Measurement E9M69
| 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: | 1.28 GeV | |
| ε: | 0.545 | |
| 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 | 0.46 | 0.261 |
| -0.9 | 45.0 | 0.527 | 0.307 |
| -0.9 | 75.0 | 0.603 | 0.291 |
| -0.9 | 105.0 | 1.36 | 0.843 |
| -0.9 | 135.0 | 0.144 | 0.11 |
| -0.9 | 165.0 | 1.37 | 0.807 |
| -0.9 | 195.0 | 0.444 | 0.235 |
| -0.9 | 225.0 | 0.377 | 0.239 |
| -0.9 | 255.0 | 0.798 | 0.412 |
| -0.9 | 285.0 | 0.424 | 0.237 |
| -0.9 | 315.0 | 1.02 | 0.505 |
| -0.9 | 345.0 | 0.767 | 0.407 |
| -0.7 | 15.0 | 1.76 | 0.635 |
| -0.7 | 45.0 | 0.438 | 0.188 |
| -0.7 | 75.0 | 2.09 | 0.955 |
| -0.7 | 105.0 | 1.81 | 0.92 |
| -0.7 | 135.0 | 0.472 | 0.279 |
| -0.7 | 165.0 | 0.795 | 0.329 |
| -0.7 | 195.0 | 0.401 | 0.256 |
| -0.7 | 225.0 | 1.14 | 0.481 |
| -0.7 | 255.0 | 1.21 | 0.503 |
| -0.7 | 285.0 | 0.736 | 0.269 |
| -0.7 | 315.0 | 0.507 | 0.277 |
| -0.7 | 345.0 | 0.785 | 0.339 |
| -0.5 | 15.0 | 0.705 | 0.277 |
| -0.5 | 45.0 | 1.52 | 0.623 |
| -0.5 | 75.0 | 1.12 | 0.408 |
| -0.5 | 105.0 | 0.659 | 0.352 |
| -0.5 | 135.0 | 1.04 | 0.451 |
| -0.5 | 165.0 | 0.266 | 0.165 |
| -0.5 | 195.0 | 1.44 | 0.605 |
| -0.5 | 225.0 | 2.23 | 0.963 |
| -0.5 | 255.0 | 0.803 | 0.336 |
| -0.5 | 285.0 | 0.957 | 0.385 |
| -0.5 | 315.0 | 1.66 | 0.573 |
| -0.5 | 345.0 | 0.73 | 0.266 |
| -0.3 | 15.0 | 0.618 | 0.203 |
| -0.3 | 45.0 | 2.06 | 0.756 |
| -0.3 | 75.0 | 3.12 | 0.89 |
| -0.3 | 105.0 | 2.07 | 0.703 |
| -0.3 | 135.0 | 1.98 | 0.703 |
| -0.3 | 165.0 | 0.863 | 0.341 |
| -0.3 | 195.0 | 0.0746 | 0.0761 |
| -0.3 | 225.0 | 0.773 | 0.387 |
| -0.3 | 255.0 | 0.86 | 0.292 |
| -0.3 | 285.0 | 1.17 | 0.445 |
| -0.3 | 315.0 | 1.97 | 0.704 |
| -0.3 | 345.0 | 0.791 | 0.223 |
| -0.1 | 15.0 | 1.63 | 0.536 |
| -0.1 | 45.0 | 1.95 | 0.623 |
| -0.1 | 75.0 | 2.97 | 0.886 |
| -0.1 | 105.0 | 1.41 | 0.529 |
| -0.1 | 135.0 | 1.0 | 0.475 |
| -0.1 | 165.0 | 1.5 | 0.588 |
| -0.1 | 195.0 | 0.6 | 0.325 |
| -0.1 | 225.0 | 0.789 | 0.451 |
| -0.1 | 255.0 | 1.25 | 0.566 |
| -0.1 | 285.0 | 0.715 | 0.296 |
| -0.1 | 315.0 | 1.71 | 0.535 |
| -0.1 | 345.0 | 1.09 | 0.341 |
| 0.1 | 15.0 | 2.83 | 0.919 |
| 0.1 | 45.0 | 1.7 | 0.579 |
| 0.1 | 75.0 | 2.03 | 0.784 |
| 0.1 | 105.0 | 2.99 | 1.16 |
| 0.1 | 135.0 | 0.496 | 0.302 |
| 0.1 | 165.0 | 2.32 | 1.11 |
| 0.1 | 195.0 | 1.33 | 0.549 |
| 0.1 | 225.0 | 2.57 | 1.05 |
| 0.1 | 255.0 | 2.84 | 0.988 |
| 0.1 | 285.0 | 2.7 | 0.748 |
| 0.1 | 315.0 | 1.22 | 0.412 |
| 0.1 | 345.0 | 2.55 | 0.828 |
| 0.3 | 15.0 | 1.07 | 0.394 |
| 0.3 | 45.0 | 1.15 | 0.383 |
| 0.3 | 75.0 | 1.76 | 0.569 |
| 0.3 | 105.0 | 1.35 | 0.422 |
| 0.3 | 135.0 | 1.43 | 0.671 |
| 0.3 | 165.0 | 1.18 | 0.489 |
| 0.3 | 195.0 | 1.14 | 0.532 |
| 0.3 | 225.0 | 0.924 | 0.402 |
| 0.3 | 255.0 | 4.13 | 1.54 |
| 0.3 | 285.0 | 2.44 | 0.776 |
| 0.3 | 315.0 | 1.45 | 0.494 |
| 0.3 | 345.0 | 0.888 | 0.338 |
| 0.5 | 15.0 | 1.28 | 0.473 |
| 0.5 | 45.0 | 2.23 | 0.856 |
| 0.5 | 75.0 | 2.27 | 0.663 |
| 0.5 | 105.0 | 1.41 | 0.8 |
| 0.5 | 135.0 | 0.465 | 0.356 |
| 0.5 | 165.0 | 4.41 | 2.03 |
| 0.5 | 195.0 | 2.43 | 1.04 |
| 0.5 | 225.0 | 0.774 | 0.401 |
| 0.5 | 255.0 | 1.82 | 0.727 |
| 0.5 | 285.0 | 1.74 | 0.636 |
| 0.5 | 315.0 | 1.72 | 0.67 |
| 0.5 | 345.0 | 1.12 | 0.411 |
| 0.7 | 15.0 | 0.494 | 0.23 |
| 0.7 | 45.0 | 0.783 | 0.332 |
| 0.7 | 75.0 | 1.35 | 0.544 |
| 0.7 | 105.0 | 3.1 | 1.1 |
| 0.7 | 135.0 | 1.64 | 0.788 |
| 0.7 | 165.0 | 0.647 | 0.297 |
| 0.7 | 195.0 | 1.19 | 0.503 |
| 0.7 | 225.0 | 2.17 | 0.926 |
| 0.7 | 255.0 | 1.39 | 0.664 |
| 0.7 | 285.0 | 1.02 | 0.453 |
| 0.7 | 315.0 | 0.697 | 0.306 |
| 0.7 | 345.0 | 0.292 | 0.136 |
| 0.9 | 45.0 | 0.329 | 0.158 |
| 0.9 | 75.0 | 0.714 | 0.471 |
| 0.9 | 105.0 | 0.51 | 0.418 |
| 0.9 | 135.0 | 2.56 | 1.27 |
| 0.9 | 165.0 | 2.47 | 1.22 |
| 0.9 | 195.0 | 0.868 | 0.531 |
| 0.9 | 225.0 | 0.475 | 0.28 |
| 0.9 | 255.0 | 1.36 | 0.667 |
| 0.9 | 285.0 | 0.572 | 0.287 |
| 0.9 | 315.0 | 1.17 | 0.552 |
| 0.9 | 345.0 | 0.463 | 0.271 |
Experiment comment: