Measurement E9M172
| 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: | 1.26 GeV | |
| ε: | 0.873 | |
| 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 | 4.91 | 1.11 | 1.1095 |
| -0.9 | 45.0 | 4.01 | 0.809 | 1.1967 |
| -0.9 | 75.0 | 6.07 | 1.21 | 0.6044 |
| -0.9 | 105.0 | 6.1 | 1.19 | 0.4162 |
| -0.9 | 135.0 | 4.17 | 0.855 | 0.2015 |
| -0.9 | 165.0 | 2.47 | 0.704 | 0.5913 |
| -0.9 | 195.0 | 2.98 | 0.857 | 0.2672 |
| -0.9 | 225.0 | 4.45 | 1.02 | 0.4571 |
| -0.9 | 255.0 | 5.01 | 1.1 | 0.5331 |
| -0.9 | 285.0 | 6.2 | 1.22 | 0.5204 |
| -0.9 | 315.0 | 3.49 | 0.739 | 0.3346 |
| -0.9 | 345.0 | 3.04 | 0.687 | 0.4742 |
| -0.7 | 15.0 | 5.68 | 0.858 | 0.1184 |
| -0.7 | 45.0 | 7.15 | 0.933 | 1.121 |
| -0.7 | 75.0 | 9.1 | 1.19 | 0.4397 |
| -0.7 | 105.0 | 11.6 | 1.69 | 0.9014 |
| -0.7 | 135.0 | 6.0 | 1.06 | 0.3205 |
| -0.7 | 165.0 | 3.49 | 0.778 | 0.2953 |
| -0.7 | 195.0 | 4.82 | 0.941 | 0.836 |
| -0.7 | 225.0 | 5.9 | 1.05 | 0.3322 |
| -0.7 | 255.0 | 8.96 | 1.3 | 0.8589 |
| -0.7 | 285.0 | 9.27 | 1.24 | 0.7196 |
| -0.7 | 315.0 | 8.17 | 1.1 | 0.4129 |
| -0.7 | 345.0 | 5.36 | 0.826 | 0.3582 |
| -0.5 | 15.0 | 6.25 | 0.861 | 0.2311 |
| -0.5 | 45.0 | 8.76 | 0.988 | 0.7662 |
| -0.5 | 75.0 | 10.7 | 1.33 | 0.2739 |
| -0.5 | 105.0 | 11.5 | 1.8 | 1.3295 |
| -0.5 | 135.0 | 9.02 | 1.48 | 1.0213 |
| -0.5 | 165.0 | 4.4 | 0.859 | 0.3531 |
| -0.5 | 195.0 | 4.41 | 0.787 | 0.4463 |
| -0.5 | 225.0 | 10.2 | 1.58 | 0.3766 |
| -0.5 | 255.0 | 13.6 | 1.9 | 1.3019 |
| -0.5 | 285.0 | 13.3 | 1.5 | 0.3937 |
| -0.5 | 315.0 | 8.58 | 1.06 | 0.2792 |
| -0.5 | 345.0 | 6.65 | 0.929 | 0.371 |
| -0.3 | 15.0 | 6.77 | 0.898 | 0.3493 |
| -0.3 | 45.0 | 9.63 | 1.11 | 0.7642 |
| -0.3 | 75.0 | 13.0 | 1.67 | 0.7858 |
| -0.3 | 105.0 | 11.4 | 2.13 | 1.0781 |
| -0.3 | 135.0 | 12.6 | 2.14 | 1.4309 |
| -0.3 | 165.0 | 4.83 | 0.845 | 0.4272 |
| -0.3 | 195.0 | 4.7 | 0.824 | 0.4123 |
| -0.3 | 225.0 | 11.0 | 1.97 | 1.2104 |
| -0.3 | 255.0 | 13.9 | 2.07 | 0.6285 |
| -0.3 | 285.0 | 15.6 | 1.75 | 0.5809 |
| -0.3 | 315.0 | 8.01 | 0.983 | 0.4645 |
| -0.3 | 345.0 | 4.54 | 0.709 | 0.1137 |
| -0.1 | 15.0 | 7.37 | 0.925 | 0.2881 |
| -0.1 | 45.0 | 10.7 | 1.14 | 1.6039 |
| -0.1 | 75.0 | 13.1 | 1.67 | 1.2196 |
| -0.1 | 105.0 | 16.9 | 3.19 | 1.9144 |
| -0.1 | 135.0 | 9.95 | 2.25 | 0.9219 |
| -0.1 | 165.0 | 4.74 | 0.77 | 0.6981 |
| -0.1 | 195.0 | 6.17 | 0.971 | 0.4243 |
| -0.1 | 225.0 | 10.4 | 2.2 | 0.8008 |
| -0.1 | 255.0 | 14.4 | 2.93 | 1.444 |
| -0.1 | 285.0 | 18.6 | 2.25 | 1.3 |
| -0.1 | 315.0 | 9.65 | 1.14 | 0.2387 |
| -0.1 | 345.0 | 8.29 | 1.04 | 0.3739 |
| 0.1 | 15.0 | 5.41 | 0.772 | 0.5337 |
| 0.1 | 45.0 | 11.9 | 1.28 | 0.4272 |
| 0.1 | 75.0 | 14.1 | 1.98 | 0.6614 |
| 0.1 | 105.0 | 12.2 | 3.76 | 0.5679 |
| 0.1 | 135.0 | 8.44 | 2.72 | 1.2302 |
| 0.1 | 165.0 | 9.62 | 1.67 | 1.8653 |
| 0.1 | 195.0 | 5.86 | 1.01 | 0.3724 |
| 0.1 | 225.0 | 10.1 | 2.69 | 0.8576 |
| 0.1 | 255.0 | 12.4 | 3.57 | 1.1124 |
| 0.1 | 285.0 | 13.9 | 1.9 | 1.8131 |
| 0.1 | 315.0 | 12.0 | 1.29 | 0.7632 |
| 0.1 | 345.0 | 7.24 | 0.957 | 0.1255 |
| 0.3 | 15.0 | 6.13 | 0.821 | 1.1209 |
| 0.3 | 45.0 | 8.63 | 1.07 | 0.2488 |
| 0.3 | 75.0 | 14.2 | 2.26 | 1.9268 |
| 0.3 | 105.0 | 11.6 | 3.72 | 0.8874 |
| 0.3 | 135.0 | 8.78 | 2.95 | 2.205 |
| 0.3 | 165.0 | 7.3 | 1.21 | 0.6149 |
| 0.3 | 195.0 | 7.26 | 1.33 | 0.3652 |
| 0.3 | 225.0 | 13.6 | 3.59 | 2.4658 |
| 0.3 | 255.0 | 9.01 | 2.45 | 1.8472 |
| 0.3 | 285.0 | 14.6 | 2.15 | 0.893 |
| 0.3 | 315.0 | 10.4 | 1.2 | 0.0866 |
| 0.3 | 345.0 | 5.14 | 0.767 | 0.1367 |
| 0.5 | 15.0 | 4.16 | 0.627 | 0.9374 |
| 0.5 | 45.0 | 6.88 | 0.941 | 0.6112 |
| 0.5 | 75.0 | 9.47 | 1.55 | 1.0163 |
| 0.5 | 105.0 | 10.6 | 2.87 | 2.0525 |
| 0.5 | 135.0 | 7.69 | 2.15 | 1.3087 |
| 0.5 | 165.0 | 7.32 | 1.09 | 1.0931 |
| 0.5 | 195.0 | 5.67 | 0.97 | 0.7925 |
| 0.5 | 225.0 | 8.43 | 2.13 | 3.8413 |
| 0.5 | 255.0 | 14.5 | 3.63 | 2.0094 |
| 0.5 | 285.0 | 16.2 | 2.3 | 1.848 |
| 0.5 | 315.0 | 7.76 | 1.01 | 0.2753 |
| 0.5 | 345.0 | 3.88 | 0.619 | 0.4546 |
| 0.7 | 15.0 | 4.65 | 0.75 | 0.2493 |
| 0.7 | 45.0 | 5.56 | 0.768 | 0.5106 |
| 0.7 | 75.0 | 10.0 | 1.64 | 0.7991 |
| 0.7 | 105.0 | 7.98 | 2.06 | 2.0016 |
| 0.7 | 135.0 | 8.05 | 1.87 | 0.8525 |
| 0.7 | 165.0 | 7.36 | 1.12 | 0.5613 |
| 0.7 | 195.0 | 6.96 | 1.13 | 0.7322 |
| 0.7 | 225.0 | 6.37 | 1.59 | 1.2224 |
| 0.7 | 255.0 | 8.21 | 1.9 | 0.9872 |
| 0.7 | 285.0 | 10.8 | 1.77 | 1.9691 |
| 0.7 | 315.0 | 6.46 | 0.954 | 0.1022 |
| 0.7 | 345.0 | 4.64 | 0.744 | 0.3954 |
| 0.9 | 15.0 | 4.28 | 0.938 | 0.6399 |
| 0.9 | 45.0 | 4.34 | 0.821 | 0.283 |
| 0.9 | 75.0 | 7.77 | 1.31 | 0.7503 |
| 0.9 | 105.0 | 4.05 | 0.82 | 0.8774 |
| 0.9 | 135.0 | 7.54 | 1.51 | 1.0644 |
| 0.9 | 165.0 | 6.18 | 1.13 | 0.9892 |
| 0.9 | 195.0 | 5.75 | 1.06 | 1.0503 |
| 0.9 | 225.0 | 5.26 | 0.999 | 0.9264 |
| 0.9 | 255.0 | 6.33 | 1.14 | 0.7778 |
| 0.9 | 285.0 | 7.42 | 1.32 | 1.1363 |
| 0.9 | 315.0 | 5.6 | 1.07 | 0.5927 |
| 0.9 | 345.0 | 3.17 | 0.616 | 0.3016 |
Experiment comment: