Measurement E9M175
| 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: | 1.32 GeV | |
| ε: | 0.855 | |
| 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 | 1.86 | 0.507 |
| -0.9 | 45.0 | 1.28 | 0.409 |
| -0.9 | 75.0 | 1.34 | 0.403 |
| -0.9 | 105.0 | 1.77 | 0.485 |
| -0.9 | 135.0 | 2.84 | 0.793 |
| -0.9 | 165.0 | 1.25 | 0.395 |
| -0.9 | 195.0 | 2.34 | 0.819 |
| -0.9 | 225.0 | 3.35 | 0.858 |
| -0.9 | 255.0 | 1.44 | 0.464 |
| -0.9 | 285.0 | 2.12 | 0.69 |
| -0.9 | 315.0 | 2.16 | 0.641 |
| -0.9 | 345.0 | 1.17 | 0.465 |
| -0.7 | 15.0 | 1.25 | 0.284 |
| -0.7 | 45.0 | 2.98 | 0.611 |
| -0.7 | 75.0 | 4.44 | 0.863 |
| -0.7 | 105.0 | 6.55 | 1.36 |
| -0.7 | 135.0 | 2.87 | 0.704 |
| -0.7 | 165.0 | 2.11 | 0.648 |
| -0.7 | 195.0 | 1.65 | 0.411 |
| -0.7 | 225.0 | 2.63 | 0.665 |
| -0.7 | 255.0 | 2.62 | 0.713 |
| -0.7 | 285.0 | 2.14 | 0.521 |
| -0.7 | 315.0 | 3.2 | 0.643 |
| -0.7 | 345.0 | 2.57 | 0.473 |
| -0.5 | 15.0 | 2.83 | 0.499 |
| -0.5 | 45.0 | 3.41 | 0.537 |
| -0.5 | 75.0 | 4.25 | 0.856 |
| -0.5 | 105.0 | 2.29 | 0.864 |
| -0.5 | 135.0 | 3.47 | 1.07 |
| -0.5 | 165.0 | 1.48 | 0.411 |
| -0.5 | 195.0 | 2.34 | 0.558 |
| -0.5 | 225.0 | 3.32 | 0.849 |
| -0.5 | 255.0 | 2.62 | 0.849 |
| -0.5 | 285.0 | 2.11 | 0.451 |
| -0.5 | 315.0 | 3.36 | 0.551 |
| -0.5 | 345.0 | 1.82 | 0.368 |
| -0.3 | 15.0 | 2.48 | 0.431 |
| -0.3 | 45.0 | 4.86 | 0.726 |
| -0.3 | 75.0 | 7.61 | 1.49 |
| -0.3 | 105.0 | 12.9 | 5.46 |
| -0.3 | 135.0 | 2.08 | 1.3 |
| -0.3 | 165.0 | 1.88 | 0.487 |
| -0.3 | 195.0 | 2.13 | 0.564 |
| -0.3 | 225.0 | 5.15 | 3.01 |
| -0.3 | 255.0 | 7.02 | 2.47 |
| -0.3 | 285.0 | 6.08 | 1.14 |
| -0.3 | 315.0 | 4.11 | 0.611 |
| -0.3 | 345.0 | 3.42 | 0.57 |
| -0.1 | 15.0 | 3.75 | 0.651 |
| -0.1 | 45.0 | 4.75 | 0.702 |
| -0.1 | 75.0 | 5.77 | 1.51 |
| -0.1 | 105.0 | 10.9 | 3.91 |
| -0.1 | 135.0 | 8.94 | 7.74 |
| -0.1 | 165.0 | 5.37 | 2.04 |
| -0.1 | 195.0 | 2.59 | 0.832 |
| -0.1 | 225.0 | 27.3 | 17.6 |
| -0.1 | 255.0 | 7.66 | 2.99 |
| -0.1 | 285.0 | 5.74 | 1.28 |
| -0.1 | 315.0 | 4.39 | 0.653 |
| -0.1 | 345.0 | 3.63 | 0.629 |
| 0.1 | 15.0 | 1.72 | 0.371 |
| 0.1 | 45.0 | 2.89 | 0.452 |
| 0.1 | 75.0 | 6.05 | 1.57 |
| 0.1 | 105.0 | 7.96 | 1.82 |
| 0.1 | 135.0 | 10.9 | 3.8 |
| 0.1 | 165.0 | 2.54 | 0.943 |
| 0.1 | 195.0 | 3.37 | 1.19 |
| 0.1 | 225.0 | 6.56 | 2.24 |
| 0.1 | 255.0 | 5.2 | 1.25 |
| 0.1 | 285.0 | 4.53 | 1.29 |
| 0.1 | 315.0 | 3.63 | 0.576 |
| 0.1 | 345.0 | 2.51 | 0.483 |
| 0.3 | 15.0 | 3.21 | 0.609 |
| 0.3 | 45.0 | 3.66 | 0.57 |
| 0.3 | 75.0 | 4.96 | 1.55 |
| 0.3 | 105.0 | 5.83 | 1.27 |
| 0.3 | 135.0 | 6.51 | 1.91 |
| 0.3 | 165.0 | 4.58 | 1.59 |
| 0.3 | 195.0 | 2.92 | 1.5 |
| 0.3 | 225.0 | 9.92 | 3.34 |
| 0.3 | 255.0 | 8.49 | 1.77 |
| 0.3 | 285.0 | 10.1 | 2.37 |
| 0.3 | 315.0 | 4.58 | 0.762 |
| 0.3 | 345.0 | 2.53 | 0.501 |
| 0.5 | 15.0 | 3.38 | 0.642 |
| 0.5 | 45.0 | 2.69 | 0.498 |
| 0.5 | 75.0 | 3.46 | 1.1 |
| 0.5 | 105.0 | 3.25 | 0.786 |
| 0.5 | 135.0 | 3.48 | 1.02 |
| 0.5 | 165.0 | 2.37 | 1.61 |
| 0.5 | 195.0 | 2.84 | 1.29 |
| 0.5 | 225.0 | 5.2 | 1.77 |
| 0.5 | 255.0 | 5.3 | 1.33 |
| 0.5 | 285.0 | 5.22 | 1.26 |
| 0.5 | 315.0 | 2.96 | 0.569 |
| 0.5 | 345.0 | 1.37 | 0.338 |
| 0.7 | 15.0 | 1.69 | 0.412 |
| 0.7 | 45.0 | 2.61 | 0.513 |
| 0.7 | 75.0 | 2.21 | 0.776 |
| 0.7 | 105.0 | 4.41 | 1.39 |
| 0.7 | 135.0 | 4.51 | 1.68 |
| 0.7 | 165.0 | 2.4 | 0.909 |
| 0.7 | 195.0 | 1.97 | 0.764 |
| 0.7 | 225.0 | 5.0 | 1.74 |
| 0.7 | 255.0 | 3.17 | 0.993 |
| 0.7 | 285.0 | 5.13 | 1.64 |
| 0.7 | 315.0 | 1.42 | 0.347 |
| 0.7 | 345.0 | 3.29 | 0.778 |
| 0.9 | 15.0 | 2.42 | 0.701 |
| 0.9 | 45.0 | 1.45 | 0.418 |
| 0.9 | 75.0 | 1.88 | 0.536 |
| 0.9 | 105.0 | 3.83 | 1.63 |
| 0.9 | 135.0 | 0.982 | 0.45 |
| 0.9 | 165.0 | 2.18 | 0.779 |
| 0.9 | 195.0 | 1.43 | 0.554 |
| 0.9 | 225.0 | 1.52 | 0.739 |
| 0.9 | 255.0 | 2.69 | 0.873 |
| 0.9 | 285.0 | 4.08 | 1.15 |
| 0.9 | 315.0 | 1.7 | 0.402 |
| 0.9 | 345.0 | 1.03 | 0.285 |
Experiment comment: