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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 : | 0.0245 GeV2 | |
|---|---|---|
| W : | 1415 GeV | |
| ε : | 0.8296 | |
| Ebeam : | 1.3383 GeV | |
| εL: | 0.0544 |
|
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 | 30 | 0.3887 | 0.2059 | 0.031 |
| 0.25 | 42 | 0.2884 | 0.1924 | 0.0306 |
| 0.35 | 30 | -0.2699 | 0.2026 | 0.0305 |
| 0.35 | 42 | 0.1323 | 0.2046 | 0.0302 |
| 0.45 | 18 | 0.2928 | 0.2151 | 0.0306 |
| 0.45 | 30 | -0.0748 | 0.2052 | 0.03 |
| 0.45 | 42 | 0.0711 | 0.1985 | 0.03 |
| 0.45 | 54 | 0.2795 | 0.2688 | 0.0305 |
| 0.55 | 18 | -0.1949 | 0.2328 | 0.0303 |
| 0.55 | 30 | -0.2485 | 0.2152 | 0.0304 |
| 0.55 | 42 | 0.232 | 0.1898 | 0.0304 |
| 0.55 | 54 | 0.1405 | 0.2746 | 0.0301 |
| 0.55 | 126 | 0.0654 | 0.2457 | 0.03 |
| 0.55 | 138 | -0.1372 | 0.2069 | 0.0301 |
| 0.55 | 150 | 0.8302 | 0.2023 | 0.0343 |
| 0.55 | 162 | -0.2254 | 0.2751 | 0.0303 |
| 0.55 | 222 | -0.0561 | 0.2163 | 0.03 |
| 0.55 | 234 | -0.0491 | 0.2264 | 0.03 |
| 0.55 | 246 | -0.0224 | 0.2053 | 0.03 |
| 0.55 | 258 | 0.002 | 0.2871 | 0.03 |
| 0.65 | 30 | -0.3459 | 0.2637 | 0.0308 |
| 0.65 | 114 | 0.6328 | 0.2537 | 0.0326 |
| 0.65 | 126 | 0.0445 | 0.1973 | 0.03 |
| 0.65 | 138 | 0.2048 | 0.1656 | 0.0303 |
| 0.65 | 150 | 0.252 | 0.212 | 0.0304 |
| 0.65 | 162 | -0.1831 | 0.2373 | 0.0302 |
| 0.65 | 174 | -0.293 | 0.273 | 0.0306 |
| 0.65 | 198 | -0.2064 | 0.2583 | 0.0303 |
| 0.65 | 210 | 0.1687 | 0.2109 | 0.0302 |
| 0.65 | 222 | -0.0267 | 0.1736 | 0.03 |
| 0.65 | 234 | -0.1447 | 0.1561 | 0.0301 |
| 0.65 | 246 | -0.0805 | 0.1832 | 0.03 |
| 0.65 | 258 | -0.1896 | 0.2663 | 0.0302 |
| 0.75 | 126 | -0.2953 | 0.2194 | 0.0306 |
| 0.75 | 138 | -0.0729 | 0.1754 | 0.03 |
| 0.75 | 150 | -0.0313 | 0.2147 | 0.03 |
| 0.75 | 162 | 0.2764 | 0.2401 | 0.0305 |
| 0.75 | 210 | -0.0227 | 0.2468 | 0.03 |
| 0.75 | 222 | -0.1747 | 0.1935 | 0.0302 |
| 0.75 | 234 | 0.0553 | 0.1592 | 0.03 |
| 0.75 | 246 | 0.1915 | 0.1649 | 0.0302 |
| 0.75 | 258 | -0.1704 | 0.213 | 0.0302 |
| 0.85 | 114 | 0.2326 | 0.2009 | 0.0304 |
| 0.85 | 126 | 0.0296 | 0.1986 | 0.03 |
| 0.85 | 138 | 0.102 | 0.2785 | 0.0301 |
| 0.85 | 150 | -0.4023 | 0.2468 | 0.0311 |
| 0.85 | 210 | -0.0721 | 0.2354 | 0.03 |
| 0.85 | 222 | -0.0873 | 0.178 | 0.0301 |
| 0.85 | 234 | -0.1743 | 0.1649 | 0.0302 |
| 0.85 | 246 | -0.1138 | 0.1713 | 0.0301 |
| 0.85 | 258 | 0.0335 | 0.1926 | 0.03 |
| 0.95 | 138 | -0.0123 | 0.2491 | 0.03 |
| 0.95 | 222 | -0.529 | 0.2594 | 0.0318 |
| 0.95 | 234 | 0.4195 | 0.2291 | 0.0312 |
| 0.95 | 246 | -0.2017 | 0.2303 | 0.0303 |
| 0.95 | 258 | -0.3056 | 0.2872 | 0.0306 |
| 0.35 | 54 | 0.1197 | 0.3427 | 0.0301 |
| 0.45 | 18 | 0.3146 | 0.2992 | 0.0307 |
| 0.45 | 30 | -0.2559 | 0.2778 | 0.0304 |
| 0.45 | 42 | 0.3293 | 0.2519 | 0.0307 |
| 0.55 | 18 | -0.3239 | 0.3115 | 0.0307 |
| 0.55 | 30 | 0.1879 | 0.281 | 0.0302 |
| 0.55 | 42 | -0.2321 | 0.2595 | 0.0304 |
| 0.55 | 126 | -0.2495 | 0.3493 | 0.0304 |
| 0.55 | 138 | -0.2048 | 0.381 | 0.0303 |
| 0.55 | 150 | -0.6269 | 0.2289 | 0.0325 |
| 0.55 | 222 | -0.0071 | 0.2912 | 0.03 |
| 0.55 | 234 | -0.3795 | 0.2366 | 0.0309 |
| 0.55 | 246 | 0.8842 | 0.1156 | 0.0348 |
| 0.55 | 258 | -0.8069 | 0.1598 | 0.0341 |
| 0.65 | 126 | 0.3698 | 0.3265 | 0.0309 |
| 0.65 | 138 | -0.1732 | 0.2807 | 0.0302 |
| 0.65 | 150 | -0.0166 | 0.2743 | 0.03 |
| 0.65 | 162 | -0.5778 | 0.2516 | 0.0321 |
| 0.65 | 198 | -0.1801 | 0.3548 | 0.0302 |
| 0.65 | 210 | -0.4405 | 0.2275 | 0.0313 |
| 0.65 | 222 | 0.3124 | 0.2309 | 0.0306 |
| 0.65 | 234 | -0.3521 | 0.1996 | 0.0308 |
| 0.65 | 246 | -0.0039 | 0.2465 | 0.03 |
| 0.65 | 258 | -0.5122 | 0.2562 | 0.0317 |
| 0.75 | 126 | 0.7542 | 0.1683 | 0.0336 |
| 0.75 | 138 | 0.0724 | 0.3325 | 0.03 |
| 0.75 | 150 | -0.3926 | 0.2705 | 0.031 |
| 0.75 | 174 | 0.8834 | 0.1486 | 0.0348 |
| 0.75 | 210 | -0.2169 | 0.274 | 0.0303 |
| 0.75 | 222 | 0.1644 | 0.2831 | 0.0302 |
| 0.75 | 234 | -0.0399 | 0.2919 | 0.03 |
| 0.75 | 246 | 0.446 | 0.1939 | 0.0313 |
| 0.75 | 258 | -0.2541 | 0.2938 | 0.0304 |
| 0.85 | 114 | -0.2816 | 0.3079 | 0.0305 |
| 0.85 | 126 | 0.3843 | 0.3152 | 0.031 |
| 0.85 | 138 | -0.1225 | 0.3702 | 0.0301 |
| 0.85 | 210 | 0.3788 | 0.2794 | 0.0309 |
| 0.85 | 222 | -0.4187 | 0.2621 | 0.0311 |
| 0.85 | 234 | 0.0415 | 0.2024 | 0.03 |
| 0.85 | 246 | 0.047 | 0.2349 | 0.03 |
| 0.85 | 258 | -0.0053 | 0.2766 | 0.03 |
| 0.95 | 126 | -0.38 | 0.3743 | 0.0309 |
| 0.95 | 234 | 0.4047 | 0.3583 | 0.0311 |
| 0.95 | 246 | 0.0138 | 0.3358 | 0.03 |
| 0.95 | 258 | 0.02 | 0.3943 | 0.03 |