Measurement E9M176
| 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: | 1.34 GeV | |
| ε: | 0.849 | |
| 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 | 0.813 | 0.366 |
| -0.9 | 45.0 | 1.33 | 0.422 |
| -0.9 | 75.0 | 1.15 | 0.43 |
| -0.9 | 105.0 | 1.48 | 0.47 |
| -0.9 | 135.0 | 1.04 | 0.391 |
| -0.9 | 165.0 | 2.28 | 0.599 |
| -0.9 | 195.0 | 1.13 | 0.41 |
| -0.9 | 225.0 | 2.17 | 0.666 |
| -0.9 | 255.0 | 1.33 | 0.413 |
| -0.9 | 285.0 | 0.488 | 0.257 |
| -0.9 | 315.0 | 2.54 | 0.907 |
| -0.9 | 345.0 | 1.29 | 0.433 |
| -0.7 | 15.0 | 1.57 | 0.399 |
| -0.7 | 45.0 | 3.34 | 0.689 |
| -0.7 | 75.0 | 1.88 | 0.485 |
| -0.7 | 105.0 | 1.91 | 0.586 |
| -0.7 | 135.0 | 2.14 | 0.566 |
| -0.7 | 165.0 | 1.18 | 0.35 |
| -0.7 | 195.0 | 1.94 | 0.527 |
| -0.7 | 225.0 | 2.74 | 0.648 |
| -0.7 | 255.0 | 2.12 | 0.679 |
| -0.7 | 285.0 | 3.69 | 0.763 |
| -0.7 | 315.0 | 2.4 | 0.576 |
| -0.7 | 345.0 | 1.72 | 0.429 |
| -0.5 | 15.0 | 2.57 | 0.488 |
| -0.5 | 45.0 | 2.96 | 0.527 |
| -0.5 | 75.0 | 3.42 | 0.771 |
| -0.5 | 105.0 | 6.21 | 1.96 |
| -0.5 | 135.0 | 4.74 | 1.94 |
| -0.5 | 165.0 | 2.65 | 0.734 |
| -0.5 | 195.0 | 1.71 | 0.49 |
| -0.5 | 225.0 | 6.94 | 2.46 |
| -0.5 | 255.0 | 3.56 | 1.26 |
| -0.5 | 285.0 | 4.74 | 1.02 |
| -0.5 | 315.0 | 3.85 | 0.652 |
| -0.5 | 345.0 | 1.92 | 0.417 |
| -0.3 | 15.0 | 2.26 | 0.42 |
| -0.3 | 45.0 | 3.52 | 0.544 |
| -0.3 | 75.0 | 3.48 | 0.986 |
| -0.3 | 105.0 | 1.28 | 0.947 |
| -0.3 | 135.0 | 2.21 | 1.7 |
| -0.3 | 165.0 | 2.38 | 0.838 |
| -0.3 | 195.0 | 1.58 | 0.55 |
| -0.3 | 225.0 | 10.8 | 6.02 |
| -0.3 | 255.0 | 3.45 | 1.87 |
| -0.3 | 285.0 | 3.96 | 1.02 |
| -0.3 | 315.0 | 2.98 | 0.502 |
| -0.3 | 345.0 | 2.91 | 0.493 |
| -0.1 | 15.0 | 2.1 | 0.418 |
| -0.1 | 45.0 | 3.72 | 0.591 |
| -0.1 | 75.0 | 5.28 | 1.49 |
| -0.1 | 105.0 | 2.98 | 1.14 |
| -0.1 | 135.0 | 2.52 | 1.13 |
| -0.1 | 165.0 | 2.25 | 0.94 |
| -0.1 | 195.0 | 5.89 | 2.54 |
| -0.1 | 225.0 | 4.64 | 2.23 |
| -0.1 | 255.0 | 5.18 | 1.77 |
| -0.1 | 285.0 | 5.43 | 1.41 |
| -0.1 | 315.0 | 5.17 | 0.787 |
| -0.1 | 345.0 | 2.09 | 0.402 |
| 0.1 | 15.0 | 2.57 | 0.508 |
| 0.1 | 45.0 | 3.08 | 0.546 |
| 0.1 | 75.0 | 5.69 | 1.85 |
| 0.1 | 105.0 | 7.41 | 1.7 |
| 0.1 | 135.0 | 4.33 | 1.21 |
| 0.1 | 165.0 | 4.44 | 2.16 |
| 0.1 | 195.0 | 4.25 | 2.5 |
| 0.1 | 225.0 | 6.06 | 1.78 |
| 0.1 | 255.0 | 6.58 | 1.43 |
| 0.1 | 285.0 | 5.72 | 1.57 |
| 0.1 | 315.0 | 3.69 | 0.578 |
| 0.1 | 345.0 | 2.35 | 0.459 |
| 0.3 | 15.0 | 2.17 | 0.416 |
| 0.3 | 45.0 | 2.9 | 0.532 |
| 0.3 | 75.0 | 2.77 | 0.951 |
| 0.3 | 105.0 | 5.28 | 1.15 |
| 0.3 | 135.0 | 4.81 | 1.17 |
| 0.3 | 165.0 | 5.86 | 4.79 |
| 0.3 | 195.0 | 2.15 | 1.23 |
| 0.3 | 225.0 | 3.84 | 1.14 |
| 0.3 | 255.0 | 6.32 | 1.34 |
| 0.3 | 285.0 | 3.86 | 1.16 |
| 0.3 | 315.0 | 2.29 | 0.427 |
| 0.3 | 345.0 | 1.93 | 0.39 |
| 0.5 | 15.0 | 1.11 | 0.276 |
| 0.5 | 45.0 | 2.46 | 0.47 |
| 0.5 | 75.0 | 2.51 | 0.856 |
| 0.5 | 105.0 | 2.87 | 0.597 |
| 0.5 | 135.0 | 5.87 | 1.41 |
| 0.5 | 195.0 | 4.68 | 3.58 |
| 0.5 | 225.0 | 3.21 | 0.793 |
| 0.5 | 255.0 | 4.49 | 0.98 |
| 0.5 | 285.0 | 2.66 | 0.802 |
| 0.5 | 315.0 | 3.37 | 0.643 |
| 0.5 | 345.0 | 2.07 | 0.495 |
| 0.7 | 15.0 | 2.03 | 0.489 |
| 0.7 | 45.0 | 2.92 | 0.625 |
| 0.7 | 75.0 | 1.74 | 0.652 |
| 0.7 | 105.0 | 2.32 | 0.671 |
| 0.7 | 135.0 | 1.78 | 0.748 |
| 0.7 | 165.0 | 3.69 | 2.12 |
| 0.7 | 195.0 | 0.73 | 0.469 |
| 0.7 | 225.0 | 1.39 | 0.48 |
| 0.7 | 255.0 | 2.6 | 0.789 |
| 0.7 | 285.0 | 2.11 | 0.735 |
| 0.7 | 315.0 | 1.95 | 0.463 |
| 0.7 | 345.0 | 1.06 | 0.301 |
| 0.9 | 15.0 | 1.1 | 0.331 |
| 0.9 | 45.0 | 1.37 | 0.379 |
| 0.9 | 75.0 | 1.26 | 0.467 |
| 0.9 | 105.0 | 1.71 | 0.662 |
| 0.9 | 135.0 | 0.614 | 0.339 |
| 0.9 | 165.0 | 1.55 | 0.782 |
| 0.9 | 195.0 | 2.38 | 1.12 |
| 0.9 | 225.0 | 5.2 | 4.51 |
| 0.9 | 255.0 | 1.17 | 0.404 |
| 0.9 | 285.0 | 1.12 | 0.365 |
| 0.9 | 315.0 | 1.5 | 0.447 |
| 0.9 | 345.0 | 2.01 | 0.634 |
Experiment comment: