Measurement E9M215
| 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: | 1.52 GeV | |
| ε: | 0.738 | |
| 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 | 0.424 | 0.16 |
| -0.9 | 45.0 | 0.965 | 0.368 |
| -0.9 | 75.0 | 0.809 | 0.271 |
| -0.9 | 105.0 | 0.887 | 0.435 |
| -0.9 | 135.0 | 1.11 | 0.436 |
| -0.9 | 165.0 | 2.76 | 0.969 |
| -0.9 | 195.0 | 0.939 | 0.357 |
| -0.9 | 225.0 | 0.496 | 0.226 |
| -0.9 | 255.0 | 0.56 | 0.318 |
| -0.9 | 285.0 | 0.466 | 0.229 |
| -0.9 | 315.0 | 0.549 | 0.231 |
| -0.9 | 345.0 | 0.25 | 0.12 |
| -0.7 | 15.0 | 0.536 | 0.189 |
| -0.7 | 45.0 | 0.812 | 0.299 |
| -0.7 | 75.0 | 1.56 | 0.677 |
| -0.7 | 105.0 | 0.501 | 0.374 |
| -0.7 | 135.0 | 2.37 | 1.74 |
| -0.7 | 165.0 | 0.912 | 0.418 |
| -0.7 | 195.0 | 4.21 | 1.96 |
| -0.7 | 255.0 | 0.22 | 0.226 |
| -0.7 | 285.0 | 1.04 | 0.484 |
| -0.7 | 315.0 | 1.77 | 0.501 |
| -0.7 | 345.0 | 1.06 | 0.343 |
| -0.5 | 15.0 | 0.867 | 0.244 |
| -0.5 | 45.0 | 1.1 | 0.38 |
| -0.5 | 75.0 | 3.49 | 1.29 |
| -0.5 | 105.0 | 1.52 | 0.481 |
| -0.5 | 135.0 | 1.85 | 0.797 |
| -0.5 | 195.0 | 1.76 | 2.16 |
| -0.5 | 225.0 | 2.17 | 0.953 |
| -0.5 | 255.0 | 4.16 | 1.18 |
| -0.5 | 285.0 | 1.47 | 0.924 |
| -0.5 | 315.0 | 2.09 | 0.631 |
| -0.5 | 345.0 | 0.824 | 0.22 |
| -0.3 | 15.0 | 0.84 | 0.232 |
| -0.3 | 45.0 | 1.33 | 0.368 |
| -0.3 | 75.0 | 1.59 | 0.542 |
| -0.3 | 105.0 | 3.58 | 0.689 |
| -0.3 | 135.0 | 3.86 | 0.724 |
| -0.3 | 165.0 | 7.88 | 7.21 |
| -0.3 | 195.0 | 2.37 | 1.99 |
| -0.3 | 225.0 | 2.92 | 0.61 |
| -0.3 | 255.0 | 2.17 | 0.456 |
| -0.3 | 285.0 | 3.85 | 1.09 |
| -0.3 | 315.0 | 2.47 | 0.672 |
| -0.3 | 345.0 | 1.69 | 0.419 |
| -0.1 | 15.0 | 1.24 | 0.558 |
| -0.1 | 45.0 | 1.65 | 0.485 |
| -0.1 | 75.0 | 4.51 | 1.05 |
| -0.1 | 105.0 | 3.13 | 0.494 |
| -0.1 | 135.0 | 3.23 | 0.586 |
| -0.1 | 165.0 | 9.31 | 6.03 |
| -0.1 | 195.0 | 5.15 | 3.27 |
| -0.1 | 225.0 | 3.04 | 0.588 |
| -0.1 | 255.0 | 3.46 | 0.571 |
| -0.1 | 285.0 | 2.57 | 0.634 |
| -0.1 | 315.0 | 2.03 | 0.775 |
| -0.1 | 345.0 | 2.32 | 0.865 |
| 0.1 | 15.0 | 1.89 | 0.841 |
| 0.1 | 45.0 | 2.31 | 0.64 |
| 0.1 | 75.0 | 2.67 | 0.573 |
| 0.1 | 105.0 | 4.53 | 0.722 |
| 0.1 | 135.0 | 3.38 | 0.821 |
| 0.1 | 225.0 | 2.66 | 0.604 |
| 0.1 | 255.0 | 3.68 | 0.613 |
| 0.1 | 285.0 | 2.06 | 0.416 |
| 0.1 | 315.0 | 2.62 | 0.904 |
| 0.1 | 345.0 | 3.01 | 1.24 |
| 0.3 | 15.0 | 2.49 | 0.917 |
| 0.3 | 45.0 | 1.95 | 0.518 |
| 0.3 | 75.0 | 2.13 | 0.473 |
| 0.3 | 105.0 | 3.46 | 0.589 |
| 0.3 | 135.0 | 2.21 | 0.81 |
| 0.3 | 225.0 | 2.39 | 0.665 |
| 0.3 | 255.0 | 3.25 | 0.531 |
| 0.3 | 285.0 | 2.58 | 0.491 |
| 0.3 | 315.0 | 1.48 | 0.538 |
| 0.3 | 345.0 | 1.21 | 0.478 |
| 0.5 | 15.0 | 0.652 | 0.354 |
| 0.5 | 45.0 | 1.84 | 0.58 |
| 0.5 | 75.0 | 2.69 | 0.506 |
| 0.5 | 105.0 | 2.62 | 0.534 |
| 0.5 | 135.0 | 0.412 | 0.3 |
| 0.5 | 165.0 | 2.14 | 1.52 |
| 0.5 | 225.0 | 1.28 | 0.497 |
| 0.5 | 255.0 | 1.7 | 0.345 |
| 0.5 | 285.0 | 2.43 | 0.495 |
| 0.5 | 315.0 | 1.01 | 0.386 |
| 0.5 | 345.0 | 1.39 | 0.495 |
| 0.7 | 15.0 | 1.91 | 0.84 |
| 0.7 | 45.0 | 1.22 | 0.422 |
| 0.7 | 75.0 | 1.33 | 0.335 |
| 0.7 | 105.0 | 1.58 | 0.337 |
| 0.7 | 135.0 | 1.62 | 0.826 |
| 0.7 | 195.0 | 3.77 | 3.78 |
| 0.7 | 225.0 | 1.9 | 0.995 |
| 0.7 | 255.0 | 1.26 | 0.314 |
| 0.7 | 285.0 | 2.17 | 0.425 |
| 0.7 | 315.0 | 1.2 | 0.473 |
| 0.7 | 345.0 | 2.57 | 1.34 |
| 0.9 | 15.0 | 0.266 | 0.131 |
| 0.9 | 45.0 | 0.407 | 0.171 |
| 0.9 | 75.0 | 0.965 | 0.371 |
| 0.9 | 105.0 | 0.581 | 0.228 |
| 0.9 | 135.0 | 0.598 | 0.33 |
| 0.9 | 225.0 | 0.805 | 0.449 |
| 0.9 | 255.0 | 0.729 | 0.284 |
| 0.9 | 285.0 | 0.645 | 0.319 |
| 0.9 | 315.0 | 0.141 | 0.104 |
| 0.9 | 345.0 | 1.6 | 0.742 |
Experiment comment: