Measurement E9M73
| 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: | 1.6 — 2.0 GeV2 | |
| W: | 1.36 GeV | |
| ε: | 0.491 | |
| 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 | 0.209 | 0.262 |
| -0.9 | 45.0 | 0.122 | 0.133 |
| -0.9 | 75.0 | 0.22 | 0.273 |
| -0.9 | 105.0 | 0.0585 | 0.065 |
| -0.9 | 135.0 | 0.534 | 0.418 |
| -0.9 | 165.0 | 0.111 | 0.126 |
| -0.9 | 195.0 | 2.79 | 2.63 |
| -0.9 | 255.0 | 2.67 | 3.33 |
| -0.9 | 285.0 | 0.16 | 0.144 |
| -0.9 | 315.0 | 1.19 | 1.4 |
| -0.9 | 345.0 | 0.412 | 0.592 |
| -0.7 | 15.0 | 0.245 | 0.196 |
| -0.7 | 75.0 | 0.732 | 0.43 |
| -0.7 | 105.0 | 0.762 | 0.671 |
| -0.7 | 135.0 | 0.0842 | 0.0934 |
| -0.7 | 165.0 | 0.163 | 0.131 |
| -0.7 | 195.0 | 0.884 | 0.777 |
| -0.7 | 225.0 | 0.98 | 0.693 |
| -0.7 | 255.0 | 0.399 | 0.326 |
| -0.7 | 285.0 | 0.0911 | 0.0955 |
| -0.7 | 315.0 | 0.469 | 0.261 |
| -0.7 | 345.0 | 0.0976 | 0.0759 |
| -0.5 | 15.0 | 0.253 | 0.168 |
| -0.5 | 45.0 | 0.581 | 0.465 |
| -0.5 | 75.0 | 1.86 | 0.977 |
| -0.5 | 105.0 | 1.11 | 0.611 |
| -0.5 | 135.0 | 1.61 | 1.33 |
| -0.5 | 165.0 | 0.279 | 0.323 |
| -0.5 | 195.0 | 0.129 | 0.139 |
| -0.5 | 225.0 | 0.323 | 0.258 |
| -0.5 | 255.0 | 2.91 | 2.24 |
| -0.5 | 285.0 | 0.633 | 0.391 |
| -0.5 | 315.0 | 0.417 | 0.274 |
| -0.5 | 345.0 | 1.07 | 0.676 |
| -0.3 | 15.0 | 1.02 | 0.609 |
| -0.3 | 45.0 | 0.841 | 0.387 |
| -0.3 | 75.0 | 0.444 | 0.342 |
| -0.3 | 105.0 | 3.64 | 2.25 |
| -0.3 | 135.0 | 0.747 | 0.631 |
| -0.3 | 165.0 | 0.539 | 0.456 |
| -0.3 | 225.0 | 0.459 | 0.5 |
| -0.3 | 255.0 | 1.2 | 0.788 |
| -0.3 | 285.0 | 1.23 | 0.613 |
| -0.3 | 315.0 | 0.797 | 0.366 |
| -0.3 | 345.0 | 0.248 | 0.189 |
| -0.1 | 15.0 | 0.518 | 0.245 |
| -0.1 | 45.0 | 1.02 | 0.425 |
| -0.1 | 75.0 | 0.778 | 0.445 |
| -0.1 | 105.0 | 1.44 | 1.03 |
| -0.1 | 135.0 | 0.741 | 0.86 |
| -0.1 | 165.0 | 0.492 | 0.407 |
| -0.1 | 195.0 | 0.553 | 0.485 |
| -0.1 | 225.0 | 2.97 | 2.73 |
| -0.1 | 255.0 | 0.68 | 0.464 |
| -0.1 | 285.0 | 0.382 | 0.222 |
| -0.1 | 315.0 | 0.431 | 0.269 |
| -0.1 | 345.0 | 0.669 | 0.355 |
| 0.1 | 15.0 | 0.338 | 0.211 |
| 0.1 | 45.0 | 0.469 | 0.239 |
| 0.1 | 75.0 | 0.93 | 0.558 |
| 0.1 | 105.0 | 0.495 | 0.317 |
| 0.1 | 165.0 | 1.15 | 1.63 |
| 0.1 | 195.0 | 0.511 | 0.564 |
| 0.1 | 225.0 | 0.173 | 0.184 |
| 0.1 | 255.0 | 0.933 | 0.569 |
| 0.1 | 285.0 | 0.949 | 0.638 |
| 0.1 | 315.0 | 0.655 | 0.304 |
| 0.1 | 345.0 | 0.451 | 0.221 |
| 0.3 | 15.0 | 0.21 | 0.162 |
| 0.3 | 45.0 | 0.0569 | 0.0583 |
| 0.3 | 75.0 | 0.343 | 0.257 |
| 0.3 | 105.0 | 0.684 | 0.458 |
| 0.3 | 135.0 | 0.561 | 0.341 |
| 0.3 | 195.0 | 2.39 | 2.21 |
| 0.3 | 225.0 | 0.788 | 0.47 |
| 0.3 | 255.0 | 0.477 | 0.321 |
| 0.3 | 285.0 | 0.994 | 0.492 |
| 0.3 | 315.0 | 0.811 | 0.457 |
| 0.3 | 345.0 | 1.0 | 0.432 |
| 0.5 | 15.0 | 0.427 | 0.362 |
| 0.5 | 45.0 | 0.445 | 0.214 |
| 0.5 | 75.0 | 0.737 | 0.392 |
| 0.5 | 105.0 | 0.811 | 0.442 |
| 0.5 | 135.0 | 0.264 | 0.281 |
| 0.5 | 195.0 | 0.833 | 1.18 |
| 0.5 | 225.0 | 0.23 | 0.255 |
| 0.5 | 255.0 | 0.325 | 0.36 |
| 0.5 | 285.0 | 1.87 | 1.36 |
| 0.5 | 315.0 | 0.208 | 0.162 |
| 0.5 | 345.0 | 0.0736 | 0.0775 |
| 0.7 | 15.0 | 0.458 | 0.27 |
| 0.7 | 45.0 | 0.609 | 0.534 |
| 0.7 | 75.0 | 1.2 | 0.802 |
| 0.7 | 105.0 | 0.238 | 0.15 |
| 0.7 | 135.0 | 1.51 | 1.53 |
| 0.7 | 165.0 | 1.03 | 1.48 |
| 0.7 | 225.0 | 1.59 | 1.98 |
| 0.7 | 255.0 | 0.449 | 0.522 |
| 0.7 | 285.0 | 0.872 | 0.527 |
| 0.7 | 345.0 | 0.209 | 0.143 |
| 0.9 | 15.0 | 1.98 | 1.88 |
| 0.9 | 45.0 | 1.9 | 2.78 |
| 0.9 | 75.0 | 0.13 | 0.0926 |
| 0.9 | 105.0 | 0.662 | 0.696 |
| 0.9 | 135.0 | 1.26 | 1.58 |
| 0.9 | 225.0 | 0.265 | 0.333 |
| 0.9 | 285.0 | 1.57 | 1.96 |
| 0.9 | 345.0 | 0.405 | 0.347 |
Experiment comment: