Measurement E9M191
| 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: | 1.64 GeV | |
| ε: | 0.688 | |
| 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 | 1.36 | 0.374 |
| -0.9 | 45.0 | 1.55 | 0.505 |
| -0.9 | 75.0 | 0.748 | 0.338 |
| -0.9 | 105.0 | 1.44 | 1.18 |
| -0.9 | 135.0 | 0.859 | 0.56 |
| -0.9 | 165.0 | 0.243 | 0.15 |
| -0.9 | 195.0 | 0.543 | 0.348 |
| -0.9 | 225.0 | 0.491 | 0.389 |
| -0.9 | 255.0 | 3.95 | 2.51 |
| -0.9 | 285.0 | 0.967 | 0.397 |
| -0.9 | 315.0 | 0.961 | 0.338 |
| -0.9 | 345.0 | 2.07 | 0.549 |
| -0.7 | 15.0 | 1.11 | 0.316 |
| -0.7 | 45.0 | 1.01 | 0.328 |
| -0.7 | 75.0 | 0.702 | 0.44 |
| -0.7 | 105.0 | 1.68 | 0.729 |
| -0.7 | 135.0 | 2.65 | 1.14 |
| -0.7 | 225.0 | 1.05 | 0.59 |
| -0.7 | 255.0 | 1.7 | 0.834 |
| -0.7 | 285.0 | 0.948 | 0.556 |
| -0.7 | 315.0 | 1.59 | 0.507 |
| -0.7 | 345.0 | 1.27 | 0.348 |
| -0.5 | 15.0 | 1.5 | 0.38 |
| -0.5 | 45.0 | 0.795 | 0.299 |
| -0.5 | 75.0 | 1.25 | 0.473 |
| -0.5 | 105.0 | 1.05 | 0.292 |
| -0.5 | 135.0 | 1.07 | 0.284 |
| -0.5 | 225.0 | 0.78 | 0.241 |
| -0.5 | 255.0 | 0.989 | 0.28 |
| -0.5 | 285.0 | 1.17 | 0.486 |
| -0.5 | 315.0 | 0.368 | 0.196 |
| -0.5 | 345.0 | 0.888 | 0.233 |
| -0.3 | 15.0 | 0.51 | 0.165 |
| -0.3 | 45.0 | 1.1 | 0.393 |
| -0.3 | 75.0 | 1.56 | 0.455 |
| -0.3 | 105.0 | 1.2 | 0.275 |
| -0.3 | 135.0 | 0.448 | 0.216 |
| -0.3 | 225.0 | 1.26 | 0.598 |
| -0.3 | 255.0 | 1.32 | 0.305 |
| -0.3 | 285.0 | 0.62 | 0.225 |
| -0.3 | 315.0 | 0.221 | 0.161 |
| -0.3 | 345.0 | 0.419 | 0.142 |
| -0.1 | 15.0 | 0.61 | 0.22 |
| -0.1 | 45.0 | 1.32 | 0.52 |
| -0.1 | 75.0 | 1.46 | 0.346 |
| -0.1 | 105.0 | 1.54 | 0.319 |
| -0.1 | 135.0 | 2.54 | 1.16 |
| -0.1 | 165.0 | 13.2 | 14.5 |
| -0.1 | 195.0 | 3.98 | 3.26 |
| -0.1 | 225.0 | 3.41 | 1.47 |
| -0.1 | 255.0 | 1.83 | 0.396 |
| -0.1 | 285.0 | 0.847 | 0.212 |
| -0.1 | 315.0 | 0.674 | 0.257 |
| -0.1 | 345.0 | 0.642 | 0.207 |
| 0.1 | 15.0 | 2.13 | 0.895 |
| 0.1 | 45.0 | 0.535 | 0.215 |
| 0.1 | 75.0 | 0.904 | 0.26 |
| 0.1 | 105.0 | 1.6 | 0.327 |
| 0.1 | 135.0 | 4.07 | 1.94 |
| 0.1 | 165.0 | 0.488 | 0.222 |
| 0.1 | 195.0 | 2.35 | 0.947 |
| 0.1 | 225.0 | 1.03 | 0.563 |
| 0.1 | 255.0 | 1.87 | 0.398 |
| 0.1 | 285.0 | 1.12 | 0.244 |
| 0.1 | 315.0 | 1.22 | 0.396 |
| 0.1 | 345.0 | 0.311 | 0.233 |
| 0.3 | 15.0 | 1.26 | 0.537 |
| 0.3 | 45.0 | 0.631 | 0.338 |
| 0.3 | 75.0 | 1.43 | 0.312 |
| 0.3 | 105.0 | 1.58 | 0.399 |
| 0.3 | 135.0 | 1.06 | 0.407 |
| 0.3 | 165.0 | 1.37 | 0.645 |
| 0.3 | 195.0 | 2.53 | 1.03 |
| 0.3 | 225.0 | 0.996 | 0.308 |
| 0.3 | 255.0 | 1.68 | 0.389 |
| 0.3 | 285.0 | 1.25 | 0.279 |
| 0.3 | 315.0 | 1.18 | 0.541 |
| 0.3 | 345.0 | 0.522 | 0.264 |
| 0.5 | 15.0 | 0.193 | 0.145 |
| 0.5 | 45.0 | 0.622 | 0.254 |
| 0.5 | 75.0 | 1.7 | 0.361 |
| 0.5 | 105.0 | 1.47 | 0.416 |
| 0.5 | 135.0 | 1.69 | 0.476 |
| 0.5 | 165.0 | 1.12 | 0.43 |
| 0.5 | 195.0 | 0.902 | 0.39 |
| 0.5 | 225.0 | 1.71 | 0.506 |
| 0.5 | 255.0 | 1.81 | 0.523 |
| 0.5 | 285.0 | 1.35 | 0.269 |
| 0.5 | 315.0 | 0.207 | 0.151 |
| 0.5 | 345.0 | 0.998 | 0.562 |
| 0.7 | 15.0 | 0.773 | 0.337 |
| 0.7 | 45.0 | 1.67 | 0.573 |
| 0.7 | 75.0 | 1.37 | 0.348 |
| 0.7 | 105.0 | 1.52 | 0.357 |
| 0.7 | 135.0 | 1.42 | 0.378 |
| 0.7 | 165.0 | 0.796 | 0.446 |
| 0.7 | 195.0 | 0.677 | 0.31 |
| 0.7 | 225.0 | 1.1 | 0.319 |
| 0.7 | 255.0 | 1.41 | 0.351 |
| 0.7 | 285.0 | 1.09 | 0.263 |
| 0.7 | 315.0 | 0.832 | 0.353 |
| 0.7 | 345.0 | 0.503 | 0.262 |
| 0.9 | 15.0 | 1.7 | 0.71 |
| 0.9 | 45.0 | 2.51 | 0.929 |
| 0.9 | 75.0 | 0.852 | 0.235 |
| 0.9 | 105.0 | 1.21 | 0.338 |
| 0.9 | 135.0 | 1.43 | 0.556 |
| 0.9 | 165.0 | 1.11 | 0.572 |
| 0.9 | 195.0 | 0.656 | 0.422 |
| 0.9 | 225.0 | 1.09 | 0.416 |
| 0.9 | 255.0 | 1.82 | 0.469 |
| 0.9 | 285.0 | 1.03 | 0.27 |
| 0.9 | 315.0 | 1.19 | 0.483 |
| 0.9 | 345.0 | 1.02 | 0.35 |
Experiment comment: