Measurement E9M141
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.3 GeV | |
| ε: | 0.615 | |
| 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 | 1.23 | 0.439 | 0.8154 |
| -0.9 | 45.0 | 1.34 | 0.606 | 0.2624 |
| -0.9 | 75.0 | 2.02 | 1.02 | 0.5181 |
| -0.9 | 105.0 | 0.971 | 0.528 | 0.0758 |
| -0.9 | 135.0 | 3.18 | 1.52 | 0.9204 |
| -0.9 | 165.0 | 1.82 | 0.807 | 0.9684 |
| -0.9 | 195.0 | 4.42 | 2.04 | 1.3259 |
| -0.9 | 225.0 | 1.41 | 0.626 | 0.1629 |
| -0.9 | 255.0 | 1.7 | 0.827 | 0.213 |
| -0.9 | 285.0 | 3.75 | 1.58 | 0.416 |
| -0.9 | 315.0 | 3.13 | 1.19 | 0.3385 |
| -0.9 | 345.0 | 1.06 | 0.514 | 0.2882 |
| -0.7 | 15.0 | 2.48 | 0.737 | 0.2359 |
| -0.7 | 45.0 | 3.2 | 0.897 | 0.7177 |
| -0.7 | 75.0 | 3.77 | 1.2 | 1.0663 |
| -0.7 | 105.0 | 5.35 | 1.86 | 0.9821 |
| -0.7 | 135.0 | 5.37 | 2.04 | 1.1366 |
| -0.7 | 165.0 | 1.38 | 0.657 | 0.3154 |
| -0.7 | 195.0 | 3.07 | 1.19 | 0.8104 |
| -0.7 | 225.0 | 4.83 | 1.5 | 0.6199 |
| -0.7 | 255.0 | 3.69 | 1.06 | 1.0537 |
| -0.7 | 285.0 | 4.63 | 1.5 | 1.1329 |
| -0.7 | 315.0 | 2.54 | 0.782 | 0.2974 |
| -0.7 | 345.0 | 2.2 | 0.673 | 0.124 |
| -0.5 | 15.0 | 2.56 | 0.81 | 0.1343 |
| -0.5 | 45.0 | 3.44 | 1.01 | 0.6059 |
| -0.5 | 75.0 | 6.47 | 1.65 | 0.2863 |
| -0.5 | 105.0 | 3.6 | 1.19 | 0.4659 |
| -0.5 | 135.0 | 2.51 | 0.994 | 0.385 |
| -0.5 | 165.0 | 5.27 | 1.81 | 0.8851 |
| -0.5 | 195.0 | 3.13 | 1.09 | 0.2191 |
| -0.5 | 225.0 | 1.89 | 1.01 | 0.3598 |
| -0.5 | 255.0 | 6.21 | 1.63 | 0.9476 |
| -0.5 | 285.0 | 6.07 | 1.57 | 1.4312 |
| -0.5 | 315.0 | 3.71 | 1.07 | 0.8658 |
| -0.5 | 345.0 | 4.44 | 1.09 | 0.7159 |
| -0.3 | 15.0 | 4.02 | 0.936 | 0.557 |
| -0.3 | 45.0 | 5.74 | 1.33 | 1.3869 |
| -0.3 | 75.0 | 6.55 | 1.5 | 0.1082 |
| -0.3 | 105.0 | 9.03 | 2.47 | 1.1678 |
| -0.3 | 135.0 | 4.55 | 1.7 | 0.2553 |
| -0.3 | 165.0 | 8.13 | 2.95 | 1.316 |
| -0.3 | 195.0 | 3.52 | 1.29 | 0.6268 |
| -0.3 | 225.0 | 6.32 | 2.62 | 2.2298 |
| -0.3 | 255.0 | 5.48 | 1.52 | 1.0817 |
| -0.3 | 285.0 | 6.31 | 1.5 | 0.9893 |
| -0.3 | 315.0 | 5.46 | 1.27 | 1.0847 |
| -0.3 | 345.0 | 4.82 | 1.11 | 0.3305 |
| -0.1 | 15.0 | 3.11 | 0.755 | 0.2834 |
| -0.1 | 45.0 | 3.67 | 0.87 | 0.305 |
| -0.1 | 75.0 | 5.08 | 1.2 | 0.3917 |
| -0.1 | 105.0 | 6.22 | 1.8 | 0.7371 |
| -0.1 | 135.0 | 4.65 | 1.83 | 0.7409 |
| -0.1 | 165.0 | 1.11 | 0.832 | 0.7544 |
| -0.1 | 195.0 | 3.98 | 1.55 | 1.873 |
| -0.1 | 225.0 | 5.26 | 2.09 | 1.0182 |
| -0.1 | 255.0 | 6.61 | 1.52 | 0.3699 |
| -0.1 | 285.0 | 6.19 | 1.42 | 0.2926 |
| -0.1 | 315.0 | 3.4 | 0.889 | 0.5425 |
| -0.1 | 345.0 | 1.84 | 0.569 | 0.2454 |
| 0.1 | 15.0 | 5.28 | 1.07 | 0.2082 |
| 0.1 | 45.0 | 2.87 | 0.857 | 0.2355 |
| 0.1 | 75.0 | 8.46 | 1.67 | 0.2808 |
| 0.1 | 105.0 | 7.14 | 1.8 | 0.6014 |
| 0.1 | 135.0 | 7.66 | 2.06 | 0.7522 |
| 0.1 | 165.0 | 10.0 | 5.35 | 4.8652 |
| 0.1 | 195.0 | 7.59 | 4.2 | 1.6622 |
| 0.1 | 225.0 | 10.8 | 3.42 | 2.9088 |
| 0.1 | 255.0 | 4.2 | 1.28 | 0.2803 |
| 0.1 | 285.0 | 5.08 | 1.19 | 0.9236 |
| 0.1 | 315.0 | 4.23 | 1.08 | 0.1916 |
| 0.1 | 345.0 | 3.99 | 0.834 | 0.0903 |
| 0.3 | 15.0 | 3.29 | 0.86 | 0.0696 |
| 0.3 | 45.0 | 5.4 | 1.42 | 0.1552 |
| 0.3 | 75.0 | 7.61 | 1.63 | 0.928 |
| 0.3 | 105.0 | 12.5 | 2.83 | 1.971 |
| 0.3 | 135.0 | 6.55 | 2.08 | 0.7371 |
| 0.3 | 165.0 | 5.92 | 4.77 | 2.9534 |
| 0.3 | 195.0 | 22.4 | 14.2 | 12.1803 |
| 0.3 | 225.0 | 5.05 | 1.57 | 0.2513 |
| 0.3 | 255.0 | 9.52 | 2.26 | 1.3162 |
| 0.3 | 285.0 | 4.23 | 1.12 | 0.1848 |
| 0.3 | 315.0 | 7.3 | 1.68 | 1.0653 |
| 0.3 | 345.0 | 4.74 | 1.06 | 0.277 |
| 0.5 | 15.0 | 6.66 | 1.58 | 1.7528 |
| 0.5 | 45.0 | 5.43 | 1.41 | 1.1007 |
| 0.5 | 75.0 | 8.3 | 1.84 | 0.5967 |
| 0.5 | 105.0 | 2.84 | 0.752 | 1.2992 |
| 0.5 | 135.0 | 6.73 | 2.09 | 0.5661 |
| 0.5 | 165.0 | 8.8 | 3.92 | 5.1866 |
| 0.5 | 195.0 | 10.4 | 6.15 | 5.2811 |
| 0.5 | 225.0 | 2.92 | 1.0 | 0.7047 |
| 0.5 | 255.0 | 13.3 | 4.2 | 3.8181 |
| 0.5 | 285.0 | 5.99 | 1.54 | 0.825 |
| 0.5 | 315.0 | 3.74 | 1.06 | 0.6555 |
| 0.5 | 345.0 | 4.1 | 1.14 | 0.9412 |
| 0.7 | 15.0 | 2.85 | 0.799 | 0.5462 |
| 0.7 | 45.0 | 2.36 | 0.663 | 0.8633 |
| 0.7 | 75.0 | 5.98 | 1.9 | 0.9143 |
| 0.7 | 105.0 | 2.61 | 0.934 | 0.4957 |
| 0.7 | 135.0 | 3.81 | 1.41 | 0.4829 |
| 0.7 | 165.0 | 4.89 | 2.59 | 2.0661 |
| 0.7 | 195.0 | 3.09 | 1.46 | 1.09 |
| 0.7 | 225.0 | 4.45 | 1.75 | 1.1102 |
| 0.7 | 255.0 | 4.43 | 1.5 | 1.003 |
| 0.7 | 285.0 | 8.03 | 2.24 | 1.8814 |
| 0.7 | 315.0 | 1.78 | 0.66 | 0.3276 |
| 0.7 | 345.0 | 1.17 | 0.392 | 0.1162 |
| 0.9 | 15.0 | 1.15 | 0.492 | 0.3816 |
| 0.9 | 45.0 | 1.98 | 0.853 | 0.5493 |
| 0.9 | 75.0 | 2.81 | 1.27 | 0.8018 |
| 0.9 | 105.0 | 5.86 | 2.3 | 2.1173 |
| 0.9 | 135.0 | 4.01 | 2.14 | 1.3343 |
| 0.9 | 165.0 | 3.86 | 2.07 | 1.7789 |
| 0.9 | 195.0 | 3.51 | 1.99 | 1.0242 |
| 0.9 | 225.0 | 5.47 | 2.52 | 3.3891 |
| 0.9 | 255.0 | 7.03 | 3.16 | 2.2348 |
| 0.9 | 285.0 | 1.84 | 0.756 | 0.211 |
| 0.9 | 315.0 | 7.1 | 2.66 | 2.1495 |
| 0.9 | 345.0 | 2.78 | 0.964 | 0.2241 |
Experiment comment: