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 = 0.8626
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 : | 1.26 — 1.3 GeV |
| xb : | 0 |
| ε : | 0.8626 |
|
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 | 0.02534 | 0.03802 |
| -0.125 | 67.5 | 0.17955 | 0.0412 |
| -0.125 | 112.5 | 0.06811 | 0.03911 |
| -0.125 | 157.5 | -0.16978 | 0.08065 |
| -0.125 | 247.5 | -0.08391 | 0.03904 |
| -0.125 | 292.5 | -0.06758 | 0.04168 |
| -0.125 | 337.5 | -0.05345 | 0.03898 |
| 0.125 | 22.5 | 0.09739 | 0.02997 |
| 0.125 | 67.5 | -0.05756 | 0.03706 |
| 0.125 | 112.5 | 0.11737 | 0.04288 |
| 0.125 | 157.5 | -0.16472 | 0.08366 |
| 0.125 | 247.5 | -0.06942 | 0.04341 |
| 0.125 | 292.5 | 0.02242 | 0.03778 |
| 0.125 | 337.5 | -0.0548 | 0.02992 |
| -0.375 | 22.5 | 0.06946 | 0.05731 |
| -0.375 | 67.5 | -0.09198 | 0.05345 |
| -0.375 | 112.5 | 0.03411 | 0.04548 |
| -0.375 | 247.5 | 0.05913 | 0.0467 |
| -0.375 | 292.5 | -0.10754 | 0.0542 |
| -0.375 | 337.5 | -0.09224 | 0.05427 |
| 0.375 | 22.5 | 0.01226 | 0.02575 |
| 0.375 | 67.5 | -0.0244 | 0.03528 |
| 0.375 | 112.5 | -0.11383 | 0.04656 |
| 0.375 | 157.5 | -0.04009 | 0.05926 |
| 0.375 | 202.5 | 0.0494 | 0.05448 |
| 0.375 | 247.5 | -0.01199 | 0.04747 |
| 0.375 | 292.5 | 0.00522 | 0.03474 |
| 0.375 | 337.5 | 0.02802 | 0.02522 |
| -0.625 | 22.5 | -0.06581 | 0.07435 |
| -0.625 | 67.5 | -0.05963 | 0.06442 |
| -0.625 | 112.5 | -0.15714 | 0.06746 |
| -0.625 | 157.5 | 1.42857 | 0 |
| -0.625 | 247.5 | 0.30698 | 0.06395 |
| -0.625 | 292.5 | 0.09407 | 0.06504 |
| -0.625 | 337.5 | 0.36222 | 0.06971 |
| 0.625 | 22.5 | 0.02671 | 0.02363 |
| 0.625 | 67.5 | -0.01924 | 0.03077 |
| 0.625 | 112.5 | 0.08866 | 0.0385 |
| 0.625 | 157.5 | 0.00848 | 0.0378 |
| 0.625 | 202.5 | 0.01551 | 0.03371 |
| 0.625 | 247.5 | 0.11355 | 0.03708 |
| 0.625 | 292.5 | 0.08185 | 0.03069 |
| 0.625 | 337.5 | 0.07333 | 0.02384 |
| -0.875 | 22.5 | -0.09857 | 0.23897 |
| -0.875 | 67.5 | 0.33892 | 0.18524 |
| -0.875 | 112.5 | -0.50602 | 0.41395 |
| -0.875 | 157.5 | 0.83009 | 0.13431 |
| -0.875 | 202.5 | 0.94463 | 0.12755 |
| -0.875 | 247.5 | -0.78683 | 0.26244 |
| -0.875 | 292.5 | 0.12081 | 0.17474 |
| -0.875 | 337.5 | -0.20276 | 0.22408 |
| 0.875 | 22.5 | 0.07648 | 0.02463 |
| 0.875 | 67.5 | -0.00684 | 0.02606 |
| 0.875 | 112.5 | 0.0317 | 0.02781 |
| 0.875 | 157.5 | 0.03957 | 0.02728 |
| 0.875 | 202.5 | 0.01978 | 0.02671 |
| 0.875 | 247.5 | -0.00952 | 0.02735 |
| 0.875 | 292.5 | -0.01008 | 0.02526 |
| 0.875 | 337.5 | -0.09551 | 0.02518 |