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 = 0.8758
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 : | 1.58 — 1.62 GeV |
| xb : | 0 |
| ε : | 0.8758 |
|
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 | 0.00796 | 0.02822 |
| -0.125 | 67.5 | 0.0501 | 0.02488 |
| -0.125 | 112.5 | 0.05368 | 0.0264 |
| -0.125 | 157.5 | 0.02898 | 0.05636 |
| -0.125 | 202.5 | 0.06837 | 0.05601 |
| -0.125 | 247.5 | -0.12572 | 0.02536 |
| -0.125 | 292.5 | -0.19132 | 0.02348 |
| -0.125 | 337.5 | -0.06289 | 0.02844 |
| 0.125 | 22.5 | 0.04604 | 0.02275 |
| 0.125 | 67.5 | 0.05648 | 0.02408 |
| 0.125 | 112.5 | 0.06473 | 0.02797 |
| 0.125 | 157.5 | 0.03171 | 0.07327 |
| 0.125 | 202.5 | -0.12696 | 0.06896 |
| 0.125 | 247.5 | -0.07766 | 0.02793 |
| 0.125 | 292.5 | -0.06606 | 0.0242 |
| 0.125 | 337.5 | 0.06213 | 0.0225 |
| -0.375 | 22.5 | 0.03048 | 0.03099 |
| -0.375 | 67.5 | 0.01888 | 0.02592 |
| -0.375 | 112.5 | 0.10746 | 0.02633 |
| -0.375 | 157.5 | 0.19707 | 0.0404 |
| -0.375 | 202.5 | -0.02483 | 0.03782 |
| -0.375 | 247.5 | -0.07541 | 0.0267 |
| -0.375 | 292.5 | -0.1138 | 0.02359 |
| -0.375 | 337.5 | -0.14778 | 0.03072 |
| 0.375 | 22.5 | 0.03095 | 0.02201 |
| 0.375 | 67.5 | -0.00392 | 0.02633 |
| 0.375 | 112.5 | 0.08517 | 0.02585 |
| 0.375 | 157.5 | -0.07354 | 0.04629 |
| 0.375 | 202.5 | -0.05041 | 0.04719 |
| 0.375 | 247.5 | -0.04623 | 0.02613 |
| 0.375 | 292.5 | -0.08717 | 0.02696 |
| 0.375 | 337.5 | -0.08272 | 0.0208 |
| -0.625 | 22.5 | -0.01447 | 0.03241 |
| -0.625 | 67.5 | 0.0001 | 0.02561 |
| -0.625 | 112.5 | 0.07445 | 0.03073 |
| -0.625 | 157.5 | 0.07761 | 0.0364 |
| -0.625 | 202.5 | -0.06186 | 0.0345 |
| -0.625 | 247.5 | -0.00777 | 0.02972 |
| -0.625 | 292.5 | -0.08503 | 0.0268 |
| -0.625 | 337.5 | 0.04632 | 0.03297 |
| 0.625 | 22.5 | 0.00877 | 0.02271 |
| 0.625 | 67.5 | 0.04906 | 0.02797 |
| 0.625 | 112.5 | 0.10637 | 0.02832 |
| 0.625 | 157.5 | 0.04416 | 0.04229 |
| 0.625 | 202.5 | 0.04631 | 0.0396 |
| 0.625 | 247.5 | 0.02773 | 0.02809 |
| 0.625 | 292.5 | -0.03748 | 0.02681 |
| 0.625 | 337.5 | -0.0024 | 0.02289 |
| -0.875 | 22.5 | 0.01863 | 0.06079 |
| -0.875 | 67.5 | -0.04448 | 0.05053 |
| -0.875 | 112.5 | 0.01417 | 0.05064 |
| -0.875 | 157.5 | -0.06686 | 0.06289 |
| -0.875 | 202.5 | -0.23503 | 0.0606 |
| -0.875 | 247.5 | -0.0148 | 0.05294 |
| -0.875 | 292.5 | -0.1364 | 0.05189 |
| -0.875 | 337.5 | -0.2016 | 0.06288 |
| 0.875 | 22.5 | -0.023 | 0.02354 |
| 0.875 | 67.5 | 0.03574 | 0.02126 |
| 0.875 | 112.5 | 0.02654 | 0.0216 |
| 0.875 | 157.5 | 0.00907 | 0.01895 |
| 0.875 | 202.5 | -0.03456 | 0.01879 |
| 0.875 | 247.5 | -0.01319 | 0.02147 |
| 0.875 | 292.5 | -0.02891 | 0.0208 |
| 0.875 | 337.5 | -0.02473 | 0.02349 |