Measurement E9M56
| 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: | 1.3 — 1.6 GeV2 | |
| W: | 1.6 GeV | |
| ε: | 0.421 | |
| 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 | 0.0596 | 0.0653 |
| -0.9 | 45.0 | 0.281 | 0.237 |
| -0.9 | 75.0 | 0.255 | 0.299 |
| -0.9 | 105.0 | 0.497 | 0.71 |
| -0.9 | 285.0 | 0.255 | 0.195 |
| -0.9 | 315.0 | 0.871 | 0.562 |
| -0.9 | 345.0 | 0.183 | 0.128 |
| -0.7 | 15.0 | 0.208 | 0.179 |
| -0.7 | 45.0 | 0.484 | 0.596 |
| -0.7 | 75.0 | 0.549 | 0.563 |
| -0.7 | 285.0 | 0.0741 | 0.067 |
| -0.7 | 315.0 | 0.148 | 0.117 |
| -0.7 | 345.0 | 0.0896 | 0.0698 |
| -0.5 | 45.0 | 4.29 | 4.73 |
| -0.5 | 75.0 | 0.081 | 0.0851 |
| -0.5 | 105.0 | 0.267 | 0.184 |
| -0.5 | 225.0 | 0.663 | 0.666 |
| -0.5 | 255.0 | 0.287 | 0.263 |
| -0.5 | 285.0 | 0.302 | 0.217 |
| -0.5 | 315.0 | 0.502 | 0.586 |
| -0.5 | 345.0 | 0.162 | 0.189 |
| -0.3 | 15.0 | 0.177 | 0.19 |
| -0.3 | 45.0 | 0.166 | 0.132 |
| -0.3 | 75.0 | 0.461 | 0.323 |
| -0.3 | 105.0 | 2.27 | 1.76 |
| -0.3 | 225.0 | 0.194 | 0.219 |
| -0.3 | 255.0 | 0.226 | 0.149 |
| -0.3 | 285.0 | 0.267 | 0.17 |
| -0.3 | 315.0 | 0.289 | 0.239 |
| -0.3 | 345.0 | 0.252 | 0.278 |
| -0.1 | 45.0 | 0.0545 | 0.0558 |
| -0.1 | 75.0 | 0.558 | 0.298 |
| -0.1 | 105.0 | 0.361 | 0.198 |
| -0.1 | 135.0 | 0.823 | 0.576 |
| -0.1 | 225.0 | 0.666 | 0.378 |
| -0.1 | 255.0 | 0.215 | 0.137 |
| -0.1 | 285.0 | 0.969 | 0.429 |
| -0.1 | 315.0 | 1.08 | 0.835 |
| -0.1 | 345.0 | 0.114 | 0.12 |
| 0.1 | 45.0 | 0.467 | 0.273 |
| 0.1 | 75.0 | 0.305 | 0.155 |
| 0.1 | 105.0 | 0.8 | 0.322 |
| 0.1 | 135.0 | 0.239 | 0.26 |
| 0.1 | 225.0 | 0.42 | 0.471 |
| 0.1 | 255.0 | 0.631 | 0.256 |
| 0.1 | 285.0 | 0.0619 | 0.0633 |
| 0.1 | 315.0 | 0.556 | 0.286 |
| 0.1 | 345.0 | 4.67 | 5.75 |
| 0.3 | 15.0 | 0.273 | 0.225 |
| 0.3 | 45.0 | 0.281 | 0.22 |
| 0.3 | 75.0 | 0.627 | 0.428 |
| 0.3 | 105.0 | 0.397 | 0.195 |
| 0.3 | 135.0 | 2.69 | 3.31 |
| 0.3 | 225.0 | 0.829 | 0.7 |
| 0.3 | 255.0 | 0.384 | 0.215 |
| 0.3 | 285.0 | 0.188 | 0.142 |
| 0.3 | 315.0 | 0.555 | 0.324 |
| 0.3 | 345.0 | 1.68 | 1.7 |
| 0.5 | 15.0 | 2.9 | 2.55 |
| 0.5 | 45.0 | 0.525 | 0.645 |
| 0.5 | 75.0 | 0.68 | 0.432 |
| 0.5 | 105.0 | 0.368 | 0.246 |
| 0.5 | 135.0 | 0.101 | 0.107 |
| 0.5 | 255.0 | 0.878 | 0.473 |
| 0.5 | 285.0 | 0.34 | 0.178 |
| 0.5 | 315.0 | 0.839 | 0.553 |
| 0.5 | 345.0 | 0.269 | 0.219 |
| 0.7 | 15.0 | 0.404 | 0.375 |
| 0.7 | 45.0 | 0.127 | 0.137 |
| 0.7 | 75.0 | 0.592 | 0.348 |
| 0.7 | 105.0 | 0.152 | 0.168 |
| 0.7 | 135.0 | 0.614 | 0.398 |
| 0.7 | 165.0 | 0.262 | 0.296 |
| 0.7 | 225.0 | 0.927 | 1.32 |
| 0.7 | 255.0 | 0.301 | 0.178 |
| 0.7 | 285.0 | 0.367 | 0.266 |
| 0.7 | 345.0 | 0.469 | 0.667 |
| 0.9 | 45.0 | 0.725 | 0.686 |
| 0.9 | 75.0 | 0.199 | 0.172 |
| 0.9 | 105.0 | 0.657 | 0.552 |
| 0.9 | 135.0 | 0.743 | 0.922 |
| 0.9 | 225.0 | 0.102 | 0.111 |
| 0.9 | 255.0 | 0.0908 | 0.103 |
| 0.9 | 285.0 | 0.0903 | 0.0989 |
Experiment comment: