Measurement E9M70
| 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: | 1.6 — 2.0 GeV2 | |
| W: | 1.3 GeV | |
| ε: | 0.533 | |
| 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 | 1.97 | 1.81 |
| -0.9 | 45.0 | 0.244 | 0.19 |
| -0.9 | 75.0 | 0.247 | 0.264 |
| -0.9 | 105.0 | 1.07 | 0.797 |
| -0.9 | 135.0 | 0.221 | 0.256 |
| -0.9 | 165.0 | 0.419 | 0.281 |
| -0.9 | 195.0 | 0.162 | 0.127 |
| -0.9 | 225.0 | 1.2 | 0.623 |
| -0.9 | 255.0 | 0.815 | 0.606 |
| -0.9 | 285.0 | 0.631 | 0.308 |
| -0.9 | 315.0 | 0.565 | 0.295 |
| -0.9 | 345.0 | 0.191 | 0.149 |
| -0.7 | 15.0 | 1.02 | 0.5 |
| -0.7 | 45.0 | 0.254 | 0.139 |
| -0.7 | 75.0 | 0.519 | 0.291 |
| -0.7 | 105.0 | 0.62 | 0.246 |
| -0.7 | 135.0 | 1.3 | 0.623 |
| -0.7 | 165.0 | 0.755 | 0.357 |
| -0.7 | 195.0 | 0.547 | 0.296 |
| -0.7 | 225.0 | 0.893 | 0.442 |
| -0.7 | 255.0 | 0.158 | 0.117 |
| -0.7 | 285.0 | 0.45 | 0.248 |
| -0.7 | 315.0 | 0.0857 | 0.0628 |
| -0.7 | 345.0 | 0.242 | 0.149 |
| -0.5 | 15.0 | 0.711 | 0.286 |
| -0.5 | 45.0 | 0.695 | 0.284 |
| -0.5 | 75.0 | 1.23 | 0.425 |
| -0.5 | 105.0 | 0.469 | 0.197 |
| -0.5 | 135.0 | 0.853 | 0.557 |
| -0.5 | 165.0 | 0.593 | 0.287 |
| -0.5 | 195.0 | 0.556 | 0.204 |
| -0.5 | 225.0 | 0.334 | 0.251 |
| -0.5 | 255.0 | 0.825 | 0.346 |
| -0.5 | 285.0 | 2.67 | 1.2 |
| -0.5 | 315.0 | 0.72 | 0.289 |
| -0.5 | 345.0 | 0.874 | 0.322 |
| -0.3 | 15.0 | 0.671 | 0.276 |
| -0.3 | 45.0 | 1.15 | 0.476 |
| -0.3 | 75.0 | 1.07 | 0.387 |
| -0.3 | 105.0 | 1.57 | 0.583 |
| -0.3 | 135.0 | 0.529 | 0.301 |
| -0.3 | 165.0 | 1.83 | 0.8 |
| -0.3 | 195.0 | 1.32 | 0.6 |
| -0.3 | 225.0 | 1.6 | 0.868 |
| -0.3 | 255.0 | 1.75 | 0.663 |
| -0.3 | 285.0 | 0.679 | 0.284 |
| -0.3 | 315.0 | 0.455 | 0.242 |
| -0.3 | 345.0 | 2.07 | 0.821 |
| -0.1 | 15.0 | 2.79 | 1.03 |
| -0.1 | 45.0 | 1.06 | 0.417 |
| -0.1 | 75.0 | 2.22 | 0.763 |
| -0.1 | 105.0 | 1.56 | 0.553 |
| -0.1 | 135.0 | 0.575 | 0.364 |
| -0.1 | 165.0 | 0.803 | 0.402 |
| -0.1 | 195.0 | 0.229 | 0.172 |
| -0.1 | 225.0 | 1.04 | 0.493 |
| -0.1 | 255.0 | 1.36 | 0.493 |
| -0.1 | 285.0 | 1.21 | 0.4 |
| -0.1 | 315.0 | 0.913 | 0.368 |
| -0.1 | 345.0 | 1.1 | 0.389 |
| 0.1 | 15.0 | 0.697 | 0.283 |
| 0.1 | 45.0 | 0.643 | 0.255 |
| 0.1 | 75.0 | 3.69 | 1.29 |
| 0.1 | 105.0 | 1.69 | 0.729 |
| 0.1 | 135.0 | 0.511 | 0.219 |
| 0.1 | 165.0 | 0.621 | 0.337 |
| 0.1 | 195.0 | 1.51 | 1.09 |
| 0.1 | 225.0 | 1.89 | 0.886 |
| 0.1 | 255.0 | 3.8 | 1.63 |
| 0.1 | 285.0 | 1.25 | 0.403 |
| 0.1 | 315.0 | 1.95 | 0.735 |
| 0.1 | 345.0 | 1.05 | 0.352 |
| 0.3 | 15.0 | 0.413 | 0.177 |
| 0.3 | 45.0 | 0.945 | 0.351 |
| 0.3 | 75.0 | 0.745 | 0.402 |
| 0.3 | 105.0 | 1.01 | 0.435 |
| 0.3 | 135.0 | 1.02 | 0.597 |
| 0.3 | 165.0 | 0.551 | 0.358 |
| 0.3 | 195.0 | 1.25 | 0.677 |
| 0.3 | 225.0 | 1.54 | 0.766 |
| 0.3 | 255.0 | 2.49 | 0.92 |
| 0.3 | 285.0 | 1.7 | 0.69 |
| 0.3 | 315.0 | 1.87 | 0.605 |
| 0.3 | 345.0 | 0.871 | 0.325 |
| 0.5 | 15.0 | 0.476 | 0.225 |
| 0.5 | 45.0 | 1.64 | 0.767 |
| 0.5 | 75.0 | 0.822 | 0.385 |
| 0.5 | 105.0 | 0.36 | 0.227 |
| 0.5 | 135.0 | 0.611 | 0.401 |
| 0.5 | 165.0 | 1.55 | 0.922 |
| 0.5 | 195.0 | 1.27 | 0.668 |
| 0.5 | 225.0 | 0.611 | 0.473 |
| 0.5 | 255.0 | 2.76 | 1.18 |
| 0.5 | 285.0 | 1.95 | 0.854 |
| 0.5 | 315.0 | 1.01 | 0.355 |
| 0.5 | 345.0 | 0.797 | 0.318 |
| 0.7 | 15.0 | 0.158 | 0.165 |
| 0.7 | 45.0 | 0.895 | 0.479 |
| 0.7 | 75.0 | 1.26 | 0.603 |
| 0.7 | 105.0 | 1.14 | 0.674 |
| 0.7 | 135.0 | 0.848 | 0.557 |
| 0.7 | 165.0 | 1.48 | 0.817 |
| 0.7 | 195.0 | 1.15 | 0.561 |
| 0.7 | 225.0 | 1.49 | 0.966 |
| 0.7 | 255.0 | 0.6 | 0.31 |
| 0.7 | 285.0 | 2.54 | 1.14 |
| 0.7 | 315.0 | 0.155 | 0.16 |
| 0.7 | 345.0 | 0.564 | 0.288 |
| 0.9 | 15.0 | 0.75 | 0.687 |
| 0.9 | 45.0 | 1.43 | 1.09 |
| 0.9 | 75.0 | 0.382 | 0.21 |
| 0.9 | 105.0 | 0.27 | 0.184 |
| 0.9 | 135.0 | 1.5 | 0.946 |
| 0.9 | 165.0 | 0.0968 | 0.0769 |
| 0.9 | 195.0 | 0.541 | 0.661 |
| 0.9 | 225.0 | 1.41 | 1.11 |
| 0.9 | 255.0 | 1.38 | 0.808 |
| 0.9 | 285.0 | 0.931 | 0.534 |
| 0.9 | 315.0 | 0.175 | 0.141 |
| 0.9 | 345.0 | 0.698 | 0.403 |
Experiment comment: