Measurement E9M228
| 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: | 1.18 GeV | |
| ε: | 0.842 | |
| 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 | 5.21 | 0.906 | 1.213 |
| -0.9 | 45.0 | 4.71 | 0.872 | 0.3376 |
| -0.9 | 75.0 | 4.06 | 0.798 | 0.9148 |
| -0.9 | 105.0 | 4.1 | 0.793 | 1.0256 |
| -0.9 | 135.0 | 3.99 | 0.885 | 0.6236 |
| -0.9 | 165.0 | 2.35 | 0.565 | 0.7241 |
| -0.9 | 195.0 | 2.2 | 0.546 | 0.3157 |
| -0.9 | 225.0 | 5.02 | 1.04 | 0.6525 |
| -0.9 | 255.0 | 4.32 | 0.859 | 0.7966 |
| -0.9 | 285.0 | 3.18 | 0.717 | 0.2621 |
| -0.9 | 315.0 | 3.15 | 0.676 | 0.1939 |
| -0.9 | 345.0 | 2.96 | 0.59 | 0.2754 |
| -0.7 | 15.0 | 4.48 | 0.726 | 0.4338 |
| -0.7 | 45.0 | 5.31 | 0.911 | 0.8551 |
| -0.7 | 75.0 | 4.46 | 0.738 | 0.246 |
| -0.7 | 105.0 | 5.38 | 0.909 | 0.783 |
| -0.7 | 135.0 | 5.61 | 0.988 | 0.9674 |
| -0.7 | 165.0 | 3.71 | 0.658 | 0.8383 |
| -0.7 | 195.0 | 3.61 | 0.644 | 0.101 |
| -0.7 | 225.0 | 4.12 | 0.776 | 0.2061 |
| -0.7 | 255.0 | 5.39 | 0.928 | 0.203 |
| -0.7 | 285.0 | 4.81 | 0.779 | 0.6492 |
| -0.7 | 315.0 | 5.38 | 0.889 | 0.4335 |
| -0.7 | 345.0 | 3.83 | 0.599 | 0.683 |
| -0.5 | 15.0 | 5.2 | 0.801 | 0.1917 |
| -0.5 | 45.0 | 4.5 | 0.704 | 0.2305 |
| -0.5 | 75.0 | 6.74 | 0.98 | 0.5261 |
| -0.5 | 105.0 | 5.39 | 0.893 | 0.3521 |
| -0.5 | 135.0 | 4.67 | 0.72 | 0.4482 |
| -0.5 | 165.0 | 3.9 | 0.706 | 0.3083 |
| -0.5 | 195.0 | 5.13 | 0.831 | 0.4 |
| -0.5 | 225.0 | 4.02 | 0.658 | 0.3919 |
| -0.5 | 255.0 | 4.8 | 0.762 | 0.3944 |
| -0.5 | 285.0 | 6.13 | 0.929 | 0.5344 |
| -0.5 | 315.0 | 5.6 | 0.877 | 0.2699 |
| -0.5 | 345.0 | 3.91 | 0.699 | 0.2779 |
| -0.3 | 15.0 | 4.72 | 0.748 | 0.6507 |
| -0.3 | 45.0 | 4.37 | 0.648 | 0.2914 |
| -0.3 | 75.0 | 7.25 | 1.01 | 0.2253 |
| -0.3 | 105.0 | 9.56 | 1.42 | 1.3386 |
| -0.3 | 135.0 | 6.1 | 0.906 | 0.2392 |
| -0.3 | 165.0 | 5.35 | 0.793 | 0.7841 |
| -0.3 | 195.0 | 6.0 | 0.902 | 0.6676 |
| -0.3 | 225.0 | 6.77 | 0.992 | 0.8311 |
| -0.3 | 255.0 | 6.93 | 0.981 | 0.6909 |
| -0.3 | 285.0 | 7.42 | 1.04 | 0.7085 |
| -0.3 | 315.0 | 5.2 | 0.73 | 0.2037 |
| -0.3 | 345.0 | 6.01 | 0.872 | 0.612 |
| -0.1 | 15.0 | 4.47 | 0.705 | 0.3551 |
| -0.1 | 45.0 | 5.32 | 0.71 | 0.3584 |
| -0.1 | 75.0 | 8.14 | 1.11 | 0.5474 |
| -0.1 | 105.0 | 6.71 | 0.966 | 0.6525 |
| -0.1 | 135.0 | 8.12 | 1.14 | 0.4415 |
| -0.1 | 165.0 | 7.88 | 1.07 | 0.7848 |
| -0.1 | 195.0 | 7.51 | 1.05 | 0.8763 |
| -0.1 | 225.0 | 8.3 | 1.12 | 0.6994 |
| -0.1 | 255.0 | 6.36 | 0.93 | 0.4273 |
| -0.1 | 285.0 | 8.11 | 0.994 | 1.3671 |
| -0.1 | 315.0 | 7.25 | 0.978 | 1.0214 |
| -0.1 | 345.0 | 3.53 | 0.607 | 0.0806 |
| 0.1 | 15.0 | 4.47 | 0.764 | 0.2296 |
| 0.1 | 45.0 | 5.7 | 0.768 | 0.1345 |
| 0.1 | 75.0 | 8.95 | 1.24 | 0.9373 |
| 0.1 | 105.0 | 7.64 | 1.09 | 0.6474 |
| 0.1 | 135.0 | 7.56 | 1.02 | 0.592 |
| 0.1 | 165.0 | 7.07 | 0.972 | 0.5907 |
| 0.1 | 195.0 | 5.86 | 0.814 | 0.3841 |
| 0.1 | 225.0 | 8.78 | 1.23 | 0.8295 |
| 0.1 | 255.0 | 8.84 | 1.29 | 0.8624 |
| 0.1 | 285.0 | 7.94 | 1.04 | 0.3213 |
| 0.1 | 315.0 | 5.15 | 0.773 | 0.2005 |
| 0.1 | 345.0 | 4.61 | 0.746 | 0.1499 |
| 0.3 | 15.0 | 3.58 | 0.585 | 0.2736 |
| 0.3 | 45.0 | 6.28 | 0.926 | 0.7184 |
| 0.3 | 75.0 | 7.19 | 1.02 | 0.3001 |
| 0.3 | 105.0 | 7.42 | 1.1 | 0.3372 |
| 0.3 | 135.0 | 10.4 | 1.32 | 0.4183 |
| 0.3 | 165.0 | 8.86 | 1.09 | 0.5595 |
| 0.3 | 195.0 | 6.54 | 0.876 | 0.541 |
| 0.3 | 225.0 | 8.21 | 1.1 | 0.5171 |
| 0.3 | 255.0 | 9.11 | 1.35 | 0.8901 |
| 0.3 | 285.0 | 7.42 | 1.01 | 0.9231 |
| 0.3 | 315.0 | 6.9 | 0.903 | 0.1858 |
| 0.3 | 345.0 | 3.13 | 0.528 | 0.121 |
| 0.5 | 15.0 | 4.3 | 0.754 | 0.7495 |
| 0.5 | 45.0 | 5.3 | 0.794 | 0.2952 |
| 0.5 | 75.0 | 6.59 | 0.915 | 0.5153 |
| 0.5 | 105.0 | 9.15 | 1.35 | 0.8029 |
| 0.5 | 135.0 | 8.62 | 1.21 | 0.7063 |
| 0.5 | 165.0 | 6.98 | 0.906 | 0.5765 |
| 0.5 | 195.0 | 8.88 | 1.14 | 0.6286 |
| 0.5 | 225.0 | 7.65 | 1.08 | 0.3672 |
| 0.5 | 255.0 | 7.3 | 1.04 | 0.866 |
| 0.5 | 285.0 | 7.26 | 0.995 | 0.4976 |
| 0.5 | 315.0 | 5.31 | 0.79 | 0.3128 |
| 0.5 | 345.0 | 4.67 | 0.726 | 0.4164 |
| 0.7 | 15.0 | 3.4 | 0.621 | 0.1782 |
| 0.7 | 45.0 | 4.1 | 0.64 | 0.9189 |
| 0.7 | 75.0 | 7.05 | 0.988 | 0.2406 |
| 0.7 | 105.0 | 7.01 | 1.04 | 0.5202 |
| 0.7 | 135.0 | 6.73 | 1.0 | 0.1685 |
| 0.7 | 165.0 | 6.73 | 0.894 | 1.0941 |
| 0.7 | 195.0 | 11.3 | 1.51 | 0.7616 |
| 0.7 | 225.0 | 8.94 | 1.17 | 0.46 |
| 0.7 | 255.0 | 8.1 | 1.27 | 1.0478 |
| 0.7 | 285.0 | 8.13 | 1.05 | 0.4562 |
| 0.7 | 315.0 | 5.5 | 0.888 | 0.2687 |
| 0.7 | 345.0 | 3.88 | 0.708 | 0.2458 |
| 0.9 | 15.0 | 4.77 | 0.883 | 0.7425 |
| 0.9 | 45.0 | 5.12 | 0.815 | 0.6402 |
| 0.9 | 75.0 | 5.78 | 0.856 | 0.8156 |
| 0.9 | 105.0 | 8.23 | 1.36 | 1.0271 |
| 0.9 | 135.0 | 6.51 | 1.12 | 0.7172 |
| 0.9 | 165.0 | 10.7 | 1.68 | 1.2849 |
| 0.9 | 195.0 | 6.75 | 1.05 | 0.8913 |
| 0.9 | 225.0 | 7.3 | 1.19 | 0.9396 |
| 0.9 | 255.0 | 7.94 | 1.31 | 0.4198 |
| 0.9 | 285.0 | 4.69 | 0.787 | 0.2818 |
| 0.9 | 315.0 | 3.93 | 0.676 | 0.3005 |
| 0.9 | 345.0 | 4.57 | 0.934 | 0.5589 |
Experiment comment: