Measurement E9M40
| 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: | 1.3 — 1.6 GeV2 | |
| W: | 1.28 GeV | |
| ε: | 0.659 | |
| 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 | 2.58 | 0.868 |
| -0.9 | 45.0 | 1.41 | 0.453 |
| -0.9 | 75.0 | 1.12 | 0.41 |
| -0.9 | 105.0 | 1.12 | 0.379 |
| -0.9 | 135.0 | 1.87 | 0.63 |
| -0.9 | 165.0 | 1.5 | 0.548 |
| -0.9 | 195.0 | 0.465 | 0.188 |
| -0.9 | 225.0 | 0.814 | 0.279 |
| -0.9 | 255.0 | 1.86 | 0.536 |
| -0.9 | 285.0 | 2.03 | 0.653 |
| -0.9 | 315.0 | 1.31 | 0.401 |
| -0.9 | 345.0 | 1.0 | 0.32 |
| -0.7 | 15.0 | 2.26 | 0.59 |
| -0.7 | 45.0 | 1.31 | 0.341 |
| -0.7 | 75.0 | 2.65 | 0.62 |
| -0.7 | 105.0 | 1.79 | 0.539 |
| -0.7 | 135.0 | 2.3 | 0.734 |
| -0.7 | 165.0 | 0.657 | 0.247 |
| -0.7 | 195.0 | 0.418 | 0.164 |
| -0.7 | 225.0 | 1.02 | 0.321 |
| -0.7 | 255.0 | 2.01 | 0.49 |
| -0.7 | 285.0 | 2.06 | 0.599 |
| -0.7 | 315.0 | 1.57 | 0.378 |
| -0.7 | 345.0 | 1.29 | 0.363 |
| -0.5 | 15.0 | 1.2 | 0.287 |
| -0.5 | 45.0 | 1.77 | 0.432 |
| -0.5 | 75.0 | 2.2 | 0.502 |
| -0.5 | 105.0 | 2.43 | 0.617 |
| -0.5 | 135.0 | 2.38 | 0.669 |
| -0.5 | 165.0 | 1.58 | 0.503 |
| -0.5 | 195.0 | 1.43 | 0.39 |
| -0.5 | 225.0 | 1.04 | 0.347 |
| -0.5 | 255.0 | 1.82 | 0.464 |
| -0.5 | 285.0 | 1.81 | 0.444 |
| -0.5 | 315.0 | 1.5 | 0.39 |
| -0.5 | 345.0 | 1.33 | 0.316 |
| -0.3 | 15.0 | 1.84 | 0.406 |
| -0.3 | 45.0 | 3.39 | 0.683 |
| -0.3 | 75.0 | 5.58 | 1.12 |
| -0.3 | 105.0 | 4.15 | 0.927 |
| -0.3 | 135.0 | 2.22 | 0.689 |
| -0.3 | 165.0 | 1.32 | 0.348 |
| -0.3 | 195.0 | 1.59 | 0.493 |
| -0.3 | 225.0 | 1.4 | 0.421 |
| -0.3 | 255.0 | 3.85 | 0.876 |
| -0.3 | 285.0 | 3.64 | 0.932 |
| -0.3 | 315.0 | 3.11 | 0.626 |
| -0.3 | 345.0 | 1.45 | 0.337 |
| -0.1 | 15.0 | 1.51 | 0.358 |
| -0.1 | 45.0 | 1.72 | 0.384 |
| -0.1 | 75.0 | 2.71 | 0.71 |
| -0.1 | 105.0 | 2.83 | 0.66 |
| -0.1 | 135.0 | 5.98 | 1.47 |
| -0.1 | 165.0 | 2.56 | 0.781 |
| -0.1 | 195.0 | 1.27 | 0.357 |
| -0.1 | 225.0 | 2.81 | 0.84 |
| -0.1 | 255.0 | 3.29 | 0.817 |
| -0.1 | 285.0 | 6.57 | 1.43 |
| -0.1 | 315.0 | 2.66 | 0.592 |
| -0.1 | 345.0 | 1.37 | 0.309 |
| 0.1 | 15.0 | 2.93 | 0.658 |
| 0.1 | 45.0 | 2.16 | 0.439 |
| 0.1 | 75.0 | 3.29 | 0.714 |
| 0.1 | 105.0 | 4.4 | 1.01 |
| 0.1 | 135.0 | 3.87 | 1.2 |
| 0.1 | 165.0 | 1.86 | 0.489 |
| 0.1 | 195.0 | 4.09 | 1.07 |
| 0.1 | 225.0 | 1.99 | 0.558 |
| 0.1 | 255.0 | 3.71 | 0.939 |
| 0.1 | 285.0 | 2.96 | 0.61 |
| 0.1 | 315.0 | 1.78 | 0.406 |
| 0.1 | 345.0 | 2.26 | 0.441 |
| 0.3 | 15.0 | 2.11 | 0.431 |
| 0.3 | 45.0 | 1.69 | 0.425 |
| 0.3 | 75.0 | 2.87 | 0.642 |
| 0.3 | 105.0 | 3.29 | 0.782 |
| 0.3 | 135.0 | 1.93 | 0.583 |
| 0.3 | 165.0 | 3.01 | 0.761 |
| 0.3 | 195.0 | 0.898 | 0.278 |
| 0.3 | 225.0 | 2.39 | 0.744 |
| 0.3 | 255.0 | 1.86 | 0.527 |
| 0.3 | 285.0 | 3.02 | 0.743 |
| 0.3 | 315.0 | 2.43 | 0.553 |
| 0.3 | 345.0 | 1.56 | 0.337 |
| 0.5 | 15.0 | 1.33 | 0.336 |
| 0.5 | 45.0 | 1.58 | 0.386 |
| 0.5 | 75.0 | 2.79 | 0.656 |
| 0.5 | 105.0 | 3.51 | 0.96 |
| 0.5 | 135.0 | 6.16 | 2.11 |
| 0.5 | 165.0 | 1.97 | 0.63 |
| 0.5 | 195.0 | 1.13 | 0.375 |
| 0.5 | 225.0 | 3.89 | 1.29 |
| 0.5 | 255.0 | 2.45 | 0.625 |
| 0.5 | 285.0 | 3.17 | 0.724 |
| 0.5 | 315.0 | 1.84 | 0.448 |
| 0.5 | 345.0 | 1.07 | 0.264 |
| 0.7 | 15.0 | 1.14 | 0.333 |
| 0.7 | 45.0 | 1.18 | 0.325 |
| 0.7 | 75.0 | 2.95 | 0.76 |
| 0.7 | 105.0 | 1.86 | 0.515 |
| 0.7 | 135.0 | 0.95 | 0.327 |
| 0.7 | 165.0 | 3.11 | 0.859 |
| 0.7 | 195.0 | 2.14 | 0.615 |
| 0.7 | 225.0 | 4.26 | 1.37 |
| 0.7 | 255.0 | 3.12 | 0.835 |
| 0.7 | 285.0 | 2.36 | 0.626 |
| 0.7 | 315.0 | 2.01 | 0.565 |
| 0.7 | 345.0 | 0.928 | 0.303 |
| 0.9 | 15.0 | 0.907 | 0.354 |
| 0.9 | 45.0 | 0.408 | 0.177 |
| 0.9 | 75.0 | 2.27 | 0.818 |
| 0.9 | 105.0 | 1.37 | 0.455 |
| 0.9 | 135.0 | 3.23 | 1.15 |
| 0.9 | 165.0 | 2.32 | 0.813 |
| 0.9 | 195.0 | 1.93 | 0.585 |
| 0.9 | 225.0 | 2.57 | 0.848 |
| 0.9 | 255.0 | 1.51 | 0.46 |
| 0.9 | 285.0 | 2.69 | 0.921 |
| 0.9 | 315.0 | 1.56 | 0.588 |
| 0.9 | 345.0 | 1.62 | 0.568 |
Experiment comment: