Measurement E9M14
| 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: | 0.35 — 0.45 GeV2 | |
| W: | 1.36 GeV | |
| ε: | 0.751 | |
| 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 | 0.857 | 0.338 |
| -0.9 | 45.0 | 1.64 | 0.53 |
| -0.9 | 75.0 | 2.65 | 0.902 |
| -0.9 | 105.0 | 2.06 | 0.837 |
| -0.9 | 135.0 | 1.29 | 0.491 |
| -0.9 | 165.0 | 0.969 | 0.383 |
| -0.9 | 195.0 | 2.78 | 1.03 |
| -0.9 | 225.0 | 1.54 | 0.564 |
| -0.9 | 255.0 | 2.51 | 0.837 |
| -0.9 | 285.0 | 2.85 | 0.896 |
| -0.9 | 315.0 | 1.76 | 0.58 |
| -0.9 | 345.0 | 0.366 | 0.159 |
| -0.7 | 15.0 | 1.18 | 0.288 |
| -0.7 | 45.0 | 2.1 | 0.478 |
| -0.7 | 75.0 | 3.37 | 0.871 |
| -0.7 | 105.0 | 2.27 | 0.929 |
| -0.7 | 135.0 | 3.14 | 1.61 |
| -0.7 | 165.0 | 1.25 | 0.5 |
| -0.7 | 195.0 | 1.37 | 0.55 |
| -0.7 | 225.0 | 2.86 | 1.63 |
| -0.7 | 255.0 | 0.901 | 0.467 |
| -0.7 | 285.0 | 2.41 | 0.76 |
| -0.7 | 315.0 | 2.06 | 0.444 |
| -0.7 | 345.0 | 2.13 | 0.51 |
| -0.5 | 15.0 | 1.89 | 0.347 |
| -0.5 | 45.0 | 3.91 | 0.732 |
| -0.5 | 75.0 | 4.03 | 1.08 |
| -0.5 | 105.0 | 2.96 | 0.825 |
| -0.5 | 135.0 | 3.27 | 1.0 |
| -0.5 | 165.0 | 2.97 | 2.02 |
| -0.5 | 195.0 | 1.81 | 1.17 |
| -0.5 | 225.0 | 7.5 | 2.33 |
| -0.5 | 255.0 | 6.61 | 1.71 |
| -0.5 | 285.0 | 5.33 | 1.37 |
| -0.5 | 315.0 | 4.38 | 0.774 |
| -0.5 | 345.0 | 1.47 | 0.307 |
| -0.3 | 15.0 | 2.19 | 0.354 |
| -0.3 | 45.0 | 4.28 | 0.813 |
| -0.3 | 75.0 | 4.83 | 1.12 |
| -0.3 | 105.0 | 4.35 | 0.793 |
| -0.3 | 135.0 | 4.04 | 0.818 |
| -0.3 | 165.0 | 8.7 | 3.76 |
| -0.3 | 195.0 | 2.88 | 2.28 |
| -0.3 | 225.0 | 4.1 | 0.859 |
| -0.3 | 255.0 | 4.88 | 0.805 |
| -0.3 | 285.0 | 7.65 | 1.6 |
| -0.3 | 315.0 | 3.76 | 0.695 |
| -0.3 | 345.0 | 2.75 | 0.448 |
| -0.1 | 15.0 | 3.28 | 0.501 |
| -0.1 | 45.0 | 4.57 | 0.794 |
| -0.1 | 75.0 | 5.85 | 1.17 |
| -0.1 | 105.0 | 5.08 | 0.752 |
| -0.1 | 135.0 | 5.12 | 0.85 |
| -0.1 | 165.0 | 2.8 | 1.59 |
| -0.1 | 195.0 | 4.25 | 1.96 |
| -0.1 | 225.0 | 5.0 | 0.86 |
| -0.1 | 255.0 | 5.68 | 0.841 |
| -0.1 | 285.0 | 4.68 | 0.901 |
| -0.1 | 315.0 | 2.74 | 0.544 |
| -0.1 | 345.0 | 2.64 | 0.443 |
| 0.1 | 15.0 | 2.92 | 0.486 |
| 0.1 | 45.0 | 5.24 | 0.887 |
| 0.1 | 75.0 | 6.07 | 0.99 |
| 0.1 | 105.0 | 6.43 | 0.909 |
| 0.1 | 135.0 | 4.52 | 0.754 |
| 0.1 | 165.0 | 3.47 | 1.67 |
| 0.1 | 195.0 | 9.33 | 4.22 |
| 0.1 | 225.0 | 4.2 | 0.821 |
| 0.1 | 255.0 | 6.36 | 0.869 |
| 0.1 | 285.0 | 5.27 | 0.902 |
| 0.1 | 315.0 | 4.19 | 0.679 |
| 0.1 | 345.0 | 2.61 | 0.43 |
| 0.3 | 15.0 | 2.15 | 0.38 |
| 0.3 | 45.0 | 2.93 | 0.569 |
| 0.3 | 75.0 | 6.74 | 1.02 |
| 0.3 | 105.0 | 4.62 | 0.703 |
| 0.3 | 135.0 | 5.21 | 1.0 |
| 0.3 | 195.0 | 1.36 | 1.46 |
| 0.3 | 225.0 | 4.75 | 0.932 |
| 0.3 | 255.0 | 6.18 | 0.914 |
| 0.3 | 285.0 | 3.11 | 0.563 |
| 0.3 | 315.0 | 4.15 | 0.792 |
| 0.3 | 345.0 | 2.49 | 0.426 |
| 0.5 | 15.0 | 2.17 | 0.42 |
| 0.5 | 45.0 | 1.91 | 0.431 |
| 0.5 | 75.0 | 2.49 | 0.516 |
| 0.5 | 105.0 | 4.2 | 0.661 |
| 0.5 | 135.0 | 2.84 | 0.694 |
| 0.5 | 165.0 | 15.4 | 13.4 |
| 0.5 | 195.0 | 4.09 | 5.01 |
| 0.5 | 225.0 | 5.57 | 1.22 |
| 0.5 | 255.0 | 5.02 | 0.744 |
| 0.5 | 285.0 | 4.25 | 0.687 |
| 0.5 | 315.0 | 3.53 | 0.801 |
| 0.5 | 345.0 | 1.91 | 0.352 |
| 0.7 | 15.0 | 1.75 | 0.339 |
| 0.7 | 45.0 | 2.61 | 0.563 |
| 0.7 | 75.0 | 2.37 | 0.479 |
| 0.7 | 105.0 | 2.64 | 0.524 |
| 0.7 | 135.0 | 5.04 | 1.53 |
| 0.7 | 195.0 | 6.33 | 5.19 |
| 0.7 | 225.0 | 2.92 | 0.739 |
| 0.7 | 255.0 | 2.14 | 0.383 |
| 0.7 | 285.0 | 1.78 | 0.43 |
| 0.7 | 315.0 | 1.8 | 0.427 |
| 0.7 | 345.0 | 2.15 | 0.418 |
| 0.9 | 15.0 | 1.78 | 0.483 |
| 0.9 | 45.0 | 2.06 | 0.555 |
| 0.9 | 75.0 | 0.898 | 0.348 |
| 0.9 | 105.0 | 1.78 | 0.537 |
| 0.9 | 135.0 | 1.5 | 0.568 |
| 0.9 | 165.0 | 2.9 | 2.22 |
| 0.9 | 195.0 | 0.694 | 0.744 |
| 0.9 | 225.0 | 0.665 | 0.412 |
| 0.9 | 255.0 | 2.45 | 0.703 |
| 0.9 | 285.0 | 1.08 | 0.401 |
| 0.9 | 315.0 | 2.6 | 0.733 |
| 0.9 | 345.0 | 1.42 | 0.394 |
Experiment comment: