Measurement E9M126
| 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: | 1.46 GeV | |
| ε: | 0.511 | |
| 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 | 0.468 | 0.37 |
| -0.9 | 45.0 | 0.859 | 1.01 |
| -0.9 | 75.0 | 0.148 | 0.157 |
| -0.9 | 135.0 | 0.464 | 0.346 |
| -0.9 | 165.0 | 0.664 | 0.422 |
| -0.9 | 195.0 | 0.964 | 0.552 |
| -0.9 | 225.0 | 0.318 | 0.335 |
| -0.9 | 255.0 | 0.329 | 0.343 |
| -0.9 | 285.0 | 0.475 | 0.5 |
| -0.9 | 315.0 | 0.171 | 0.13 |
| -0.7 | 15.0 | 0.596 | 0.331 |
| -0.7 | 45.0 | 0.776 | 0.481 |
| -0.7 | 75.0 | 0.869 | 0.549 |
| -0.7 | 105.0 | 2.31 | 1.12 |
| -0.7 | 135.0 | 4.7 | 3.34 |
| -0.7 | 195.0 | 1.1 | 1.24 |
| -0.7 | 225.0 | 0.525 | 0.393 |
| -0.7 | 255.0 | 0.905 | 0.484 |
| -0.7 | 285.0 | 0.929 | 0.394 |
| -0.7 | 315.0 | 1.08 | 0.591 |
| -0.7 | 345.0 | 0.334 | 0.203 |
| -0.5 | 15.0 | 2.27 | 0.708 |
| -0.5 | 45.0 | 1.96 | 0.666 |
| -0.5 | 75.0 | 3.73 | 1.32 |
| -0.5 | 105.0 | 2.78 | 0.851 |
| -0.5 | 135.0 | 2.25 | 0.778 |
| -0.5 | 165.0 | 4.01 | 3.68 |
| -0.5 | 225.0 | 2.57 | 1.03 |
| -0.5 | 255.0 | 2.0 | 0.672 |
| -0.5 | 285.0 | 1.77 | 0.659 |
| -0.5 | 315.0 | 1.55 | 0.594 |
| -0.5 | 345.0 | 1.6 | 0.678 |
| -0.3 | 15.0 | 1.97 | 0.933 |
| -0.3 | 45.0 | 0.907 | 0.428 |
| -0.3 | 75.0 | 1.72 | 0.565 |
| -0.3 | 105.0 | 2.5 | 0.678 |
| -0.3 | 135.0 | 2.06 | 0.851 |
| -0.3 | 225.0 | 4.51 | 1.24 |
| -0.3 | 255.0 | 4.01 | 1.01 |
| -0.3 | 285.0 | 5.24 | 1.55 |
| -0.3 | 315.0 | 3.7 | 1.15 |
| -0.3 | 345.0 | 1.98 | 0.997 |
| -0.1 | 15.0 | 2.16 | 0.667 |
| -0.1 | 45.0 | 2.54 | 0.735 |
| -0.1 | 75.0 | 2.99 | 0.961 |
| -0.1 | 105.0 | 4.39 | 1.06 |
| -0.1 | 135.0 | 3.56 | 1.13 |
| -0.1 | 225.0 | 1.93 | 0.637 |
| -0.1 | 255.0 | 3.49 | 0.847 |
| -0.1 | 285.0 | 1.48 | 0.589 |
| -0.1 | 315.0 | 2.42 | 0.7 |
| -0.1 | 345.0 | 0.395 | 0.235 |
| 0.1 | 15.0 | 1.52 | 0.63 |
| 0.1 | 45.0 | 2.65 | 0.877 |
| 0.1 | 75.0 | 3.87 | 1.1 |
| 0.1 | 105.0 | 3.68 | 0.936 |
| 0.1 | 135.0 | 1.09 | 0.658 |
| 0.1 | 165.0 | 2.83 | 2.32 |
| 0.1 | 195.0 | 1.09 | 1.15 |
| 0.1 | 225.0 | 1.95 | 0.877 |
| 0.1 | 255.0 | 5.02 | 1.33 |
| 0.1 | 285.0 | 1.5 | 0.513 |
| 0.1 | 315.0 | 1.92 | 0.61 |
| 0.1 | 345.0 | 1.0 | 0.389 |
| 0.3 | 15.0 | 1.66 | 0.572 |
| 0.3 | 45.0 | 2.59 | 0.817 |
| 0.3 | 75.0 | 2.01 | 0.583 |
| 0.3 | 105.0 | 2.7 | 0.768 |
| 0.3 | 135.0 | 2.14 | 0.863 |
| 0.3 | 165.0 | 1.35 | 1.04 |
| 0.3 | 195.0 | 1.38 | 0.92 |
| 0.3 | 225.0 | 6.09 | 2.93 |
| 0.3 | 255.0 | 2.39 | 0.597 |
| 0.3 | 285.0 | 4.04 | 1.18 |
| 0.3 | 315.0 | 1.83 | 0.655 |
| 0.3 | 345.0 | 1.39 | 0.633 |
| 0.5 | 15.0 | 2.19 | 0.778 |
| 0.5 | 45.0 | 1.1 | 0.364 |
| 0.5 | 75.0 | 2.35 | 0.773 |
| 0.5 | 105.0 | 1.34 | 0.496 |
| 0.5 | 135.0 | 1.38 | 0.677 |
| 0.5 | 165.0 | 1.23 | 0.695 |
| 0.5 | 225.0 | 2.18 | 0.893 |
| 0.5 | 255.0 | 2.7 | 0.739 |
| 0.5 | 285.0 | 2.61 | 0.72 |
| 0.5 | 315.0 | 2.35 | 0.726 |
| 0.5 | 345.0 | 1.92 | 0.585 |
| 0.7 | 15.0 | 1.67 | 0.585 |
| 0.7 | 45.0 | 1.78 | 0.811 |
| 0.7 | 75.0 | 2.43 | 0.779 |
| 0.7 | 105.0 | 2.62 | 0.909 |
| 0.7 | 135.0 | 1.07 | 0.546 |
| 0.7 | 165.0 | 3.09 | 2.53 |
| 0.7 | 195.0 | 1.27 | 1.03 |
| 0.7 | 225.0 | 0.943 | 0.521 |
| 0.7 | 255.0 | 1.3 | 0.545 |
| 0.7 | 285.0 | 1.06 | 0.368 |
| 0.7 | 315.0 | 0.922 | 0.301 |
| 0.7 | 345.0 | 1.62 | 0.56 |
| 0.9 | 15.0 | 6.07 | 3.49 |
| 0.9 | 45.0 | 0.932 | 0.519 |
| 0.9 | 75.0 | 0.555 | 0.305 |
| 0.9 | 105.0 | 1.13 | 0.661 |
| 0.9 | 135.0 | 0.474 | 0.505 |
| 0.9 | 225.0 | 0.423 | 0.45 |
| 0.9 | 255.0 | 2.23 | 0.917 |
| 0.9 | 285.0 | 1.45 | 0.767 |
| 0.9 | 315.0 | 3.25 | 1.41 |
| 0.9 | 345.0 | 1.4 | 0.712 |
Experiment comment: