Measurement E9M91
| 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: | 0.45 — 0.6 GeV2 | |
| W: | 1.34 GeV | |
| ε: | 0.702 | |
| 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 | 0.535 | 0.183 | 0.1761 |
| -0.9 | 45.0 | 0.869 | 0.243 | 0.1401 |
| -0.9 | 75.0 | 2.09 | 0.586 | 0.4307 |
| -0.9 | 105.0 | 1.48 | 0.523 | 0.2576 |
| -0.9 | 135.0 | 1.43 | 0.429 | 0.7797 |
| -0.9 | 165.0 | 2.55 | 0.655 | 0.4315 |
| -0.9 | 195.0 | 0.832 | 0.272 | 0.1752 |
| -0.9 | 225.0 | 2.03 | 0.812 | 0.407 |
| -0.9 | 255.0 | 1.75 | 0.569 | 0.1854 |
| -0.9 | 285.0 | 2.2 | 0.657 | 0.6336 |
| -0.9 | 315.0 | 0.7 | 0.252 | 0.2005 |
| -0.9 | 345.0 | 1.75 | 0.543 | 0.3562 |
| -0.7 | 15.0 | 1.77 | 0.338 | 0.2333 |
| -0.7 | 45.0 | 2.01 | 0.405 | 0.4273 |
| -0.7 | 75.0 | 3.39 | 0.794 | 0.3555 |
| -0.7 | 105.0 | 2.98 | 0.785 | 0.326 |
| -0.7 | 135.0 | 4.61 | 1.37 | 0.4532 |
| -0.7 | 165.0 | 3.1 | 0.919 | 0.8083 |
| -0.7 | 195.0 | 0.629 | 0.256 | 0.0939 |
| -0.7 | 225.0 | 2.67 | 0.844 | 0.2986 |
| -0.7 | 255.0 | 2.24 | 0.658 | 0.2099 |
| -0.7 | 285.0 | 2.06 | 0.571 | 0.4002 |
| -0.7 | 315.0 | 3.05 | 0.58 | 0.3304 |
| -0.7 | 345.0 | 1.95 | 0.434 | 0.1765 |
| -0.5 | 15.0 | 2.18 | 0.373 | 0.2475 |
| -0.5 | 45.0 | 2.86 | 0.543 | 0.2051 |
| -0.5 | 75.0 | 3.32 | 0.753 | 0.1754 |
| -0.5 | 105.0 | 6.56 | 1.49 | 0.9631 |
| -0.5 | 135.0 | 4.4 | 1.43 | 0.1541 |
| -0.5 | 165.0 | 1.25 | 0.555 | 0.2112 |
| -0.5 | 195.0 | 1.97 | 0.738 | 0.7132 |
| -0.5 | 225.0 | 2.31 | 0.766 | 0.7373 |
| -0.5 | 255.0 | 5.61 | 1.21 | 0.9259 |
| -0.5 | 285.0 | 4.45 | 0.845 | 0.3618 |
| -0.5 | 315.0 | 3.53 | 0.625 | 0.2901 |
| -0.5 | 345.0 | 2.05 | 0.353 | 0.1678 |
| -0.3 | 15.0 | 1.97 | 0.335 | 0.1974 |
| -0.3 | 45.0 | 5.18 | 0.762 | 0.1283 |
| -0.3 | 75.0 | 6.05 | 1.09 | 0.486 |
| -0.3 | 105.0 | 3.42 | 0.768 | 0.1869 |
| -0.3 | 135.0 | 5.57 | 1.29 | 0.8097 |
| -0.3 | 165.0 | 5.44 | 2.41 | 0.993 |
| -0.3 | 195.0 | 5.89 | 3.37 | 1.9984 |
| -0.3 | 225.0 | 5.24 | 1.19 | 0.5914 |
| -0.3 | 255.0 | 3.88 | 0.797 | 0.2291 |
| -0.3 | 285.0 | 7.1 | 1.24 | 0.6979 |
| -0.3 | 315.0 | 3.38 | 0.587 | 0.2463 |
| -0.3 | 345.0 | 2.18 | 0.353 | 0.2502 |
| -0.1 | 15.0 | 3.74 | 0.567 | 0.0604 |
| -0.1 | 45.0 | 3.0 | 0.546 | 0.3237 |
| -0.1 | 75.0 | 5.7 | 0.958 | 0.2363 |
| -0.1 | 105.0 | 5.94 | 0.923 | 0.2508 |
| -0.1 | 135.0 | 4.8 | 0.857 | 0.4733 |
| -0.1 | 165.0 | 6.2 | 3.48 | 2.1229 |
| -0.1 | 195.0 | 0.973 | 0.722 | 0.7513 |
| -0.1 | 225.0 | 5.34 | 0.928 | 0.4704 |
| -0.1 | 255.0 | 5.71 | 0.944 | 0.1363 |
| -0.1 | 285.0 | 4.85 | 0.867 | 0.2025 |
| -0.1 | 315.0 | 4.05 | 0.627 | 0.0946 |
| -0.1 | 345.0 | 4.08 | 0.6 | 0.3536 |
| 0.1 | 15.0 | 4.16 | 0.603 | 0.49 |
| 0.1 | 45.0 | 5.71 | 0.835 | 0.1281 |
| 0.1 | 75.0 | 6.29 | 0.984 | 0.4619 |
| 0.1 | 105.0 | 6.27 | 0.971 | 0.6057 |
| 0.1 | 135.0 | 4.08 | 0.644 | 0.7648 |
| 0.1 | 165.0 | 3.32 | 1.35 | 0.9064 |
| 0.1 | 195.0 | 6.58 | 2.87 | 2.7239 |
| 0.1 | 225.0 | 5.22 | 0.855 | 0.5677 |
| 0.1 | 255.0 | 7.02 | 1.04 | 1.047 |
| 0.1 | 285.0 | 5.44 | 0.898 | 0.2425 |
| 0.1 | 315.0 | 5.81 | 0.846 | 0.5206 |
| 0.1 | 345.0 | 3.3 | 0.526 | 0.1959 |
| 0.3 | 15.0 | 2.77 | 0.496 | 0.3594 |
| 0.3 | 45.0 | 4.32 | 0.612 | 0.415 |
| 0.3 | 75.0 | 5.01 | 0.762 | 0.4621 |
| 0.3 | 105.0 | 4.32 | 0.656 | 0.307 |
| 0.3 | 135.0 | 5.19 | 0.831 | 0.1968 |
| 0.3 | 165.0 | 11.0 | 5.11 | 2.5861 |
| 0.3 | 195.0 | 1.27 | 0.611 | 1.342 |
| 0.3 | 225.0 | 4.56 | 0.72 | 0.2733 |
| 0.3 | 255.0 | 4.81 | 0.751 | 0.3269 |
| 0.3 | 285.0 | 3.86 | 0.649 | 0.1222 |
| 0.3 | 315.0 | 4.35 | 0.661 | 0.1668 |
| 0.3 | 345.0 | 3.15 | 0.509 | 0.1844 |
| 0.5 | 15.0 | 2.07 | 0.37 | 0.3715 |
| 0.5 | 45.0 | 2.85 | 0.504 | 0.169 |
| 0.5 | 75.0 | 4.26 | 0.712 | 0.1433 |
| 0.5 | 105.0 | 5.84 | 0.964 | 0.834 |
| 0.5 | 135.0 | 3.8 | 0.695 | 0.5336 |
| 0.5 | 165.0 | 7.85 | 3.98 | 2.063 |
| 0.5 | 195.0 | 5.45 | 3.2 | 1.5741 |
| 0.5 | 225.0 | 3.64 | 0.671 | 0.4011 |
| 0.5 | 255.0 | 3.61 | 0.623 | 0.4365 |
| 0.5 | 285.0 | 4.38 | 0.707 | 0.5815 |
| 0.5 | 315.0 | 4.61 | 0.717 | 0.4031 |
| 0.5 | 345.0 | 2.19 | 0.394 | 0.1482 |
| 0.7 | 15.0 | 2.33 | 0.452 | 0.1565 |
| 0.7 | 45.0 | 2.9 | 0.577 | 0.1763 |
| 0.7 | 75.0 | 2.0 | 0.468 | 0.3171 |
| 0.7 | 105.0 | 3.92 | 0.719 | 0.5325 |
| 0.7 | 135.0 | 3.86 | 0.939 | 1.1471 |
| 0.7 | 165.0 | 3.71 | 2.28 | 1.8447 |
| 0.7 | 195.0 | 2.18 | 1.27 | 1.2094 |
| 0.7 | 225.0 | 2.94 | 0.68 | 0.3294 |
| 0.7 | 255.0 | 4.12 | 0.803 | 0.8468 |
| 0.7 | 285.0 | 4.06 | 0.781 | 0.3535 |
| 0.7 | 315.0 | 2.71 | 0.542 | 0.3343 |
| 0.7 | 345.0 | 1.81 | 0.345 | 0.422 |
| 0.9 | 15.0 | 1.78 | 0.396 | 0.3354 |
| 0.9 | 45.0 | 1.63 | 0.455 | 0.2863 |
| 0.9 | 75.0 | 1.54 | 0.462 | 0.1785 |
| 0.9 | 105.0 | 1.9 | 0.586 | 0.3528 |
| 0.9 | 135.0 | 1.86 | 0.66 | 0.5371 |
| 0.9 | 165.0 | 0.793 | 0.507 | 1.4472 |
| 0.9 | 195.0 | 2.51 | 1.12 | 0.3425 |
| 0.9 | 225.0 | 1.94 | 0.682 | 0.4041 |
| 0.9 | 255.0 | 2.91 | 1.08 | 1.1007 |
| 0.9 | 285.0 | 3.57 | 1.05 | 1.0989 |
| 0.9 | 315.0 | 3.05 | 0.706 | 0.2994 |
| 0.9 | 345.0 | 1.1 | 0.292 | 0.2399 |
Experiment comment: