Measurement E9M209
| 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: | 1.4 GeV | |
| ε: | 0.8 | |
| 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 | 0.376 | 0.211 |
| -0.9 | 45.0 | 0.146 | 0.0895 |
| -0.9 | 75.0 | 0.511 | 0.248 |
| -0.9 | 105.0 | 0.5 | 0.251 |
| -0.9 | 135.0 | 0.941 | 0.394 |
| -0.9 | 165.0 | 1.01 | 0.455 |
| -0.9 | 195.0 | 1.42 | 0.48 |
| -0.9 | 225.0 | 0.712 | 0.271 |
| -0.9 | 255.0 | 0.724 | 0.341 |
| -0.9 | 285.0 | 0.942 | 0.435 |
| -0.9 | 315.0 | 0.646 | 0.375 |
| -0.9 | 345.0 | 0.139 | 0.0777 |
| -0.7 | 15.0 | 0.343 | 0.133 |
| -0.7 | 45.0 | 0.781 | 0.239 |
| -0.7 | 75.0 | 4.4 | 1.39 |
| -0.7 | 105.0 | 1.11 | 0.551 |
| -0.7 | 135.0 | 0.468 | 0.288 |
| -0.7 | 165.0 | 1.21 | 0.406 |
| -0.7 | 195.0 | 1.27 | 0.353 |
| -0.7 | 225.0 | 1.41 | 0.481 |
| -0.7 | 255.0 | 1.28 | 0.464 |
| -0.7 | 285.0 | 1.87 | 0.63 |
| -0.7 | 315.0 | 0.379 | 0.164 |
| -0.7 | 345.0 | 0.645 | 0.243 |
| -0.5 | 15.0 | 0.7 | 0.195 |
| -0.5 | 45.0 | 2.09 | 0.509 |
| -0.5 | 75.0 | 4.12 | 1.32 |
| -0.5 | 105.0 | 0.459 | 0.471 |
| -0.5 | 135.0 | 1.88 | 1.23 |
| -0.5 | 165.0 | 1.78 | 0.656 |
| -0.5 | 195.0 | 1.3 | 0.541 |
| -0.5 | 225.0 | 7.9 | 5.6 |
| -0.5 | 255.0 | 5.98 | 5.47 |
| -0.5 | 285.0 | 3.73 | 1.23 |
| -0.5 | 315.0 | 1.67 | 0.416 |
| -0.5 | 345.0 | 0.95 | 0.227 |
| -0.3 | 15.0 | 1.6 | 0.396 |
| -0.3 | 45.0 | 2.78 | 0.591 |
| -0.3 | 75.0 | 3.1 | 0.959 |
| -0.3 | 105.0 | 1.04 | 0.449 |
| -0.3 | 135.0 | 3.03 | 1.6 |
| -0.3 | 165.0 | 4.29 | 2.06 |
| -0.3 | 195.0 | 0.458 | 0.341 |
| -0.3 | 225.0 | 2.8 | 1.31 |
| -0.3 | 255.0 | 4.69 | 1.56 |
| -0.3 | 285.0 | 3.92 | 1.5 |
| -0.3 | 315.0 | 1.93 | 0.467 |
| -0.3 | 345.0 | 1.24 | 0.296 |
| -0.1 | 15.0 | 1.33 | 0.309 |
| -0.1 | 45.0 | 2.75 | 0.588 |
| -0.1 | 75.0 | 2.32 | 0.717 |
| -0.1 | 105.0 | 3.82 | 1.04 |
| -0.1 | 135.0 | 2.92 | 0.865 |
| -0.1 | 165.0 | 2.42 | 2.97 |
| -0.1 | 195.0 | 1.44 | 1.18 |
| -0.1 | 225.0 | 2.6 | 0.758 |
| -0.1 | 255.0 | 3.32 | 0.885 |
| -0.1 | 285.0 | 6.29 | 1.85 |
| -0.1 | 315.0 | 2.24 | 0.489 |
| -0.1 | 345.0 | 1.81 | 0.402 |
| 0.1 | 15.0 | 1.58 | 0.364 |
| 0.1 | 45.0 | 1.95 | 0.465 |
| 0.1 | 75.0 | 2.66 | 0.795 |
| 0.1 | 105.0 | 3.0 | 0.667 |
| 0.1 | 135.0 | 2.85 | 0.708 |
| 0.1 | 165.0 | 3.23 | 3.96 |
| 0.1 | 195.0 | 1.88 | 2.31 |
| 0.1 | 225.0 | 3.14 | 0.806 |
| 0.1 | 255.0 | 2.68 | 0.688 |
| 0.1 | 285.0 | 3.79 | 1.31 |
| 0.1 | 315.0 | 1.1 | 0.267 |
| 0.1 | 345.0 | 1.16 | 0.32 |
| 0.3 | 15.0 | 0.834 | 0.23 |
| 0.3 | 45.0 | 1.98 | 0.502 |
| 0.3 | 75.0 | 2.12 | 0.593 |
| 0.3 | 105.0 | 2.56 | 0.568 |
| 0.3 | 135.0 | 4.37 | 0.994 |
| 0.3 | 165.0 | 3.29 | 1.84 |
| 0.3 | 195.0 | 0.568 | 0.433 |
| 0.3 | 225.0 | 4.25 | 1.05 |
| 0.3 | 255.0 | 2.27 | 0.529 |
| 0.3 | 285.0 | 3.39 | 1.05 |
| 0.3 | 315.0 | 1.58 | 0.437 |
| 0.3 | 345.0 | 0.731 | 0.205 |
| 0.5 | 15.0 | 2.07 | 0.553 |
| 0.5 | 45.0 | 1.24 | 0.34 |
| 0.5 | 75.0 | 1.55 | 0.466 |
| 0.5 | 105.0 | 2.38 | 0.665 |
| 0.5 | 135.0 | 1.56 | 0.46 |
| 0.5 | 165.0 | 1.44 | 0.796 |
| 0.5 | 195.0 | 6.05 | 4.2 |
| 0.5 | 225.0 | 3.15 | 0.824 |
| 0.5 | 255.0 | 1.57 | 0.384 |
| 0.5 | 285.0 | 2.49 | 0.804 |
| 0.5 | 315.0 | 1.74 | 0.477 |
| 0.5 | 345.0 | 1.19 | 0.345 |
| 0.7 | 15.0 | 0.82 | 0.35 |
| 0.7 | 45.0 | 0.736 | 0.271 |
| 0.7 | 75.0 | 1.15 | 0.476 |
| 0.7 | 105.0 | 0.846 | 0.256 |
| 0.7 | 135.0 | 0.928 | 0.308 |
| 0.7 | 165.0 | 8.3 | 9.61 |
| 0.7 | 195.0 | 5.23 | 4.4 |
| 0.7 | 225.0 | 0.907 | 0.361 |
| 0.7 | 255.0 | 1.83 | 0.631 |
| 0.7 | 285.0 | 2.82 | 1.34 |
| 0.7 | 315.0 | 1.01 | 0.344 |
| 0.7 | 345.0 | 1.25 | 0.399 |
| 0.9 | 15.0 | 0.911 | 0.338 |
| 0.9 | 45.0 | 1.08 | 0.438 |
| 0.9 | 75.0 | 1.8 | 0.755 |
| 0.9 | 105.0 | 0.616 | 0.32 |
| 0.9 | 135.0 | 1.85 | 1.18 |
| 0.9 | 165.0 | 1.46 | 0.897 |
| 0.9 | 195.0 | 7.13 | 8.01 |
| 0.9 | 225.0 | 0.299 | 0.189 |
| 0.9 | 255.0 | 0.379 | 0.237 |
| 0.9 | 285.0 | 0.436 | 0.256 |
| 0.9 | 315.0 | 0.809 | 0.371 |
| 0.9 | 345.0 | 0.538 | 0.178 |
Experiment comment: