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 = 0.8991
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 : | 1.22 — 1.26 GeV |
| xb : | 0 |
| ε : | 0.8991 |
|
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 | 0.12714 | 0.03753 |
| -0.125 | 67.5 | 0.06054 | 0.03464 |
| -0.125 | 112.5 | 0.0648 | 0.02815 |
| -0.125 | 157.5 | 0.24104 | 0.06248 |
| -0.125 | 202.5 | -0.1116 | 0.07079 |
| -0.125 | 247.5 | -0.02697 | 0.02802 |
| -0.125 | 292.5 | -0.01592 | 0.03531 |
| -0.125 | 337.5 | 0.01069 | 0.03841 |
| 0.125 | 22.5 | 0.06551 | 0.0301 |
| 0.125 | 67.5 | 0.00757 | 0.03044 |
| 0.125 | 112.5 | 0.05257 | 0.03182 |
| 0.125 | 157.5 | 0.21926 | 0.07578 |
| 0.125 | 247.5 | 0.01123 | 0.03123 |
| 0.125 | 292.5 | -0.04319 | 0.02987 |
| 0.125 | 337.5 | -0.00757 | 0.03001 |
| -0.375 | 22.5 | 0.03166 | 0.0439 |
| -0.375 | 67.5 | 0.03872 | 0.04005 |
| -0.375 | 112.5 | 0.01807 | 0.03048 |
| -0.375 | 157.5 | -0.02628 | 0.11382 |
| -0.375 | 202.5 | -0.01608 | 0.09915 |
| -0.375 | 247.5 | -0.10901 | 0.02979 |
| -0.375 | 292.5 | -0.10914 | 0.04257 |
| -0.375 | 337.5 | -0.13055 | 0.04505 |
| 0.375 | 22.5 | -0.00333 | 0.02521 |
| 0.375 | 67.5 | 0.06739 | 0.02709 |
| 0.375 | 112.5 | 0.04412 | 0.03632 |
| 0.375 | 157.5 | 0.10159 | 0.05579 |
| 0.375 | 202.5 | -0.04002 | 0.05464 |
| 0.375 | 247.5 | -0.01892 | 0.03596 |
| 0.375 | 292.5 | -0.06456 | 0.02711 |
| 0.375 | 337.5 | -0.09794 | 0.02454 |
| -0.625 | 22.5 | -0.0071 | 0.06066 |
| -0.625 | 67.5 | -0.00062 | 0.0483 |
| -0.625 | 112.5 | -0.04689 | 0.0465 |
| -0.625 | 157.5 | -0.29217 | 0.37849 |
| -0.625 | 202.5 | 0.00432 | 0.35361 |
| -0.625 | 247.5 | 0.18849 | 0.05077 |
| -0.625 | 292.5 | -0.0012 | 0.04388 |
| -0.625 | 337.5 | -0.12762 | 0.06614 |
| 0.625 | 22.5 | 0.04946 | 0.02189 |
| 0.625 | 67.5 | 0.08176 | 0.02374 |
| 0.625 | 112.5 | 0.00786 | 0.03268 |
| 0.625 | 157.5 | 0.03648 | 0.03486 |
| 0.625 | 202.5 | -0.02068 | 0.03369 |
| 0.625 | 247.5 | -0.0437 | 0.03131 |
| 0.625 | 292.5 | -0.07027 | 0.02503 |
| 0.625 | 337.5 | 0.02669 | 0.02225 |
| -0.875 | 22.5 | -0.39525 | 0.2657 |
| -0.875 | 67.5 | -0.62062 | 0.2195 |
| -0.875 | 112.5 | 0.48978 | 0.49919 |
| -0.875 | 247.5 | -0.4956 | 0.49093 |
| -0.875 | 292.5 | -0.10644 | 0.17957 |
| -0.875 | 337.5 | -0.71038 | 0.23107 |
| 0.875 | 22.5 | 0.04822 | 0.02157 |
| 0.875 | 67.5 | 0.07149 | 0.02354 |
| 0.875 | 112.5 | 0.02473 | 0.02543 |
| 0.875 | 157.5 | -0.01412 | 0.0258 |
| 0.875 | 202.5 | -0.0404 | 0.02624 |
| 0.875 | 247.5 | -0.08618 | 0.02578 |
| 0.875 | 292.5 | -0.07149 | 0.02336 |
| 0.875 | 337.5 | -0.00264 | 0.02198 |