Measurement E9M231
| 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: | 0.8 — 1.0 GeV2 | |
| W: | 1.24 GeV | |
| ε: | 0.824 | |
| 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 | 4.01 | 0.685 |
| -0.9 | 45.0 | 4.45 | 0.697 |
| -0.9 | 75.0 | 5.38 | 0.876 |
| -0.9 | 105.0 | 4.56 | 0.753 |
| -0.9 | 135.0 | 6.05 | 0.998 |
| -0.9 | 165.0 | 2.99 | 0.582 |
| -0.9 | 195.0 | 2.7 | 0.598 |
| -0.9 | 225.0 | 4.59 | 0.759 |
| -0.9 | 255.0 | 6.5 | 1.02 |
| -0.9 | 285.0 | 3.65 | 0.57 |
| -0.9 | 315.0 | 5.56 | 0.859 |
| -0.9 | 345.0 | 3.95 | 0.701 |
| -0.7 | 15.0 | 5.38 | 0.695 |
| -0.7 | 45.0 | 5.45 | 0.701 |
| -0.7 | 75.0 | 8.06 | 0.927 |
| -0.7 | 105.0 | 7.23 | 0.914 |
| -0.7 | 135.0 | 5.95 | 0.82 |
| -0.7 | 165.0 | 3.23 | 0.554 |
| -0.7 | 195.0 | 3.07 | 0.533 |
| -0.7 | 225.0 | 5.92 | 0.805 |
| -0.7 | 255.0 | 7.71 | 0.997 |
| -0.7 | 285.0 | 5.79 | 0.731 |
| -0.7 | 315.0 | 7.75 | 0.939 |
| -0.7 | 345.0 | 4.77 | 0.597 |
| -0.5 | 15.0 | 5.79 | 0.679 |
| -0.5 | 45.0 | 9.86 | 1.03 |
| -0.5 | 75.0 | 10.5 | 1.07 |
| -0.5 | 105.0 | 13.8 | 1.6 |
| -0.5 | 135.0 | 5.47 | 0.815 |
| -0.5 | 165.0 | 3.47 | 0.524 |
| -0.5 | 195.0 | 3.35 | 0.491 |
| -0.5 | 225.0 | 7.08 | 0.921 |
| -0.5 | 255.0 | 9.29 | 1.12 |
| -0.5 | 285.0 | 9.54 | 1.01 |
| -0.5 | 315.0 | 8.14 | 0.855 |
| -0.5 | 345.0 | 6.78 | 0.823 |
| -0.3 | 15.0 | 4.47 | 0.563 |
| -0.3 | 45.0 | 11.8 | 1.18 |
| -0.3 | 75.0 | 12.8 | 1.32 |
| -0.3 | 105.0 | 11.1 | 1.32 |
| -0.3 | 135.0 | 10.1 | 1.27 |
| -0.3 | 165.0 | 6.85 | 0.867 |
| -0.3 | 195.0 | 3.78 | 0.527 |
| -0.3 | 225.0 | 5.97 | 0.826 |
| -0.3 | 255.0 | 13.2 | 1.43 |
| -0.3 | 285.0 | 10.1 | 1.05 |
| -0.3 | 315.0 | 9.36 | 0.912 |
| -0.3 | 345.0 | 5.27 | 0.615 |
| -0.1 | 15.0 | 7.01 | 0.759 |
| -0.1 | 45.0 | 9.5 | 0.961 |
| -0.1 | 75.0 | 14.0 | 1.45 |
| -0.1 | 105.0 | 11.9 | 1.41 |
| -0.1 | 135.0 | 8.42 | 1.18 |
| -0.1 | 165.0 | 6.7 | 0.803 |
| -0.1 | 195.0 | 5.48 | 0.704 |
| -0.1 | 225.0 | 8.83 | 1.14 |
| -0.1 | 255.0 | 8.62 | 1.14 |
| -0.1 | 285.0 | 10.5 | 1.13 |
| -0.1 | 315.0 | 7.55 | 0.725 |
| -0.1 | 345.0 | 6.76 | 0.769 |
| 0.1 | 15.0 | 6.13 | 0.708 |
| 0.1 | 45.0 | 10.1 | 1.0 |
| 0.1 | 75.0 | 14.4 | 1.49 |
| 0.1 | 105.0 | 15.0 | 1.82 |
| 0.1 | 135.0 | 10.6 | 1.47 |
| 0.1 | 165.0 | 5.47 | 0.666 |
| 0.1 | 195.0 | 5.14 | 0.639 |
| 0.1 | 225.0 | 10.5 | 1.35 |
| 0.1 | 255.0 | 10.4 | 1.31 |
| 0.1 | 285.0 | 15.1 | 1.52 |
| 0.1 | 315.0 | 8.66 | 0.884 |
| 0.1 | 345.0 | 5.69 | 0.66 |
| 0.3 | 15.0 | 5.91 | 0.69 |
| 0.3 | 45.0 | 7.75 | 0.809 |
| 0.3 | 75.0 | 13.5 | 1.52 |
| 0.3 | 105.0 | 11.9 | 1.63 |
| 0.3 | 135.0 | 10.6 | 1.46 |
| 0.3 | 165.0 | 7.81 | 0.92 |
| 0.3 | 195.0 | 6.31 | 0.818 |
| 0.3 | 225.0 | 9.99 | 1.36 |
| 0.3 | 255.0 | 13.5 | 1.79 |
| 0.3 | 285.0 | 13.0 | 1.43 |
| 0.3 | 315.0 | 10.4 | 1.05 |
| 0.3 | 345.0 | 6.55 | 0.758 |
| 0.5 | 15.0 | 4.06 | 0.519 |
| 0.5 | 45.0 | 6.09 | 0.703 |
| 0.5 | 75.0 | 10.6 | 1.23 |
| 0.5 | 105.0 | 12.2 | 1.62 |
| 0.5 | 135.0 | 10.4 | 1.54 |
| 0.5 | 165.0 | 7.87 | 0.974 |
| 0.5 | 195.0 | 6.22 | 0.793 |
| 0.5 | 225.0 | 7.82 | 1.17 |
| 0.5 | 255.0 | 8.87 | 1.21 |
| 0.5 | 285.0 | 10.2 | 1.14 |
| 0.5 | 315.0 | 7.81 | 0.827 |
| 0.5 | 345.0 | 4.86 | 0.619 |
| 0.7 | 15.0 | 4.86 | 0.69 |
| 0.7 | 45.0 | 6.04 | 0.734 |
| 0.7 | 75.0 | 7.72 | 0.993 |
| 0.7 | 105.0 | 6.5 | 0.967 |
| 0.7 | 135.0 | 9.58 | 1.34 |
| 0.7 | 165.0 | 6.87 | 0.869 |
| 0.7 | 195.0 | 6.43 | 0.788 |
| 0.7 | 225.0 | 9.84 | 1.31 |
| 0.7 | 255.0 | 9.64 | 1.32 |
| 0.7 | 285.0 | 9.78 | 1.14 |
| 0.7 | 315.0 | 5.97 | 0.722 |
| 0.7 | 345.0 | 3.19 | 0.498 |
| 0.9 | 15.0 | 4.12 | 0.693 |
| 0.9 | 45.0 | 3.74 | 0.549 |
| 0.9 | 75.0 | 6.23 | 0.89 |
| 0.9 | 105.0 | 7.57 | 1.08 |
| 0.9 | 135.0 | 5.26 | 0.814 |
| 0.9 | 165.0 | 5.56 | 0.837 |
| 0.9 | 195.0 | 6.6 | 1.01 |
| 0.9 | 225.0 | 4.09 | 0.713 |
| 0.9 | 255.0 | 7.44 | 1.08 |
| 0.9 | 285.0 | 7.0 | 1.0 |
| 0.9 | 315.0 | 4.46 | 0.701 |
| 0.9 | 345.0 | 4.67 | 0.75 |
Experiment comment: