Measurement E9M137
| 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: | 1.22 GeV | |
| ε: | 0.676 | |
| 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 | 8.13 | 1.79 | 0.635 |
| -0.9 | 45.0 | 8.08 | 2.24 | 0.9304 |
| -0.9 | 75.0 | 11.9 | 2.61 | 0.4062 |
| -0.9 | 105.0 | 9.02 | 2.19 | 1.1011 |
| -0.9 | 135.0 | 8.49 | 2.29 | 0.9414 |
| -0.9 | 165.0 | 9.97 | 2.69 | 2.1072 |
| -0.9 | 195.0 | 7.67 | 1.88 | 3.5565 |
| -0.9 | 225.0 | 8.08 | 2.17 | 0.8454 |
| -0.9 | 255.0 | 4.33 | 1.36 | 0.3347 |
| -0.9 | 285.0 | 6.41 | 1.61 | 0.8008 |
| -0.9 | 315.0 | 7.98 | 1.79 | 1.5772 |
| -0.9 | 345.0 | 7.05 | 1.72 | 0.9154 |
| -0.7 | 15.0 | 9.02 | 1.83 | 0.5665 |
| -0.7 | 45.0 | 11.6 | 2.48 | 1.2857 |
| -0.7 | 75.0 | 13.0 | 2.69 | 0.364 |
| -0.7 | 105.0 | 7.47 | 1.83 | 1.2704 |
| -0.7 | 135.0 | 6.65 | 1.72 | 1.2756 |
| -0.7 | 165.0 | 9.12 | 2.18 | 0.4711 |
| -0.7 | 195.0 | 4.82 | 1.16 | 0.855 |
| -0.7 | 225.0 | 6.68 | 1.69 | 2.3746 |
| -0.7 | 255.0 | 7.29 | 1.87 | 1.7834 |
| -0.7 | 285.0 | 10.3 | 2.22 | 1.0957 |
| -0.7 | 315.0 | 12.7 | 2.41 | 0.7794 |
| -0.7 | 345.0 | 10.7 | 2.23 | 0.7517 |
| -0.5 | 15.0 | 9.13 | 1.83 | 0.2837 |
| -0.5 | 45.0 | 17.7 | 3.09 | 2.7009 |
| -0.5 | 75.0 | 17.2 | 3.26 | 2.7152 |
| -0.5 | 105.0 | 14.4 | 3.27 | 1.0356 |
| -0.5 | 135.0 | 9.81 | 2.1 | 0.8076 |
| -0.5 | 165.0 | 8.38 | 1.92 | 0.4359 |
| -0.5 | 195.0 | 6.29 | 1.54 | 0.5929 |
| -0.5 | 225.0 | 12.3 | 2.78 | 1.0607 |
| -0.5 | 255.0 | 17.4 | 3.53 | 1.4387 |
| -0.5 | 285.0 | 14.4 | 2.65 | 0.6856 |
| -0.5 | 315.0 | 14.0 | 2.43 | 1.779 |
| -0.5 | 345.0 | 7.51 | 1.63 | 0.3886 |
| -0.3 | 15.0 | 11.5 | 2.23 | 1.8824 |
| -0.3 | 45.0 | 7.67 | 1.51 | 0.7168 |
| -0.3 | 75.0 | 23.3 | 4.26 | 2.1616 |
| -0.3 | 105.0 | 18.1 | 3.63 | 0.3162 |
| -0.3 | 135.0 | 17.9 | 4.18 | 3.9856 |
| -0.3 | 165.0 | 8.33 | 1.88 | 0.9923 |
| -0.3 | 195.0 | 11.3 | 2.46 | 2.2213 |
| -0.3 | 225.0 | 11.1 | 2.33 | 0.9618 |
| -0.3 | 255.0 | 14.6 | 3.36 | 2.0359 |
| -0.3 | 285.0 | 14.3 | 2.72 | 1.8152 |
| -0.3 | 315.0 | 15.2 | 2.51 | 1.0087 |
| -0.3 | 345.0 | 9.41 | 1.7 | 0.9972 |
| -0.1 | 15.0 | 10.5 | 1.91 | 0.2915 |
| -0.1 | 45.0 | 17.9 | 2.73 | 0.8093 |
| -0.1 | 75.0 | 21.9 | 3.76 | 0.7018 |
| -0.1 | 105.0 | 17.3 | 3.26 | 1.8861 |
| -0.1 | 135.0 | 14.1 | 3.0 | 1.9144 |
| -0.1 | 165.0 | 10.4 | 2.23 | 1.7489 |
| -0.1 | 195.0 | 14.0 | 2.66 | 0.9579 |
| -0.1 | 225.0 | 15.3 | 3.4 | 1.084 |
| -0.1 | 255.0 | 18.2 | 3.72 | 2.6486 |
| -0.1 | 285.0 | 14.9 | 2.55 | 3.1662 |
| -0.1 | 315.0 | 11.3 | 2.0 | 2.9559 |
| -0.1 | 345.0 | 12.6 | 2.21 | 0.1118 |
| 0.1 | 15.0 | 14.0 | 2.22 | 1.0062 |
| 0.1 | 45.0 | 13.2 | 2.4 | 0.7921 |
| 0.1 | 75.0 | 17.4 | 3.3 | 0.5701 |
| 0.1 | 105.0 | 19.7 | 3.63 | 2.4202 |
| 0.1 | 135.0 | 18.4 | 3.88 | 1.4782 |
| 0.1 | 165.0 | 9.95 | 1.97 | 1.6014 |
| 0.1 | 195.0 | 13.2 | 2.54 | 1.852 |
| 0.1 | 225.0 | 13.9 | 3.08 | 3.0008 |
| 0.1 | 255.0 | 14.7 | 2.64 | 2.359 |
| 0.1 | 285.0 | 13.3 | 2.5 | 0.4272 |
| 0.1 | 315.0 | 10.4 | 1.95 | 0.5857 |
| 0.1 | 345.0 | 11.4 | 1.96 | 0.9721 |
| 0.3 | 15.0 | 6.69 | 1.39 | 0.3311 |
| 0.3 | 45.0 | 10.8 | 2.0 | 0.5244 |
| 0.3 | 75.0 | 23.9 | 4.09 | 1.2268 |
| 0.3 | 105.0 | 17.0 | 3.24 | 0.8307 |
| 0.3 | 135.0 | 15.5 | 3.77 | 1.519 |
| 0.3 | 165.0 | 11.5 | 2.52 | 1.005 |
| 0.3 | 195.0 | 11.4 | 2.43 | 1.5995 |
| 0.3 | 225.0 | 16.5 | 4.23 | 0.9552 |
| 0.3 | 255.0 | 16.7 | 3.41 | 1.2083 |
| 0.3 | 285.0 | 17.2 | 3.32 | 0.7331 |
| 0.3 | 315.0 | 17.9 | 3.18 | 1.6171 |
| 0.3 | 345.0 | 8.58 | 1.5 | 1.6732 |
| 0.5 | 15.0 | 8.68 | 1.71 | 0.5033 |
| 0.5 | 45.0 | 8.94 | 1.81 | 0.6981 |
| 0.5 | 75.0 | 18.2 | 3.44 | 1.1247 |
| 0.5 | 105.0 | 15.2 | 3.07 | 2.222 |
| 0.5 | 135.0 | 17.9 | 4.17 | 2.0994 |
| 0.5 | 165.0 | 10.4 | 2.22 | 1.4737 |
| 0.5 | 195.0 | 15.6 | 3.08 | 1.8042 |
| 0.5 | 225.0 | 14.7 | 3.58 | 2.3932 |
| 0.5 | 255.0 | 9.86 | 2.35 | 1.0668 |
| 0.5 | 285.0 | 17.9 | 3.71 | 2.906 |
| 0.5 | 315.0 | 11.3 | 2.11 | 2.1772 |
| 0.5 | 345.0 | 12.2 | 2.34 | 1.7492 |
| 0.7 | 15.0 | 7.31 | 1.45 | 2.3588 |
| 0.7 | 45.0 | 9.03 | 1.71 | 1.6369 |
| 0.7 | 75.0 | 16.2 | 3.68 | 3.3264 |
| 0.7 | 105.0 | 11.6 | 2.59 | 2.8631 |
| 0.7 | 135.0 | 17.5 | 4.21 | 2.2226 |
| 0.7 | 165.0 | 10.1 | 2.23 | 1.2708 |
| 0.7 | 195.0 | 11.9 | 2.47 | 0.967 |
| 0.7 | 225.0 | 13.2 | 3.05 | 1.4186 |
| 0.7 | 255.0 | 15.5 | 3.29 | 1.9013 |
| 0.7 | 285.0 | 16.5 | 3.19 | 1.6837 |
| 0.7 | 315.0 | 11.9 | 2.45 | 0.7794 |
| 0.7 | 345.0 | 8.16 | 1.65 | 1.2726 |
| 0.9 | 15.0 | 4.62 | 1.34 | 0.1672 |
| 0.9 | 45.0 | 12.2 | 2.96 | 2.2458 |
| 0.9 | 75.0 | 14.6 | 3.74 | 3.6377 |
| 0.9 | 105.0 | 19.7 | 4.42 | 2.7414 |
| 0.9 | 135.0 | 10.8 | 2.96 | 1.6584 |
| 0.9 | 165.0 | 8.81 | 1.94 | 1.2552 |
| 0.9 | 195.0 | 25.5 | 5.09 | 6.6387 |
| 0.9 | 225.0 | 14.0 | 3.22 | 1.9868 |
| 0.9 | 255.0 | 8.53 | 2.23 | 0.6827 |
| 0.9 | 285.0 | 11.5 | 3.1 | 1.8439 |
| 0.9 | 315.0 | 8.71 | 2.02 | 1.1261 |
| 0.9 | 345.0 | 6.96 | 1.72 | 0.191 |
Experiment comment: