Measurement E9M252
| 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: | 0.8 — 1.0 GeV2 | |
| W: | 1.66 GeV | |
| ε: | 0.581 | |
| 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 | 1.3 | 0.351 |
| -0.9 | 45.0 | 0.706 | 0.253 |
| -0.9 | 75.0 | 3.08 | 1.4 |
| -0.9 | 105.0 | 0.218 | 0.137 |
| -0.9 | 135.0 | 0.0629 | 0.0651 |
| -0.9 | 165.0 | 0.292 | 0.149 |
| -0.9 | 195.0 | 0.141 | 0.106 |
| -0.9 | 225.0 | 1.37 | 1.05 |
| -0.9 | 255.0 | 1.09 | 0.433 |
| -0.9 | 285.0 | 1.05 | 0.399 |
| -0.9 | 315.0 | 0.515 | 0.162 |
| -0.9 | 345.0 | 0.844 | 0.236 |
| -0.7 | 15.0 | 0.717 | 0.189 |
| -0.7 | 45.0 | 0.521 | 0.158 |
| -0.7 | 75.0 | 1.77 | 0.691 |
| -0.7 | 105.0 | 0.441 | 0.169 |
| -0.7 | 135.0 | 2.42 | 1.48 |
| -0.7 | 225.0 | 0.279 | 0.154 |
| -0.7 | 255.0 | 0.277 | 0.176 |
| -0.7 | 285.0 | 0.799 | 0.408 |
| -0.7 | 315.0 | 0.81 | 0.272 |
| -0.7 | 345.0 | 0.452 | 0.117 |
| -0.5 | 15.0 | 1.41 | 0.345 |
| -0.5 | 45.0 | 0.572 | 0.19 |
| -0.5 | 75.0 | 0.476 | 0.195 |
| -0.5 | 105.0 | 0.755 | 0.215 |
| -0.5 | 135.0 | 0.575 | 0.212 |
| -0.5 | 225.0 | 0.796 | 0.31 |
| -0.5 | 255.0 | 0.303 | 0.104 |
| -0.5 | 285.0 | 0.662 | 0.274 |
| -0.5 | 315.0 | 0.387 | 0.186 |
| -0.5 | 345.0 | 0.866 | 0.222 |
| -0.3 | 15.0 | 0.185 | 0.111 |
| -0.3 | 45.0 | 0.799 | 0.241 |
| -0.3 | 75.0 | 1.34 | 0.388 |
| -0.3 | 105.0 | 0.814 | 0.203 |
| -0.3 | 135.0 | 0.581 | 0.21 |
| -0.3 | 225.0 | 0.94 | 0.33 |
| -0.3 | 255.0 | 0.713 | 0.171 |
| -0.3 | 285.0 | 0.88 | 0.254 |
| -0.3 | 315.0 | 0.607 | 0.206 |
| -0.3 | 345.0 | 0.424 | 0.19 |
| -0.1 | 15.0 | 0.317 | 0.168 |
| -0.1 | 45.0 | 0.511 | 0.227 |
| -0.1 | 75.0 | 1.66 | 0.398 |
| -0.1 | 105.0 | 1.05 | 0.209 |
| -0.1 | 135.0 | 1.5 | 0.691 |
| -0.1 | 195.0 | 1.4 | 0.969 |
| -0.1 | 225.0 | 1.05 | 0.406 |
| -0.1 | 255.0 | 1.32 | 0.269 |
| -0.1 | 285.0 | 1.42 | 0.328 |
| -0.1 | 315.0 | 0.883 | 0.331 |
| -0.1 | 345.0 | 0.746 | 0.388 |
| 0.1 | 15.0 | 0.205 | 0.212 |
| 0.1 | 45.0 | 0.739 | 0.209 |
| 0.1 | 75.0 | 1.41 | 0.267 |
| 0.1 | 105.0 | 1.82 | 0.346 |
| 0.1 | 135.0 | 0.733 | 0.245 |
| 0.1 | 165.0 | 2.94 | 1.22 |
| 0.1 | 195.0 | 1.66 | 0.881 |
| 0.1 | 225.0 | 1.35 | 0.433 |
| 0.1 | 255.0 | 1.08 | 0.221 |
| 0.1 | 285.0 | 1.24 | 0.257 |
| 0.1 | 315.0 | 0.445 | 0.196 |
| 0.1 | 345.0 | 0.397 | 0.214 |
| 0.3 | 15.0 | 0.375 | 0.237 |
| 0.3 | 45.0 | 1.21 | 0.39 |
| 0.3 | 75.0 | 1.01 | 0.202 |
| 0.3 | 105.0 | 1.51 | 0.291 |
| 0.3 | 135.0 | 2.09 | 0.614 |
| 0.3 | 165.0 | 1.21 | 0.593 |
| 0.3 | 195.0 | 0.423 | 0.209 |
| 0.3 | 225.0 | 3.22 | 0.924 |
| 0.3 | 255.0 | 1.64 | 0.31 |
| 0.3 | 285.0 | 2.13 | 0.385 |
| 0.3 | 315.0 | 0.927 | 0.313 |
| 0.3 | 345.0 | 0.656 | 0.253 |
| 0.5 | 15.0 | 0.609 | 0.285 |
| 0.5 | 45.0 | 0.609 | 0.202 |
| 0.5 | 75.0 | 1.22 | 0.231 |
| 0.5 | 105.0 | 1.91 | 0.378 |
| 0.5 | 135.0 | 1.17 | 0.28 |
| 0.5 | 165.0 | 1.73 | 0.681 |
| 0.5 | 195.0 | 0.724 | 0.276 |
| 0.5 | 225.0 | 1.75 | 0.42 |
| 0.5 | 255.0 | 1.59 | 0.334 |
| 0.5 | 285.0 | 1.02 | 0.185 |
| 0.5 | 315.0 | 0.501 | 0.192 |
| 0.5 | 345.0 | 2.07 | 1.21 |
| 0.7 | 15.0 | 2.58 | 1.03 |
| 0.7 | 45.0 | 0.95 | 0.267 |
| 0.7 | 75.0 | 1.09 | 0.222 |
| 0.7 | 105.0 | 1.38 | 0.296 |
| 0.7 | 135.0 | 1.96 | 0.465 |
| 0.7 | 165.0 | 0.711 | 0.305 |
| 0.7 | 195.0 | 1.31 | 0.492 |
| 0.7 | 225.0 | 1.66 | 0.437 |
| 0.7 | 255.0 | 1.18 | 0.266 |
| 0.7 | 285.0 | 1.42 | 0.263 |
| 0.7 | 315.0 | 0.885 | 0.292 |
| 0.7 | 345.0 | 1.81 | 0.801 |
| 0.9 | 15.0 | 0.784 | 0.497 |
| 0.9 | 45.0 | 0.97 | 0.363 |
| 0.9 | 75.0 | 1.06 | 0.228 |
| 0.9 | 105.0 | 1.24 | 0.274 |
| 0.9 | 135.0 | 0.883 | 0.374 |
| 0.9 | 165.0 | 0.203 | 0.15 |
| 0.9 | 195.0 | 0.093 | 0.0959 |
| 0.9 | 225.0 | 0.574 | 0.226 |
| 0.9 | 255.0 | 0.771 | 0.191 |
| 0.9 | 285.0 | 1.17 | 0.255 |
| 0.9 | 315.0 | 1.23 | 0.359 |
| 0.9 | 345.0 | 2.29 | 0.908 |
Experiment comment: