Measurement E9M193
| 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: | 1.68 GeV | |
| ε: | 0.656 | |
| 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 | 1.27 | 0.28 |
| -0.9 | 45.0 | 1.16 | 0.361 |
| -0.9 | 75.0 | 1.8 | 0.886 |
| -0.9 | 105.0 | 1.1 | 0.959 |
| -0.9 | 135.0 | 0.477 | 0.371 |
| -0.9 | 165.0 | 0.37 | 0.233 |
| -0.9 | 225.0 | 4.64 | 5.37 |
| -0.9 | 255.0 | 1.27 | 0.827 |
| -0.9 | 285.0 | 2.59 | 1.02 |
| -0.9 | 315.0 | 1.02 | 0.336 |
| -0.9 | 345.0 | 0.644 | 0.2 |
| -0.7 | 15.0 | 1.19 | 0.316 |
| -0.7 | 45.0 | 0.423 | 0.185 |
| -0.7 | 75.0 | 0.506 | 0.547 |
| -0.7 | 105.0 | 0.914 | 0.39 |
| -0.7 | 135.0 | 0.674 | 0.314 |
| -0.7 | 225.0 | 0.711 | 0.401 |
| -0.7 | 255.0 | 0.974 | 0.379 |
| -0.7 | 285.0 | 0.394 | 0.246 |
| -0.7 | 315.0 | 0.683 | 0.222 |
| -0.7 | 345.0 | 1.13 | 0.312 |
| -0.5 | 15.0 | 0.73 | 0.223 |
| -0.5 | 45.0 | 0.178 | 0.13 |
| -0.5 | 75.0 | 1.27 | 0.398 |
| -0.5 | 105.0 | 0.783 | 0.248 |
| -0.5 | 135.0 | 1.1 | 0.407 |
| -0.5 | 225.0 | 0.914 | 0.331 |
| -0.5 | 255.0 | 0.556 | 0.187 |
| -0.5 | 285.0 | 0.391 | 0.19 |
| -0.5 | 315.0 | 1.14 | 0.405 |
| -0.5 | 345.0 | 0.577 | 0.173 |
| -0.3 | 15.0 | 0.285 | 0.107 |
| -0.3 | 45.0 | 0.874 | 0.326 |
| -0.3 | 75.0 | 1.4 | 0.399 |
| -0.3 | 105.0 | 1.99 | 0.466 |
| -0.3 | 135.0 | 0.928 | 0.48 |
| -0.3 | 225.0 | 2.16 | 1.02 |
| -0.3 | 255.0 | 1.08 | 0.263 |
| -0.3 | 285.0 | 1.01 | 0.28 |
| -0.3 | 315.0 | 0.579 | 0.262 |
| -0.3 | 345.0 | 0.65 | 0.214 |
| -0.1 | 15.0 | 0.671 | 0.247 |
| -0.1 | 45.0 | 0.588 | 0.256 |
| -0.1 | 75.0 | 0.978 | 0.241 |
| -0.1 | 105.0 | 2.15 | 0.463 |
| -0.1 | 135.0 | 7.94 | 4.79 |
| -0.1 | 165.0 | 3.04 | 1.93 |
| -0.1 | 195.0 | 0.743 | 0.374 |
| -0.1 | 225.0 | 3.21 | 1.34 |
| -0.1 | 255.0 | 0.885 | 0.227 |
| -0.1 | 285.0 | 1.22 | 0.275 |
| -0.1 | 315.0 | 1.14 | 0.43 |
| -0.1 | 345.0 | 0.56 | 0.231 |
| 0.1 | 15.0 | 1.04 | 0.495 |
| 0.1 | 45.0 | 0.69 | 0.236 |
| 0.1 | 75.0 | 1.36 | 0.327 |
| 0.1 | 105.0 | 1.99 | 0.443 |
| 0.1 | 135.0 | 2.71 | 0.733 |
| 0.1 | 165.0 | 0.683 | 0.314 |
| 0.1 | 195.0 | 1.03 | 0.399 |
| 0.1 | 225.0 | 3.78 | 1.07 |
| 0.1 | 255.0 | 2.69 | 0.529 |
| 0.1 | 285.0 | 1.24 | 0.259 |
| 0.1 | 315.0 | 1.21 | 0.422 |
| 0.1 | 345.0 | 0.251 | 0.259 |
| 0.3 | 15.0 | 0.428 | 0.328 |
| 0.3 | 45.0 | 0.867 | 0.354 |
| 0.3 | 75.0 | 1.38 | 0.305 |
| 0.3 | 105.0 | 2.42 | 0.526 |
| 0.3 | 135.0 | 1.06 | 0.352 |
| 0.3 | 165.0 | 1.66 | 0.51 |
| 0.3 | 195.0 | 2.2 | 0.794 |
| 0.3 | 225.0 | 0.757 | 0.257 |
| 0.3 | 255.0 | 2.06 | 0.4 |
| 0.3 | 285.0 | 1.69 | 0.322 |
| 0.3 | 315.0 | 0.715 | 0.259 |
| 0.3 | 345.0 | 0.644 | 0.363 |
| 0.5 | 15.0 | 1.6 | 0.757 |
| 0.5 | 45.0 | 1.28 | 0.426 |
| 0.5 | 75.0 | 1.56 | 0.294 |
| 0.5 | 105.0 | 2.11 | 0.517 |
| 0.5 | 135.0 | 0.705 | 0.195 |
| 0.5 | 165.0 | 1.59 | 0.55 |
| 0.5 | 195.0 | 0.803 | 0.368 |
| 0.5 | 225.0 | 1.66 | 0.361 |
| 0.5 | 255.0 | 1.88 | 0.471 |
| 0.5 | 285.0 | 1.37 | 0.28 |
| 0.5 | 315.0 | 0.746 | 0.286 |
| 0.5 | 345.0 | 1.42 | 0.708 |
| 0.7 | 15.0 | 0.723 | 0.311 |
| 0.7 | 45.0 | 0.875 | 0.317 |
| 0.7 | 75.0 | 1.41 | 0.267 |
| 0.7 | 105.0 | 2.16 | 0.554 |
| 0.7 | 135.0 | 1.4 | 0.355 |
| 0.7 | 165.0 | 0.722 | 0.326 |
| 0.7 | 195.0 | 1.77 | 0.679 |
| 0.7 | 225.0 | 1.66 | 0.392 |
| 0.7 | 255.0 | 1.98 | 0.483 |
| 0.7 | 285.0 | 2.03 | 0.407 |
| 0.7 | 315.0 | 0.598 | 0.217 |
| 0.7 | 345.0 | 1.04 | 0.345 |
| 0.9 | 15.0 | 1.49 | 0.575 |
| 0.9 | 45.0 | 1.66 | 0.54 |
| 0.9 | 75.0 | 1.78 | 0.413 |
| 0.9 | 105.0 | 1.5 | 0.405 |
| 0.9 | 135.0 | 0.7 | 0.266 |
| 0.9 | 165.0 | 1.68 | 0.838 |
| 0.9 | 195.0 | 0.642 | 0.311 |
| 0.9 | 225.0 | 1.04 | 0.375 |
| 0.9 | 255.0 | 1.79 | 0.481 |
| 0.9 | 285.0 | 1.61 | 0.312 |
| 0.9 | 315.0 | 1.3 | 0.459 |
| 0.9 | 345.0 | 1.11 | 0.414 |
Experiment comment: