Measurement E9M159
| 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: | 1.28 GeV | |
| ε: | 0.55 | |
| 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 | 1.7 | 0.611 | 0.2306 |
| -0.9 | 45.0 | 2.54 | 0.997 | 0.4148 |
| -0.9 | 75.0 | 1.01 | 0.487 | 0.0692 |
| -0.9 | 105.0 | 2.33 | 1.0 | 0.9244 |
| -0.9 | 135.0 | 1.57 | 0.984 | 0.311 |
| -0.9 | 165.0 | 1.91 | 0.847 | 0.7257 |
| -0.9 | 195.0 | 1.13 | 0.58 | 0.2838 |
| -0.9 | 225.0 | 2.7 | 1.09 | 1.0198 |
| -0.9 | 255.0 | 0.755 | 0.466 | 0.0756 |
| -0.9 | 285.0 | 1.61 | 0.687 | 0.307 |
| -0.9 | 315.0 | 2.85 | 1.07 | 0.3691 |
| -0.9 | 345.0 | 1.6 | 0.685 | 0.3721 |
| -0.7 | 15.0 | 1.89 | 0.719 | 0.6833 |
| -0.7 | 45.0 | 2.61 | 0.873 | 0.2403 |
| -0.7 | 75.0 | 3.83 | 1.42 | 0.3846 |
| -0.7 | 105.0 | 5.1 | 1.93 | 1.3188 |
| -0.7 | 135.0 | 4.44 | 1.74 | 0.8051 |
| -0.7 | 165.0 | 0.818 | 0.504 | 0.3043 |
| -0.7 | 195.0 | 1.65 | 0.696 | 0.4991 |
| -0.7 | 225.0 | 5.67 | 2.15 | 1.0818 |
| -0.7 | 255.0 | 4.02 | 1.4 | 0.6813 |
| -0.7 | 285.0 | 4.47 | 1.36 | 1.3466 |
| -0.7 | 315.0 | 2.88 | 0.876 | 0.7694 |
| -0.7 | 345.0 | 1.19 | 0.407 | 0.2593 |
| -0.5 | 15.0 | 4.43 | 1.13 | 0.6618 |
| -0.5 | 45.0 | 4.0 | 1.03 | 0.4225 |
| -0.5 | 75.0 | 8.07 | 1.97 | 0.5679 |
| -0.5 | 105.0 | 2.27 | 0.813 | 0.903 |
| -0.5 | 135.0 | 3.72 | 1.41 | 0.2774 |
| -0.5 | 165.0 | 3.53 | 1.51 | 0.6692 |
| -0.5 | 195.0 | 5.0 | 1.6 | 0.92 |
| -0.5 | 225.0 | 6.96 | 2.17 | 0.5941 |
| -0.5 | 255.0 | 6.2 | 1.9 | 0.636 |
| -0.5 | 285.0 | 5.29 | 1.33 | 1.3784 |
| -0.5 | 315.0 | 2.87 | 0.99 | 0.4213 |
| -0.5 | 345.0 | 4.37 | 0.979 | 1.0107 |
| -0.3 | 15.0 | 3.02 | 0.778 | 0.687 |
| -0.3 | 45.0 | 6.31 | 1.56 | 0.4609 |
| -0.3 | 75.0 | 6.48 | 1.6 | 0.2353 |
| -0.3 | 105.0 | 6.81 | 1.81 | 1.7033 |
| -0.3 | 135.0 | 7.17 | 2.43 | 0.5302 |
| -0.3 | 165.0 | 1.32 | 0.633 | 0.1465 |
| -0.3 | 195.0 | 4.66 | 1.56 | 0.9976 |
| -0.3 | 225.0 | 6.49 | 2.18 | 0.4647 |
| -0.3 | 255.0 | 10.9 | 2.97 | 2.3583 |
| -0.3 | 285.0 | 12.3 | 3.04 | 2.9841 |
| -0.3 | 315.0 | 5.29 | 1.3 | 0.3286 |
| -0.3 | 345.0 | 4.8 | 1.11 | 0.4502 |
| -0.1 | 15.0 | 4.63 | 1.03 | 0.3564 |
| -0.1 | 45.0 | 4.54 | 1.16 | 0.1314 |
| -0.1 | 75.0 | 6.21 | 1.47 | 0.609 |
| -0.1 | 105.0 | 5.6 | 1.29 | 0.8935 |
| -0.1 | 135.0 | 5.76 | 2.0 | 1.6246 |
| -0.1 | 165.0 | 4.75 | 1.52 | 1.2414 |
| -0.1 | 195.0 | 1.68 | 0.809 | 0.8781 |
| -0.1 | 225.0 | 5.67 | 2.06 | 0.854 |
| -0.1 | 255.0 | 8.76 | 2.22 | 1.2806 |
| -0.1 | 285.0 | 7.48 | 1.85 | 0.5949 |
| -0.1 | 315.0 | 3.26 | 0.87 | 0.1246 |
| -0.1 | 345.0 | 5.17 | 1.32 | 1.1004 |
| 0.1 | 15.0 | 5.71 | 1.35 | 0.9215 |
| 0.1 | 45.0 | 2.67 | 0.865 | 0.0364 |
| 0.1 | 75.0 | 4.58 | 1.15 | 0.3084 |
| 0.1 | 105.0 | 10.5 | 2.73 | 1.2087 |
| 0.1 | 135.0 | 3.06 | 1.26 | 0.911 |
| 0.1 | 165.0 | 7.61 | 3.19 | 1.6359 |
| 0.1 | 225.0 | 7.24 | 2.53 | 0.5783 |
| 0.1 | 255.0 | 7.03 | 1.94 | 0.8194 |
| 0.1 | 285.0 | 8.33 | 2.05 | 1.0725 |
| 0.1 | 315.0 | 3.88 | 1.07 | 0.25 |
| 0.1 | 345.0 | 2.92 | 0.665 | 1.0957 |
| 0.3 | 15.0 | 6.57 | 1.36 | 0.742 |
| 0.3 | 45.0 | 5.75 | 1.45 | 0.156 |
| 0.3 | 75.0 | 5.13 | 1.15 | 0.8675 |
| 0.3 | 105.0 | 11.1 | 2.81 | 0.5895 |
| 0.3 | 135.0 | 8.82 | 3.25 | 1.6375 |
| 0.3 | 165.0 | 4.46 | 2.11 | 1.0183 |
| 0.3 | 195.0 | 12.8 | 5.72 | 3.6795 |
| 0.3 | 225.0 | 5.13 | 1.98 | 1.534 |
| 0.3 | 255.0 | 9.93 | 2.73 | 2.0939 |
| 0.3 | 285.0 | 4.68 | 1.31 | 0.517 |
| 0.3 | 315.0 | 1.35 | 0.628 | 0.153 |
| 0.3 | 345.0 | 5.48 | 1.13 | 1.0738 |
| 0.5 | 15.0 | 3.38 | 0.857 | 0.2346 |
| 0.5 | 45.0 | 9.02 | 2.25 | 1.3061 |
| 0.5 | 75.0 | 11.0 | 2.93 | 2.1424 |
| 0.5 | 105.0 | 8.32 | 2.18 | 0.8881 |
| 0.5 | 135.0 | 2.74 | 1.33 | 0.9355 |
| 0.5 | 165.0 | 1.9 | 1.05 | 0.4001 |
| 0.5 | 195.0 | 1.84 | 1.41 | 4.1759 |
| 0.5 | 225.0 | 10.5 | 3.49 | 2.1062 |
| 0.5 | 255.0 | 3.48 | 0.97 | 0.8083 |
| 0.5 | 285.0 | 2.93 | 1.02 | 0.1814 |
| 0.5 | 315.0 | 5.78 | 1.62 | 1.2332 |
| 0.5 | 345.0 | 3.15 | 0.867 | 0.4061 |
| 0.7 | 15.0 | 3.18 | 0.88 | 0.5063 |
| 0.7 | 45.0 | 2.06 | 0.801 | 0.9629 |
| 0.7 | 75.0 | 4.67 | 1.36 | 1.7019 |
| 0.7 | 105.0 | 3.99 | 1.23 | 1.5493 |
| 0.7 | 135.0 | 13.1 | 6.18 | 5.9182 |
| 0.7 | 165.0 | 2.68 | 1.77 | 0.9391 |
| 0.7 | 195.0 | 13.9 | 5.13 | 4.8511 |
| 0.7 | 225.0 | 2.17 | 1.06 | 0.7434 |
| 0.7 | 255.0 | 5.26 | 1.52 | 0.3515 |
| 0.7 | 285.0 | 7.52 | 2.15 | 1.8814 |
| 0.7 | 315.0 | 2.02 | 0.603 | 0.8672 |
| 0.7 | 345.0 | 3.0 | 0.885 | 0.3455 |
| 0.9 | 15.0 | 2.05 | 0.752 | 0.1557 |
| 0.9 | 45.0 | 4.49 | 1.61 | 0.478 |
| 0.9 | 75.0 | 9.39 | 4.09 | 3.3468 |
| 0.9 | 105.0 | 1.67 | 0.797 | 0.7275 |
| 0.9 | 135.0 | 2.34 | 1.14 | 1.5596 |
| 0.9 | 165.0 | 5.26 | 2.41 | 1.1931 |
| 0.9 | 195.0 | 1.29 | 0.726 | 0.8549 |
| 0.9 | 225.0 | 2.89 | 1.18 | 0.6507 |
| 0.9 | 255.0 | 6.57 | 2.74 | 1.8567 |
| 0.9 | 285.0 | 3.29 | 1.37 | 0.6358 |
| 0.9 | 315.0 | 1.74 | 0.982 | 0.3829 |
| 0.9 | 345.0 | 1.97 | 0.838 | 0.7917 |
Experiment comment: