Measurement E9M24
| 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: | 1.56 GeV | |
| ε: | 0.547 | |
| 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 | 0.797 | 0.32 |
| -0.9 | 45.0 | 2.04 | 0.751 |
| -0.9 | 75.0 | 1.18 | 0.671 |
| -0.9 | 105.0 | 0.265 | 0.272 |
| -0.9 | 135.0 | 3.19 | 1.77 |
| -0.9 | 165.0 | 2.83 | 2.08 |
| -0.9 | 195.0 | 0.621 | 0.672 |
| -0.9 | 225.0 | 13.2 | 14.8 |
| -0.9 | 255.0 | 3.76 | 2.11 |
| -0.9 | 285.0 | 1.59 | 0.757 |
| -0.9 | 315.0 | 0.89 | 0.343 |
| -0.9 | 345.0 | 1.58 | 0.631 |
| -0.7 | 15.0 | 0.451 | 0.173 |
| -0.7 | 45.0 | 1.19 | 0.46 |
| -0.7 | 75.0 | 1.37 | 0.597 |
| -0.7 | 105.0 | 1.62 | 0.481 |
| -0.7 | 135.0 | 1.92 | 0.601 |
| -0.7 | 225.0 | 2.53 | 0.904 |
| -0.7 | 255.0 | 1.82 | 0.55 |
| -0.7 | 285.0 | 1.38 | 0.492 |
| -0.7 | 315.0 | 0.572 | 0.305 |
| -0.7 | 345.0 | 1.15 | 0.379 |
| -0.5 | 15.0 | 1.31 | 0.397 |
| -0.5 | 45.0 | 1.17 | 0.429 |
| -0.5 | 75.0 | 1.61 | 0.456 |
| -0.5 | 105.0 | 2.44 | 0.538 |
| -0.5 | 135.0 | 1.1 | 0.676 |
| -0.5 | 225.0 | 2.5 | 0.834 |
| -0.5 | 255.0 | 1.8 | 0.382 |
| -0.5 | 285.0 | 1.41 | 0.461 |
| -0.5 | 315.0 | 0.759 | 0.274 |
| -0.5 | 345.0 | 1.42 | 0.34 |
| -0.3 | 15.0 | 1.61 | 0.362 |
| -0.3 | 45.0 | 1.27 | 0.371 |
| -0.3 | 75.0 | 2.53 | 0.503 |
| -0.3 | 105.0 | 3.09 | 0.636 |
| -0.3 | 135.0 | 5.32 | 2.05 |
| -0.3 | 165.0 | 1.33 | 1.05 |
| -0.3 | 195.0 | 3.27 | 1.88 |
| -0.3 | 225.0 | 1.93 | 0.82 |
| -0.3 | 255.0 | 1.89 | 0.424 |
| -0.3 | 285.0 | 2.73 | 0.611 |
| -0.3 | 315.0 | 1.86 | 0.523 |
| -0.3 | 345.0 | 1.95 | 0.473 |
| -0.1 | 15.0 | 2.36 | 0.638 |
| -0.1 | 45.0 | 1.94 | 0.506 |
| -0.1 | 75.0 | 3.66 | 0.628 |
| -0.1 | 105.0 | 2.29 | 0.489 |
| -0.1 | 135.0 | 2.25 | 0.641 |
| -0.1 | 165.0 | 3.31 | 1.16 |
| -0.1 | 195.0 | 0.681 | 0.416 |
| -0.1 | 225.0 | 2.51 | 0.779 |
| -0.1 | 255.0 | 3.23 | 0.561 |
| -0.1 | 285.0 | 1.98 | 0.387 |
| -0.1 | 315.0 | 1.53 | 0.401 |
| -0.1 | 345.0 | 1.37 | 0.34 |
| 0.1 | 15.0 | 0.591 | 0.319 |
| 0.1 | 45.0 | 2.76 | 0.781 |
| 0.1 | 75.0 | 3.44 | 0.631 |
| 0.1 | 105.0 | 2.15 | 0.503 |
| 0.1 | 135.0 | 1.41 | 0.424 |
| 0.1 | 165.0 | 3.46 | 1.6 |
| 0.1 | 195.0 | 1.53 | 0.584 |
| 0.1 | 225.0 | 3.92 | 0.941 |
| 0.1 | 255.0 | 3.48 | 0.649 |
| 0.1 | 285.0 | 3.15 | 0.544 |
| 0.1 | 315.0 | 1.26 | 0.392 |
| 0.1 | 345.0 | 0.79 | 0.343 |
| 0.3 | 15.0 | 2.26 | 1.02 |
| 0.3 | 45.0 | 2.18 | 0.62 |
| 0.3 | 75.0 | 1.83 | 0.35 |
| 0.3 | 105.0 | 2.22 | 0.566 |
| 0.3 | 135.0 | 2.03 | 0.491 |
| 0.3 | 165.0 | 2.3 | 0.891 |
| 0.3 | 195.0 | 1.82 | 0.61 |
| 0.3 | 225.0 | 2.87 | 0.615 |
| 0.3 | 255.0 | 2.91 | 0.655 |
| 0.3 | 285.0 | 2.39 | 0.423 |
| 0.3 | 315.0 | 1.3 | 0.386 |
| 0.3 | 345.0 | 1.38 | 0.691 |
| 0.5 | 15.0 | 3.16 | 1.27 |
| 0.5 | 45.0 | 1.19 | 0.367 |
| 0.5 | 75.0 | 1.96 | 0.376 |
| 0.5 | 105.0 | 2.24 | 0.586 |
| 0.5 | 135.0 | 1.18 | 0.3 |
| 0.5 | 165.0 | 1.06 | 0.36 |
| 0.5 | 195.0 | 1.39 | 0.501 |
| 0.5 | 225.0 | 0.994 | 0.294 |
| 0.5 | 255.0 | 2.6 | 0.668 |
| 0.5 | 285.0 | 2.17 | 0.42 |
| 0.5 | 315.0 | 1.76 | 0.473 |
| 0.5 | 345.0 | 1.71 | 0.692 |
| 0.7 | 15.0 | 0.652 | 0.267 |
| 0.7 | 45.0 | 1.63 | 0.509 |
| 0.7 | 75.0 | 2.44 | 0.501 |
| 0.7 | 105.0 | 1.49 | 0.474 |
| 0.7 | 135.0 | 0.836 | 0.28 |
| 0.7 | 165.0 | 0.394 | 0.242 |
| 0.7 | 195.0 | 3.25 | 1.75 |
| 0.7 | 225.0 | 1.17 | 0.34 |
| 0.7 | 255.0 | 1.37 | 0.36 |
| 0.7 | 285.0 | 1.29 | 0.288 |
| 0.7 | 315.0 | 1.41 | 0.484 |
| 0.7 | 345.0 | 2.04 | 0.645 |
| 0.9 | 15.0 | 1.92 | 0.785 |
| 0.9 | 45.0 | 1.13 | 0.44 |
| 0.9 | 75.0 | 1.18 | 0.328 |
| 0.9 | 105.0 | 1.72 | 0.646 |
| 0.9 | 135.0 | 1.14 | 0.464 |
| 0.9 | 165.0 | 0.421 | 0.264 |
| 0.9 | 195.0 | 2.08 | 1.36 |
| 0.9 | 225.0 | 1.09 | 0.415 |
| 0.9 | 255.0 | 0.809 | 0.36 |
| 0.9 | 285.0 | 1.18 | 0.305 |
| 0.9 | 315.0 | 2.1 | 0.825 |
| 0.9 | 345.0 | 2.75 | 0.994 |
Experiment comment: