Measurement E9M140
| 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: | 1.28 GeV | |
| ε: | 0.632 | |
| 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 | 2.45 | 0.879 |
| -0.9 | 45.0 | 2.38 | 0.822 |
| -0.9 | 75.0 | 5.7 | 2.04 |
| -0.9 | 105.0 | 1.74 | 0.683 |
| -0.9 | 135.0 | 3.97 | 1.62 |
| -0.9 | 165.0 | 1.31 | 0.521 |
| -0.9 | 195.0 | 4.11 | 1.3 |
| -0.9 | 225.0 | 1.6 | 0.794 |
| -0.9 | 255.0 | 1.72 | 0.676 |
| -0.9 | 285.0 | 2.5 | 0.886 |
| -0.9 | 315.0 | 1.72 | 0.637 |
| -0.9 | 345.0 | 3.28 | 1.12 |
| -0.7 | 15.0 | 1.94 | 0.627 |
| -0.7 | 45.0 | 2.56 | 0.837 |
| -0.7 | 75.0 | 5.13 | 1.43 |
| -0.7 | 105.0 | 11.4 | 3.26 |
| -0.7 | 135.0 | 2.22 | 0.861 |
| -0.7 | 165.0 | 3.92 | 1.22 |
| -0.7 | 195.0 | 2.82 | 0.993 |
| -0.7 | 225.0 | 3.37 | 1.48 |
| -0.7 | 255.0 | 4.78 | 1.55 |
| -0.7 | 285.0 | 7.0 | 1.85 |
| -0.7 | 315.0 | 4.07 | 1.03 |
| -0.7 | 345.0 | 4.45 | 1.02 |
| -0.5 | 15.0 | 3.06 | 0.741 |
| -0.5 | 45.0 | 7.2 | 1.79 |
| -0.5 | 75.0 | 8.46 | 2.01 |
| -0.5 | 105.0 | 10.7 | 3.21 |
| -0.5 | 135.0 | 5.47 | 1.74 |
| -0.5 | 165.0 | 1.5 | 0.58 |
| -0.5 | 195.0 | 2.76 | 0.987 |
| -0.5 | 225.0 | 4.28 | 1.29 |
| -0.5 | 255.0 | 4.11 | 1.24 |
| -0.5 | 285.0 | 6.49 | 1.51 |
| -0.5 | 315.0 | 5.12 | 1.2 |
| -0.5 | 345.0 | 4.4 | 1.03 |
| -0.3 | 15.0 | 2.99 | 0.668 |
| -0.3 | 45.0 | 6.15 | 1.46 |
| -0.3 | 75.0 | 7.36 | 1.53 |
| -0.3 | 105.0 | 10.1 | 2.25 |
| -0.3 | 135.0 | 5.2 | 1.85 |
| -0.3 | 165.0 | 2.07 | 0.751 |
| -0.3 | 195.0 | 8.01 | 2.1 |
| -0.3 | 225.0 | 3.73 | 1.24 |
| -0.3 | 255.0 | 9.43 | 2.31 |
| -0.3 | 285.0 | 5.87 | 1.31 |
| -0.3 | 315.0 | 7.98 | 1.74 |
| -0.3 | 345.0 | 5.08 | 1.05 |
| -0.1 | 15.0 | 4.47 | 0.902 |
| -0.1 | 45.0 | 6.04 | 1.37 |
| -0.1 | 75.0 | 8.29 | 1.66 |
| -0.1 | 105.0 | 4.6 | 1.13 |
| -0.1 | 135.0 | 7.03 | 2.42 |
| -0.1 | 165.0 | 0.853 | 0.621 |
| -0.1 | 195.0 | 3.61 | 1.27 |
| -0.1 | 225.0 | 14.2 | 4.28 |
| -0.1 | 255.0 | 7.9 | 1.83 |
| -0.1 | 285.0 | 7.41 | 1.45 |
| -0.1 | 315.0 | 5.01 | 1.11 |
| -0.1 | 345.0 | 6.05 | 1.21 |
| 0.1 | 15.0 | 7.32 | 1.45 |
| 0.1 | 45.0 | 6.96 | 1.49 |
| 0.1 | 75.0 | 9.48 | 1.93 |
| 0.1 | 105.0 | 9.39 | 2.28 |
| 0.1 | 135.0 | 7.93 | 2.13 |
| 0.1 | 165.0 | 4.41 | 1.88 |
| 0.1 | 195.0 | 5.9 | 1.95 |
| 0.1 | 225.0 | 10.9 | 2.68 |
| 0.1 | 255.0 | 7.06 | 1.69 |
| 0.1 | 285.0 | 11.8 | 2.09 |
| 0.1 | 315.0 | 8.16 | 1.67 |
| 0.1 | 345.0 | 5.33 | 0.95 |
| 0.3 | 15.0 | 8.16 | 1.59 |
| 0.3 | 45.0 | 6.68 | 1.66 |
| 0.3 | 75.0 | 10.8 | 2.24 |
| 0.3 | 105.0 | 6.97 | 1.69 |
| 0.3 | 135.0 | 4.14 | 1.45 |
| 0.3 | 165.0 | 8.2 | 3.97 |
| 0.3 | 195.0 | 8.06 | 3.28 |
| 0.3 | 225.0 | 10.6 | 2.75 |
| 0.3 | 255.0 | 7.68 | 1.81 |
| 0.3 | 285.0 | 8.44 | 1.82 |
| 0.3 | 315.0 | 8.03 | 1.73 |
| 0.3 | 345.0 | 7.66 | 1.51 |
| 0.5 | 15.0 | 4.09 | 0.948 |
| 0.5 | 45.0 | 3.7 | 0.911 |
| 0.5 | 75.0 | 5.45 | 1.4 |
| 0.5 | 105.0 | 4.63 | 1.28 |
| 0.5 | 135.0 | 15.8 | 4.26 |
| 0.5 | 165.0 | 4.46 | 2.59 |
| 0.5 | 195.0 | 5.09 | 2.16 |
| 0.5 | 225.0 | 2.56 | 1.24 |
| 0.5 | 255.0 | 10.5 | 2.65 |
| 0.5 | 285.0 | 5.24 | 1.39 |
| 0.5 | 315.0 | 7.41 | 1.67 |
| 0.5 | 345.0 | 5.86 | 1.22 |
| 0.7 | 15.0 | 1.89 | 0.65 |
| 0.7 | 45.0 | 3.44 | 0.922 |
| 0.7 | 75.0 | 5.76 | 1.52 |
| 0.7 | 105.0 | 5.86 | 1.61 |
| 0.7 | 135.0 | 2.99 | 1.28 |
| 0.7 | 165.0 | 2.66 | 1.15 |
| 0.7 | 195.0 | 7.07 | 2.76 |
| 0.7 | 225.0 | 0.967 | 0.579 |
| 0.7 | 255.0 | 4.71 | 1.34 |
| 0.7 | 285.0 | 4.19 | 1.26 |
| 0.7 | 315.0 | 5.29 | 1.58 |
| 0.7 | 345.0 | 3.27 | 0.828 |
| 0.9 | 15.0 | 2.87 | 0.995 |
| 0.9 | 45.0 | 1.92 | 0.76 |
| 0.9 | 75.0 | 6.61 | 2.01 |
| 0.9 | 105.0 | 6.81 | 2.96 |
| 0.9 | 135.0 | 1.9 | 0.952 |
| 0.9 | 165.0 | 3.95 | 1.61 |
| 0.9 | 195.0 | 2.82 | 1.4 |
| 0.9 | 225.0 | 2.36 | 1.03 |
| 0.9 | 255.0 | 3.42 | 1.21 |
| 0.9 | 285.0 | 6.71 | 2.56 |
| 0.9 | 315.0 | 3.15 | 1.06 |
| 0.9 | 345.0 | 2.79 | 0.854 |
Experiment comment: