Measurement E9M232
| 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: | 1.26 GeV | |
| ε: | 0.818 | |
| 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 | 3.49 | 0.666 |
| -0.9 | 45.0 | 2.35 | 0.434 |
| -0.9 | 75.0 | 4.11 | 0.727 |
| -0.9 | 105.0 | 3.71 | 0.638 |
| -0.9 | 135.0 | 2.68 | 0.565 |
| -0.9 | 165.0 | 2.79 | 0.629 |
| -0.9 | 195.0 | 3.47 | 0.753 |
| -0.9 | 225.0 | 2.32 | 0.477 |
| -0.9 | 255.0 | 4.12 | 0.722 |
| -0.9 | 285.0 | 3.25 | 0.6 |
| -0.9 | 315.0 | 2.42 | 0.445 |
| -0.9 | 345.0 | 3.0 | 0.586 |
| -0.7 | 15.0 | 4.74 | 0.663 |
| -0.7 | 45.0 | 4.22 | 0.548 |
| -0.7 | 75.0 | 6.45 | 0.819 |
| -0.7 | 105.0 | 5.19 | 0.732 |
| -0.7 | 135.0 | 6.33 | 0.938 |
| -0.7 | 165.0 | 2.57 | 0.496 |
| -0.7 | 195.0 | 2.51 | 0.432 |
| -0.7 | 225.0 | 3.2 | 0.501 |
| -0.7 | 255.0 | 5.41 | 0.749 |
| -0.7 | 285.0 | 5.74 | 0.792 |
| -0.7 | 315.0 | 4.27 | 0.562 |
| -0.7 | 345.0 | 4.21 | 0.552 |
| -0.5 | 15.0 | 4.67 | 0.615 |
| -0.5 | 45.0 | 7.01 | 0.731 |
| -0.5 | 75.0 | 6.39 | 0.79 |
| -0.5 | 105.0 | 8.72 | 1.12 |
| -0.5 | 135.0 | 6.06 | 0.898 |
| -0.5 | 165.0 | 3.08 | 0.455 |
| -0.5 | 195.0 | 3.52 | 0.514 |
| -0.5 | 225.0 | 8.09 | 1.17 |
| -0.5 | 255.0 | 7.72 | 0.964 |
| -0.5 | 285.0 | 7.95 | 0.947 |
| -0.5 | 315.0 | 7.36 | 0.795 |
| -0.5 | 345.0 | 4.38 | 0.536 |
| -0.3 | 15.0 | 4.5 | 0.518 |
| -0.3 | 45.0 | 6.44 | 0.696 |
| -0.3 | 75.0 | 8.62 | 0.989 |
| -0.3 | 105.0 | 10.1 | 1.37 |
| -0.3 | 135.0 | 5.08 | 0.789 |
| -0.3 | 165.0 | 3.39 | 0.501 |
| -0.3 | 195.0 | 4.33 | 0.614 |
| -0.3 | 225.0 | 5.91 | 0.821 |
| -0.3 | 255.0 | 8.5 | 1.07 |
| -0.3 | 285.0 | 9.18 | 1.03 |
| -0.3 | 315.0 | 7.39 | 0.764 |
| -0.3 | 345.0 | 5.01 | 0.608 |
| -0.1 | 15.0 | 4.01 | 0.495 |
| -0.1 | 45.0 | 7.55 | 0.784 |
| -0.1 | 75.0 | 9.48 | 1.09 |
| -0.1 | 105.0 | 9.2 | 1.31 |
| -0.1 | 135.0 | 8.21 | 1.22 |
| -0.1 | 165.0 | 4.44 | 0.637 |
| -0.1 | 195.0 | 3.6 | 0.523 |
| -0.1 | 225.0 | 6.25 | 0.981 |
| -0.1 | 255.0 | 9.47 | 1.37 |
| -0.1 | 285.0 | 8.56 | 1.05 |
| -0.1 | 315.0 | 7.98 | 0.829 |
| -0.1 | 345.0 | 5.0 | 0.594 |
| 0.1 | 15.0 | 4.57 | 0.547 |
| 0.1 | 45.0 | 7.01 | 0.754 |
| 0.1 | 75.0 | 10.2 | 1.2 |
| 0.1 | 105.0 | 6.95 | 1.16 |
| 0.1 | 135.0 | 6.6 | 1.01 |
| 0.1 | 165.0 | 4.61 | 0.627 |
| 0.1 | 195.0 | 4.69 | 0.631 |
| 0.1 | 225.0 | 5.58 | 1.03 |
| 0.1 | 255.0 | 10.4 | 1.48 |
| 0.1 | 285.0 | 8.86 | 1.06 |
| 0.1 | 315.0 | 7.1 | 0.71 |
| 0.1 | 345.0 | 3.83 | 0.485 |
| 0.3 | 15.0 | 3.86 | 0.522 |
| 0.3 | 45.0 | 6.05 | 0.666 |
| 0.3 | 75.0 | 8.28 | 1.02 |
| 0.3 | 105.0 | 10.1 | 1.59 |
| 0.3 | 135.0 | 6.09 | 1.11 |
| 0.3 | 165.0 | 4.91 | 0.739 |
| 0.3 | 195.0 | 5.03 | 0.671 |
| 0.3 | 225.0 | 5.83 | 1.08 |
| 0.3 | 255.0 | 9.28 | 1.42 |
| 0.3 | 285.0 | 8.06 | 1.0 |
| 0.3 | 315.0 | 4.49 | 0.575 |
| 0.3 | 345.0 | 4.41 | 0.558 |
| 0.5 | 15.0 | 4.09 | 0.571 |
| 0.5 | 45.0 | 4.3 | 0.536 |
| 0.5 | 75.0 | 7.3 | 0.954 |
| 0.5 | 105.0 | 6.76 | 1.14 |
| 0.5 | 135.0 | 6.5 | 1.1 |
| 0.5 | 165.0 | 5.31 | 0.772 |
| 0.5 | 195.0 | 5.88 | 0.853 |
| 0.5 | 225.0 | 5.57 | 1.04 |
| 0.5 | 255.0 | 10.2 | 1.56 |
| 0.5 | 285.0 | 7.7 | 1.07 |
| 0.5 | 315.0 | 6.28 | 0.7 |
| 0.5 | 345.0 | 2.66 | 0.39 |
| 0.7 | 15.0 | 3.09 | 0.455 |
| 0.7 | 45.0 | 3.93 | 0.56 |
| 0.7 | 75.0 | 5.93 | 0.864 |
| 0.7 | 105.0 | 5.65 | 0.955 |
| 0.7 | 135.0 | 7.02 | 1.09 |
| 0.7 | 165.0 | 4.75 | 0.678 |
| 0.7 | 195.0 | 6.39 | 0.887 |
| 0.7 | 225.0 | 5.02 | 0.833 |
| 0.7 | 255.0 | 4.21 | 0.803 |
| 0.7 | 285.0 | 6.95 | 0.984 |
| 0.7 | 315.0 | 4.66 | 0.611 |
| 0.7 | 345.0 | 1.98 | 0.332 |
| 0.9 | 15.0 | 2.8 | 0.508 |
| 0.9 | 45.0 | 2.57 | 0.442 |
| 0.9 | 75.0 | 3.46 | 0.567 |
| 0.9 | 105.0 | 3.69 | 0.615 |
| 0.9 | 135.0 | 5.35 | 0.971 |
| 0.9 | 165.0 | 4.49 | 0.789 |
| 0.9 | 195.0 | 4.29 | 0.717 |
| 0.9 | 225.0 | 6.77 | 1.18 |
| 0.9 | 255.0 | 4.22 | 0.755 |
| 0.9 | 285.0 | 4.17 | 0.736 |
| 0.9 | 315.0 | 4.62 | 0.75 |
| 0.9 | 345.0 | 3.12 | 0.583 |
Experiment comment: