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 = 0.9216
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 : | 1.87 — 2.23 GeV2 |
|---|---|
| W : | 1.22 — 1.26 GeV |
| xb : | 0 |
| ε : | 0.9216 |
|
Select data slice:
cos(θπ) = Fit φ dependence: |
Observable quantity measured (Y axis): ALU,
Parameter (X axis): φπ, |
Click here to get data in text file, delimited with tabs.
Click here to get calculated fit coefficients in text file, delimited with tabs.
Measured data:
| cos(θπ) | φπ | ALU | Data errors |
|---|---|---|---|
| -0.125 | 22.5 | 0.01456 | 0.03309 |
| -0.125 | 67.5 | 0.03966 | 0.03159 |
| -0.125 | 112.5 | 0.01454 | 0.02373 |
| -0.125 | 157.5 | 0.08852 | 0.05478 |
| -0.125 | 202.5 | -0.01894 | 0.05767 |
| -0.125 | 247.5 | -0.01096 | 0.0234 |
| -0.125 | 292.5 | -0.00036 | 0.03078 |
| -0.125 | 337.5 | -0.0256 | 0.03422 |
| 0.125 | 22.5 | 0.05904 | 0.02682 |
| 0.125 | 67.5 | 0.00188 | 0.02719 |
| 0.125 | 112.5 | 0.00622 | 0.02514 |
| 0.125 | 157.5 | -0.06024 | 0.06584 |
| 0.125 | 202.5 | -0.04665 | 0.07007 |
| 0.125 | 247.5 | -0.01139 | 0.02466 |
| 0.125 | 292.5 | -0.01286 | 0.02685 |
| 0.125 | 337.5 | -0.02302 | 0.02626 |
| -0.375 | 22.5 | 0.02953 | 0.0409 |
| -0.375 | 67.5 | 0.01567 | 0.03627 |
| -0.375 | 112.5 | 0.04961 | 0.02763 |
| -0.375 | 157.5 | 0.02289 | 0.11425 |
| -0.375 | 202.5 | -0.00359 | 0.09997 |
| -0.375 | 247.5 | -0.01894 | 0.02726 |
| -0.375 | 292.5 | -0.08047 | 0.03504 |
| -0.375 | 337.5 | -0.05161 | 0.04072 |
| 0.375 | 22.5 | 0.02181 | 0.02289 |
| 0.375 | 67.5 | 0.02481 | 0.02483 |
| 0.375 | 112.5 | 0.03587 | 0.03143 |
| 0.375 | 157.5 | -0.02459 | 0.05647 |
| 0.375 | 202.5 | -0.01491 | 0.05066 |
| 0.375 | 247.5 | 0.01037 | 0.02994 |
| 0.375 | 292.5 | -0.02017 | 0.02442 |
| 0.375 | 337.5 | -0.00039 | 0.02218 |
| -0.625 | 22.5 | 0.06069 | 0.06216 |
| -0.625 | 67.5 | 0.1887 | 0.045 |
| -0.625 | 112.5 | 0.01626 | 0.0457 |
| -0.625 | 157.5 | 1.42857 | 0 |
| -0.625 | 202.5 | 0.20408 | 0.3248 |
| -0.625 | 247.5 | -0.01329 | 0.04718 |
| -0.625 | 292.5 | 0.05841 | 0.03982 |
| -0.625 | 337.5 | -0.08231 | 0.06847 |
| 0.625 | 22.5 | 0.02496 | 0.01965 |
| 0.625 | 67.5 | 0.03057 | 0.02093 |
| 0.625 | 112.5 | 0.03063 | 0.02829 |
| 0.625 | 157.5 | 0.03445 | 0.03048 |
| 0.625 | 202.5 | -0.0447 | 0.03165 |
| 0.625 | 247.5 | -0.00155 | 0.02666 |
| 0.625 | 292.5 | -0.02646 | 0.02106 |
| 0.625 | 337.5 | -0.00813 | 0.01971 |
| -0.875 | 22.5 | 0.86564 | 0.32692 |
| -0.875 | 67.5 | 0.38525 | 0.26516 |
| -0.875 | 112.5 | 1.42857 | 0 |
| -0.875 | 247.5 | 0.48924 | 0.35175 |
| -0.875 | 292.5 | 0.85292 | 0.18931 |
| -0.875 | 337.5 | -0.48162 | 0.49744 |
| 0.875 | 22.5 | -0.00753 | 0.01855 |
| 0.875 | 67.5 | 0.00389 | 0.01845 |
| 0.875 | 112.5 | 0.03678 | 0.02182 |
| 0.875 | 157.5 | -0.00227 | 0.02321 |
| 0.875 | 202.5 | -0.0145 | 0.0223 |
| 0.875 | 247.5 | -0.03068 | 0.02173 |
| 0.875 | 292.5 | -0.0487 | 0.01856 |
| 0.875 | 337.5 | 0.0014 | 0.01807 |