Measurement E9M22
| 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: | 0.35 — 0.45 GeV2 | |
| W: | 1.52 GeV | |
| ε: | 0.597 | |
| 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 | 0.245 | 0.119 |
| -0.9 | 45.0 | 0.615 | 0.301 |
| -0.9 | 75.0 | 0.964 | 0.6 |
| -0.9 | 105.0 | 1.16 | 0.748 |
| -0.9 | 135.0 | 3.82 | 4.68 |
| -0.9 | 165.0 | 1.39 | 0.796 |
| -0.9 | 195.0 | 1.46 | 0.756 |
| -0.9 | 225.0 | 1.01 | 0.772 |
| -0.9 | 255.0 | 1.68 | 1.11 |
| -0.9 | 285.0 | 1.91 | 0.793 |
| -0.9 | 315.0 | 0.782 | 0.357 |
| -0.9 | 345.0 | 0.572 | 0.231 |
| -0.7 | 15.0 | 0.678 | 0.226 |
| -0.7 | 45.0 | 1.5 | 0.61 |
| -0.7 | 75.0 | 1.05 | 0.429 |
| -0.7 | 105.0 | 2.41 | 0.654 |
| -0.7 | 135.0 | 3.89 | 1.03 |
| -0.7 | 195.0 | 2.06 | 2.38 |
| -0.7 | 225.0 | 1.82 | 0.675 |
| -0.7 | 255.0 | 3.66 | 0.991 |
| -0.7 | 285.0 | 0.702 | 0.329 |
| -0.7 | 315.0 | 1.46 | 0.572 |
| -0.7 | 345.0 | 1.08 | 0.347 |
| -0.5 | 15.0 | 1.01 | 0.276 |
| -0.5 | 45.0 | 0.665 | 0.283 |
| -0.5 | 75.0 | 1.9 | 0.531 |
| -0.5 | 105.0 | 3.13 | 0.611 |
| -0.5 | 135.0 | 4.1 | 0.963 |
| -0.5 | 225.0 | 1.93 | 0.46 |
| -0.5 | 255.0 | 1.81 | 0.355 |
| -0.5 | 285.0 | 1.93 | 0.543 |
| -0.5 | 315.0 | 1.27 | 0.388 |
| -0.5 | 345.0 | 1.18 | 0.346 |
| -0.3 | 15.0 | 2.08 | 0.472 |
| -0.3 | 45.0 | 3.78 | 0.888 |
| -0.3 | 75.0 | 3.58 | 0.677 |
| -0.3 | 105.0 | 4.43 | 0.688 |
| -0.3 | 135.0 | 2.68 | 0.946 |
| -0.3 | 165.0 | 3.29 | 3.81 |
| -0.3 | 195.0 | 15.3 | 14.0 |
| -0.3 | 225.0 | 6.66 | 2.04 |
| -0.3 | 255.0 | 3.28 | 0.543 |
| -0.3 | 285.0 | 3.72 | 0.664 |
| -0.3 | 315.0 | 2.66 | 0.728 |
| -0.3 | 345.0 | 1.13 | 0.276 |
| -0.1 | 15.0 | 1.75 | 0.472 |
| -0.1 | 45.0 | 2.53 | 0.603 |
| -0.1 | 75.0 | 4.35 | 0.653 |
| -0.1 | 105.0 | 4.25 | 0.694 |
| -0.1 | 135.0 | 4.58 | 1.64 |
| -0.1 | 165.0 | 3.47 | 1.33 |
| -0.1 | 195.0 | 2.14 | 0.754 |
| -0.1 | 225.0 | 5.72 | 1.87 |
| -0.1 | 255.0 | 4.82 | 0.765 |
| -0.1 | 285.0 | 3.66 | 0.581 |
| -0.1 | 315.0 | 2.42 | 0.695 |
| -0.1 | 345.0 | 2.43 | 0.523 |
| 0.1 | 15.0 | 2.14 | 0.882 |
| 0.1 | 45.0 | 3.68 | 0.796 |
| 0.1 | 75.0 | 4.25 | 0.618 |
| 0.1 | 105.0 | 3.98 | 0.672 |
| 0.1 | 135.0 | 6.87 | 1.5 |
| 0.1 | 165.0 | 3.94 | 1.1 |
| 0.1 | 195.0 | 2.14 | 0.721 |
| 0.1 | 225.0 | 5.61 | 1.23 |
| 0.1 | 255.0 | 2.88 | 0.526 |
| 0.1 | 285.0 | 4.04 | 0.629 |
| 0.1 | 315.0 | 3.4 | 0.791 |
| 0.1 | 345.0 | 1.22 | 0.528 |
| 0.3 | 15.0 | 3.65 | 1.21 |
| 0.3 | 45.0 | 3.88 | 0.861 |
| 0.3 | 75.0 | 4.86 | 0.702 |
| 0.3 | 105.0 | 3.73 | 0.726 |
| 0.3 | 135.0 | 4.35 | 0.976 |
| 0.3 | 165.0 | 2.28 | 0.711 |
| 0.3 | 195.0 | 3.52 | 1.11 |
| 0.3 | 225.0 | 5.94 | 1.11 |
| 0.3 | 255.0 | 5.13 | 0.899 |
| 0.3 | 285.0 | 4.2 | 0.636 |
| 0.3 | 315.0 | 3.46 | 0.772 |
| 0.3 | 345.0 | 0.983 | 0.427 |
| 0.5 | 15.0 | 2.17 | 0.9 |
| 0.5 | 45.0 | 3.22 | 0.761 |
| 0.5 | 75.0 | 2.38 | 0.425 |
| 0.5 | 105.0 | 3.07 | 0.619 |
| 0.5 | 135.0 | 1.88 | 0.496 |
| 0.5 | 165.0 | 3.13 | 1.08 |
| 0.5 | 195.0 | 3.55 | 1.02 |
| 0.5 | 225.0 | 2.69 | 0.538 |
| 0.5 | 255.0 | 2.99 | 0.681 |
| 0.5 | 285.0 | 5.06 | 0.748 |
| 0.5 | 315.0 | 2.3 | 0.676 |
| 0.5 | 345.0 | 2.4 | 0.885 |
| 0.7 | 15.0 | 1.59 | 0.526 |
| 0.7 | 45.0 | 2.4 | 0.604 |
| 0.7 | 75.0 | 1.63 | 0.35 |
| 0.7 | 105.0 | 2.79 | 0.738 |
| 0.7 | 135.0 | 1.76 | 0.534 |
| 0.7 | 165.0 | 2.93 | 1.02 |
| 0.7 | 195.0 | 2.23 | 0.743 |
| 0.7 | 225.0 | 1.14 | 0.382 |
| 0.7 | 255.0 | 2.03 | 0.517 |
| 0.7 | 285.0 | 2.07 | 0.41 |
| 0.7 | 315.0 | 2.5 | 0.648 |
| 0.7 | 345.0 | 1.25 | 0.443 |
| 0.9 | 15.0 | 1.92 | 0.722 |
| 0.9 | 45.0 | 2.59 | 0.869 |
| 0.9 | 75.0 | 1.74 | 0.386 |
| 0.9 | 105.0 | 0.736 | 0.225 |
| 0.9 | 135.0 | 0.508 | 0.309 |
| 0.9 | 165.0 | 0.476 | 0.295 |
| 0.9 | 195.0 | 0.339 | 0.208 |
| 0.9 | 225.0 | 0.54 | 0.287 |
| 0.9 | 255.0 | 1.52 | 0.523 |
| 0.9 | 285.0 | 2.74 | 0.617 |
| 0.9 | 315.0 | 2.25 | 0.842 |
| 0.9 | 345.0 | 4.57 | 2.25 |
Experiment comment: