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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 : | 0.0496 GeV2 | |
|---|---|---|
| W : | 1535 GeV | |
| ε : | 0.8676 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0651 |
|
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 | 0.132 | 0.2723 | 0.0301 |
| 0.25 | 78 | 0.02 | 0.2393 | 0.03 |
| 0.25 | 282 | 0.1844 | 0.2437 | 0.0302 |
| 0.25 | 294 | -0.3724 | 0.2525 | 0.0309 |
| 0.35 | 18 | 0.2575 | 0.2344 | 0.0304 |
| 0.35 | 54 | -0.2517 | 0.2388 | 0.0304 |
| 0.35 | 66 | -0.0489 | 0.1882 | 0.03 |
| 0.35 | 78 | -0.1162 | 0.2011 | 0.0301 |
| 0.35 | 90 | 0.29 | 0.1843 | 0.0306 |
| 0.35 | 270 | -0.0511 | 0.1872 | 0.03 |
| 0.35 | 282 | -0.1736 | 0.1762 | 0.0302 |
| 0.35 | 294 | -0.0513 | 0.2138 | 0.03 |
| 0.35 | 330 | -0.4143 | 0.2356 | 0.0311 |
| 0.45 | 66 | -0.0483 | 0.1789 | 0.03 |
| 0.45 | 78 | -0.0576 | 0.1886 | 0.03 |
| 0.45 | 90 | -0.0781 | 0.199 | 0.03 |
| 0.45 | 102 | -0.2045 | 0.2157 | 0.0303 |
| 0.45 | 114 | -0.1259 | 0.2345 | 0.0301 |
| 0.45 | 126 | 0.1429 | 0.2789 | 0.0301 |
| 0.45 | 138 | -0.0338 | 0.2868 | 0.03 |
| 0.45 | 246 | 0.2754 | 0.2764 | 0.0305 |
| 0.45 | 258 | 0.4304 | 0.1905 | 0.0312 |
| 0.45 | 270 | 0.2862 | 0.1562 | 0.0305 |
| 0.45 | 282 | 0.2102 | 0.1605 | 0.0303 |
| 0.45 | 294 | 0.2597 | 0.2112 | 0.0304 |
| 0.45 | 306 | 0.0486 | 0.2763 | 0.03 |
| 0.45 | 318 | -0.0258 | 0.2596 | 0.03 |
| 0.55 | 78 | -0.1352 | 0.2037 | 0.0301 |
| 0.55 | 90 | -0.1984 | 0.1977 | 0.0303 |
| 0.55 | 102 | -0.1269 | 0.2142 | 0.0301 |
| 0.55 | 114 | 0.288 | 0.2157 | 0.0305 |
| 0.55 | 126 | -0.2368 | 0.1751 | 0.0304 |
| 0.55 | 138 | -0.1095 | 0.1841 | 0.0301 |
| 0.55 | 150 | -0.0084 | 0.2077 | 0.03 |
| 0.55 | 210 | 0.5598 | 0.1757 | 0.032 |
| 0.55 | 222 | 0.4469 | 0.2004 | 0.0313 |
| 0.55 | 234 | -0.1539 | 0.226 | 0.0302 |
| 0.55 | 246 | 0.1501 | 0.1931 | 0.0301 |
| 0.55 | 258 | -0.0427 | 0.2032 | 0.03 |
| 0.55 | 270 | 0.1243 | 0.1872 | 0.0301 |
| 0.55 | 282 | 0.1989 | 0.1722 | 0.0303 |
| 0.65 | 78 | -0.1927 | 0.2165 | 0.0302 |
| 0.65 | 90 | -0.0796 | 0.2555 | 0.03 |
| 0.65 | 102 | 0.4879 | 0.164 | 0.0315 |
| 0.65 | 114 | -0.1914 | 0.182 | 0.0302 |
| 0.65 | 126 | -0.3703 | 0.1574 | 0.0309 |
| 0.65 | 138 | -0.138 | 0.1788 | 0.0301 |
| 0.65 | 150 | -0.0535 | 0.2223 | 0.03 |
| 0.65 | 162 | -0.0799 | 0.2745 | 0.03 |
| 0.65 | 186 | -0.0005 | 0.2781 | 0.03 |
| 0.65 | 198 | -0.056 | 0.229 | 0.03 |
| 0.65 | 210 | -0.1766 | 0.1891 | 0.0302 |
| 0.65 | 222 | 0.1251 | 0.1652 | 0.0301 |
| 0.65 | 234 | 0.1688 | 0.2073 | 0.0302 |
| 0.65 | 246 | -0.0659 | 0.211 | 0.03 |
| 0.65 | 258 | -0.1337 | 0.2044 | 0.0301 |
| 0.65 | 270 | 0.3832 | 0.1982 | 0.031 |
| 0.65 | 282 | 0.1379 | 0.2338 | 0.0301 |
| 0.65 | 294 | 0.1914 | 0.1869 | 0.0302 |
| 0.75 | 66 | 0.2702 | 0.2124 | 0.0305 |
| 0.75 | 78 | 0.3583 | 0.2215 | 0.0308 |
| 0.75 | 90 | -0.6155 | 0.2129 | 0.0324 |
| 0.75 | 102 | 0.445 | 0.2036 | 0.0313 |
| 0.75 | 114 | -0.2057 | 0.181 | 0.0303 |
| 0.75 | 126 | 0.1935 | 0.1659 | 0.0302 |
| 0.75 | 138 | 0.2567 | 0.1658 | 0.0304 |
| 0.75 | 150 | -0.3166 | 0.2333 | 0.0307 |
| 0.75 | 162 | 0.3746 | 0.2655 | 0.0309 |
| 0.75 | 186 | 0.2667 | 0.2724 | 0.0305 |
| 0.75 | 198 | -0.3418 | 0.1632 | 0.0308 |
| 0.75 | 210 | 0.2096 | 0.1663 | 0.0303 |
| 0.75 | 222 | 0.0125 | 0.1488 | 0.03 |
| 0.75 | 234 | 0.0927 | 0.1547 | 0.0301 |
| 0.75 | 246 | 0.4393 | 0.2061 | 0.0313 |
| 0.75 | 258 | -0.0421 | 0.2156 | 0.03 |
| 0.75 | 270 | -0.3824 | 0.1773 | 0.031 |
| 0.75 | 282 | 0.2394 | 0.1601 | 0.0304 |
| 0.75 | 294 | 0.1656 | 0.1659 | 0.0302 |
| 0.85 | 102 | -0.0634 | 0.217 | 0.03 |
| 0.85 | 114 | 0.2571 | 0.2014 | 0.0304 |
| 0.85 | 126 | -0.1257 | 0.2067 | 0.0301 |
| 0.85 | 198 | -0.2654 | 0.226 | 0.0305 |
| 0.85 | 210 | 0.0155 | 0.1832 | 0.03 |
| 0.85 | 222 | -0.2386 | 0.1816 | 0.0304 |
| 0.85 | 234 | 0.233 | 0.1541 | 0.0304 |
| 0.85 | 246 | -0.2497 | 0.192 | 0.0304 |
| 0.85 | 258 | -0.0931 | 0.226 | 0.0301 |
| 0.85 | 270 | -0.2403 | 0.2643 | 0.0304 |
| 0.95 | 126 | 0.2146 | 0.2651 | 0.0303 |
| 0.95 | 138 | 0.5441 | 0.2163 | 0.0319 |
| 0.95 | 210 | 0 | 0.2187 | 0.03 |
| 0.95 | 222 | -0.0288 | 0.2503 | 0.03 |
| 0.95 | 234 | 0.2525 | 0.2167 | 0.0304 |
| 0.95 | 246 | 0.1362 | 0.2624 | 0.0301 |