Measurement E9M227
| 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: | 1.16 GeV | |
| ε: | 0.848 | |
| 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 | 1.36 | 0.458 |
| -0.9 | 45.0 | 3.09 | 0.792 |
| -0.9 | 75.0 | 2.03 | 0.662 |
| -0.9 | 105.0 | 2.18 | 0.536 |
| -0.9 | 135.0 | 3.2 | 0.9 |
| -0.9 | 165.0 | 1.67 | 0.457 |
| -0.9 | 195.0 | 2.7 | 0.693 |
| -0.9 | 225.0 | 1.14 | 0.416 |
| -0.9 | 255.0 | 1.96 | 0.493 |
| -0.9 | 285.0 | 1.13 | 0.344 |
| -0.9 | 315.0 | 4.56 | 1.11 |
| -0.9 | 345.0 | 1.91 | 0.55 |
| -0.7 | 15.0 | 2.43 | 0.593 |
| -0.7 | 45.0 | 2.41 | 0.572 |
| -0.7 | 75.0 | 2.56 | 0.577 |
| -0.7 | 105.0 | 2.74 | 0.619 |
| -0.7 | 135.0 | 2.42 | 0.54 |
| -0.7 | 165.0 | 3.27 | 0.768 |
| -0.7 | 195.0 | 3.3 | 0.736 |
| -0.7 | 225.0 | 2.33 | 0.572 |
| -0.7 | 255.0 | 3.07 | 0.694 |
| -0.7 | 285.0 | 4.73 | 0.952 |
| -0.7 | 315.0 | 2.53 | 0.591 |
| -0.7 | 345.0 | 1.99 | 0.435 |
| -0.5 | 15.0 | 2.93 | 0.641 |
| -0.5 | 45.0 | 2.8 | 0.621 |
| -0.5 | 75.0 | 4.03 | 0.858 |
| -0.5 | 105.0 | 3.58 | 0.651 |
| -0.5 | 135.0 | 2.58 | 0.521 |
| -0.5 | 165.0 | 3.73 | 0.778 |
| -0.5 | 195.0 | 3.76 | 0.746 |
| -0.5 | 225.0 | 3.69 | 0.775 |
| -0.5 | 255.0 | 2.53 | 0.535 |
| -0.5 | 285.0 | 4.32 | 0.778 |
| -0.5 | 315.0 | 4.15 | 0.867 |
| -0.5 | 345.0 | 1.59 | 0.415 |
| -0.3 | 15.0 | 3.67 | 0.866 |
| -0.3 | 45.0 | 4.37 | 0.827 |
| -0.3 | 75.0 | 2.46 | 0.562 |
| -0.3 | 105.0 | 6.02 | 1.07 |
| -0.3 | 135.0 | 2.52 | 0.571 |
| -0.3 | 165.0 | 4.41 | 0.749 |
| -0.3 | 195.0 | 5.33 | 0.916 |
| -0.3 | 225.0 | 2.74 | 0.524 |
| -0.3 | 255.0 | 6.25 | 1.18 |
| -0.3 | 285.0 | 3.68 | 0.641 |
| -0.3 | 315.0 | 3.71 | 0.784 |
| -0.3 | 345.0 | 3.35 | 0.745 |
| -0.1 | 15.0 | 2.65 | 0.546 |
| -0.1 | 45.0 | 3.12 | 0.643 |
| -0.1 | 75.0 | 4.15 | 0.752 |
| -0.1 | 105.0 | 5.43 | 0.932 |
| -0.1 | 135.0 | 6.9 | 1.3 |
| -0.1 | 165.0 | 3.67 | 0.654 |
| -0.1 | 195.0 | 6.34 | 1.04 |
| -0.1 | 225.0 | 5.27 | 0.909 |
| -0.1 | 255.0 | 4.46 | 0.784 |
| -0.1 | 285.0 | 3.78 | 0.738 |
| -0.1 | 315.0 | 3.82 | 0.731 |
| -0.1 | 345.0 | 3.38 | 0.672 |
| 0.1 | 15.0 | 2.37 | 0.493 |
| 0.1 | 45.0 | 4.22 | 0.817 |
| 0.1 | 75.0 | 3.31 | 0.616 |
| 0.1 | 105.0 | 5.17 | 1.04 |
| 0.1 | 135.0 | 4.76 | 0.865 |
| 0.1 | 165.0 | 6.76 | 1.09 |
| 0.1 | 195.0 | 5.2 | 0.886 |
| 0.1 | 225.0 | 5.34 | 0.945 |
| 0.1 | 255.0 | 5.5 | 0.988 |
| 0.1 | 285.0 | 4.65 | 0.857 |
| 0.1 | 315.0 | 2.9 | 0.534 |
| 0.1 | 345.0 | 2.14 | 0.462 |
| 0.3 | 15.0 | 3.05 | 0.691 |
| 0.3 | 45.0 | 3.32 | 0.643 |
| 0.3 | 75.0 | 3.69 | 0.646 |
| 0.3 | 105.0 | 4.19 | 0.855 |
| 0.3 | 135.0 | 5.46 | 0.934 |
| 0.3 | 165.0 | 8.04 | 1.27 |
| 0.3 | 195.0 | 7.3 | 1.1 |
| 0.3 | 225.0 | 5.22 | 0.934 |
| 0.3 | 255.0 | 4.86 | 0.882 |
| 0.3 | 285.0 | 3.42 | 0.63 |
| 0.3 | 315.0 | 3.36 | 0.645 |
| 0.3 | 345.0 | 3.13 | 0.641 |
| 0.5 | 15.0 | 2.93 | 0.637 |
| 0.5 | 45.0 | 2.71 | 0.542 |
| 0.5 | 75.0 | 3.45 | 0.671 |
| 0.5 | 105.0 | 4.19 | 0.753 |
| 0.5 | 135.0 | 6.75 | 1.05 |
| 0.5 | 165.0 | 7.26 | 1.08 |
| 0.5 | 195.0 | 6.23 | 1.0 |
| 0.5 | 225.0 | 5.14 | 0.935 |
| 0.5 | 255.0 | 4.43 | 0.817 |
| 0.5 | 285.0 | 4.16 | 0.81 |
| 0.5 | 315.0 | 4.38 | 0.801 |
| 0.5 | 345.0 | 2.98 | 0.636 |
| 0.7 | 15.0 | 4.25 | 0.898 |
| 0.7 | 45.0 | 2.58 | 0.518 |
| 0.7 | 75.0 | 3.5 | 0.646 |
| 0.7 | 105.0 | 7.7 | 1.36 |
| 0.7 | 135.0 | 4.21 | 0.785 |
| 0.7 | 165.0 | 8.19 | 1.33 |
| 0.7 | 195.0 | 8.05 | 1.3 |
| 0.7 | 225.0 | 5.9 | 1.0 |
| 0.7 | 255.0 | 6.66 | 1.15 |
| 0.7 | 285.0 | 3.75 | 0.661 |
| 0.7 | 315.0 | 3.91 | 0.755 |
| 0.7 | 345.0 | 3.25 | 0.666 |
| 0.9 | 15.0 | 4.15 | 1.02 |
| 0.9 | 45.0 | 2.89 | 0.782 |
| 0.9 | 75.0 | 4.71 | 0.986 |
| 0.9 | 105.0 | 4.61 | 1.0 |
| 0.9 | 135.0 | 5.5 | 1.06 |
| 0.9 | 165.0 | 5.77 | 0.991 |
| 0.9 | 195.0 | 6.51 | 1.22 |
| 0.9 | 225.0 | 3.7 | 0.653 |
| 0.9 | 255.0 | 5.65 | 1.06 |
| 0.9 | 285.0 | 10.1 | 2.08 |
| 0.9 | 315.0 | 2.74 | 0.593 |
| 0.9 | 345.0 | 3.19 | 0.747 |
Experiment comment: