Measurement E9M224
| 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: | 0.8 — 1.0 GeV2 | |
| W: | 1.1 GeV | |
| ε: | 0.862 | |
| 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 | 0.0629 | 0.0878 |
| -0.9 | 75.0 | 0.671 | 0.974 |
| -0.9 | 105.0 | 0.465 | 0.576 |
| -0.9 | 165.0 | 0.837 | 0.477 |
| -0.9 | 195.0 | 0.197 | 0.175 |
| -0.9 | 225.0 | 0.546 | 0.368 |
| -0.9 | 255.0 | 0.541 | 0.524 |
| -0.9 | 285.0 | 1.89 | 2.24 |
| -0.7 | 15.0 | 0.142 | 0.133 |
| -0.7 | 45.0 | 0.122 | 0.0944 |
| -0.7 | 75.0 | 0.682 | 0.754 |
| -0.7 | 105.0 | 0.0903 | 0.0981 |
| -0.7 | 165.0 | 1.14 | 0.682 |
| -0.7 | 195.0 | 0.486 | 0.295 |
| -0.7 | 285.0 | 0.153 | 0.153 |
| -0.7 | 315.0 | 0.981 | 1.18 |
| -0.7 | 345.0 | 0.19 | 0.179 |
| -0.5 | 15.0 | 1.15 | 1.7 |
| -0.5 | 75.0 | 0.134 | 0.11 |
| -0.5 | 105.0 | 0.575 | 0.351 |
| -0.5 | 135.0 | 1.09 | 0.682 |
| -0.5 | 165.0 | 1.1 | 0.556 |
| -0.5 | 195.0 | 0.277 | 0.12 |
| -0.5 | 225.0 | 0.342 | 0.198 |
| -0.5 | 255.0 | 0.437 | 0.305 |
| -0.5 | 285.0 | 1.09 | 0.629 |
| -0.5 | 315.0 | 0.126 | 0.139 |
| -0.5 | 345.0 | 0.0518 | 0.0566 |
| -0.3 | 15.0 | 1.25 | 1.47 |
| -0.3 | 45.0 | 0.542 | 0.444 |
| -0.3 | 75.0 | 0.203 | 0.135 |
| -0.3 | 105.0 | 0.651 | 0.405 |
| -0.3 | 135.0 | 0.356 | 0.205 |
| -0.3 | 165.0 | 0.79 | 0.357 |
| -0.3 | 195.0 | 0.832 | 0.472 |
| -0.3 | 225.0 | 0.297 | 0.149 |
| -0.3 | 255.0 | 0.198 | 0.158 |
| -0.3 | 285.0 | 0.213 | 0.0832 |
| -0.3 | 315.0 | 0.126 | 0.0865 |
| -0.3 | 345.0 | 0.297 | 0.2 |
| -0.1 | 15.0 | 0.0205 | 0.0168 |
| -0.1 | 45.0 | 0.282 | 0.174 |
| -0.1 | 75.0 | 0.366 | 0.212 |
| -0.1 | 105.0 | 6.11 | 3.75 |
| -0.1 | 135.0 | 1.82 | 0.959 |
| -0.1 | 165.0 | 0.794 | 0.397 |
| -0.1 | 195.0 | 0.782 | 0.412 |
| -0.1 | 225.0 | 0.701 | 0.364 |
| -0.1 | 255.0 | 0.391 | 0.213 |
| -0.1 | 285.0 | 0.303 | 0.332 |
| -0.1 | 315.0 | 0.853 | 0.762 |
| -0.1 | 345.0 | 0.346 | 0.234 |
| 0.1 | 15.0 | 0.195 | 0.171 |
| 0.1 | 45.0 | 0.237 | 0.121 |
| 0.1 | 75.0 | 0.605 | 0.311 |
| 0.1 | 105.0 | 0.977 | 0.495 |
| 0.1 | 135.0 | 4.91 | 2.57 |
| 0.1 | 165.0 | 1.22 | 0.536 |
| 0.1 | 195.0 | 0.849 | 0.339 |
| 0.1 | 225.0 | 0.333 | 0.208 |
| 0.1 | 255.0 | 1.3 | 0.548 |
| 0.1 | 285.0 | 0.756 | 0.433 |
| 0.1 | 315.0 | 0.429 | 0.376 |
| 0.3 | 15.0 | 0.482 | 0.406 |
| 0.3 | 45.0 | 0.208 | 0.129 |
| 0.3 | 75.0 | 0.572 | 0.355 |
| 0.3 | 105.0 | 0.56 | 0.304 |
| 0.3 | 135.0 | 1.63 | 0.71 |
| 0.3 | 165.0 | 0.924 | 0.362 |
| 0.3 | 195.0 | 1.76 | 0.756 |
| 0.3 | 225.0 | 1.68 | 0.689 |
| 0.3 | 255.0 | 2.06 | 1.17 |
| 0.3 | 285.0 | 0.991 | 0.536 |
| 0.3 | 315.0 | 0.534 | 0.275 |
| 0.3 | 345.0 | 0.945 | 0.599 |
| 0.5 | 15.0 | 0.855 | 0.587 |
| 0.5 | 45.0 | 0.331 | 0.221 |
| 0.5 | 75.0 | 0.774 | 0.457 |
| 0.5 | 105.0 | 0.768 | 0.448 |
| 0.5 | 135.0 | 1.81 | 0.784 |
| 0.5 | 165.0 | 0.511 | 0.239 |
| 0.5 | 195.0 | 1.42 | 0.666 |
| 0.5 | 225.0 | 0.711 | 0.288 |
| 0.5 | 255.0 | 0.84 | 0.589 |
| 0.5 | 285.0 | 1.02 | 0.475 |
| 0.5 | 315.0 | 0.976 | 0.612 |
| 0.5 | 345.0 | 0.985 | 0.823 |
| 0.7 | 15.0 | 1.71 | 1.09 |
| 0.7 | 45.0 | 0.518 | 0.298 |
| 0.7 | 75.0 | 0.931 | 0.464 |
| 0.7 | 105.0 | 1.79 | 0.745 |
| 0.7 | 135.0 | 3.44 | 1.68 |
| 0.7 | 165.0 | 1.43 | 0.635 |
| 0.7 | 195.0 | 0.788 | 0.4 |
| 0.7 | 225.0 | 2.51 | 0.921 |
| 0.7 | 255.0 | 2.14 | 1.12 |
| 0.7 | 285.0 | 1.22 | 0.732 |
| 0.7 | 315.0 | 0.21 | 0.242 |
| 0.7 | 345.0 | 1.37 | 0.731 |
| 0.9 | 15.0 | 1.08 | 0.777 |
| 0.9 | 45.0 | 4.81 | 2.6 |
| 0.9 | 75.0 | 0.488 | 0.26 |
| 0.9 | 105.0 | 0.506 | 0.278 |
| 0.9 | 135.0 | 1.22 | 0.508 |
| 0.9 | 165.0 | 1.32 | 0.648 |
| 0.9 | 195.0 | 0.331 | 0.151 |
| 0.9 | 225.0 | 1.48 | 0.603 |
| 0.9 | 255.0 | 3.18 | 1.85 |
| 0.9 | 285.0 | 1.98 | 1.35 |
| 0.9 | 315.0 | 0.7 | 0.565 |
| 0.9 | 345.0 | 1.27 | 0.923 |
Experiment comment: