Measurement E9M79
| 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: | 0.45 — 0.6 GeV2 | |
| W: | 1.1 GeV | |
| ε: | 0.833 | |
| 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 | 0.601 | 0.429 |
| -0.9 | 45.0 | 0.125 | 0.136 |
| -0.9 | 75.0 | 0.227 | 0.188 |
| -0.9 | 105.0 | 0.172 | 0.185 |
| -0.9 | 135.0 | 0.407 | 0.271 |
| -0.9 | 165.0 | 1.18 | 0.812 |
| -0.9 | 195.0 | 1.01 | 0.491 |
| -0.9 | 225.0 | 0.763 | 0.515 |
| -0.9 | 255.0 | 0.651 | 0.466 |
| -0.9 | 285.0 | 4.49 | 3.33 |
| -0.9 | 315.0 | 0.376 | 0.434 |
| -0.9 | 345.0 | 2.55 | 2.55 |
| -0.7 | 15.0 | 1.14 | 1.02 |
| -0.7 | 45.0 | 0.583 | 0.399 |
| -0.7 | 75.0 | 8.27 | 8.99 |
| -0.7 | 105.0 | 0.361 | 0.392 |
| -0.7 | 135.0 | 0.788 | 0.452 |
| -0.7 | 165.0 | 1.73 | 0.717 |
| -0.7 | 195.0 | 1.75 | 0.867 |
| -0.7 | 225.0 | 3.89 | 1.79 |
| -0.7 | 255.0 | 0.553 | 0.478 |
| -0.7 | 285.0 | 0.259 | 0.171 |
| -0.7 | 315.0 | 0.487 | 0.416 |
| -0.7 | 345.0 | 0.364 | 0.487 |
| -0.5 | 15.0 | 0.398 | 0.298 |
| -0.5 | 45.0 | 1.18 | 0.723 |
| -0.5 | 75.0 | 0.223 | 0.175 |
| -0.5 | 105.0 | 2.48 | 1.11 |
| -0.5 | 135.0 | 1.47 | 0.891 |
| -0.5 | 165.0 | 0.713 | 0.453 |
| -0.5 | 195.0 | 1.87 | 0.706 |
| -0.5 | 225.0 | 1.15 | 0.537 |
| -0.5 | 255.0 | 2.56 | 1.02 |
| -0.5 | 285.0 | 0.666 | 0.315 |
| -0.5 | 315.0 | 0.835 | 0.585 |
| -0.5 | 345.0 | 0.0725 | 0.0762 |
| -0.3 | 15.0 | 0.359 | 0.196 |
| -0.3 | 45.0 | 2.14 | 1.01 |
| -0.3 | 75.0 | 1.83 | 0.854 |
| -0.3 | 105.0 | 1.43 | 0.791 |
| -0.3 | 135.0 | 0.664 | 0.374 |
| -0.3 | 165.0 | 1.71 | 0.599 |
| -0.3 | 195.0 | 0.94 | 0.383 |
| -0.3 | 225.0 | 2.54 | 1.0 |
| -0.3 | 255.0 | 2.19 | 1.34 |
| -0.3 | 285.0 | 0.3 | 0.232 |
| -0.3 | 315.0 | 0.259 | 0.137 |
| -0.3 | 345.0 | 0.388 | 0.426 |
| -0.1 | 15.0 | 0.337 | 0.291 |
| -0.1 | 45.0 | 1.62 | 0.968 |
| -0.1 | 75.0 | 3.68 | 2.09 |
| -0.1 | 105.0 | 0.713 | 0.353 |
| -0.1 | 135.0 | 1.44 | 0.6 |
| -0.1 | 165.0 | 2.45 | 1.1 |
| -0.1 | 195.0 | 3.96 | 1.62 |
| -0.1 | 225.0 | 1.45 | 0.68 |
| -0.1 | 255.0 | 1.05 | 0.389 |
| -0.1 | 285.0 | 0.787 | 0.372 |
| -0.1 | 315.0 | 0.796 | 0.476 |
| -0.1 | 345.0 | 0.942 | 0.535 |
| 0.1 | 15.0 | 0.303 | 0.176 |
| 0.1 | 45.0 | 1.29 | 0.639 |
| 0.1 | 75.0 | 1.08 | 0.554 |
| 0.1 | 105.0 | 1.52 | 0.79 |
| 0.1 | 135.0 | 3.03 | 1.39 |
| 0.1 | 165.0 | 4.37 | 1.43 |
| 0.1 | 195.0 | 2.87 | 0.948 |
| 0.1 | 225.0 | 1.06 | 0.432 |
| 0.1 | 255.0 | 0.411 | 0.148 |
| 0.1 | 285.0 | 0.272 | 0.151 |
| 0.1 | 315.0 | 1.06 | 0.599 |
| 0.1 | 345.0 | 1.86 | 1.32 |
| 0.3 | 15.0 | 0.677 | 0.482 |
| 0.3 | 45.0 | 0.651 | 0.33 |
| 0.3 | 75.0 | 0.519 | 0.257 |
| 0.3 | 105.0 | 1.3 | 0.534 |
| 0.3 | 135.0 | 2.87 | 1.07 |
| 0.3 | 165.0 | 3.13 | 1.1 |
| 0.3 | 195.0 | 3.65 | 1.33 |
| 0.3 | 225.0 | 4.8 | 1.79 |
| 0.3 | 255.0 | 1.1 | 0.497 |
| 0.3 | 285.0 | 1.82 | 0.757 |
| 0.3 | 315.0 | 1.95 | 0.904 |
| 0.3 | 345.0 | 0.614 | 0.34 |
| 0.5 | 15.0 | 0.435 | 0.266 |
| 0.5 | 45.0 | 1.15 | 0.605 |
| 0.5 | 75.0 | 1.73 | 0.697 |
| 0.5 | 105.0 | 4.12 | 1.71 |
| 0.5 | 135.0 | 1.9 | 0.823 |
| 0.5 | 165.0 | 3.25 | 1.16 |
| 0.5 | 195.0 | 1.57 | 0.552 |
| 0.5 | 225.0 | 4.81 | 1.72 |
| 0.5 | 255.0 | 2.28 | 0.925 |
| 0.5 | 285.0 | 1.26 | 0.526 |
| 0.5 | 315.0 | 0.616 | 0.281 |
| 0.5 | 345.0 | 0.772 | 0.466 |
| 0.7 | 15.0 | 0.89 | 0.482 |
| 0.7 | 45.0 | 1.11 | 0.416 |
| 0.7 | 75.0 | 0.987 | 0.448 |
| 0.7 | 105.0 | 2.8 | 1.17 |
| 0.7 | 135.0 | 1.59 | 0.748 |
| 0.7 | 165.0 | 3.49 | 1.24 |
| 0.7 | 195.0 | 1.48 | 0.496 |
| 0.7 | 225.0 | 1.75 | 0.812 |
| 0.7 | 255.0 | 1.27 | 0.42 |
| 0.7 | 285.0 | 0.695 | 0.393 |
| 0.7 | 315.0 | 1.54 | 0.862 |
| 0.7 | 345.0 | 0.743 | 0.39 |
| 0.9 | 15.0 | 3.11 | 1.45 |
| 0.9 | 45.0 | 4.8 | 2.18 |
| 0.9 | 75.0 | 1.04 | 0.522 |
| 0.9 | 105.0 | 0.935 | 0.485 |
| 0.9 | 135.0 | 1.75 | 0.755 |
| 0.9 | 165.0 | 5.23 | 2.22 |
| 0.9 | 195.0 | 4.43 | 2.09 |
| 0.9 | 225.0 | 3.11 | 1.32 |
| 0.9 | 255.0 | 1.53 | 0.688 |
| 0.9 | 285.0 | 1.05 | 0.559 |
| 0.9 | 315.0 | 4.52 | 2.45 |
| 0.9 | 345.0 | 1.92 | 0.966 |
Experiment comment: