Measurement E9M235
| 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: | 1.32 GeV | |
| ε: | 0.795 | |
| 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 | 0.955 | 0.249 |
| -0.9 | 45.0 | 2.2 | 0.55 |
| -0.9 | 75.0 | 1.47 | 0.348 |
| -0.9 | 105.0 | 0.739 | 0.238 |
| -0.9 | 135.0 | 1.08 | 0.298 |
| -0.9 | 165.0 | 1.2 | 0.351 |
| -0.9 | 195.0 | 1.57 | 0.419 |
| -0.9 | 225.0 | 0.582 | 0.167 |
| -0.9 | 255.0 | 1.18 | 0.323 |
| -0.9 | 285.0 | 1.79 | 0.482 |
| -0.9 | 315.0 | 1.36 | 0.329 |
| -0.9 | 345.0 | 1.4 | 0.362 |
| -0.7 | 15.0 | 1.63 | 0.32 |
| -0.7 | 45.0 | 2.07 | 0.372 |
| -0.7 | 75.0 | 2.09 | 0.404 |
| -0.7 | 105.0 | 1.63 | 0.368 |
| -0.7 | 135.0 | 1.45 | 0.383 |
| -0.7 | 165.0 | 1.67 | 0.396 |
| -0.7 | 195.0 | 1.81 | 0.418 |
| -0.7 | 225.0 | 2.12 | 0.455 |
| -0.7 | 255.0 | 3.07 | 0.653 |
| -0.7 | 285.0 | 3.3 | 0.651 |
| -0.7 | 315.0 | 1.94 | 0.397 |
| -0.7 | 345.0 | 1.76 | 0.342 |
| -0.5 | 15.0 | 1.68 | 0.275 |
| -0.5 | 45.0 | 2.69 | 0.418 |
| -0.5 | 75.0 | 3.56 | 0.595 |
| -0.5 | 105.0 | 3.89 | 0.746 |
| -0.5 | 135.0 | 3.69 | 0.802 |
| -0.5 | 165.0 | 1.94 | 0.422 |
| -0.5 | 195.0 | 1.6 | 0.318 |
| -0.5 | 225.0 | 2.03 | 0.44 |
| -0.5 | 255.0 | 3.48 | 0.731 |
| -0.5 | 285.0 | 3.6 | 0.6 |
| -0.5 | 315.0 | 2.87 | 0.435 |
| -0.5 | 345.0 | 1.64 | 0.269 |
| -0.3 | 15.0 | 1.48 | 0.249 |
| -0.3 | 45.0 | 2.19 | 0.346 |
| -0.3 | 75.0 | 4.43 | 0.723 |
| -0.3 | 105.0 | 3.63 | 0.782 |
| -0.3 | 135.0 | 2.38 | 0.727 |
| -0.3 | 165.0 | 1.9 | 0.46 |
| -0.3 | 195.0 | 1.72 | 0.396 |
| -0.3 | 225.0 | 1.66 | 0.504 |
| -0.3 | 255.0 | 7.16 | 1.64 |
| -0.3 | 285.0 | 3.81 | 0.647 |
| -0.3 | 315.0 | 2.85 | 0.41 |
| -0.3 | 345.0 | 1.91 | 0.319 |
| -0.1 | 15.0 | 1.6 | 0.266 |
| -0.1 | 45.0 | 2.67 | 0.381 |
| -0.1 | 75.0 | 5.02 | 0.866 |
| -0.1 | 105.0 | 3.09 | 0.694 |
| -0.1 | 135.0 | 3.8 | 1.28 |
| -0.1 | 165.0 | 2.16 | 0.474 |
| -0.1 | 195.0 | 2.23 | 0.528 |
| -0.1 | 225.0 | 3.65 | 1.01 |
| -0.1 | 255.0 | 6.35 | 1.43 |
| -0.1 | 285.0 | 3.78 | 0.639 |
| -0.1 | 315.0 | 3.42 | 0.464 |
| -0.1 | 345.0 | 2.24 | 0.365 |
| 0.1 | 15.0 | 2.2 | 0.409 |
| 0.1 | 45.0 | 3.09 | 0.433 |
| 0.1 | 75.0 | 3.73 | 0.762 |
| 0.1 | 105.0 | 4.34 | 0.97 |
| 0.1 | 135.0 | 2.96 | 1.01 |
| 0.1 | 165.0 | 3.05 | 0.8 |
| 0.1 | 195.0 | 2.0 | 0.497 |
| 0.1 | 225.0 | 3.97 | 1.18 |
| 0.1 | 255.0 | 3.22 | 0.718 |
| 0.1 | 285.0 | 4.6 | 0.8 |
| 0.1 | 315.0 | 2.76 | 0.387 |
| 0.1 | 345.0 | 2.73 | 0.438 |
| 0.3 | 15.0 | 2.1 | 0.362 |
| 0.3 | 45.0 | 2.55 | 0.393 |
| 0.3 | 75.0 | 4.07 | 0.754 |
| 0.3 | 105.0 | 5.41 | 1.05 |
| 0.3 | 135.0 | 4.66 | 1.34 |
| 0.3 | 165.0 | 1.31 | 0.425 |
| 0.3 | 195.0 | 1.55 | 0.464 |
| 0.3 | 225.0 | 4.0 | 1.45 |
| 0.3 | 255.0 | 4.66 | 1.06 |
| 0.3 | 285.0 | 3.32 | 0.654 |
| 0.3 | 315.0 | 3.45 | 0.478 |
| 0.3 | 345.0 | 2.02 | 0.348 |
| 0.5 | 15.0 | 1.83 | 0.309 |
| 0.5 | 45.0 | 2.13 | 0.352 |
| 0.5 | 75.0 | 2.69 | 0.552 |
| 0.5 | 105.0 | 2.99 | 0.717 |
| 0.5 | 135.0 | 7.12 | 2.06 |
| 0.5 | 165.0 | 1.63 | 0.475 |
| 0.5 | 195.0 | 2.31 | 0.684 |
| 0.5 | 225.0 | 3.69 | 1.13 |
| 0.5 | 255.0 | 3.78 | 0.8 |
| 0.5 | 285.0 | 2.04 | 0.418 |
| 0.5 | 315.0 | 3.74 | 0.586 |
| 0.5 | 345.0 | 2.0 | 0.368 |
| 0.7 | 15.0 | 1.19 | 0.229 |
| 0.7 | 45.0 | 1.87 | 0.343 |
| 0.7 | 75.0 | 2.74 | 0.536 |
| 0.7 | 105.0 | 2.69 | 0.739 |
| 0.7 | 135.0 | 1.66 | 0.502 |
| 0.7 | 165.0 | 2.04 | 0.6 |
| 0.7 | 195.0 | 2.71 | 0.732 |
| 0.7 | 225.0 | 3.19 | 0.963 |
| 0.7 | 255.0 | 2.35 | 0.621 |
| 0.7 | 285.0 | 2.46 | 0.54 |
| 0.7 | 315.0 | 1.52 | 0.28 |
| 0.7 | 345.0 | 0.874 | 0.191 |
| 0.9 | 15.0 | 1.12 | 0.269 |
| 0.9 | 45.0 | 0.513 | 0.174 |
| 0.9 | 75.0 | 0.85 | 0.232 |
| 0.9 | 105.0 | 1.5 | 0.478 |
| 0.9 | 135.0 | 2.14 | 0.68 |
| 0.9 | 165.0 | 1.6 | 0.441 |
| 0.9 | 195.0 | 1.96 | 0.559 |
| 0.9 | 225.0 | 1.71 | 0.559 |
| 0.9 | 255.0 | 1.32 | 0.518 |
| 0.9 | 285.0 | 2.9 | 0.701 |
| 0.9 | 315.0 | 2.15 | 0.511 |
| 0.9 | 345.0 | 0.649 | 0.186 |
Experiment comment: