cos(θπ) =
Fit φ dependence:
Parameter (X axis): φπ,
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Experiment: E99-107 CLAS experiment, 2005
Spokespersons: V. D. Burkert, R. Minehart
Experiment comment: asymmetry
Measurement comment: Epsilon for this measurement is ε = 0.8508
No publications available for this experiment
Quantity measured: ALU,
Beam asymmetry.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: π+n, polarization: none
| Q2 : | 2.66 — 3.17 GeV2 |
|---|---|
| W : | 1.34 — 1.38 GeV |
| xb : | 0 |
| ε : | 0.8508 |
|
Select data slice:
cos(θπ) = Fit φ dependence: |
Observable quantity measured (Y axis): ALU,
Parameter (X axis): φπ, |
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Measured data:
| cos(θπ) | φπ | ALU | Data errors |
|---|---|---|---|
| -0.125 | 22.5 | 0.00564 | 0.03741 |
| -0.125 | 67.5 | -0.03037 | 0.04419 |
| -0.125 | 112.5 | 0.0544 | 0.04597 |
| -0.125 | 202.5 | 0.24554 | 0.09608 |
| -0.125 | 247.5 | -0.01544 | 0.04583 |
| -0.125 | 292.5 | -0.04607 | 0.0424 |
| -0.125 | 337.5 | 0.03611 | 0.03981 |
| 0.125 | 22.5 | 0.01838 | 0.02894 |
| 0.125 | 67.5 | 0.02612 | 0.03885 |
| 0.125 | 112.5 | -0.10285 | 0.0424 |
| 0.125 | 157.5 | 0.10107 | 0.07773 |
| 0.125 | 202.5 | 0.10707 | 0.08356 |
| 0.125 | 247.5 | 0.14301 | 0.0421 |
| 0.125 | 292.5 | 0.08763 | 0.04065 |
| 0.125 | 337.5 | -0.00269 | 0.02998 |
| -0.375 | 22.5 | -0.09997 | 0.05041 |
| -0.375 | 67.5 | -0.17775 | 0.05565 |
| -0.375 | 112.5 | -0.15873 | 0.05309 |
| -0.375 | 247.5 | 0.08446 | 0.05149 |
| -0.375 | 292.5 | -0.01991 | 0.05358 |
| -0.375 | 337.5 | -0.02995 | 0.05121 |
| 0.375 | 22.5 | -0.06233 | 0.02695 |
| 0.375 | 67.5 | 0.02016 | 0.03886 |
| 0.375 | 112.5 | 0.14576 | 0.04879 |
| 0.375 | 157.5 | -0.10174 | 0.07733 |
| 0.375 | 202.5 | -0.02266 | 0.07234 |
| 0.375 | 247.5 | 0.07298 | 0.05002 |
| 0.375 | 292.5 | 0.11245 | 0.03807 |
| 0.375 | 337.5 | 0.01315 | 0.02718 |
| -0.625 | 22.5 | 0.09845 | 0.07049 |
| -0.625 | 67.5 | 0.05275 | 0.07045 |
| -0.625 | 112.5 | -0.17216 | 0.0852 |
| -0.625 | 247.5 | -0.07346 | 0.08479 |
| -0.625 | 292.5 | 0.11148 | 0.0724 |
| -0.625 | 337.5 | 0.00105 | 0.06871 |
| 0.625 | 22.5 | 0.02862 | 0.02686 |
| 0.625 | 67.5 | -0.02008 | 0.03664 |
| 0.625 | 112.5 | 0.03975 | 0.04784 |
| 0.625 | 157.5 | 0.00555 | 0.04589 |
| 0.625 | 202.5 | -0.02046 | 0.04515 |
| 0.625 | 247.5 | 0.01637 | 0.04571 |
| 0.625 | 292.5 | -0.03796 | 0.03662 |
| 0.625 | 337.5 | -0.00889 | 0.02671 |
| -0.875 | 22.5 | -0.31767 | 0.14534 |
| -0.875 | 67.5 | -0.21974 | 0.15138 |
| -0.875 | 112.5 | -0.08745 | 0.19411 |
| -0.875 | 157.5 | 0.42499 | 0.38302 |
| -0.875 | 202.5 | 0.77113 | 0.32723 |
| -0.875 | 247.5 | 0.13331 | 0.19012 |
| -0.875 | 292.5 | -0.07775 | 0.15135 |
| -0.875 | 337.5 | -0.26052 | 0.146 |
| 0.875 | 22.5 | -0.0207 | 0.03098 |
| 0.875 | 67.5 | -0.07923 | 0.03236 |
| 0.875 | 112.5 | -0.1118 | 0.03657 |
| 0.875 | 157.5 | -0.02067 | 0.0371 |
| 0.875 | 202.5 | -0.00275 | 0.03604 |
| 0.875 | 247.5 | -0.01846 | 0.03477 |
| 0.875 | 292.5 | -0.01144 | 0.03267 |
| 0.875 | 337.5 | -0.01885 | 0.03081 |