Measurement E9M27
| 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: | 0.35 — 0.45 GeV2 | |
| W: | 1.62 GeV | |
| ε: | 0.46 | |
| 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 | 1.01 | 0.326 |
| -0.9 | 45.0 | 0.441 | 0.238 |
| -0.9 | 75.0 | 0.794 | 0.503 |
| -0.9 | 105.0 | 2.01 | 1.17 |
| -0.9 | 135.0 | 0.801 | 0.88 |
| -0.9 | 225.0 | 1.7 | 1.32 |
| -0.9 | 255.0 | 0.84 | 0.468 |
| -0.9 | 285.0 | 3.78 | 1.94 |
| -0.9 | 315.0 | 0.212 | 0.155 |
| -0.9 | 345.0 | 0.932 | 0.388 |
| -0.7 | 15.0 | 1.16 | 0.307 |
| -0.7 | 45.0 | 1.23 | 0.481 |
| -0.7 | 75.0 | 1.1 | 0.428 |
| -0.7 | 105.0 | 1.37 | 0.421 |
| -0.7 | 135.0 | 0.803 | 0.497 |
| -0.7 | 225.0 | 0.748 | 0.4 |
| -0.7 | 255.0 | 1.2 | 0.368 |
| -0.7 | 285.0 | 1.51 | 0.549 |
| -0.7 | 315.0 | 0.674 | 0.363 |
| -0.7 | 345.0 | 1.2 | 0.316 |
| -0.5 | 15.0 | 1.19 | 0.362 |
| -0.5 | 45.0 | 1.31 | 0.45 |
| -0.5 | 75.0 | 0.959 | 0.273 |
| -0.5 | 105.0 | 1.85 | 0.522 |
| -0.5 | 135.0 | 0.239 | 0.246 |
| -0.5 | 165.0 | 3.97 | 3.63 |
| -0.5 | 195.0 | 6.1 | 4.99 |
| -0.5 | 225.0 | 1.46 | 0.828 |
| -0.5 | 255.0 | 0.956 | 0.29 |
| -0.5 | 285.0 | 0.741 | 0.253 |
| -0.5 | 315.0 | 1.39 | 0.453 |
| -0.5 | 345.0 | 1.49 | 0.414 |
| -0.3 | 15.0 | 0.656 | 0.198 |
| -0.3 | 45.0 | 1.01 | 0.322 |
| -0.3 | 75.0 | 1.55 | 0.418 |
| -0.3 | 105.0 | 1.04 | 0.357 |
| -0.3 | 135.0 | 0.578 | 0.305 |
| -0.3 | 165.0 | 1.09 | 0.602 |
| -0.3 | 195.0 | 0.996 | 0.548 |
| -0.3 | 225.0 | 3.3 | 0.992 |
| -0.3 | 255.0 | 1.09 | 0.314 |
| -0.3 | 285.0 | 1.03 | 0.283 |
| -0.3 | 315.0 | 1.49 | 0.451 |
| -0.3 | 345.0 | 1.37 | 0.357 |
| -0.1 | 15.0 | 0.46 | 0.241 |
| -0.1 | 45.0 | 1.05 | 0.347 |
| -0.1 | 75.0 | 1.16 | 0.302 |
| -0.1 | 105.0 | 2.26 | 0.564 |
| -0.1 | 135.0 | 1.54 | 0.431 |
| -0.1 | 165.0 | 3.17 | 1.11 |
| -0.1 | 195.0 | 2.93 | 1.09 |
| -0.1 | 225.0 | 1.95 | 0.486 |
| -0.1 | 255.0 | 0.694 | 0.261 |
| -0.1 | 285.0 | 1.98 | 0.438 |
| -0.1 | 315.0 | 2.23 | 0.72 |
| -0.1 | 345.0 | 1.12 | 0.382 |
| 0.1 | 15.0 | 0.318 | 0.234 |
| 0.1 | 45.0 | 0.898 | 0.326 |
| 0.1 | 75.0 | 2.76 | 0.576 |
| 0.1 | 105.0 | 1.67 | 0.48 |
| 0.1 | 135.0 | 2.92 | 0.729 |
| 0.1 | 165.0 | 3.29 | 1.07 |
| 0.1 | 195.0 | 1.53 | 0.575 |
| 0.1 | 225.0 | 2.22 | 0.567 |
| 0.1 | 255.0 | 1.76 | 0.479 |
| 0.1 | 285.0 | 1.73 | 0.391 |
| 0.1 | 315.0 | 1.45 | 0.473 |
| 0.1 | 345.0 | 1.39 | 0.708 |
| 0.3 | 15.0 | 0.297 | 0.307 |
| 0.3 | 45.0 | 0.628 | 0.218 |
| 0.3 | 75.0 | 1.1 | 0.279 |
| 0.3 | 105.0 | 1.8 | 0.587 |
| 0.3 | 135.0 | 1.78 | 0.414 |
| 0.3 | 165.0 | 0.676 | 0.304 |
| 0.3 | 195.0 | 1.73 | 0.62 |
| 0.3 | 225.0 | 2.46 | 0.605 |
| 0.3 | 255.0 | 1.31 | 0.385 |
| 0.3 | 285.0 | 2.44 | 0.558 |
| 0.3 | 315.0 | 0.763 | 0.335 |
| 0.3 | 345.0 | 0.181 | 0.185 |
| 0.5 | 15.0 | 2.12 | 1.16 |
| 0.5 | 45.0 | 1.72 | 0.462 |
| 0.5 | 75.0 | 1.0 | 0.292 |
| 0.5 | 105.0 | 1.06 | 0.387 |
| 0.5 | 135.0 | 0.448 | 0.181 |
| 0.5 | 165.0 | 0.991 | 0.43 |
| 0.5 | 195.0 | 0.799 | 0.452 |
| 0.5 | 225.0 | 1.28 | 0.318 |
| 0.5 | 255.0 | 1.3 | 0.478 |
| 0.5 | 285.0 | 0.779 | 0.221 |
| 0.5 | 315.0 | 0.673 | 0.222 |
| 0.5 | 345.0 | 1.41 | 0.639 |
| 0.7 | 15.0 | 0.681 | 0.267 |
| 0.7 | 45.0 | 0.853 | 0.312 |
| 0.7 | 75.0 | 0.537 | 0.15 |
| 0.7 | 105.0 | 1.56 | 0.483 |
| 0.7 | 135.0 | 1.46 | 0.408 |
| 0.7 | 165.0 | 0.688 | 0.306 |
| 0.7 | 195.0 | 0.467 | 0.226 |
| 0.7 | 225.0 | 0.778 | 0.278 |
| 0.7 | 255.0 | 0.728 | 0.275 |
| 0.7 | 285.0 | 1.44 | 0.4 |
| 0.7 | 315.0 | 1.26 | 0.434 |
| 0.7 | 345.0 | 2.94 | 1.2 |
| 0.9 | 15.0 | 2.93 | 1.08 |
| 0.9 | 45.0 | 2.17 | 0.718 |
| 0.9 | 75.0 | 2.03 | 0.522 |
| 0.9 | 105.0 | 1.11 | 0.426 |
| 0.9 | 135.0 | 0.857 | 0.276 |
| 0.9 | 165.0 | 1.59 | 0.844 |
| 0.9 | 195.0 | 0.903 | 0.388 |
| 0.9 | 225.0 | 0.84 | 0.271 |
| 0.9 | 255.0 | 0.818 | 0.354 |
| 0.9 | 285.0 | 2.29 | 0.496 |
| 0.9 | 315.0 | 2.43 | 0.823 |
| 0.9 | 345.0 | 2.19 | 0.823 |
Experiment comment: