Measurement E9M260
| 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: | 1.22 GeV | |
| ε: | 0.77 | |
| 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 | 3.64 | 0.667 | 0.453 |
| -0.9 | 45.0 | 4.03 | 0.738 | 0.1704 |
| -0.9 | 75.0 | 3.63 | 0.682 | 0.2521 |
| -0.9 | 105.0 | 4.58 | 0.853 | 0.2505 |
| -0.9 | 135.0 | 3.34 | 0.625 | 0.6395 |
| -0.9 | 165.0 | 2.88 | 0.558 | 0.8041 |
| -0.9 | 195.0 | 4.29 | 0.885 | 0.7999 |
| -0.9 | 225.0 | 2.89 | 0.526 | 0.5746 |
| -0.9 | 255.0 | 3.97 | 0.702 | 0.369 |
| -0.9 | 285.0 | 5.27 | 0.901 | 0.4569 |
| -0.9 | 315.0 | 4.88 | 0.87 | 0.6893 |
| -0.9 | 345.0 | 4.13 | 0.759 | 0.2532 |
| -0.7 | 15.0 | 6.44 | 0.909 | 0.6379 |
| -0.7 | 45.0 | 5.0 | 0.713 | 0.1779 |
| -0.7 | 75.0 | 6.47 | 0.855 | 0.4193 |
| -0.7 | 105.0 | 5.22 | 0.773 | 0.3323 |
| -0.7 | 135.0 | 7.6 | 1.11 | 0.8877 |
| -0.7 | 165.0 | 4.54 | 0.773 | 0.6752 |
| -0.7 | 195.0 | 3.67 | 0.619 | 0.3564 |
| -0.7 | 225.0 | 4.37 | 0.706 | 0.1089 |
| -0.7 | 255.0 | 5.69 | 0.777 | 0.434 |
| -0.7 | 285.0 | 6.08 | 0.809 | 0.7727 |
| -0.7 | 315.0 | 4.89 | 0.693 | 0.1966 |
| -0.7 | 345.0 | 4.37 | 0.66 | 0.2021 |
| -0.5 | 15.0 | 5.22 | 0.747 | 0.1109 |
| -0.5 | 45.0 | 6.79 | 0.875 | 0.2065 |
| -0.5 | 75.0 | 8.07 | 1.03 | 0.7253 |
| -0.5 | 105.0 | 8.47 | 0.998 | 1.0252 |
| -0.5 | 135.0 | 8.7 | 1.11 | 0.7864 |
| -0.5 | 165.0 | 5.77 | 0.829 | 0.7241 |
| -0.5 | 195.0 | 4.29 | 0.647 | 0.3402 |
| -0.5 | 225.0 | 5.93 | 0.803 | 0.3809 |
| -0.5 | 255.0 | 9.04 | 1.19 | 0.8324 |
| -0.5 | 285.0 | 8.86 | 1.11 | 0.6383 |
| -0.5 | 315.0 | 6.89 | 0.899 | 0.0869 |
| -0.5 | 345.0 | 6.08 | 0.801 | 0.2224 |
| -0.3 | 15.0 | 4.78 | 0.671 | 0.444 |
| -0.3 | 45.0 | 6.14 | 0.777 | 0.3785 |
| -0.3 | 75.0 | 10.2 | 1.3 | 1.0226 |
| -0.3 | 105.0 | 10.0 | 1.28 | 0.8276 |
| -0.3 | 135.0 | 6.78 | 1.0 | 0.5727 |
| -0.3 | 165.0 | 3.55 | 0.528 | 0.2653 |
| -0.3 | 195.0 | 4.33 | 0.643 | 0.2367 |
| -0.3 | 225.0 | 5.18 | 0.778 | 0.2643 |
| -0.3 | 255.0 | 7.77 | 1.06 | 1.2619 |
| -0.3 | 285.0 | 7.8 | 0.994 | 0.3686 |
| -0.3 | 315.0 | 8.25 | 0.996 | 0.8678 |
| -0.3 | 345.0 | 4.24 | 0.585 | 0.5931 |
| -0.1 | 15.0 | 5.53 | 0.727 | 0.1597 |
| -0.1 | 45.0 | 8.24 | 0.974 | 0.5051 |
| -0.1 | 75.0 | 6.47 | 0.854 | 1.2916 |
| -0.1 | 105.0 | 8.38 | 1.14 | 0.7869 |
| -0.1 | 135.0 | 8.02 | 1.06 | 1.0976 |
| -0.1 | 165.0 | 5.71 | 0.77 | 0.3315 |
| -0.1 | 195.0 | 7.97 | 1.08 | 1.2594 |
| -0.1 | 225.0 | 8.71 | 1.16 | 0.6195 |
| -0.1 | 255.0 | 9.84 | 1.3 | 0.6715 |
| -0.1 | 285.0 | 10.7 | 1.25 | 0.9138 |
| -0.1 | 315.0 | 7.35 | 0.845 | 0.1527 |
| -0.1 | 345.0 | 4.12 | 0.527 | 0.7433 |
| 0.1 | 15.0 | 4.25 | 0.53 | 0.273 |
| 0.1 | 45.0 | 6.1 | 0.772 | 0.3008 |
| 0.1 | 75.0 | 13.6 | 1.69 | 1.4142 |
| 0.1 | 105.0 | 10.4 | 1.44 | 0.3265 |
| 0.1 | 135.0 | 8.55 | 1.15 | 1.2828 |
| 0.1 | 165.0 | 6.52 | 0.794 | 0.4675 |
| 0.1 | 195.0 | 6.34 | 0.777 | 0.3811 |
| 0.1 | 225.0 | 7.85 | 1.11 | 0.6594 |
| 0.1 | 255.0 | 8.7 | 1.14 | 0.8929 |
| 0.1 | 285.0 | 9.51 | 1.14 | 1.5064 |
| 0.1 | 315.0 | 6.23 | 0.785 | 0.4548 |
| 0.1 | 345.0 | 5.23 | 0.644 | 0.0552 |
| 0.3 | 15.0 | 4.17 | 0.615 | 0.4386 |
| 0.3 | 45.0 | 5.84 | 0.744 | 0.2723 |
| 0.3 | 75.0 | 7.8 | 0.983 | 1.0886 |
| 0.3 | 105.0 | 12.5 | 1.65 | 1.1214 |
| 0.3 | 135.0 | 7.55 | 1.07 | 0.587 |
| 0.3 | 165.0 | 5.22 | 0.687 | 0.5903 |
| 0.3 | 195.0 | 5.94 | 0.729 | 0.5774 |
| 0.3 | 225.0 | 8.8 | 1.21 | 1.0778 |
| 0.3 | 255.0 | 11.4 | 1.43 | 0.5679 |
| 0.3 | 285.0 | 10.5 | 1.32 | 0.2337 |
| 0.3 | 315.0 | 5.6 | 0.687 | 0.4395 |
| 0.3 | 345.0 | 5.31 | 0.724 | 0.5958 |
| 0.5 | 15.0 | 3.71 | 0.532 | 0.843 |
| 0.5 | 45.0 | 6.59 | 0.812 | 0.3609 |
| 0.5 | 75.0 | 10.3 | 1.31 | 1.2266 |
| 0.5 | 105.0 | 8.22 | 1.12 | 0.6334 |
| 0.5 | 135.0 | 6.9 | 0.982 | 0.4083 |
| 0.5 | 165.0 | 7.88 | 0.973 | 0.8057 |
| 0.5 | 195.0 | 5.93 | 0.793 | 0.5154 |
| 0.5 | 225.0 | 7.17 | 1.1 | 1.341 |
| 0.5 | 255.0 | 11.0 | 1.54 | 0.9683 |
| 0.5 | 285.0 | 9.04 | 1.16 | 0.9305 |
| 0.5 | 315.0 | 5.3 | 0.705 | 0.1429 |
| 0.5 | 345.0 | 4.28 | 0.618 | 0.1946 |
| 0.7 | 15.0 | 2.6 | 0.399 | 0.2666 |
| 0.7 | 45.0 | 4.19 | 0.622 | 0.2142 |
| 0.7 | 75.0 | 6.13 | 0.946 | 0.4722 |
| 0.7 | 105.0 | 6.83 | 0.994 | 0.3424 |
| 0.7 | 135.0 | 4.25 | 0.693 | 0.4202 |
| 0.7 | 165.0 | 5.72 | 0.749 | 0.5536 |
| 0.7 | 195.0 | 8.49 | 1.11 | 1.2941 |
| 0.7 | 225.0 | 8.05 | 1.13 | 0.5502 |
| 0.7 | 255.0 | 8.23 | 1.13 | 0.7297 |
| 0.7 | 285.0 | 8.13 | 1.1 | 0.5182 |
| 0.7 | 315.0 | 5.81 | 0.875 | 0.5015 |
| 0.7 | 345.0 | 4.09 | 0.614 | 0.0834 |
| 0.9 | 15.0 | 3.88 | 0.674 | 0.5422 |
| 0.9 | 45.0 | 5.13 | 0.808 | 0.5146 |
| 0.9 | 75.0 | 6.45 | 1.02 | 0.683 |
| 0.9 | 105.0 | 8.15 | 1.27 | 1.1993 |
| 0.9 | 135.0 | 5.48 | 0.937 | 0.707 |
| 0.9 | 165.0 | 6.52 | 0.953 | 0.688 |
| 0.9 | 195.0 | 7.07 | 1.08 | 0.56 |
| 0.9 | 225.0 | 3.71 | 0.613 | 0.3458 |
| 0.9 | 255.0 | 6.58 | 1.08 | 0.445 |
| 0.9 | 285.0 | 5.19 | 0.805 | 0.2877 |
| 0.9 | 315.0 | 5.49 | 0.898 | 0.6695 |
| 0.9 | 345.0 | 3.33 | 0.62 | 0.4599 |
Experiment comment: