Measurement E9M89
| 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: | 0.45 — 0.6 GeV2 | |
| W: | 1.3 GeV | |
| ε: | 0.732 | |
| 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 | 1.81 | 0.418 |
| -0.9 | 45.0 | 1.96 | 0.412 |
| -0.9 | 75.0 | 2.92 | 0.701 |
| -0.9 | 105.0 | 2.11 | 0.58 |
| -0.9 | 135.0 | 2.44 | 0.648 |
| -0.9 | 165.0 | 1.65 | 0.48 |
| -0.9 | 195.0 | 2.12 | 0.566 |
| -0.9 | 225.0 | 2.61 | 0.591 |
| -0.9 | 255.0 | 5.18 | 1.21 |
| -0.9 | 285.0 | 3.35 | 0.77 |
| -0.9 | 315.0 | 2.01 | 0.456 |
| -0.9 | 345.0 | 2.36 | 0.527 |
| -0.7 | 15.0 | 3.08 | 0.488 |
| -0.7 | 45.0 | 6.15 | 0.939 |
| -0.7 | 75.0 | 4.03 | 0.761 |
| -0.7 | 105.0 | 3.69 | 0.741 |
| -0.7 | 135.0 | 3.24 | 0.757 |
| -0.7 | 165.0 | 2.43 | 0.582 |
| -0.7 | 195.0 | 1.69 | 0.392 |
| -0.7 | 225.0 | 2.63 | 0.559 |
| -0.7 | 255.0 | 5.97 | 1.07 |
| -0.7 | 285.0 | 7.18 | 1.1 |
| -0.7 | 315.0 | 5.0 | 0.718 |
| -0.7 | 345.0 | 3.68 | 0.568 |
| -0.5 | 15.0 | 3.24 | 0.465 |
| -0.5 | 45.0 | 6.5 | 0.833 |
| -0.5 | 75.0 | 6.37 | 1.02 |
| -0.5 | 105.0 | 8.23 | 1.41 |
| -0.5 | 135.0 | 4.74 | 1.16 |
| -0.5 | 165.0 | 3.53 | 0.783 |
| -0.5 | 195.0 | 5.65 | 1.14 |
| -0.5 | 225.0 | 2.6 | 0.832 |
| -0.5 | 255.0 | 8.04 | 1.39 |
| -0.5 | 285.0 | 8.33 | 1.31 |
| -0.5 | 315.0 | 6.58 | 0.87 |
| -0.5 | 345.0 | 4.25 | 0.575 |
| -0.3 | 15.0 | 4.49 | 0.575 |
| -0.3 | 45.0 | 5.51 | 0.709 |
| -0.3 | 75.0 | 11.0 | 1.54 |
| -0.3 | 105.0 | 10.3 | 1.58 |
| -0.3 | 135.0 | 6.82 | 1.56 |
| -0.3 | 165.0 | 4.91 | 1.25 |
| -0.3 | 195.0 | 2.94 | 0.778 |
| -0.3 | 225.0 | 4.02 | 1.12 |
| -0.3 | 255.0 | 6.12 | 1.09 |
| -0.3 | 285.0 | 8.67 | 1.18 |
| -0.3 | 315.0 | 6.41 | 0.805 |
| -0.3 | 345.0 | 3.84 | 0.501 |
| -0.1 | 15.0 | 5.51 | 0.69 |
| -0.1 | 45.0 | 7.66 | 0.949 |
| -0.1 | 75.0 | 7.49 | 1.1 |
| -0.1 | 105.0 | 11.4 | 1.59 |
| -0.1 | 135.0 | 7.64 | 1.38 |
| -0.1 | 165.0 | 2.78 | 1.02 |
| -0.1 | 195.0 | 4.89 | 1.37 |
| -0.1 | 225.0 | 9.18 | 1.54 |
| -0.1 | 255.0 | 10.2 | 1.52 |
| -0.1 | 285.0 | 9.18 | 1.32 |
| -0.1 | 315.0 | 7.73 | 0.91 |
| -0.1 | 345.0 | 4.81 | 0.593 |
| 0.1 | 15.0 | 4.41 | 0.576 |
| 0.1 | 45.0 | 6.74 | 0.842 |
| 0.1 | 75.0 | 11.4 | 1.5 |
| 0.1 | 105.0 | 10.4 | 1.4 |
| 0.1 | 135.0 | 7.83 | 1.31 |
| 0.1 | 165.0 | 6.91 | 2.56 |
| 0.1 | 195.0 | 8.7 | 4.36 |
| 0.1 | 225.0 | 8.07 | 1.42 |
| 0.1 | 255.0 | 11.9 | 1.46 |
| 0.1 | 285.0 | 9.75 | 1.22 |
| 0.1 | 315.0 | 6.13 | 0.839 |
| 0.1 | 345.0 | 4.77 | 0.628 |
| 0.3 | 15.0 | 4.17 | 0.599 |
| 0.3 | 45.0 | 6.42 | 0.816 |
| 0.3 | 75.0 | 8.2 | 1.1 |
| 0.3 | 105.0 | 7.96 | 1.07 |
| 0.3 | 135.0 | 7.48 | 1.13 |
| 0.3 | 165.0 | 3.76 | 1.58 |
| 0.3 | 195.0 | 2.6 | 1.41 |
| 0.3 | 225.0 | 10.5 | 1.56 |
| 0.3 | 255.0 | 14.0 | 1.71 |
| 0.3 | 285.0 | 8.51 | 1.07 |
| 0.3 | 315.0 | 3.93 | 0.599 |
| 0.3 | 345.0 | 5.23 | 0.611 |
| 0.5 | 15.0 | 3.97 | 0.543 |
| 0.5 | 45.0 | 7.19 | 0.979 |
| 0.5 | 75.0 | 5.61 | 0.836 |
| 0.5 | 105.0 | 8.87 | 1.2 |
| 0.5 | 135.0 | 6.81 | 1.04 |
| 0.5 | 165.0 | 11.3 | 4.0 |
| 0.5 | 195.0 | 5.42 | 2.0 |
| 0.5 | 225.0 | 6.87 | 1.11 |
| 0.5 | 255.0 | 7.53 | 1.01 |
| 0.5 | 285.0 | 6.51 | 0.957 |
| 0.5 | 315.0 | 4.89 | 0.691 |
| 0.5 | 345.0 | 5.68 | 0.696 |
| 0.7 | 15.0 | 2.74 | 0.45 |
| 0.7 | 45.0 | 3.28 | 0.568 |
| 0.7 | 75.0 | 6.9 | 1.08 |
| 0.7 | 105.0 | 5.25 | 0.836 |
| 0.7 | 135.0 | 6.71 | 1.22 |
| 0.7 | 165.0 | 5.92 | 1.68 |
| 0.7 | 195.0 | 3.89 | 1.28 |
| 0.7 | 225.0 | 5.87 | 1.24 |
| 0.7 | 255.0 | 4.78 | 0.825 |
| 0.7 | 285.0 | 5.89 | 0.942 |
| 0.7 | 315.0 | 2.69 | 0.501 |
| 0.7 | 345.0 | 3.63 | 0.6 |
| 0.9 | 15.0 | 3.3 | 0.671 |
| 0.9 | 45.0 | 2.59 | 0.53 |
| 0.9 | 75.0 | 2.9 | 0.666 |
| 0.9 | 105.0 | 3.24 | 0.794 |
| 0.9 | 135.0 | 2.3 | 0.746 |
| 0.9 | 165.0 | 1.95 | 0.61 |
| 0.9 | 195.0 | 2.07 | 0.869 |
| 0.9 | 225.0 | 2.79 | 0.812 |
| 0.9 | 255.0 | 2.77 | 0.645 |
| 0.9 | 285.0 | 2.51 | 0.606 |
| 0.9 | 315.0 | 2.28 | 0.546 |
| 0.9 | 345.0 | 2.65 | 0.52 |
Experiment comment: