Measurement E9M217
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.56 GeV | |
| ε: | 0.712 | |
| 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 | 0.459 | 0.177 |
| -0.9 | 45.0 | 0.554 | 0.223 |
| -0.9 | 75.0 | 0.744 | 0.283 |
| -0.9 | 105.0 | 0.302 | 0.225 |
| -0.9 | 135.0 | 0.606 | 0.33 |
| -0.9 | 165.0 | 0.312 | 0.166 |
| -0.9 | 195.0 | 0.801 | 0.387 |
| -0.9 | 225.0 | 0.293 | 0.179 |
| -0.9 | 255.0 | 1.42 | 0.676 |
| -0.9 | 285.0 | 0.958 | 0.395 |
| -0.9 | 315.0 | 0.39 | 0.178 |
| -0.9 | 345.0 | 0.549 | 0.217 |
| -0.7 | 15.0 | 0.697 | 0.241 |
| -0.7 | 45.0 | 0.634 | 0.251 |
| -0.7 | 75.0 | 1.27 | 0.61 |
| -0.7 | 105.0 | 0.357 | 0.377 |
| -0.7 | 135.0 | 1.76 | 2.16 |
| -0.7 | 165.0 | 0.596 | 0.655 |
| -0.7 | 195.0 | 1.28 | 0.871 |
| -0.7 | 225.0 | 3.93 | 5.56 |
| -0.7 | 255.0 | 1.22 | 1.06 |
| -0.7 | 285.0 | 0.194 | 0.141 |
| -0.7 | 315.0 | 0.759 | 0.303 |
| -0.7 | 345.0 | 0.98 | 0.287 |
| -0.5 | 15.0 | 0.938 | 0.295 |
| -0.5 | 45.0 | 1.35 | 0.489 |
| -0.5 | 75.0 | 1.17 | 0.478 |
| -0.5 | 105.0 | 0.833 | 0.271 |
| -0.5 | 135.0 | 1.36 | 0.469 |
| -0.5 | 195.0 | 1.26 | 1.54 |
| -0.5 | 225.0 | 1.27 | 0.456 |
| -0.5 | 255.0 | 1.18 | 0.425 |
| -0.5 | 285.0 | 0.515 | 0.25 |
| -0.5 | 315.0 | 0.572 | 0.222 |
| -0.5 | 345.0 | 0.766 | 0.236 |
| -0.3 | 15.0 | 1.02 | 0.27 |
| -0.3 | 45.0 | 0.57 | 0.25 |
| -0.3 | 75.0 | 1.84 | 0.555 |
| -0.3 | 105.0 | 1.44 | 0.33 |
| -0.3 | 135.0 | 1.11 | 0.295 |
| -0.3 | 225.0 | 1.59 | 0.402 |
| -0.3 | 255.0 | 1.64 | 0.374 |
| -0.3 | 285.0 | 2.25 | 0.797 |
| -0.3 | 315.0 | 0.472 | 0.206 |
| -0.3 | 345.0 | 1.4 | 0.366 |
| -0.1 | 15.0 | 0.918 | 0.47 |
| -0.1 | 45.0 | 1.16 | 0.413 |
| -0.1 | 75.0 | 1.76 | 0.467 |
| -0.1 | 105.0 | 1.42 | 0.318 |
| -0.1 | 135.0 | 2.12 | 0.52 |
| -0.1 | 195.0 | 2.85 | 4.04 |
| -0.1 | 225.0 | 1.35 | 0.397 |
| -0.1 | 255.0 | 2.11 | 0.396 |
| -0.1 | 285.0 | 1.75 | 0.465 |
| -0.1 | 315.0 | 0.929 | 0.343 |
| -0.1 | 345.0 | 0.45 | 0.198 |
| 0.1 | 15.0 | 0.248 | 0.182 |
| 0.1 | 45.0 | 0.964 | 0.359 |
| 0.1 | 75.0 | 2.38 | 0.579 |
| 0.1 | 105.0 | 3.01 | 0.549 |
| 0.1 | 135.0 | 1.35 | 0.451 |
| 0.1 | 225.0 | 1.02 | 0.324 |
| 0.1 | 255.0 | 3.16 | 0.589 |
| 0.1 | 285.0 | 3.39 | 0.693 |
| 0.1 | 315.0 | 2.3 | 0.645 |
| 0.1 | 345.0 | 0.978 | 0.426 |
| 0.3 | 15.0 | 1.05 | 0.516 |
| 0.3 | 45.0 | 0.851 | 0.317 |
| 0.3 | 75.0 | 1.72 | 0.365 |
| 0.3 | 105.0 | 1.29 | 0.33 |
| 0.3 | 135.0 | 0.421 | 0.26 |
| 0.3 | 165.0 | 2.99 | 2.13 |
| 0.3 | 195.0 | 0.465 | 0.359 |
| 0.3 | 225.0 | 1.76 | 0.737 |
| 0.3 | 255.0 | 2.13 | 0.409 |
| 0.3 | 285.0 | 1.7 | 0.397 |
| 0.3 | 315.0 | 1.13 | 0.411 |
| 0.3 | 345.0 | 0.697 | 0.312 |
| 0.5 | 15.0 | 1.61 | 0.773 |
| 0.5 | 45.0 | 1.9 | 0.633 |
| 0.5 | 75.0 | 1.53 | 0.415 |
| 0.5 | 105.0 | 1.95 | 0.425 |
| 0.5 | 135.0 | 0.436 | 0.332 |
| 0.5 | 165.0 | 1.14 | 0.659 |
| 0.5 | 195.0 | 0.371 | 0.237 |
| 0.5 | 225.0 | 0.825 | 0.655 |
| 0.5 | 255.0 | 1.58 | 0.409 |
| 0.5 | 285.0 | 1.22 | 0.281 |
| 0.5 | 315.0 | 0.142 | 0.103 |
| 0.5 | 345.0 | 0.42 | 0.231 |
| 0.7 | 15.0 | 0.412 | 0.187 |
| 0.7 | 45.0 | 0.969 | 0.416 |
| 0.7 | 75.0 | 0.604 | 0.177 |
| 0.7 | 105.0 | 0.718 | 0.255 |
| 0.7 | 135.0 | 0.703 | 0.39 |
| 0.7 | 165.0 | 1.37 | 1.01 |
| 0.7 | 195.0 | 0.616 | 0.38 |
| 0.7 | 255.0 | 1.09 | 0.322 |
| 0.7 | 285.0 | 0.699 | 0.232 |
| 0.7 | 315.0 | 1.06 | 0.486 |
| 0.7 | 345.0 | 0.432 | 0.203 |
| 0.9 | 15.0 | 0.788 | 0.426 |
| 0.9 | 45.0 | 1.76 | 0.835 |
| 0.9 | 75.0 | 0.923 | 0.343 |
| 0.9 | 105.0 | 0.511 | 0.231 |
| 0.9 | 135.0 | 0.569 | 0.379 |
| 0.9 | 255.0 | 0.829 | 0.323 |
| 0.9 | 285.0 | 1.27 | 0.63 |
| 0.9 | 315.0 | 0.626 | 0.319 |
| 0.9 | 345.0 | 0.217 | 0.176 |
Experiment comment: