Measurement E9M50
| 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: | 1.3 — 1.6 GeV2 | |
| W: | 1.48 GeV | |
| ε: | 0.528 | |
| 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 | 0.179 | 0.136 |
| -0.9 | 45.0 | 0.352 | 0.188 |
| -0.9 | 75.0 | 1.1 | 0.912 |
| -0.9 | 105.0 | 0.348 | 0.246 |
| -0.9 | 135.0 | 0.344 | 0.22 |
| -0.9 | 165.0 | 0.327 | 0.168 |
| -0.9 | 195.0 | 1.6 | 0.738 |
| -0.9 | 225.0 | 0.553 | 0.241 |
| -0.9 | 255.0 | 0.174 | 0.19 |
| -0.9 | 285.0 | 0.265 | 0.211 |
| -0.9 | 315.0 | 0.0319 | 0.0328 |
| -0.9 | 345.0 | 0.311 | 0.168 |
| -0.7 | 15.0 | 0.309 | 0.123 |
| -0.7 | 45.0 | 0.482 | 0.264 |
| -0.7 | 75.0 | 0.288 | 0.161 |
| -0.7 | 105.0 | 0.915 | 0.482 |
| -0.7 | 135.0 | 3.36 | 2.28 |
| -0.7 | 165.0 | 0.707 | 0.34 |
| -0.7 | 195.0 | 0.944 | 0.428 |
| -0.7 | 225.0 | 0.821 | 0.524 |
| -0.7 | 255.0 | 0.63 | 0.299 |
| -0.7 | 285.0 | 1.49 | 0.533 |
| -0.7 | 315.0 | 0.641 | 0.297 |
| -0.7 | 345.0 | 0.326 | 0.146 |
| -0.5 | 15.0 | 0.493 | 0.271 |
| -0.5 | 45.0 | 0.998 | 0.408 |
| -0.5 | 75.0 | 0.828 | 0.333 |
| -0.5 | 105.0 | 0.806 | 0.413 |
| -0.5 | 135.0 | 1.72 | 1.07 |
| -0.5 | 195.0 | 4.27 | 3.51 |
| -0.5 | 225.0 | 0.651 | 0.409 |
| -0.5 | 255.0 | 1.37 | 0.462 |
| -0.5 | 285.0 | 0.62 | 0.232 |
| -0.5 | 315.0 | 1.52 | 0.519 |
| -0.5 | 345.0 | 0.623 | 0.342 |
| -0.3 | 15.0 | 0.962 | 0.392 |
| -0.3 | 45.0 | 0.977 | 0.386 |
| -0.3 | 75.0 | 1.68 | 0.569 |
| -0.3 | 105.0 | 1.16 | 0.354 |
| -0.3 | 135.0 | 2.61 | 0.869 |
| -0.3 | 195.0 | 5.42 | 7.67 |
| -0.3 | 225.0 | 2.34 | 0.806 |
| -0.3 | 255.0 | 1.07 | 0.311 |
| -0.3 | 285.0 | 1.37 | 0.43 |
| -0.3 | 315.0 | 0.535 | 0.207 |
| -0.3 | 345.0 | 2.07 | 0.761 |
| -0.1 | 15.0 | 0.628 | 0.243 |
| -0.1 | 45.0 | 1.89 | 0.545 |
| -0.1 | 75.0 | 1.75 | 0.522 |
| -0.1 | 105.0 | 1.63 | 0.52 |
| -0.1 | 135.0 | 1.79 | 0.457 |
| -0.1 | 165.0 | 6.94 | 8.51 |
| -0.1 | 195.0 | 3.27 | 4.63 |
| -0.1 | 225.0 | 1.79 | 0.503 |
| -0.1 | 255.0 | 1.83 | 0.484 |
| -0.1 | 285.0 | 1.42 | 0.408 |
| -0.1 | 315.0 | 1.35 | 0.358 |
| -0.1 | 345.0 | 0.856 | 0.299 |
| 0.1 | 15.0 | 0.861 | 0.336 |
| 0.1 | 45.0 | 1.71 | 0.534 |
| 0.1 | 75.0 | 3.14 | 0.928 |
| 0.1 | 105.0 | 1.44 | 0.365 |
| 0.1 | 135.0 | 1.22 | 0.364 |
| 0.1 | 165.0 | 5.4 | 5.43 |
| 0.1 | 225.0 | 1.77 | 0.449 |
| 0.1 | 255.0 | 2.54 | 0.597 |
| 0.1 | 285.0 | 0.842 | 0.278 |
| 0.1 | 315.0 | 0.98 | 0.317 |
| 0.1 | 345.0 | 0.764 | 0.311 |
| 0.3 | 15.0 | 1.15 | 0.398 |
| 0.3 | 45.0 | 0.846 | 0.312 |
| 0.3 | 75.0 | 1.65 | 0.466 |
| 0.3 | 105.0 | 1.36 | 0.316 |
| 0.3 | 135.0 | 1.07 | 0.292 |
| 0.3 | 225.0 | 0.715 | 0.239 |
| 0.3 | 255.0 | 2.37 | 0.584 |
| 0.3 | 285.0 | 2.63 | 0.751 |
| 0.3 | 315.0 | 0.738 | 0.26 |
| 0.3 | 345.0 | 2.13 | 0.709 |
| 0.5 | 15.0 | 1.71 | 0.599 |
| 0.5 | 45.0 | 1.32 | 0.449 |
| 0.5 | 75.0 | 0.664 | 0.226 |
| 0.5 | 105.0 | 1.27 | 0.346 |
| 0.5 | 135.0 | 2.06 | 0.81 |
| 0.5 | 165.0 | 2.52 | 3.58 |
| 0.5 | 225.0 | 0.717 | 0.272 |
| 0.5 | 255.0 | 1.05 | 0.263 |
| 0.5 | 285.0 | 1.34 | 0.434 |
| 0.5 | 315.0 | 2.69 | 0.91 |
| 0.5 | 345.0 | 1.01 | 0.287 |
| 0.7 | 15.0 | 0.783 | 0.368 |
| 0.7 | 45.0 | 1.05 | 0.38 |
| 0.7 | 75.0 | 0.498 | 0.227 |
| 0.7 | 105.0 | 0.561 | 0.232 |
| 0.7 | 135.0 | 0.864 | 0.332 |
| 0.7 | 225.0 | 1.03 | 0.44 |
| 0.7 | 255.0 | 0.478 | 0.183 |
| 0.7 | 285.0 | 1.24 | 0.458 |
| 0.7 | 315.0 | 0.315 | 0.197 |
| 0.7 | 345.0 | 0.671 | 0.304 |
| 0.9 | 15.0 | 0.319 | 0.276 |
| 0.9 | 45.0 | 0.299 | 0.181 |
| 0.9 | 75.0 | 0.443 | 0.514 |
| 0.9 | 105.0 | 0.248 | 0.193 |
| 0.9 | 135.0 | 0.698 | 0.493 |
| 0.9 | 195.0 | 1.46 | 1.21 |
| 0.9 | 225.0 | 2.17 | 2.52 |
| 0.9 | 255.0 | 0.759 | 0.627 |
| 0.9 | 285.0 | 0.785 | 0.373 |
| 0.9 | 315.0 | 0.631 | 0.331 |
| 0.9 | 345.0 | 0.24 | 0.153 |
Experiment comment: