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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 : | 1325 GeV | |
| ε : | 0.9507 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.4069 |
|
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 | -0.3372 | 0.2397 | 0.0307 |
| 0.25 | 294 | 0.1122 | 0.257 | 0.0301 |
| 0.35 | 66 | -0.0428 | 0.2055 | 0.03 |
| 0.35 | 78 | 0.1003 | 0.2351 | 0.0301 |
| 0.45 | 66 | 0.2338 | 0.2203 | 0.0304 |
| 0.45 | 78 | -0.2781 | 0.2501 | 0.0305 |
| 0.45 | 294 | -0.317 | 0.2282 | 0.0307 |
| 0.55 | 78 | 0.5906 | 0.1954 | 0.0322 |
| 0.55 | 282 | 0.1947 | 0.26 | 0.0303 |
| 0.65 | 102 | -0.4407 | 0.2105 | 0.0313 |
| 0.65 | 246 | 0.3953 | 0.2183 | 0.031 |
| 0.65 | 258 | 0.2498 | 0.2155 | 0.0304 |
| 0.65 | 270 | 0.0299 | 0.1852 | 0.03 |
| 0.75 | 90 | -0.2277 | 0.2249 | 0.0303 |
| 0.75 | 102 | 0.26 | 0.179 | 0.0304 |
| 0.75 | 114 | 0.1747 | 0.1935 | 0.0302 |
| 0.75 | 126 | 0.2091 | 0.2503 | 0.0303 |
| 0.75 | 222 | -0.1065 | 0.2562 | 0.0301 |
| 0.75 | 234 | 0.2119 | 0.2052 | 0.0303 |
| 0.75 | 246 | -0.0656 | 0.204 | 0.03 |
| 0.75 | 258 | -0.3386 | 0.1642 | 0.0308 |
| 0.75 | 270 | -0.0782 | 0.1881 | 0.03 |
| 0.75 | 282 | -0.2857 | 0.1931 | 0.0305 |
| 0.85 | 90 | -0.6223 | 0.1794 | 0.0325 |
| 0.85 | 102 | 0.2594 | 0.1621 | 0.0304 |
| 0.85 | 114 | -0.0259 | 0.1781 | 0.03 |
| 0.85 | 126 | -0.0152 | 0.2223 | 0.03 |
| 0.85 | 138 | -0.136 | 0.2426 | 0.0301 |
| 0.85 | 150 | 0.4452 | 0.2318 | 0.0313 |
| 0.85 | 222 | 0.2417 | 0.2274 | 0.0304 |
| 0.85 | 234 | -0.1757 | 0.2384 | 0.0302 |
| 0.85 | 246 | -0.0905 | 0.1764 | 0.0301 |
| 0.85 | 258 | 0.0114 | 0.1794 | 0.03 |
| 0.85 | 270 | 0.067 | 0.1668 | 0.03 |
| 0.85 | 282 | 0.139 | 0.1777 | 0.0301 |
| 0.95 | 114 | -0.2001 | 0.2489 | 0.0303 |
| 0.95 | 126 | 0.0707 | 0.2526 | 0.03 |
| 0.95 | 138 | 0.2928 | 0.2317 | 0.0306 |
| 0.95 | 150 | 0.2343 | 0.2197 | 0.0304 |
| 0.95 | 210 | -0.062 | 0.2606 | 0.03 |
| 0.95 | 234 | -0.2613 | 0.2046 | 0.0305 |
| 0.95 | 246 | -0.2964 | 0.1902 | 0.0306 |
| 0.95 | 258 | -0.0731 | 0.2065 | 0.03 |
| 0.95 | 270 | 0.2333 | 0.2096 | 0.0304 |
| 0.95 | 282 | -0.2251 | 0.2304 | 0.0303 |
| 0.15 | 306 | 0.3 | 0.231 | 0.0306 |
| 0.25 | 66 | 0.3365 | 0.1949 | 0.0307 |
| 0.25 | 294 | -0.234 | 0.2064 | 0.0304 |
| 0.35 | 66 | -0.0329 | 0.1912 | 0.03 |
| 0.35 | 294 | -0.0435 | 0.2185 | 0.03 |
| 0.45 | 66 | 0.456 | 0.197 | 0.0314 |
| 0.45 | 78 | 0.2132 | 0.2308 | 0.0303 |
| 0.45 | 282 | 0.0035 | 0.2392 | 0.03 |
| 0.45 | 294 | 0.1605 | 0.2149 | 0.0302 |
| 0.55 | 66 | -0.004 | 0.2632 | 0.03 |
| 0.55 | 78 | 0.1121 | 0.2443 | 0.0301 |
| 0.55 | 270 | -0.126 | 0.2304 | 0.0301 |
| 0.65 | 90 | -0.4132 | 0.2439 | 0.0311 |
| 0.65 | 102 | 0.4351 | 0.2358 | 0.0312 |
| 0.65 | 114 | -0.0509 | 0.1961 | 0.03 |
| 0.65 | 246 | -0.6054 | 0.2216 | 0.0324 |
| 0.65 | 258 | 0.1844 | 0.1879 | 0.0302 |
| 0.65 | 270 | -0.1249 | 0.1883 | 0.0301 |
| 0.65 | 282 | -0.1579 | 0.2264 | 0.0302 |
| 0.75 | 90 | 0.0095 | 0.1952 | 0.03 |
| 0.75 | 102 | 0.0909 | 0.1773 | 0.0301 |
| 0.75 | 114 | -0.0375 | 0.2141 | 0.03 |
| 0.75 | 126 | -0.0916 | 0.219 | 0.0301 |
| 0.75 | 234 | 0.1218 | 0.1856 | 0.0301 |
| 0.75 | 246 | -0.1139 | 0.1914 | 0.0301 |
| 0.75 | 258 | -0.2589 | 0.1705 | 0.0304 |
| 0.75 | 270 | -0.3543 | 0.1855 | 0.0308 |
| 0.75 | 282 | -0.0423 | 0.1927 | 0.03 |
| 0.85 | 90 | 0.1692 | 0.1774 | 0.0302 |
| 0.85 | 102 | 0.06 | 0.1733 | 0.03 |
| 0.85 | 114 | -0.4657 | 0.1579 | 0.0314 |
| 0.85 | 126 | 0.1731 | 0.1568 | 0.0302 |
| 0.85 | 138 | 0.0969 | 0.2052 | 0.0301 |
| 0.85 | 150 | 0.1948 | 0.2383 | 0.0303 |
| 0.85 | 222 | -0.2904 | 0.2121 | 0.0306 |
| 0.85 | 234 | -0.1622 | 0.1921 | 0.0302 |
| 0.85 | 246 | 0.0365 | 0.1826 | 0.03 |
| 0.85 | 258 | -0.0723 | 0.1557 | 0.03 |
| 0.85 | 270 | 0.086 | 0.1643 | 0.03 |
| 0.85 | 282 | -0.4029 | 0.1463 | 0.0311 |
| 0.95 | 102 | 0.2394 | 0.2119 | 0.0304 |
| 0.95 | 114 | -0.3476 | 0.1914 | 0.0308 |
| 0.95 | 126 | -0.1501 | 0.1965 | 0.0301 |
| 0.95 | 150 | -0.3291 | 0.2126 | 0.0307 |
| 0.95 | 162 | 0.552 | 0.2195 | 0.032 |
| 0.95 | 222 | -0.2857 | 0.2517 | 0.0305 |
| 0.95 | 246 | 0.3037 | 0.2077 | 0.0306 |
| 0.95 | 258 | 0.1192 | 0.1954 | 0.0301 |
| 0.95 | 270 | -0.0309 | 0.2021 | 0.03 |
| 0.95 | 282 | -0.2242 | 0.2165 | 0.0303 |