Measurement E9M199
| 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: | 1.2 GeV | |
| ε: | 0.868 | |
| 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 | 4.59 | 0.963 | 0.8808 |
| -0.9 | 45.0 | 8.12 | 1.44 | 0.5262 |
| -0.9 | 75.0 | 5.79 | 1.07 | 1.3989 |
| -0.9 | 105.0 | 8.59 | 1.49 | 0.9508 |
| -0.9 | 135.0 | 4.24 | 0.989 | 0.5343 |
| -0.9 | 165.0 | 6.1 | 1.39 | 0.6143 |
| -0.9 | 195.0 | 6.41 | 1.42 | 0.7802 |
| -0.9 | 225.0 | 9.55 | 1.77 | 0.7596 |
| -0.9 | 255.0 | 9.17 | 1.76 | 1.8622 |
| -0.9 | 285.0 | 7.68 | 1.49 | 0.7642 |
| -0.9 | 315.0 | 9.75 | 1.76 | 1.3261 |
| -0.9 | 345.0 | 6.1 | 1.11 | 0.5427 |
| -0.7 | 15.0 | 6.37 | 1.08 | 0.4334 |
| -0.7 | 45.0 | 8.76 | 1.3 | 0.6161 |
| -0.7 | 75.0 | 9.22 | 1.37 | 0.5809 |
| -0.7 | 105.0 | 11.3 | 1.64 | 0.4873 |
| -0.7 | 135.0 | 12.0 | 1.96 | 1.5757 |
| -0.7 | 165.0 | 6.69 | 1.13 | 0.572 |
| -0.7 | 195.0 | 6.17 | 1.16 | 0.0822 |
| -0.7 | 225.0 | 9.86 | 1.61 | 1.239 |
| -0.7 | 255.0 | 11.9 | 1.76 | 0.7906 |
| -0.7 | 285.0 | 7.58 | 1.18 | 0.6977 |
| -0.7 | 315.0 | 11.2 | 1.54 | 0.6403 |
| -0.7 | 345.0 | 7.96 | 1.2 | 1.4586 |
| -0.5 | 15.0 | 7.09 | 1.07 | 0.5333 |
| -0.5 | 45.0 | 10.9 | 1.46 | 0.4637 |
| -0.5 | 75.0 | 10.9 | 1.48 | 0.7508 |
| -0.5 | 105.0 | 12.1 | 1.68 | 1.3435 |
| -0.5 | 135.0 | 6.35 | 1.12 | 0.8834 |
| -0.5 | 165.0 | 6.56 | 1.15 | 0.6578 |
| -0.5 | 195.0 | 4.31 | 0.744 | 0.4406 |
| -0.5 | 225.0 | 9.69 | 1.33 | 0.6664 |
| -0.5 | 255.0 | 13.4 | 1.8 | 0.7382 |
| -0.5 | 285.0 | 16.7 | 1.97 | 1.0548 |
| -0.5 | 315.0 | 12.0 | 1.53 | 0.4153 |
| -0.5 | 345.0 | 7.81 | 1.21 | 0.5068 |
| -0.3 | 15.0 | 7.36 | 1.1 | 0.5594 |
| -0.3 | 45.0 | 12.0 | 1.56 | 0.7762 |
| -0.3 | 75.0 | 14.2 | 1.66 | 1.505 |
| -0.3 | 105.0 | 11.1 | 1.63 | 1.3973 |
| -0.3 | 135.0 | 15.9 | 2.16 | 1.138 |
| -0.3 | 165.0 | 10.2 | 1.54 | 1.3827 |
| -0.3 | 195.0 | 9.19 | 1.38 | 0.3983 |
| -0.3 | 225.0 | 13.6 | 1.82 | 1.6117 |
| -0.3 | 255.0 | 13.7 | 1.88 | 0.8396 |
| -0.3 | 285.0 | 12.2 | 1.54 | 1.5017 |
| -0.3 | 315.0 | 11.7 | 1.5 | 0.7319 |
| -0.3 | 345.0 | 5.91 | 1.01 | 0.2032 |
| -0.1 | 15.0 | 7.03 | 1.09 | 0.3684 |
| -0.1 | 45.0 | 13.4 | 1.65 | 0.5025 |
| -0.1 | 75.0 | 18.8 | 2.23 | 1.2689 |
| -0.1 | 105.0 | 13.6 | 1.99 | 2.3633 |
| -0.1 | 135.0 | 17.0 | 2.34 | 1.2659 |
| -0.1 | 165.0 | 7.61 | 1.19 | 0.5518 |
| -0.1 | 195.0 | 16.1 | 2.2 | 2.5367 |
| -0.1 | 225.0 | 19.1 | 2.44 | 2.6651 |
| -0.1 | 255.0 | 17.4 | 2.31 | 0.926 |
| -0.1 | 285.0 | 18.2 | 2.08 | 0.8352 |
| -0.1 | 315.0 | 10.2 | 1.37 | 0.25 |
| -0.1 | 345.0 | 10.9 | 1.51 | 0.9366 |
| 0.1 | 15.0 | 6.52 | 1.03 | 0.3337 |
| 0.1 | 45.0 | 14.8 | 1.81 | 1.4569 |
| 0.1 | 75.0 | 17.9 | 2.11 | 0.8718 |
| 0.1 | 105.0 | 19.5 | 2.59 | 1.5572 |
| 0.1 | 135.0 | 16.3 | 2.23 | 1.3666 |
| 0.1 | 165.0 | 11.3 | 1.5 | 0.6892 |
| 0.1 | 195.0 | 12.2 | 1.61 | 0.5477 |
| 0.1 | 225.0 | 13.9 | 2.17 | 0.8846 |
| 0.1 | 255.0 | 19.6 | 2.53 | 0.9301 |
| 0.1 | 285.0 | 17.8 | 2.1 | 1.246 |
| 0.1 | 315.0 | 12.8 | 1.65 | 0.7176 |
| 0.1 | 345.0 | 9.17 | 1.36 | 0.7514 |
| 0.3 | 15.0 | 5.52 | 0.896 | 0.3337 |
| 0.3 | 45.0 | 10.6 | 1.36 | 0.2398 |
| 0.3 | 75.0 | 18.7 | 2.4 | 2.5758 |
| 0.3 | 105.0 | 19.1 | 2.88 | 1.3574 |
| 0.3 | 135.0 | 11.9 | 1.86 | 0.7246 |
| 0.3 | 165.0 | 12.7 | 1.67 | 0.9734 |
| 0.3 | 195.0 | 11.2 | 1.54 | 0.5123 |
| 0.3 | 225.0 | 14.3 | 2.05 | 1.18 |
| 0.3 | 255.0 | 17.5 | 2.61 | 1.7536 |
| 0.3 | 285.0 | 14.9 | 1.81 | 0.2291 |
| 0.3 | 315.0 | 12.4 | 1.52 | 0.5123 |
| 0.3 | 345.0 | 8.5 | 1.37 | 0.5006 |
| 0.5 | 15.0 | 8.22 | 1.43 | 1.4363 |
| 0.5 | 45.0 | 11.5 | 1.67 | 1.0602 |
| 0.5 | 75.0 | 12.8 | 1.73 | 0.5477 |
| 0.5 | 105.0 | 13.1 | 1.96 | 1.0075 |
| 0.5 | 135.0 | 16.8 | 2.39 | 1.2227 |
| 0.5 | 165.0 | 14.0 | 1.8 | 0.9987 |
| 0.5 | 195.0 | 14.7 | 1.86 | 1.1673 |
| 0.5 | 225.0 | 15.3 | 2.12 | 1.3067 |
| 0.5 | 255.0 | 12.3 | 2.04 | 0.7616 |
| 0.5 | 285.0 | 15.1 | 1.77 | 3.5567 |
| 0.5 | 315.0 | 9.39 | 1.27 | 1.1712 |
| 0.5 | 345.0 | 8.02 | 1.26 | 0.5556 |
| 0.7 | 15.0 | 7.29 | 1.23 | 0.9375 |
| 0.7 | 45.0 | 11.1 | 1.5 | 0.6938 |
| 0.7 | 75.0 | 11.9 | 1.64 | 0.7517 |
| 0.7 | 105.0 | 15.0 | 2.1 | 1.5133 |
| 0.7 | 135.0 | 12.9 | 1.86 | 1.243 |
| 0.7 | 165.0 | 13.2 | 1.73 | 0.8529 |
| 0.7 | 195.0 | 12.9 | 1.79 | 1.1864 |
| 0.7 | 225.0 | 11.3 | 1.57 | 0.4153 |
| 0.7 | 255.0 | 12.6 | 1.82 | 0.4664 |
| 0.7 | 285.0 | 12.0 | 1.54 | 0.8 |
| 0.7 | 315.0 | 8.0 | 1.19 | 0.4689 |
| 0.7 | 345.0 | 5.91 | 1.06 | 0.3427 |
| 0.9 | 15.0 | 6.54 | 1.22 | 0.1887 |
| 0.9 | 45.0 | 9.71 | 1.6 | 0.679 |
| 0.9 | 75.0 | 14.5 | 2.15 | 1.8248 |
| 0.9 | 105.0 | 10.0 | 1.59 | 0.8343 |
| 0.9 | 135.0 | 12.1 | 1.94 | 1.3537 |
| 0.9 | 165.0 | 11.3 | 1.84 | 1.7102 |
| 0.9 | 195.0 | 13.8 | 2.43 | 2.2935 |
| 0.9 | 225.0 | 9.93 | 1.69 | 1.211 |
| 0.9 | 255.0 | 12.0 | 1.84 | 1.0607 |
| 0.9 | 285.0 | 9.07 | 1.43 | 1.3712 |
| 0.9 | 315.0 | 6.94 | 1.19 | 0.4129 |
| 0.9 | 345.0 | 4.47 | 1.05 | 0.5481 |
Experiment comment: