Measurement E9M184
| 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: | 1.5 GeV | |
| ε: | 0.779 | |
| 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 | 0.676 | 0.309 |
| -0.9 | 45.0 | 0.39 | 0.16 |
| -0.9 | 75.0 | 0.65 | 0.27 |
| -0.9 | 105.0 | 0.287 | 0.21 |
| -0.9 | 135.0 | 1.46 | 0.547 |
| -0.9 | 165.0 | 3.15 | 1.04 |
| -0.9 | 195.0 | 1.06 | 0.29 |
| -0.9 | 225.0 | 1.34 | 0.418 |
| -0.9 | 255.0 | 0.443 | 0.237 |
| -0.9 | 285.0 | 0.468 | 0.224 |
| -0.9 | 315.0 | 0.699 | 0.253 |
| -0.9 | 345.0 | 0.243 | 0.117 |
| -0.7 | 15.0 | 0.535 | 0.203 |
| -0.7 | 45.0 | 0.647 | 0.196 |
| -0.7 | 75.0 | 0.385 | 0.231 |
| -0.7 | 105.0 | 1.16 | 0.882 |
| -0.7 | 135.0 | 1.09 | 1.17 |
| -0.7 | 165.0 | 1.97 | 0.673 |
| -0.7 | 195.0 | 1.79 | 0.629 |
| -0.7 | 225.0 | 1.07 | 1.17 |
| -0.7 | 255.0 | 2.22 | 1.79 |
| -0.7 | 285.0 | 1.09 | 0.448 |
| -0.7 | 315.0 | 1.02 | 0.319 |
| -0.7 | 345.0 | 0.697 | 0.228 |
| -0.5 | 15.0 | 1.1 | 0.247 |
| -0.5 | 45.0 | 1.51 | 0.489 |
| -0.5 | 75.0 | 3.66 | 1.85 |
| -0.5 | 105.0 | 1.3 | 0.418 |
| -0.5 | 135.0 | 3.0 | 0.927 |
| -0.5 | 225.0 | 2.37 | 0.752 |
| -0.5 | 255.0 | 3.04 | 0.839 |
| -0.5 | 285.0 | 2.14 | 0.828 |
| -0.5 | 315.0 | 1.99 | 0.52 |
| -0.5 | 345.0 | 0.854 | 0.245 |
| -0.3 | 15.0 | 1.06 | 0.204 |
| -0.3 | 45.0 | 2.35 | 0.572 |
| -0.3 | 75.0 | 6.26 | 1.52 |
| -0.3 | 105.0 | 3.0 | 0.512 |
| -0.3 | 135.0 | 3.0 | 0.511 |
| -0.3 | 165.0 | 4.38 | 2.27 |
| -0.3 | 195.0 | 1.41 | 0.892 |
| -0.3 | 225.0 | 4.39 | 0.742 |
| -0.3 | 255.0 | 3.65 | 0.629 |
| -0.3 | 285.0 | 4.74 | 1.18 |
| -0.3 | 315.0 | 2.84 | 0.7 |
| -0.3 | 345.0 | 0.777 | 0.19 |
| -0.1 | 15.0 | 1.61 | 0.398 |
| -0.1 | 45.0 | 1.88 | 0.522 |
| -0.1 | 75.0 | 1.79 | 0.462 |
| -0.1 | 105.0 | 3.13 | 0.475 |
| -0.1 | 135.0 | 2.72 | 0.473 |
| -0.1 | 165.0 | 2.5 | 1.2 |
| -0.1 | 195.0 | 3.59 | 1.58 |
| -0.1 | 225.0 | 3.69 | 0.628 |
| -0.1 | 255.0 | 5.39 | 0.786 |
| -0.1 | 285.0 | 3.92 | 0.8 |
| -0.1 | 315.0 | 0.955 | 0.353 |
| -0.1 | 345.0 | 1.27 | 0.33 |
| 0.1 | 15.0 | 1.37 | 0.417 |
| 0.1 | 45.0 | 2.23 | 0.624 |
| 0.1 | 75.0 | 2.92 | 0.575 |
| 0.1 | 105.0 | 5.69 | 0.796 |
| 0.1 | 135.0 | 3.26 | 0.627 |
| 0.1 | 225.0 | 3.96 | 0.691 |
| 0.1 | 255.0 | 4.84 | 0.653 |
| 0.1 | 285.0 | 2.52 | 0.529 |
| 0.1 | 315.0 | 2.36 | 0.686 |
| 0.1 | 345.0 | 2.16 | 0.56 |
| 0.3 | 15.0 | 1.01 | 0.331 |
| 0.3 | 45.0 | 1.49 | 0.482 |
| 0.3 | 75.0 | 2.95 | 0.539 |
| 0.3 | 105.0 | 4.59 | 0.685 |
| 0.3 | 135.0 | 2.4 | 0.594 |
| 0.3 | 225.0 | 4.22 | 0.973 |
| 0.3 | 255.0 | 4.6 | 0.71 |
| 0.3 | 285.0 | 4.25 | 0.772 |
| 0.3 | 315.0 | 1.48 | 0.478 |
| 0.3 | 345.0 | 1.05 | 0.377 |
| 0.5 | 15.0 | 2.86 | 0.784 |
| 0.5 | 45.0 | 1.73 | 0.504 |
| 0.5 | 75.0 | 3.49 | 0.597 |
| 0.5 | 105.0 | 3.01 | 0.569 |
| 0.5 | 135.0 | 2.57 | 0.771 |
| 0.5 | 195.0 | 4.36 | 3.99 |
| 0.5 | 225.0 | 3.18 | 0.831 |
| 0.5 | 255.0 | 2.36 | 0.438 |
| 0.5 | 285.0 | 2.02 | 0.378 |
| 0.5 | 315.0 | 2.39 | 0.782 |
| 0.5 | 345.0 | 1.7 | 0.424 |
| 0.7 | 15.0 | 1.64 | 0.471 |
| 0.7 | 45.0 | 1.96 | 0.658 |
| 0.7 | 75.0 | 2.63 | 0.558 |
| 0.7 | 105.0 | 1.25 | 0.309 |
| 0.7 | 135.0 | 1.82 | 0.688 |
| 0.7 | 165.0 | 1.35 | 1.06 |
| 0.7 | 225.0 | 1.57 | 0.528 |
| 0.7 | 255.0 | 1.88 | 0.432 |
| 0.7 | 285.0 | 2.42 | 0.474 |
| 0.7 | 315.0 | 1.79 | 0.644 |
| 0.7 | 345.0 | 1.12 | 0.361 |
| 0.9 | 15.0 | 0.907 | 0.385 |
| 0.9 | 45.0 | 1.11 | 0.462 |
| 0.9 | 75.0 | 1.73 | 0.534 |
| 0.9 | 105.0 | 1.58 | 0.416 |
| 0.9 | 135.0 | 1.36 | 0.705 |
| 0.9 | 225.0 | 0.548 | 0.264 |
| 0.9 | 255.0 | 0.491 | 0.174 |
| 0.9 | 285.0 | 2.14 | 0.655 |
| 0.9 | 315.0 | 0.82 | 0.374 |
| 0.9 | 345.0 | 0.236 | 0.127 |
Experiment comment: