Measurement E9M67
| 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: | 1.6 — 2.0 GeV2 | |
| W: | 1.24 GeV | |
| ε: | 0.57 | |
| 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 | 2.08 | 0.818 |
| -0.9 | 45.0 | 0.624 | 0.265 |
| -0.9 | 75.0 | 1.55 | 0.612 |
| -0.9 | 105.0 | 2.9 | 1.33 |
| -0.9 | 135.0 | 0.514 | 0.327 |
| -0.9 | 165.0 | 1.03 | 0.498 |
| -0.9 | 195.0 | 0.909 | 0.733 |
| -0.9 | 225.0 | 1.0 | 0.563 |
| -0.9 | 255.0 | 1.41 | 0.593 |
| -0.9 | 285.0 | 1.67 | 0.716 |
| -0.9 | 315.0 | 0.839 | 0.363 |
| -0.9 | 345.0 | 0.657 | 0.353 |
| -0.7 | 15.0 | 2.25 | 0.747 |
| -0.7 | 45.0 | 1.2 | 0.394 |
| -0.7 | 75.0 | 2.62 | 0.805 |
| -0.7 | 105.0 | 0.859 | 0.322 |
| -0.7 | 135.0 | 2.92 | 1.04 |
| -0.7 | 165.0 | 1.51 | 0.588 |
| -0.7 | 195.0 | 0.466 | 0.227 |
| -0.7 | 225.0 | 0.374 | 0.226 |
| -0.7 | 255.0 | 1.38 | 0.49 |
| -0.7 | 285.0 | 0.664 | 0.242 |
| -0.7 | 315.0 | 1.54 | 0.477 |
| -0.7 | 345.0 | 0.922 | 0.392 |
| -0.5 | 15.0 | 1.96 | 0.576 |
| -0.5 | 45.0 | 2.56 | 0.752 |
| -0.5 | 75.0 | 2.19 | 0.687 |
| -0.5 | 105.0 | 1.5 | 0.525 |
| -0.5 | 135.0 | 1.5 | 0.494 |
| -0.5 | 165.0 | 0.959 | 0.36 |
| -0.5 | 195.0 | 0.991 | 0.459 |
| -0.5 | 225.0 | 2.54 | 0.74 |
| -0.5 | 255.0 | 1.42 | 0.452 |
| -0.5 | 285.0 | 2.4 | 0.741 |
| -0.5 | 315.0 | 2.47 | 0.808 |
| -0.5 | 345.0 | 1.41 | 0.46 |
| -0.3 | 15.0 | 1.6 | 0.445 |
| -0.3 | 45.0 | 2.42 | 0.657 |
| -0.3 | 75.0 | 1.61 | 0.534 |
| -0.3 | 105.0 | 3.88 | 1.18 |
| -0.3 | 135.0 | 1.16 | 0.405 |
| -0.3 | 165.0 | 2.16 | 0.754 |
| -0.3 | 195.0 | 2.42 | 0.803 |
| -0.3 | 225.0 | 2.03 | 0.625 |
| -0.3 | 255.0 | 2.44 | 0.767 |
| -0.3 | 285.0 | 1.75 | 0.507 |
| -0.3 | 315.0 | 1.63 | 0.49 |
| -0.3 | 345.0 | 3.45 | 0.858 |
| -0.1 | 15.0 | 1.62 | 0.454 |
| -0.1 | 45.0 | 3.51 | 0.915 |
| -0.1 | 75.0 | 1.94 | 0.647 |
| -0.1 | 105.0 | 2.3 | 0.758 |
| -0.1 | 135.0 | 2.64 | 0.879 |
| -0.1 | 165.0 | 1.99 | 0.668 |
| -0.1 | 195.0 | 4.76 | 1.41 |
| -0.1 | 225.0 | 1.6 | 0.521 |
| -0.1 | 255.0 | 2.33 | 0.657 |
| -0.1 | 285.0 | 2.3 | 0.684 |
| -0.1 | 315.0 | 1.74 | 0.485 |
| -0.1 | 345.0 | 0.704 | 0.256 |
| 0.1 | 15.0 | 2.07 | 0.653 |
| 0.1 | 45.0 | 2.07 | 0.618 |
| 0.1 | 75.0 | 3.92 | 1.02 |
| 0.1 | 105.0 | 2.23 | 0.63 |
| 0.1 | 135.0 | 3.49 | 1.1 |
| 0.1 | 165.0 | 3.61 | 1.01 |
| 0.1 | 195.0 | 0.414 | 0.217 |
| 0.1 | 225.0 | 2.73 | 0.842 |
| 0.1 | 255.0 | 2.03 | 0.577 |
| 0.1 | 285.0 | 2.99 | 0.823 |
| 0.1 | 315.0 | 1.06 | 0.384 |
| 0.1 | 345.0 | 2.46 | 0.658 |
| 0.3 | 15.0 | 5.09 | 1.44 |
| 0.3 | 45.0 | 4.36 | 1.21 |
| 0.3 | 75.0 | 3.08 | 0.911 |
| 0.3 | 105.0 | 2.18 | 0.639 |
| 0.3 | 135.0 | 3.12 | 0.901 |
| 0.3 | 165.0 | 3.63 | 1.07 |
| 0.3 | 195.0 | 1.13 | 0.381 |
| 0.3 | 225.0 | 2.72 | 0.922 |
| 0.3 | 255.0 | 4.03 | 1.06 |
| 0.3 | 285.0 | 2.21 | 0.651 |
| 0.3 | 315.0 | 1.88 | 0.543 |
| 0.3 | 345.0 | 1.65 | 0.533 |
| 0.5 | 15.0 | 1.98 | 0.647 |
| 0.5 | 45.0 | 2.5 | 0.65 |
| 0.5 | 75.0 | 3.45 | 1.07 |
| 0.5 | 105.0 | 2.89 | 0.814 |
| 0.5 | 135.0 | 3.19 | 0.929 |
| 0.5 | 165.0 | 3.18 | 1.14 |
| 0.5 | 195.0 | 0.863 | 0.367 |
| 0.5 | 225.0 | 1.81 | 0.687 |
| 0.5 | 255.0 | 2.91 | 0.824 |
| 0.5 | 285.0 | 2.81 | 0.82 |
| 0.5 | 315.0 | 1.07 | 0.318 |
| 0.5 | 345.0 | 2.0 | 0.583 |
| 0.7 | 15.0 | 0.972 | 0.327 |
| 0.7 | 45.0 | 2.35 | 0.659 |
| 0.7 | 75.0 | 1.99 | 0.657 |
| 0.7 | 105.0 | 2.09 | 0.693 |
| 0.7 | 135.0 | 1.85 | 0.583 |
| 0.7 | 165.0 | 2.72 | 0.943 |
| 0.7 | 195.0 | 1.24 | 0.373 |
| 0.7 | 225.0 | 1.41 | 0.608 |
| 0.7 | 255.0 | 2.76 | 0.903 |
| 0.7 | 285.0 | 3.61 | 1.19 |
| 0.7 | 315.0 | 1.51 | 0.529 |
| 0.7 | 345.0 | 0.574 | 0.259 |
| 0.9 | 15.0 | 0.617 | 0.345 |
| 0.9 | 45.0 | 0.969 | 0.433 |
| 0.9 | 75.0 | 1.51 | 0.542 |
| 0.9 | 105.0 | 1.63 | 0.804 |
| 0.9 | 135.0 | 0.888 | 0.436 |
| 0.9 | 165.0 | 1.79 | 0.65 |
| 0.9 | 195.0 | 2.66 | 0.907 |
| 0.9 | 225.0 | 2.62 | 1.07 |
| 0.9 | 255.0 | 2.23 | 0.934 |
| 0.9 | 285.0 | 2.04 | 0.804 |
| 0.9 | 315.0 | 0.886 | 0.41 |
| 0.9 | 345.0 | 0.93 | 0.387 |
Experiment comment: