Measurement E9M120
| 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: | 0.6 — 0.7 GeV2 | |
| W: | 1.34 GeV | |
| ε: | 0.635 | |
| 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 | 0.624 | 0.264 |
| -0.9 | 45.0 | 0.612 | 0.299 |
| -0.9 | 75.0 | 0.398 | 0.294 |
| -0.9 | 105.0 | 0.804 | 0.346 |
| -0.9 | 135.0 | 0.572 | 0.358 |
| -0.9 | 165.0 | 0.709 | 0.555 |
| -0.9 | 195.0 | 1.36 | 0.658 |
| -0.9 | 225.0 | 0.724 | 0.456 |
| -0.9 | 255.0 | 0.955 | 0.475 |
| -0.9 | 285.0 | 1.47 | 0.83 |
| -0.9 | 315.0 | 0.486 | 0.262 |
| -0.9 | 345.0 | 1.46 | 0.687 |
| -0.7 | 15.0 | 2.04 | 0.642 |
| -0.7 | 45.0 | 1.34 | 0.493 |
| -0.7 | 75.0 | 5.72 | 1.62 |
| -0.7 | 105.0 | 2.43 | 1.12 |
| -0.7 | 135.0 | 1.09 | 0.59 |
| -0.7 | 165.0 | 1.52 | 0.736 |
| -0.7 | 195.0 | 1.05 | 0.659 |
| -0.7 | 225.0 | 4.07 | 1.63 |
| -0.7 | 255.0 | 2.04 | 0.79 |
| -0.7 | 285.0 | 1.24 | 0.476 |
| -0.7 | 315.0 | 2.75 | 0.744 |
| -0.7 | 345.0 | 0.994 | 0.356 |
| -0.5 | 15.0 | 3.34 | 0.875 |
| -0.5 | 45.0 | 2.64 | 0.698 |
| -0.5 | 75.0 | 6.53 | 1.85 |
| -0.5 | 105.0 | 2.2 | 0.678 |
| -0.5 | 135.0 | 3.2 | 1.6 |
| -0.5 | 165.0 | 7.74 | 3.39 |
| -0.5 | 195.0 | 2.47 | 1.18 |
| -0.5 | 225.0 | 2.13 | 1.09 |
| -0.5 | 255.0 | 2.38 | 0.874 |
| -0.5 | 285.0 | 3.63 | 0.994 |
| -0.5 | 315.0 | 2.58 | 0.751 |
| -0.5 | 345.0 | 1.53 | 0.425 |
| -0.3 | 15.0 | 2.97 | 0.737 |
| -0.3 | 45.0 | 2.34 | 0.686 |
| -0.3 | 75.0 | 5.81 | 1.39 |
| -0.3 | 105.0 | 5.16 | 1.39 |
| -0.3 | 135.0 | 2.81 | 1.05 |
| -0.3 | 165.0 | 1.05 | 1.11 |
| -0.3 | 195.0 | 2.68 | 1.51 |
| -0.3 | 225.0 | 2.48 | 1.02 |
| -0.3 | 255.0 | 4.19 | 1.15 |
| -0.3 | 285.0 | 4.12 | 1.13 |
| -0.3 | 315.0 | 4.01 | 1.0 |
| -0.3 | 345.0 | 3.69 | 0.831 |
| -0.1 | 15.0 | 3.56 | 0.823 |
| -0.1 | 45.0 | 2.94 | 0.714 |
| -0.1 | 75.0 | 3.85 | 0.903 |
| -0.1 | 105.0 | 8.99 | 2.05 |
| -0.1 | 135.0 | 5.74 | 1.51 |
| -0.1 | 165.0 | 3.95 | 4.35 |
| -0.1 | 195.0 | 5.95 | 5.45 |
| -0.1 | 225.0 | 4.29 | 1.26 |
| -0.1 | 255.0 | 4.83 | 1.38 |
| -0.1 | 285.0 | 4.58 | 1.1 |
| -0.1 | 315.0 | 8.39 | 1.75 |
| -0.1 | 345.0 | 2.32 | 0.59 |
| 0.1 | 15.0 | 2.34 | 0.578 |
| 0.1 | 45.0 | 3.64 | 0.883 |
| 0.1 | 75.0 | 5.03 | 1.29 |
| 0.1 | 105.0 | 4.8 | 1.06 |
| 0.1 | 135.0 | 4.56 | 1.08 |
| 0.1 | 165.0 | 0.975 | 1.04 |
| 0.1 | 195.0 | 22.4 | 27.5 |
| 0.1 | 225.0 | 2.97 | 0.871 |
| 0.1 | 255.0 | 6.24 | 1.56 |
| 0.1 | 285.0 | 4.16 | 0.984 |
| 0.1 | 315.0 | 2.53 | 0.606 |
| 0.1 | 345.0 | 3.13 | 0.784 |
| 0.3 | 15.0 | 3.15 | 0.699 |
| 0.3 | 45.0 | 3.13 | 0.819 |
| 0.3 | 75.0 | 3.08 | 0.816 |
| 0.3 | 105.0 | 5.05 | 1.1 |
| 0.3 | 135.0 | 2.92 | 0.826 |
| 0.3 | 165.0 | 2.94 | 1.98 |
| 0.3 | 195.0 | 8.43 | 6.02 |
| 0.3 | 225.0 | 3.56 | 1.06 |
| 0.3 | 255.0 | 7.49 | 1.87 |
| 0.3 | 285.0 | 2.78 | 0.795 |
| 0.3 | 315.0 | 2.42 | 0.629 |
| 0.3 | 345.0 | 2.76 | 0.655 |
| 0.5 | 15.0 | 4.83 | 1.15 |
| 0.5 | 45.0 | 1.75 | 0.489 |
| 0.5 | 75.0 | 1.92 | 0.563 |
| 0.5 | 105.0 | 6.73 | 1.66 |
| 0.5 | 135.0 | 3.1 | 0.881 |
| 0.5 | 165.0 | 4.76 | 5.85 |
| 0.5 | 225.0 | 1.56 | 0.525 |
| 0.5 | 255.0 | 3.57 | 0.944 |
| 0.5 | 285.0 | 2.82 | 0.851 |
| 0.5 | 315.0 | 2.15 | 0.663 |
| 0.5 | 345.0 | 2.05 | 0.496 |
| 0.7 | 15.0 | 1.58 | 0.416 |
| 0.7 | 45.0 | 1.37 | 0.424 |
| 0.7 | 75.0 | 2.32 | 0.757 |
| 0.7 | 105.0 | 2.74 | 0.734 |
| 0.7 | 135.0 | 4.06 | 1.73 |
| 0.7 | 165.0 | 3.5 | 2.36 |
| 0.7 | 195.0 | 6.91 | 6.95 |
| 0.7 | 225.0 | 2.57 | 0.862 |
| 0.7 | 255.0 | 4.41 | 1.32 |
| 0.7 | 285.0 | 1.03 | 0.357 |
| 0.7 | 315.0 | 1.75 | 0.557 |
| 0.7 | 345.0 | 1.74 | 0.589 |
| 0.9 | 15.0 | 1.97 | 0.807 |
| 0.9 | 45.0 | 1.96 | 0.767 |
| 0.9 | 75.0 | 0.756 | 0.371 |
| 0.9 | 105.0 | 1.19 | 0.79 |
| 0.9 | 135.0 | 4.45 | 2.55 |
| 0.9 | 195.0 | 5.05 | 4.64 |
| 0.9 | 225.0 | 2.48 | 1.59 |
| 0.9 | 255.0 | 2.73 | 1.57 |
| 0.9 | 285.0 | 2.53 | 0.97 |
| 0.9 | 315.0 | 2.03 | 0.916 |
| 0.9 | 345.0 | 0.823 | 0.277 |
Experiment comment: