Measurement E9M208
| 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: | 1.38 GeV | |
| ε: | 0.809 | |
| 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 | 0.396 | 0.227 |
| -0.9 | 45.0 | 0.398 | 0.161 |
| -0.9 | 75.0 | 0.907 | 0.394 |
| -0.9 | 105.0 | 1.99 | 0.949 |
| -0.9 | 135.0 | 1.08 | 0.388 |
| -0.9 | 165.0 | 1.74 | 0.726 |
| -0.9 | 195.0 | 0.824 | 0.301 |
| -0.9 | 225.0 | 0.419 | 0.195 |
| -0.9 | 255.0 | 0.952 | 0.393 |
| -0.9 | 285.0 | 1.11 | 0.476 |
| -0.9 | 315.0 | 0.452 | 0.204 |
| -0.9 | 345.0 | 0.0848 | 0.063 |
| -0.7 | 15.0 | 0.678 | 0.225 |
| -0.7 | 45.0 | 1.55 | 0.428 |
| -0.7 | 75.0 | 1.64 | 0.486 |
| -0.7 | 105.0 | 2.82 | 1.03 |
| -0.7 | 135.0 | 2.87 | 0.964 |
| -0.7 | 165.0 | 1.31 | 0.465 |
| -0.7 | 195.0 | 0.724 | 0.237 |
| -0.7 | 225.0 | 1.76 | 0.663 |
| -0.7 | 255.0 | 2.21 | 0.807 |
| -0.7 | 285.0 | 1.11 | 0.322 |
| -0.7 | 315.0 | 0.964 | 0.309 |
| -0.7 | 345.0 | 0.926 | 0.298 |
| -0.5 | 15.0 | 1.25 | 0.274 |
| -0.5 | 45.0 | 2.0 | 0.452 |
| -0.5 | 75.0 | 2.16 | 0.642 |
| -0.5 | 105.0 | 2.6 | 1.19 |
| -0.5 | 135.0 | 2.16 | 1.04 |
| -0.5 | 165.0 | 1.68 | 0.633 |
| -0.5 | 195.0 | 2.9 | 0.976 |
| -0.5 | 225.0 | 2.59 | 1.76 |
| -0.5 | 255.0 | 2.59 | 1.2 |
| -0.5 | 285.0 | 2.7 | 0.805 |
| -0.5 | 315.0 | 1.92 | 0.415 |
| -0.5 | 345.0 | 1.49 | 0.366 |
| -0.3 | 15.0 | 1.2 | 0.293 |
| -0.3 | 45.0 | 2.94 | 0.69 |
| -0.3 | 75.0 | 2.79 | 0.904 |
| -0.3 | 105.0 | 9.95 | 4.1 |
| -0.3 | 135.0 | 1.45 | 0.925 |
| -0.3 | 165.0 | 2.74 | 1.43 |
| -0.3 | 195.0 | 1.1 | 0.521 |
| -0.3 | 225.0 | 1.69 | 1.08 |
| -0.3 | 255.0 | 2.55 | 1.09 |
| -0.3 | 285.0 | 2.29 | 0.8 |
| -0.3 | 315.0 | 1.93 | 0.42 |
| -0.3 | 345.0 | 1.73 | 0.393 |
| -0.1 | 15.0 | 1.28 | 0.314 |
| -0.1 | 45.0 | 1.57 | 0.373 |
| -0.1 | 75.0 | 1.74 | 0.704 |
| -0.1 | 105.0 | 4.51 | 1.2 |
| -0.1 | 135.0 | 2.57 | 0.79 |
| -0.1 | 195.0 | 7.29 | 3.41 |
| -0.1 | 225.0 | 3.81 | 1.08 |
| -0.1 | 255.0 | 3.09 | 0.927 |
| -0.1 | 285.0 | 3.65 | 1.13 |
| -0.1 | 315.0 | 2.19 | 0.455 |
| -0.1 | 345.0 | 1.09 | 0.267 |
| 0.1 | 15.0 | 1.6 | 0.319 |
| 0.1 | 45.0 | 3.11 | 0.597 |
| 0.1 | 75.0 | 1.4 | 0.479 |
| 0.1 | 105.0 | 2.76 | 0.67 |
| 0.1 | 135.0 | 3.19 | 0.914 |
| 0.1 | 195.0 | 1.08 | 1.18 |
| 0.1 | 225.0 | 3.41 | 0.94 |
| 0.1 | 255.0 | 5.31 | 1.16 |
| 0.1 | 285.0 | 2.53 | 0.94 |
| 0.1 | 315.0 | 3.19 | 0.612 |
| 0.1 | 345.0 | 0.834 | 0.208 |
| 0.3 | 15.0 | 2.55 | 0.588 |
| 0.3 | 45.0 | 1.49 | 0.351 |
| 0.3 | 75.0 | 4.43 | 1.39 |
| 0.3 | 105.0 | 3.15 | 0.7 |
| 0.3 | 135.0 | 5.12 | 1.35 |
| 0.3 | 165.0 | 2.96 | 2.17 |
| 0.3 | 195.0 | 3.21 | 2.93 |
| 0.3 | 225.0 | 2.51 | 0.571 |
| 0.3 | 255.0 | 1.81 | 0.447 |
| 0.3 | 285.0 | 3.67 | 1.23 |
| 0.3 | 315.0 | 2.69 | 0.624 |
| 0.3 | 345.0 | 1.55 | 0.368 |
| 0.5 | 15.0 | 1.47 | 0.33 |
| 0.5 | 45.0 | 1.39 | 0.358 |
| 0.5 | 75.0 | 2.39 | 0.794 |
| 0.5 | 105.0 | 2.46 | 0.546 |
| 0.5 | 135.0 | 2.32 | 0.668 |
| 0.5 | 165.0 | 2.04 | 1.77 |
| 0.5 | 195.0 | 1.66 | 1.05 |
| 0.5 | 225.0 | 2.11 | 0.604 |
| 0.5 | 255.0 | 2.39 | 0.591 |
| 0.5 | 285.0 | 1.17 | 0.481 |
| 0.5 | 315.0 | 1.27 | 0.342 |
| 0.5 | 345.0 | 1.38 | 0.313 |
| 0.7 | 15.0 | 1.25 | 0.378 |
| 0.7 | 45.0 | 0.876 | 0.278 |
| 0.7 | 75.0 | 1.06 | 0.46 |
| 0.7 | 105.0 | 1.13 | 0.426 |
| 0.7 | 135.0 | 0.844 | 0.302 |
| 0.7 | 165.0 | 0.757 | 0.517 |
| 0.7 | 195.0 | 1.45 | 0.975 |
| 0.7 | 225.0 | 1.5 | 0.466 |
| 0.7 | 255.0 | 1.86 | 0.598 |
| 0.7 | 285.0 | 0.97 | 0.48 |
| 0.7 | 315.0 | 0.764 | 0.247 |
| 0.7 | 345.0 | 0.764 | 0.22 |
| 0.9 | 15.0 | 0.716 | 0.254 |
| 0.9 | 45.0 | 0.384 | 0.18 |
| 0.9 | 75.0 | 0.405 | 0.232 |
| 0.9 | 105.0 | 0.986 | 0.449 |
| 0.9 | 135.0 | 0.319 | 0.25 |
| 0.9 | 165.0 | 0.635 | 0.429 |
| 0.9 | 195.0 | 1.25 | 0.72 |
| 0.9 | 225.0 | 0.621 | 0.426 |
| 0.9 | 255.0 | 1.13 | 0.588 |
| 0.9 | 285.0 | 0.546 | 0.285 |
| 0.9 | 315.0 | 1.41 | 0.62 |
| 0.9 | 345.0 | 1.09 | 0.383 |
Experiment comment: