0.3633 | 0.1548 | 0.0309 |
| 0.75 | 282 | -0.4514 | 0.1637 | 0.0313 |
| 0.75 | 294 | 0.0978 | 0.1968 | 0.0301 |
| 0.85 | 78 | -0.148 | 0.2684 | 0.0301 |
| 0.85 | 90 | 0.1826 | 0.1463 | 0.0302 |
| 0.85 | 102 | 0.1529 | 0.1508 | 0.0302 |
| 0.85 | 114 | 0.118 | 0.1737 | 0.0301 |
| 0.85 | 126 | -0.1147 | 0.2047 | 0.0301 |
| 0.85 | 162 | 0.0058 | 0.2842 | 0.03 |
| 0.85 | 174 | 0.0439 | 0.1934 | 0.03 |
| 0.85 | 186 | -0.3657 | 0.1582 | 0.0309 |
| 0.85 | 198 | -0.1081 | 0.1532 | 0.0301 |
| 0.85 | 210 | -0.0183 | 0.1652 | 0.03 |
| 0.85 | 222 | 0.2588 | 0.1527 | 0.0304 |
| 0.85 | 234 | 0.0097 | 0.1909 | 0.03 |
| 0.85 | 246 | 0.0818 | 0.235 | 0.03 |
| 0.85 | 270 | 0.2669 | 0.2492 | 0.0305 |
| 0.85 | 282 | -0.1444 | 0.2067 | 0.0301 |
| 0.95 | 102 | -0.1226 | 0.2884 | 0.0301 |
| 0.95 | 114 | 0.1764 | 0.2888 | 0.0302 |
| 0.95 | 126 | 0.1691 | 0.2863 | 0.0302 |
| 0.95 | 174 | -0.0902 | 0.2672 | 0.0301 |
| 0.95 | 186 | -0.0307 | 0.2522 | 0.03 |
| 0.95 | 198 | 0.116 | 0.2351 | 0.0301 |
| 0.95 | 210 | -0.2441 | 0.2065 | 0.0304 |
| 0.95 | 222 | -0.2123 | 0.2074 | 0.0303 |
| 0.95 | 234 | -0.1691 | 0.202 | 0.0302 |
| 0.95 | 246 | -0.0297 | 0.2674 | 0.03 |