Measurement E9M3
| 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: | 0.35 — 0.45 GeV2 | |
| W: | 1.14 GeV | |
| ε: | 0.865 | |
| 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 | 4.24 | 1.38 | 1.0557 |
| -0.9 | 45.0 | 2.6 | 0.75 | 0.6759 |
| -0.9 | 75.0 | 2.61 | 0.746 | 0.6884 |
| -0.9 | 105.0 | 3.25 | 0.9 | 0.4629 |
| -0.9 | 135.0 | 3.33 | 0.961 | 0.3504 |
| -0.9 | 165.0 | 3.26 | 1.04 | 0.3591 |
| -0.9 | 195.0 | 3.23 | 0.896 | 0.2199 |
| -0.9 | 225.0 | 2.02 | 0.814 | 0.4869 |
| -0.9 | 255.0 | 4.36 | 1.22 | 0.8019 |
| -0.9 | 285.0 | 3.12 | 0.965 | 0.6735 |
| -0.9 | 315.0 | 2.09 | 0.641 | 0.5096 |
| -0.9 | 345.0 | 8.59 | 2.33 | 2.3511 |
| -0.7 | 15.0 | 1.98 | 0.536 | 0.3875 |
| -0.7 | 45.0 | 3.07 | 0.885 | 0.4076 |
| -0.7 | 75.0 | 3.82 | 1.05 | 0.9761 |
| -0.7 | 105.0 | 3.38 | 0.847 | 0.3191 |
| -0.7 | 135.0 | 2.7 | 0.774 | 0.6067 |
| -0.7 | 165.0 | 2.1 | 0.671 | 0.5583 |
| -0.7 | 195.0 | 4.46 | 1.05 | 0.9267 |
| -0.7 | 225.0 | 5.53 | 1.35 | 0.805 |
| -0.7 | 255.0 | 4.96 | 1.11 | 1.1161 |
| -0.7 | 285.0 | 3.08 | 0.736 | 0.2257 |
| -0.7 | 315.0 | 3.23 | 0.906 | 1.2123 |
| -0.7 | 345.0 | 1.19 | 0.397 | 0.3816 |
| -0.5 | 15.0 | 2.08 | 0.648 | 0.7563 |
| -0.5 | 45.0 | 7.2 | 1.46 | 0.7527 |
| -0.5 | 75.0 | 5.62 | 1.18 | 0.1454 |
| -0.5 | 105.0 | 6.28 | 1.39 | 0.645 |
| -0.5 | 135.0 | 6.87 | 1.5 | 0.619 |
| -0.5 | 165.0 | 7.2 | 1.6 | 0.6338 |
| -0.5 | 195.0 | 4.8 | 1.0 | 0.7903 |
| -0.5 | 225.0 | 5.56 | 1.16 | 0.875 |
| -0.5 | 255.0 | 4.68 | 1.01 | 0.7908 |
| -0.5 | 285.0 | 5.89 | 1.23 | 0.3857 |
| -0.5 | 315.0 | 3.9 | 1.03 | 0.2273 |
| -0.5 | 345.0 | 4.7 | 1.16 | 0.2906 |
| -0.3 | 15.0 | 2.93 | 0.723 | 0.2767 |
| -0.3 | 45.0 | 2.89 | 0.764 | 0.4023 |
| -0.3 | 75.0 | 4.89 | 0.96 | 0.3791 |
| -0.3 | 105.0 | 11.7 | 2.26 | 1.8969 |
| -0.3 | 135.0 | 5.49 | 1.12 | 1.4645 |
| -0.3 | 165.0 | 5.07 | 1.08 | 0.4849 |
| -0.3 | 195.0 | 5.26 | 1.07 | 0.3623 |
| -0.3 | 225.0 | 6.65 | 1.35 | 0.3379 |
| -0.3 | 255.0 | 6.14 | 1.35 | 0.7522 |
| -0.3 | 285.0 | 5.55 | 1.09 | 0.1587 |
| -0.3 | 315.0 | 4.02 | 0.898 | 0.6649 |
| -0.3 | 345.0 | 1.78 | 0.533 | 0.2363 |
| -0.1 | 15.0 | 3.2 | 0.819 | 0.381 |
| -0.1 | 45.0 | 5.23 | 1.18 | 0.635 |
| -0.1 | 75.0 | 7.91 | 1.43 | 0.5138 |
| -0.1 | 105.0 | 5.47 | 1.29 | 0.7917 |
| -0.1 | 135.0 | 6.66 | 1.28 | 0.4177 |
| -0.1 | 165.0 | 9.31 | 1.51 | 1.9767 |
| -0.1 | 195.0 | 9.49 | 1.8 | 1.3715 |
| -0.1 | 225.0 | 9.13 | 1.82 | 0.851 |
| -0.1 | 255.0 | 6.53 | 1.35 | 1.1538 |
| -0.1 | 285.0 | 3.32 | 0.84 | 0.1496 |
| -0.1 | 315.0 | 4.82 | 1.03 | 0.3823 |
| -0.1 | 345.0 | 1.49 | 0.457 | 0.3016 |
| 0.1 | 15.0 | 2.98 | 0.743 | 0.0555 |
| 0.1 | 45.0 | 4.06 | 0.943 | 0.1711 |
| 0.1 | 75.0 | 6.27 | 1.19 | 1.0139 |
| 0.1 | 105.0 | 7.71 | 1.62 | 0.982 |
| 0.1 | 135.0 | 7.52 | 1.4 | 0.4202 |
| 0.1 | 165.0 | 4.6 | 0.989 | 0.8166 |
| 0.1 | 195.0 | 6.24 | 1.32 | 0.4471 |
| 0.1 | 225.0 | 4.46 | 0.957 | 0.3543 |
| 0.1 | 255.0 | 6.75 | 1.58 | 0.7466 |
| 0.1 | 285.0 | 4.61 | 1.07 | 0.6392 |
| 0.1 | 315.0 | 3.53 | 0.822 | 0.2668 |
| 0.1 | 345.0 | 3.45 | 0.785 | 0.6474 |
| 0.3 | 15.0 | 1.8 | 0.534 | 0.2026 |
| 0.3 | 45.0 | 3.21 | 0.827 | 0.488 |
| 0.3 | 75.0 | 5.19 | 1.1 | 0.143 |
| 0.3 | 105.0 | 6.61 | 1.34 | 0.6891 |
| 0.3 | 135.0 | 8.31 | 1.77 | 1.6141 |
| 0.3 | 165.0 | 8.19 | 1.38 | 2.6253 |
| 0.3 | 195.0 | 7.79 | 1.35 | 0.5429 |
| 0.3 | 225.0 | 5.83 | 1.11 | 1.3232 |
| 0.3 | 255.0 | 6.84 | 1.36 | 0.3263 |
| 0.3 | 285.0 | 6.37 | 1.26 | 0.28 |
| 0.3 | 315.0 | 4.51 | 1.01 | 0.2684 |
| 0.3 | 345.0 | 3.7 | 0.903 | 0.5433 |
| 0.5 | 15.0 | 4.33 | 1.07 | 0.3582 |
| 0.5 | 45.0 | 5.45 | 1.13 | 0.1947 |
| 0.5 | 75.0 | 4.74 | 1.03 | 0.6741 |
| 0.5 | 105.0 | 4.53 | 1.02 | 0.4118 |
| 0.5 | 135.0 | 5.72 | 1.24 | 0.6362 |
| 0.5 | 165.0 | 5.99 | 1.12 | 1.1527 |
| 0.5 | 195.0 | 7.8 | 1.45 | 0.8291 |
| 0.5 | 225.0 | 10.4 | 1.87 | 1.0298 |
| 0.5 | 255.0 | 6.73 | 1.4 | 0.3376 |
| 0.5 | 285.0 | 5.74 | 1.21 | 0.65 |
| 0.5 | 315.0 | 5.0 | 1.14 | 0.8224 |
| 0.5 | 345.0 | 3.36 | 0.736 | 1.1069 |
| 0.7 | 15.0 | 3.56 | 0.814 | 0.5277 |
| 0.7 | 45.0 | 6.39 | 1.31 | 0.6875 |
| 0.7 | 75.0 | 5.2 | 1.02 | 0.2061 |
| 0.7 | 105.0 | 8.83 | 1.7 | 1.1994 |
| 0.7 | 135.0 | 7.84 | 1.49 | 0.305 |
| 0.7 | 165.0 | 6.08 | 1.17 | 0.3864 |
| 0.7 | 195.0 | 6.87 | 1.25 | 0.7334 |
| 0.7 | 225.0 | 9.02 | 1.63 | 0.7855 |
| 0.7 | 255.0 | 11.3 | 2.11 | 1.6834 |
| 0.7 | 285.0 | 5.56 | 1.18 | 0.6403 |
| 0.7 | 315.0 | 4.46 | 1.04 | 0.9827 |
| 0.7 | 345.0 | 4.53 | 1.13 | 0.6372 |
| 0.9 | 15.0 | 4.56 | 1.24 | 1.0052 |
| 0.9 | 45.0 | 4.77 | 1.16 | 1.2782 |
| 0.9 | 75.0 | 6.5 | 1.46 | 0.3719 |
| 0.9 | 105.0 | 7.66 | 1.59 | 0.4587 |
| 0.9 | 135.0 | 9.56 | 1.92 | 0.4657 |
| 0.9 | 165.0 | 5.54 | 1.21 | 0.3316 |
| 0.9 | 195.0 | 5.2 | 1.13 | 0.6628 |
| 0.9 | 225.0 | 8.03 | 1.62 | 1.1331 |
| 0.9 | 255.0 | 7.1 | 1.6 | 1.5201 |
| 0.9 | 285.0 | 7.19 | 1.69 | 1.4976 |
| 0.9 | 315.0 | 4.02 | 1.08 | 0.6507 |
| 0.9 | 345.0 | 5.46 | 1.34 | 0.4068 |
Experiment comment: