Measurement E9M100
| 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: | 0.45 — 0.6 GeV2 | |
| W: | 1.52 GeV | |
| ε: | 0.517 | |
| 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 | 0.291 | 0.126 |
| -0.9 | 45.0 | 0.464 | 0.205 |
| -0.9 | 75.0 | 0.55 | 0.265 |
| -0.9 | 105.0 | 1.97 | 0.771 |
| -0.9 | 135.0 | 0.82 | 0.409 |
| -0.9 | 165.0 | 0.623 | 0.335 |
| -0.9 | 195.0 | 2.49 | 1.28 |
| -0.9 | 225.0 | 1.51 | 0.818 |
| -0.9 | 255.0 | 0.425 | 0.317 |
| -0.9 | 285.0 | 0.514 | 0.279 |
| -0.9 | 315.0 | 0.278 | 0.169 |
| -0.9 | 345.0 | 0.761 | 0.286 |
| -0.7 | 15.0 | 1.24 | 0.367 |
| -0.7 | 45.0 | 1.01 | 0.539 |
| -0.7 | 75.0 | 1.81 | 0.638 |
| -0.7 | 105.0 | 0.767 | 0.33 |
| -0.7 | 135.0 | 4.3 | 1.42 |
| -0.7 | 195.0 | 5.4 | 7.64 |
| -0.7 | 225.0 | 1.79 | 0.653 |
| -0.7 | 255.0 | 2.02 | 0.528 |
| -0.7 | 285.0 | 2.06 | 0.623 |
| -0.7 | 315.0 | 1.01 | 0.345 |
| -0.7 | 345.0 | 1.59 | 0.45 |
| -0.5 | 15.0 | 1.66 | 0.361 |
| -0.5 | 45.0 | 1.53 | 0.431 |
| -0.5 | 75.0 | 3.23 | 0.733 |
| -0.5 | 105.0 | 2.82 | 0.544 |
| -0.5 | 135.0 | 2.85 | 0.739 |
| -0.5 | 225.0 | 2.66 | 0.624 |
| -0.5 | 255.0 | 2.24 | 0.422 |
| -0.5 | 285.0 | 1.88 | 0.463 |
| -0.5 | 315.0 | 1.15 | 0.357 |
| -0.5 | 345.0 | 1.16 | 0.269 |
| -0.3 | 15.0 | 2.1 | 0.531 |
| -0.3 | 45.0 | 2.2 | 0.487 |
| -0.3 | 75.0 | 2.87 | 0.563 |
| -0.3 | 105.0 | 2.68 | 0.436 |
| -0.3 | 135.0 | 5.46 | 1.49 |
| -0.3 | 165.0 | 10.2 | 6.19 |
| -0.3 | 225.0 | 2.89 | 0.835 |
| -0.3 | 255.0 | 3.13 | 0.549 |
| -0.3 | 285.0 | 3.61 | 0.682 |
| -0.3 | 315.0 | 2.31 | 0.558 |
| -0.3 | 345.0 | 1.51 | 0.38 |
| -0.1 | 15.0 | 3.04 | 1.1 |
| -0.1 | 45.0 | 3.26 | 0.702 |
| -0.1 | 75.0 | 3.57 | 0.57 |
| -0.1 | 105.0 | 3.98 | 0.61 |
| -0.1 | 135.0 | 2.85 | 0.816 |
| -0.1 | 165.0 | 4.88 | 2.3 |
| -0.1 | 195.0 | 5.3 | 2.18 |
| -0.1 | 225.0 | 2.54 | 0.698 |
| -0.1 | 255.0 | 3.63 | 0.536 |
| -0.1 | 285.0 | 3.69 | 0.668 |
| -0.1 | 315.0 | 2.17 | 0.526 |
| -0.1 | 345.0 | 0.6 | 0.356 |
| 0.1 | 15.0 | 2.99 | 1.1 |
| 0.1 | 45.0 | 2.92 | 0.678 |
| 0.1 | 75.0 | 3.75 | 0.625 |
| 0.1 | 105.0 | 3.3 | 0.542 |
| 0.1 | 135.0 | 4.64 | 1.09 |
| 0.1 | 165.0 | 4.34 | 1.54 |
| 0.1 | 195.0 | 4.1 | 1.25 |
| 0.1 | 225.0 | 1.62 | 0.499 |
| 0.1 | 255.0 | 4.17 | 0.688 |
| 0.1 | 285.0 | 4.65 | 0.701 |
| 0.1 | 315.0 | 2.45 | 0.587 |
| 0.1 | 345.0 | 1.16 | 0.468 |
| 0.3 | 15.0 | 2.7 | 0.945 |
| 0.3 | 45.0 | 2.63 | 0.546 |
| 0.3 | 75.0 | 3.75 | 0.572 |
| 0.3 | 105.0 | 2.74 | 0.513 |
| 0.3 | 135.0 | 3.73 | 0.728 |
| 0.3 | 165.0 | 2.28 | 0.681 |
| 0.3 | 195.0 | 2.1 | 0.598 |
| 0.3 | 225.0 | 3.04 | 0.665 |
| 0.3 | 255.0 | 3.81 | 0.609 |
| 0.3 | 285.0 | 2.98 | 0.473 |
| 0.3 | 315.0 | 1.97 | 0.501 |
| 0.3 | 345.0 | 4.06 | 1.43 |
| 0.5 | 15.0 | 2.25 | 0.814 |
| 0.5 | 45.0 | 2.33 | 0.58 |
| 0.5 | 75.0 | 2.8 | 0.431 |
| 0.5 | 105.0 | 2.37 | 0.463 |
| 0.5 | 135.0 | 2.54 | 0.581 |
| 0.5 | 165.0 | 1.66 | 0.606 |
| 0.5 | 195.0 | 1.97 | 0.734 |
| 0.5 | 225.0 | 2.83 | 0.636 |
| 0.5 | 255.0 | 4.84 | 0.825 |
| 0.5 | 285.0 | 2.57 | 0.47 |
| 0.5 | 315.0 | 2.16 | 0.519 |
| 0.5 | 345.0 | 2.73 | 1.02 |
| 0.7 | 15.0 | 1.86 | 0.499 |
| 0.7 | 45.0 | 1.35 | 0.387 |
| 0.7 | 75.0 | 2.03 | 0.404 |
| 0.7 | 105.0 | 2.45 | 0.546 |
| 0.7 | 135.0 | 1.2 | 0.329 |
| 0.7 | 165.0 | 1.13 | 0.416 |
| 0.7 | 225.0 | 2.57 | 0.654 |
| 0.7 | 255.0 | 2.57 | 0.514 |
| 0.7 | 285.0 | 1.86 | 0.364 |
| 0.7 | 315.0 | 3.54 | 0.862 |
| 0.7 | 345.0 | 0.99 | 0.304 |
| 0.9 | 15.0 | 0.704 | 0.287 |
| 0.9 | 45.0 | 3.13 | 1.11 |
| 0.9 | 75.0 | 1.59 | 0.395 |
| 0.9 | 105.0 | 1.58 | 0.44 |
| 0.9 | 135.0 | 0.291 | 0.212 |
| 0.9 | 195.0 | 1.45 | 1.16 |
| 0.9 | 225.0 | 0.466 | 0.249 |
| 0.9 | 255.0 | 0.914 | 0.283 |
| 0.9 | 285.0 | 1.61 | 0.381 |
| 0.9 | 315.0 | 0.7 | 0.26 |
| 0.9 | 345.0 | 0.801 | 0.372 |
Experiment comment: