Measurement E9M44
| 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: | 1.36 GeV | |
| ε: | 0.613 | |
| 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 | 0.224 | 0.117 |
| -0.9 | 45.0 | 0.749 | 0.369 |
| -0.9 | 75.0 | 0.15 | 0.0721 |
| -0.9 | 105.0 | 0.29 | 0.153 |
| -0.9 | 135.0 | 0.493 | 0.202 |
| -0.9 | 165.0 | 0.46 | 0.252 |
| -0.9 | 195.0 | 0.271 | 0.123 |
| -0.9 | 225.0 | 0.388 | 0.23 |
| -0.9 | 255.0 | 0.227 | 0.13 |
| -0.9 | 285.0 | 0.646 | 0.355 |
| -0.9 | 315.0 | 0.189 | 0.102 |
| -0.9 | 345.0 | 0.419 | 0.181 |
| -0.7 | 15.0 | 0.207 | 0.113 |
| -0.7 | 45.0 | 0.582 | 0.24 |
| -0.7 | 75.0 | 1.85 | 0.623 |
| -0.7 | 105.0 | 1.05 | 0.427 |
| -0.7 | 135.0 | 0.563 | 0.267 |
| -0.7 | 165.0 | 0.358 | 0.138 |
| -0.7 | 195.0 | 0.338 | 0.138 |
| -0.7 | 225.0 | 0.763 | 0.279 |
| -0.7 | 255.0 | 1.92 | 0.703 |
| -0.7 | 285.0 | 0.329 | 0.15 |
| -0.7 | 315.0 | 0.559 | 0.209 |
| -0.7 | 345.0 | 0.323 | 0.137 |
| -0.5 | 15.0 | 0.501 | 0.186 |
| -0.5 | 45.0 | 1.24 | 0.366 |
| -0.5 | 75.0 | 2.8 | 1.01 |
| -0.5 | 105.0 | 2.23 | 0.759 |
| -0.5 | 135.0 | 0.988 | 0.466 |
| -0.5 | 165.0 | 1.24 | 0.638 |
| -0.5 | 195.0 | 0.928 | 0.326 |
| -0.5 | 225.0 | 1.34 | 0.655 |
| -0.5 | 255.0 | 1.95 | 0.723 |
| -0.5 | 285.0 | 1.26 | 0.392 |
| -0.5 | 315.0 | 1.65 | 0.44 |
| -0.5 | 345.0 | 0.672 | 0.237 |
| -0.3 | 15.0 | 0.694 | 0.215 |
| -0.3 | 45.0 | 1.28 | 0.364 |
| -0.3 | 75.0 | 2.73 | 0.773 |
| -0.3 | 105.0 | 1.06 | 0.406 |
| -0.3 | 135.0 | 2.64 | 1.62 |
| -0.3 | 165.0 | 0.664 | 0.291 |
| -0.3 | 195.0 | 0.538 | 0.302 |
| -0.3 | 225.0 | 0.847 | 0.402 |
| -0.3 | 255.0 | 1.45 | 0.459 |
| -0.3 | 285.0 | 2.04 | 0.578 |
| -0.3 | 315.0 | 0.821 | 0.256 |
| -0.3 | 345.0 | 1.4 | 0.408 |
| -0.1 | 15.0 | 0.735 | 0.257 |
| -0.1 | 45.0 | 1.25 | 0.377 |
| -0.1 | 75.0 | 0.871 | 0.24 |
| -0.1 | 105.0 | 1.17 | 0.371 |
| -0.1 | 135.0 | 1.39 | 0.583 |
| -0.1 | 165.0 | 1.17 | 0.86 |
| -0.1 | 195.0 | 1.66 | 0.82 |
| -0.1 | 225.0 | 0.767 | 0.352 |
| -0.1 | 255.0 | 0.952 | 0.31 |
| -0.1 | 285.0 | 1.76 | 0.452 |
| -0.1 | 315.0 | 0.771 | 0.263 |
| -0.1 | 345.0 | 0.979 | 0.273 |
| 0.1 | 15.0 | 1.1 | 0.29 |
| 0.1 | 45.0 | 0.756 | 0.236 |
| 0.1 | 75.0 | 5.31 | 1.4 |
| 0.1 | 105.0 | 0.866 | 0.277 |
| 0.1 | 135.0 | 2.69 | 1.47 |
| 0.1 | 165.0 | 7.18 | 6.05 |
| 0.1 | 195.0 | 0.51 | 0.296 |
| 0.1 | 225.0 | 2.8 | 1.46 |
| 0.1 | 255.0 | 1.48 | 0.42 |
| 0.1 | 285.0 | 0.63 | 0.198 |
| 0.1 | 315.0 | 0.952 | 0.274 |
| 0.1 | 345.0 | 0.865 | 0.276 |
| 0.3 | 15.0 | 0.95 | 0.305 |
| 0.3 | 45.0 | 0.53 | 0.164 |
| 0.3 | 75.0 | 1.16 | 0.371 |
| 0.3 | 105.0 | 1.27 | 0.457 |
| 0.3 | 135.0 | 1.02 | 0.528 |
| 0.3 | 165.0 | 1.28 | 0.784 |
| 0.3 | 195.0 | 0.474 | 0.383 |
| 0.3 | 225.0 | 3.29 | 1.86 |
| 0.3 | 255.0 | 2.11 | 0.757 |
| 0.3 | 285.0 | 1.46 | 0.462 |
| 0.3 | 315.0 | 0.997 | 0.297 |
| 0.3 | 345.0 | 1.22 | 0.323 |
| 0.5 | 15.0 | 0.72 | 0.231 |
| 0.5 | 45.0 | 1.04 | 0.348 |
| 0.5 | 75.0 | 1.08 | 0.347 |
| 0.5 | 105.0 | 2.96 | 1.1 |
| 0.5 | 135.0 | 0.545 | 0.313 |
| 0.5 | 165.0 | 4.51 | 3.81 |
| 0.5 | 195.0 | 1.94 | 1.59 |
| 0.5 | 225.0 | 2.61 | 1.19 |
| 0.5 | 255.0 | 1.34 | 0.48 |
| 0.5 | 285.0 | 0.571 | 0.233 |
| 0.5 | 315.0 | 0.542 | 0.198 |
| 0.5 | 345.0 | 1.38 | 0.49 |
| 0.7 | 15.0 | 0.633 | 0.227 |
| 0.7 | 45.0 | 1.72 | 0.559 |
| 0.7 | 75.0 | 1.2 | 0.485 |
| 0.7 | 105.0 | 1.31 | 0.532 |
| 0.7 | 135.0 | 0.576 | 0.325 |
| 0.7 | 165.0 | 2.85 | 2.05 |
| 0.7 | 195.0 | 0.813 | 0.579 |
| 0.7 | 225.0 | 1.37 | 0.674 |
| 0.7 | 255.0 | 0.49 | 0.25 |
| 0.7 | 285.0 | 0.866 | 0.332 |
| 0.7 | 315.0 | 0.742 | 0.37 |
| 0.7 | 345.0 | 0.627 | 0.239 |
| 0.9 | 15.0 | 0.282 | 0.151 |
| 0.9 | 45.0 | 1.52 | 0.831 |
| 0.9 | 75.0 | 0.266 | 0.171 |
| 0.9 | 105.0 | 0.392 | 0.227 |
| 0.9 | 135.0 | 2.31 | 1.62 |
| 0.9 | 165.0 | 0.506 | 0.328 |
| 0.9 | 195.0 | 0.248 | 0.197 |
| 0.9 | 225.0 | 0.588 | 0.318 |
| 0.9 | 255.0 | 2.7 | 2.22 |
| 0.9 | 285.0 | 1.85 | 1.04 |
| 0.9 | 315.0 | 1.23 | 0.693 |
| 0.9 | 345.0 | 4.66 | 3.01 |
Experiment comment: