Measurement E9M226
| 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: | 1.14 GeV | |
| ε: | 0.853 | |
| 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 | 0.94 | 0.414 |
| -0.9 | 45.0 | 1.11 | 0.461 |
| -0.9 | 75.0 | 1.29 | 0.511 |
| -0.9 | 105.0 | 0.665 | 0.333 |
| -0.9 | 135.0 | 1.74 | 0.733 |
| -0.9 | 165.0 | 1.17 | 0.533 |
| -0.9 | 195.0 | 1.02 | 0.393 |
| -0.9 | 225.0 | 2.14 | 0.748 |
| -0.9 | 255.0 | 1.9 | 0.646 |
| -0.9 | 285.0 | 2.64 | 0.982 |
| -0.9 | 315.0 | 0.898 | 0.341 |
| -0.9 | 345.0 | 0.897 | 0.405 |
| -0.7 | 15.0 | 2.01 | 0.605 |
| -0.7 | 45.0 | 1.65 | 0.571 |
| -0.7 | 75.0 | 3.77 | 0.976 |
| -0.7 | 105.0 | 2.26 | 0.635 |
| -0.7 | 135.0 | 1.11 | 0.408 |
| -0.7 | 165.0 | 4.5 | 1.35 |
| -0.7 | 195.0 | 1.98 | 0.554 |
| -0.7 | 225.0 | 2.26 | 0.719 |
| -0.7 | 255.0 | 0.774 | 0.409 |
| -0.7 | 285.0 | 2.95 | 0.817 |
| -0.7 | 315.0 | 1.07 | 0.384 |
| -0.7 | 345.0 | 0.961 | 0.352 |
| -0.5 | 15.0 | 1.21 | 0.415 |
| -0.5 | 45.0 | 0.998 | 0.342 |
| -0.5 | 75.0 | 1.6 | 0.442 |
| -0.5 | 105.0 | 1.44 | 0.422 |
| -0.5 | 135.0 | 3.21 | 0.743 |
| -0.5 | 165.0 | 3.41 | 0.861 |
| -0.5 | 195.0 | 2.37 | 0.679 |
| -0.5 | 225.0 | 3.75 | 0.97 |
| -0.5 | 255.0 | 3.24 | 0.773 |
| -0.5 | 285.0 | 2.91 | 0.755 |
| -0.5 | 315.0 | 2.34 | 0.739 |
| -0.5 | 345.0 | 1.89 | 0.586 |
| -0.3 | 15.0 | 1.36 | 0.389 |
| -0.3 | 45.0 | 2.87 | 0.83 |
| -0.3 | 75.0 | 2.4 | 0.653 |
| -0.3 | 105.0 | 1.8 | 0.537 |
| -0.3 | 135.0 | 3.35 | 0.794 |
| -0.3 | 165.0 | 2.21 | 0.539 |
| -0.3 | 195.0 | 2.11 | 0.503 |
| -0.3 | 225.0 | 1.56 | 0.471 |
| -0.3 | 255.0 | 3.11 | 0.73 |
| -0.3 | 285.0 | 1.78 | 0.446 |
| -0.3 | 315.0 | 1.44 | 0.385 |
| -0.3 | 345.0 | 2.78 | 0.962 |
| -0.1 | 15.0 | 1.45 | 0.401 |
| -0.1 | 45.0 | 2.33 | 0.634 |
| -0.1 | 75.0 | 2.08 | 0.509 |
| -0.1 | 105.0 | 1.68 | 0.515 |
| -0.1 | 135.0 | 2.22 | 0.578 |
| -0.1 | 165.0 | 3.17 | 0.748 |
| -0.1 | 195.0 | 2.55 | 0.584 |
| -0.1 | 225.0 | 4.03 | 0.921 |
| -0.1 | 255.0 | 2.76 | 0.663 |
| -0.1 | 285.0 | 2.78 | 0.683 |
| -0.1 | 315.0 | 1.17 | 0.353 |
| -0.1 | 345.0 | 1.24 | 0.375 |
| 0.1 | 15.0 | 1.91 | 0.565 |
| 0.1 | 45.0 | 0.723 | 0.246 |
| 0.1 | 75.0 | 2.01 | 0.553 |
| 0.1 | 105.0 | 2.74 | 0.773 |
| 0.1 | 135.0 | 3.7 | 0.814 |
| 0.1 | 165.0 | 4.79 | 1.03 |
| 0.1 | 195.0 | 5.12 | 1.09 |
| 0.1 | 225.0 | 4.16 | 0.852 |
| 0.1 | 255.0 | 1.18 | 0.369 |
| 0.1 | 285.0 | 2.89 | 0.673 |
| 0.1 | 315.0 | 1.25 | 0.364 |
| 0.1 | 345.0 | 1.7 | 0.481 |
| 0.3 | 15.0 | 2.08 | 0.557 |
| 0.3 | 45.0 | 2.23 | 0.58 |
| 0.3 | 75.0 | 3.03 | 0.811 |
| 0.3 | 105.0 | 8.02 | 1.59 |
| 0.3 | 135.0 | 1.78 | 0.421 |
| 0.3 | 165.0 | 2.83 | 0.634 |
| 0.3 | 195.0 | 4.44 | 0.912 |
| 0.3 | 225.0 | 2.85 | 0.57 |
| 0.3 | 255.0 | 2.25 | 0.566 |
| 0.3 | 285.0 | 2.76 | 0.613 |
| 0.3 | 315.0 | 1.95 | 0.516 |
| 0.3 | 345.0 | 0.675 | 0.21 |
| 0.5 | 15.0 | 1.27 | 0.34 |
| 0.5 | 45.0 | 2.03 | 0.511 |
| 0.5 | 75.0 | 2.03 | 0.477 |
| 0.5 | 105.0 | 3.13 | 0.731 |
| 0.5 | 135.0 | 2.7 | 0.638 |
| 0.5 | 165.0 | 5.51 | 1.06 |
| 0.5 | 195.0 | 4.73 | 0.949 |
| 0.5 | 225.0 | 3.47 | 0.793 |
| 0.5 | 255.0 | 3.23 | 0.695 |
| 0.5 | 285.0 | 2.19 | 0.582 |
| 0.5 | 315.0 | 2.53 | 0.636 |
| 0.5 | 345.0 | 1.61 | 0.547 |
| 0.7 | 15.0 | 1.2 | 0.328 |
| 0.7 | 45.0 | 2.05 | 0.511 |
| 0.7 | 75.0 | 2.75 | 0.649 |
| 0.7 | 105.0 | 2.54 | 0.622 |
| 0.7 | 135.0 | 3.65 | 0.847 |
| 0.7 | 165.0 | 4.03 | 0.881 |
| 0.7 | 195.0 | 5.56 | 1.46 |
| 0.7 | 225.0 | 4.73 | 1.03 |
| 0.7 | 255.0 | 3.02 | 0.667 |
| 0.7 | 285.0 | 3.31 | 0.727 |
| 0.7 | 315.0 | 1.62 | 0.451 |
| 0.7 | 345.0 | 0.957 | 0.295 |
| 0.9 | 15.0 | 2.11 | 0.592 |
| 0.9 | 45.0 | 2.41 | 0.702 |
| 0.9 | 75.0 | 2.47 | 0.653 |
| 0.9 | 105.0 | 2.63 | 0.709 |
| 0.9 | 135.0 | 2.83 | 0.837 |
| 0.9 | 165.0 | 3.51 | 1.05 |
| 0.9 | 195.0 | 4.72 | 1.23 |
| 0.9 | 225.0 | 3.12 | 0.823 |
| 0.9 | 255.0 | 3.8 | 1.02 |
| 0.9 | 285.0 | 4.65 | 1.32 |
| 0.9 | 315.0 | 3.16 | 1.03 |
| 0.9 | 345.0 | 3.41 | 0.959 |
Experiment comment: