Measurement E9M4
| 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: | 1.16 GeV | |
| ε: | 0.858 | |
| 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 | 5.19 | 1.1 | 0.9542 |
| -0.9 | 45.0 | 4.82 | 1.04 | 0.6377 |
| -0.9 | 75.0 | 3.89 | 0.917 | 0.5741 |
| -0.9 | 105.0 | 5.95 | 1.17 | 1.1265 |
| -0.9 | 135.0 | 6.19 | 1.37 | 1.2773 |
| -0.9 | 165.0 | 5.95 | 1.29 | 0.9127 |
| -0.9 | 195.0 | 4.63 | 1.12 | 0.5135 |
| -0.9 | 225.0 | 6.53 | 1.31 | 0.9026 |
| -0.9 | 255.0 | 5.55 | 1.21 | 0.3325 |
| -0.9 | 285.0 | 7.4 | 1.54 | 1.6948 |
| -0.9 | 315.0 | 4.57 | 1.01 | 0.8575 |
| -0.9 | 345.0 | 12.5 | 2.37 | 2.3356 |
| -0.7 | 15.0 | 4.71 | 0.919 | 0.4878 |
| -0.7 | 45.0 | 6.16 | 1.04 | 0.7373 |
| -0.7 | 75.0 | 9.28 | 1.54 | 0.7997 |
| -0.7 | 105.0 | 7.72 | 1.34 | 0.8659 |
| -0.7 | 135.0 | 5.39 | 1.14 | 1.7219 |
| -0.7 | 165.0 | 8.98 | 1.59 | 0.4903 |
| -0.7 | 195.0 | 9.32 | 1.76 | 1.8287 |
| -0.7 | 225.0 | 11.1 | 1.65 | 0.8998 |
| -0.7 | 255.0 | 8.74 | 1.39 | 0.4013 |
| -0.7 | 285.0 | 8.11 | 1.33 | 1.1969 |
| -0.7 | 315.0 | 7.13 | 1.28 | 0.8973 |
| -0.7 | 345.0 | 9.65 | 1.73 | 1.5436 |
| -0.5 | 15.0 | 5.36 | 0.932 | 1.0369 |
| -0.5 | 45.0 | 8.68 | 1.37 | 0.4048 |
| -0.5 | 75.0 | 9.65 | 1.46 | 0.1788 |
| -0.5 | 105.0 | 8.67 | 1.44 | 0.6034 |
| -0.5 | 135.0 | 9.39 | 1.56 | 0.6204 |
| -0.5 | 165.0 | 8.15 | 1.45 | 0.4341 |
| -0.5 | 195.0 | 7.1 | 1.17 | 0.3414 |
| -0.5 | 225.0 | 9.82 | 1.55 | 0.3864 |
| -0.5 | 255.0 | 11.4 | 1.66 | 0.5766 |
| -0.5 | 285.0 | 9.11 | 1.33 | 1.7303 |
| -0.5 | 315.0 | 7.54 | 1.27 | 0.8955 |
| -0.5 | 345.0 | 6.42 | 1.18 | 0.3516 |
| -0.3 | 15.0 | 8.57 | 1.44 | 0.7565 |
| -0.3 | 45.0 | 8.72 | 1.42 | 0.5687 |
| -0.3 | 75.0 | 11.1 | 1.6 | 0.792 |
| -0.3 | 105.0 | 10.8 | 1.64 | 1.2175 |
| -0.3 | 135.0 | 11.1 | 1.86 | 0.3082 |
| -0.3 | 165.0 | 9.48 | 1.4 | 0.7356 |
| -0.3 | 195.0 | 8.8 | 1.33 | 1.0255 |
| -0.3 | 225.0 | 11.6 | 1.93 | 2.1986 |
| -0.3 | 255.0 | 9.13 | 1.51 | 1.225 |
| -0.3 | 285.0 | 10.0 | 1.43 | 0.7194 |
| -0.3 | 315.0 | 9.0 | 1.25 | 1.2864 |
| -0.3 | 345.0 | 5.72 | 0.975 | 0.5199 |
| -0.1 | 15.0 | 7.79 | 1.41 | 0.6149 |
| -0.1 | 45.0 | 11.2 | 1.61 | 0.5148 |
| -0.1 | 75.0 | 13.5 | 1.99 | 1.138 |
| -0.1 | 105.0 | 11.0 | 1.87 | 1.5708 |
| -0.1 | 135.0 | 12.0 | 2.1 | 0.6964 |
| -0.1 | 165.0 | 9.98 | 1.57 | 0.7714 |
| -0.1 | 195.0 | 11.2 | 1.59 | 0.7106 |
| -0.1 | 225.0 | 7.88 | 1.5 | 0.5602 |
| -0.1 | 255.0 | 10.8 | 1.9 | 0.5701 |
| -0.1 | 285.0 | 11.4 | 1.74 | 0.2345 |
| -0.1 | 315.0 | 5.7 | 0.979 | 0.61 |
| -0.1 | 345.0 | 7.03 | 1.31 | 0.7062 |
| 0.1 | 15.0 | 9.83 | 1.62 | 1.4048 |
| 0.1 | 45.0 | 8.16 | 1.32 | 0.4367 |
| 0.1 | 75.0 | 12.9 | 2.04 | 0.6874 |
| 0.1 | 105.0 | 11.9 | 2.08 | 0.1658 |
| 0.1 | 135.0 | 14.1 | 2.23 | 0.7018 |
| 0.1 | 165.0 | 7.95 | 1.36 | 0.2582 |
| 0.1 | 195.0 | 8.23 | 1.29 | 1.3082 |
| 0.1 | 225.0 | 13.8 | 2.24 | 1.2689 |
| 0.1 | 255.0 | 17.6 | 2.61 | 0.8078 |
| 0.1 | 285.0 | 10.6 | 1.59 | 0.3082 |
| 0.1 | 315.0 | 8.69 | 1.35 | 0.5278 |
| 0.1 | 345.0 | 5.77 | 0.966 | 0.9691 |
| 0.3 | 15.0 | 7.1 | 1.13 | 0.6164 |
| 0.3 | 45.0 | 7.95 | 1.31 | 0.3598 |
| 0.3 | 75.0 | 11.2 | 1.8 | 0.7467 |
| 0.3 | 105.0 | 17.2 | 2.86 | 0.3905 |
| 0.3 | 135.0 | 16.5 | 2.76 | 1.6031 |
| 0.3 | 165.0 | 11.7 | 1.68 | 0.6364 |
| 0.3 | 195.0 | 12.5 | 1.77 | 0.9874 |
| 0.3 | 225.0 | 9.76 | 1.61 | 0.8267 |
| 0.3 | 255.0 | 15.6 | 2.66 | 2.0248 |
| 0.3 | 285.0 | 11.2 | 1.82 | 0.5895 |
| 0.3 | 315.0 | 6.87 | 1.1 | 0.8251 |
| 0.3 | 345.0 | 4.6 | 0.864 | 0.1477 |
| 0.5 | 15.0 | 5.24 | 0.999 | 0.5521 |
| 0.5 | 45.0 | 9.53 | 1.43 | 0.5314 |
| 0.5 | 75.0 | 12.1 | 2.01 | 1.2867 |
| 0.5 | 105.0 | 11.3 | 2.08 | 0.6205 |
| 0.5 | 135.0 | 12.5 | 2.37 | 2.5465 |
| 0.5 | 165.0 | 11.6 | 1.75 | 0.789 |
| 0.5 | 195.0 | 12.4 | 1.75 | 0.5025 |
| 0.5 | 225.0 | 13.1 | 2.09 | 1.793 |
| 0.5 | 255.0 | 10.7 | 2.0 | 1.0276 |
| 0.5 | 285.0 | 11.4 | 1.65 | 0.7416 |
| 0.5 | 315.0 | 8.94 | 1.29 | 0.5899 |
| 0.5 | 345.0 | 6.28 | 1.17 | 0.3716 |
| 0.7 | 15.0 | 6.26 | 1.19 | 0.8154 |
| 0.7 | 45.0 | 7.55 | 1.31 | 0.4224 |
| 0.7 | 75.0 | 12.9 | 1.96 | 1.092 |
| 0.7 | 105.0 | 9.28 | 1.71 | 0.9864 |
| 0.7 | 135.0 | 12.4 | 2.12 | 1.8134 |
| 0.7 | 165.0 | 10.0 | 1.56 | 0.7666 |
| 0.7 | 195.0 | 14.0 | 2.0 | 2.0205 |
| 0.7 | 225.0 | 11.6 | 1.89 | 1.163 |
| 0.7 | 255.0 | 8.86 | 1.54 | 0.3306 |
| 0.7 | 285.0 | 9.21 | 1.48 | 1.4138 |
| 0.7 | 315.0 | 7.1 | 1.21 | 0.5609 |
| 0.7 | 345.0 | 6.3 | 1.11 | 0.3887 |
| 0.9 | 15.0 | 5.93 | 1.14 | 0.6055 |
| 0.9 | 45.0 | 5.26 | 1.1 | 1.8714 |
| 0.9 | 75.0 | 9.93 | 1.64 | 0.6795 |
| 0.9 | 105.0 | 10.6 | 1.65 | 1.6086 |
| 0.9 | 135.0 | 14.5 | 2.34 | 1.9506 |
| 0.9 | 165.0 | 8.51 | 1.5 | 0.5579 |
| 0.9 | 195.0 | 8.59 | 1.42 | 0.9811 |
| 0.9 | 225.0 | 15.5 | 2.52 | 1.8688 |
| 0.9 | 255.0 | 9.52 | 1.64 | 1.0411 |
| 0.9 | 285.0 | 13.9 | 2.21 | 1.6748 |
| 0.9 | 315.0 | 7.05 | 1.35 | 0.8676 |
| 0.9 | 345.0 | 7.73 | 1.61 | 0.8012 |
Experiment comment: