Measurement E9M249
| 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: | 1.6 GeV | |
| ε: | 0.632 | |
| 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 | 0.206 | 0.0731 |
| -0.9 | 45.0 | 0.461 | 0.18 |
| -0.9 | 75.0 | 1.23 | 0.524 |
| -0.9 | 105.0 | 0.809 | 0.361 |
| -0.9 | 135.0 | 0.196 | 0.149 |
| -0.9 | 165.0 | 0.972 | 0.531 |
| -0.9 | 195.0 | 0.709 | 0.354 |
| -0.9 | 225.0 | 1.02 | 0.519 |
| -0.9 | 255.0 | 0.321 | 0.186 |
| -0.9 | 285.0 | 0.235 | 0.126 |
| -0.9 | 315.0 | 0.674 | 0.235 |
| -0.9 | 345.0 | 0.435 | 0.143 |
| -0.7 | 15.0 | 0.696 | 0.167 |
| -0.7 | 45.0 | 0.433 | 0.147 |
| -0.7 | 75.0 | 0.336 | 0.166 |
| -0.7 | 105.0 | 0.217 | 0.133 |
| -0.7 | 135.0 | 0.642 | 0.525 |
| -0.7 | 165.0 | 0.982 | 1.21 |
| -0.7 | 195.0 | 0.538 | 0.59 |
| -0.7 | 225.0 | 3.07 | 3.77 |
| -0.7 | 255.0 | 0.74 | 0.388 |
| -0.7 | 285.0 | 0.732 | 0.348 |
| -0.7 | 315.0 | 0.391 | 0.15 |
| -0.7 | 345.0 | 0.402 | 0.119 |
| -0.5 | 15.0 | 0.581 | 0.152 |
| -0.5 | 45.0 | 0.635 | 0.203 |
| -0.5 | 75.0 | 0.365 | 0.138 |
| -0.5 | 105.0 | 0.483 | 0.153 |
| -0.5 | 135.0 | 0.899 | 0.31 |
| -0.5 | 225.0 | 0.309 | 0.124 |
| -0.5 | 255.0 | 1.09 | 0.322 |
| -0.5 | 285.0 | 0.768 | 0.337 |
| -0.5 | 315.0 | 0.961 | 0.306 |
| -0.5 | 345.0 | 0.976 | 0.273 |
| -0.3 | 15.0 | 0.492 | 0.194 |
| -0.3 | 45.0 | 0.475 | 0.167 |
| -0.3 | 75.0 | 1.05 | 0.267 |
| -0.3 | 105.0 | 0.902 | 0.204 |
| -0.3 | 135.0 | 1.16 | 0.305 |
| -0.3 | 225.0 | 1.15 | 0.298 |
| -0.3 | 255.0 | 1.18 | 0.281 |
| -0.3 | 285.0 | 0.97 | 0.297 |
| -0.3 | 315.0 | 0.572 | 0.203 |
| -0.3 | 345.0 | 0.663 | 0.221 |
| -0.1 | 15.0 | 0.897 | 0.366 |
| -0.1 | 45.0 | 0.655 | 0.223 |
| -0.1 | 75.0 | 1.52 | 0.372 |
| -0.1 | 105.0 | 1.46 | 0.274 |
| -0.1 | 135.0 | 1.5 | 0.474 |
| -0.1 | 225.0 | 1.83 | 0.608 |
| -0.1 | 255.0 | 1.09 | 0.208 |
| -0.1 | 285.0 | 1.09 | 0.254 |
| -0.1 | 315.0 | 1.08 | 0.297 |
| -0.1 | 345.0 | 1.21 | 0.477 |
| 0.1 | 15.0 | 0.763 | 0.275 |
| 0.1 | 45.0 | 0.826 | 0.236 |
| 0.1 | 75.0 | 1.25 | 0.285 |
| 0.1 | 105.0 | 1.33 | 0.264 |
| 0.1 | 135.0 | 0.992 | 0.362 |
| 0.1 | 165.0 | 0.576 | 0.666 |
| 0.1 | 195.0 | 1.38 | 0.984 |
| 0.1 | 225.0 | 1.1 | 0.428 |
| 0.1 | 255.0 | 1.55 | 0.289 |
| 0.1 | 285.0 | 1.72 | 0.402 |
| 0.1 | 315.0 | 0.721 | 0.268 |
| 0.1 | 345.0 | 0.119 | 0.0711 |
| 0.3 | 15.0 | 0.938 | 0.359 |
| 0.3 | 45.0 | 0.649 | 0.215 |
| 0.3 | 75.0 | 1.33 | 0.289 |
| 0.3 | 105.0 | 0.893 | 0.195 |
| 0.3 | 135.0 | 0.859 | 0.337 |
| 0.3 | 165.0 | 0.803 | 0.478 |
| 0.3 | 195.0 | 1.23 | 0.543 |
| 0.3 | 225.0 | 3.96 | 1.5 |
| 0.3 | 255.0 | 1.48 | 0.296 |
| 0.3 | 285.0 | 1.3 | 0.288 |
| 0.3 | 315.0 | 1.07 | 0.335 |
| 0.3 | 345.0 | 0.406 | 0.19 |
| 0.5 | 15.0 | 0.635 | 0.242 |
| 0.5 | 45.0 | 0.687 | 0.228 |
| 0.5 | 75.0 | 0.873 | 0.185 |
| 0.5 | 105.0 | 1.1 | 0.247 |
| 0.5 | 135.0 | 2.6 | 0.861 |
| 0.5 | 165.0 | 0.957 | 0.478 |
| 0.5 | 195.0 | 0.975 | 0.382 |
| 0.5 | 225.0 | 0.587 | 0.224 |
| 0.5 | 255.0 | 1.05 | 0.266 |
| 0.5 | 285.0 | 1.14 | 0.235 |
| 0.5 | 315.0 | 1.29 | 0.442 |
| 0.5 | 345.0 | 0.612 | 0.226 |
| 0.7 | 15.0 | 0.452 | 0.149 |
| 0.7 | 45.0 | 0.334 | 0.129 |
| 0.7 | 75.0 | 1.05 | 0.252 |
| 0.7 | 105.0 | 0.747 | 0.199 |
| 0.7 | 135.0 | 0.609 | 0.292 |
| 0.7 | 165.0 | 0.569 | 0.26 |
| 0.7 | 195.0 | 0.59 | 0.339 |
| 0.7 | 225.0 | 0.446 | 0.183 |
| 0.7 | 255.0 | 0.791 | 0.217 |
| 0.7 | 285.0 | 0.64 | 0.158 |
| 0.7 | 315.0 | 0.346 | 0.158 |
| 0.7 | 345.0 | 1.02 | 0.314 |
| 0.9 | 15.0 | 0.452 | 0.256 |
| 0.9 | 45.0 | 0.237 | 0.13 |
| 0.9 | 75.0 | 0.432 | 0.125 |
| 0.9 | 105.0 | 0.381 | 0.174 |
| 0.9 | 135.0 | 0.79 | 0.48 |
| 0.9 | 165.0 | 0.221 | 0.239 |
| 0.9 | 195.0 | 0.284 | 0.227 |
| 0.9 | 225.0 | 0.976 | 0.519 |
| 0.9 | 255.0 | 0.881 | 0.283 |
| 0.9 | 285.0 | 0.339 | 0.132 |
| 0.9 | 315.0 | 0.968 | 0.393 |
| 0.9 | 345.0 | 0.716 | 0.349 |
Experiment comment: