Measurement E9M172
| 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: | 0.6 — 0.7 GeV2 | |
| W: | 1.26 GeV | |
| ε: | 0.873 | |
| 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 | 4.91 | 1.11 |
| -0.9 | 45.0 | 4.01 | 0.809 |
| -0.9 | 75.0 | 6.07 | 1.21 |
| -0.9 | 105.0 | 6.1 | 1.19 |
| -0.9 | 135.0 | 4.17 | 0.855 |
| -0.9 | 165.0 | 2.47 | 0.704 |
| -0.9 | 195.0 | 2.98 | 0.857 |
| -0.9 | 225.0 | 4.45 | 1.02 |
| -0.9 | 255.0 | 5.01 | 1.1 |
| -0.9 | 285.0 | 6.2 | 1.22 |
| -0.9 | 315.0 | 3.49 | 0.739 |
| -0.9 | 345.0 | 3.04 | 0.687 |
| -0.7 | 15.0 | 5.68 | 0.858 |
| -0.7 | 45.0 | 7.15 | 0.933 |
| -0.7 | 75.0 | 9.1 | 1.19 |
| -0.7 | 105.0 | 11.6 | 1.69 |
| -0.7 | 135.0 | 6.0 | 1.06 |
| -0.7 | 165.0 | 3.49 | 0.778 |
| -0.7 | 195.0 | 4.82 | 0.941 |
| -0.7 | 225.0 | 5.9 | 1.05 |
| -0.7 | 255.0 | 8.96 | 1.3 |
| -0.7 | 285.0 | 9.27 | 1.24 |
| -0.7 | 315.0 | 8.17 | 1.1 |
| -0.7 | 345.0 | 5.36 | 0.826 |
| -0.5 | 15.0 | 6.25 | 0.861 |
| -0.5 | 45.0 | 8.76 | 0.988 |
| -0.5 | 75.0 | 10.7 | 1.33 |
| -0.5 | 105.0 | 11.5 | 1.8 |
| -0.5 | 135.0 | 9.02 | 1.48 |
| -0.5 | 165.0 | 4.4 | 0.859 |
| -0.5 | 195.0 | 4.41 | 0.787 |
| -0.5 | 225.0 | 10.2 | 1.58 |
| -0.5 | 255.0 | 13.6 | 1.9 |
| -0.5 | 285.0 | 13.3 | 1.5 |
| -0.5 | 315.0 | 8.58 | 1.06 |
| -0.5 | 345.0 | 6.65 | 0.929 |
| -0.3 | 15.0 | 6.77 | 0.898 |
| -0.3 | 45.0 | 9.63 | 1.11 |
| -0.3 | 75.0 | 13.0 | 1.67 |
| -0.3 | 105.0 | 11.4 | 2.13 |
| -0.3 | 135.0 | 12.6 | 2.14 |
| -0.3 | 165.0 | 4.83 | 0.845 |
| -0.3 | 195.0 | 4.7 | 0.824 |
| -0.3 | 225.0 | 11.0 | 1.97 |
| -0.3 | 255.0 | 13.9 | 2.07 |
| -0.3 | 285.0 | 15.6 | 1.75 |
| -0.3 | 315.0 | 8.01 | 0.983 |
| -0.3 | 345.0 | 4.54 | 0.709 |
| -0.1 | 15.0 | 7.37 | 0.925 |
| -0.1 | 45.0 | 10.7 | 1.14 |
| -0.1 | 75.0 | 13.1 | 1.67 |
| -0.1 | 105.0 | 16.9 | 3.19 |
| -0.1 | 135.0 | 9.95 | 2.25 |
| -0.1 | 165.0 | 4.74 | 0.77 |
| -0.1 | 195.0 | 6.17 | 0.971 |
| -0.1 | 225.0 | 10.4 | 2.2 |
| -0.1 | 255.0 | 14.4 | 2.93 |
| -0.1 | 285.0 | 18.6 | 2.25 |
| -0.1 | 315.0 | 9.65 | 1.14 |
| -0.1 | 345.0 | 8.29 | 1.04 |
| 0.1 | 15.0 | 5.41 | 0.772 |
| 0.1 | 45.0 | 11.9 | 1.28 |
| 0.1 | 75.0 | 14.1 | 1.98 |
| 0.1 | 105.0 | 12.2 | 3.76 |
| 0.1 | 135.0 | 8.44 | 2.72 |
| 0.1 | 165.0 | 9.62 | 1.67 |
| 0.1 | 195.0 | 5.86 | 1.01 |
| 0.1 | 225.0 | 10.1 | 2.69 |
| 0.1 | 255.0 | 12.4 | 3.57 |
| 0.1 | 285.0 | 13.9 | 1.9 |
| 0.1 | 315.0 | 12.0 | 1.29 |
| 0.1 | 345.0 | 7.24 | 0.957 |
| 0.3 | 15.0 | 6.13 | 0.821 |
| 0.3 | 45.0 | 8.63 | 1.07 |
| 0.3 | 75.0 | 14.2 | 2.26 |
| 0.3 | 105.0 | 11.6 | 3.72 |
| 0.3 | 135.0 | 8.78 | 2.95 |
| 0.3 | 165.0 | 7.3 | 1.21 |
| 0.3 | 195.0 | 7.26 | 1.33 |
| 0.3 | 225.0 | 13.6 | 3.59 |
| 0.3 | 255.0 | 9.01 | 2.45 |
| 0.3 | 285.0 | 14.6 | 2.15 |
| 0.3 | 315.0 | 10.4 | 1.2 |
| 0.3 | 345.0 | 5.14 | 0.767 |
| 0.5 | 15.0 | 4.16 | 0.627 |
| 0.5 | 45.0 | 6.88 | 0.941 |
| 0.5 | 75.0 | 9.47 | 1.55 |
| 0.5 | 105.0 | 10.6 | 2.87 |
| 0.5 | 135.0 | 7.69 | 2.15 |
| 0.5 | 165.0 | 7.32 | 1.09 |
| 0.5 | 195.0 | 5.67 | 0.97 |
| 0.5 | 225.0 | 8.43 | 2.13 |
| 0.5 | 255.0 | 14.5 | 3.63 |
| 0.5 | 285.0 | 16.2 | 2.3 |
| 0.5 | 315.0 | 7.76 | 1.01 |
| 0.5 | 345.0 | 3.88 | 0.619 |
| 0.7 | 15.0 | 4.65 | 0.75 |
| 0.7 | 45.0 | 5.56 | 0.768 |
| 0.7 | 75.0 | 10.0 | 1.64 |
| 0.7 | 105.0 | 7.98 | 2.06 |
| 0.7 | 135.0 | 8.05 | 1.87 |
| 0.7 | 165.0 | 7.36 | 1.12 |
| 0.7 | 195.0 | 6.96 | 1.13 |
| 0.7 | 225.0 | 6.37 | 1.59 |
| 0.7 | 255.0 | 8.21 | 1.9 |
| 0.7 | 285.0 | 10.8 | 1.77 |
| 0.7 | 315.0 | 6.46 | 0.954 |
| 0.7 | 345.0 | 4.64 | 0.744 |
| 0.9 | 15.0 | 4.28 | 0.938 |
| 0.9 | 45.0 | 4.34 | 0.821 |
| 0.9 | 75.0 | 7.77 | 1.31 |
| 0.9 | 105.0 | 4.05 | 0.82 |
| 0.9 | 135.0 | 7.54 | 1.51 |
| 0.9 | 165.0 | 6.18 | 1.13 |
| 0.9 | 195.0 | 5.75 | 1.06 |
| 0.9 | 225.0 | 5.26 | 0.999 |
| 0.9 | 255.0 | 6.33 | 1.14 |
| 0.9 | 285.0 | 7.42 | 1.32 |
| 0.9 | 315.0 | 5.6 | 1.07 |
| 0.9 | 345.0 | 3.17 | 0.616 |
Experiment comment: