Measurement E9M39
| 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: | 1.3 — 1.6 GeV2 | |
| W: | 1.26 GeV | |
| ε: | 0.669 | |
| 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 | 1.65 | 0.531 |
| -0.9 | 45.0 | 1.98 | 0.538 |
| -0.9 | 75.0 | 1.42 | 0.43 |
| -0.9 | 105.0 | 1.86 | 0.547 |
| -0.9 | 135.0 | 0.466 | 0.163 |
| -0.9 | 165.0 | 1.75 | 0.611 |
| -0.9 | 195.0 | 0.997 | 0.344 |
| -0.9 | 225.0 | 3.15 | 0.993 |
| -0.9 | 255.0 | 1.66 | 0.492 |
| -0.9 | 285.0 | 1.62 | 0.416 |
| -0.9 | 315.0 | 1.13 | 0.33 |
| -0.9 | 345.0 | 1.66 | 0.479 |
| -0.7 | 15.0 | 1.9 | 0.405 |
| -0.7 | 45.0 | 2.31 | 0.48 |
| -0.7 | 75.0 | 2.92 | 0.695 |
| -0.7 | 105.0 | 1.77 | 0.441 |
| -0.7 | 135.0 | 1.54 | 0.495 |
| -0.7 | 165.0 | 1.21 | 0.358 |
| -0.7 | 195.0 | 1.27 | 0.367 |
| -0.7 | 225.0 | 2.66 | 0.762 |
| -0.7 | 255.0 | 2.2 | 0.594 |
| -0.7 | 285.0 | 1.86 | 0.455 |
| -0.7 | 315.0 | 3.06 | 0.64 |
| -0.7 | 345.0 | 2.53 | 0.597 |
| -0.5 | 15.0 | 2.27 | 0.52 |
| -0.5 | 45.0 | 3.27 | 0.66 |
| -0.5 | 75.0 | 2.74 | 0.612 |
| -0.5 | 105.0 | 3.48 | 0.802 |
| -0.5 | 135.0 | 3.42 | 0.798 |
| -0.5 | 165.0 | 1.61 | 0.459 |
| -0.5 | 195.0 | 1.4 | 0.377 |
| -0.5 | 225.0 | 3.44 | 0.76 |
| -0.5 | 255.0 | 3.49 | 0.83 |
| -0.5 | 285.0 | 4.29 | 0.937 |
| -0.5 | 315.0 | 2.68 | 0.542 |
| -0.5 | 345.0 | 2.57 | 0.581 |
| -0.3 | 15.0 | 4.13 | 0.832 |
| -0.3 | 45.0 | 2.14 | 0.456 |
| -0.3 | 75.0 | 3.12 | 0.663 |
| -0.3 | 105.0 | 2.81 | 0.655 |
| -0.3 | 135.0 | 2.82 | 0.724 |
| -0.3 | 165.0 | 2.88 | 0.714 |
| -0.3 | 195.0 | 1.49 | 0.363 |
| -0.3 | 225.0 | 2.96 | 0.803 |
| -0.3 | 255.0 | 3.72 | 0.765 |
| -0.3 | 285.0 | 4.39 | 0.883 |
| -0.3 | 315.0 | 4.33 | 0.826 |
| -0.3 | 345.0 | 1.9 | 0.395 |
| -0.1 | 15.0 | 2.03 | 0.44 |
| -0.1 | 45.0 | 2.39 | 0.504 |
| -0.1 | 75.0 | 3.14 | 0.659 |
| -0.1 | 105.0 | 3.75 | 0.923 |
| -0.1 | 135.0 | 2.13 | 0.501 |
| -0.1 | 165.0 | 1.41 | 0.357 |
| -0.1 | 195.0 | 1.87 | 0.5 |
| -0.1 | 225.0 | 4.55 | 1.12 |
| -0.1 | 255.0 | 4.25 | 0.903 |
| -0.1 | 285.0 | 3.95 | 0.737 |
| -0.1 | 315.0 | 3.26 | 0.649 |
| -0.1 | 345.0 | 2.17 | 0.453 |
| 0.1 | 15.0 | 3.07 | 0.623 |
| 0.1 | 45.0 | 3.53 | 0.748 |
| 0.1 | 75.0 | 4.88 | 0.955 |
| 0.1 | 105.0 | 6.25 | 1.42 |
| 0.1 | 135.0 | 2.76 | 0.702 |
| 0.1 | 165.0 | 2.12 | 0.473 |
| 0.1 | 195.0 | 3.37 | 0.772 |
| 0.1 | 225.0 | 2.26 | 0.651 |
| 0.1 | 255.0 | 4.3 | 0.984 |
| 0.1 | 285.0 | 4.12 | 0.717 |
| 0.1 | 315.0 | 5.05 | 0.984 |
| 0.1 | 345.0 | 2.98 | 0.61 |
| 0.3 | 15.0 | 1.87 | 0.427 |
| 0.3 | 45.0 | 3.45 | 0.755 |
| 0.3 | 75.0 | 4.46 | 0.945 |
| 0.3 | 105.0 | 6.17 | 1.36 |
| 0.3 | 135.0 | 3.56 | 0.877 |
| 0.3 | 165.0 | 3.71 | 0.835 |
| 0.3 | 195.0 | 2.18 | 0.503 |
| 0.3 | 225.0 | 4.68 | 1.1 |
| 0.3 | 255.0 | 8.81 | 1.76 |
| 0.3 | 285.0 | 3.47 | 0.674 |
| 0.3 | 315.0 | 2.2 | 0.492 |
| 0.3 | 345.0 | 2.45 | 0.51 |
| 0.5 | 15.0 | 1.5 | 0.347 |
| 0.5 | 45.0 | 3.22 | 0.71 |
| 0.5 | 75.0 | 2.4 | 0.572 |
| 0.5 | 105.0 | 5.6 | 1.11 |
| 0.5 | 135.0 | 2.72 | 0.692 |
| 0.5 | 165.0 | 2.73 | 0.636 |
| 0.5 | 195.0 | 2.12 | 0.526 |
| 0.5 | 225.0 | 3.19 | 0.776 |
| 0.5 | 255.0 | 4.85 | 1.1 |
| 0.5 | 285.0 | 4.5 | 0.986 |
| 0.5 | 315.0 | 2.47 | 0.589 |
| 0.5 | 345.0 | 1.91 | 0.496 |
| 0.7 | 15.0 | 1.52 | 0.391 |
| 0.7 | 45.0 | 1.27 | 0.356 |
| 0.7 | 75.0 | 3.2 | 0.71 |
| 0.7 | 105.0 | 3.54 | 0.871 |
| 0.7 | 135.0 | 1.41 | 0.425 |
| 0.7 | 165.0 | 2.82 | 0.691 |
| 0.7 | 195.0 | 2.76 | 0.66 |
| 0.7 | 225.0 | 3.36 | 0.905 |
| 0.7 | 255.0 | 3.51 | 0.859 |
| 0.7 | 285.0 | 3.92 | 1.0 |
| 0.7 | 315.0 | 2.04 | 0.515 |
| 0.7 | 345.0 | 1.75 | 0.465 |
| 0.9 | 15.0 | 0.705 | 0.264 |
| 0.9 | 45.0 | 1.91 | 0.662 |
| 0.9 | 75.0 | 2.08 | 0.672 |
| 0.9 | 105.0 | 3.48 | 1.29 |
| 0.9 | 135.0 | 3.02 | 0.863 |
| 0.9 | 165.0 | 3.2 | 1.05 |
| 0.9 | 195.0 | 1.53 | 0.482 |
| 0.9 | 225.0 | 2.97 | 1.03 |
| 0.9 | 255.0 | 2.36 | 0.705 |
| 0.9 | 285.0 | 1.56 | 0.516 |
| 0.9 | 315.0 | 1.51 | 0.491 |
| 0.9 | 345.0 | 1.57 | 0.458 |
Experiment comment: