Measurement E9M15
| 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: | 1.38 GeV | |
| ε: | 0.736 | |
| 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 | 0.372 | 0.165 |
| -0.9 | 45.0 | 0.698 | 0.291 |
| -0.9 | 75.0 | 0.999 | 0.373 |
| -0.9 | 105.0 | 2.96 | 1.39 |
| -0.9 | 135.0 | 0.8 | 0.448 |
| -0.9 | 165.0 | 1.81 | 0.777 |
| -0.9 | 195.0 | 0.857 | 0.426 |
| -0.9 | 225.0 | 0.477 | 0.252 |
| -0.9 | 255.0 | 1.51 | 0.761 |
| -0.9 | 285.0 | 0.45 | 0.215 |
| -0.9 | 315.0 | 0.582 | 0.285 |
| -0.9 | 345.0 | 0.593 | 0.268 |
| -0.7 | 15.0 | 1.15 | 0.324 |
| -0.7 | 45.0 | 1.35 | 0.404 |
| -0.7 | 75.0 | 2.11 | 0.643 |
| -0.7 | 105.0 | 6.47 | 2.43 |
| -0.7 | 165.0 | 2.51 | 1.07 |
| -0.7 | 195.0 | 2.25 | 1.12 |
| -0.7 | 225.0 | 2.19 | 1.1 |
| -0.7 | 255.0 | 1.78 | 0.783 |
| -0.7 | 285.0 | 1.29 | 0.481 |
| -0.7 | 315.0 | 1.56 | 0.405 |
| -0.7 | 345.0 | 0.948 | 0.3 |
| -0.5 | 15.0 | 1.17 | 0.27 |
| -0.5 | 45.0 | 3.19 | 0.687 |
| -0.5 | 75.0 | 3.55 | 1.12 |
| -0.5 | 105.0 | 2.75 | 0.758 |
| -0.5 | 135.0 | 1.45 | 0.493 |
| -0.5 | 165.0 | 5.29 | 3.36 |
| -0.5 | 195.0 | 6.03 | 4.62 |
| -0.5 | 225.0 | 3.1 | 1.07 |
| -0.5 | 255.0 | 3.86 | 1.11 |
| -0.5 | 285.0 | 5.47 | 1.55 |
| -0.5 | 315.0 | 2.69 | 0.59 |
| -0.5 | 345.0 | 1.82 | 0.395 |
| -0.3 | 15.0 | 2.43 | 0.396 |
| -0.3 | 45.0 | 4.22 | 0.797 |
| -0.3 | 75.0 | 3.52 | 0.856 |
| -0.3 | 105.0 | 4.2 | 0.761 |
| -0.3 | 135.0 | 3.29 | 0.677 |
| -0.3 | 165.0 | 10.7 | 6.83 |
| -0.3 | 195.0 | 1.55 | 1.01 |
| -0.3 | 225.0 | 4.27 | 0.832 |
| -0.3 | 255.0 | 3.56 | 0.659 |
| -0.3 | 285.0 | 4.24 | 1.01 |
| -0.3 | 315.0 | 2.75 | 0.638 |
| -0.3 | 345.0 | 1.89 | 0.347 |
| -0.1 | 15.0 | 2.43 | 0.398 |
| -0.1 | 45.0 | 4.69 | 0.894 |
| -0.1 | 75.0 | 3.82 | 0.753 |
| -0.1 | 105.0 | 3.94 | 0.682 |
| -0.1 | 135.0 | 4.03 | 0.736 |
| -0.1 | 165.0 | 2.28 | 1.83 |
| -0.1 | 195.0 | 1.91 | 1.24 |
| -0.1 | 225.0 | 5.2 | 0.921 |
| -0.1 | 255.0 | 7.21 | 1.02 |
| -0.1 | 285.0 | 7.19 | 1.42 |
| -0.1 | 315.0 | 3.02 | 0.624 |
| -0.1 | 345.0 | 2.41 | 0.465 |
| 0.1 | 15.0 | 2.22 | 0.41 |
| 0.1 | 45.0 | 2.92 | 0.615 |
| 0.1 | 75.0 | 4.39 | 0.778 |
| 0.1 | 105.0 | 5.0 | 0.789 |
| 0.1 | 135.0 | 4.44 | 0.928 |
| 0.1 | 165.0 | 6.66 | 9.42 |
| 0.1 | 195.0 | 1.9 | 2.08 |
| 0.1 | 225.0 | 6.14 | 1.21 |
| 0.1 | 255.0 | 3.73 | 0.675 |
| 0.1 | 285.0 | 5.32 | 0.95 |
| 0.1 | 315.0 | 3.11 | 0.694 |
| 0.1 | 345.0 | 2.66 | 0.473 |
| 0.3 | 15.0 | 3.93 | 0.644 |
| 0.3 | 45.0 | 2.41 | 0.553 |
| 0.3 | 75.0 | 3.18 | 0.57 |
| 0.3 | 105.0 | 4.83 | 0.837 |
| 0.3 | 135.0 | 4.37 | 1.07 |
| 0.3 | 225.0 | 2.71 | 0.699 |
| 0.3 | 255.0 | 3.59 | 0.653 |
| 0.3 | 285.0 | 3.12 | 0.581 |
| 0.3 | 315.0 | 3.82 | 0.757 |
| 0.3 | 345.0 | 3.33 | 0.551 |
| 0.5 | 15.0 | 2.91 | 0.551 |
| 0.5 | 45.0 | 3.14 | 0.668 |
| 0.5 | 75.0 | 3.4 | 0.623 |
| 0.5 | 105.0 | 3.19 | 0.629 |
| 0.5 | 135.0 | 2.68 | 0.78 |
| 0.5 | 165.0 | 2.32 | 2.68 |
| 0.5 | 225.0 | 3.51 | 1.08 |
| 0.5 | 255.0 | 1.93 | 0.421 |
| 0.5 | 285.0 | 2.98 | 0.607 |
| 0.5 | 315.0 | 2.96 | 0.671 |
| 0.5 | 345.0 | 1.88 | 0.343 |
| 0.7 | 15.0 | 1.67 | 0.329 |
| 0.7 | 45.0 | 3.28 | 0.78 |
| 0.7 | 75.0 | 1.44 | 0.335 |
| 0.7 | 105.0 | 1.85 | 0.466 |
| 0.7 | 135.0 | 1.22 | 0.772 |
| 0.7 | 165.0 | 5.09 | 7.21 |
| 0.7 | 195.0 | 2.12 | 2.6 |
| 0.7 | 225.0 | 1.4 | 0.524 |
| 0.7 | 255.0 | 1.4 | 0.325 |
| 0.7 | 285.0 | 2.26 | 0.469 |
| 0.7 | 315.0 | 1.57 | 0.398 |
| 0.7 | 345.0 | 2.1 | 0.424 |
| 0.9 | 15.0 | 0.885 | 0.247 |
| 0.9 | 45.0 | 1.56 | 0.453 |
| 0.9 | 75.0 | 1.25 | 0.456 |
| 0.9 | 105.0 | 1.88 | 0.558 |
| 0.9 | 135.0 | 2.51 | 1.07 |
| 0.9 | 165.0 | 0.553 | 0.607 |
| 0.9 | 195.0 | 0.503 | 0.564 |
| 0.9 | 225.0 | 0.51 | 0.313 |
| 0.9 | 255.0 | 1.63 | 0.624 |
| 0.9 | 285.0 | 2.13 | 0.69 |
| 0.9 | 315.0 | 2.09 | 0.64 |
| 0.9 | 345.0 | 0.747 | 0.257 |
Experiment comment: