Measurement E9M13
| 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: | 1.34 GeV | |
| ε: | 0.765 | |
| 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 | 0.939 | 0.288 |
| -0.9 | 45.0 | 1.53 | 0.466 |
| -0.9 | 75.0 | 1.77 | 0.529 |
| -0.9 | 105.0 | 2.66 | 0.844 |
| -0.9 | 135.0 | 1.87 | 0.728 |
| -0.9 | 165.0 | 2.34 | 0.816 |
| -0.9 | 195.0 | 2.06 | 0.626 |
| -0.9 | 225.0 | 1.24 | 0.481 |
| -0.9 | 255.0 | 1.89 | 0.635 |
| -0.9 | 285.0 | 1.59 | 0.532 |
| -0.9 | 315.0 | 1.52 | 0.487 |
| -0.9 | 345.0 | 0.816 | 0.281 |
| -0.7 | 15.0 | 1.77 | 0.373 |
| -0.7 | 45.0 | 2.74 | 0.639 |
| -0.7 | 75.0 | 4.56 | 0.985 |
| -0.7 | 105.0 | 11.2 | 3.68 |
| -0.7 | 135.0 | 1.35 | 0.719 |
| -0.7 | 165.0 | 2.15 | 0.665 |
| -0.7 | 195.0 | 2.58 | 0.805 |
| -0.7 | 225.0 | 2.97 | 0.969 |
| -0.7 | 255.0 | 2.69 | 1.1 |
| -0.7 | 285.0 | 3.52 | 0.882 |
| -0.7 | 315.0 | 3.83 | 0.776 |
| -0.7 | 345.0 | 2.2 | 0.45 |
| -0.5 | 15.0 | 2.95 | 0.476 |
| -0.5 | 45.0 | 3.44 | 0.653 |
| -0.5 | 75.0 | 5.61 | 1.28 |
| -0.5 | 105.0 | 3.87 | 1.05 |
| -0.5 | 135.0 | 2.58 | 0.989 |
| -0.5 | 165.0 | 3.42 | 1.35 |
| -0.5 | 195.0 | 2.02 | 1.11 |
| -0.5 | 225.0 | 9.27 | 3.35 |
| -0.5 | 255.0 | 11.5 | 2.8 |
| -0.5 | 285.0 | 5.21 | 1.29 |
| -0.5 | 315.0 | 3.56 | 0.637 |
| -0.5 | 345.0 | 3.33 | 0.581 |
| -0.3 | 15.0 | 3.74 | 0.515 |
| -0.3 | 45.0 | 5.54 | 0.854 |
| -0.3 | 75.0 | 3.93 | 0.919 |
| -0.3 | 105.0 | 4.92 | 0.924 |
| -0.3 | 135.0 | 6.95 | 1.52 |
| -0.3 | 165.0 | 4.3 | 2.92 |
| -0.3 | 195.0 | 5.77 | 4.09 |
| -0.3 | 225.0 | 3.76 | 0.907 |
| -0.3 | 255.0 | 7.78 | 1.4 |
| -0.3 | 285.0 | 6.42 | 1.32 |
| -0.3 | 315.0 | 4.62 | 0.742 |
| -0.3 | 345.0 | 2.88 | 0.405 |
| -0.1 | 15.0 | 4.32 | 0.647 |
| -0.1 | 45.0 | 5.17 | 0.841 |
| -0.1 | 75.0 | 6.99 | 1.21 |
| -0.1 | 105.0 | 9.02 | 1.21 |
| -0.1 | 135.0 | 4.7 | 0.846 |
| -0.1 | 165.0 | 5.38 | 2.91 |
| -0.1 | 195.0 | 8.38 | 4.35 |
| -0.1 | 225.0 | 5.35 | 0.901 |
| -0.1 | 255.0 | 7.07 | 1.04 |
| -0.1 | 285.0 | 5.69 | 1.08 |
| -0.1 | 315.0 | 4.72 | 0.762 |
| -0.1 | 345.0 | 3.29 | 0.518 |
| 0.1 | 15.0 | 3.88 | 0.608 |
| 0.1 | 45.0 | 4.86 | 0.837 |
| 0.1 | 75.0 | 5.89 | 1.07 |
| 0.1 | 105.0 | 5.49 | 0.818 |
| 0.1 | 135.0 | 6.47 | 1.01 |
| 0.1 | 165.0 | 2.35 | 1.08 |
| 0.1 | 195.0 | 5.86 | 2.12 |
| 0.1 | 225.0 | 5.9 | 0.881 |
| 0.1 | 255.0 | 5.57 | 0.815 |
| 0.1 | 285.0 | 8.01 | 1.22 |
| 0.1 | 315.0 | 5.65 | 0.818 |
| 0.1 | 345.0 | 3.47 | 0.559 |
| 0.3 | 15.0 | 3.07 | 0.536 |
| 0.3 | 45.0 | 5.48 | 0.886 |
| 0.3 | 75.0 | 4.74 | 0.81 |
| 0.3 | 105.0 | 4.5 | 0.633 |
| 0.3 | 135.0 | 5.78 | 0.902 |
| 0.3 | 165.0 | 4.41 | 2.31 |
| 0.3 | 195.0 | 1.13 | 0.688 |
| 0.3 | 225.0 | 4.62 | 0.827 |
| 0.3 | 255.0 | 5.87 | 0.785 |
| 0.3 | 285.0 | 5.08 | 0.845 |
| 0.3 | 315.0 | 5.28 | 0.933 |
| 0.3 | 345.0 | 4.68 | 0.693 |
| 0.5 | 15.0 | 3.24 | 0.541 |
| 0.5 | 45.0 | 3.59 | 0.7 |
| 0.5 | 75.0 | 5.43 | 0.907 |
| 0.5 | 105.0 | 4.53 | 0.632 |
| 0.5 | 135.0 | 5.49 | 1.02 |
| 0.5 | 195.0 | 8.74 | 6.69 |
| 0.5 | 225.0 | 3.27 | 0.621 |
| 0.5 | 255.0 | 3.46 | 0.519 |
| 0.5 | 285.0 | 5.6 | 0.918 |
| 0.5 | 315.0 | 2.04 | 0.44 |
| 0.5 | 345.0 | 3.21 | 0.555 |
| 0.7 | 15.0 | 3.36 | 0.557 |
| 0.7 | 45.0 | 2.04 | 0.474 |
| 0.7 | 75.0 | 2.47 | 0.503 |
| 0.7 | 105.0 | 4.88 | 0.785 |
| 0.7 | 135.0 | 2.23 | 0.589 |
| 0.7 | 195.0 | 1.98 | 2.14 |
| 0.7 | 225.0 | 3.66 | 0.872 |
| 0.7 | 255.0 | 3.0 | 0.526 |
| 0.7 | 285.0 | 2.6 | 0.507 |
| 0.7 | 315.0 | 4.25 | 0.802 |
| 0.7 | 345.0 | 2.4 | 0.445 |
| 0.9 | 15.0 | 2.43 | 0.532 |
| 0.9 | 45.0 | 2.91 | 0.708 |
| 0.9 | 75.0 | 1.89 | 0.641 |
| 0.9 | 105.0 | 3.45 | 1.04 |
| 0.9 | 135.0 | 1.5 | 0.69 |
| 0.9 | 165.0 | 1.74 | 1.36 |
| 0.9 | 225.0 | 2.06 | 0.905 |
| 0.9 | 255.0 | 2.06 | 0.591 |
| 0.9 | 285.0 | 3.02 | 0.875 |
| 0.9 | 315.0 | 1.74 | 0.49 |
| 0.9 | 345.0 | 2.0 | 0.492 |
Experiment comment: