Measurement E9M182
| 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: | 0.6 — 0.7 GeV2 | |
| W: | 1.46 GeV | |
| ε: | 0.799 | |
| 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 | 0.537 | 0.243 |
| -0.9 | 45.0 | 0.771 | 0.361 |
| -0.9 | 75.0 | 0.357 | 0.22 |
| -0.9 | 105.0 | 0.233 | 0.17 |
| -0.9 | 135.0 | 1.12 | 0.425 |
| -0.9 | 165.0 | 0.951 | 0.289 |
| -0.9 | 195.0 | 2.43 | 0.645 |
| -0.9 | 225.0 | 0.898 | 0.354 |
| -0.9 | 255.0 | 2.24 | 1.0 |
| -0.9 | 285.0 | 0.838 | 0.33 |
| -0.9 | 315.0 | 0.273 | 0.132 |
| -0.9 | 345.0 | 0.84 | 0.391 |
| -0.7 | 15.0 | 0.58 | 0.226 |
| -0.7 | 45.0 | 1.34 | 0.421 |
| -0.7 | 75.0 | 1.33 | 0.527 |
| -0.7 | 105.0 | 1.3 | 1.0 |
| -0.7 | 135.0 | 3.59 | 2.2 |
| -0.7 | 165.0 | 1.44 | 0.433 |
| -0.7 | 195.0 | 0.877 | 0.322 |
| -0.7 | 225.0 | 3.94 | 1.92 |
| -0.7 | 285.0 | 1.62 | 0.616 |
| -0.7 | 315.0 | 0.734 | 0.254 |
| -0.7 | 345.0 | 0.454 | 0.175 |
| -0.5 | 15.0 | 0.878 | 0.261 |
| -0.5 | 45.0 | 1.44 | 0.385 |
| -0.5 | 75.0 | 1.04 | 0.631 |
| -0.5 | 105.0 | 3.84 | 1.17 |
| -0.5 | 135.0 | 6.4 | 3.32 |
| -0.5 | 165.0 | 2.52 | 1.25 |
| -0.5 | 195.0 | 3.79 | 1.81 |
| -0.5 | 225.0 | 0.981 | 0.522 |
| -0.5 | 255.0 | 3.79 | 1.49 |
| -0.5 | 285.0 | 6.63 | 2.39 |
| -0.5 | 315.0 | 1.13 | 0.367 |
| -0.5 | 345.0 | 1.82 | 0.432 |
| -0.3 | 15.0 | 1.23 | 0.277 |
| -0.3 | 45.0 | 2.3 | 0.599 |
| -0.3 | 75.0 | 2.52 | 0.851 |
| -0.3 | 105.0 | 2.77 | 0.603 |
| -0.3 | 135.0 | 4.15 | 0.867 |
| -0.3 | 165.0 | 0.657 | 0.703 |
| -0.3 | 195.0 | 4.72 | 4.73 |
| -0.3 | 225.0 | 3.69 | 0.781 |
| -0.3 | 255.0 | 5.07 | 0.998 |
| -0.3 | 285.0 | 2.25 | 0.995 |
| -0.3 | 315.0 | 0.736 | 0.243 |
| -0.3 | 345.0 | 1.73 | 0.361 |
| -0.1 | 15.0 | 0.907 | 0.267 |
| -0.1 | 45.0 | 2.2 | 0.545 |
| -0.1 | 75.0 | 2.39 | 0.68 |
| -0.1 | 105.0 | 3.24 | 0.513 |
| -0.1 | 135.0 | 3.64 | 0.674 |
| -0.1 | 165.0 | 3.59 | 1.95 |
| -0.1 | 195.0 | 3.86 | 1.61 |
| -0.1 | 225.0 | 2.81 | 0.521 |
| -0.1 | 255.0 | 3.97 | 0.697 |
| -0.1 | 285.0 | 1.92 | 0.552 |
| -0.1 | 315.0 | 1.54 | 0.419 |
| -0.1 | 345.0 | 1.53 | 0.336 |
| 0.1 | 15.0 | 0.571 | 0.176 |
| 0.1 | 45.0 | 1.92 | 0.532 |
| 0.1 | 75.0 | 2.87 | 0.654 |
| 0.1 | 105.0 | 4.03 | 0.649 |
| 0.1 | 135.0 | 2.38 | 0.442 |
| 0.1 | 165.0 | 1.85 | 0.863 |
| 0.1 | 195.0 | 1.91 | 1.28 |
| 0.1 | 225.0 | 3.48 | 0.613 |
| 0.1 | 255.0 | 1.99 | 0.369 |
| 0.1 | 285.0 | 3.0 | 0.662 |
| 0.1 | 315.0 | 2.79 | 0.653 |
| 0.1 | 345.0 | 1.51 | 0.35 |
| 0.3 | 15.0 | 1.26 | 0.319 |
| 0.3 | 45.0 | 3.06 | 0.897 |
| 0.3 | 75.0 | 2.53 | 0.489 |
| 0.3 | 105.0 | 2.75 | 0.501 |
| 0.3 | 135.0 | 1.73 | 0.485 |
| 0.3 | 165.0 | 5.07 | 7.18 |
| 0.3 | 225.0 | 2.31 | 0.507 |
| 0.3 | 255.0 | 2.0 | 0.437 |
| 0.3 | 285.0 | 2.09 | 0.481 |
| 0.3 | 315.0 | 1.03 | 0.298 |
| 0.3 | 345.0 | 1.53 | 0.394 |
| 0.5 | 15.0 | 1.06 | 0.258 |
| 0.5 | 45.0 | 1.79 | 0.532 |
| 0.5 | 75.0 | 1.47 | 0.343 |
| 0.5 | 105.0 | 1.51 | 0.342 |
| 0.5 | 135.0 | 2.12 | 0.594 |
| 0.5 | 225.0 | 2.91 | 0.822 |
| 0.5 | 255.0 | 2.22 | 0.56 |
| 0.5 | 285.0 | 2.05 | 0.456 |
| 0.5 | 315.0 | 1.93 | 0.55 |
| 0.5 | 345.0 | 2.5 | 0.614 |
| 0.7 | 15.0 | 1.17 | 0.414 |
| 0.7 | 45.0 | 2.5 | 0.727 |
| 0.7 | 75.0 | 1.31 | 0.332 |
| 0.7 | 105.0 | 1.36 | 0.363 |
| 0.7 | 135.0 | 1.57 | 0.498 |
| 0.7 | 165.0 | 4.26 | 6.04 |
| 0.7 | 225.0 | 1.14 | 0.411 |
| 0.7 | 255.0 | 1.05 | 0.309 |
| 0.7 | 285.0 | 1.2 | 0.372 |
| 0.7 | 315.0 | 1.44 | 0.402 |
| 0.7 | 345.0 | 1.06 | 0.353 |
| 0.9 | 15.0 | 0.452 | 0.192 |
| 0.9 | 45.0 | 0.662 | 0.28 |
| 0.9 | 75.0 | 2.02 | 0.775 |
| 0.9 | 105.0 | 1.43 | 0.536 |
| 0.9 | 135.0 | 0.392 | 0.211 |
| 0.9 | 225.0 | 0.504 | 0.274 |
| 0.9 | 255.0 | 1.42 | 0.482 |
| 0.9 | 285.0 | 1.54 | 0.612 |
| 0.9 | 315.0 | 0.415 | 0.204 |
| 0.9 | 345.0 | 0.36 | 0.161 |
Experiment comment: