Measurement E9M144
| 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: | 1.36 GeV | |
| ε: | 0.56 | |
| 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 | 0.458 | 0.356 |
| -0.9 | 45.0 | 0.185 | 0.19 |
| -0.9 | 75.0 | 0.278 | 0.175 |
| -0.9 | 105.0 | 0.914 | 0.543 |
| -0.9 | 135.0 | 1.17 | 0.677 |
| -0.9 | 165.0 | 0.757 | 0.587 |
| -0.9 | 195.0 | 1.09 | 0.871 |
| -0.9 | 225.0 | 0.219 | 0.23 |
| -0.9 | 255.0 | 0.545 | 0.42 |
| -0.9 | 285.0 | 0.922 | 0.741 |
| -0.9 | 315.0 | 0.257 | 0.273 |
| -0.9 | 345.0 | 1.52 | 0.919 |
| -0.7 | 15.0 | 1.53 | 0.56 |
| -0.7 | 45.0 | 2.35 | 0.76 |
| -0.7 | 75.0 | 2.04 | 0.887 |
| -0.7 | 105.0 | 1.99 | 0.852 |
| -0.7 | 165.0 | 1.77 | 0.899 |
| -0.7 | 195.0 | 4.63 | 2.84 |
| -0.7 | 225.0 | 1.28 | 0.724 |
| -0.7 | 255.0 | 1.11 | 0.557 |
| -0.7 | 285.0 | 1.43 | 0.663 |
| -0.7 | 315.0 | 1.42 | 0.617 |
| -0.7 | 345.0 | 1.04 | 0.439 |
| -0.5 | 15.0 | 3.2 | 1.11 |
| -0.5 | 45.0 | 1.42 | 0.523 |
| -0.5 | 75.0 | 2.82 | 1.01 |
| -0.5 | 105.0 | 1.77 | 0.788 |
| -0.5 | 135.0 | 3.93 | 1.96 |
| -0.5 | 165.0 | 1.96 | 1.64 |
| -0.5 | 195.0 | 3.56 | 3.27 |
| -0.5 | 225.0 | 1.88 | 0.977 |
| -0.5 | 255.0 | 0.618 | 0.453 |
| -0.5 | 285.0 | 1.96 | 0.788 |
| -0.5 | 315.0 | 3.72 | 1.04 |
| -0.5 | 345.0 | 2.47 | 1.07 |
| -0.3 | 15.0 | 1.92 | 0.723 |
| -0.3 | 45.0 | 2.82 | 1.01 |
| -0.3 | 75.0 | 2.23 | 0.783 |
| -0.3 | 105.0 | 4.09 | 1.4 |
| -0.3 | 135.0 | 2.05 | 0.943 |
| -0.3 | 195.0 | 8.37 | 11.9 |
| -0.3 | 225.0 | 2.89 | 1.44 |
| -0.3 | 255.0 | 7.51 | 2.21 |
| -0.3 | 285.0 | 3.74 | 1.17 |
| -0.3 | 315.0 | 2.45 | 0.911 |
| -0.3 | 345.0 | 2.07 | 0.872 |
| -0.1 | 15.0 | 2.9 | 0.885 |
| -0.1 | 45.0 | 2.35 | 0.707 |
| -0.1 | 75.0 | 1.57 | 0.566 |
| -0.1 | 105.0 | 2.95 | 0.997 |
| -0.1 | 135.0 | 2.86 | 0.904 |
| -0.1 | 165.0 | 1.67 | 1.87 |
| -0.1 | 225.0 | 1.92 | 0.682 |
| -0.1 | 255.0 | 7.28 | 2.02 |
| -0.1 | 285.0 | 2.36 | 0.733 |
| -0.1 | 315.0 | 3.89 | 1.27 |
| -0.1 | 345.0 | 3.0 | 0.879 |
| 0.1 | 15.0 | 1.28 | 0.49 |
| 0.1 | 45.0 | 3.2 | 0.865 |
| 0.1 | 75.0 | 2.15 | 0.749 |
| 0.1 | 105.0 | 3.54 | 1.03 |
| 0.1 | 135.0 | 5.43 | 1.66 |
| 0.1 | 225.0 | 5.14 | 1.85 |
| 0.1 | 255.0 | 3.06 | 0.806 |
| 0.1 | 285.0 | 2.33 | 0.754 |
| 0.1 | 315.0 | 2.45 | 0.766 |
| 0.1 | 345.0 | 1.4 | 0.494 |
| 0.3 | 15.0 | 1.86 | 0.596 |
| 0.3 | 45.0 | 2.48 | 0.773 |
| 0.3 | 75.0 | 2.41 | 0.774 |
| 0.3 | 105.0 | 3.64 | 0.989 |
| 0.3 | 135.0 | 7.26 | 2.34 |
| 0.3 | 165.0 | 2.95 | 2.71 |
| 0.3 | 225.0 | 2.09 | 0.81 |
| 0.3 | 255.0 | 4.38 | 1.37 |
| 0.3 | 285.0 | 3.2 | 0.987 |
| 0.3 | 315.0 | 2.3 | 0.611 |
| 0.3 | 345.0 | 2.37 | 0.706 |
| 0.5 | 15.0 | 0.865 | 0.325 |
| 0.5 | 45.0 | 2.98 | 1.09 |
| 0.5 | 75.0 | 2.64 | 0.804 |
| 0.5 | 105.0 | 2.55 | 0.759 |
| 0.5 | 135.0 | 1.68 | 0.736 |
| 0.5 | 225.0 | 8.33 | 4.26 |
| 0.5 | 255.0 | 1.94 | 0.669 |
| 0.5 | 285.0 | 1.94 | 0.77 |
| 0.5 | 315.0 | 2.07 | 0.607 |
| 0.5 | 345.0 | 4.26 | 1.29 |
| 0.7 | 15.0 | 2.08 | 0.641 |
| 0.7 | 45.0 | 1.71 | 0.524 |
| 0.7 | 75.0 | 1.8 | 0.709 |
| 0.7 | 105.0 | 4.59 | 1.68 |
| 0.7 | 135.0 | 0.212 | 0.16 |
| 0.7 | 225.0 | 1.3 | 0.558 |
| 0.7 | 255.0 | 1.6 | 0.696 |
| 0.7 | 285.0 | 5.31 | 1.93 |
| 0.7 | 315.0 | 1.09 | 0.487 |
| 0.7 | 345.0 | 1.88 | 0.551 |
| 0.9 | 15.0 | 1.65 | 0.677 |
| 0.9 | 45.0 | 2.19 | 1.16 |
| 0.9 | 75.0 | 1.08 | 0.566 |
| 0.9 | 105.0 | 1.74 | 1.34 |
| 0.9 | 135.0 | 0.948 | 0.704 |
| 0.9 | 165.0 | 2.46 | 1.89 |
| 0.9 | 195.0 | 0.711 | 0.822 |
| 0.9 | 225.0 | 1.86 | 1.14 |
| 0.9 | 255.0 | 7.46 | 8.06 |
| 0.9 | 285.0 | 1.22 | 0.652 |
| 0.9 | 315.0 | 1.35 | 0.872 |
| 0.9 | 345.0 | 0.981 | 0.5 |
Experiment comment: