Measurement E9M109
| 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: | 1.12 GeV | |
| ε: | 0.776 | |
| 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 | 0.0904 | 0.0979 |
| -0.9 | 75.0 | 0.382 | 0.426 |
| -0.9 | 105.0 | 0.943 | 0.752 |
| -0.9 | 135.0 | 0.547 | 0.583 |
| -0.9 | 165.0 | 0.289 | 0.303 |
| -0.9 | 195.0 | 2.92 | 1.61 |
| -0.9 | 225.0 | 2.52 | 1.55 |
| -0.9 | 255.0 | 1.09 | 0.768 |
| -0.9 | 285.0 | 1.19 | 0.857 |
| -0.9 | 315.0 | 2.22 | 1.56 |
| -0.9 | 345.0 | 7.34 | 8.6 |
| -0.7 | 15.0 | 0.309 | 0.327 |
| -0.7 | 45.0 | 0.932 | 0.554 |
| -0.7 | 75.0 | 4.93 | 2.53 |
| -0.7 | 105.0 | 0.8 | 0.641 |
| -0.7 | 135.0 | 6.97 | 3.27 |
| -0.7 | 165.0 | 2.25 | 0.91 |
| -0.7 | 195.0 | 2.2 | 0.888 |
| -0.7 | 225.0 | 1.26 | 0.794 |
| -0.7 | 255.0 | 0.905 | 0.472 |
| -0.7 | 285.0 | 0.326 | 0.253 |
| -0.7 | 315.0 | 0.918 | 0.441 |
| -0.7 | 345.0 | 0.753 | 0.494 |
| -0.5 | 15.0 | 1.45 | 0.743 |
| -0.5 | 45.0 | 1.21 | 0.738 |
| -0.5 | 75.0 | 1.53 | 0.802 |
| -0.5 | 105.0 | 1.66 | 1.05 |
| -0.5 | 135.0 | 2.43 | 1.13 |
| -0.5 | 165.0 | 1.88 | 0.854 |
| -0.5 | 195.0 | 8.74 | 3.35 |
| -0.5 | 225.0 | 1.25 | 0.779 |
| -0.5 | 255.0 | 0.957 | 0.409 |
| -0.5 | 285.0 | 1.71 | 0.927 |
| -0.5 | 315.0 | 0.463 | 0.489 |
| -0.5 | 345.0 | 0.824 | 0.482 |
| -0.3 | 15.0 | 4.01 | 2.35 |
| -0.3 | 45.0 | 0.626 | 0.32 |
| -0.3 | 75.0 | 2.06 | 0.952 |
| -0.3 | 105.0 | 1.32 | 0.817 |
| -0.3 | 135.0 | 1.67 | 0.768 |
| -0.3 | 165.0 | 0.911 | 0.554 |
| -0.3 | 195.0 | 5.21 | 1.93 |
| -0.3 | 225.0 | 2.09 | 0.895 |
| -0.3 | 255.0 | 1.48 | 0.692 |
| -0.3 | 285.0 | 1.31 | 0.821 |
| -0.3 | 315.0 | 1.09 | 0.447 |
| -0.3 | 345.0 | 3.32 | 1.89 |
| -0.1 | 15.0 | 3.53 | 1.74 |
| -0.1 | 45.0 | 0.381 | 0.287 |
| -0.1 | 75.0 | 1.6 | 0.713 |
| -0.1 | 105.0 | 0.608 | 0.625 |
| -0.1 | 135.0 | 1.95 | 1.08 |
| -0.1 | 165.0 | 4.05 | 1.46 |
| -0.1 | 195.0 | 5.4 | 2.06 |
| -0.1 | 225.0 | 6.38 | 2.52 |
| -0.1 | 255.0 | 4.44 | 1.85 |
| -0.1 | 285.0 | 1.37 | 0.689 |
| -0.1 | 315.0 | 6.13 | 3.02 |
| -0.1 | 345.0 | 1.75 | 1.03 |
| 0.1 | 15.0 | 1.37 | 0.658 |
| 0.1 | 45.0 | 1.2 | 0.519 |
| 0.1 | 75.0 | 1.91 | 1.07 |
| 0.1 | 105.0 | 1.23 | 0.522 |
| 0.1 | 135.0 | 2.6 | 0.991 |
| 0.1 | 165.0 | 1.49 | 0.666 |
| 0.1 | 195.0 | 2.1 | 0.83 |
| 0.1 | 225.0 | 2.41 | 0.969 |
| 0.1 | 255.0 | 5.23 | 1.79 |
| 0.1 | 285.0 | 3.21 | 1.57 |
| 0.1 | 315.0 | 1.55 | 0.907 |
| 0.1 | 345.0 | 0.849 | 0.436 |
| 0.3 | 15.0 | 0.461 | 0.357 |
| 0.3 | 45.0 | 1.23 | 0.683 |
| 0.3 | 75.0 | 0.648 | 0.397 |
| 0.3 | 105.0 | 3.47 | 1.63 |
| 0.3 | 135.0 | 2.49 | 1.24 |
| 0.3 | 165.0 | 4.77 | 1.56 |
| 0.3 | 195.0 | 2.31 | 0.853 |
| 0.3 | 225.0 | 2.26 | 1.02 |
| 0.3 | 255.0 | 0.854 | 0.519 |
| 0.3 | 285.0 | 1.14 | 0.617 |
| 0.3 | 315.0 | 1.4 | 0.803 |
| 0.3 | 345.0 | 1.38 | 0.551 |
| 0.5 | 15.0 | 2.6 | 1.12 |
| 0.5 | 45.0 | 2.34 | 1.11 |
| 0.5 | 75.0 | 0.876 | 0.539 |
| 0.5 | 105.0 | 4.85 | 1.79 |
| 0.5 | 135.0 | 0.576 | 0.419 |
| 0.5 | 165.0 | 2.05 | 0.905 |
| 0.5 | 195.0 | 2.82 | 0.97 |
| 0.5 | 225.0 | 0.758 | 0.556 |
| 0.5 | 255.0 | 3.53 | 1.28 |
| 0.5 | 285.0 | 2.01 | 0.87 |
| 0.5 | 315.0 | 1.26 | 0.874 |
| 0.5 | 345.0 | 2.1 | 1.09 |
| 0.7 | 15.0 | 2.38 | 1.06 |
| 0.7 | 45.0 | 0.72 | 0.39 |
| 0.7 | 75.0 | 4.94 | 1.94 |
| 0.7 | 105.0 | 2.06 | 0.937 |
| 0.7 | 135.0 | 4.88 | 2.35 |
| 0.7 | 165.0 | 4.6 | 1.62 |
| 0.7 | 195.0 | 9.22 | 3.34 |
| 0.7 | 225.0 | 2.94 | 1.26 |
| 0.7 | 255.0 | 1.53 | 0.824 |
| 0.7 | 285.0 | 5.36 | 2.1 |
| 0.7 | 315.0 | 1.3 | 0.565 |
| 0.7 | 345.0 | 0.382 | 0.398 |
| 0.9 | 15.0 | 0.626 | 0.474 |
| 0.9 | 45.0 | 12.3 | 6.17 |
| 0.9 | 75.0 | 3.88 | 2.16 |
| 0.9 | 105.0 | 7.06 | 2.68 |
| 0.9 | 135.0 | 7.25 | 3.5 |
| 0.9 | 165.0 | 5.88 | 2.48 |
| 0.9 | 195.0 | 6.76 | 2.95 |
| 0.9 | 225.0 | 1.93 | 0.886 |
| 0.9 | 255.0 | 2.21 | 0.996 |
| 0.9 | 285.0 | 3.88 | 1.57 |
| 0.9 | 315.0 | 2.29 | 1.49 |
| 0.9 | 345.0 | 1.26 | 0.708 |
Experiment comment: