Measurement E9M255
| 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: | 1.0 — 1.3 GeV2 | |
| W: | 1.12 GeV | |
| ε: | 0.804 | |
| 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 | 0.434 | 0.537 |
| -0.9 | 45.0 | 0.127 | 0.159 |
| -0.9 | 75.0 | 0.0171 | 0.0185 |
| -0.9 | 105.0 | 0.238 | 0.155 |
| -0.9 | 135.0 | 0.412 | 0.338 |
| -0.9 | 165.0 | 0.383 | 0.254 |
| -0.9 | 195.0 | 0.258 | 0.165 |
| -0.9 | 225.0 | 0.92 | 0.395 |
| -0.9 | 255.0 | 1.93 | 1.2 |
| -0.9 | 285.0 | 0.463 | 0.294 |
| -0.9 | 315.0 | 0.418 | 0.271 |
| -0.7 | 15.0 | 0.648 | 0.588 |
| -0.7 | 45.0 | 0.303 | 0.218 |
| -0.7 | 75.0 | 0.635 | 0.437 |
| -0.7 | 105.0 | 0.37 | 0.284 |
| -0.7 | 135.0 | 0.373 | 0.167 |
| -0.7 | 165.0 | 1.25 | 0.656 |
| -0.7 | 195.0 | 1.1 | 0.47 |
| -0.7 | 225.0 | 1.55 | 0.681 |
| -0.7 | 255.0 | 0.574 | 0.315 |
| -0.7 | 285.0 | 0.259 | 0.2 |
| -0.7 | 315.0 | 0.123 | 0.0789 |
| -0.7 | 345.0 | 0.261 | 0.163 |
| -0.5 | 45.0 | 0.305 | 0.234 |
| -0.5 | 75.0 | 0.429 | 0.263 |
| -0.5 | 105.0 | 0.645 | 0.328 |
| -0.5 | 135.0 | 1.09 | 0.524 |
| -0.5 | 165.0 | 1.04 | 0.364 |
| -0.5 | 195.0 | 1.34 | 0.459 |
| -0.5 | 225.0 | 0.946 | 0.403 |
| -0.5 | 255.0 | 0.88 | 0.345 |
| -0.5 | 285.0 | 0.49 | 0.276 |
| -0.5 | 315.0 | 0.402 | 0.251 |
| -0.5 | 345.0 | 1.19 | 0.609 |
| -0.3 | 15.0 | 0.407 | 0.195 |
| -0.3 | 45.0 | 0.303 | 0.171 |
| -0.3 | 75.0 | 0.316 | 0.177 |
| -0.3 | 105.0 | 1.5 | 0.705 |
| -0.3 | 135.0 | 0.795 | 0.308 |
| -0.3 | 165.0 | 2.74 | 0.933 |
| -0.3 | 195.0 | 1.61 | 0.568 |
| -0.3 | 225.0 | 1.39 | 0.654 |
| -0.3 | 255.0 | 2.34 | 0.964 |
| -0.3 | 285.0 | 0.442 | 0.258 |
| -0.3 | 315.0 | 0.564 | 0.287 |
| -0.3 | 345.0 | 0.196 | 0.112 |
| -0.1 | 15.0 | 0.356 | 0.187 |
| -0.1 | 45.0 | 0.668 | 0.33 |
| -0.1 | 75.0 | 1.81 | 0.762 |
| -0.1 | 105.0 | 1.59 | 0.628 |
| -0.1 | 135.0 | 0.751 | 0.262 |
| -0.1 | 165.0 | 2.41 | 0.74 |
| -0.1 | 195.0 | 0.735 | 0.305 |
| -0.1 | 225.0 | 1.14 | 0.428 |
| -0.1 | 255.0 | 0.792 | 0.372 |
| -0.1 | 285.0 | 0.721 | 0.31 |
| -0.1 | 315.0 | 0.487 | 0.251 |
| -0.1 | 345.0 | 0.428 | 0.241 |
| 0.1 | 15.0 | 0.902 | 0.427 |
| 0.1 | 45.0 | 0.269 | 0.147 |
| 0.1 | 75.0 | 0.676 | 0.304 |
| 0.1 | 105.0 | 0.957 | 0.391 |
| 0.1 | 135.0 | 2.08 | 0.789 |
| 0.1 | 165.0 | 7.35 | 2.75 |
| 0.1 | 195.0 | 1.45 | 0.45 |
| 0.1 | 225.0 | 1.45 | 0.514 |
| 0.1 | 255.0 | 0.667 | 0.416 |
| 0.1 | 285.0 | 1.42 | 0.555 |
| 0.1 | 315.0 | 0.933 | 0.364 |
| 0.1 | 345.0 | 1.56 | 0.687 |
| 0.3 | 15.0 | 0.669 | 0.3 |
| 0.3 | 45.0 | 0.963 | 0.413 |
| 0.3 | 75.0 | 0.893 | 0.343 |
| 0.3 | 105.0 | 4.15 | 1.39 |
| 0.3 | 135.0 | 1.36 | 0.582 |
| 0.3 | 165.0 | 2.18 | 0.635 |
| 0.3 | 195.0 | 2.25 | 0.693 |
| 0.3 | 225.0 | 1.03 | 0.327 |
| 0.3 | 255.0 | 0.619 | 0.259 |
| 0.3 | 285.0 | 1.2 | 0.521 |
| 0.3 | 315.0 | 0.853 | 0.346 |
| 0.3 | 345.0 | 0.469 | 0.207 |
| 0.5 | 15.0 | 0.554 | 0.271 |
| 0.5 | 45.0 | 0.722 | 0.317 |
| 0.5 | 75.0 | 1.2 | 0.459 |
| 0.5 | 105.0 | 1.45 | 0.556 |
| 0.5 | 135.0 | 2.7 | 0.947 |
| 0.5 | 165.0 | 1.6 | 0.533 |
| 0.5 | 195.0 | 1.31 | 0.404 |
| 0.5 | 225.0 | 2.63 | 0.766 |
| 0.5 | 255.0 | 1.05 | 0.39 |
| 0.5 | 285.0 | 0.686 | 0.254 |
| 0.5 | 315.0 | 1.76 | 0.836 |
| 0.5 | 345.0 | 0.344 | 0.17 |
| 0.7 | 15.0 | 0.371 | 0.18 |
| 0.7 | 45.0 | 0.495 | 0.269 |
| 0.7 | 75.0 | 1.19 | 0.471 |
| 0.7 | 105.0 | 1.18 | 0.472 |
| 0.7 | 135.0 | 1.64 | 0.58 |
| 0.7 | 165.0 | 3.24 | 1.2 |
| 0.7 | 195.0 | 2.05 | 0.677 |
| 0.7 | 225.0 | 2.02 | 0.719 |
| 0.7 | 255.0 | 0.85 | 0.344 |
| 0.7 | 285.0 | 1.21 | 0.474 |
| 0.7 | 315.0 | 1.01 | 0.355 |
| 0.7 | 345.0 | 0.314 | 0.193 |
| 0.9 | 15.0 | 0.045 | 0.0459 |
| 0.9 | 45.0 | 1.5 | 0.612 |
| 0.9 | 75.0 | 1.36 | 0.813 |
| 0.9 | 105.0 | 0.924 | 0.428 |
| 0.9 | 135.0 | 1.34 | 0.505 |
| 0.9 | 165.0 | 6.17 | 2.13 |
| 0.9 | 195.0 | 1.66 | 0.638 |
| 0.9 | 225.0 | 1.91 | 0.687 |
| 0.9 | 255.0 | 1.01 | 0.48 |
| 0.9 | 285.0 | 0.504 | 0.236 |
| 0.9 | 315.0 | 1.16 | 0.407 |
| 0.9 | 345.0 | 1.57 | 0.642 |
Experiment comment: