Measurement E9M195
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.12 GeV | |
| ε: | 0.886 | |
| 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 | 0.486 | 0.332 |
| -0.9 | 45.0 | 0.571 | 0.476 |
| -0.9 | 75.0 | 2.35 | 1.34 |
| -0.9 | 105.0 | 0.274 | 0.207 |
| -0.9 | 135.0 | 0.775 | 0.625 |
| -0.9 | 165.0 | 0.715 | 0.786 |
| -0.9 | 195.0 | 1.93 | 0.998 |
| -0.9 | 225.0 | 0.945 | 0.496 |
| -0.9 | 255.0 | 0.464 | 0.355 |
| -0.9 | 285.0 | 0.808 | 0.942 |
| -0.9 | 315.0 | 0.548 | 0.641 |
| -0.7 | 15.0 | 0.807 | 0.544 |
| -0.7 | 45.0 | 1.18 | 0.585 |
| -0.7 | 75.0 | 2.36 | 1.02 |
| -0.7 | 105.0 | 1.05 | 0.556 |
| -0.7 | 135.0 | 1.16 | 0.735 |
| -0.7 | 165.0 | 1.52 | 0.751 |
| -0.7 | 195.0 | 2.08 | 1.19 |
| -0.7 | 225.0 | 0.595 | 0.368 |
| -0.7 | 255.0 | 0.587 | 0.319 |
| -0.7 | 285.0 | 0.843 | 0.484 |
| -0.7 | 315.0 | 0.382 | 0.302 |
| -0.7 | 345.0 | 0.836 | 0.505 |
| -0.5 | 15.0 | 0.682 | 0.456 |
| -0.5 | 45.0 | 0.335 | 0.348 |
| -0.5 | 75.0 | 1.11 | 0.481 |
| -0.5 | 105.0 | 1.0 | 0.461 |
| -0.5 | 135.0 | 1.95 | 0.909 |
| -0.5 | 165.0 | 1.62 | 0.734 |
| -0.5 | 195.0 | 1.13 | 0.442 |
| -0.5 | 225.0 | 1.98 | 1.0 |
| -0.5 | 255.0 | 1.12 | 0.613 |
| -0.5 | 285.0 | 1.14 | 0.725 |
| -0.5 | 315.0 | 0.9 | 0.71 |
| -0.5 | 345.0 | 1.38 | 0.946 |
| -0.3 | 15.0 | 0.62 | 0.321 |
| -0.3 | 45.0 | 1.31 | 0.679 |
| -0.3 | 75.0 | 1.05 | 0.519 |
| -0.3 | 105.0 | 1.32 | 0.506 |
| -0.3 | 135.0 | 0.989 | 0.476 |
| -0.3 | 165.0 | 1.74 | 0.645 |
| -0.3 | 195.0 | 1.31 | 0.626 |
| -0.3 | 225.0 | 2.1 | 0.772 |
| -0.3 | 255.0 | 0.974 | 0.47 |
| -0.3 | 285.0 | 1.04 | 0.517 |
| -0.3 | 315.0 | 2.68 | 1.22 |
| -0.3 | 345.0 | 22.2 | 23.4 |
| -0.1 | 15.0 | 0.242 | 0.183 |
| -0.1 | 45.0 | 0.86 | 0.494 |
| -0.1 | 75.0 | 1.59 | 0.73 |
| -0.1 | 105.0 | 1.54 | 0.697 |
| -0.1 | 135.0 | 2.65 | 0.913 |
| -0.1 | 165.0 | 2.03 | 0.906 |
| -0.1 | 195.0 | 3.17 | 1.01 |
| -0.1 | 225.0 | 1.2 | 0.525 |
| -0.1 | 255.0 | 2.86 | 0.992 |
| -0.1 | 285.0 | 0.991 | 0.468 |
| -0.1 | 315.0 | 0.494 | 0.308 |
| -0.1 | 345.0 | 4.82 | 2.51 |
| 0.1 | 15.0 | 1.44 | 0.611 |
| 0.1 | 45.0 | 1.54 | 0.618 |
| 0.1 | 75.0 | 1.16 | 0.428 |
| 0.1 | 105.0 | 1.68 | 0.709 |
| 0.1 | 135.0 | 3.13 | 0.895 |
| 0.1 | 165.0 | 4.77 | 1.58 |
| 0.1 | 195.0 | 2.38 | 0.818 |
| 0.1 | 225.0 | 1.96 | 0.728 |
| 0.1 | 255.0 | 1.23 | 0.549 |
| 0.1 | 285.0 | 0.912 | 0.564 |
| 0.1 | 315.0 | 0.383 | 0.236 |
| 0.1 | 345.0 | 2.59 | 1.18 |
| 0.3 | 15.0 | 1.86 | 0.826 |
| 0.3 | 45.0 | 0.818 | 0.386 |
| 0.3 | 75.0 | 1.28 | 0.638 |
| 0.3 | 105.0 | 2.3 | 0.72 |
| 0.3 | 135.0 | 1.37 | 0.56 |
| 0.3 | 165.0 | 1.19 | 0.484 |
| 0.3 | 195.0 | 2.86 | 0.85 |
| 0.3 | 225.0 | 2.5 | 0.988 |
| 0.3 | 255.0 | 3.59 | 1.09 |
| 0.3 | 285.0 | 2.84 | 1.22 |
| 0.3 | 315.0 | 2.34 | 1.0 |
| 0.3 | 345.0 | 1.69 | 0.987 |
| 0.5 | 15.0 | 1.34 | 0.589 |
| 0.5 | 45.0 | 3.56 | 1.35 |
| 0.5 | 75.0 | 2.28 | 0.928 |
| 0.5 | 105.0 | 1.05 | 0.504 |
| 0.5 | 135.0 | 2.56 | 1.04 |
| 0.5 | 165.0 | 3.17 | 1.12 |
| 0.5 | 195.0 | 2.85 | 0.902 |
| 0.5 | 225.0 | 3.77 | 1.14 |
| 0.5 | 255.0 | 1.88 | 0.643 |
| 0.5 | 285.0 | 0.776 | 0.421 |
| 0.5 | 315.0 | 1.18 | 0.492 |
| 0.5 | 345.0 | 0.794 | 0.437 |
| 0.7 | 15.0 | 1.0 | 0.52 |
| 0.7 | 45.0 | 1.55 | 0.579 |
| 0.7 | 75.0 | 0.722 | 0.345 |
| 0.7 | 105.0 | 1.62 | 0.611 |
| 0.7 | 135.0 | 4.14 | 1.33 |
| 0.7 | 165.0 | 4.12 | 1.4 |
| 0.7 | 195.0 | 2.75 | 1.03 |
| 0.7 | 225.0 | 1.69 | 0.664 |
| 0.7 | 255.0 | 2.18 | 0.89 |
| 0.7 | 285.0 | 2.73 | 1.01 |
| 0.7 | 315.0 | 3.63 | 1.71 |
| 0.7 | 345.0 | 3.59 | 1.66 |
| 0.9 | 15.0 | 1.05 | 0.841 |
| 0.9 | 45.0 | 3.46 | 1.44 |
| 0.9 | 75.0 | 1.28 | 0.626 |
| 0.9 | 105.0 | 3.2 | 1.15 |
| 0.9 | 135.0 | 1.54 | 0.696 |
| 0.9 | 165.0 | 2.93 | 0.957 |
| 0.9 | 195.0 | 5.01 | 1.85 |
| 0.9 | 225.0 | 2.89 | 1.35 |
| 0.9 | 255.0 | 2.63 | 1.08 |
| 0.9 | 285.0 | 4.02 | 1.5 |
| 0.9 | 315.0 | 3.58 | 1.63 |
| 0.9 | 345.0 | 2.87 | 1.3 |
Experiment comment: