Measurement E9M202
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.26 GeV | |
| ε: | 0.852 | |
| 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 | 3.51 | 0.789 |
| -0.9 | 45.0 | 4.53 | 0.917 |
| -0.9 | 75.0 | 3.38 | 0.698 |
| -0.9 | 105.0 | 6.8 | 1.42 |
| -0.9 | 135.0 | 3.94 | 0.887 |
| -0.9 | 165.0 | 2.51 | 0.744 |
| -0.9 | 195.0 | 2.32 | 0.722 |
| -0.9 | 225.0 | 3.03 | 0.773 |
| -0.9 | 255.0 | 3.7 | 0.887 |
| -0.9 | 285.0 | 5.2 | 1.04 |
| -0.9 | 315.0 | 3.78 | 0.812 |
| -0.9 | 345.0 | 3.08 | 0.736 |
| -0.7 | 15.0 | 6.66 | 1.0 |
| -0.7 | 45.0 | 7.53 | 1.12 |
| -0.7 | 75.0 | 6.36 | 0.975 |
| -0.7 | 105.0 | 7.52 | 1.19 |
| -0.7 | 135.0 | 5.88 | 0.944 |
| -0.7 | 165.0 | 3.81 | 0.846 |
| -0.7 | 195.0 | 2.13 | 0.493 |
| -0.7 | 225.0 | 3.38 | 0.673 |
| -0.7 | 255.0 | 8.4 | 1.25 |
| -0.7 | 285.0 | 8.37 | 1.23 |
| -0.7 | 315.0 | 5.74 | 0.866 |
| -0.7 | 345.0 | 3.44 | 0.577 |
| -0.5 | 15.0 | 5.7 | 0.877 |
| -0.5 | 45.0 | 9.66 | 1.22 |
| -0.5 | 75.0 | 12.0 | 1.49 |
| -0.5 | 105.0 | 12.4 | 1.94 |
| -0.5 | 135.0 | 7.28 | 1.28 |
| -0.5 | 165.0 | 3.03 | 0.556 |
| -0.5 | 195.0 | 3.64 | 0.719 |
| -0.5 | 225.0 | 6.15 | 1.12 |
| -0.5 | 255.0 | 9.84 | 1.51 |
| -0.5 | 285.0 | 8.02 | 1.05 |
| -0.5 | 315.0 | 6.81 | 0.863 |
| -0.5 | 345.0 | 5.3 | 0.792 |
| -0.3 | 15.0 | 4.8 | 0.758 |
| -0.3 | 45.0 | 7.71 | 0.955 |
| -0.3 | 75.0 | 10.9 | 1.45 |
| -0.3 | 105.0 | 13.9 | 2.15 |
| -0.3 | 135.0 | 8.25 | 1.46 |
| -0.3 | 165.0 | 5.03 | 0.776 |
| -0.3 | 195.0 | 4.84 | 0.858 |
| -0.3 | 225.0 | 6.68 | 1.29 |
| -0.3 | 255.0 | 13.7 | 2.01 |
| -0.3 | 285.0 | 12.2 | 1.56 |
| -0.3 | 315.0 | 10.1 | 1.2 |
| -0.3 | 345.0 | 4.66 | 0.724 |
| -0.1 | 15.0 | 5.75 | 0.754 |
| -0.1 | 45.0 | 9.5 | 1.11 |
| -0.1 | 75.0 | 16.4 | 2.22 |
| -0.1 | 105.0 | 9.98 | 1.82 |
| -0.1 | 135.0 | 12.1 | 2.35 |
| -0.1 | 165.0 | 6.8 | 1.14 |
| -0.1 | 195.0 | 4.52 | 0.786 |
| -0.1 | 225.0 | 4.75 | 1.01 |
| -0.1 | 255.0 | 14.3 | 2.39 |
| -0.1 | 285.0 | 13.3 | 1.73 |
| -0.1 | 315.0 | 10.7 | 1.21 |
| -0.1 | 345.0 | 4.79 | 0.717 |
| 0.1 | 15.0 | 5.34 | 0.811 |
| 0.1 | 45.0 | 9.05 | 1.1 |
| 0.1 | 75.0 | 14.4 | 2.01 |
| 0.1 | 105.0 | 10.5 | 2.36 |
| 0.1 | 135.0 | 7.7 | 1.78 |
| 0.1 | 165.0 | 6.66 | 1.12 |
| 0.1 | 195.0 | 4.67 | 0.78 |
| 0.1 | 225.0 | 9.64 | 2.19 |
| 0.1 | 255.0 | 9.8 | 1.94 |
| 0.1 | 285.0 | 10.2 | 1.53 |
| 0.1 | 315.0 | 10.2 | 1.23 |
| 0.1 | 345.0 | 6.15 | 0.888 |
| 0.3 | 15.0 | 4.19 | 0.685 |
| 0.3 | 45.0 | 7.8 | 0.947 |
| 0.3 | 75.0 | 13.3 | 1.79 |
| 0.3 | 105.0 | 16.2 | 3.43 |
| 0.3 | 135.0 | 9.75 | 2.25 |
| 0.3 | 165.0 | 6.38 | 1.05 |
| 0.3 | 195.0 | 4.92 | 0.834 |
| 0.3 | 225.0 | 10.6 | 2.62 |
| 0.3 | 255.0 | 9.29 | 2.02 |
| 0.3 | 285.0 | 9.47 | 1.35 |
| 0.3 | 315.0 | 7.7 | 0.936 |
| 0.3 | 345.0 | 4.51 | 0.717 |
| 0.5 | 15.0 | 5.05 | 0.78 |
| 0.5 | 45.0 | 7.13 | 0.999 |
| 0.5 | 75.0 | 11.0 | 1.71 |
| 0.5 | 105.0 | 9.77 | 2.49 |
| 0.5 | 135.0 | 5.62 | 1.61 |
| 0.5 | 165.0 | 5.96 | 1.09 |
| 0.5 | 195.0 | 5.14 | 0.913 |
| 0.5 | 225.0 | 4.82 | 1.47 |
| 0.5 | 255.0 | 8.42 | 2.08 |
| 0.5 | 285.0 | 11.6 | 1.7 |
| 0.5 | 315.0 | 6.37 | 0.89 |
| 0.5 | 345.0 | 3.58 | 0.605 |
| 0.7 | 15.0 | 4.22 | 0.747 |
| 0.7 | 45.0 | 7.5 | 1.08 |
| 0.7 | 75.0 | 6.58 | 1.14 |
| 0.7 | 105.0 | 6.21 | 1.46 |
| 0.7 | 135.0 | 7.11 | 1.5 |
| 0.7 | 165.0 | 5.87 | 0.972 |
| 0.7 | 195.0 | 7.61 | 1.29 |
| 0.7 | 225.0 | 6.08 | 1.25 |
| 0.7 | 255.0 | 3.22 | 0.834 |
| 0.7 | 285.0 | 7.49 | 1.14 |
| 0.7 | 315.0 | 5.73 | 0.957 |
| 0.7 | 345.0 | 3.08 | 0.566 |
| 0.9 | 15.0 | 2.84 | 0.699 |
| 0.9 | 45.0 | 5.67 | 1.13 |
| 0.9 | 75.0 | 4.43 | 0.803 |
| 0.9 | 105.0 | 4.83 | 1.03 |
| 0.9 | 135.0 | 4.83 | 0.99 |
| 0.9 | 165.0 | 5.13 | 0.984 |
| 0.9 | 195.0 | 3.52 | 0.795 |
| 0.9 | 225.0 | 6.12 | 1.27 |
| 0.9 | 255.0 | 8.75 | 1.82 |
| 0.9 | 285.0 | 6.01 | 1.18 |
| 0.9 | 315.0 | 4.18 | 0.771 |
| 0.9 | 345.0 | 2.78 | 0.648 |
Experiment comment: