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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 : | 0.0171 GeV2 | |
|---|---|---|
| W : | 1355 GeV | |
| ε : | 0.8844 | |
| Ebeam : | 1.3383 GeV | |
| εL: | 0.0564 |
|
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 | 42 | -0.403 | 0.2576 | 0.0311 |
| 0.45 | 30 | -0.2163 | 0.2477 | 0.0303 |
| 0.55 | 30 | 0.3515 | 0.2664 | 0.0308 |
| 0.55 | 42 | 0.2459 | 0.2537 | 0.0304 |
| 0.55 | 222 | 0.2386 | 0.2292 | 0.0304 |
| 0.55 | 234 | -0.4035 | 0.2221 | 0.0311 |
| 0.55 | 246 | -0.2104 | 0.2098 | 0.0303 |
| 0.55 | 258 | 0.3322 | 0.2073 | 0.0307 |
| 0.65 | 126 | 0.133 | 0.2257 | 0.0301 |
| 0.65 | 138 | -0.1195 | 0.1962 | 0.0301 |
| 0.65 | 150 | -0.1636 | 0.2535 | 0.0302 |
| 0.65 | 162 | 0.2444 | 0.2271 | 0.0304 |
| 0.65 | 210 | 0.2045 | 0.2518 | 0.0303 |
| 0.65 | 222 | 0.3738 | 0.1589 | 0.0309 |
| 0.65 | 234 | 0.2378 | 0.1709 | 0.0304 |
| 0.65 | 246 | 0.0277 | 0.1664 | 0.03 |
| 0.65 | 258 | -0.007 | 0.2074 | 0.03 |
| 0.75 | 126 | 0.0719 | 0.2373 | 0.03 |
| 0.75 | 138 | 0.147 | 0.185 | 0.0301 |
| 0.75 | 150 | -0.0865 | 0.2273 | 0.03 |
| 0.75 | 162 | -0.1934 | 0.2208 | 0.0302 |
| 0.75 | 198 | -0.0318 | 0.2681 | 0.03 |
| 0.75 | 210 | -0.3272 | 0.2365 | 0.0307 |
| 0.75 | 222 | -0.0508 | 0.1846 | 0.03 |
| 0.75 | 234 | -0.0606 | 0.165 | 0.03 |
| 0.75 | 246 | -0.261 | 0.1545 | 0.0305 |
| 0.75 | 258 | -0.2172 | 0.1883 | 0.0303 |
| 0.85 | 114 | 0.3103 | 0.2564 | 0.0306 |
| 0.85 | 162 | -0.054 | 0.2784 | 0.03 |
| 0.85 | 210 | -0.0093 | 0.2495 | 0.03 |
| 0.85 | 222 | -0.3292 | 0.1906 | 0.0307 |
| 0.85 | 234 | -0.1945 | 0.179 | 0.0303 |
| 0.85 | 246 | 0.0498 | 0.2038 | 0.03 |
| 0.85 | 258 | -0.0598 | 0.1945 | 0.03 |
| 0.25 | 42 | 0.2471 | 0.4311 | 0.0304 |
| 0.35 | 42 | -0.7057 | 0.1735 | 0.0332 |
| 0.45 | 30 | -0.861 | 0.1407 | 0.0346 |
| 0.45 | 42 | -0.1832 | 0.3702 | 0.0302 |
| 0.55 | 30 | -0.6088 | 0.2697 | 0.0324 |
| 0.55 | 126 | -0.3479 | 0.3792 | 0.0308 |
| 0.55 | 138 | 0.5163 | 0.3211 | 0.0317 |
| 0.55 | 222 | 0.0014 | 0.3361 | 0.03 |
| 0.55 | 234 | -0.7837 | 0.186 | 0.0338 |
| 0.55 | 246 | -0.1298 | 0.2968 | 0.0301 |
| 0.65 | 126 | 0.1902 | 0.3476 | 0.0302 |
| 0.65 | 138 | -0.4919 | 0.2824 | 0.0316 |
| 0.65 | 150 | 0.5899 | 0.1912 | 0.0322 |
| 0.65 | 162 | 0.5359 | 0.2617 | 0.0319 |
| 0.65 | 222 | -0.4993 | 0.2101 | 0.0316 |
| 0.65 | 234 | -0.0908 | 0.2403 | 0.0301 |
| 0.65 | 246 | 0.0595 | 0.2482 | 0.03 |
| 0.65 | 258 | -0.309 | 0.2589 | 0.0306 |
| 0.75 | 126 | 0.0714 | 0.3613 | 0.03 |
| 0.75 | 138 | 0.0768 | 0.3397 | 0.03 |
| 0.75 | 150 | 0.0502 | 0.294 | 0.03 |
| 0.75 | 162 | 0.2425 | 0.3356 | 0.0304 |
| 0.75 | 210 | 0.0129 | 0.3597 | 0.03 |
| 0.75 | 222 | -0.043 | 0.2927 | 0.03 |
| 0.75 | 234 | -0.4903 | 0.2083 | 0.0316 |
| 0.75 | 246 | 0.0542 | 0.239 | 0.03 |
| 0.75 | 258 | -0.3004 | 0.2971 | 0.0306 |
| 0.85 | 162 | -0.9654 | 0.1371 | 0.0357 |
| 0.85 | 210 | -0.3367 | 0.3266 | 0.0307 |
| 0.85 | 222 | 0.1526 | 0.2515 | 0.0302 |
| 0.85 | 234 | -0.0802 | 0.26 | 0.03 |
| 0.85 | 246 | -0.3787 | 0.2121 | 0.0309 |
| 0.85 | 258 | -0.2273 | 0.2882 | 0.0303 |
| 0.85 | 270 | -0.1536 | 0.4507 | 0.0302 |
| 0.95 | 222 | -0.08 | 0.3618 | 0.03 |
| 0.95 | 234 | -0.1616 | 0.3732 | 0.0302 |
| 0.95 | 246 | 0.2682 | 0.4002 | 0.0305 |