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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 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1565 GeV | |
| ε : | 0.8819 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.0817 |
|
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 |
|---|---|---|---|---|
| 0.35 | 30 | -0.0898 | 0.2571 | 0.0301 |
| 0.35 | 66 | -0.0481 | 0.256 | 0.03 |
| 0.35 | 78 | 0.1897 | 0.2363 | 0.0302 |
| 0.35 | 270 | 0.1919 | 0.1711 | 0.0304 |
| 0.35 | 282 | -0.0984 | 0.1738 | 0.0303 |
| 0.45 | 78 | 0.0557 | 0.2431 | 0.03 |
| 0.45 | 270 | 0.0396 | 0.2085 | 0.03 |
| 0.45 | 282 | -0.4153 | 0.2038 | 0.0311 |
| 0.55 | 102 | 0.2327 | 0.2541 | 0.0304 |
| 0.55 | 114 | 0.1709 | 0.2383 | 0.0302 |
| 0.55 | 138 | -0.2264 | 0.2623 | 0.0303 |
| 0.55 | 198 | 0.0566 | 0.2413 | 0.03 |
| 0.55 | 222 | 0.2713 | 0.2344 | 0.0305 |
| 0.55 | 246 | 0.0748 | 0.2627 | 0.03 |
| 0.55 | 270 | 0.0043 | 0.1991 | 0.03 |
| 0.55 | 282 | 0.3798 | 0.198 | 0.0309 |
| 0.65 | 66 | 0.3778 | 0.2327 | 0.0309 |
| 0.65 | 102 | 0.5744 | 0.2168 | 0.0321 |
| 0.65 | 114 | -0.1352 | 0.2001 | 0.0301 |
| 0.65 | 126 | -0.0911 | 0.2129 | 0.0301 |
| 0.65 | 198 | -0.0319 | 0.2521 | 0.03 |
| 0.65 | 210 | -0.2267 | 0.2361 | 0.0303 |
| 0.65 | 222 | 0.5066 | 0.1786 | 0.0317 |
| 0.65 | 234 | 0.2947 | 0.2383 | 0.0306 |
| 0.65 | 246 | 0.0486 | 0.225 | 0.03 |
| 0.65 | 258 | -0.2552 | 0.2359 | 0.0304 |
| 0.65 | 294 | 0.0366 | 0.2094 | 0.03 |
| 0.75 | 114 | -0.3271 | 0.2192 | 0.0307 |
| 0.75 | 126 | 0.0014 | 0.2245 | 0.03 |
| 0.75 | 138 | -0.0916 | 0.1959 | 0.0301 |
| 0.75 | 198 | -0.2236 | 0.2211 | 0.0303 |
| 0.75 | 210 | 0.024 | 0.2584 | 0.03 |
| 0.75 | 222 | -0.0853 | 0.2071 | 0.03 |
| 0.75 | 234 | 0.1021 | 0.2327 | 0.0301 |
| 0.75 | 282 | 0.1958 | 0.2044 | 0.0303 |
| 0.75 | 294 | -0.393 | 0.207 | 0.031 |
| 0.85 | 90 | -0.2841 | 0.2559 | 0.0305 |
| 0.85 | 102 | -0.2301 | 0.2344 | 0.0304 |
| 0.85 | 114 | -0.0954 | 0.2305 | 0.0301 |
| 0.85 | 126 | -0.1733 | 0.264 | 0.0302 |
| 0.85 | 210 | -0.0983 | 0.2142 | 0.0301 |
| 0.85 | 222 | -0.1428 | 0.192 | 0.0301 |
| 0.85 | 234 | 0.1255 | 0.1844 | 0.0301 |
| 0.85 | 246 | -0.3662 | 0.2483 | 0.0309 |
| 0.85 | 258 | -0.0513 | 0.2561 | 0.03 |
| 0.95 | 210 | -0.2265 | 0.2479 | 0.0303 |
| 0.95 | 234 | -0.4373 | 0.2201 | 0.0312 |
| 0.95 | 258 | -0.1412 | 0.2548 | 0.0301 |
| 0.35 | 294 | 0.3878 | 0.2328 | 0.031 |
| 0.45 | 66 | 0.1144 | 0.2323 | 0.0301 |
| 0.45 | 78 | -0.4051 | 0.201 | 0.0311 |
| 0.45 | 270 | -0.0968 | 0.2248 | 0.0301 |
| 0.45 | 282 | 0.0632 | 0.2297 | 0.03 |
| 0.55 | 114 | -0.2784 | 0.2119 | 0.0305 |
| 0.55 | 126 | 0.0707 | 0.2352 | 0.03 |
| 0.55 | 138 | -0.4069 | 0.2041 | 0.0311 |
| 0.55 | 210 | 0.2561 | 0.2429 | 0.0304 |
| 0.55 | 222 | -0.0174 | 0.2621 | 0.03 |
| 0.55 | 258 | -0.2466 | 0.2336 | 0.0304 |
| 0.55 | 270 | -0.2716 | 0.1972 | 0.0305 |
| 0.55 | 282 | 0.1548 | 0.2268 | 0.0302 |
| 0.65 | 66 | 0.1231 | 0.2507 | 0.0301 |
| 0.65 | 102 | -0.1608 | 0.2564 | 0.0302 |
| 0.65 | 114 | -0.1131 | 0.2116 | 0.0301 |
| 0.65 | 126 | -0.3034 | 0.1812 | 0.0306 |
| 0.65 | 138 | -0.6924 | 0.1948 | 0.033 |
| 0.65 | 150 | -0.5077 | 0.2121 | 0.0317 |
| 0.65 | 222 | 0.0931 | 0.2141 | 0.0301 |
| 0.65 | 234 | -0.575 | 0.2004 | 0.0321 |
| 0.65 | 246 | -0.1536 | 0.2227 | 0.0302 |
| 0.65 | 258 | -0.2481 | 0.2327 | 0.0304 |
| 0.65 | 282 | -0.381 | 0.2214 | 0.031 |
| 0.75 | 114 | -0.0854 | 0.2106 | 0.03 |
| 0.75 | 126 | -0.0183 | 0.1732 | 0.03 |
| 0.75 | 138 | 0.0042 | 0.2145 | 0.03 |
| 0.75 | 198 | 0.1254 | 0.2472 | 0.0301 |
| 0.75 | 222 | -0.1954 | 0.2064 | 0.0303 |
| 0.75 | 234 | -0.1823 | 0.1791 | 0.0302 |
| 0.75 | 246 | -0.1965 | 0.2383 | 0.0303 |
| 0.75 | 270 | 0.3173 | 0.2146 | 0.0307 |
| 0.75 | 282 | -0.2739 | 0.2045 | 0.0305 |
| 0.75 | 294 | -0.415 | 0.2238 | 0.0311 |
| 0.85 | 102 | 0.105 | 0.2311 | 0.0301 |
| 0.85 | 114 | 0.0195 | 0.2317 | 0.03 |
| 0.85 | 198 | -0.1852 | 0.2399 | 0.0302 |
| 0.85 | 210 | -0.0217 | 0.2174 | 0.03 |
| 0.85 | 222 | -0.0767 | 0.1648 | 0.03 |
| 0.85 | 234 | -0.2127 | 0.1653 | 0.0303 |
| 0.85 | 246 | -0.0414 | 0.217 | 0.03 |
| 0.85 | 258 | 0.062 | 0.2264 | 0.03 |
| 0.95 | 210 | -0.1202 | 0.2598 | 0.0301 |
| 0.95 | 222 | 0.3261 | 0.2332 | 0.0307 |
| 0.95 | 234 | -0.1454 | 0.2556 | 0.0301 |