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 = 0.8672
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 : | 2.23 — 2.66 GeV2 |
|---|---|
| W : | 1.46 — 1.5 GeV |
| xb : | 0 |
| ε : | 0.8672 |
|
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 | -0.03233 | 0.02394 |
| -0.125 | 67.5 | -0.02754 | 0.02173 |
| -0.125 | 112.5 | -0.01621 | 0.02089 |
| -0.125 | 157.5 | -0.03305 | 0.07505 |
| -0.125 | 202.5 | -0.00077 | 0.06704 |
| -0.125 | 247.5 | -0.01109 | 0.02177 |
| -0.125 | 292.5 | 0.01113 | 0.02133 |
| -0.125 | 337.5 | -0.04615 | 0.02365 |
| 0.125 | 22.5 | -0.00474 | 0.01952 |
| 0.125 | 67.5 | 0.01554 | 0.02085 |
| 0.125 | 112.5 | -0.0247 | 0.0193 |
| 0.125 | 157.5 | -0.07462 | 0.03652 |
| 0.125 | 202.5 | -0.08862 | 0.03549 |
| 0.125 | 247.5 | 0.00391 | 0.01992 |
| 0.125 | 292.5 | -0.00642 | 0.02105 |
| 0.125 | 337.5 | 0.01255 | 0.01976 |
| -0.375 | 22.5 | 0.01954 | 0.02839 |
| -0.375 | 67.5 | -0.08561 | 0.02568 |
| -0.375 | 112.5 | -0.01474 | 0.02714 |
| -0.375 | 157.5 | 0.07552 | 0.05604 |
| -0.375 | 202.5 | 0.06179 | 0.05084 |
| -0.375 | 247.5 | -0.00513 | 0.02632 |
| -0.375 | 292.5 | -0.06521 | 0.02549 |
| -0.375 | 337.5 | -0.03272 | 0.02813 |
| 0.375 | 22.5 | -0.02956 | 0.01954 |
| 0.375 | 67.5 | -0.01461 | 0.02262 |
| 0.375 | 112.5 | -0.01266 | 0.0225 |
| 0.375 | 157.5 | 0.05866 | 0.04512 |
| 0.375 | 202.5 | 0.01437 | 0.04241 |
| 0.375 | 247.5 | 0.00634 | 0.02386 |
| 0.375 | 292.5 | 0.0695 | 0.0242 |
| 0.375 | 337.5 | -0.01606 | 0.0194 |
| -0.625 | 22.5 | -0.00673 | 0.0321 |
| -0.625 | 67.5 | 0.02163 | 0.02849 |
| -0.625 | 112.5 | 0.00423 | 0.03907 |
| -0.625 | 157.5 | 0.09451 | 0.0537 |
| -0.625 | 202.5 | -0.17946 | 0.05305 |
| -0.625 | 247.5 | -0.10143 | 0.0394 |
| -0.625 | 292.5 | 0.07745 | 0.03088 |
| -0.625 | 337.5 | 0.05965 | 0.03301 |
| 0.625 | 22.5 | -0.04791 | 0.02365 |
| 0.625 | 67.5 | 0.06493 | 0.02815 |
| 0.625 | 112.5 | -0.03593 | 0.03213 |
| 0.625 | 157.5 | 0.01834 | 0.03415 |
| 0.625 | 202.5 | -0.0421 | 0.03569 |
| 0.625 | 247.5 | -0.07201 | 0.03215 |
| 0.625 | 292.5 | 0.01118 | 0.02754 |
| 0.625 | 337.5 | -0.02057 | 0.02309 |
| -0.875 | 22.5 | 0.0999 | 0.08921 |
| -0.875 | 67.5 | 0.10773 | 0.06192 |
| -0.875 | 112.5 | -0.23926 | 0.08964 |
| -0.875 | 247.5 | -0.14742 | 0.07957 |
| -0.875 | 292.5 | -0.08433 | 0.06601 |
| -0.875 | 337.5 | -0.02176 | 0.08215 |
| 0.875 | 22.5 | 0.04286 | 0.02694 |
| 0.875 | 67.5 | -0.00076 | 0.02659 |
| 0.875 | 112.5 | -0.03973 | 0.02627 |
| 0.875 | 157.5 | 0.00067 | 0.02411 |
| 0.875 | 202.5 | 0.07389 | 0.0243 |
| 0.875 | 247.5 | -0.01602 | 0.02591 |
| 0.875 | 292.5 | 0.01584 | 0.02559 |
| 0.875 | 337.5 | -0.03613 | 0.02662 |