Measurement E9M143
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.34 GeV | |
| ε: | 0.579 | |
| 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 | 45.0 | 0.605 | 0.339 |
| -0.9 | 75.0 | 1.18 | 0.62 |
| -0.9 | 105.0 | 0.994 | 0.567 |
| -0.9 | 135.0 | 0.486 | 0.372 |
| -0.9 | 165.0 | 0.858 | 0.657 |
| -0.9 | 195.0 | 3.72 | 2.12 |
| -0.9 | 225.0 | 0.475 | 0.307 |
| -0.9 | 255.0 | 5.34 | 3.09 |
| -0.9 | 285.0 | 1.32 | 0.656 |
| -0.9 | 315.0 | 0.734 | 0.462 |
| -0.9 | 345.0 | 0.84 | 0.432 |
| -0.7 | 15.0 | 1.61 | 0.498 |
| -0.7 | 45.0 | 2.27 | 0.751 |
| -0.7 | 75.0 | 3.64 | 1.41 |
| -0.7 | 105.0 | 2.8 | 1.32 |
| -0.7 | 135.0 | 2.47 | 1.39 |
| -0.7 | 165.0 | 1.01 | 0.657 |
| -0.7 | 195.0 | 2.99 | 1.44 |
| -0.7 | 225.0 | 1.46 | 0.938 |
| -0.7 | 255.0 | 2.53 | 1.22 |
| -0.7 | 285.0 | 2.46 | 0.889 |
| -0.7 | 315.0 | 2.11 | 0.713 |
| -0.7 | 345.0 | 1.73 | 0.551 |
| -0.5 | 15.0 | 2.17 | 0.862 |
| -0.5 | 45.0 | 1.88 | 0.69 |
| -0.5 | 75.0 | 2.63 | 0.85 |
| -0.5 | 105.0 | 2.44 | 0.946 |
| -0.5 | 135.0 | 1.62 | 0.733 |
| -0.5 | 165.0 | 3.11 | 1.65 |
| -0.5 | 195.0 | 1.2 | 0.752 |
| -0.5 | 225.0 | 5.46 | 2.98 |
| -0.5 | 255.0 | 2.22 | 0.93 |
| -0.5 | 285.0 | 3.18 | 0.991 |
| -0.5 | 315.0 | 2.53 | 0.773 |
| -0.5 | 345.0 | 4.35 | 1.49 |
| -0.3 | 15.0 | 2.82 | 0.785 |
| -0.3 | 45.0 | 2.65 | 0.825 |
| -0.3 | 75.0 | 3.66 | 1.05 |
| -0.3 | 105.0 | 4.59 | 1.52 |
| -0.3 | 135.0 | 0.706 | 0.518 |
| -0.3 | 165.0 | 2.78 | 1.93 |
| -0.3 | 225.0 | 1.52 | 0.817 |
| -0.3 | 255.0 | 4.54 | 1.43 |
| -0.3 | 285.0 | 5.17 | 1.37 |
| -0.3 | 315.0 | 3.28 | 0.919 |
| -0.3 | 345.0 | 2.27 | 0.793 |
| -0.1 | 15.0 | 2.1 | 0.647 |
| -0.1 | 45.0 | 3.82 | 1.0 |
| -0.1 | 75.0 | 4.08 | 1.14 |
| -0.1 | 105.0 | 3.47 | 0.97 |
| -0.1 | 135.0 | 1.85 | 0.902 |
| -0.1 | 165.0 | 7.14 | 7.18 |
| -0.1 | 195.0 | 1.06 | 1.15 |
| -0.1 | 225.0 | 5.18 | 1.83 |
| -0.1 | 255.0 | 2.37 | 0.755 |
| -0.1 | 285.0 | 3.09 | 0.816 |
| -0.1 | 315.0 | 4.46 | 1.28 |
| -0.1 | 345.0 | 4.4 | 1.09 |
| 0.1 | 15.0 | 4.21 | 1.15 |
| 0.1 | 45.0 | 2.21 | 0.598 |
| 0.1 | 75.0 | 4.2 | 1.18 |
| 0.1 | 105.0 | 3.23 | 0.855 |
| 0.1 | 135.0 | 2.88 | 1.08 |
| 0.1 | 195.0 | 1.9 | 2.06 |
| 0.1 | 225.0 | 6.03 | 2.17 |
| 0.1 | 255.0 | 7.5 | 1.79 |
| 0.1 | 285.0 | 4.17 | 1.12 |
| 0.1 | 315.0 | 3.53 | 1.02 |
| 0.1 | 345.0 | 1.9 | 0.696 |
| 0.3 | 15.0 | 2.42 | 0.712 |
| 0.3 | 45.0 | 2.2 | 0.627 |
| 0.3 | 75.0 | 2.0 | 0.665 |
| 0.3 | 105.0 | 3.48 | 1.03 |
| 0.3 | 135.0 | 3.26 | 1.1 |
| 0.3 | 165.0 | 6.49 | 6.53 |
| 0.3 | 195.0 | 8.36 | 8.42 |
| 0.3 | 225.0 | 3.06 | 0.991 |
| 0.3 | 255.0 | 5.4 | 1.53 |
| 0.3 | 285.0 | 6.17 | 1.63 |
| 0.3 | 315.0 | 1.77 | 0.585 |
| 0.3 | 345.0 | 3.49 | 0.983 |
| 0.5 | 15.0 | 5.65 | 1.69 |
| 0.5 | 45.0 | 3.22 | 0.892 |
| 0.5 | 75.0 | 1.87 | 0.577 |
| 0.5 | 105.0 | 2.95 | 0.882 |
| 0.5 | 135.0 | 2.8 | 1.1 |
| 0.5 | 225.0 | 2.33 | 0.963 |
| 0.5 | 255.0 | 3.66 | 1.04 |
| 0.5 | 285.0 | 2.38 | 0.856 |
| 0.5 | 315.0 | 1.79 | 0.583 |
| 0.5 | 345.0 | 3.15 | 0.887 |
| 0.7 | 15.0 | 1.86 | 0.72 |
| 0.7 | 45.0 | 0.881 | 0.366 |
| 0.7 | 75.0 | 1.97 | 0.751 |
| 0.7 | 105.0 | 1.03 | 0.644 |
| 0.7 | 135.0 | 1.6 | 0.663 |
| 0.7 | 165.0 | 0.883 | 0.995 |
| 0.7 | 195.0 | 5.21 | 4.28 |
| 0.7 | 225.0 | 2.08 | 0.938 |
| 0.7 | 255.0 | 2.04 | 0.918 |
| 0.7 | 285.0 | 1.56 | 0.726 |
| 0.7 | 315.0 | 0.503 | 0.271 |
| 0.7 | 345.0 | 4.73 | 1.49 |
| 0.9 | 15.0 | 2.64 | 1.53 |
| 0.9 | 45.0 | 1.5 | 0.728 |
| 0.9 | 75.0 | 1.44 | 0.733 |
| 0.9 | 105.0 | 0.734 | 0.622 |
| 0.9 | 135.0 | 10.4 | 6.75 |
| 0.9 | 165.0 | 3.94 | 5.62 |
| 0.9 | 195.0 | 7.7 | 6.54 |
| 0.9 | 225.0 | 0.564 | 0.607 |
| 0.9 | 255.0 | 0.839 | 0.457 |
| 0.9 | 285.0 | 2.29 | 1.17 |
| 0.9 | 315.0 | 1.42 | 0.784 |
| 0.9 | 345.0 | 0.611 | 0.283 |
Experiment comment: