Measurement E9M108
| 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: | 1.1 GeV | |
| ε: | 0.785 | |
| 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 | 0.0947 | 0.102 |
| -0.9 | 75.0 | 3.33 | 4.37 |
| -0.9 | 105.0 | 0.135 | 0.124 |
| -0.9 | 135.0 | 0.264 | 0.3 |
| -0.9 | 225.0 | 0.46 | 0.56 |
| -0.9 | 255.0 | 2.57 | 2.64 |
| -0.9 | 285.0 | 1.14 | 1.48 |
| -0.9 | 345.0 | 0.295 | 0.466 |
| -0.7 | 75.0 | 0.44 | 0.412 |
| -0.7 | 105.0 | 0.942 | 0.677 |
| -0.7 | 135.0 | 0.193 | 0.215 |
| -0.7 | 165.0 | 0.321 | 0.339 |
| -0.7 | 195.0 | 0.439 | 0.349 |
| -0.7 | 225.0 | 1.57 | 1.25 |
| -0.7 | 255.0 | 2.0 | 1.85 |
| -0.7 | 285.0 | 0.393 | 0.47 |
| -0.5 | 75.0 | 0.449 | 0.515 |
| -0.5 | 105.0 | 0.999 | 0.772 |
| -0.5 | 135.0 | 1.59 | 1.16 |
| -0.5 | 165.0 | 3.56 | 2.11 |
| -0.5 | 225.0 | 0.425 | 0.292 |
| -0.5 | 255.0 | 1.63 | 1.67 |
| -0.5 | 285.0 | 0.2 | 0.228 |
| -0.3 | 15.0 | 0.617 | 0.702 |
| -0.3 | 45.0 | 0.147 | 0.182 |
| -0.3 | 75.0 | 1.5 | 1.75 |
| -0.3 | 135.0 | 5.17 | 4.14 |
| -0.3 | 165.0 | 0.663 | 0.436 |
| -0.3 | 225.0 | 0.378 | 0.411 |
| -0.3 | 255.0 | 0.812 | 0.623 |
| -0.3 | 285.0 | 0.816 | 0.817 |
| -0.3 | 315.0 | 0.476 | 0.609 |
| -0.1 | 15.0 | 0.623 | 0.718 |
| -0.1 | 45.0 | 0.668 | 0.591 |
| -0.1 | 75.0 | 0.133 | 0.0886 |
| -0.1 | 105.0 | 1.14 | 0.834 |
| -0.1 | 135.0 | 1.16 | 0.708 |
| -0.1 | 165.0 | 0.851 | 0.484 |
| -0.1 | 195.0 | 0.792 | 0.472 |
| -0.1 | 225.0 | 3.09 | 2.59 |
| -0.1 | 255.0 | 0.488 | 0.553 |
| -0.1 | 285.0 | 0.368 | 0.406 |
| -0.1 | 315.0 | 0.784 | 0.761 |
| -0.1 | 345.0 | 0.165 | 0.156 |
| 0.1 | 15.0 | 1.54 | 1.58 |
| 0.1 | 45.0 | 0.228 | 0.179 |
| 0.1 | 75.0 | 1.71 | 1.5 |
| 0.1 | 105.0 | 5.7 | 4.68 |
| 0.1 | 135.0 | 1.6 | 1.3 |
| 0.1 | 165.0 | 1.38 | 0.691 |
| 0.1 | 195.0 | 1.17 | 0.542 |
| 0.1 | 225.0 | 3.38 | 2.8 |
| 0.1 | 255.0 | 1.21 | 0.875 |
| 0.1 | 285.0 | 0.142 | 0.112 |
| 0.1 | 315.0 | 0.0635 | 0.0548 |
| 0.1 | 345.0 | 0.279 | 0.196 |
| 0.3 | 45.0 | 1.73 | 1.29 |
| 0.3 | 75.0 | 3.2 | 3.96 |
| 0.3 | 105.0 | 2.88 | 1.84 |
| 0.3 | 135.0 | 0.979 | 0.774 |
| 0.3 | 165.0 | 2.37 | 1.26 |
| 0.3 | 195.0 | 6.27 | 3.37 |
| 0.3 | 225.0 | 0.628 | 0.496 |
| 0.3 | 255.0 | 2.17 | 1.71 |
| 0.3 | 285.0 | 1.03 | 0.965 |
| 0.3 | 315.0 | 1.57 | 1.01 |
| 0.5 | 15.0 | 0.184 | 0.207 |
| 0.5 | 45.0 | 0.155 | 0.17 |
| 0.5 | 75.0 | 0.431 | 0.467 |
| 0.5 | 105.0 | 0.958 | 0.633 |
| 0.5 | 135.0 | 2.53 | 1.65 |
| 0.5 | 165.0 | 0.649 | 0.416 |
| 0.5 | 195.0 | 2.99 | 1.58 |
| 0.5 | 225.0 | 0.91 | 0.716 |
| 0.5 | 255.0 | 1.55 | 0.962 |
| 0.5 | 285.0 | 1.61 | 1.48 |
| 0.5 | 315.0 | 1.72 | 1.21 |
| 0.5 | 345.0 | 0.612 | 0.536 |
| 0.7 | 15.0 | 0.626 | 0.698 |
| 0.7 | 45.0 | 0.858 | 0.58 |
| 0.7 | 75.0 | 0.156 | 0.163 |
| 0.7 | 135.0 | 1.2 | 0.652 |
| 0.7 | 165.0 | 0.969 | 0.625 |
| 0.7 | 195.0 | 2.18 | 1.34 |
| 0.7 | 225.0 | 1.69 | 0.851 |
| 0.7 | 255.0 | 6.13 | 4.93 |
| 0.7 | 285.0 | 2.42 | 1.52 |
| 0.7 | 345.0 | 0.107 | 0.0845 |
| 0.9 | 15.0 | 0.339 | 0.272 |
| 0.9 | 45.0 | 1.28 | 0.909 |
| 0.9 | 75.0 | 0.888 | 0.527 |
| 0.9 | 105.0 | 0.0805 | 0.084 |
| 0.9 | 135.0 | 1.23 | 0.877 |
| 0.9 | 165.0 | 0.16 | 0.121 |
| 0.9 | 195.0 | 1.07 | 0.88 |
| 0.9 | 225.0 | 8.34 | 5.38 |
| 0.9 | 255.0 | 4.08 | 3.29 |
| 0.9 | 285.0 | 0.254 | 0.171 |
| 0.9 | 315.0 | 0.818 | 0.669 |
Experiment comment: