Measurement E9M258
| 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: | 1.0 — 1.3 GeV2 | |
| W: | 1.18 GeV | |
| ε: | 0.785 | |
| 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 | syst. uncert. |
|---|---|---|---|---|
| -0.9 | 15.0 | 3.64 | 0.943 | 0.9539 |
| -0.9 | 45.0 | 4.31 | 1.02 | 0.6132 |
| -0.9 | 75.0 | 2.97 | 0.655 | 0.3636 |
| -0.9 | 105.0 | 2.61 | 0.596 | 0.4211 |
| -0.9 | 135.0 | 1.5 | 0.391 | 0.3939 |
| -0.9 | 165.0 | 2.89 | 0.677 | 0.6579 |
| -0.9 | 195.0 | 1.62 | 0.431 | 0.2772 |
| -0.9 | 225.0 | 1.93 | 0.465 | 0.3321 |
| -0.9 | 255.0 | 2.61 | 0.587 | 0.2374 |
| -0.9 | 285.0 | 3.31 | 0.739 | 0.6505 |
| -0.9 | 315.0 | 3.07 | 0.754 | 0.5071 |
| -0.9 | 345.0 | 2.6 | 0.654 | 0.293 |
| -0.7 | 15.0 | 2.48 | 0.511 | 0.3734 |
| -0.7 | 45.0 | 2.27 | 0.492 | 0.3642 |
| -0.7 | 75.0 | 3.51 | 0.698 | 0.3267 |
| -0.7 | 105.0 | 1.75 | 0.375 | 0.57 |
| -0.7 | 135.0 | 2.1 | 0.442 | 0.1682 |
| -0.7 | 165.0 | 2.49 | 0.543 | 0.634 |
| -0.7 | 195.0 | 2.35 | 0.536 | 0.1936 |
| -0.7 | 225.0 | 2.08 | 0.48 | 0.2813 |
| -0.7 | 255.0 | 4.52 | 0.923 | 0.9084 |
| -0.7 | 285.0 | 3.99 | 0.734 | 0.4867 |
| -0.7 | 315.0 | 3.02 | 0.622 | 0.5728 |
| -0.7 | 345.0 | 2.31 | 0.52 | 0.0636 |
| -0.5 | 15.0 | 4.25 | 0.828 | 0.4625 |
| -0.5 | 45.0 | 3.36 | 0.652 | 0.2968 |
| -0.5 | 75.0 | 4.17 | 0.79 | 0.513 |
| -0.5 | 105.0 | 3.8 | 0.645 | 0.3961 |
| -0.5 | 135.0 | 3.48 | 0.656 | 0.4711 |
| -0.5 | 165.0 | 4.2 | 0.822 | 0.6267 |
| -0.5 | 195.0 | 4.42 | 0.723 | 0.2481 |
| -0.5 | 225.0 | 2.84 | 0.553 | 0.3676 |
| -0.5 | 255.0 | 4.68 | 0.775 | 0.8597 |
| -0.5 | 285.0 | 2.77 | 0.523 | 0.7084 |
| -0.5 | 315.0 | 4.12 | 0.692 | 0.4309 |
| -0.5 | 345.0 | 3.4 | 0.653 | 0.1513 |
| -0.3 | 15.0 | 3.49 | 0.597 | 0.5789 |
| -0.3 | 45.0 | 2.56 | 0.527 | 0.1999 |
| -0.3 | 75.0 | 5.05 | 0.88 | 0.4659 |
| -0.3 | 105.0 | 4.44 | 0.708 | 0.4726 |
| -0.3 | 135.0 | 4.1 | 0.69 | 0.4254 |
| -0.3 | 165.0 | 4.78 | 0.792 | 0.5975 |
| -0.3 | 195.0 | 3.61 | 0.647 | 0.1726 |
| -0.3 | 225.0 | 5.16 | 0.931 | 0.9355 |
| -0.3 | 255.0 | 4.36 | 0.712 | 0.5077 |
| -0.3 | 285.0 | 4.4 | 0.793 | 0.5691 |
| -0.3 | 315.0 | 2.21 | 0.437 | 0.1676 |
| -0.3 | 345.0 | 2.59 | 0.501 | 0.2142 |
| -0.1 | 15.0 | 2.28 | 0.444 | 0.0834 |
| -0.1 | 45.0 | 3.25 | 0.57 | 0.105 |
| -0.1 | 75.0 | 3.23 | 0.642 | 0.4697 |
| -0.1 | 105.0 | 4.71 | 0.777 | 0.5618 |
| -0.1 | 135.0 | 5.17 | 0.835 | 0.5342 |
| -0.1 | 165.0 | 5.56 | 0.853 | 0.3484 |
| -0.1 | 195.0 | 4.07 | 0.651 | 0.5085 |
| -0.1 | 225.0 | 5.07 | 0.837 | 0.5721 |
| -0.1 | 255.0 | 4.84 | 0.84 | 0.2675 |
| -0.1 | 285.0 | 4.56 | 0.846 | 0.4181 |
| -0.1 | 315.0 | 2.96 | 0.507 | 0.4665 |
| -0.1 | 345.0 | 3.44 | 0.628 | 0.2062 |
| 0.1 | 15.0 | 3.0 | 0.531 | 0.0682 |
| 0.1 | 45.0 | 3.53 | 0.572 | 0.538 |
| 0.1 | 75.0 | 5.14 | 0.882 | 0.5018 |
| 0.1 | 105.0 | 7.57 | 1.26 | 0.6132 |
| 0.1 | 135.0 | 3.56 | 0.622 | 0.9557 |
| 0.1 | 165.0 | 4.89 | 0.768 | 0.2072 |
| 0.1 | 195.0 | 4.18 | 0.646 | 0.6507 |
| 0.1 | 225.0 | 4.96 | 0.794 | 0.2471 |
| 0.1 | 255.0 | 5.82 | 0.983 | 0.522 |
| 0.1 | 285.0 | 5.3 | 0.853 | 0.7824 |
| 0.1 | 315.0 | 4.24 | 0.691 | 0.1938 |
| 0.1 | 345.0 | 3.09 | 0.576 | 0.1322 |
| 0.3 | 15.0 | 3.36 | 0.593 | 0.4144 |
| 0.3 | 45.0 | 3.45 | 0.674 | 0.278 |
| 0.3 | 75.0 | 4.73 | 0.861 | 0.3173 |
| 0.3 | 105.0 | 3.93 | 0.806 | 0.2206 |
| 0.3 | 135.0 | 5.98 | 0.902 | 0.2516 |
| 0.3 | 165.0 | 6.0 | 0.92 | 0.6233 |
| 0.3 | 195.0 | 4.55 | 0.664 | 0.9286 |
| 0.3 | 225.0 | 6.09 | 0.956 | 0.4506 |
| 0.3 | 255.0 | 6.74 | 1.09 | 0.2405 |
| 0.3 | 285.0 | 3.67 | 0.681 | 0.696 |
| 0.3 | 315.0 | 3.19 | 0.599 | 0.0391 |
| 0.3 | 345.0 | 3.46 | 0.591 | 0.2912 |
| 0.5 | 15.0 | 2.79 | 0.557 | 0.4651 |
| 0.5 | 45.0 | 3.71 | 0.638 | 0.6988 |
| 0.5 | 75.0 | 4.81 | 0.817 | 0.2525 |
| 0.5 | 105.0 | 4.21 | 0.819 | 0.2441 |
| 0.5 | 135.0 | 6.64 | 1.1 | 0.5174 |
| 0.5 | 165.0 | 8.0 | 1.23 | 1.6102 |
| 0.5 | 195.0 | 6.17 | 0.888 | 0.4181 |
| 0.5 | 225.0 | 7.0 | 1.11 | 0.7292 |
| 0.5 | 255.0 | 6.6 | 1.08 | 0.606 |
| 0.5 | 285.0 | 3.52 | 0.666 | 0.3588 |
| 0.5 | 315.0 | 3.02 | 0.521 | 0.3158 |
| 0.5 | 345.0 | 2.18 | 0.441 | 0.2471 |
| 0.7 | 15.0 | 3.68 | 0.77 | 0.7769 |
| 0.7 | 45.0 | 3.25 | 0.645 | 0.2378 |
| 0.7 | 75.0 | 4.25 | 0.792 | 0.2716 |
| 0.7 | 105.0 | 4.04 | 0.659 | 0.9168 |
| 0.7 | 135.0 | 5.77 | 0.877 | 0.1512 |
| 0.7 | 165.0 | 5.99 | 0.977 | 0.7642 |
| 0.7 | 195.0 | 5.53 | 0.829 | 0.498 |
| 0.7 | 225.0 | 5.34 | 0.838 | 0.6287 |
| 0.7 | 255.0 | 6.04 | 1.02 | 0.6739 |
| 0.7 | 285.0 | 4.23 | 0.73 | 0.7302 |
| 0.7 | 315.0 | 3.55 | 0.608 | 0.6375 |
| 0.7 | 345.0 | 2.18 | 0.441 | 0.3227 |
| 0.9 | 15.0 | 2.51 | 0.584 | 0.3292 |
| 0.9 | 45.0 | 3.89 | 0.834 | 0.2243 |
| 0.9 | 75.0 | 3.49 | 0.756 | 0.3392 |
| 0.9 | 105.0 | 2.94 | 0.645 | 0.474 |
| 0.9 | 135.0 | 6.22 | 1.18 | 1.3275 |
| 0.9 | 165.0 | 5.42 | 0.853 | 0.3679 |
| 0.9 | 195.0 | 6.19 | 1.07 | 0.6753 |
| 0.9 | 225.0 | 5.49 | 1.01 | 0.5758 |
| 0.9 | 255.0 | 4.53 | 0.837 | 1.4382 |
| 0.9 | 285.0 | 4.66 | 0.884 | 0.7504 |
| 0.9 | 315.0 | 4.35 | 0.923 | 0.5165 |
| 0.9 | 345.0 | 2.31 | 0.487 | 0.1556 |
Experiment comment: