Measurement E9M230
| Experiment: | E-89-037 Electroproduction of the P33(1232) Resonance | |
|---|---|---|
| Year: | 2002 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π0p | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.8 — 1.0 GeV2 | |
| W: | 1.22 GeV | |
| ε: | 0.831 | |
| Publication: |
K. Joo, L. C. Smith, V. D. Burkert, R. Minehart, I. G. Aznauryan, L. Elouadrhiri, S. Stepanyan, and CLAS Collaboration Q2 Dependence of Quadrupole Strength in the γ*p --> Δ+(1232) --> pπ0 Transition //
Phys. Rev. Let. 88, 122001 (2002)
|
|
| cos(θπ) | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 7.38 | 1.08 |
| -0.9 | 45.0 | 6.65 | 0.956 |
| -0.9 | 75.0 | 6.08 | 0.917 |
| -0.9 | 105.0 | 4.76 | 0.804 |
| -0.9 | 135.0 | 5.44 | 0.794 |
| -0.9 | 165.0 | 4.73 | 0.893 |
| -0.9 | 195.0 | 3.47 | 0.637 |
| -0.9 | 225.0 | 6.17 | 1.01 |
| -0.9 | 255.0 | 5.06 | 0.842 |
| -0.9 | 285.0 | 8.27 | 1.24 |
| -0.9 | 315.0 | 4.98 | 0.833 |
| -0.9 | 345.0 | 5.79 | 0.894 |
| -0.7 | 15.0 | 6.04 | 0.797 |
| -0.7 | 45.0 | 9.16 | 1.07 |
| -0.7 | 75.0 | 9.42 | 1.1 |
| -0.7 | 105.0 | 9.82 | 1.1 |
| -0.7 | 135.0 | 10.5 | 1.27 |
| -0.7 | 165.0 | 3.49 | 0.594 |
| -0.7 | 195.0 | 5.15 | 0.792 |
| -0.7 | 225.0 | 6.83 | 0.858 |
| -0.7 | 255.0 | 7.97 | 0.971 |
| -0.7 | 285.0 | 9.79 | 1.06 |
| -0.7 | 315.0 | 8.8 | 1.07 |
| -0.7 | 345.0 | 7.22 | 0.919 |
| -0.5 | 15.0 | 6.63 | 0.756 |
| -0.5 | 45.0 | 8.31 | 0.889 |
| -0.5 | 75.0 | 13.4 | 1.36 |
| -0.5 | 105.0 | 10.2 | 1.17 |
| -0.5 | 135.0 | 8.32 | 1.04 |
| -0.5 | 165.0 | 6.9 | 0.955 |
| -0.5 | 195.0 | 4.35 | 0.628 |
| -0.5 | 225.0 | 8.71 | 0.987 |
| -0.5 | 255.0 | 13.3 | 1.55 |
| -0.5 | 285.0 | 13.7 | 1.38 |
| -0.5 | 315.0 | 10.7 | 1.12 |
| -0.5 | 345.0 | 7.02 | 0.837 |
| -0.3 | 15.0 | 7.46 | 0.802 |
| -0.3 | 45.0 | 11.2 | 1.13 |
| -0.3 | 75.0 | 12.3 | 1.3 |
| -0.3 | 105.0 | 14.6 | 1.55 |
| -0.3 | 135.0 | 10.2 | 1.22 |
| -0.3 | 165.0 | 6.8 | 0.819 |
| -0.3 | 195.0 | 6.88 | 0.865 |
| -0.3 | 225.0 | 11.6 | 1.29 |
| -0.3 | 255.0 | 12.2 | 1.44 |
| -0.3 | 285.0 | 11.0 | 1.21 |
| -0.3 | 315.0 | 10.3 | 1.04 |
| -0.3 | 345.0 | 6.52 | 0.726 |
| -0.1 | 15.0 | 7.18 | 0.881 |
| -0.1 | 45.0 | 12.0 | 1.17 |
| -0.1 | 75.0 | 17.9 | 1.75 |
| -0.1 | 105.0 | 12.3 | 1.44 |
| -0.1 | 135.0 | 14.5 | 1.75 |
| -0.1 | 165.0 | 5.27 | 0.661 |
| -0.1 | 195.0 | 9.33 | 1.1 |
| -0.1 | 225.0 | 12.6 | 1.47 |
| -0.1 | 255.0 | 15.8 | 1.83 |
| -0.1 | 285.0 | 14.6 | 1.47 |
| -0.1 | 315.0 | 9.95 | 0.991 |
| -0.1 | 345.0 | 7.43 | 0.857 |
| 0.1 | 15.0 | 5.93 | 0.762 |
| 0.1 | 45.0 | 9.44 | 0.945 |
| 0.1 | 75.0 | 15.6 | 1.63 |
| 0.1 | 105.0 | 13.8 | 1.52 |
| 0.1 | 135.0 | 15.0 | 1.74 |
| 0.1 | 165.0 | 9.16 | 1.0 |
| 0.1 | 195.0 | 7.13 | 0.826 |
| 0.1 | 225.0 | 12.1 | 1.38 |
| 0.1 | 255.0 | 15.9 | 1.81 |
| 0.1 | 285.0 | 13.2 | 1.33 |
| 0.1 | 315.0 | 9.6 | 0.995 |
| 0.1 | 345.0 | 8.05 | 0.873 |
| 0.3 | 15.0 | 6.89 | 0.8 |
| 0.3 | 45.0 | 9.62 | 0.964 |
| 0.3 | 75.0 | 14.4 | 1.52 |
| 0.3 | 105.0 | 17.9 | 2.18 |
| 0.3 | 135.0 | 10.3 | 1.27 |
| 0.3 | 165.0 | 14.2 | 1.56 |
| 0.3 | 195.0 | 8.92 | 1.03 |
| 0.3 | 225.0 | 11.5 | 1.44 |
| 0.3 | 255.0 | 18.1 | 2.03 |
| 0.3 | 285.0 | 13.7 | 1.46 |
| 0.3 | 315.0 | 8.54 | 0.894 |
| 0.3 | 345.0 | 6.31 | 0.786 |
| 0.5 | 15.0 | 6.65 | 0.789 |
| 0.5 | 45.0 | 7.51 | 0.847 |
| 0.5 | 75.0 | 16.1 | 1.68 |
| 0.5 | 105.0 | 15.4 | 1.96 |
| 0.5 | 135.0 | 13.4 | 1.59 |
| 0.5 | 165.0 | 10.3 | 1.15 |
| 0.5 | 195.0 | 8.98 | 0.995 |
| 0.5 | 225.0 | 14.2 | 1.66 |
| 0.5 | 255.0 | 12.4 | 1.6 |
| 0.5 | 285.0 | 14.5 | 1.48 |
| 0.5 | 315.0 | 8.98 | 1.01 |
| 0.5 | 345.0 | 6.18 | 0.789 |
| 0.7 | 15.0 | 4.45 | 0.61 |
| 0.7 | 45.0 | 8.11 | 0.921 |
| 0.7 | 75.0 | 11.0 | 1.31 |
| 0.7 | 105.0 | 9.46 | 1.26 |
| 0.7 | 135.0 | 12.1 | 1.55 |
| 0.7 | 165.0 | 12.6 | 1.41 |
| 0.7 | 195.0 | 8.36 | 0.987 |
| 0.7 | 225.0 | 11.7 | 1.33 |
| 0.7 | 255.0 | 9.7 | 1.25 |
| 0.7 | 285.0 | 9.63 | 1.06 |
| 0.7 | 315.0 | 8.62 | 0.959 |
| 0.7 | 345.0 | 3.54 | 0.516 |
| 0.9 | 15.0 | 5.22 | 0.871 |
| 0.9 | 45.0 | 6.14 | 0.886 |
| 0.9 | 75.0 | 7.14 | 0.963 |
| 0.9 | 105.0 | 7.07 | 1.08 |
| 0.9 | 135.0 | 8.29 | 1.18 |
| 0.9 | 165.0 | 7.02 | 0.975 |
| 0.9 | 195.0 | 9.94 | 1.26 |
| 0.9 | 225.0 | 9.77 | 1.31 |
| 0.9 | 255.0 | 9.66 | 1.26 |
| 0.9 | 285.0 | 7.04 | 0.928 |
| 0.9 | 315.0 | 7.2 | 0.933 |
| 0.9 | 345.0 | 5.84 | 0.896 |
Experiment comment: