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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 : | 0.205 GeV2 | |
|---|---|---|
| W : | 1655 GeV | |
| ε : | 0.8887 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.1506 |
|
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 | 66 | -0.3406 | 0.2695 | 0.0308 |
| 0.25 | 66 | 0.0912 | 0.253 | 0.0301 |
| 0.25 | 270 | -0.2672 | 0.2675 | 0.0305 |
| 0.35 | 270 | -0.0117 | 0.2613 | 0.03 |
| 0.35 | 282 | 0.2475 | 0.23 | 0.0304 |
| 0.45 | 102 | 0.016 | 0.2853 | 0.03 |
| 0.45 | 114 | -0.2243 | 0.2352 | 0.0303 |
| 0.45 | 258 | 0.1148 | 0.2612 | 0.0301 |
| 0.45 | 270 | -0.0123 | 0.2623 | 0.03 |
| 0.45 | 282 | -0.4066 | 0.1962 | 0.0311 |
| 0.45 | 294 | -0.3774 | 0.2376 | 0.0309 |
| 0.55 | 42 | -0.4049 | 0.2381 | 0.0311 |
| 0.55 | 54 | 0.0766 | 0.2285 | 0.03 |
| 0.55 | 90 | 0.1454 | 0.238 | 0.0301 |
| 0.55 | 102 | -0.0553 | 0.1972 | 0.03 |
| 0.55 | 114 | -0.2063 | 0.1932 | 0.0303 |
| 0.55 | 126 | -0.3659 | 0.2181 | 0.0309 |
| 0.55 | 138 | -0.2313 | 0.2395 | 0.0304 |
| 0.55 | 222 | 0.3985 | 0.2324 | 0.031 |
| 0.55 | 234 | -0.3339 | 0.2144 | 0.0307 |
| 0.55 | 258 | 0.018 | 0.2287 | 0.03 |
| 0.55 | 270 | -0.0785 | 0.189 | 0.03 |
| 0.55 | 282 | 0.1378 | 0.2377 | 0.0301 |
| 0.55 | 294 | 0.2366 | 0.2652 | 0.0304 |
| 0.65 | 90 | 0.2059 | 0.2683 | 0.0303 |
| 0.65 | 102 | 0.2075 | 0.1666 | 0.0303 |
| 0.65 | 114 | 0.1757 | 0.1618 | 0.0302 |
| 0.65 | 126 | -0.2444 | 0.1978 | 0.0304 |
| 0.65 | 138 | -0.0931 | 0.2431 | 0.0301 |
| 0.65 | 198 | 0.0321 | 0.2373 | 0.03 |
| 0.65 | 210 | -0.0088 | 0.2289 | 0.03 |
| 0.65 | 222 | -0.2397 | 0.2048 | 0.0304 |
| 0.65 | 234 | 0.3564 | 0.2404 | 0.0308 |
| 0.65 | 246 | 0.2603 | 0.2202 | 0.0304 |
| 0.65 | 282 | 0.1301 | 0.2413 | 0.0301 |
| 0.65 | 294 | -0.0823 | 0.1982 | 0.03 |
| 0.65 | 306 | -0.0679 | 0.2249 | 0.03 |
| 0.75 | 78 | 0.145 | 0.2121 | 0.0301 |
| 0.75 | 102 | 0.5832 | 0.1913 | 0.0322 |
| 0.75 | 114 | -0.057 | 0.1638 | 0.03 |
| 0.75 | 126 | 0.0673 | 0.1996 | 0.03 |
| 0.75 | 138 | -0.2704 | 0.2171 | 0.0305 |
| 0.75 | 186 | -0.2141 | 0.2391 | 0.0303 |
| 0.75 | 198 | 0.2204 | 0.1962 | 0.0303 |
| 0.75 | 210 | -0.0398 | 0.177 | 0.03 |
| 0.75 | 222 | -0.1155 | 0.179 | 0.0301 |
| 0.75 | 234 | -0.2352 | 0.1802 | 0.0304 |
| 0.75 | 246 | -0.2434 | 0.1872 | 0.0304 |
| 0.75 | 282 | 0.2182 | 0.2014 | 0.0303 |
| 0.75 | 294 | 0.1401 | 0.2076 | 0.0301 |
| 0.75 | 306 | 0.0562 | 0.2515 | 0.03 |
| 0.85 | 66 | 0.4063 | 0.2039 | 0.0311 |
| 0.85 | 78 | 0.0127 | 0.1542 | 0.03 |
| 0.85 | 90 | -0.0582 | 0.1559 | 0.03 |
| 0.85 | 102 | 0.2122 | 0.1837 | 0.0303 |
| 0.85 | 114 | 0.0099 | 0.2015 | 0.03 |
| 0.85 | 174 | -0.0874 | 0.2533 | 0.0301 |
| 0.85 | 186 | -0.2788 | 0.2004 | 0.0305 |
| 0.85 | 198 | 0.1665 | 0.1899 | 0.0302 |
| 0.85 | 210 | -0.1847 | 0.1521 | 0.0302 |
| 0.85 | 222 | -0.2184 | 0.1543 | 0.0303 |
| 0.85 | 234 | -0.1092 | 0.1383 | 0.0301 |
| 0.85 | 246 | 0.0854 | 0.1564 | 0.03 |
| 0.85 | 258 | -0.2706 | 0.1931 | 0.0305 |
| 0.85 | 270 | -0.2293 | 0.2273 | 0.0303 |
| 0.85 | 282 | 0.0251 | 0.2678 | 0.03 |
| 0.95 | 90 | 0.1797 | 0.2059 | 0.0302 |
| 0.95 | 102 | 0.4039 | 0.2657 | 0.0311 |
| 0.95 | 186 | -0.5656 | 0.2365 | 0.0321 |
| 0.95 | 198 | 0.3254 | 0.2013 | 0.0307 |
| 0.95 | 210 | 0.061 | 0.2254 | 0.03 |
| 0.95 | 222 | -0.1248 | 0.2071 | 0.0301 |
| 0.95 | 234 | 0.1535 | 0.1702 | 0.0302 |
| 0.95 | 246 | 0.2042 | 0.166 | 0.0303 |
| 0.95 | 258 | -0.0318 | 0.1649 | 0.03 |
| 0.95 | 270 | 0.0922 | 0.1763 | 0.0301 |
| 0.95 | 282 | 0.2147 | 0.2006 | 0.0303 |