Measurement E9M262
| 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: | 1.0 — 1.3 GeV2 | |
| W: | 1.26 GeV | |
| ε: | 0.754 | |
| 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 | 2.06 | 0.429 | 0.236 |
| -0.9 | 45.0 | 2.5 | 0.499 | 0.2027 |
| -0.9 | 75.0 | 2.54 | 0.491 | 0.206 |
| -0.9 | 105.0 | 2.47 | 0.483 | 0.2523 |
| -0.9 | 135.0 | 2.53 | 0.539 | 0.3514 |
| -0.9 | 165.0 | 0.701 | 0.211 | 0.2491 |
| -0.9 | 195.0 | 2.99 | 0.72 | 0.9249 |
| -0.9 | 225.0 | 2.39 | 0.567 | 0.1988 |
| -0.9 | 255.0 | 1.33 | 0.337 | 0.0557 |
| -0.9 | 285.0 | 2.87 | 0.569 | 0.3372 |
| -0.9 | 315.0 | 2.92 | 0.582 | 0.4818 |
| -0.9 | 345.0 | 3.05 | 0.641 | 0.6329 |
| -0.7 | 15.0 | 2.47 | 0.414 | 0.221 |
| -0.7 | 45.0 | 3.75 | 0.582 | 0.2981 |
| -0.7 | 75.0 | 3.73 | 0.588 | 0.2575 |
| -0.7 | 105.0 | 2.94 | 0.513 | 0.1851 |
| -0.7 | 135.0 | 3.13 | 0.569 | 0.1827 |
| -0.7 | 165.0 | 1.89 | 0.38 | 0.2359 |
| -0.7 | 195.0 | 1.8 | 0.378 | 0.2916 |
| -0.7 | 225.0 | 2.52 | 0.406 | 0.2931 |
| -0.7 | 255.0 | 4.17 | 0.692 | 0.2429 |
| -0.7 | 285.0 | 3.24 | 0.484 | 0.2981 |
| -0.7 | 315.0 | 3.37 | 0.528 | 0.6128 |
| -0.7 | 345.0 | 3.37 | 0.534 | 0.1261 |
| -0.5 | 15.0 | 4.09 | 0.568 | 0.5043 |
| -0.5 | 45.0 | 4.63 | 0.608 | 0.4527 |
| -0.5 | 75.0 | 5.66 | 0.782 | 0.3531 |
| -0.5 | 105.0 | 3.75 | 0.646 | 0.2503 |
| -0.5 | 135.0 | 2.43 | 0.423 | 0.3816 |
| -0.5 | 165.0 | 2.51 | 0.451 | 0.5059 |
| -0.5 | 195.0 | 2.24 | 0.399 | 0.2842 |
| -0.5 | 225.0 | 2.95 | 0.501 | 0.1244 |
| -0.5 | 255.0 | 6.36 | 0.922 | 0.9623 |
| -0.5 | 285.0 | 4.11 | 0.608 | 0.5276 |
| -0.5 | 315.0 | 5.85 | 0.784 | 0.2219 |
| -0.5 | 345.0 | 3.76 | 0.552 | 0.3383 |
| -0.3 | 15.0 | 4.19 | 0.552 | 0.157 |
| -0.3 | 45.0 | 4.34 | 0.58 | 0.126 |
| -0.3 | 75.0 | 5.63 | 0.795 | 0.1987 |
| -0.3 | 105.0 | 8.79 | 1.26 | 0.596 |
| -0.3 | 135.0 | 3.79 | 0.602 | 0.5149 |
| -0.3 | 165.0 | 2.31 | 0.387 | 0.4442 |
| -0.3 | 195.0 | 1.72 | 0.328 | 0.5274 |
| -0.3 | 225.0 | 4.1 | 0.688 | 0.5185 |
| -0.3 | 255.0 | 8.31 | 1.22 | 1.361 |
| -0.3 | 285.0 | 6.88 | 0.931 | 0.2439 |
| -0.3 | 315.0 | 5.39 | 0.693 | 0.3022 |
| -0.3 | 345.0 | 2.6 | 0.398 | 0.173 |
| -0.1 | 15.0 | 3.29 | 0.449 | 0.1596 |
| -0.1 | 45.0 | 5.71 | 0.747 | 0.4376 |
| -0.1 | 75.0 | 6.26 | 0.812 | 0.9001 |
| -0.1 | 105.0 | 7.12 | 1.1 | 0.2671 |
| -0.1 | 135.0 | 4.91 | 0.785 | 1.3279 |
| -0.1 | 165.0 | 3.76 | 0.596 | 0.4435 |
| -0.1 | 195.0 | 2.63 | 0.43 | 0.4631 |
| -0.1 | 225.0 | 5.22 | 0.918 | 1.0305 |
| -0.1 | 255.0 | 8.01 | 1.15 | 1.086 |
| -0.1 | 285.0 | 4.62 | 0.678 | 0.2262 |
| -0.1 | 315.0 | 4.73 | 0.615 | 0.2253 |
| -0.1 | 345.0 | 3.06 | 0.42 | 0.5037 |
| 0.1 | 15.0 | 3.18 | 0.445 | 0.1584 |
| 0.1 | 45.0 | 3.5 | 0.498 | 0.0656 |
| 0.1 | 75.0 | 7.96 | 1.11 | 0.5659 |
| 0.1 | 105.0 | 7.25 | 1.15 | 0.3442 |
| 0.1 | 135.0 | 5.67 | 0.984 | 0.5098 |
| 0.1 | 165.0 | 3.48 | 0.546 | 0.3866 |
| 0.1 | 195.0 | 3.59 | 0.607 | 0.6117 |
| 0.1 | 225.0 | 6.26 | 0.984 | 0.8968 |
| 0.1 | 255.0 | 6.3 | 0.937 | 0.3363 |
| 0.1 | 285.0 | 7.34 | 1.04 | 0.4635 |
| 0.1 | 315.0 | 3.2 | 0.435 | 0.5351 |
| 0.1 | 345.0 | 3.74 | 0.531 | 0.3867 |
| 0.3 | 15.0 | 2.49 | 0.377 | 0.1278 |
| 0.3 | 45.0 | 3.59 | 0.473 | 0.6158 |
| 0.3 | 75.0 | 6.39 | 0.883 | 0.7629 |
| 0.3 | 105.0 | 5.03 | 0.91 | 0.7112 |
| 0.3 | 135.0 | 4.06 | 0.721 | 0.1522 |
| 0.3 | 165.0 | 3.26 | 0.523 | 0.2564 |
| 0.3 | 195.0 | 3.27 | 0.535 | 0.3311 |
| 0.3 | 225.0 | 4.85 | 0.872 | 0.443 |
| 0.3 | 255.0 | 6.36 | 1.0 | 0.5153 |
| 0.3 | 285.0 | 7.02 | 1.02 | 0.3689 |
| 0.3 | 315.0 | 4.23 | 0.553 | 0.1439 |
| 0.3 | 345.0 | 3.72 | 0.512 | 0.2459 |
| 0.5 | 15.0 | 2.55 | 0.394 | 0.1905 |
| 0.5 | 45.0 | 3.19 | 0.472 | 0.3385 |
| 0.5 | 75.0 | 5.38 | 0.847 | 0.5856 |
| 0.5 | 105.0 | 6.48 | 1.02 | 0.6389 |
| 0.5 | 135.0 | 4.91 | 0.976 | 1.4635 |
| 0.5 | 165.0 | 4.44 | 0.737 | 0.4725 |
| 0.5 | 195.0 | 3.28 | 0.533 | 0.4543 |
| 0.5 | 225.0 | 4.94 | 0.927 | 0.3622 |
| 0.5 | 255.0 | 4.7 | 0.814 | 1.2602 |
| 0.5 | 285.0 | 5.14 | 0.792 | 0.2402 |
| 0.5 | 315.0 | 4.65 | 0.681 | 0.1164 |
| 0.5 | 345.0 | 2.66 | 0.442 | 0.4048 |
| 0.7 | 15.0 | 2.12 | 0.38 | 0.1591 |
| 0.7 | 45.0 | 2.98 | 0.482 | 0.2822 |
| 0.7 | 75.0 | 3.99 | 0.652 | 0.6019 |
| 0.7 | 105.0 | 4.29 | 0.733 | 0.2896 |
| 0.7 | 135.0 | 4.63 | 0.954 | 1.3881 |
| 0.7 | 165.0 | 3.82 | 0.635 | 0.5075 |
| 0.7 | 195.0 | 6.03 | 1.0 | 1.3258 |
| 0.7 | 225.0 | 2.93 | 0.61 | 0.1817 |
| 0.7 | 255.0 | 3.74 | 0.654 | 0.4069 |
| 0.7 | 285.0 | 3.39 | 0.544 | 0.832 |
| 0.7 | 315.0 | 3.23 | 0.498 | 0.3538 |
| 0.7 | 345.0 | 2.31 | 0.411 | 0.1771 |
| 0.9 | 15.0 | 1.54 | 0.348 | 0.1179 |
| 0.9 | 45.0 | 2.47 | 0.508 | 0.2393 |
| 0.9 | 75.0 | 4.27 | 0.877 | 0.8997 |
| 0.9 | 105.0 | 4.34 | 0.951 | 0.7132 |
| 0.9 | 135.0 | 4.12 | 0.847 | 0.7049 |
| 0.9 | 165.0 | 4.3 | 0.817 | 0.6091 |
| 0.9 | 195.0 | 4.37 | 0.958 | 0.9323 |
| 0.9 | 225.0 | 4.79 | 0.966 | 0.7674 |
| 0.9 | 255.0 | 3.15 | 0.706 | 0.5005 |
| 0.9 | 285.0 | 3.34 | 0.679 | 0.3337 |
| 0.9 | 315.0 | 2.54 | 0.518 | 0.2524 |
| 0.9 | 345.0 | 1.81 | 0.363 | 0.2453 |
Experiment comment: