Measurement E9M166
| 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: | 0.6 — 0.7 GeV2 | |
| W: | 1.14 GeV | |
| ε: | 0.901 | |
| 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 | 0.613 | 0.294 | 0.5446 |
| -0.9 | 45.0 | 3.57 | 1.36 | 0.6221 |
| -0.9 | 75.0 | 1.11 | 0.505 | 0.3949 |
| -0.9 | 105.0 | 3.76 | 1.51 | 0.5944 |
| -0.9 | 135.0 | 7.24 | 3.67 | 3.762 |
| -0.9 | 165.0 | 0.908 | 0.488 | 0.2839 |
| -0.9 | 195.0 | 1.87 | 0.861 | 0.444 |
| -0.9 | 225.0 | 2.75 | 1.23 | 1.2271 |
| -0.9 | 255.0 | 0.356 | 0.26 | 0.4498 |
| -0.9 | 285.0 | 1.81 | 0.797 | 0.671 |
| -0.9 | 315.0 | 1.5 | 0.632 | 0.4936 |
| -0.9 | 345.0 | 1.48 | 0.615 | 0.3506 |
| -0.7 | 15.0 | 1.81 | 0.744 | 0.3451 |
| -0.7 | 45.0 | 1.4 | 0.755 | 0.2946 |
| -0.7 | 75.0 | 0.953 | 0.452 | 0.4534 |
| -0.7 | 105.0 | 3.01 | 0.936 | 0.3875 |
| -0.7 | 135.0 | 1.49 | 0.568 | 0.8729 |
| -0.7 | 165.0 | 4.09 | 1.35 | 0.807 |
| -0.7 | 195.0 | 2.74 | 0.836 | 0.3016 |
| -0.7 | 225.0 | 1.56 | 0.69 | 0.3636 |
| -0.7 | 255.0 | 1.94 | 0.86 | 0.4285 |
| -0.7 | 285.0 | 1.31 | 0.504 | 0.2442 |
| -0.7 | 315.0 | 3.29 | 1.02 | 0.3855 |
| -0.7 | 345.0 | 1.43 | 0.666 | 0.543 |
| -0.5 | 15.0 | 2.23 | 0.8 | 0.144 |
| -0.5 | 45.0 | 2.77 | 0.885 | 0.3875 |
| -0.5 | 75.0 | 1.74 | 0.613 | 0.433 |
| -0.5 | 105.0 | 2.04 | 0.626 | 1.0707 |
| -0.5 | 135.0 | 3.87 | 1.28 | 0.7556 |
| -0.5 | 165.0 | 3.3 | 1.03 | 0.5742 |
| -0.5 | 195.0 | 3.84 | 1.25 | 0.4441 |
| -0.5 | 225.0 | 2.6 | 0.87 | 0.4555 |
| -0.5 | 255.0 | 2.87 | 0.811 | 0.5058 |
| -0.5 | 285.0 | 2.18 | 0.636 | 0.1553 |
| -0.5 | 315.0 | 2.67 | 1.02 | 0.5931 |
| -0.5 | 345.0 | 2.95 | 1.1 | 0.2154 |
| -0.3 | 15.0 | 1.26 | 0.488 | 0.3294 |
| -0.3 | 45.0 | 3.12 | 0.958 | 1.1155 |
| -0.3 | 75.0 | 2.59 | 0.74 | 0.3002 |
| -0.3 | 105.0 | 4.09 | 1.11 | 0.4407 |
| -0.3 | 135.0 | 3.89 | 1.1 | 0.53 |
| -0.3 | 165.0 | 8.03 | 2.19 | 2.4729 |
| -0.3 | 195.0 | 3.23 | 0.929 | 0.5062 |
| -0.3 | 225.0 | 2.7 | 0.766 | 0.3169 |
| -0.3 | 255.0 | 5.59 | 1.31 | 0.8036 |
| -0.3 | 285.0 | 3.67 | 1.07 | 0.4365 |
| -0.3 | 315.0 | 4.31 | 1.36 | 0.453 |
| -0.3 | 345.0 | 1.89 | 0.796 | 0.2755 |
| -0.1 | 15.0 | 3.07 | 1.01 | 0.4816 |
| -0.1 | 45.0 | 2.8 | 0.854 | 0.0832 |
| -0.1 | 75.0 | 2.38 | 0.661 | 0.4696 |
| -0.1 | 105.0 | 3.95 | 1.15 | 0.5667 |
| -0.1 | 135.0 | 4.21 | 0.969 | 0.9517 |
| -0.1 | 165.0 | 3.27 | 0.854 | 0.5974 |
| -0.1 | 195.0 | 5.08 | 1.28 | 0.3673 |
| -0.1 | 225.0 | 8.22 | 2.05 | 1.2824 |
| -0.1 | 255.0 | 4.69 | 1.23 | 0.5661 |
| -0.1 | 285.0 | 5.19 | 1.21 | 1.5668 |
| -0.1 | 315.0 | 1.7 | 0.599 | 0.1119 |
| -0.1 | 345.0 | 3.83 | 1.24 | 0.8602 |
| 0.1 | 15.0 | 2.16 | 0.748 | 0.3365 |
| 0.1 | 45.0 | 2.83 | 0.766 | 0.4423 |
| 0.1 | 75.0 | 2.0 | 0.602 | 0.4077 |
| 0.1 | 105.0 | 4.98 | 1.21 | 0.5887 |
| 0.1 | 135.0 | 4.21 | 1.17 | 0.7862 |
| 0.1 | 165.0 | 6.03 | 1.25 | 2.437 |
| 0.1 | 195.0 | 4.71 | 1.23 | 0.4959 |
| 0.1 | 225.0 | 5.9 | 1.47 | 0.398 |
| 0.1 | 255.0 | 4.51 | 1.08 | 0.7875 |
| 0.1 | 285.0 | 3.81 | 1.05 | 0.3876 |
| 0.1 | 315.0 | 5.02 | 1.42 | 0.4405 |
| 0.1 | 345.0 | 2.57 | 0.827 | 0.2183 |
| 0.3 | 15.0 | 1.6 | 0.605 | 0.2038 |
| 0.3 | 45.0 | 5.35 | 1.4 | 1.0292 |
| 0.3 | 75.0 | 2.9 | 0.851 | 0.197 |
| 0.3 | 105.0 | 5.2 | 1.23 | 0.9755 |
| 0.3 | 135.0 | 15.0 | 3.55 | 3.3805 |
| 0.3 | 165.0 | 4.9 | 1.3 | 0.645 |
| 0.3 | 195.0 | 4.11 | 1.02 | 0.5431 |
| 0.3 | 225.0 | 3.13 | 1.06 | 0.5778 |
| 0.3 | 255.0 | 3.75 | 0.95 | 0.9523 |
| 0.3 | 285.0 | 2.62 | 0.877 | 0.293 |
| 0.3 | 315.0 | 1.33 | 0.541 | 0.1044 |
| 0.3 | 345.0 | 2.61 | 0.744 | 0.1645 |
| 0.5 | 15.0 | 1.22 | 0.447 | 0.0838 |
| 0.5 | 45.0 | 3.19 | 0.928 | 1.1233 |
| 0.5 | 75.0 | 3.35 | 1.08 | 0.3719 |
| 0.5 | 105.0 | 8.27 | 1.78 | 1.0068 |
| 0.5 | 135.0 | 3.88 | 0.992 | 1.2014 |
| 0.5 | 165.0 | 5.47 | 1.48 | 0.1527 |
| 0.5 | 195.0 | 5.0 | 1.26 | 0.7279 |
| 0.5 | 225.0 | 2.63 | 0.783 | 0.3592 |
| 0.5 | 255.0 | 4.73 | 1.2 | 0.2346 |
| 0.5 | 285.0 | 4.58 | 1.29 | 0.7552 |
| 0.5 | 315.0 | 1.3 | 0.394 | 0.6067 |
| 0.5 | 345.0 | 3.38 | 1.29 | 0.9814 |
| 0.7 | 15.0 | 2.7 | 0.825 | 0.4086 |
| 0.7 | 45.0 | 2.76 | 0.924 | 0.1698 |
| 0.7 | 75.0 | 5.44 | 1.33 | 0.5951 |
| 0.7 | 105.0 | 5.61 | 1.32 | 1.0071 |
| 0.7 | 135.0 | 6.02 | 1.62 | 1.059 |
| 0.7 | 165.0 | 5.69 | 1.55 | 0.7509 |
| 0.7 | 195.0 | 5.17 | 1.29 | 0.1531 |
| 0.7 | 225.0 | 8.32 | 2.1 | 1.2843 |
| 0.7 | 255.0 | 5.69 | 1.44 | 0.8199 |
| 0.7 | 285.0 | 3.5 | 0.971 | 0.2862 |
| 0.7 | 315.0 | 4.2 | 1.29 | 1.3404 |
| 0.7 | 345.0 | 2.31 | 0.812 | 0.4921 |
| 0.9 | 15.0 | 2.55 | 0.938 | 1.3005 |
| 0.9 | 45.0 | 5.17 | 1.63 | 0.2611 |
| 0.9 | 75.0 | 5.57 | 1.63 | 1.1727 |
| 0.9 | 105.0 | 3.93 | 1.22 | 0.5602 |
| 0.9 | 135.0 | 10.3 | 2.66 | 1.7072 |
| 0.9 | 165.0 | 6.24 | 1.83 | 0.7962 |
| 0.9 | 195.0 | 5.17 | 1.62 | 0.8628 |
| 0.9 | 225.0 | 6.04 | 1.75 | 0.9276 |
| 0.9 | 255.0 | 6.56 | 1.85 | 0.6939 |
| 0.9 | 285.0 | 4.89 | 1.44 | 0.8462 |
| 0.9 | 315.0 | 4.09 | 1.25 | 1.0392 |
| 0.9 | 345.0 | 3.63 | 1.21 | 0.575 |
Experiment comment: