Measurement E9M10
| 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: | 0.35 — 0.45 GeV2 | |
| W: | 1.28 GeV | |
| ε: | 0.803 | |
| 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 | 4.1 | 0.746 | 0.4486 |
| -0.9 | 45.0 | 5.67 | 0.98 | 0.4996 |
| -0.9 | 75.0 | 5.35 | 0.902 | 0.6799 |
| -0.9 | 105.0 | 6.74 | 1.25 | 0.7767 |
| -0.9 | 135.0 | 5.63 | 1.07 | 0.5978 |
| -0.9 | 165.0 | 3.81 | 0.864 | 0.4922 |
| -0.9 | 195.0 | 3.23 | 0.763 | 0.5674 |
| -0.9 | 225.0 | 3.66 | 0.805 | 1.1365 |
| -0.9 | 255.0 | 5.46 | 0.993 | 0.5484 |
| -0.9 | 285.0 | 6.1 | 1.13 | 0.6473 |
| -0.9 | 315.0 | 3.15 | 0.624 | 0.4399 |
| -0.9 | 345.0 | 4.42 | 0.885 | 0.4121 |
| -0.7 | 15.0 | 6.57 | 0.857 | 0.1866 |
| -0.7 | 45.0 | 7.8 | 0.999 | 0.2406 |
| -0.7 | 75.0 | 11.9 | 1.61 | 0.5612 |
| -0.7 | 105.0 | 11.6 | 2.06 | 2.1693 |
| -0.7 | 135.0 | 7.82 | 1.54 | 0.1899 |
| -0.7 | 165.0 | 3.94 | 0.745 | 0.4757 |
| -0.7 | 195.0 | 3.64 | 0.685 | 0.4756 |
| -0.7 | 225.0 | 8.01 | 1.48 | 0.6489 |
| -0.7 | 255.0 | 9.65 | 1.57 | 0.7055 |
| -0.7 | 285.0 | 10.4 | 1.49 | 0.5609 |
| -0.7 | 315.0 | 6.72 | 0.916 | 0.2022 |
| -0.7 | 345.0 | 6.09 | 0.831 | 0.609 |
| -0.5 | 15.0 | 7.45 | 0.82 | 0.1412 |
| -0.5 | 45.0 | 11.9 | 1.28 | 0.8803 |
| -0.5 | 75.0 | 13.2 | 1.97 | 1.4841 |
| -0.5 | 105.0 | 16.1 | 2.94 | 1.4474 |
| -0.5 | 135.0 | 7.09 | 1.84 | 0.2283 |
| -0.5 | 165.0 | 5.02 | 1.01 | 1.3365 |
| -0.5 | 195.0 | 3.42 | 0.685 | 0.3612 |
| -0.5 | 225.0 | 7.73 | 1.8 | 2.1184 |
| -0.5 | 255.0 | 8.78 | 1.86 | 1.2698 |
| -0.5 | 285.0 | 10.5 | 1.5 | 1.0173 |
| -0.5 | 315.0 | 13.8 | 1.42 | 0.4822 |
| -0.5 | 345.0 | 6.56 | 0.794 | 0.4835 |
| -0.3 | 15.0 | 8.74 | 0.914 | 0.3435 |
| -0.3 | 45.0 | 12.4 | 1.24 | 1.1336 |
| -0.3 | 75.0 | 16.3 | 2.25 | 1.1 |
| -0.3 | 105.0 | 14.7 | 2.7 | 2.0917 |
| -0.3 | 135.0 | 12.5 | 2.69 | 2.119 |
| -0.3 | 165.0 | 6.28 | 1.34 | 0.4708 |
| -0.3 | 195.0 | 4.03 | 0.946 | 0.4636 |
| -0.3 | 225.0 | 7.62 | 2.3 | 0.4848 |
| -0.3 | 255.0 | 15.0 | 2.63 | 2.2875 |
| -0.3 | 285.0 | 14.2 | 2.07 | 0.7382 |
| -0.3 | 315.0 | 9.27 | 0.992 | 1.5736 |
| -0.3 | 345.0 | 7.8 | 0.846 | 0.4007 |
| -0.1 | 15.0 | 9.74 | 1.04 | 0.9073 |
| -0.1 | 45.0 | 11.9 | 1.31 | 0.4301 |
| -0.1 | 75.0 | 13.5 | 2.01 | 0.7106 |
| -0.1 | 105.0 | 14.5 | 1.92 | 0.5788 |
| -0.1 | 135.0 | 7.07 | 1.45 | 0.6901 |
| -0.1 | 165.0 | 8.01 | 1.88 | 1.052 |
| -0.1 | 195.0 | 7.79 | 1.88 | 1.2888 |
| -0.1 | 225.0 | 15.9 | 2.66 | 1.5867 |
| -0.1 | 255.0 | 14.9 | 2.19 | 1.6256 |
| -0.1 | 285.0 | 10.9 | 1.6 | 1.3143 |
| -0.1 | 315.0 | 11.8 | 1.27 | 0.3808 |
| -0.1 | 345.0 | 6.39 | 0.729 | 0.3748 |
| 0.1 | 15.0 | 8.73 | 0.973 | 0.9209 |
| 0.1 | 45.0 | 14.2 | 1.51 | 0.4743 |
| 0.1 | 75.0 | 16.3 | 2.03 | 1.3295 |
| 0.1 | 105.0 | 18.8 | 2.07 | 1.2186 |
| 0.1 | 135.0 | 9.39 | 1.43 | 0.3218 |
| 0.1 | 165.0 | 5.03 | 1.83 | 1.3073 |
| 0.1 | 195.0 | 7.98 | 2.28 | 0.8432 |
| 0.1 | 225.0 | 14.0 | 1.93 | 1.1258 |
| 0.1 | 255.0 | 13.4 | 1.63 | 2.0634 |
| 0.1 | 285.0 | 19.7 | 2.74 | 3.1753 |
| 0.1 | 315.0 | 13.4 | 1.43 | 0.55 |
| 0.1 | 345.0 | 8.0 | 0.828 | 0.9057 |
| 0.3 | 15.0 | 5.59 | 0.714 | 0.1997 |
| 0.3 | 45.0 | 13.5 | 1.56 | 1.0989 |
| 0.3 | 75.0 | 13.9 | 1.94 | 0.4 |
| 0.3 | 105.0 | 12.4 | 1.38 | 0.2828 |
| 0.3 | 135.0 | 11.3 | 1.49 | 1.241 |
| 0.3 | 165.0 | 13.3 | 4.35 | 3.1652 |
| 0.3 | 195.0 | 11.4 | 3.51 | 3.8875 |
| 0.3 | 225.0 | 13.8 | 1.81 | 1.301 |
| 0.3 | 255.0 | 14.3 | 1.51 | 0.3391 |
| 0.3 | 285.0 | 15.1 | 1.92 | 0.364 |
| 0.3 | 315.0 | 12.1 | 1.39 | 0.2345 |
| 0.3 | 345.0 | 9.08 | 1.01 | 0.3483 |
| 0.5 | 15.0 | 6.5 | 0.761 | 0.725 |
| 0.5 | 45.0 | 9.84 | 1.27 | 0.4217 |
| 0.5 | 75.0 | 15.1 | 1.98 | 0.4153 |
| 0.5 | 105.0 | 15.6 | 1.61 | 1.0356 |
| 0.5 | 135.0 | 10.4 | 1.33 | 0.8774 |
| 0.5 | 165.0 | 9.39 | 2.55 | 3.2282 |
| 0.5 | 195.0 | 7.81 | 2.62 | 2.1037 |
| 0.5 | 225.0 | 8.2 | 1.14 | 1.9979 |
| 0.5 | 255.0 | 17.0 | 1.84 | 0.6928 |
| 0.5 | 285.0 | 18.5 | 2.26 | 1.1391 |
| 0.5 | 315.0 | 10.2 | 1.39 | 1.1686 |
| 0.5 | 345.0 | 6.78 | 0.84 | 0.319 |
| 0.7 | 15.0 | 5.73 | 0.787 | 0.5849 |
| 0.7 | 45.0 | 6.74 | 1.0 | 0.3874 |
| 0.7 | 75.0 | 6.36 | 1.05 | 1.3566 |
| 0.7 | 105.0 | 13.9 | 1.8 | 1.4891 |
| 0.7 | 135.0 | 8.52 | 1.3 | 0.9978 |
| 0.7 | 165.0 | 9.36 | 2.74 | 2.846 |
| 0.7 | 195.0 | 4.43 | 1.64 | 3.6917 |
| 0.7 | 225.0 | 6.14 | 1.08 | 1.1057 |
| 0.7 | 255.0 | 9.36 | 1.25 | 2.1678 |
| 0.7 | 285.0 | 11.4 | 1.68 | 0.5385 |
| 0.7 | 315.0 | 7.33 | 1.08 | 0.5493 |
| 0.7 | 345.0 | 5.39 | 0.74 | 0.2789 |
| 0.9 | 15.0 | 4.43 | 0.752 | 0.3881 |
| 0.9 | 45.0 | 4.38 | 0.758 | 0.9391 |
| 0.9 | 75.0 | 4.28 | 0.942 | 0.8584 |
| 0.9 | 105.0 | 7.47 | 1.62 | 1.0257 |
| 0.9 | 135.0 | 3.27 | 0.949 | 0.7684 |
| 0.9 | 165.0 | 5.37 | 1.41 | 1.5319 |
| 0.9 | 195.0 | 5.27 | 1.61 | 0.9718 |
| 0.9 | 225.0 | 7.44 | 1.77 | 1.6677 |
| 0.9 | 255.0 | 4.78 | 1.1 | 0.8412 |
| 0.9 | 285.0 | 5.89 | 1.17 | 1.1377 |
| 0.9 | 315.0 | 7.27 | 1.24 | 1.1347 |
| 0.9 | 345.0 | 4.36 | 0.721 | 0.6275 |
Experiment comment: