Measurement E9M189
| 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: | 0.6 — 0.7 GeV2 | |
| W: | 1.6 GeV | |
| ε: | 0.717 | |
| 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 | 0.658 | 0.222 |
| -0.9 | 45.0 | 0.649 | 0.249 |
| -0.9 | 75.0 | 0.474 | 0.255 |
| -0.9 | 105.0 | 0.674 | 0.431 |
| -0.9 | 135.0 | 1.36 | 0.779 |
| -0.9 | 165.0 | 0.67 | 0.429 |
| -0.9 | 195.0 | 1.01 | 0.453 |
| -0.9 | 225.0 | 1.23 | 0.833 |
| -0.9 | 255.0 | 0.433 | 0.33 |
| -0.9 | 285.0 | 1.1 | 0.472 |
| -0.9 | 315.0 | 0.941 | 0.298 |
| -0.9 | 345.0 | 0.486 | 0.157 |
| -0.7 | 15.0 | 1.1 | 0.32 |
| -0.7 | 45.0 | 1.09 | 0.319 |
| -0.7 | 75.0 | 1.38 | 0.81 |
| -0.7 | 105.0 | 0.312 | 0.236 |
| -0.7 | 135.0 | 0.725 | 0.479 |
| -0.7 | 225.0 | 3.13 | 1.67 |
| -0.7 | 255.0 | 2.52 | 1.25 |
| -0.7 | 285.0 | 4.44 | 2.25 |
| -0.7 | 315.0 | 0.861 | 0.29 |
| -0.7 | 345.0 | 0.628 | 0.195 |
| -0.5 | 15.0 | 0.95 | 0.269 |
| -0.5 | 45.0 | 0.533 | 0.218 |
| -0.5 | 75.0 | 0.487 | 0.237 |
| -0.5 | 105.0 | 0.757 | 0.265 |
| -0.5 | 135.0 | 1.04 | 0.303 |
| -0.5 | 195.0 | 1.76 | 1.22 |
| -0.5 | 225.0 | 1.48 | 0.387 |
| -0.5 | 255.0 | 0.74 | 0.249 |
| -0.5 | 285.0 | 0.736 | 0.333 |
| -0.5 | 315.0 | 1.34 | 0.486 |
| -0.5 | 345.0 | 0.858 | 0.239 |
| -0.3 | 15.0 | 0.592 | 0.167 |
| -0.3 | 45.0 | 1.18 | 0.425 |
| -0.3 | 75.0 | 0.97 | 0.278 |
| -0.3 | 105.0 | 1.46 | 0.331 |
| -0.3 | 135.0 | 2.0 | 0.647 |
| -0.3 | 225.0 | 1.11 | 0.354 |
| -0.3 | 255.0 | 1.33 | 0.346 |
| -0.3 | 285.0 | 1.19 | 0.418 |
| -0.3 | 315.0 | 0.674 | 0.276 |
| -0.3 | 345.0 | 1.3 | 0.312 |
| -0.1 | 15.0 | 0.545 | 0.156 |
| -0.1 | 45.0 | 0.522 | 0.248 |
| -0.1 | 75.0 | 1.18 | 0.3 |
| -0.1 | 105.0 | 1.6 | 0.325 |
| -0.1 | 135.0 | 1.55 | 0.639 |
| -0.1 | 225.0 | 6.74 | 2.91 |
| -0.1 | 255.0 | 2.09 | 0.405 |
| -0.1 | 285.0 | 0.844 | 0.257 |
| -0.1 | 315.0 | 0.793 | 0.35 |
| -0.1 | 345.0 | 0.831 | 0.257 |
| 0.1 | 15.0 | 0.663 | 0.333 |
| 0.1 | 45.0 | 0.35 | 0.211 |
| 0.1 | 75.0 | 1.84 | 0.37 |
| 0.1 | 105.0 | 1.73 | 0.355 |
| 0.1 | 135.0 | 1.79 | 0.852 |
| 0.1 | 165.0 | 1.74 | 0.962 |
| 0.1 | 195.0 | 4.07 | 2.07 |
| 0.1 | 225.0 | 1.69 | 0.848 |
| 0.1 | 255.0 | 1.61 | 0.355 |
| 0.1 | 285.0 | 1.82 | 0.406 |
| 0.1 | 315.0 | 0.694 | 0.304 |
| 0.1 | 345.0 | 0.408 | 0.198 |
| 0.3 | 15.0 | 0.712 | 0.338 |
| 0.3 | 45.0 | 0.865 | 0.386 |
| 0.3 | 75.0 | 1.8 | 0.395 |
| 0.3 | 105.0 | 0.942 | 0.24 |
| 0.3 | 135.0 | 1.33 | 0.673 |
| 0.3 | 165.0 | 0.803 | 0.41 |
| 0.3 | 195.0 | 0.513 | 0.283 |
| 0.3 | 225.0 | 0.896 | 0.489 |
| 0.3 | 255.0 | 1.21 | 0.321 |
| 0.3 | 285.0 | 1.19 | 0.263 |
| 0.3 | 315.0 | 1.18 | 0.471 |
| 0.3 | 345.0 | 0.263 | 0.166 |
| 0.5 | 15.0 | 0.203 | 0.125 |
| 0.5 | 45.0 | 0.392 | 0.19 |
| 0.5 | 75.0 | 0.615 | 0.153 |
| 0.5 | 105.0 | 0.774 | 0.236 |
| 0.5 | 135.0 | 1.1 | 0.409 |
| 0.5 | 165.0 | 0.85 | 0.423 |
| 0.5 | 195.0 | 1.15 | 0.502 |
| 0.5 | 225.0 | 0.572 | 0.259 |
| 0.5 | 255.0 | 0.866 | 0.236 |
| 0.5 | 285.0 | 1.31 | 0.308 |
| 0.5 | 315.0 | 0.549 | 0.233 |
| 0.5 | 345.0 | 0.824 | 0.291 |
| 0.7 | 15.0 | 0.761 | 0.278 |
| 0.7 | 45.0 | 0.798 | 0.305 |
| 0.7 | 75.0 | 0.977 | 0.244 |
| 0.7 | 105.0 | 1.0 | 0.325 |
| 0.7 | 135.0 | 0.983 | 0.504 |
| 0.7 | 165.0 | 0.441 | 0.249 |
| 0.7 | 195.0 | 1.65 | 0.763 |
| 0.7 | 225.0 | 0.839 | 0.317 |
| 0.7 | 255.0 | 0.896 | 0.29 |
| 0.7 | 285.0 | 1.39 | 0.352 |
| 0.7 | 315.0 | 0.602 | 0.334 |
| 0.7 | 345.0 | 0.599 | 0.256 |
| 0.9 | 15.0 | 1.09 | 0.51 |
| 0.9 | 45.0 | 0.572 | 0.317 |
| 0.9 | 75.0 | 0.869 | 0.294 |
| 0.9 | 105.0 | 0.531 | 0.193 |
| 0.9 | 135.0 | 0.661 | 0.37 |
| 0.9 | 165.0 | 0.297 | 0.326 |
| 0.9 | 195.0 | 0.442 | 0.352 |
| 0.9 | 225.0 | 0.527 | 0.29 |
| 0.9 | 255.0 | 1.05 | 0.31 |
| 0.9 | 285.0 | 1.25 | 0.362 |
| 0.9 | 315.0 | 1.01 | 0.524 |
| 0.9 | 345.0 | 0.361 | 0.203 |
Experiment comment: