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 = 0.8686
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 : | 1.62 — 1.66 GeV |
| xb : | 0 |
| ε : | 0.8686 |
|
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 | 0.0223 | 0.02488 |
| -0.125 | 67.5 | 0.07362 | 0.02598 |
| -0.125 | 112.5 | 0.12081 | 0.03123 |
| -0.125 | 157.5 | 0.11735 | 0.06404 |
| -0.125 | 202.5 | -0.23857 | 0.06106 |
| -0.125 | 247.5 | -0.02978 | 0.029 |
| -0.125 | 292.5 | -0.05272 | 0.02563 |
| -0.125 | 337.5 | -0.03864 | 0.02461 |
| 0.125 | 22.5 | 0.07497 | 0.02769 |
| 0.125 | 67.5 | 0.01039 | 0.03094 |
| 0.125 | 112.5 | 0.07641 | 0.03269 |
| 0.125 | 247.5 | -0.02655 | 0.03214 |
| 0.125 | 292.5 | -0.05525 | 0.03052 |
| 0.125 | 337.5 | 0.03359 | 0.0279 |
| -0.375 | 22.5 | 0.01451 | 0.03154 |
| -0.375 | 67.5 | 0.03851 | 0.02505 |
| -0.375 | 112.5 | 0.12763 | 0.02612 |
| -0.375 | 157.5 | 0.1541 | 0.03599 |
| -0.375 | 202.5 | -0.17431 | 0.03624 |
| -0.375 | 247.5 | -0.15738 | 0.02462 |
| -0.375 | 292.5 | -0.07948 | 0.02447 |
| -0.375 | 337.5 | -0.02342 | 0.03288 |
| 0.375 | 22.5 | 0.08707 | 0.02503 |
| 0.375 | 67.5 | -0.00353 | 0.03168 |
| 0.375 | 112.5 | 0.03996 | 0.02868 |
| 0.375 | 157.5 | 0.0819 | 0.07511 |
| 0.375 | 202.5 | 0.06939 | 0.07309 |
| 0.375 | 247.5 | -0.05794 | 0.02891 |
| 0.375 | 292.5 | -0.0321 | 0.03254 |
| 0.375 | 337.5 | -0.08235 | 0.02516 |
| -0.625 | 22.5 | -0.03413 | 0.04758 |
| -0.625 | 67.5 | 0.04552 | 0.04052 |
| -0.625 | 112.5 | 0.06934 | 0.05114 |
| -0.625 | 157.5 | 0.05104 | 0.0637 |
| -0.625 | 202.5 | 0.07125 | 0.06238 |
| -0.625 | 247.5 | 0.01593 | 0.04979 |
| -0.625 | 292.5 | -0.00881 | 0.04065 |
| -0.625 | 337.5 | -0.1535 | 0.05044 |
| 0.625 | 22.5 | 0.0391 | 0.0235 |
| 0.625 | 67.5 | 0.14547 | 0.02682 |
| 0.625 | 112.5 | 0.032 | 0.02374 |
| 0.625 | 157.5 | 0.02001 | 0.04888 |
| 0.625 | 202.5 | -0.09205 | 0.04878 |
| 0.625 | 247.5 | -0.07384 | 0.02444 |
| 0.625 | 292.5 | -0.13389 | 0.02502 |
| 0.625 | 337.5 | 0.02358 | 0.02345 |
| -0.875 | 22.5 | -0.00052 | 0.06183 |
| -0.875 | 67.5 | -0.0433 | 0.04934 |
| -0.875 | 112.5 | -0.01067 | 0.04621 |
| -0.875 | 157.5 | -0.15132 | 0.0491 |
| -0.875 | 202.5 | 0.26172 | 0.05031 |
| -0.875 | 247.5 | 0.14518 | 0.04659 |
| -0.875 | 292.5 | 0.04381 | 0.04975 |
| -0.875 | 337.5 | -0.03524 | 0.05759 |
| 0.875 | 22.5 | 0.07116 | 0.02568 |
| 0.875 | 67.5 | 0.05918 | 0.02286 |
| 0.875 | 112.5 | 0.11459 | 0.02342 |
| 0.875 | 157.5 | 0.01164 | 0.02032 |
| 0.875 | 202.5 | -0.02261 | 0.02035 |
| 0.875 | 247.5 | -0.0015 | 0.02348 |
| 0.875 | 292.5 | -0.03165 | 0.02174 |
| 0.875 | 337.5 | -0.11066 | 0.02522 |