Measurement E9M42
| 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: | 1.32 GeV | |
| ε: | 0.637 | |
| 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 | 0.108 | 0.0808 |
| -0.9 | 45.0 | 0.281 | 0.154 |
| -0.9 | 75.0 | 2.01 | 0.69 |
| -0.9 | 105.0 | 0.467 | 0.163 |
| -0.9 | 135.0 | 0.699 | 0.257 |
| -0.9 | 165.0 | 0.938 | 0.493 |
| -0.9 | 195.0 | 0.608 | 0.242 |
| -0.9 | 225.0 | 1.63 | 0.751 |
| -0.9 | 255.0 | 0.628 | 0.302 |
| -0.9 | 285.0 | 0.479 | 0.22 |
| -0.9 | 315.0 | 0.631 | 0.266 |
| -0.9 | 345.0 | 0.68 | 0.26 |
| -0.7 | 15.0 | 0.412 | 0.161 |
| -0.7 | 45.0 | 0.823 | 0.232 |
| -0.7 | 75.0 | 0.836 | 0.263 |
| -0.7 | 105.0 | 1.02 | 0.306 |
| -0.7 | 135.0 | 1.71 | 0.535 |
| -0.7 | 165.0 | 1.11 | 0.396 |
| -0.7 | 195.0 | 0.834 | 0.279 |
| -0.7 | 225.0 | 0.451 | 0.206 |
| -0.7 | 255.0 | 2.66 | 0.854 |
| -0.7 | 285.0 | 0.485 | 0.234 |
| -0.7 | 315.0 | 2.03 | 0.654 |
| -0.7 | 345.0 | 1.04 | 0.373 |
| -0.5 | 15.0 | 1.17 | 0.308 |
| -0.5 | 45.0 | 1.46 | 0.397 |
| -0.5 | 75.0 | 3.64 | 0.882 |
| -0.5 | 105.0 | 1.57 | 0.473 |
| -0.5 | 135.0 | 1.95 | 0.684 |
| -0.5 | 165.0 | 1.32 | 0.447 |
| -0.5 | 195.0 | 0.876 | 0.279 |
| -0.5 | 225.0 | 1.52 | 0.631 |
| -0.5 | 255.0 | 1.67 | 0.547 |
| -0.5 | 285.0 | 2.54 | 0.716 |
| -0.5 | 315.0 | 1.31 | 0.335 |
| -0.5 | 345.0 | 0.982 | 0.345 |
| -0.3 | 15.0 | 1.53 | 0.377 |
| -0.3 | 45.0 | 0.913 | 0.221 |
| -0.3 | 75.0 | 1.48 | 0.418 |
| -0.3 | 105.0 | 1.83 | 0.544 |
| -0.3 | 135.0 | 1.22 | 0.524 |
| -0.3 | 165.0 | 0.712 | 0.257 |
| -0.3 | 195.0 | 1.7 | 0.571 |
| -0.3 | 225.0 | 0.824 | 0.375 |
| -0.3 | 255.0 | 2.24 | 0.678 |
| -0.3 | 285.0 | 1.34 | 0.404 |
| -0.3 | 315.0 | 2.18 | 0.541 |
| -0.3 | 345.0 | 1.21 | 0.342 |
| -0.1 | 15.0 | 0.949 | 0.285 |
| -0.1 | 45.0 | 1.65 | 0.453 |
| -0.1 | 75.0 | 1.96 | 0.516 |
| -0.1 | 105.0 | 2.11 | 0.574 |
| -0.1 | 135.0 | 0.638 | 0.31 |
| -0.1 | 165.0 | 3.38 | 1.46 |
| -0.1 | 195.0 | 0.496 | 0.243 |
| -0.1 | 225.0 | 4.1 | 1.24 |
| -0.1 | 255.0 | 4.5 | 1.2 |
| -0.1 | 285.0 | 4.05 | 0.905 |
| -0.1 | 315.0 | 2.01 | 0.477 |
| -0.1 | 345.0 | 1.2 | 0.339 |
| 0.1 | 15.0 | 1.33 | 0.367 |
| 0.1 | 45.0 | 1.58 | 0.411 |
| 0.1 | 75.0 | 3.71 | 0.884 |
| 0.1 | 105.0 | 2.59 | 0.73 |
| 0.1 | 135.0 | 1.84 | 0.721 |
| 0.1 | 165.0 | 0.639 | 0.317 |
| 0.1 | 195.0 | 1.5 | 0.59 |
| 0.1 | 225.0 | 2.04 | 0.68 |
| 0.1 | 255.0 | 1.91 | 0.552 |
| 0.1 | 285.0 | 2.14 | 0.545 |
| 0.1 | 315.0 | 1.57 | 0.377 |
| 0.1 | 345.0 | 2.44 | 0.634 |
| 0.3 | 15.0 | 0.633 | 0.187 |
| 0.3 | 45.0 | 1.23 | 0.343 |
| 0.3 | 75.0 | 0.958 | 0.294 |
| 0.3 | 105.0 | 3.37 | 0.905 |
| 0.3 | 135.0 | 3.79 | 1.3 |
| 0.3 | 165.0 | 0.576 | 0.27 |
| 0.3 | 195.0 | 1.57 | 0.609 |
| 0.3 | 225.0 | 3.44 | 1.46 |
| 0.3 | 255.0 | 2.05 | 0.68 |
| 0.3 | 285.0 | 1.37 | 0.352 |
| 0.3 | 315.0 | 1.77 | 0.451 |
| 0.3 | 345.0 | 1.44 | 0.38 |
| 0.5 | 15.0 | 0.582 | 0.218 |
| 0.5 | 45.0 | 1.96 | 0.494 |
| 0.5 | 75.0 | 1.43 | 0.426 |
| 0.5 | 105.0 | 0.868 | 0.301 |
| 0.5 | 135.0 | 1.18 | 0.494 |
| 0.5 | 165.0 | 1.69 | 0.68 |
| 0.5 | 195.0 | 2.33 | 1.02 |
| 0.5 | 225.0 | 1.92 | 0.78 |
| 0.5 | 255.0 | 0.921 | 0.333 |
| 0.5 | 285.0 | 1.53 | 0.444 |
| 0.5 | 315.0 | 1.05 | 0.334 |
| 0.5 | 345.0 | 1.63 | 0.482 |
| 0.7 | 15.0 | 0.551 | 0.208 |
| 0.7 | 45.0 | 1.54 | 0.492 |
| 0.7 | 75.0 | 1.17 | 0.447 |
| 0.7 | 105.0 | 0.745 | 0.303 |
| 0.7 | 135.0 | 1.17 | 0.507 |
| 0.7 | 165.0 | 1.82 | 0.773 |
| 0.7 | 195.0 | 0.853 | 0.298 |
| 0.7 | 225.0 | 0.978 | 0.41 |
| 0.7 | 255.0 | 1.72 | 0.566 |
| 0.7 | 285.0 | 1.34 | 0.464 |
| 0.7 | 315.0 | 0.723 | 0.241 |
| 0.7 | 345.0 | 0.961 | 0.326 |
| 0.9 | 15.0 | 0.687 | 0.328 |
| 0.9 | 45.0 | 0.383 | 0.164 |
| 0.9 | 75.0 | 0.438 | 0.168 |
| 0.9 | 105.0 | 0.713 | 0.297 |
| 0.9 | 135.0 | 1.33 | 0.704 |
| 0.9 | 165.0 | 0.319 | 0.167 |
| 0.9 | 195.0 | 1.76 | 0.766 |
| 0.9 | 225.0 | 2.68 | 1.39 |
| 0.9 | 255.0 | 0.434 | 0.177 |
| 0.9 | 285.0 | 1.08 | 0.529 |
| 0.9 | 315.0 | 0.941 | 0.36 |
| 0.9 | 345.0 | 0.527 | 0.283 |
Experiment comment: