Measurement E9M82
| 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: | 0.45 — 0.6 GeV2 | |
| W: | 1.16 GeV | |
| ε: | 0.809 | |
| 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 | 8.74 | 1.83 | 2.0305 |
| -0.9 | 45.0 | 3.91 | 0.97 | 0.4291 |
| -0.9 | 75.0 | 5.14 | 1.17 | 0.6198 |
| -0.9 | 105.0 | 5.2 | 1.08 | 0.4139 |
| -0.9 | 135.0 | 6.83 | 1.4 | 0.8021 |
| -0.9 | 165.0 | 4.06 | 0.955 | 0.6629 |
| -0.9 | 195.0 | 3.48 | 0.88 | 0.4207 |
| -0.9 | 225.0 | 3.93 | 0.995 | 0.4251 |
| -0.9 | 255.0 | 3.74 | 0.825 | 0.2382 |
| -0.9 | 285.0 | 4.6 | 1.04 | 0.6927 |
| -0.9 | 315.0 | 3.97 | 0.96 | 0.5484 |
| -0.9 | 345.0 | 3.4 | 0.823 | 0.5362 |
| -0.7 | 15.0 | 3.64 | 0.683 | 0.6507 |
| -0.7 | 45.0 | 3.86 | 0.74 | 0.3154 |
| -0.7 | 75.0 | 4.95 | 0.847 | 1.1581 |
| -0.7 | 105.0 | 6.46 | 1.08 | 0.3102 |
| -0.7 | 135.0 | 5.5 | 1.15 | 0.7973 |
| -0.7 | 165.0 | 5.65 | 0.951 | 0.3126 |
| -0.7 | 195.0 | 6.5 | 1.14 | 0.8549 |
| -0.7 | 225.0 | 6.36 | 1.07 | 0.7973 |
| -0.7 | 255.0 | 5.35 | 0.946 | 0.4904 |
| -0.7 | 285.0 | 5.38 | 1.03 | 1.1157 |
| -0.7 | 315.0 | 3.64 | 0.684 | 0.2912 |
| -0.7 | 345.0 | 7.39 | 1.25 | 0.8447 |
| -0.5 | 15.0 | 4.47 | 0.781 | 0.8386 |
| -0.5 | 45.0 | 7.5 | 1.24 | 0.8425 |
| -0.5 | 75.0 | 7.87 | 1.31 | 0.7424 |
| -0.5 | 105.0 | 8.26 | 1.42 | 0.7943 |
| -0.5 | 135.0 | 9.25 | 1.5 | 0.9313 |
| -0.5 | 165.0 | 7.89 | 1.27 | 0.6649 |
| -0.5 | 195.0 | 5.52 | 0.911 | 0.4986 |
| -0.5 | 225.0 | 5.56 | 1.02 | 0.3747 |
| -0.5 | 255.0 | 6.37 | 1.14 | 1.6107 |
| -0.5 | 285.0 | 5.92 | 1.01 | 0.5969 |
| -0.5 | 315.0 | 9.36 | 1.47 | 0.7264 |
| -0.5 | 345.0 | 3.89 | 0.687 | 0.2336 |
| -0.3 | 15.0 | 6.24 | 1.09 | 0.3772 |
| -0.3 | 45.0 | 3.97 | 0.685 | 0.4197 |
| -0.3 | 75.0 | 9.33 | 1.48 | 0.4074 |
| -0.3 | 105.0 | 7.3 | 1.28 | 0.6064 |
| -0.3 | 135.0 | 7.05 | 1.28 | 1.1801 |
| -0.3 | 165.0 | 9.13 | 1.38 | 0.8933 |
| -0.3 | 195.0 | 10.8 | 1.67 | 1.8257 |
| -0.3 | 225.0 | 6.9 | 1.23 | 0.9714 |
| -0.3 | 255.0 | 10.3 | 1.72 | 0.9976 |
| -0.3 | 285.0 | 7.4 | 1.19 | 0.2887 |
| -0.3 | 315.0 | 7.24 | 1.07 | 0.7373 |
| -0.3 | 345.0 | 5.4 | 0.958 | 0.3614 |
| -0.1 | 15.0 | 4.64 | 0.822 | 1.0463 |
| -0.1 | 45.0 | 7.4 | 1.09 | 0.2804 |
| -0.1 | 75.0 | 8.87 | 1.37 | 0.5444 |
| -0.1 | 105.0 | 8.65 | 1.53 | 0.1258 |
| -0.1 | 135.0 | 9.22 | 1.46 | 0.4097 |
| -0.1 | 165.0 | 7.2 | 1.06 | 0.2173 |
| -0.1 | 195.0 | 7.73 | 1.14 | 0.6235 |
| -0.1 | 225.0 | 9.16 | 1.52 | 0.6275 |
| -0.1 | 255.0 | 11.2 | 1.93 | 0.8796 |
| -0.1 | 285.0 | 8.85 | 1.49 | 1.0234 |
| -0.1 | 315.0 | 5.16 | 0.901 | 0.4202 |
| -0.1 | 345.0 | 5.89 | 1.09 | 0.8265 |
| 0.1 | 15.0 | 6.86 | 1.23 | 1.1343 |
| 0.1 | 45.0 | 5.09 | 0.941 | 0.0594 |
| 0.1 | 75.0 | 10.2 | 1.58 | 0.6845 |
| 0.1 | 105.0 | 9.16 | 1.53 | 1.5742 |
| 0.1 | 135.0 | 6.79 | 1.21 | 0.337 |
| 0.1 | 165.0 | 10.4 | 1.45 | 1.0905 |
| 0.1 | 195.0 | 8.09 | 1.16 | 0.4525 |
| 0.1 | 225.0 | 8.5 | 1.51 | 0.7579 |
| 0.1 | 255.0 | 14.6 | 2.32 | 0.5657 |
| 0.1 | 285.0 | 6.41 | 1.08 | 0.6012 |
| 0.1 | 315.0 | 7.28 | 1.11 | 0.4275 |
| 0.1 | 345.0 | 5.26 | 0.912 | 0.1704 |
| 0.3 | 15.0 | 5.61 | 1.1 | 0.3736 |
| 0.3 | 45.0 | 7.21 | 1.05 | 0.4429 |
| 0.3 | 75.0 | 8.99 | 1.36 | 0.9845 |
| 0.3 | 105.0 | 11.5 | 1.83 | 1.2549 |
| 0.3 | 135.0 | 7.98 | 1.44 | 0.9611 |
| 0.3 | 165.0 | 9.32 | 1.39 | 0.6191 |
| 0.3 | 195.0 | 9.76 | 1.43 | 0.4447 |
| 0.3 | 225.0 | 12.3 | 1.94 | 1.9126 |
| 0.3 | 255.0 | 10.7 | 1.78 | 0.3869 |
| 0.3 | 285.0 | 11.2 | 1.66 | 0.8231 |
| 0.3 | 315.0 | 7.58 | 1.24 | 0.5643 |
| 0.3 | 345.0 | 5.21 | 0.945 | 0.1145 |
| 0.5 | 15.0 | 4.12 | 0.766 | 0.5452 |
| 0.5 | 45.0 | 7.06 | 1.07 | 0.5969 |
| 0.5 | 75.0 | 7.39 | 1.22 | 0.5072 |
| 0.5 | 105.0 | 9.01 | 1.44 | 1.0113 |
| 0.5 | 135.0 | 10.4 | 1.59 | 0.3905 |
| 0.5 | 165.0 | 10.1 | 1.42 | 0.4226 |
| 0.5 | 195.0 | 9.78 | 1.41 | 1.4809 |
| 0.5 | 225.0 | 7.64 | 1.41 | 1.0297 |
| 0.5 | 255.0 | 10.1 | 1.63 | 1.3227 |
| 0.5 | 285.0 | 5.59 | 1.02 | 0.6508 |
| 0.5 | 315.0 | 6.49 | 1.02 | 0.2842 |
| 0.5 | 345.0 | 5.98 | 1.08 | 1.1973 |
| 0.7 | 15.0 | 4.64 | 0.845 | 0.3501 |
| 0.7 | 45.0 | 3.66 | 0.689 | 0.3429 |
| 0.7 | 75.0 | 7.66 | 1.31 | 0.2595 |
| 0.7 | 105.0 | 12.8 | 2.03 | 0.7665 |
| 0.7 | 135.0 | 9.46 | 1.59 | 0.8696 |
| 0.7 | 165.0 | 7.61 | 1.19 | 1.2862 |
| 0.7 | 195.0 | 9.79 | 1.39 | 1.1686 |
| 0.7 | 225.0 | 7.22 | 1.25 | 0.8333 |
| 0.7 | 255.0 | 9.09 | 1.42 | 0.9239 |
| 0.7 | 285.0 | 6.93 | 1.15 | 0.2771 |
| 0.7 | 315.0 | 7.89 | 1.23 | 0.5603 |
| 0.7 | 345.0 | 5.71 | 1.02 | 0.9334 |
| 0.9 | 15.0 | 6.26 | 1.24 | 1.0077 |
| 0.9 | 45.0 | 7.16 | 1.24 | 0.7824 |
| 0.9 | 75.0 | 8.59 | 1.54 | 0.704 |
| 0.9 | 105.0 | 7.27 | 1.23 | 0.7939 |
| 0.9 | 135.0 | 6.95 | 1.33 | 0.8643 |
| 0.9 | 165.0 | 11.7 | 1.99 | 2.4241 |
| 0.9 | 195.0 | 8.42 | 1.41 | 0.8472 |
| 0.9 | 225.0 | 6.99 | 1.18 | 0.6442 |
| 0.9 | 255.0 | 8.11 | 1.54 | 1.5001 |
| 0.9 | 285.0 | 8.86 | 1.43 | 0.8288 |
| 0.9 | 315.0 | 7.96 | 1.35 | 0.852 |
| 0.9 | 345.0 | 8.62 | 1.54 | 1.5766 |
Experiment comment: