Measurement E9M203
| 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: | 1.28 GeV | |
| ε: | 0.846 | |
| 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 | 2.98 | 0.721 | 0.5883 |
| -0.9 | 45.0 | 2.91 | 0.757 | 0.2016 |
| -0.9 | 75.0 | 3.15 | 0.794 | 0.2296 |
| -0.9 | 105.0 | 4.8 | 1.13 | 0.7587 |
| -0.9 | 135.0 | 3.06 | 0.808 | 0.3474 |
| -0.9 | 165.0 | 4.2 | 1.07 | 1.1707 |
| -0.9 | 195.0 | 2.45 | 0.691 | 0.2842 |
| -0.9 | 225.0 | 1.36 | 0.39 | 0.1872 |
| -0.9 | 255.0 | 2.54 | 0.657 | 0.2102 |
| -0.9 | 285.0 | 4.16 | 0.886 | 0.7559 |
| -0.9 | 315.0 | 2.35 | 0.625 | 0.2691 |
| -0.9 | 345.0 | 3.61 | 1.01 | 0.8502 |
| -0.7 | 15.0 | 3.05 | 0.567 | 0.0743 |
| -0.7 | 45.0 | 4.53 | 0.789 | 0.4706 |
| -0.7 | 75.0 | 5.1 | 0.877 | 0.4159 |
| -0.7 | 105.0 | 8.28 | 1.41 | 0.9767 |
| -0.7 | 135.0 | 3.27 | 0.78 | 0.271 |
| -0.7 | 165.0 | 1.46 | 0.376 | 0.7182 |
| -0.7 | 195.0 | 4.31 | 0.955 | 0.5786 |
| -0.7 | 225.0 | 3.26 | 0.625 | 0.5178 |
| -0.7 | 255.0 | 4.82 | 0.871 | 0.3571 |
| -0.7 | 285.0 | 5.24 | 0.855 | 0.7354 |
| -0.7 | 315.0 | 3.3 | 0.605 | 0.374 |
| -0.7 | 345.0 | 3.51 | 0.625 | 0.4413 |
| -0.5 | 15.0 | 3.79 | 0.623 | 0.557 |
| -0.5 | 45.0 | 4.71 | 0.693 | 0.3619 |
| -0.5 | 75.0 | 7.44 | 1.19 | 0.5364 |
| -0.5 | 105.0 | 6.95 | 1.24 | 0.3949 |
| -0.5 | 135.0 | 6.58 | 1.27 | 0.2838 |
| -0.5 | 165.0 | 2.8 | 0.586 | 0.2865 |
| -0.5 | 195.0 | 3.16 | 0.639 | 0.578 |
| -0.5 | 225.0 | 4.79 | 0.924 | 1.1186 |
| -0.5 | 255.0 | 7.84 | 1.44 | 1.3988 |
| -0.5 | 285.0 | 5.38 | 0.821 | 0.1279 |
| -0.5 | 315.0 | 5.19 | 0.719 | 0.64 |
| -0.5 | 345.0 | 3.99 | 0.642 | 0.4345 |
| -0.3 | 15.0 | 3.57 | 0.532 | 0.2269 |
| -0.3 | 45.0 | 7.12 | 0.852 | 0.3954 |
| -0.3 | 75.0 | 5.33 | 0.905 | 0.3517 |
| -0.3 | 105.0 | 5.61 | 1.3 | 0.2903 |
| -0.3 | 135.0 | 6.84 | 1.71 | 1.5933 |
| -0.3 | 165.0 | 3.46 | 0.682 | 0.3395 |
| -0.3 | 195.0 | 4.63 | 0.911 | 0.5184 |
| -0.3 | 225.0 | 8.37 | 1.79 | 1.5151 |
| -0.3 | 255.0 | 11.1 | 1.95 | 0.9247 |
| -0.3 | 285.0 | 11.1 | 1.53 | 1.578 |
| -0.3 | 315.0 | 7.07 | 0.939 | 0.3387 |
| -0.3 | 345.0 | 4.88 | 0.722 | 0.1034 |
| -0.1 | 15.0 | 8.04 | 1.17 | 1.532 |
| -0.1 | 45.0 | 6.04 | 0.865 | 0.1203 |
| -0.1 | 75.0 | 11.9 | 1.9 | 2.0236 |
| -0.1 | 105.0 | 9.79 | 2.23 | 0.963 |
| -0.1 | 135.0 | 6.11 | 1.67 | 1.2203 |
| -0.1 | 165.0 | 3.68 | 0.7 | 0.4827 |
| -0.1 | 195.0 | 3.02 | 0.651 | 0.3094 |
| -0.1 | 225.0 | 4.21 | 1.19 | 0.3459 |
| -0.1 | 255.0 | 11.9 | 2.55 | 1.6956 |
| -0.1 | 285.0 | 10.3 | 1.64 | 1.0659 |
| -0.1 | 315.0 | 4.99 | 0.657 | 0.8854 |
| -0.1 | 345.0 | 3.74 | 0.563 | 0.2447 |
| 0.1 | 15.0 | 4.44 | 0.636 | 0.2169 |
| 0.1 | 45.0 | 7.48 | 0.992 | 0.6212 |
| 0.1 | 75.0 | 7.05 | 1.27 | 0.4276 |
| 0.1 | 105.0 | 10.5 | 3.03 | 1.4233 |
| 0.1 | 135.0 | 7.0 | 1.95 | 1.7717 |
| 0.1 | 165.0 | 8.72 | 1.71 | 1.9882 |
| 0.1 | 195.0 | 3.85 | 0.816 | 0.2889 |
| 0.1 | 225.0 | 4.69 | 1.8 | 0.5538 |
| 0.1 | 255.0 | 5.54 | 1.81 | 0.6929 |
| 0.1 | 285.0 | 8.41 | 1.41 | 0.4075 |
| 0.1 | 315.0 | 5.15 | 0.73 | 0.3284 |
| 0.1 | 345.0 | 5.01 | 0.808 | 0.5423 |
| 0.3 | 15.0 | 3.21 | 0.52 | 0.1217 |
| 0.3 | 45.0 | 4.48 | 0.672 | 0.4823 |
| 0.3 | 75.0 | 11.7 | 2.07 | 1.2857 |
| 0.3 | 105.0 | 6.33 | 1.9 | 0.5054 |
| 0.3 | 135.0 | 5.89 | 2.13 | 0.6734 |
| 0.3 | 165.0 | 3.08 | 0.692 | 0.6316 |
| 0.3 | 195.0 | 3.68 | 0.778 | 0.3985 |
| 0.3 | 225.0 | 10.2 | 2.85 | 0.921 |
| 0.3 | 255.0 | 9.54 | 2.67 | 1.5779 |
| 0.3 | 285.0 | 11.5 | 1.89 | 0.6325 |
| 0.3 | 315.0 | 5.02 | 0.703 | 0.8807 |
| 0.3 | 345.0 | 3.39 | 0.585 | 0.117 |
| 0.5 | 15.0 | 4.2 | 0.662 | 0.2149 |
| 0.5 | 45.0 | 5.13 | 0.773 | 0.3334 |
| 0.5 | 75.0 | 5.61 | 1.18 | 0.671 |
| 0.5 | 105.0 | 4.73 | 1.45 | 1.2096 |
| 0.5 | 135.0 | 13.0 | 4.41 | 4.3475 |
| 0.5 | 165.0 | 6.07 | 1.2 | 0.3289 |
| 0.5 | 195.0 | 5.25 | 1.06 | 0.7157 |
| 0.5 | 225.0 | 3.77 | 1.19 | 1.0448 |
| 0.5 | 255.0 | 6.77 | 1.87 | 1.0306 |
| 0.5 | 285.0 | 7.77 | 1.45 | 0.6362 |
| 0.5 | 315.0 | 4.58 | 0.731 | 0.2571 |
| 0.5 | 345.0 | 3.13 | 0.528 | 0.5282 |
| 0.7 | 15.0 | 2.54 | 0.47 | 0.101 |
| 0.7 | 45.0 | 4.59 | 0.738 | 0.5126 |
| 0.7 | 75.0 | 5.45 | 1.09 | 0.4561 |
| 0.7 | 105.0 | 7.34 | 1.77 | 1.4126 |
| 0.7 | 135.0 | 5.41 | 1.59 | 0.8566 |
| 0.7 | 165.0 | 2.61 | 0.542 | 0.6172 |
| 0.7 | 195.0 | 5.55 | 1.07 | 0.5807 |
| 0.7 | 225.0 | 3.45 | 1.08 | 0.4061 |
| 0.7 | 255.0 | 5.43 | 1.6 | 0.7702 |
| 0.7 | 285.0 | 7.61 | 1.39 | 0.8918 |
| 0.7 | 315.0 | 4.09 | 0.649 | 0.6019 |
| 0.7 | 345.0 | 2.35 | 0.458 | 0.1834 |
| 0.9 | 15.0 | 1.1 | 0.299 | 0.284 |
| 0.9 | 45.0 | 2.53 | 0.649 | 0.3049 |
| 0.9 | 75.0 | 2.51 | 0.594 | 0.3182 |
| 0.9 | 105.0 | 4.09 | 0.884 | 0.594 |
| 0.9 | 135.0 | 4.27 | 1.08 | 0.6344 |
| 0.9 | 165.0 | 4.75 | 1.1 | 0.8885 |
| 0.9 | 195.0 | 4.83 | 1.12 | 0.8713 |
| 0.9 | 225.0 | 3.2 | 0.816 | 0.4943 |
| 0.9 | 255.0 | 4.64 | 0.929 | 0.5616 |
| 0.9 | 285.0 | 2.15 | 0.566 | 0.6337 |
| 0.9 | 315.0 | 2.94 | 0.567 | 0.3463 |
| 0.9 | 345.0 | 1.58 | 0.376 | 0.5418 |
Experiment comment: