Measurement E9M68
| 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: | 1.26 GeV | |
| ε: | 0.558 | |
| 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 | 0.63 | 0.268 |
| -0.9 | 45.0 | 0.599 | 0.26 |
| -0.9 | 75.0 | 0.568 | 0.358 |
| -0.9 | 105.0 | 0.26 | 0.144 |
| -0.9 | 135.0 | 2.21 | 0.951 |
| -0.9 | 165.0 | 0.67 | 0.295 |
| -0.9 | 195.0 | 0.419 | 0.273 |
| -0.9 | 225.0 | 0.274 | 0.173 |
| -0.9 | 255.0 | 0.534 | 0.303 |
| -0.9 | 285.0 | 0.719 | 0.339 |
| -0.9 | 315.0 | 0.596 | 0.273 |
| -0.9 | 345.0 | 0.529 | 0.248 |
| -0.7 | 15.0 | 1.8 | 0.617 |
| -0.7 | 45.0 | 1.67 | 0.621 |
| -0.7 | 75.0 | 1.96 | 0.703 |
| -0.7 | 105.0 | 2.55 | 0.983 |
| -0.7 | 135.0 | 2.23 | 0.962 |
| -0.7 | 165.0 | 2.06 | 0.941 |
| -0.7 | 195.0 | 0.869 | 0.39 |
| -0.7 | 225.0 | 1.1 | 0.407 |
| -0.7 | 255.0 | 1.13 | 0.483 |
| -0.7 | 285.0 | 3.11 | 1.05 |
| -0.7 | 315.0 | 1.09 | 0.495 |
| -0.7 | 345.0 | 1.08 | 0.472 |
| -0.5 | 15.0 | 0.988 | 0.297 |
| -0.5 | 45.0 | 1.93 | 0.572 |
| -0.5 | 75.0 | 2.4 | 0.747 |
| -0.5 | 105.0 | 1.64 | 0.586 |
| -0.5 | 135.0 | 1.5 | 0.568 |
| -0.5 | 165.0 | 0.886 | 0.375 |
| -0.5 | 195.0 | 0.697 | 0.329 |
| -0.5 | 225.0 | 0.856 | 0.292 |
| -0.5 | 255.0 | 1.92 | 0.674 |
| -0.5 | 285.0 | 0.782 | 0.376 |
| -0.5 | 315.0 | 1.78 | 0.549 |
| -0.5 | 345.0 | 0.873 | 0.331 |
| -0.3 | 15.0 | 1.03 | 0.333 |
| -0.3 | 45.0 | 0.788 | 0.306 |
| -0.3 | 75.0 | 1.87 | 0.559 |
| -0.3 | 105.0 | 1.88 | 0.604 |
| -0.3 | 135.0 | 1.16 | 0.452 |
| -0.3 | 165.0 | 0.988 | 0.421 |
| -0.3 | 195.0 | 1.44 | 0.62 |
| -0.3 | 225.0 | 1.8 | 0.737 |
| -0.3 | 255.0 | 1.47 | 0.504 |
| -0.3 | 285.0 | 2.21 | 0.798 |
| -0.3 | 315.0 | 1.18 | 0.348 |
| -0.3 | 345.0 | 0.608 | 0.217 |
| -0.1 | 15.0 | 1.88 | 0.498 |
| -0.1 | 45.0 | 1.47 | 0.415 |
| -0.1 | 75.0 | 1.91 | 0.601 |
| -0.1 | 105.0 | 2.32 | 0.668 |
| -0.1 | 135.0 | 2.77 | 0.974 |
| -0.1 | 165.0 | 2.01 | 0.673 |
| -0.1 | 195.0 | 0.931 | 0.344 |
| -0.1 | 225.0 | 1.49 | 0.59 |
| -0.1 | 255.0 | 2.38 | 0.722 |
| -0.1 | 285.0 | 2.32 | 0.652 |
| -0.1 | 315.0 | 0.902 | 0.368 |
| -0.1 | 345.0 | 3.06 | 0.854 |
| 0.1 | 15.0 | 0.757 | 0.23 |
| 0.1 | 45.0 | 2.02 | 0.623 |
| 0.1 | 75.0 | 5.72 | 1.77 |
| 0.1 | 105.0 | 0.943 | 0.365 |
| 0.1 | 135.0 | 1.28 | 0.548 |
| 0.1 | 165.0 | 1.08 | 0.4 |
| 0.1 | 195.0 | 1.41 | 0.556 |
| 0.1 | 225.0 | 1.31 | 0.59 |
| 0.1 | 255.0 | 1.43 | 0.53 |
| 0.1 | 285.0 | 3.91 | 1.37 |
| 0.1 | 315.0 | 2.02 | 0.664 |
| 0.1 | 345.0 | 0.876 | 0.304 |
| 0.3 | 15.0 | 1.13 | 0.369 |
| 0.3 | 45.0 | 1.04 | 0.298 |
| 0.3 | 75.0 | 2.33 | 0.778 |
| 0.3 | 105.0 | 3.24 | 0.954 |
| 0.3 | 135.0 | 1.08 | 0.449 |
| 0.3 | 165.0 | 1.77 | 0.666 |
| 0.3 | 195.0 | 1.96 | 0.66 |
| 0.3 | 225.0 | 2.71 | 1.21 |
| 0.3 | 255.0 | 2.29 | 0.755 |
| 0.3 | 285.0 | 4.68 | 1.32 |
| 0.3 | 315.0 | 3.39 | 1.1 |
| 0.3 | 345.0 | 1.14 | 0.418 |
| 0.5 | 15.0 | 1.0 | 0.399 |
| 0.5 | 45.0 | 0.721 | 0.281 |
| 0.5 | 75.0 | 1.16 | 0.414 |
| 0.5 | 105.0 | 2.18 | 0.733 |
| 0.5 | 135.0 | 1.7 | 0.655 |
| 0.5 | 165.0 | 1.84 | 0.623 |
| 0.5 | 195.0 | 1.45 | 0.507 |
| 0.5 | 225.0 | 2.2 | 0.869 |
| 0.5 | 255.0 | 0.713 | 0.344 |
| 0.5 | 285.0 | 2.25 | 0.721 |
| 0.5 | 315.0 | 1.19 | 0.394 |
| 0.5 | 345.0 | 1.63 | 0.584 |
| 0.7 | 15.0 | 1.49 | 0.527 |
| 0.7 | 45.0 | 0.545 | 0.299 |
| 0.7 | 75.0 | 1.46 | 0.529 |
| 0.7 | 105.0 | 3.68 | 1.39 |
| 0.7 | 135.0 | 2.2 | 0.853 |
| 0.7 | 165.0 | 0.798 | 0.331 |
| 0.7 | 195.0 | 2.04 | 0.784 |
| 0.7 | 225.0 | 1.74 | 0.693 |
| 0.7 | 255.0 | 3.08 | 1.11 |
| 0.7 | 285.0 | 1.52 | 0.554 |
| 0.7 | 315.0 | 3.12 | 1.12 |
| 0.7 | 345.0 | 1.43 | 0.449 |
| 0.9 | 15.0 | 0.675 | 0.391 |
| 0.9 | 45.0 | 2.29 | 1.09 |
| 0.9 | 75.0 | 1.97 | 0.876 |
| 0.9 | 105.0 | 0.953 | 0.479 |
| 0.9 | 135.0 | 1.69 | 0.894 |
| 0.9 | 165.0 | 1.25 | 0.596 |
| 0.9 | 195.0 | 0.95 | 0.526 |
| 0.9 | 225.0 | 1.68 | 0.91 |
| 0.9 | 255.0 | 1.17 | 0.521 |
| 0.9 | 285.0 | 1.56 | 0.719 |
| 0.9 | 315.0 | 0.254 | 0.146 |
| 0.9 | 345.0 | 0.751 | 0.357 |
Experiment comment: