Measurement E9M177
| 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: | 1.36 GeV | |
| ε: | 0.842 | |
| 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 | 0.853 | 0.361 |
| -0.9 | 45.0 | 0.597 | 0.293 |
| -0.9 | 75.0 | 0.898 | 0.377 |
| -0.9 | 105.0 | 1.03 | 0.44 |
| -0.9 | 135.0 | 0.64 | 0.217 |
| -0.9 | 165.0 | 0.299 | 0.182 |
| -0.9 | 195.0 | 1.3 | 0.433 |
| -0.9 | 225.0 | 1.15 | 0.444 |
| -0.9 | 255.0 | 1.61 | 0.625 |
| -0.9 | 285.0 | 1.4 | 0.513 |
| -0.9 | 315.0 | 0.753 | 0.304 |
| -0.9 | 345.0 | 0.417 | 0.204 |
| -0.7 | 15.0 | 0.989 | 0.285 |
| -0.7 | 45.0 | 1.28 | 0.367 |
| -0.7 | 75.0 | 1.45 | 0.472 |
| -0.7 | 105.0 | 3.1 | 0.827 |
| -0.7 | 135.0 | 2.26 | 0.734 |
| -0.7 | 165.0 | 1.38 | 0.395 |
| -0.7 | 195.0 | 3.27 | 0.944 |
| -0.7 | 225.0 | 2.46 | 0.757 |
| -0.7 | 255.0 | 1.05 | 0.373 |
| -0.7 | 285.0 | 1.23 | 0.366 |
| -0.7 | 315.0 | 1.3 | 0.344 |
| -0.7 | 345.0 | 1.09 | 0.284 |
| -0.5 | 15.0 | 2.18 | 0.464 |
| -0.5 | 45.0 | 2.05 | 0.431 |
| -0.5 | 75.0 | 4.22 | 1.1 |
| -0.5 | 105.0 | 4.12 | 1.92 |
| -0.5 | 135.0 | 5.88 | 2.8 |
| -0.5 | 165.0 | 0.91 | 0.307 |
| -0.5 | 195.0 | 1.32 | 0.49 |
| -0.5 | 225.0 | 2.05 | 1.32 |
| -0.5 | 255.0 | 2.35 | 1.29 |
| -0.5 | 285.0 | 3.1 | 0.748 |
| -0.5 | 315.0 | 2.1 | 0.446 |
| -0.5 | 345.0 | 1.71 | 0.355 |
| -0.3 | 15.0 | 1.22 | 0.266 |
| -0.3 | 45.0 | 2.81 | 0.504 |
| -0.3 | 75.0 | 4.26 | 1.59 |
| -0.3 | 105.0 | 6.56 | 3.29 |
| -0.3 | 165.0 | 2.15 | 0.817 |
| -0.3 | 195.0 | 2.09 | 0.993 |
| -0.3 | 225.0 | 5.95 | 3.85 |
| -0.3 | 255.0 | 4.48 | 2.08 |
| -0.3 | 285.0 | 3.76 | 1.16 |
| -0.3 | 315.0 | 2.08 | 0.386 |
| -0.3 | 345.0 | 1.33 | 0.269 |
| -0.1 | 15.0 | 2.74 | 0.53 |
| -0.1 | 45.0 | 2.33 | 0.452 |
| -0.1 | 75.0 | 3.31 | 1.22 |
| -0.1 | 105.0 | 4.52 | 1.13 |
| -0.1 | 135.0 | 4.95 | 1.56 |
| -0.1 | 165.0 | 2.93 | 1.22 |
| -0.1 | 195.0 | 1.19 | 0.921 |
| -0.1 | 225.0 | 5.55 | 1.71 |
| -0.1 | 255.0 | 4.14 | 1.4 |
| -0.1 | 285.0 | 3.09 | 1.02 |
| -0.1 | 315.0 | 4.16 | 0.653 |
| -0.1 | 345.0 | 2.05 | 0.421 |
| 0.1 | 15.0 | 2.72 | 0.548 |
| 0.1 | 45.0 | 3.4 | 0.574 |
| 0.1 | 75.0 | 3.11 | 1.04 |
| 0.1 | 105.0 | 5.8 | 1.09 |
| 0.1 | 135.0 | 4.48 | 1.12 |
| 0.1 | 165.0 | 5.23 | 3.52 |
| 0.1 | 195.0 | 0.683 | 0.738 |
| 0.1 | 225.0 | 2.86 | 0.745 |
| 0.1 | 255.0 | 5.39 | 1.14 |
| 0.1 | 285.0 | 3.57 | 1.2 |
| 0.1 | 315.0 | 3.65 | 0.656 |
| 0.1 | 345.0 | 2.39 | 0.492 |
| 0.3 | 15.0 | 2.47 | 0.456 |
| 0.3 | 45.0 | 2.61 | 0.514 |
| 0.3 | 75.0 | 3.25 | 0.992 |
| 0.3 | 105.0 | 3.93 | 0.75 |
| 0.3 | 135.0 | 4.61 | 0.983 |
| 0.3 | 165.0 | 7.96 | 4.56 |
| 0.3 | 195.0 | 0.97 | 1.06 |
| 0.3 | 225.0 | 2.5 | 0.592 |
| 0.3 | 255.0 | 3.07 | 0.681 |
| 0.3 | 285.0 | 5.57 | 1.67 |
| 0.3 | 315.0 | 3.77 | 0.666 |
| 0.3 | 345.0 | 1.69 | 0.404 |
| 0.5 | 15.0 | 2.35 | 0.452 |
| 0.5 | 45.0 | 1.41 | 0.367 |
| 0.5 | 75.0 | 2.26 | 0.687 |
| 0.5 | 105.0 | 3.52 | 0.741 |
| 0.5 | 135.0 | 2.01 | 0.526 |
| 0.5 | 165.0 | 4.68 | 3.32 |
| 0.5 | 195.0 | 1.34 | 1.08 |
| 0.5 | 225.0 | 2.58 | 0.737 |
| 0.5 | 255.0 | 3.11 | 0.847 |
| 0.5 | 285.0 | 2.01 | 0.723 |
| 0.5 | 315.0 | 2.05 | 0.432 |
| 0.5 | 345.0 | 2.39 | 0.516 |
| 0.7 | 15.0 | 1.15 | 0.3 |
| 0.7 | 45.0 | 1.52 | 0.438 |
| 0.7 | 75.0 | 1.7 | 0.652 |
| 0.7 | 105.0 | 3.28 | 1.08 |
| 0.7 | 135.0 | 1.56 | 0.425 |
| 0.7 | 165.0 | 1.17 | 0.773 |
| 0.7 | 195.0 | 2.91 | 2.23 |
| 0.7 | 225.0 | 4.01 | 1.52 |
| 0.7 | 255.0 | 2.92 | 0.848 |
| 0.7 | 285.0 | 4.28 | 1.64 |
| 0.7 | 315.0 | 2.58 | 0.652 |
| 0.7 | 345.0 | 1.88 | 0.458 |
| 0.9 | 15.0 | 1.49 | 0.452 |
| 0.9 | 45.0 | 0.726 | 0.289 |
| 0.9 | 75.0 | 0.785 | 0.329 |
| 0.9 | 105.0 | 0.478 | 0.308 |
| 0.9 | 135.0 | 3.71 | 2.16 |
| 0.9 | 165.0 | 0.677 | 0.326 |
| 0.9 | 195.0 | 4.05 | 2.21 |
| 0.9 | 225.0 | 1.06 | 0.722 |
| 0.9 | 255.0 | 1.48 | 0.658 |
| 0.9 | 285.0 | 0.878 | 0.42 |
| 0.9 | 315.0 | 1.65 | 0.465 |
| 0.9 | 345.0 | 0.724 | 0.281 |
Experiment comment: