Measurement E9M179
| 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: | 1.4 GeV | |
| ε: | 0.826 | |
| 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 | 0.348 | 0.167 |
| -0.9 | 45.0 | 0.174 | 0.107 |
| -0.9 | 75.0 | 0.593 | 0.273 |
| -0.9 | 105.0 | 0.343 | 0.185 |
| -0.9 | 135.0 | 1.2 | 0.45 |
| -0.9 | 165.0 | 0.833 | 0.347 |
| -0.9 | 195.0 | 1.36 | 0.465 |
| -0.9 | 225.0 | 1.01 | 0.392 |
| -0.9 | 255.0 | 0.999 | 0.371 |
| -0.9 | 285.0 | 1.04 | 0.403 |
| -0.9 | 315.0 | 0.19 | 0.116 |
| -0.9 | 345.0 | 0.369 | 0.164 |
| -0.7 | 15.0 | 0.439 | 0.158 |
| -0.7 | 45.0 | 0.828 | 0.285 |
| -0.7 | 75.0 | 2.23 | 0.683 |
| -0.7 | 105.0 | 0.557 | 0.336 |
| -0.7 | 135.0 | 3.2 | 1.16 |
| -0.7 | 165.0 | 1.42 | 0.401 |
| -0.7 | 195.0 | 1.78 | 0.551 |
| -0.7 | 225.0 | 0.488 | 0.361 |
| -0.7 | 255.0 | 4.99 | 2.21 |
| -0.7 | 285.0 | 1.38 | 0.466 |
| -0.7 | 315.0 | 0.894 | 0.296 |
| -0.7 | 345.0 | 0.325 | 0.131 |
| -0.5 | 15.0 | 0.659 | 0.17 |
| -0.5 | 45.0 | 1.7 | 0.395 |
| -0.5 | 75.0 | 1.55 | 0.691 |
| -0.5 | 105.0 | 4.66 | 2.8 |
| -0.5 | 135.0 | 3.8 | 4.65 |
| -0.5 | 165.0 | 1.46 | 0.683 |
| -0.5 | 195.0 | 1.42 | 0.503 |
| -0.5 | 255.0 | 2.5 | 1.61 |
| -0.5 | 285.0 | 2.29 | 0.885 |
| -0.5 | 315.0 | 1.64 | 0.398 |
| -0.5 | 345.0 | 1.18 | 0.267 |
| -0.3 | 15.0 | 1.42 | 0.322 |
| -0.3 | 45.0 | 1.33 | 0.308 |
| -0.3 | 75.0 | 2.07 | 1.12 |
| -0.3 | 105.0 | 3.89 | 1.35 |
| -0.3 | 135.0 | 1.92 | 0.767 |
| -0.3 | 195.0 | 0.196 | 0.201 |
| -0.3 | 225.0 | 1.71 | 0.845 |
| -0.3 | 255.0 | 3.37 | 1.29 |
| -0.3 | 285.0 | 4.92 | 2.18 |
| -0.3 | 315.0 | 1.76 | 0.438 |
| -0.3 | 345.0 | 1.19 | 0.239 |
| -0.1 | 15.0 | 1.16 | 0.276 |
| -0.1 | 45.0 | 1.61 | 0.412 |
| -0.1 | 75.0 | 1.51 | 0.714 |
| -0.1 | 105.0 | 3.2 | 0.741 |
| -0.1 | 135.0 | 4.4 | 1.07 |
| -0.1 | 165.0 | 0.722 | 0.78 |
| -0.1 | 195.0 | 2.39 | 1.69 |
| -0.1 | 225.0 | 3.83 | 0.968 |
| -0.1 | 255.0 | 3.7 | 0.763 |
| -0.1 | 285.0 | 4.26 | 1.57 |
| -0.1 | 315.0 | 2.07 | 0.461 |
| -0.1 | 345.0 | 1.72 | 0.385 |
| 0.1 | 15.0 | 2.62 | 0.51 |
| 0.1 | 45.0 | 3.2 | 0.637 |
| 0.1 | 75.0 | 3.02 | 0.851 |
| 0.1 | 105.0 | 2.4 | 0.474 |
| 0.1 | 135.0 | 3.03 | 0.66 |
| 0.1 | 165.0 | 4.34 | 2.64 |
| 0.1 | 195.0 | 3.12 | 2.28 |
| 0.1 | 225.0 | 3.76 | 0.75 |
| 0.1 | 255.0 | 4.36 | 0.754 |
| 0.1 | 285.0 | 2.16 | 0.686 |
| 0.1 | 315.0 | 2.01 | 0.478 |
| 0.1 | 345.0 | 1.88 | 0.413 |
| 0.3 | 15.0 | 1.68 | 0.356 |
| 0.3 | 45.0 | 2.04 | 0.528 |
| 0.3 | 75.0 | 3.15 | 0.777 |
| 0.3 | 105.0 | 2.16 | 0.418 |
| 0.3 | 135.0 | 1.65 | 0.368 |
| 0.3 | 165.0 | 11.5 | 6.95 |
| 0.3 | 195.0 | 1.78 | 0.942 |
| 0.3 | 225.0 | 2.33 | 0.53 |
| 0.3 | 255.0 | 2.77 | 0.55 |
| 0.3 | 285.0 | 2.42 | 0.693 |
| 0.3 | 315.0 | 1.94 | 0.43 |
| 0.3 | 345.0 | 1.89 | 0.423 |
| 0.5 | 15.0 | 1.76 | 0.375 |
| 0.5 | 45.0 | 2.12 | 0.556 |
| 0.5 | 75.0 | 3.44 | 1.02 |
| 0.5 | 105.0 | 2.09 | 0.535 |
| 0.5 | 135.0 | 1.03 | 0.267 |
| 0.5 | 165.0 | 5.14 | 2.32 |
| 0.5 | 195.0 | 0.969 | 0.541 |
| 0.5 | 225.0 | 3.26 | 0.818 |
| 0.5 | 255.0 | 1.78 | 0.432 |
| 0.5 | 285.0 | 3.22 | 0.879 |
| 0.5 | 315.0 | 2.29 | 0.59 |
| 0.5 | 345.0 | 0.975 | 0.256 |
| 0.7 | 15.0 | 1.12 | 0.308 |
| 0.7 | 45.0 | 0.627 | 0.226 |
| 0.7 | 75.0 | 1.81 | 0.691 |
| 0.7 | 105.0 | 1.53 | 0.478 |
| 0.7 | 135.0 | 1.3 | 0.372 |
| 0.7 | 165.0 | 1.17 | 0.786 |
| 0.7 | 195.0 | 2.44 | 1.44 |
| 0.7 | 225.0 | 0.817 | 0.25 |
| 0.7 | 255.0 | 1.07 | 0.346 |
| 0.7 | 285.0 | 0.847 | 0.328 |
| 0.7 | 315.0 | 0.708 | 0.256 |
| 0.7 | 345.0 | 1.07 | 0.336 |
| 0.9 | 15.0 | 0.441 | 0.239 |
| 0.9 | 45.0 | 1.5 | 0.53 |
| 0.9 | 75.0 | 1.13 | 0.426 |
| 0.9 | 105.0 | 3.75 | 1.5 |
| 0.9 | 135.0 | 3.52 | 2.15 |
| 0.9 | 165.0 | 0.755 | 0.539 |
| 0.9 | 195.0 | 0.859 | 0.514 |
| 0.9 | 225.0 | 0.796 | 0.379 |
| 0.9 | 255.0 | 1.87 | 0.899 |
| 0.9 | 285.0 | 0.951 | 0.487 |
| 0.9 | 315.0 | 0.882 | 0.306 |
| 0.9 | 345.0 | 1.24 | 0.531 |
Experiment comment: