Measurement E9M65
| 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: | 1.2 GeV | |
| ε: | 0.592 | |
| 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 | 0.839 | 0.449 |
| -0.9 | 45.0 | 1.6 | 0.595 |
| -0.9 | 75.0 | 1.71 | 0.647 |
| -0.9 | 105.0 | 1.14 | 0.562 |
| -0.9 | 135.0 | 2.38 | 0.945 |
| -0.9 | 165.0 | 0.77 | 0.289 |
| -0.9 | 195.0 | 1.87 | 0.742 |
| -0.9 | 225.0 | 1.43 | 0.707 |
| -0.9 | 255.0 | 1.15 | 0.456 |
| -0.9 | 285.0 | 1.35 | 0.647 |
| -0.9 | 315.0 | 0.462 | 0.254 |
| -0.9 | 345.0 | 1.17 | 0.413 |
| -0.7 | 15.0 | 1.02 | 0.437 |
| -0.7 | 45.0 | 1.93 | 0.681 |
| -0.7 | 75.0 | 1.17 | 0.574 |
| -0.7 | 105.0 | 3.42 | 1.18 |
| -0.7 | 135.0 | 1.14 | 0.537 |
| -0.7 | 165.0 | 1.53 | 0.67 |
| -0.7 | 195.0 | 0.234 | 0.172 |
| -0.7 | 225.0 | 1.13 | 0.423 |
| -0.7 | 255.0 | 1.55 | 0.657 |
| -0.7 | 285.0 | 1.13 | 0.454 |
| -0.7 | 315.0 | 1.52 | 0.462 |
| -0.7 | 345.0 | 1.74 | 0.647 |
| -0.5 | 15.0 | 2.27 | 0.692 |
| -0.5 | 45.0 | 1.86 | 0.619 |
| -0.5 | 75.0 | 2.33 | 0.752 |
| -0.5 | 105.0 | 1.52 | 0.545 |
| -0.5 | 135.0 | 3.05 | 1.04 |
| -0.5 | 165.0 | 1.31 | 0.432 |
| -0.5 | 195.0 | 1.37 | 0.439 |
| -0.5 | 225.0 | 3.01 | 0.886 |
| -0.5 | 255.0 | 2.18 | 0.768 |
| -0.5 | 285.0 | 2.68 | 0.787 |
| -0.5 | 315.0 | 3.03 | 1.05 |
| -0.5 | 345.0 | 2.24 | 0.696 |
| -0.3 | 15.0 | 2.48 | 0.739 |
| -0.3 | 45.0 | 2.34 | 0.745 |
| -0.3 | 75.0 | 2.27 | 0.623 |
| -0.3 | 105.0 | 2.97 | 0.812 |
| -0.3 | 135.0 | 1.66 | 0.486 |
| -0.3 | 165.0 | 1.97 | 0.659 |
| -0.3 | 195.0 | 1.52 | 0.484 |
| -0.3 | 225.0 | 1.95 | 0.596 |
| -0.3 | 255.0 | 3.55 | 1.11 |
| -0.3 | 285.0 | 3.6 | 1.08 |
| -0.3 | 315.0 | 2.15 | 0.648 |
| -0.3 | 345.0 | 1.89 | 0.621 |
| -0.1 | 15.0 | 2.03 | 0.59 |
| -0.1 | 45.0 | 1.62 | 0.497 |
| -0.1 | 75.0 | 3.38 | 1.12 |
| -0.1 | 105.0 | 1.5 | 0.498 |
| -0.1 | 135.0 | 2.7 | 0.807 |
| -0.1 | 165.0 | 2.54 | 0.696 |
| -0.1 | 195.0 | 4.4 | 1.16 |
| -0.1 | 225.0 | 3.36 | 1.04 |
| -0.1 | 255.0 | 3.22 | 1.06 |
| -0.1 | 285.0 | 1.53 | 0.494 |
| -0.1 | 315.0 | 1.4 | 0.424 |
| -0.1 | 345.0 | 2.05 | 0.608 |
| 0.1 | 15.0 | 1.77 | 0.584 |
| 0.1 | 45.0 | 1.82 | 0.625 |
| 0.1 | 75.0 | 2.32 | 0.647 |
| 0.1 | 105.0 | 2.21 | 0.706 |
| 0.1 | 135.0 | 2.5 | 0.786 |
| 0.1 | 165.0 | 3.93 | 1.14 |
| 0.1 | 195.0 | 2.53 | 0.797 |
| 0.1 | 225.0 | 5.04 | 1.6 |
| 0.1 | 255.0 | 2.26 | 0.812 |
| 0.1 | 285.0 | 2.97 | 0.941 |
| 0.1 | 315.0 | 2.53 | 0.686 |
| 0.1 | 345.0 | 0.994 | 0.388 |
| 0.3 | 15.0 | 2.39 | 0.727 |
| 0.3 | 45.0 | 2.74 | 0.855 |
| 0.3 | 75.0 | 4.22 | 1.35 |
| 0.3 | 105.0 | 3.31 | 0.986 |
| 0.3 | 135.0 | 1.98 | 0.736 |
| 0.3 | 165.0 | 3.25 | 0.92 |
| 0.3 | 195.0 | 1.45 | 0.499 |
| 0.3 | 225.0 | 3.52 | 1.02 |
| 0.3 | 255.0 | 2.85 | 0.963 |
| 0.3 | 285.0 | 1.59 | 0.563 |
| 0.3 | 315.0 | 1.65 | 0.543 |
| 0.3 | 345.0 | 5.66 | 1.68 |
| 0.5 | 15.0 | 2.22 | 0.755 |
| 0.5 | 45.0 | 1.01 | 0.488 |
| 0.5 | 75.0 | 3.15 | 0.969 |
| 0.5 | 105.0 | 2.77 | 0.873 |
| 0.5 | 135.0 | 1.48 | 0.535 |
| 0.5 | 165.0 | 3.72 | 0.98 |
| 0.5 | 195.0 | 2.71 | 0.795 |
| 0.5 | 225.0 | 4.51 | 1.45 |
| 0.5 | 255.0 | 3.25 | 1.23 |
| 0.5 | 285.0 | 3.41 | 1.03 |
| 0.5 | 315.0 | 1.91 | 0.581 |
| 0.5 | 345.0 | 2.78 | 0.858 |
| 0.7 | 15.0 | 1.2 | 0.48 |
| 0.7 | 45.0 | 2.48 | 0.745 |
| 0.7 | 75.0 | 1.8 | 0.642 |
| 0.7 | 105.0 | 2.4 | 0.772 |
| 0.7 | 135.0 | 5.79 | 1.66 |
| 0.7 | 165.0 | 3.48 | 1.05 |
| 0.7 | 195.0 | 3.66 | 1.1 |
| 0.7 | 225.0 | 2.2 | 0.802 |
| 0.7 | 255.0 | 2.22 | 0.955 |
| 0.7 | 285.0 | 2.06 | 0.791 |
| 0.7 | 315.0 | 1.49 | 0.534 |
| 0.7 | 345.0 | 2.12 | 0.78 |
| 0.9 | 15.0 | 0.989 | 0.487 |
| 0.9 | 45.0 | 1.42 | 0.613 |
| 0.9 | 75.0 | 2.36 | 0.888 |
| 0.9 | 105.0 | 1.43 | 0.603 |
| 0.9 | 135.0 | 1.44 | 0.609 |
| 0.9 | 165.0 | 2.12 | 0.796 |
| 0.9 | 195.0 | 2.01 | 0.85 |
| 0.9 | 225.0 | 3.46 | 1.22 |
| 0.9 | 255.0 | 3.74 | 1.24 |
| 0.9 | 285.0 | 1.59 | 0.571 |
| 0.9 | 315.0 | 4.82 | 1.93 |
| 0.9 | 345.0 | 1.06 | 0.828 |
Experiment comment: