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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 : | 0.0348 GeV2 | |
|---|---|---|
| W : | 1535 GeV | |
| ε : | 0.873 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0469 |
|
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 | -0.1706 | 0.2716 | 0.0302 |
| 0.25 | 78 | -0.2186 | 0.2809 | 0.0303 |
| 0.25 | 294 | 0.159 | 0.2532 | 0.0302 |
| 0.35 | 54 | 0.3444 | 0.227 | 0.0308 |
| 0.35 | 66 | -0.2062 | 0.1934 | 0.0303 |
| 0.35 | 78 | 0.169 | 0.2092 | 0.0302 |
| 0.35 | 258 | 0.0601 | 0.2584 | 0.03 |
| 0.35 | 270 | 0.1424 | 0.1968 | 0.0301 |
| 0.35 | 282 | -0.2658 | 0.1788 | 0.0305 |
| 0.35 | 294 | 0.2014 | 0.2195 | 0.0303 |
| 0.45 | 18 | -0.4281 | 0.2204 | 0.0312 |
| 0.45 | 66 | 0.1898 | 0.2006 | 0.0302 |
| 0.45 | 78 | -0.0314 | 0.1644 | 0.03 |
| 0.45 | 90 | 0.0276 | 0.2245 | 0.03 |
| 0.45 | 114 | -0.0404 | 0.228 | 0.03 |
| 0.45 | 222 | -0.07 | 0.2358 | 0.03 |
| 0.45 | 258 | 0.1967 | 0.2068 | 0.0303 |
| 0.45 | 270 | -0.4335 | 0.1723 | 0.0312 |
| 0.45 | 282 | -0.2245 | 0.1729 | 0.0303 |
| 0.45 | 294 | 0.2641 | 0.2282 | 0.0305 |
| 0.45 | 318 | 0.3088 | 0.2571 | 0.0306 |
| 0.55 | 78 | -0.0946 | 0.2162 | 0.0301 |
| 0.55 | 90 | 0.3172 | 0.1789 | 0.0307 |
| 0.55 | 102 | -0.4071 | 0.1917 | 0.0311 |
| 0.55 | 114 | 0.0695 | 0.2086 | 0.03 |
| 0.55 | 126 | 0.4097 | 0.2142 | 0.0311 |
| 0.55 | 138 | -0.2752 | 0.2026 | 0.0305 |
| 0.55 | 150 | -0.0203 | 0.2593 | 0.03 |
| 0.55 | 198 | 0.2257 | 0.2455 | 0.0303 |
| 0.55 | 210 | -0.0276 | 0.228 | 0.03 |
| 0.55 | 222 | 0.1027 | 0.191 | 0.0301 |
| 0.55 | 234 | -0.3036 | 0.2227 | 0.0306 |
| 0.55 | 246 | 0.6593 | 0.2236 | 0.0328 |
| 0.55 | 258 | -0.2976 | 0.1916 | 0.0306 |
| 0.55 | 270 | 0.1757 | 0.1562 | 0.0302 |
| 0.55 | 282 | 0.0575 | 0.1733 | 0.03 |
| 0.55 | 294 | 0.245 | 0.2555 | 0.0304 |
| 0.65 | 66 | -0.4854 | 0.23 | 0.0315 |
| 0.65 | 78 | -0.1632 | 0.2351 | 0.0302 |
| 0.65 | 102 | 0.4455 | 0.2175 | 0.0313 |
| 0.65 | 114 | 0.0465 | 0.2014 | 0.03 |
| 0.65 | 126 | -0.155 | 0.1721 | 0.0302 |
| 0.65 | 138 | -0.2686 | 0.196 | 0.0305 |
| 0.65 | 150 | -0.0892 | 0.2346 | 0.0301 |
| 0.65 | 186 | -0.2466 | 0.2651 | 0.0304 |
| 0.65 | 198 | -0.1194 | 0.2307 | 0.0301 |
| 0.65 | 210 | -0.0542 | 0.1963 | 0.03 |
| 0.65 | 222 | -0.0226 | 0.177 | 0.03 |
| 0.65 | 234 | 0.2718 | 0.2062 | 0.0305 |
| 0.65 | 246 | -0.2344 | 0.234 | 0.0304 |
| 0.65 | 258 | -0.0911 | 0.2384 | 0.0301 |
| 0.65 | 270 | 0.1199 | 0.2201 | 0.0301 |
| 0.65 | 282 | -0.0667 | 0.1981 | 0.03 |
| 0.65 | 294 | 0.1997 | 0.2583 | 0.0303 |
| 0.75 | 66 | 0.0059 | 0.1943 | 0.03 |
| 0.75 | 78 | 0.2858 | 0.1988 | 0.0305 |
| 0.75 | 114 | 0.2225 | 0.2646 | 0.0303 |
| 0.75 | 126 | 0.3507 | 0.1813 | 0.0308 |
| 0.75 | 138 | 0.0031 | 0.2183 | 0.03 |
| 0.75 | 150 | 0.4523 | 0.2311 | 0.0313 |
| 0.75 | 198 | -0.022 | 0.2558 | 0.03 |
| 0.75 | 210 | 0.1956 | 0.2235 | 0.0303 |
| 0.75 | 222 | 0.0611 | 0.2023 | 0.03 |
| 0.75 | 234 | 0.1209 | 0.1945 | 0.0301 |
| 0.75 | 246 | 0.1303 | 0.1863 | 0.0301 |
| 0.75 | 270 | -0.1367 | 0.1981 | 0.0301 |
| 0.75 | 282 | -0.0989 | 0.1742 | 0.0301 |
| 0.75 | 294 | 0.1486 | 0.2258 | 0.0301 |
| 0.85 | 102 | -0.0893 | 0.2065 | 0.0301 |
| 0.85 | 114 | -0.1783 | 0.1699 | 0.0302 |
| 0.85 | 126 | 0.0366 | 0.2225 | 0.03 |
| 0.85 | 138 | 0.3602 | 0.2515 | 0.0309 |
| 0.85 | 198 | 0.255 | 0.1796 | 0.0304 |
| 0.85 | 210 | -0.3043 | 0.1995 | 0.0306 |
| 0.85 | 222 | -0.2368 | 0.1647 | 0.0304 |
| 0.85 | 234 | 0.1199 | 0.1755 | 0.0301 |
| 0.85 | 246 | -0.0188 | 0.2413 | 0.03 |
| 0.85 | 258 | -0.1459 | 0.301 | 0.0301 |
| 0.85 | 270 | -0.0562 | 0.2469 | 0.03 |
| 0.95 | 210 | 0.2063 | 0.272 | 0.0303 |