Measurement E9M204
| 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: | 1.3 GeV | |
| ε: | 0.839 | |
| 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 | 2.26 | 0.713 | 0.1714 |
| -0.9 | 45.0 | 1.23 | 0.436 | 0.2612 |
| -0.9 | 75.0 | 2.44 | 0.671 | 0.3532 |
| -0.9 | 105.0 | 1.36 | 0.457 | 0.158 |
| -0.9 | 135.0 | 2.64 | 0.725 | 0.4485 |
| -0.9 | 165.0 | 2.0 | 0.574 | 0.4912 |
| -0.9 | 195.0 | 1.02 | 0.335 | 0.3057 |
| -0.9 | 225.0 | 1.38 | 0.498 | 0.1384 |
| -0.9 | 255.0 | 2.1 | 0.558 | 0.407 |
| -0.9 | 285.0 | 2.78 | 0.684 | 0.7609 |
| -0.9 | 315.0 | 1.31 | 0.364 | 0.2391 |
| -0.9 | 345.0 | 1.54 | 0.44 | 0.181 |
| -0.7 | 15.0 | 1.61 | 0.395 | 0.1562 |
| -0.7 | 45.0 | 3.91 | 0.725 | 0.8818 |
| -0.7 | 75.0 | 5.7 | 1.01 | 0.2508 |
| -0.7 | 105.0 | 2.54 | 0.551 | 0.5571 |
| -0.7 | 135.0 | 2.71 | 0.601 | 1.0792 |
| -0.7 | 165.0 | 2.18 | 0.523 | 0.4414 |
| -0.7 | 195.0 | 2.14 | 0.564 | 0.312 |
| -0.7 | 225.0 | 2.48 | 0.645 | 0.4439 |
| -0.7 | 255.0 | 4.94 | 0.94 | 0.4532 |
| -0.7 | 285.0 | 3.96 | 0.798 | 0.6968 |
| -0.7 | 315.0 | 3.92 | 0.738 | 0.4542 |
| -0.7 | 345.0 | 2.03 | 0.416 | 0.1197 |
| -0.5 | 15.0 | 2.32 | 0.466 | 0.2471 |
| -0.5 | 45.0 | 4.97 | 0.776 | 0.4434 |
| -0.5 | 75.0 | 6.16 | 1.07 | 0.7625 |
| -0.5 | 105.0 | 5.71 | 1.31 | 0.9072 |
| -0.5 | 135.0 | 3.05 | 0.691 | 0.79 |
| -0.5 | 165.0 | 0.779 | 0.237 | 0.4558 |
| -0.5 | 195.0 | 2.83 | 0.698 | 0.2194 |
| -0.5 | 225.0 | 2.32 | 0.736 | 0.3893 |
| -0.5 | 255.0 | 5.11 | 1.13 | 0.3312 |
| -0.5 | 285.0 | 4.2 | 0.766 | 0.1056 |
| -0.5 | 315.0 | 3.33 | 0.54 | 0.1598 |
| -0.5 | 345.0 | 3.05 | 0.459 | 0.4096 |
| -0.3 | 15.0 | 2.81 | 0.519 | 0.4137 |
| -0.3 | 45.0 | 4.08 | 0.673 | 0.5433 |
| -0.3 | 75.0 | 6.39 | 1.13 | 0.4229 |
| -0.3 | 105.0 | 10.6 | 2.59 | 1.5374 |
| -0.3 | 135.0 | 7.11 | 1.76 | 0.3959 |
| -0.3 | 165.0 | 3.88 | 0.878 | 0.3023 |
| -0.3 | 195.0 | 2.61 | 0.559 | 0.753 |
| -0.3 | 225.0 | 4.98 | 1.42 | 1.6852 |
| -0.3 | 255.0 | 2.9 | 0.831 | 0.6619 |
| -0.3 | 285.0 | 4.9 | 0.928 | 0.5354 |
| -0.3 | 315.0 | 3.34 | 0.519 | 0.7185 |
| -0.3 | 345.0 | 3.25 | 0.542 | 0.1026 |
| -0.1 | 15.0 | 3.16 | 0.518 | 0.3608 |
| -0.1 | 45.0 | 4.42 | 0.644 | 0.5107 |
| -0.1 | 75.0 | 5.82 | 1.11 | 0.9966 |
| -0.1 | 105.0 | 6.35 | 2.0 | 1.3702 |
| -0.1 | 135.0 | 0.657 | 0.67 | 0.3305 |
| -0.1 | 165.0 | 7.34 | 1.74 | 1.5089 |
| -0.1 | 195.0 | 2.57 | 0.598 | 0.3697 |
| -0.1 | 225.0 | 6.69 | 2.2 | 2.4844 |
| -0.1 | 255.0 | 9.62 | 2.42 | 1.0776 |
| -0.1 | 285.0 | 6.87 | 1.2 | 0.8469 |
| -0.1 | 315.0 | 3.76 | 0.595 | 0.045 |
| -0.1 | 345.0 | 3.91 | 0.615 | 0.2718 |
| 0.1 | 15.0 | 2.88 | 0.497 | 0.07 |
| 0.1 | 45.0 | 5.53 | 0.812 | 0.311 |
| 0.1 | 75.0 | 4.96 | 1.15 | 0.3114 |
| 0.1 | 105.0 | 5.15 | 1.47 | 0.8327 |
| 0.1 | 135.0 | 4.52 | 2.25 | 1.2677 |
| 0.1 | 165.0 | 3.04 | 0.818 | 0.9699 |
| 0.1 | 195.0 | 4.22 | 1.11 | 0.7354 |
| 0.1 | 225.0 | 6.09 | 2.74 | 2.4285 |
| 0.1 | 255.0 | 11.8 | 3.26 | 2.4721 |
| 0.1 | 285.0 | 7.88 | 1.49 | 0.6095 |
| 0.1 | 315.0 | 5.04 | 0.734 | 0.3868 |
| 0.1 | 345.0 | 3.38 | 0.574 | 0.2329 |
| 0.3 | 15.0 | 3.07 | 0.6 | 0.2255 |
| 0.3 | 45.0 | 5.79 | 0.913 | 0.5507 |
| 0.3 | 75.0 | 5.37 | 1.22 | 0.6538 |
| 0.3 | 105.0 | 7.25 | 1.8 | 0.9815 |
| 0.3 | 135.0 | 2.1 | 0.811 | 1.5067 |
| 0.3 | 165.0 | 2.08 | 0.641 | 0.7585 |
| 0.3 | 195.0 | 1.98 | 0.563 | 0.9422 |
| 0.3 | 225.0 | 5.12 | 1.77 | 1.8125 |
| 0.3 | 255.0 | 7.97 | 2.12 | 0.6064 |
| 0.3 | 285.0 | 7.94 | 1.83 | 1.3299 |
| 0.3 | 315.0 | 3.23 | 0.536 | 0.3001 |
| 0.3 | 345.0 | 3.4 | 0.589 | 0.2103 |
| 0.5 | 15.0 | 2.33 | 0.445 | 0.2072 |
| 0.5 | 45.0 | 3.45 | 0.617 | 0.2969 |
| 0.5 | 75.0 | 5.12 | 1.2 | 0.4369 |
| 0.5 | 105.0 | 5.82 | 1.51 | 0.5863 |
| 0.5 | 135.0 | 2.8 | 1.17 | 1.3592 |
| 0.5 | 165.0 | 2.91 | 0.818 | 0.4772 |
| 0.5 | 195.0 | 4.14 | 1.13 | 1.5207 |
| 0.5 | 225.0 | 2.08 | 0.807 | 1.2983 |
| 0.5 | 255.0 | 3.78 | 1.22 | 0.6976 |
| 0.5 | 285.0 | 3.53 | 0.832 | 1.805 |
| 0.5 | 315.0 | 3.4 | 0.576 | 0.105 |
| 0.5 | 345.0 | 2.65 | 0.527 | 0.0763 |
| 0.7 | 15.0 | 1.43 | 0.343 | 0.1424 |
| 0.7 | 45.0 | 2.01 | 0.421 | 0.2486 |
| 0.7 | 75.0 | 3.34 | 0.864 | 0.274 |
| 0.7 | 105.0 | 4.78 | 1.39 | 1.3312 |
| 0.7 | 135.0 | 2.71 | 0.979 | 0.6385 |
| 0.7 | 165.0 | 3.74 | 0.936 | 0.4991 |
| 0.7 | 195.0 | 5.5 | 1.39 | 1.5325 |
| 0.7 | 225.0 | 4.98 | 1.79 | 1.0952 |
| 0.7 | 255.0 | 3.37 | 1.17 | 0.5091 |
| 0.7 | 285.0 | 2.09 | 0.541 | 0.2908 |
| 0.7 | 315.0 | 4.85 | 0.889 | 0.912 |
| 0.7 | 345.0 | 2.1 | 0.513 | 0.1865 |
| 0.9 | 15.0 | 1.53 | 0.395 | 0.0935 |
| 0.9 | 45.0 | 3.43 | 0.846 | 0.7731 |
| 0.9 | 75.0 | 2.14 | 0.572 | 0.1217 |
| 0.9 | 105.0 | 2.46 | 0.832 | 0.9685 |
| 0.9 | 135.0 | 2.57 | 0.875 | 0.2415 |
| 0.9 | 165.0 | 2.93 | 0.792 | 0.71 |
| 0.9 | 195.0 | 2.16 | 0.621 | 0.5175 |
| 0.9 | 225.0 | 2.53 | 0.807 | 0.3616 |
| 0.9 | 255.0 | 1.46 | 0.432 | 0.2069 |
| 0.9 | 285.0 | 3.54 | 1.03 | 0.9739 |
| 0.9 | 315.0 | 1.3 | 0.417 | 0.3061 |
| 0.9 | 345.0 | 1.59 | 0.393 | 0.3265 |
Experiment comment: