Measurement E9M161
| 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: | 1.32 GeV | |
| ε: | 0.512 | |
| 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 | 1.95 | 1.03 |
| -0.9 | 45.0 | 0.317 | 0.331 |
| -0.9 | 75.0 | 0.743 | 0.575 |
| -0.9 | 105.0 | 0.529 | 0.559 |
| -0.9 | 135.0 | 13.2 | 14.5 |
| -0.9 | 165.0 | 0.141 | 0.148 |
| -0.9 | 195.0 | 0.327 | 0.251 |
| -0.9 | 225.0 | 0.607 | 0.466 |
| -0.9 | 255.0 | 5.06 | 5.1 |
| -0.9 | 285.0 | 1.84 | 0.966 |
| -0.9 | 315.0 | 0.721 | 0.456 |
| -0.9 | 345.0 | 1.37 | 0.845 |
| -0.7 | 15.0 | 1.5 | 0.68 |
| -0.7 | 45.0 | 2.22 | 0.895 |
| -0.7 | 75.0 | 0.687 | 0.506 |
| -0.7 | 105.0 | 1.41 | 0.891 |
| -0.7 | 135.0 | 1.41 | 1.55 |
| -0.7 | 195.0 | 0.763 | 0.498 |
| -0.7 | 225.0 | 0.905 | 0.712 |
| -0.7 | 255.0 | 2.81 | 1.38 |
| -0.7 | 285.0 | 2.23 | 1.14 |
| -0.7 | 315.0 | 1.26 | 0.645 |
| -0.7 | 345.0 | 2.7 | 1.22 |
| -0.5 | 15.0 | 1.4 | 0.674 |
| -0.5 | 45.0 | 2.57 | 1.07 |
| -0.5 | 75.0 | 3.58 | 1.81 |
| -0.5 | 105.0 | 2.73 | 1.55 |
| -0.5 | 135.0 | 2.6 | 1.75 |
| -0.5 | 165.0 | 0.426 | 0.442 |
| -0.5 | 195.0 | 0.54 | 0.404 |
| -0.5 | 225.0 | 2.76 | 2.2 |
| -0.5 | 255.0 | 2.37 | 1.28 |
| -0.5 | 285.0 | 2.59 | 0.946 |
| -0.5 | 315.0 | 1.78 | 0.682 |
| -0.5 | 345.0 | 0.564 | 0.414 |
| -0.3 | 15.0 | 1.38 | 0.742 |
| -0.3 | 45.0 | 2.16 | 0.892 |
| -0.3 | 75.0 | 1.96 | 0.861 |
| -0.3 | 105.0 | 3.04 | 1.4 |
| -0.3 | 135.0 | 4.98 | 2.52 |
| -0.3 | 165.0 | 4.29 | 2.86 |
| -0.3 | 195.0 | 3.04 | 2.45 |
| -0.3 | 225.0 | 10.5 | 6.39 |
| -0.3 | 255.0 | 9.66 | 4.9 |
| -0.3 | 285.0 | 1.8 | 0.787 |
| -0.3 | 315.0 | 2.76 | 1.04 |
| -0.3 | 345.0 | 1.96 | 0.885 |
| -0.1 | 15.0 | 2.11 | 0.867 |
| -0.1 | 45.0 | 2.42 | 0.944 |
| -0.1 | 75.0 | 3.0 | 1.25 |
| -0.1 | 105.0 | 2.61 | 1.17 |
| -0.1 | 135.0 | 2.95 | 1.69 |
| -0.1 | 225.0 | 2.13 | 1.33 |
| -0.1 | 255.0 | 2.92 | 1.32 |
| -0.1 | 285.0 | 5.59 | 2.08 |
| -0.1 | 315.0 | 0.958 | 0.705 |
| -0.1 | 345.0 | 3.16 | 1.07 |
| 0.1 | 15.0 | 1.46 | 0.647 |
| 0.1 | 45.0 | 2.57 | 0.942 |
| 0.1 | 75.0 | 2.79 | 1.05 |
| 0.1 | 105.0 | 7.19 | 2.46 |
| 0.1 | 135.0 | 3.01 | 1.68 |
| 0.1 | 195.0 | 4.86 | 5.63 |
| 0.1 | 225.0 | 2.48 | 1.4 |
| 0.1 | 255.0 | 9.42 | 3.56 |
| 0.1 | 285.0 | 3.18 | 1.04 |
| 0.1 | 315.0 | 2.43 | 0.952 |
| 0.1 | 345.0 | 3.35 | 1.16 |
| 0.3 | 15.0 | 2.27 | 0.856 |
| 0.3 | 45.0 | 1.7 | 0.825 |
| 0.3 | 75.0 | 3.33 | 1.25 |
| 0.3 | 105.0 | 2.94 | 1.19 |
| 0.3 | 135.0 | 4.49 | 1.84 |
| 0.3 | 195.0 | 8.95 | 12.7 |
| 0.3 | 225.0 | 4.72 | 2.27 |
| 0.3 | 255.0 | 3.33 | 1.34 |
| 0.3 | 285.0 | 2.35 | 1.0 |
| 0.3 | 315.0 | 3.64 | 1.29 |
| 0.3 | 345.0 | 3.83 | 1.34 |
| 0.5 | 15.0 | 0.513 | 0.271 |
| 0.5 | 45.0 | 1.4 | 0.636 |
| 0.5 | 75.0 | 2.76 | 1.07 |
| 0.5 | 105.0 | 2.55 | 1.19 |
| 0.5 | 135.0 | 4.64 | 2.39 |
| 0.5 | 165.0 | 1.19 | 1.3 |
| 0.5 | 195.0 | 6.64 | 9.4 |
| 0.5 | 225.0 | 9.21 | 3.84 |
| 0.5 | 255.0 | 3.88 | 1.54 |
| 0.5 | 285.0 | 3.61 | 1.55 |
| 0.5 | 315.0 | 1.24 | 0.675 |
| 0.5 | 345.0 | 1.59 | 0.604 |
| 0.7 | 15.0 | 1.04 | 0.538 |
| 0.7 | 45.0 | 2.05 | 0.896 |
| 0.7 | 75.0 | 2.48 | 1.26 |
| 0.7 | 105.0 | 2.18 | 1.29 |
| 0.7 | 135.0 | 3.99 | 1.77 |
| 0.7 | 225.0 | 1.52 | 0.791 |
| 0.7 | 255.0 | 1.51 | 0.851 |
| 0.7 | 285.0 | 6.92 | 3.51 |
| 0.7 | 315.0 | 0.717 | 0.537 |
| 0.7 | 345.0 | 1.05 | 0.476 |
| 0.9 | 15.0 | 0.893 | 0.616 |
| 0.9 | 45.0 | 0.639 | 0.693 |
| 0.9 | 105.0 | 0.355 | 0.272 |
| 0.9 | 135.0 | 0.941 | 0.79 |
| 0.9 | 165.0 | 0.891 | 1.04 |
| 0.9 | 195.0 | 1.08 | 0.75 |
| 0.9 | 225.0 | 17.8 | 19.1 |
| 0.9 | 285.0 | 1.9 | 1.33 |
| 0.9 | 315.0 | 3.73 | 2.54 |
| 0.9 | 345.0 | 0.57 | 0.453 |
Experiment comment: