Measurement E9M270
| 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: | 1.42 GeV | |
| ε: | 0.673 | |
| 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 | 0.352 | 0.17 |
| -0.9 | 45.0 | 0.16 | 0.0635 |
| -0.9 | 75.0 | 0.347 | 0.185 |
| -0.9 | 105.0 | 0.559 | 0.267 |
| -0.9 | 135.0 | 0.488 | 0.235 |
| -0.9 | 165.0 | 0.352 | 0.111 |
| -0.9 | 195.0 | 0.349 | 0.123 |
| -0.9 | 225.0 | 0.127 | 0.0679 |
| -0.9 | 255.0 | 0.612 | 0.264 |
| -0.9 | 285.0 | 0.261 | 0.118 |
| -0.9 | 315.0 | 0.522 | 0.243 |
| -0.9 | 345.0 | 0.52 | 0.257 |
| -0.7 | 15.0 | 0.445 | 0.137 |
| -0.7 | 45.0 | 0.86 | 0.271 |
| -0.7 | 75.0 | 0.419 | 0.162 |
| -0.7 | 105.0 | 0.538 | 0.248 |
| -0.7 | 135.0 | 0.986 | 0.369 |
| -0.7 | 165.0 | 0.69 | 0.23 |
| -0.7 | 195.0 | 0.891 | 0.296 |
| -0.7 | 225.0 | 1.8 | 0.679 |
| -0.7 | 255.0 | 1.09 | 0.393 |
| -0.7 | 285.0 | 0.493 | 0.205 |
| -0.7 | 315.0 | 0.396 | 0.143 |
| -0.7 | 345.0 | 0.455 | 0.138 |
| -0.5 | 15.0 | 0.919 | 0.272 |
| -0.5 | 45.0 | 1.11 | 0.26 |
| -0.5 | 75.0 | 1.73 | 0.431 |
| -0.5 | 105.0 | 0.959 | 0.356 |
| -0.5 | 135.0 | 1.04 | 0.417 |
| -0.5 | 165.0 | 0.671 | 0.306 |
| -0.5 | 195.0 | 2.03 | 0.687 |
| -0.5 | 225.0 | 0.629 | 0.313 |
| -0.5 | 255.0 | 0.955 | 0.376 |
| -0.5 | 285.0 | 1.45 | 0.448 |
| -0.5 | 315.0 | 0.931 | 0.206 |
| -0.5 | 345.0 | 0.558 | 0.186 |
| -0.3 | 15.0 | 0.491 | 0.168 |
| -0.3 | 45.0 | 1.34 | 0.378 |
| -0.3 | 75.0 | 1.43 | 0.403 |
| -0.3 | 105.0 | 1.36 | 0.344 |
| -0.3 | 135.0 | 1.62 | 0.723 |
| -0.3 | 165.0 | 1.65 | 0.685 |
| -0.3 | 195.0 | 0.677 | 0.512 |
| -0.3 | 225.0 | 2.73 | 0.96 |
| -0.3 | 255.0 | 1.39 | 0.405 |
| -0.3 | 285.0 | 1.15 | 0.273 |
| -0.3 | 315.0 | 1.21 | 0.301 |
| -0.3 | 345.0 | 0.737 | 0.226 |
| -0.1 | 15.0 | 1.04 | 0.28 |
| -0.1 | 45.0 | 1.33 | 0.333 |
| -0.1 | 75.0 | 1.64 | 0.381 |
| -0.1 | 105.0 | 3.42 | 0.761 |
| -0.1 | 135.0 | 3.03 | 0.798 |
| -0.1 | 195.0 | 1.66 | 1.44 |
| -0.1 | 225.0 | 2.33 | 0.637 |
| -0.1 | 255.0 | 2.16 | 0.562 |
| -0.1 | 285.0 | 2.48 | 0.524 |
| -0.1 | 315.0 | 1.48 | 0.339 |
| -0.1 | 345.0 | 1.05 | 0.266 |
| 0.1 | 15.0 | 1.32 | 0.337 |
| 0.1 | 45.0 | 1.12 | 0.27 |
| 0.1 | 75.0 | 1.01 | 0.269 |
| 0.1 | 105.0 | 2.63 | 0.577 |
| 0.1 | 135.0 | 2.97 | 0.754 |
| 0.1 | 165.0 | 0.977 | 0.695 |
| 0.1 | 195.0 | 7.26 | 6.31 |
| 0.1 | 225.0 | 0.95 | 0.289 |
| 0.1 | 255.0 | 2.93 | 0.63 |
| 0.1 | 285.0 | 1.32 | 0.307 |
| 0.1 | 315.0 | 1.42 | 0.313 |
| 0.1 | 345.0 | 0.893 | 0.237 |
| 0.3 | 15.0 | 1.66 | 0.468 |
| 0.3 | 45.0 | 1.27 | 0.323 |
| 0.3 | 75.0 | 0.795 | 0.233 |
| 0.3 | 105.0 | 2.19 | 0.504 |
| 0.3 | 135.0 | 2.0 | 0.435 |
| 0.3 | 165.0 | 5.74 | 4.99 |
| 0.3 | 195.0 | 0.72 | 0.58 |
| 0.3 | 225.0 | 0.815 | 0.213 |
| 0.3 | 255.0 | 1.38 | 0.317 |
| 0.3 | 285.0 | 1.48 | 0.37 |
| 0.3 | 315.0 | 1.96 | 0.455 |
| 0.3 | 345.0 | 1.05 | 0.253 |
| 0.5 | 15.0 | 0.752 | 0.216 |
| 0.5 | 45.0 | 0.713 | 0.202 |
| 0.5 | 75.0 | 0.497 | 0.193 |
| 0.5 | 105.0 | 0.873 | 0.223 |
| 0.5 | 135.0 | 1.12 | 0.279 |
| 0.5 | 165.0 | 1.28 | 0.669 |
| 0.5 | 195.0 | 1.51 | 0.979 |
| 0.5 | 225.0 | 2.61 | 0.753 |
| 0.5 | 255.0 | 0.907 | 0.241 |
| 0.5 | 285.0 | 1.18 | 0.334 |
| 0.5 | 315.0 | 1.02 | 0.267 |
| 0.5 | 345.0 | 0.789 | 0.2 |
| 0.7 | 15.0 | 1.41 | 0.474 |
| 0.7 | 45.0 | 0.938 | 0.297 |
| 0.7 | 75.0 | 1.22 | 0.428 |
| 0.7 | 105.0 | 0.91 | 0.294 |
| 0.7 | 135.0 | 1.63 | 0.572 |
| 0.7 | 165.0 | 0.914 | 1.12 |
| 0.7 | 195.0 | 0.239 | 0.268 |
| 0.7 | 225.0 | 1.02 | 0.325 |
| 0.7 | 255.0 | 0.553 | 0.188 |
| 0.7 | 285.0 | 1.35 | 0.422 |
| 0.7 | 315.0 | 0.76 | 0.221 |
| 0.7 | 345.0 | 1.26 | 0.375 |
| 0.9 | 15.0 | 0.189 | 0.109 |
| 0.9 | 45.0 | 0.455 | 0.21 |
| 0.9 | 75.0 | 0.252 | 0.114 |
| 0.9 | 105.0 | 0.362 | 0.196 |
| 0.9 | 135.0 | 0.951 | 0.498 |
| 0.9 | 165.0 | 1.3 | 0.96 |
| 0.9 | 225.0 | 1.06 | 0.727 |
| 0.9 | 255.0 | 0.438 | 0.273 |
| 0.9 | 285.0 | 0.315 | 0.163 |
| 0.9 | 315.0 | 0.596 | 0.264 |
| 0.9 | 345.0 | 0.259 | 0.114 |
Experiment comment: