Measurement E9M221
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.64 GeV | |
| ε: | 0.653 | |
| 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 | 1.15 | 0.381 |
| -0.9 | 45.0 | 0.383 | 0.149 |
| -0.9 | 75.0 | 0.712 | 0.317 |
| -0.9 | 135.0 | 1.38 | 1.27 |
| -0.9 | 165.0 | 0.538 | 0.622 |
| -0.9 | 195.0 | 0.344 | 0.223 |
| -0.9 | 225.0 | 1.4 | 1.28 |
| -0.9 | 255.0 | 2.72 | 1.93 |
| -0.9 | 285.0 | 0.592 | 0.269 |
| -0.9 | 315.0 | 1.2 | 0.413 |
| -0.9 | 345.0 | 0.507 | 0.167 |
| -0.7 | 15.0 | 0.227 | 0.119 |
| -0.7 | 45.0 | 0.417 | 0.201 |
| -0.7 | 75.0 | 0.637 | 0.411 |
| -0.7 | 105.0 | 0.696 | 0.39 |
| -0.7 | 135.0 | 1.28 | 0.873 |
| -0.7 | 225.0 | 3.02 | 1.93 |
| -0.7 | 255.0 | 1.54 | 0.812 |
| -0.7 | 285.0 | 0.595 | 0.388 |
| -0.7 | 315.0 | 0.408 | 0.182 |
| -0.7 | 345.0 | 0.601 | 0.182 |
| -0.5 | 15.0 | 1.44 | 0.445 |
| -0.5 | 45.0 | 0.662 | 0.259 |
| -0.5 | 75.0 | 0.487 | 0.24 |
| -0.5 | 105.0 | 1.03 | 0.28 |
| -0.5 | 135.0 | 0.504 | 0.248 |
| -0.5 | 165.0 | 2.14 | 3.03 |
| -0.5 | 225.0 | 0.721 | 0.304 |
| -0.5 | 255.0 | 0.62 | 0.205 |
| -0.5 | 285.0 | 0.935 | 0.395 |
| -0.5 | 315.0 | 0.233 | 0.14 |
| -0.5 | 345.0 | 0.542 | 0.169 |
| -0.3 | 15.0 | 0.833 | 0.273 |
| -0.3 | 45.0 | 2.67 | 1.23 |
| -0.3 | 75.0 | 0.604 | 0.252 |
| -0.3 | 105.0 | 0.896 | 0.247 |
| -0.3 | 135.0 | 2.37 | 0.865 |
| -0.3 | 225.0 | 2.92 | 1.15 |
| -0.3 | 255.0 | 0.615 | 0.176 |
| -0.3 | 285.0 | 1.17 | 0.414 |
| -0.3 | 315.0 | 0.849 | 0.389 |
| -0.3 | 345.0 | 0.529 | 0.19 |
| -0.1 | 15.0 | 0.205 | 0.124 |
| -0.1 | 45.0 | 0.564 | 0.303 |
| -0.1 | 75.0 | 1.9 | 0.544 |
| -0.1 | 105.0 | 1.22 | 0.277 |
| -0.1 | 135.0 | 1.27 | 1.06 |
| -0.1 | 165.0 | 2.41 | 1.85 |
| -0.1 | 225.0 | 1.14 | 0.535 |
| -0.1 | 255.0 | 1.04 | 0.254 |
| -0.1 | 285.0 | 1.16 | 0.347 |
| -0.1 | 315.0 | 0.613 | 0.272 |
| -0.1 | 345.0 | 1.67 | 0.91 |
| 0.1 | 15.0 | 0.221 | 0.232 |
| 0.1 | 45.0 | 0.562 | 0.245 |
| 0.1 | 75.0 | 0.929 | 0.228 |
| 0.1 | 105.0 | 0.71 | 0.181 |
| 0.1 | 135.0 | 1.68 | 0.715 |
| 0.1 | 165.0 | 1.49 | 0.796 |
| 0.1 | 195.0 | 0.44 | 0.276 |
| 0.1 | 225.0 | 1.31 | 0.517 |
| 0.1 | 255.0 | 2.38 | 0.56 |
| 0.1 | 285.0 | 1.46 | 0.364 |
| 0.1 | 315.0 | 1.72 | 0.65 |
| 0.1 | 345.0 | 1.36 | 0.601 |
| 0.3 | 15.0 | 0.655 | 0.52 |
| 0.3 | 45.0 | 0.894 | 0.341 |
| 0.3 | 75.0 | 1.76 | 0.421 |
| 0.3 | 105.0 | 1.7 | 0.386 |
| 0.3 | 135.0 | 2.06 | 0.714 |
| 0.3 | 165.0 | 2.15 | 0.976 |
| 0.3 | 195.0 | 0.802 | 0.386 |
| 0.3 | 225.0 | 2.1 | 0.763 |
| 0.3 | 255.0 | 1.07 | 0.276 |
| 0.3 | 285.0 | 1.02 | 0.268 |
| 0.3 | 315.0 | 1.2 | 0.489 |
| 0.3 | 345.0 | 0.431 | 0.279 |
| 0.5 | 15.0 | 0.484 | 0.399 |
| 0.5 | 45.0 | 0.206 | 0.15 |
| 0.5 | 75.0 | 0.918 | 0.239 |
| 0.5 | 105.0 | 1.25 | 0.334 |
| 0.5 | 135.0 | 1.52 | 0.482 |
| 0.5 | 165.0 | 1.21 | 0.621 |
| 0.5 | 195.0 | 2.34 | 1.19 |
| 0.5 | 225.0 | 1.23 | 0.427 |
| 0.5 | 255.0 | 1.52 | 0.414 |
| 0.5 | 285.0 | 0.914 | 0.242 |
| 0.5 | 315.0 | 0.915 | 0.394 |
| 0.5 | 345.0 | 0.118 | 0.123 |
| 0.7 | 15.0 | 1.1 | 0.438 |
| 0.7 | 45.0 | 1.23 | 0.563 |
| 0.7 | 75.0 | 1.31 | 0.334 |
| 0.7 | 105.0 | 1.78 | 0.473 |
| 0.7 | 135.0 | 1.08 | 0.372 |
| 0.7 | 165.0 | 0.423 | 0.208 |
| 0.7 | 195.0 | 1.14 | 0.561 |
| 0.7 | 225.0 | 0.763 | 0.318 |
| 0.7 | 255.0 | 1.29 | 0.387 |
| 0.7 | 285.0 | 0.865 | 0.24 |
| 0.7 | 315.0 | 0.856 | 0.315 |
| 0.7 | 345.0 | 0.251 | 0.125 |
| 0.9 | 15.0 | 2.49 | 1.29 |
| 0.9 | 45.0 | 1.8 | 0.707 |
| 0.9 | 75.0 | 1.41 | 0.359 |
| 0.9 | 105.0 | 1.09 | 0.345 |
| 0.9 | 135.0 | 1.58 | 0.757 |
| 0.9 | 165.0 | 1.4 | 0.733 |
| 0.9 | 225.0 | 1.01 | 0.532 |
| 0.9 | 255.0 | 0.916 | 0.336 |
| 0.9 | 285.0 | 1.34 | 0.334 |
| 0.9 | 315.0 | 0.604 | 0.332 |
| 0.9 | 345.0 | 1.26 | 0.629 |
Experiment comment: