Measurement E9M64
| 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: | 1.6 — 2.0 GeV2 | |
| W: | 1.18 GeV | |
| ε: | 0.603 | |
| 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 | 0.737 | 0.348 |
| -0.9 | 45.0 | 1.35 | 0.881 |
| -0.9 | 75.0 | 0.689 | 0.281 |
| -0.9 | 105.0 | 1.74 | 1.04 |
| -0.9 | 135.0 | 0.792 | 0.34 |
| -0.9 | 165.0 | 0.202 | 0.209 |
| -0.9 | 195.0 | 0.967 | 0.532 |
| -0.9 | 225.0 | 0.759 | 0.34 |
| -0.9 | 255.0 | 0.815 | 0.476 |
| -0.9 | 285.0 | 0.557 | 0.291 |
| -0.9 | 315.0 | 0.387 | 0.167 |
| -0.9 | 345.0 | 1.21 | 0.631 |
| -0.7 | 15.0 | 0.863 | 0.344 |
| -0.7 | 45.0 | 2.22 | 0.896 |
| -0.7 | 75.0 | 1.52 | 0.601 |
| -0.7 | 105.0 | 1.5 | 0.578 |
| -0.7 | 135.0 | 1.52 | 0.849 |
| -0.7 | 165.0 | 0.922 | 0.488 |
| -0.7 | 195.0 | 1.34 | 0.551 |
| -0.7 | 225.0 | 0.553 | 0.273 |
| -0.7 | 255.0 | 0.426 | 0.231 |
| -0.7 | 285.0 | 0.547 | 0.275 |
| -0.7 | 315.0 | 1.26 | 0.469 |
| -0.7 | 345.0 | 1.45 | 0.628 |
| -0.5 | 15.0 | 0.797 | 0.296 |
| -0.5 | 45.0 | 0.821 | 0.368 |
| -0.5 | 75.0 | 1.66 | 0.647 |
| -0.5 | 105.0 | 1.77 | 0.671 |
| -0.5 | 135.0 | 1.66 | 0.635 |
| -0.5 | 165.0 | 1.26 | 0.476 |
| -0.5 | 195.0 | 2.19 | 0.831 |
| -0.5 | 225.0 | 3.25 | 1.38 |
| -0.5 | 255.0 | 0.917 | 0.321 |
| -0.5 | 285.0 | 1.01 | 0.403 |
| -0.5 | 315.0 | 0.531 | 0.327 |
| -0.5 | 345.0 | 1.8 | 0.81 |
| -0.3 | 15.0 | 0.934 | 0.401 |
| -0.3 | 45.0 | 1.31 | 0.493 |
| -0.3 | 75.0 | 1.31 | 0.463 |
| -0.3 | 105.0 | 1.46 | 0.598 |
| -0.3 | 135.0 | 1.75 | 0.693 |
| -0.3 | 165.0 | 1.32 | 0.528 |
| -0.3 | 195.0 | 1.84 | 0.703 |
| -0.3 | 225.0 | 0.873 | 0.393 |
| -0.3 | 255.0 | 3.07 | 1.19 |
| -0.3 | 285.0 | 1.67 | 0.679 |
| -0.3 | 315.0 | 0.515 | 0.278 |
| -0.3 | 345.0 | 1.62 | 0.609 |
| -0.1 | 15.0 | 0.989 | 0.358 |
| -0.1 | 45.0 | 1.9 | 0.846 |
| -0.1 | 75.0 | 1.43 | 0.506 |
| -0.1 | 105.0 | 0.619 | 0.377 |
| -0.1 | 135.0 | 1.67 | 0.518 |
| -0.1 | 165.0 | 1.07 | 0.333 |
| -0.1 | 195.0 | 0.628 | 0.26 |
| -0.1 | 225.0 | 0.961 | 0.406 |
| -0.1 | 255.0 | 1.66 | 0.721 |
| -0.1 | 285.0 | 1.55 | 0.523 |
| -0.1 | 315.0 | 1.03 | 0.42 |
| -0.1 | 345.0 | 1.38 | 0.537 |
| 0.1 | 15.0 | 0.92 | 0.35 |
| 0.1 | 45.0 | 0.736 | 0.329 |
| 0.1 | 75.0 | 2.18 | 0.771 |
| 0.1 | 105.0 | 8.18 | 3.01 |
| 0.1 | 135.0 | 1.85 | 0.668 |
| 0.1 | 165.0 | 2.48 | 0.756 |
| 0.1 | 195.0 | 1.67 | 0.527 |
| 0.1 | 225.0 | 3.03 | 1.05 |
| 0.1 | 255.0 | 1.14 | 0.48 |
| 0.1 | 285.0 | 0.966 | 0.373 |
| 0.1 | 315.0 | 2.95 | 0.939 |
| 0.1 | 345.0 | 1.57 | 0.509 |
| 0.3 | 15.0 | 1.12 | 0.479 |
| 0.3 | 45.0 | 1.94 | 0.693 |
| 0.3 | 75.0 | 1.89 | 0.83 |
| 0.3 | 105.0 | 1.1 | 0.474 |
| 0.3 | 135.0 | 2.33 | 0.762 |
| 0.3 | 165.0 | 2.47 | 0.863 |
| 0.3 | 195.0 | 1.67 | 0.664 |
| 0.3 | 225.0 | 1.46 | 0.476 |
| 0.3 | 255.0 | 1.82 | 0.63 |
| 0.3 | 285.0 | 2.18 | 0.774 |
| 0.3 | 315.0 | 1.33 | 0.472 |
| 0.3 | 345.0 | 0.568 | 0.262 |
| 0.5 | 15.0 | 0.649 | 0.282 |
| 0.5 | 45.0 | 0.857 | 0.4 |
| 0.5 | 75.0 | 2.53 | 0.901 |
| 0.5 | 105.0 | 2.21 | 0.872 |
| 0.5 | 135.0 | 2.53 | 0.8 |
| 0.5 | 165.0 | 2.54 | 0.794 |
| 0.5 | 195.0 | 2.74 | 0.839 |
| 0.5 | 225.0 | 2.03 | 0.801 |
| 0.5 | 255.0 | 2.73 | 0.858 |
| 0.5 | 285.0 | 1.96 | 0.746 |
| 0.5 | 315.0 | 0.639 | 0.273 |
| 0.5 | 345.0 | 0.712 | 0.338 |
| 0.7 | 15.0 | 3.64 | 1.26 |
| 0.7 | 45.0 | 0.73 | 0.358 |
| 0.7 | 75.0 | 2.58 | 0.911 |
| 0.7 | 105.0 | 3.81 | 1.39 |
| 0.7 | 135.0 | 3.11 | 0.887 |
| 0.7 | 165.0 | 3.42 | 1.02 |
| 0.7 | 195.0 | 3.72 | 1.11 |
| 0.7 | 225.0 | 1.19 | 0.552 |
| 0.7 | 255.0 | 2.06 | 0.73 |
| 0.7 | 285.0 | 4.54 | 1.36 |
| 0.7 | 315.0 | 2.46 | 0.888 |
| 0.7 | 345.0 | 4.71 | 1.75 |
| 0.9 | 15.0 | 2.58 | 0.928 |
| 0.9 | 45.0 | 1.57 | 0.685 |
| 0.9 | 75.0 | 0.948 | 0.476 |
| 0.9 | 105.0 | 3.09 | 1.1 |
| 0.9 | 135.0 | 1.84 | 0.741 |
| 0.9 | 165.0 | 2.07 | 0.723 |
| 0.9 | 195.0 | 4.65 | 2.0 |
| 0.9 | 225.0 | 2.57 | 0.795 |
| 0.9 | 255.0 | 1.99 | 0.964 |
| 0.9 | 285.0 | 0.757 | 0.485 |
| 0.9 | 315.0 | 1.41 | 0.756 |
| 0.9 | 345.0 | 0.162 | 0.098 |
Experiment comment: