Measurement E9M232
| 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: | 1.26 GeV | |
| ε: | 0.818 | |
| 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 | 3.49 | 0.666 | 0.2782 |
| -0.9 | 45.0 | 2.35 | 0.434 | 0.5792 |
| -0.9 | 75.0 | 4.11 | 0.727 | 0.4884 |
| -0.9 | 105.0 | 3.71 | 0.638 | 0.3406 |
| -0.9 | 135.0 | 2.68 | 0.565 | 0.2298 |
| -0.9 | 165.0 | 2.79 | 0.629 | 0.4455 |
| -0.9 | 195.0 | 3.47 | 0.753 | 0.888 |
| -0.9 | 225.0 | 2.32 | 0.477 | 0.5094 |
| -0.9 | 255.0 | 4.12 | 0.722 | 0.3523 |
| -0.9 | 285.0 | 3.25 | 0.6 | 0.2688 |
| -0.9 | 315.0 | 2.42 | 0.445 | 0.1405 |
| -0.9 | 345.0 | 3.0 | 0.586 | 0.4384 |
| -0.7 | 15.0 | 4.74 | 0.663 | 0.6743 |
| -0.7 | 45.0 | 4.22 | 0.548 | 0.2743 |
| -0.7 | 75.0 | 6.45 | 0.819 | 0.3396 |
| -0.7 | 105.0 | 5.19 | 0.732 | 0.6777 |
| -0.7 | 135.0 | 6.33 | 0.938 | 0.9158 |
| -0.7 | 165.0 | 2.57 | 0.496 | 0.3999 |
| -0.7 | 195.0 | 2.51 | 0.432 | 0.3361 |
| -0.7 | 225.0 | 3.2 | 0.501 | 0.2977 |
| -0.7 | 255.0 | 5.41 | 0.749 | 0.6419 |
| -0.7 | 285.0 | 5.74 | 0.792 | 0.1714 |
| -0.7 | 315.0 | 4.27 | 0.562 | 0.41 |
| -0.7 | 345.0 | 4.21 | 0.552 | 0.4338 |
| -0.5 | 15.0 | 4.67 | 0.615 | 0.2934 |
| -0.5 | 45.0 | 7.01 | 0.731 | 0.2144 |
| -0.5 | 75.0 | 6.39 | 0.79 | 0.798 |
| -0.5 | 105.0 | 8.72 | 1.12 | 0.3924 |
| -0.5 | 135.0 | 6.06 | 0.898 | 0.5914 |
| -0.5 | 165.0 | 3.08 | 0.455 | 0.529 |
| -0.5 | 195.0 | 3.52 | 0.514 | 0.3358 |
| -0.5 | 225.0 | 8.09 | 1.17 | 1.1156 |
| -0.5 | 255.0 | 7.72 | 0.964 | 0.8953 |
| -0.5 | 285.0 | 7.95 | 0.947 | 0.3511 |
| -0.5 | 315.0 | 7.36 | 0.795 | 0.1154 |
| -0.5 | 345.0 | 4.38 | 0.536 | 0.2931 |
| -0.3 | 15.0 | 4.5 | 0.518 | 0.5502 |
| -0.3 | 45.0 | 6.44 | 0.696 | 0.0937 |
| -0.3 | 75.0 | 8.62 | 0.989 | 1.807 |
| -0.3 | 105.0 | 10.1 | 1.37 | 1.0458 |
| -0.3 | 135.0 | 5.08 | 0.789 | 0.435 |
| -0.3 | 165.0 | 3.39 | 0.501 | 0.2523 |
| -0.3 | 195.0 | 4.33 | 0.614 | 0.5428 |
| -0.3 | 225.0 | 5.91 | 0.821 | 0.7562 |
| -0.3 | 255.0 | 8.5 | 1.07 | 0.8085 |
| -0.3 | 285.0 | 9.18 | 1.03 | 0.4547 |
| -0.3 | 315.0 | 7.39 | 0.764 | 0.1598 |
| -0.3 | 345.0 | 5.01 | 0.608 | 0.5634 |
| -0.1 | 15.0 | 4.01 | 0.495 | 0.2335 |
| -0.1 | 45.0 | 7.55 | 0.784 | 0.2585 |
| -0.1 | 75.0 | 9.48 | 1.09 | 1.0131 |
| -0.1 | 105.0 | 9.2 | 1.31 | 0.7166 |
| -0.1 | 135.0 | 8.21 | 1.22 | 0.5107 |
| -0.1 | 165.0 | 4.44 | 0.637 | 0.3089 |
| -0.1 | 195.0 | 3.6 | 0.523 | 0.2883 |
| -0.1 | 225.0 | 6.25 | 0.981 | 0.7768 |
| -0.1 | 255.0 | 9.47 | 1.37 | 0.8824 |
| -0.1 | 285.0 | 8.56 | 1.05 | 0.6999 |
| -0.1 | 315.0 | 7.98 | 0.829 | 0.5589 |
| -0.1 | 345.0 | 5.0 | 0.594 | 0.2185 |
| 0.1 | 15.0 | 4.57 | 0.547 | 0.332 |
| 0.1 | 45.0 | 7.01 | 0.754 | 0.1665 |
| 0.1 | 75.0 | 10.2 | 1.2 | 0.5099 |
| 0.1 | 105.0 | 6.95 | 1.16 | 0.2662 |
| 0.1 | 135.0 | 6.6 | 1.01 | 0.1661 |
| 0.1 | 165.0 | 4.61 | 0.627 | 0.3671 |
| 0.1 | 195.0 | 4.69 | 0.631 | 0.3221 |
| 0.1 | 225.0 | 5.58 | 1.03 | 0.4969 |
| 0.1 | 255.0 | 10.4 | 1.48 | 1.7776 |
| 0.1 | 285.0 | 8.86 | 1.06 | 1.1745 |
| 0.1 | 315.0 | 7.1 | 0.71 | 1.3425 |
| 0.1 | 345.0 | 3.83 | 0.485 | 0.2727 |
| 0.3 | 15.0 | 3.86 | 0.522 | 0.117 |
| 0.3 | 45.0 | 6.05 | 0.666 | 0.0711 |
| 0.3 | 75.0 | 8.28 | 1.02 | 0.8075 |
| 0.3 | 105.0 | 10.1 | 1.59 | 0.586 |
| 0.3 | 135.0 | 6.09 | 1.11 | 0.4766 |
| 0.3 | 165.0 | 4.91 | 0.739 | 0.1959 |
| 0.3 | 195.0 | 5.03 | 0.671 | 0.5993 |
| 0.3 | 225.0 | 5.83 | 1.08 | 0.4596 |
| 0.3 | 255.0 | 9.28 | 1.42 | 0.427 |
| 0.3 | 285.0 | 8.06 | 1.0 | 1.1429 |
| 0.3 | 315.0 | 4.49 | 0.575 | 0.4474 |
| 0.3 | 345.0 | 4.41 | 0.558 | 0.3041 |
| 0.5 | 15.0 | 4.09 | 0.571 | 0.156 |
| 0.5 | 45.0 | 4.3 | 0.536 | 0.3393 |
| 0.5 | 75.0 | 7.3 | 0.954 | 0.265 |
| 0.5 | 105.0 | 6.76 | 1.14 | 0.2811 |
| 0.5 | 135.0 | 6.5 | 1.1 | 0.4663 |
| 0.5 | 165.0 | 5.31 | 0.772 | 0.4287 |
| 0.5 | 195.0 | 5.88 | 0.853 | 0.4339 |
| 0.5 | 225.0 | 5.57 | 1.04 | 0.7088 |
| 0.5 | 255.0 | 10.2 | 1.56 | 0.7457 |
| 0.5 | 285.0 | 7.7 | 1.07 | 0.8901 |
| 0.5 | 315.0 | 6.28 | 0.7 | 0.2038 |
| 0.5 | 345.0 | 2.66 | 0.39 | 0.0439 |
| 0.7 | 15.0 | 3.09 | 0.455 | 0.065 |
| 0.7 | 45.0 | 3.93 | 0.56 | 0.2497 |
| 0.7 | 75.0 | 5.93 | 0.864 | 0.706 |
| 0.7 | 105.0 | 5.65 | 0.955 | 0.3245 |
| 0.7 | 135.0 | 7.02 | 1.09 | 0.9581 |
| 0.7 | 165.0 | 4.75 | 0.678 | 0.372 |
| 0.7 | 195.0 | 6.39 | 0.887 | 0.748 |
| 0.7 | 225.0 | 5.02 | 0.833 | 0.4977 |
| 0.7 | 255.0 | 4.21 | 0.803 | 0.4455 |
| 0.7 | 285.0 | 6.95 | 0.984 | 0.3425 |
| 0.7 | 315.0 | 4.66 | 0.611 | 0.2028 |
| 0.7 | 345.0 | 1.98 | 0.332 | 0.1225 |
| 0.9 | 15.0 | 2.8 | 0.508 | 0.2518 |
| 0.9 | 45.0 | 2.57 | 0.442 | 0.312 |
| 0.9 | 75.0 | 3.46 | 0.567 | 0.7493 |
| 0.9 | 105.0 | 3.69 | 0.615 | 0.9794 |
| 0.9 | 135.0 | 5.35 | 0.971 | 0.8948 |
| 0.9 | 165.0 | 4.49 | 0.789 | 0.3912 |
| 0.9 | 195.0 | 4.29 | 0.717 | 0.5148 |
| 0.9 | 225.0 | 6.77 | 1.18 | 1.1294 |
| 0.9 | 255.0 | 4.22 | 0.755 | 0.802 |
| 0.9 | 285.0 | 4.17 | 0.736 | 0.783 |
| 0.9 | 315.0 | 4.62 | 0.75 | 0.6482 |
| 0.9 | 345.0 | 3.12 | 0.583 | 0.0915 |
Experiment comment: