Measurement E9M151
| 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: | 1.12 GeV | |
| ε: | 0.667 | |
| 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 | 0.203 | 0.231 |
| -0.9 | 75.0 | 0.0734 | 0.053 |
| -0.9 | 105.0 | 0.438 | 0.26 |
| -0.9 | 135.0 | 4.24 | 3.73 |
| -0.9 | 165.0 | 0.912 | 1.04 |
| -0.9 | 195.0 | 0.854 | 0.593 |
| -0.9 | 225.0 | 1.06 | 0.648 |
| -0.9 | 255.0 | 0.798 | 0.902 |
| -0.9 | 285.0 | 0.141 | 0.15 |
| -0.9 | 315.0 | 0.309 | 0.266 |
| -0.9 | 345.0 | 0.694 | 0.94 |
| -0.7 | 15.0 | 0.0941 | 0.101 |
| -0.7 | 45.0 | 0.498 | 0.401 |
| -0.7 | 75.0 | 0.479 | 0.383 |
| -0.7 | 105.0 | 0.662 | 0.437 |
| -0.7 | 135.0 | 0.867 | 0.584 |
| -0.7 | 165.0 | 0.659 | 0.342 |
| -0.7 | 195.0 | 1.69 | 0.952 |
| -0.7 | 225.0 | 0.225 | 0.167 |
| -0.7 | 255.0 | 0.583 | 0.617 |
| -0.7 | 285.0 | 0.647 | 0.413 |
| -0.7 | 315.0 | 0.617 | 0.504 |
| -0.7 | 345.0 | 0.81 | 0.487 |
| -0.5 | 15.0 | 2.93 | 1.55 |
| -0.5 | 45.0 | 0.668 | 0.585 |
| -0.5 | 75.0 | 0.363 | 0.383 |
| -0.5 | 105.0 | 2.42 | 1.13 |
| -0.5 | 135.0 | 1.07 | 0.537 |
| -0.5 | 165.0 | 2.44 | 1.08 |
| -0.5 | 195.0 | 0.202 | 0.208 |
| -0.5 | 225.0 | 2.77 | 1.64 |
| -0.5 | 255.0 | 1.75 | 1.13 |
| -0.5 | 285.0 | 0.649 | 0.507 |
| -0.5 | 315.0 | 0.133 | 0.141 |
| -0.5 | 345.0 | 2.41 | 1.52 |
| -0.3 | 15.0 | 1.91 | 1.24 |
| -0.3 | 45.0 | 1.41 | 1.19 |
| -0.3 | 75.0 | 0.296 | 0.316 |
| -0.3 | 105.0 | 0.55 | 0.424 |
| -0.3 | 135.0 | 0.372 | 0.276 |
| -0.3 | 165.0 | 2.57 | 1.15 |
| -0.3 | 195.0 | 2.71 | 1.06 |
| -0.3 | 225.0 | 0.649 | 0.4 |
| -0.3 | 255.0 | 0.907 | 0.58 |
| -0.3 | 315.0 | 2.6 | 1.49 |
| -0.3 | 345.0 | 1.13 | 0.604 |
| -0.1 | 15.0 | 3.83 | 2.58 |
| -0.1 | 45.0 | 2.76 | 1.51 |
| -0.1 | 75.0 | 0.759 | 0.498 |
| -0.1 | 105.0 | 0.612 | 0.382 |
| -0.1 | 135.0 | 8.0 | 3.83 |
| -0.1 | 165.0 | 1.63 | 0.902 |
| -0.1 | 195.0 | 1.73 | 0.849 |
| -0.1 | 225.0 | 0.622 | 0.382 |
| -0.1 | 255.0 | 1.38 | 0.745 |
| -0.1 | 285.0 | 11.9 | 6.09 |
| -0.1 | 315.0 | 0.27 | 0.212 |
| -0.1 | 345.0 | 2.06 | 1.31 |
| 0.1 | 15.0 | 0.467 | 0.265 |
| 0.1 | 45.0 | 0.683 | 0.746 |
| 0.1 | 75.0 | 5.06 | 2.19 |
| 0.1 | 105.0 | 2.51 | 1.32 |
| 0.1 | 135.0 | 1.84 | 0.803 |
| 0.1 | 165.0 | 3.42 | 1.64 |
| 0.1 | 195.0 | 5.38 | 2.17 |
| 0.1 | 225.0 | 1.03 | 0.572 |
| 0.1 | 255.0 | 1.21 | 0.638 |
| 0.1 | 285.0 | 1.89 | 0.91 |
| 0.1 | 315.0 | 1.06 | 0.545 |
| 0.3 | 15.0 | 2.21 | 0.947 |
| 0.3 | 45.0 | 0.885 | 0.602 |
| 0.3 | 75.0 | 1.82 | 0.937 |
| 0.3 | 105.0 | 2.73 | 1.34 |
| 0.3 | 135.0 | 1.14 | 0.513 |
| 0.3 | 165.0 | 1.58 | 0.726 |
| 0.3 | 195.0 | 1.62 | 0.686 |
| 0.3 | 225.0 | 4.21 | 1.93 |
| 0.3 | 255.0 | 1.74 | 0.999 |
| 0.3 | 285.0 | 2.82 | 1.44 |
| 0.3 | 315.0 | 0.685 | 0.427 |
| 0.3 | 345.0 | 3.11 | 1.6 |
| 0.5 | 15.0 | 1.97 | 1.07 |
| 0.5 | 45.0 | 2.61 | 1.42 |
| 0.5 | 75.0 | 2.78 | 1.32 |
| 0.5 | 105.0 | 2.55 | 1.06 |
| 0.5 | 135.0 | 5.16 | 2.14 |
| 0.5 | 165.0 | 4.2 | 1.44 |
| 0.5 | 195.0 | 2.29 | 0.87 |
| 0.5 | 225.0 | 0.18 | 0.183 |
| 0.5 | 255.0 | 0.688 | 0.376 |
| 0.5 | 285.0 | 3.31 | 1.33 |
| 0.5 | 315.0 | 0.972 | 0.764 |
| 0.5 | 345.0 | 0.234 | 0.24 |
| 0.7 | 15.0 | 1.92 | 0.769 |
| 0.7 | 45.0 | 0.194 | 0.201 |
| 0.7 | 75.0 | 1.72 | 0.896 |
| 0.7 | 105.0 | 2.8 | 1.27 |
| 0.7 | 135.0 | 0.517 | 0.387 |
| 0.7 | 165.0 | 3.48 | 1.23 |
| 0.7 | 195.0 | 3.27 | 1.15 |
| 0.7 | 225.0 | 5.77 | 2.63 |
| 0.7 | 255.0 | 1.12 | 0.714 |
| 0.7 | 285.0 | 0.458 | 0.343 |
| 0.7 | 315.0 | 2.44 | 1.36 |
| 0.7 | 345.0 | 1.42 | 0.885 |
| 0.9 | 15.0 | 3.39 | 2.79 |
| 0.9 | 45.0 | 0.703 | 0.535 |
| 0.9 | 75.0 | 0.999 | 0.782 |
| 0.9 | 105.0 | 4.55 | 3.1 |
| 0.9 | 135.0 | 5.57 | 2.3 |
| 0.9 | 165.0 | 0.879 | 0.662 |
| 0.9 | 195.0 | 6.68 | 2.6 |
| 0.9 | 225.0 | 0.891 | 0.678 |
| 0.9 | 255.0 | 1.01 | 0.647 |
| 0.9 | 285.0 | 0.286 | 0.295 |
| 0.9 | 315.0 | 0.806 | 0.516 |
| 0.9 | 345.0 | 12.0 | 7.8 |
Experiment comment: