Measurement E9M28
| 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: | 1.64 GeV | |
| ε: | 0.428 | |
| 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 | 0.921 | 0.319 |
| -0.9 | 45.0 | 1.63 | 0.623 |
| -0.9 | 75.0 | 0.626 | 0.39 |
| -0.9 | 105.0 | 1.19 | 0.604 |
| -0.9 | 225.0 | 2.98 | 2.19 |
| -0.9 | 255.0 | 1.87 | 0.974 |
| -0.9 | 285.0 | 1.31 | 0.829 |
| -0.9 | 315.0 | 1.56 | 0.556 |
| -0.9 | 345.0 | 1.11 | 0.386 |
| -0.7 | 15.0 | 1.04 | 0.304 |
| -0.7 | 45.0 | 2.63 | 0.845 |
| -0.7 | 75.0 | 0.873 | 0.314 |
| -0.7 | 105.0 | 1.74 | 0.548 |
| -0.7 | 135.0 | 0.665 | 0.494 |
| -0.7 | 225.0 | 0.466 | 0.484 |
| -0.7 | 255.0 | 0.988 | 0.327 |
| -0.7 | 285.0 | 1.43 | 0.561 |
| -0.7 | 315.0 | 0.809 | 0.43 |
| -0.7 | 345.0 | 1.12 | 0.333 |
| -0.5 | 15.0 | 1.24 | 0.32 |
| -0.5 | 45.0 | 0.8 | 0.308 |
| -0.5 | 75.0 | 1.44 | 0.378 |
| -0.5 | 105.0 | 1.18 | 0.347 |
| -0.5 | 135.0 | 1.74 | 0.882 |
| -0.5 | 165.0 | 2.81 | 3.25 |
| -0.5 | 195.0 | 4.71 | 4.31 |
| -0.5 | 225.0 | 3.76 | 2.6 |
| -0.5 | 255.0 | 1.02 | 0.297 |
| -0.5 | 285.0 | 0.862 | 0.297 |
| -0.5 | 315.0 | 2.77 | 0.857 |
| -0.5 | 345.0 | 1.08 | 0.318 |
| -0.3 | 15.0 | 0.974 | 0.273 |
| -0.3 | 45.0 | 1.54 | 0.473 |
| -0.3 | 75.0 | 1.65 | 0.427 |
| -0.3 | 105.0 | 1.35 | 0.433 |
| -0.3 | 135.0 | 1.58 | 0.56 |
| -0.3 | 165.0 | 3.02 | 1.64 |
| -0.3 | 195.0 | 0.395 | 0.406 |
| -0.3 | 225.0 | 2.18 | 0.696 |
| -0.3 | 255.0 | 1.39 | 0.427 |
| -0.3 | 285.0 | 1.78 | 0.447 |
| -0.3 | 315.0 | 1.11 | 0.383 |
| -0.3 | 345.0 | 1.89 | 0.484 |
| -0.1 | 15.0 | 0.341 | 0.25 |
| -0.1 | 45.0 | 1.17 | 0.429 |
| -0.1 | 75.0 | 1.14 | 0.308 |
| -0.1 | 105.0 | 1.27 | 0.388 |
| -0.1 | 135.0 | 2.7 | 0.702 |
| -0.1 | 165.0 | 2.09 | 0.971 |
| -0.1 | 195.0 | 1.17 | 0.466 |
| -0.1 | 225.0 | 1.83 | 0.537 |
| -0.1 | 255.0 | 2.39 | 0.704 |
| -0.1 | 285.0 | 1.89 | 0.418 |
| -0.1 | 315.0 | 0.894 | 0.338 |
| -0.1 | 345.0 | 0.877 | 0.423 |
| 0.1 | 15.0 | 1.33 | 0.881 |
| 0.1 | 45.0 | 2.06 | 0.64 |
| 0.1 | 75.0 | 1.98 | 0.457 |
| 0.1 | 105.0 | 1.26 | 0.395 |
| 0.1 | 135.0 | 1.97 | 0.487 |
| 0.1 | 165.0 | 0.906 | 0.411 |
| 0.1 | 195.0 | 1.41 | 0.569 |
| 0.1 | 225.0 | 2.59 | 0.616 |
| 0.1 | 255.0 | 1.77 | 0.519 |
| 0.1 | 285.0 | 1.6 | 0.311 |
| 0.1 | 315.0 | 1.04 | 0.422 |
| 0.1 | 345.0 | 0.644 | 0.401 |
| 0.3 | 15.0 | 0.653 | 0.499 |
| 0.3 | 45.0 | 1.52 | 0.479 |
| 0.3 | 75.0 | 1.84 | 0.449 |
| 0.3 | 105.0 | 0.767 | 0.288 |
| 0.3 | 135.0 | 1.46 | 0.352 |
| 0.3 | 165.0 | 1.11 | 0.508 |
| 0.3 | 195.0 | 1.53 | 0.56 |
| 0.3 | 225.0 | 1.74 | 0.425 |
| 0.3 | 255.0 | 1.17 | 0.417 |
| 0.3 | 285.0 | 1.37 | 0.339 |
| 0.3 | 315.0 | 0.506 | 0.202 |
| 0.3 | 345.0 | 0.845 | 0.657 |
| 0.5 | 15.0 | 0.588 | 0.363 |
| 0.5 | 45.0 | 0.852 | 0.329 |
| 0.5 | 75.0 | 1.02 | 0.269 |
| 0.5 | 105.0 | 0.616 | 0.264 |
| 0.5 | 135.0 | 1.11 | 0.289 |
| 0.5 | 165.0 | 1.33 | 0.466 |
| 0.5 | 195.0 | 1.23 | 0.486 |
| 0.5 | 225.0 | 1.56 | 0.408 |
| 0.5 | 255.0 | 2.74 | 0.662 |
| 0.5 | 285.0 | 1.91 | 0.424 |
| 0.5 | 315.0 | 0.852 | 0.309 |
| 0.5 | 345.0 | 1.94 | 0.858 |
| 0.7 | 15.0 | 3.07 | 0.961 |
| 0.7 | 45.0 | 2.06 | 0.665 |
| 0.7 | 75.0 | 1.94 | 0.419 |
| 0.7 | 105.0 | 1.5 | 0.359 |
| 0.7 | 135.0 | 2.47 | 0.58 |
| 0.7 | 165.0 | 1.3 | 0.588 |
| 0.7 | 195.0 | 0.633 | 0.333 |
| 0.7 | 225.0 | 1.14 | 0.331 |
| 0.7 | 255.0 | 2.38 | 0.637 |
| 0.7 | 285.0 | 2.05 | 0.442 |
| 0.7 | 315.0 | 0.722 | 0.234 |
| 0.7 | 345.0 | 7.43 | 2.74 |
| 0.9 | 15.0 | 2.92 | 0.899 |
| 0.9 | 45.0 | 1.52 | 0.478 |
| 0.9 | 75.0 | 3.48 | 0.732 |
| 0.9 | 105.0 | 2.0 | 0.624 |
| 0.9 | 135.0 | 2.21 | 0.598 |
| 0.9 | 165.0 | 0.948 | 0.403 |
| 0.9 | 195.0 | 1.11 | 0.398 |
| 0.9 | 225.0 | 1.91 | 0.562 |
| 0.9 | 255.0 | 1.09 | 0.411 |
| 0.9 | 285.0 | 4.13 | 0.812 |
| 0.9 | 315.0 | 3.37 | 1.12 |
| 0.9 | 345.0 | 2.13 | 0.707 |
Experiment comment: