Measurement E9M12
| 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: | 0.35 — 0.45 GeV2 | |
| W: | 1.32 GeV | |
| ε: | 0.779 | |
| 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 | 2.55 | 0.707 |
| -0.9 | 45.0 | 2.47 | 0.568 |
| -0.9 | 75.0 | 2.66 | 0.693 |
| -0.9 | 105.0 | 2.43 | 0.676 |
| -0.9 | 135.0 | 2.75 | 0.829 |
| -0.9 | 165.0 | 1.83 | 0.654 |
| -0.9 | 195.0 | 1.4 | 0.373 |
| -0.9 | 225.0 | 2.49 | 0.659 |
| -0.9 | 255.0 | 1.71 | 0.588 |
| -0.9 | 285.0 | 2.62 | 0.682 |
| -0.9 | 315.0 | 1.84 | 0.442 |
| -0.9 | 345.0 | 1.2 | 0.39 |
| -0.7 | 15.0 | 3.4 | 0.56 |
| -0.7 | 45.0 | 4.82 | 0.825 |
| -0.7 | 75.0 | 5.79 | 1.16 |
| -0.7 | 105.0 | 3.05 | 0.909 |
| -0.7 | 135.0 | 2.74 | 0.946 |
| -0.7 | 165.0 | 3.05 | 0.818 |
| -0.7 | 195.0 | 4.75 | 1.13 |
| -0.7 | 225.0 | 3.39 | 1.02 |
| -0.7 | 255.0 | 5.56 | 1.74 |
| -0.7 | 285.0 | 5.09 | 1.04 |
| -0.7 | 315.0 | 4.08 | 0.682 |
| -0.7 | 345.0 | 2.06 | 0.423 |
| -0.5 | 15.0 | 3.67 | 0.533 |
| -0.5 | 45.0 | 4.44 | 0.67 |
| -0.5 | 75.0 | 10.7 | 2.05 |
| -0.5 | 105.0 | 8.27 | 2.13 |
| -0.5 | 135.0 | 4.44 | 1.63 |
| -0.5 | 165.0 | 1.47 | 0.513 |
| -0.5 | 195.0 | 1.15 | 0.462 |
| -0.5 | 225.0 | 3.68 | 1.62 |
| -0.5 | 255.0 | 14.4 | 3.39 |
| -0.5 | 285.0 | 4.97 | 1.14 |
| -0.5 | 315.0 | 4.76 | 0.767 |
| -0.5 | 345.0 | 4.47 | 0.629 |
| -0.3 | 15.0 | 4.77 | 0.626 |
| -0.3 | 45.0 | 9.06 | 1.21 |
| -0.3 | 75.0 | 6.58 | 1.25 |
| -0.3 | 105.0 | 7.4 | 1.3 |
| -0.3 | 135.0 | 6.47 | 1.5 |
| -0.3 | 165.0 | 4.03 | 1.63 |
| -0.3 | 195.0 | 7.47 | 3.29 |
| -0.3 | 225.0 | 6.82 | 1.65 |
| -0.3 | 255.0 | 6.84 | 1.19 |
| -0.3 | 285.0 | 6.81 | 1.35 |
| -0.3 | 315.0 | 6.81 | 0.945 |
| -0.3 | 345.0 | 3.79 | 0.53 |
| -0.1 | 15.0 | 4.0 | 0.543 |
| -0.1 | 45.0 | 7.38 | 1.02 |
| -0.1 | 75.0 | 8.57 | 1.53 |
| -0.1 | 105.0 | 8.34 | 1.16 |
| -0.1 | 135.0 | 5.25 | 0.893 |
| -0.1 | 165.0 | 6.1 | 3.06 |
| -0.1 | 195.0 | 2.84 | 1.56 |
| -0.1 | 225.0 | 7.05 | 1.28 |
| -0.1 | 255.0 | 8.49 | 1.28 |
| -0.1 | 285.0 | 11.4 | 1.92 |
| -0.1 | 315.0 | 6.83 | 0.941 |
| -0.1 | 345.0 | 5.58 | 0.764 |
| 0.1 | 15.0 | 3.35 | 0.573 |
| 0.1 | 45.0 | 5.4 | 0.82 |
| 0.1 | 75.0 | 10.2 | 1.45 |
| 0.1 | 105.0 | 9.65 | 1.18 |
| 0.1 | 135.0 | 7.14 | 1.03 |
| 0.1 | 165.0 | 2.46 | 1.1 |
| 0.1 | 195.0 | 7.0 | 2.41 |
| 0.1 | 225.0 | 9.34 | 1.27 |
| 0.1 | 255.0 | 9.38 | 1.15 |
| 0.1 | 285.0 | 7.91 | 1.2 |
| 0.1 | 315.0 | 6.52 | 0.879 |
| 0.1 | 345.0 | 3.72 | 0.517 |
| 0.3 | 15.0 | 4.76 | 0.73 |
| 0.3 | 45.0 | 4.24 | 0.645 |
| 0.3 | 75.0 | 9.09 | 1.3 |
| 0.3 | 105.0 | 7.07 | 0.945 |
| 0.3 | 135.0 | 4.54 | 0.667 |
| 0.3 | 165.0 | 8.05 | 2.86 |
| 0.3 | 195.0 | 3.36 | 1.32 |
| 0.3 | 225.0 | 6.34 | 0.966 |
| 0.3 | 255.0 | 9.29 | 1.14 |
| 0.3 | 285.0 | 7.89 | 1.18 |
| 0.3 | 315.0 | 5.19 | 0.781 |
| 0.3 | 345.0 | 3.87 | 0.59 |
| 0.5 | 15.0 | 3.59 | 0.561 |
| 0.5 | 45.0 | 6.9 | 1.03 |
| 0.5 | 75.0 | 5.62 | 0.904 |
| 0.5 | 105.0 | 7.95 | 1.05 |
| 0.5 | 135.0 | 6.01 | 0.941 |
| 0.5 | 165.0 | 2.44 | 1.34 |
| 0.5 | 195.0 | 5.15 | 1.89 |
| 0.5 | 225.0 | 7.8 | 1.13 |
| 0.5 | 255.0 | 6.49 | 0.894 |
| 0.5 | 285.0 | 6.68 | 1.11 |
| 0.5 | 315.0 | 5.23 | 0.844 |
| 0.5 | 345.0 | 4.38 | 0.658 |
| 0.7 | 15.0 | 3.62 | 0.552 |
| 0.7 | 45.0 | 3.35 | 0.595 |
| 0.7 | 75.0 | 4.73 | 0.882 |
| 0.7 | 105.0 | 4.1 | 0.677 |
| 0.7 | 135.0 | 6.18 | 1.18 |
| 0.7 | 165.0 | 3.85 | 1.82 |
| 0.7 | 195.0 | 4.02 | 1.93 |
| 0.7 | 225.0 | 5.5 | 1.07 |
| 0.7 | 255.0 | 5.24 | 0.834 |
| 0.7 | 285.0 | 4.67 | 0.901 |
| 0.7 | 315.0 | 3.4 | 0.696 |
| 0.7 | 345.0 | 3.25 | 0.563 |
| 0.9 | 15.0 | 2.07 | 0.479 |
| 0.9 | 45.0 | 2.6 | 0.668 |
| 0.9 | 75.0 | 3.68 | 1.01 |
| 0.9 | 105.0 | 3.2 | 0.824 |
| 0.9 | 135.0 | 2.78 | 0.888 |
| 0.9 | 165.0 | 0.666 | 0.694 |
| 0.9 | 195.0 | 2.29 | 1.5 |
| 0.9 | 225.0 | 3.69 | 1.25 |
| 0.9 | 255.0 | 4.59 | 1.14 |
| 0.9 | 285.0 | 3.92 | 0.912 |
| 0.9 | 315.0 | 2.3 | 0.598 |
| 0.9 | 345.0 | 1.8 | 0.434 |
Experiment comment: