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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 : | 1415 GeV | |
| ε : | 0.9276 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.2551 |
|
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 | -0.2279 | 0.1948 | 0.0303 |
| 0.35 | 66 | -0.1118 | 0.2156 | 0.0301 |
| 0.35 | 78 | 0.1029 | 0.2044 | 0.0301 |
| 0.35 | 294 | 0.0634 | 0.2011 | 0.03 |
| 0.35 | 306 | 0.295 | 0.2312 | 0.0306 |
| 0.45 | 66 | -0.1405 | 0.2517 | 0.0301 |
| 0.45 | 78 | 0.1062 | 0.2272 | 0.0301 |
| 0.45 | 282 | 0.4588 | 0.1875 | 0.0314 |
| 0.45 | 294 | 0.0104 | 0.2263 | 0.03 |
| 0.45 | 306 | 0.0788 | 0.2597 | 0.03 |
| 0.55 | 66 | -0.1352 | 0.2428 | 0.0301 |
| 0.55 | 102 | 0.0719 | 0.2581 | 0.03 |
| 0.55 | 270 | 0.0891 | 0.2219 | 0.0301 |
| 0.55 | 282 | -0.2545 | 0.2387 | 0.0304 |
| 0.55 | 294 | 0.274 | 0.2126 | 0.0305 |
| 0.65 | 90 | 0.3824 | 0.2406 | 0.031 |
| 0.65 | 102 | 0.0556 | 0.2054 | 0.03 |
| 0.65 | 114 | 0.268 | 0.1647 | 0.0305 |
| 0.65 | 126 | 0.3304 | 0.2072 | 0.0307 |
| 0.65 | 246 | -0.1347 | 0.2128 | 0.0301 |
| 0.65 | 258 | -0.013 | 0.2208 | 0.03 |
| 0.75 | 90 | -0.1937 | 0.2353 | 0.0302 |
| 0.75 | 102 | 0.3791 | 0.1881 | 0.0309 |
| 0.75 | 114 | 0.1875 | 0.177 | 0.0302 |
| 0.75 | 126 | -0.1651 | 0.1862 | 0.0302 |
| 0.75 | 138 | -0.2423 | 0.2561 | 0.0304 |
| 0.75 | 222 | 0.1136 | 0.204 | 0.0301 |
| 0.75 | 234 | 0.1375 | 0.2029 | 0.0301 |
| 0.75 | 246 | 0.0766 | 0.1693 | 0.03 |
| 0.75 | 258 | -0.1103 | 0.1749 | 0.0301 |
| 0.85 | 78 | 0.1663 | 0.2087 | 0.0302 |
| 0.85 | 102 | 0.3217 | 0.1897 | 0.0307 |
| 0.85 | 114 | -0.0159 | 0.1793 | 0.03 |
| 0.85 | 126 | -0.027 | 0.2032 | 0.03 |
| 0.85 | 138 | 0.1193 | 0.1853 | 0.0301 |
| 0.85 | 210 | 0.3897 | 0.2323 | 0.031 |
| 0.85 | 222 | -0.1437 | 0.2279 | 0.0301 |
| 0.85 | 234 | -0.1996 | 0.1935 | 0.0303 |
| 0.85 | 246 | -0.239 | 0.1864 | 0.0304 |
| 0.85 | 258 | 0.1098 | 0.1971 | 0.0301 |
| 0.85 | 270 | -0.0088 | 0.2008 | 0.03 |
| 0.85 | 282 | -0.4811 | 0.2188 | 0.0315 |
| 0.95 | 78 | 0.1988 | 0.2582 | 0.0303 |
| 0.95 | 222 | -0.1849 | 0.2494 | 0.0302 |
| 0.95 | 246 | -0.0951 | 0.2205 | 0.0301 |
| 0.95 | 258 | 0.1011 | 0.1966 | 0.0301 |
| 0.95 | 270 | -0.4134 | 0.1762 | 0.0311 |
| 0.95 | 282 | -0.3483 | 0.2174 | 0.0308 |
| 0.25 | 306 | -0.2531 | 0.2607 | 0.0304 |
| 0.35 | 66 | 0.2592 | 0.2186 | 0.0304 |
| 0.35 | 78 | -0.4015 | 0.2089 | 0.0311 |
| 0.35 | 282 | 0.2555 | 0.2381 | 0.0304 |
| 0.35 | 294 | -0.0772 | 0.2505 | 0.03 |
| 0.45 | 66 | -0.2292 | 0.2232 | 0.0303 |
| 0.45 | 78 | 0.1495 | 0.2597 | 0.0301 |
| 0.45 | 282 | 0.12 | 0.214 | 0.0301 |
| 0.45 | 294 | 0.4134 | 0.205 | 0.0311 |
| 0.55 | 78 | 0.3006 | 0.2289 | 0.0306 |
| 0.55 | 102 | 0.4731 | 0.2271 | 0.0315 |
| 0.55 | 282 | 0.0891 | 0.249 | 0.0301 |
| 0.65 | 102 | -0.1557 | 0.2276 | 0.0302 |
| 0.65 | 114 | -0.0333 | 0.2089 | 0.03 |
| 0.65 | 126 | 0.1616 | 0.2218 | 0.0302 |
| 0.65 | 246 | 0.2309 | 0.1928 | 0.0304 |
| 0.65 | 258 | -0.1085 | 0.2358 | 0.0301 |
| 0.65 | 270 | -0.0022 | 0.2296 | 0.03 |
| 0.75 | 90 | 0.3039 | 0.2254 | 0.0306 |
| 0.75 | 102 | 0.2031 | 0.1624 | 0.0303 |
| 0.75 | 114 | -0.046 | 0.2354 | 0.03 |
| 0.75 | 126 | -0.2294 | 0.1845 | 0.0303 |
| 0.75 | 138 | 0.3129 | 0.1883 | 0.0306 |
| 0.75 | 222 | 0.1164 | 0.242 | 0.0301 |
| 0.75 | 234 | 0.0816 | 0.2004 | 0.03 |
| 0.75 | 246 | 0.1956 | 0.2049 | 0.0303 |
| 0.75 | 258 | -0.1248 | 0.2132 | 0.0301 |
| 0.75 | 270 | 0.0136 | 0.2342 | 0.03 |
| 0.85 | 102 | -0.0516 | 0.2226 | 0.03 |
| 0.85 | 114 | -0.2199 | 0.1746 | 0.0303 |
| 0.85 | 126 | 0.503 | 0.1949 | 0.0316 |
| 0.85 | 138 | -0.1782 | 0.2549 | 0.0302 |
| 0.85 | 210 | -0.2155 | 0.2605 | 0.0303 |
| 0.85 | 222 | 0.3985 | 0.1961 | 0.031 |
| 0.85 | 234 | 0.2164 | 0.2223 | 0.0303 |
| 0.85 | 246 | -0.1201 | 0.1869 | 0.0301 |
| 0.85 | 258 | -0.072 | 0.2123 | 0.03 |
| 0.85 | 270 | -0.4531 | 0.2023 | 0.0313 |
| 0.85 | 282 | 0.3691 | 0.2167 | 0.0309 |
| 0.95 | 90 | -0.4312 | 0.2149 | 0.0312 |
| 0.95 | 234 | -0.2005 | 0.2594 | 0.0303 |
| 0.95 | 246 | -0.0231 | 0.236 | 0.03 |
| 0.95 | 258 | 0.1206 | 0.1947 | 0.0301 |
| 0.95 | 270 | -0.2509 | 0.1701 | 0.0304 |