Measurement E9M87
| 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: | 1.26 GeV | |
| ε: | 0.758 | |
| 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 | 4.65 | 0.73 | 0.6045 |
| -0.9 | 45.0 | 5.54 | 0.848 | 0.7962 |
| -0.9 | 75.0 | 6.68 | 1.05 | 0.6768 |
| -0.9 | 105.0 | 6.63 | 1.08 | 0.941 |
| -0.9 | 135.0 | 5.26 | 0.985 | 0.4047 |
| -0.9 | 165.0 | 4.63 | 0.921 | 0.6312 |
| -0.9 | 195.0 | 3.1 | 0.631 | 0.3332 |
| -0.9 | 225.0 | 4.82 | 0.902 | 0.2033 |
| -0.9 | 255.0 | 6.01 | 1.01 | 0.6146 |
| -0.9 | 285.0 | 6.06 | 0.961 | 0.6546 |
| -0.9 | 315.0 | 5.86 | 0.842 | 0.4671 |
| -0.9 | 345.0 | 5.56 | 0.842 | 0.3122 |
| -0.7 | 15.0 | 5.96 | 0.741 | 0.275 |
| -0.7 | 45.0 | 8.3 | 0.949 | 1.0578 |
| -0.7 | 75.0 | 11.4 | 1.42 | 1.4313 |
| -0.7 | 105.0 | 10.7 | 1.49 | 1.0441 |
| -0.7 | 135.0 | 6.91 | 1.09 | 0.6129 |
| -0.7 | 165.0 | 4.48 | 0.77 | 0.4859 |
| -0.7 | 195.0 | 4.08 | 0.699 | 0.2056 |
| -0.7 | 225.0 | 5.91 | 0.981 | 0.4541 |
| -0.7 | 255.0 | 11.6 | 1.54 | 0.9668 |
| -0.7 | 285.0 | 8.61 | 1.05 | 1.6699 |
| -0.7 | 315.0 | 8.91 | 1.05 | 0.3109 |
| -0.7 | 345.0 | 5.31 | 0.708 | 0.4915 |
| -0.5 | 15.0 | 8.99 | 0.935 | 0.2472 |
| -0.5 | 45.0 | 9.36 | 1.04 | 0.2981 |
| -0.5 | 75.0 | 15.7 | 1.72 | 2.5278 |
| -0.5 | 105.0 | 16.7 | 2.01 | 0.8573 |
| -0.5 | 135.0 | 9.43 | 1.67 | 1.034 |
| -0.5 | 165.0 | 6.82 | 0.998 | 0.8624 |
| -0.5 | 195.0 | 4.29 | 0.717 | 0.4883 |
| -0.5 | 225.0 | 12.2 | 1.87 | 1.0618 |
| -0.5 | 255.0 | 8.68 | 1.26 | 0.6137 |
| -0.5 | 285.0 | 11.5 | 1.37 | 0.7583 |
| -0.5 | 315.0 | 11.8 | 1.12 | 1.6628 |
| -0.5 | 345.0 | 8.57 | 0.898 | 0.761 |
| -0.3 | 15.0 | 7.88 | 0.809 | 0.4588 |
| -0.3 | 45.0 | 11.1 | 1.12 | 0.9327 |
| -0.3 | 75.0 | 16.1 | 1.87 | 0.4555 |
| -0.3 | 105.0 | 21.2 | 2.44 | 2.2467 |
| -0.3 | 135.0 | 8.67 | 1.81 | 0.5977 |
| -0.3 | 165.0 | 9.07 | 1.39 | 0.6881 |
| -0.3 | 195.0 | 8.55 | 1.33 | 1.0564 |
| -0.3 | 225.0 | 8.41 | 1.61 | 2.2109 |
| -0.3 | 255.0 | 16.7 | 2.09 | 0.8703 |
| -0.3 | 285.0 | 12.7 | 1.57 | 0.1732 |
| -0.3 | 315.0 | 15.5 | 1.43 | 0.9474 |
| -0.3 | 345.0 | 9.52 | 0.967 | 0.8688 |
| -0.1 | 15.0 | 8.25 | 0.817 | 0.5455 |
| -0.1 | 45.0 | 14.7 | 1.36 | 0.1871 |
| -0.1 | 75.0 | 19.4 | 2.05 | 0.2449 |
| -0.1 | 105.0 | 15.9 | 2.01 | 1.3444 |
| -0.1 | 135.0 | 14.7 | 2.44 | 2.4341 |
| -0.1 | 165.0 | 7.4 | 1.2 | 0.6128 |
| -0.1 | 195.0 | 7.46 | 1.2 | 1.128 |
| -0.1 | 225.0 | 12.2 | 2.07 | 0.817 |
| -0.1 | 255.0 | 22.6 | 2.68 | 1.164 |
| -0.1 | 285.0 | 16.7 | 1.78 | 1.1303 |
| -0.1 | 315.0 | 14.6 | 1.45 | 1.2114 |
| -0.1 | 345.0 | 9.37 | 0.915 | 0.6825 |
| 0.1 | 15.0 | 9.26 | 0.931 | 0.0665 |
| 0.1 | 45.0 | 12.8 | 1.27 | 0.2598 |
| 0.1 | 75.0 | 17.0 | 1.86 | 0.2179 |
| 0.1 | 105.0 | 18.9 | 2.25 | 0.6364 |
| 0.1 | 135.0 | 14.1 | 2.29 | 0.495 |
| 0.1 | 165.0 | 8.7 | 1.62 | 0.5184 |
| 0.1 | 195.0 | 8.46 | 1.52 | 0.8881 |
| 0.1 | 225.0 | 15.1 | 2.4 | 1.8894 |
| 0.1 | 255.0 | 13.9 | 1.71 | 0.6481 |
| 0.1 | 285.0 | 17.8 | 1.88 | 1.0198 |
| 0.1 | 315.0 | 12.1 | 1.26 | 0.469 |
| 0.1 | 345.0 | 8.24 | 0.891 | 0.2215 |
| 0.3 | 15.0 | 8.11 | 0.884 | 0.3782 |
| 0.3 | 45.0 | 10.7 | 1.16 | 0.3041 |
| 0.3 | 75.0 | 17.8 | 1.9 | 0.9734 |
| 0.3 | 105.0 | 15.9 | 1.93 | 1.3991 |
| 0.3 | 135.0 | 14.3 | 2.14 | 1.6785 |
| 0.3 | 165.0 | 7.61 | 1.55 | 0.7729 |
| 0.3 | 195.0 | 9.08 | 1.66 | 0.6691 |
| 0.3 | 225.0 | 14.4 | 2.19 | 1.0989 |
| 0.3 | 255.0 | 20.7 | 2.5 | 2.9745 |
| 0.3 | 285.0 | 13.1 | 1.53 | 0.6384 |
| 0.3 | 315.0 | 10.6 | 1.19 | 0.0707 |
| 0.3 | 345.0 | 9.04 | 0.895 | 0.1997 |
| 0.5 | 15.0 | 6.89 | 0.81 | 0.4289 |
| 0.5 | 45.0 | 9.48 | 1.09 | 0.4485 |
| 0.5 | 75.0 | 14.7 | 1.64 | 1.0677 |
| 0.5 | 105.0 | 13.4 | 1.69 | 0.8746 |
| 0.5 | 135.0 | 9.64 | 1.6 | 0.8114 |
| 0.5 | 165.0 | 7.0 | 1.52 | 0.7319 |
| 0.5 | 195.0 | 8.12 | 1.58 | 1.3503 |
| 0.5 | 225.0 | 15.4 | 2.42 | 2.2265 |
| 0.5 | 255.0 | 16.6 | 1.99 | 0.6964 |
| 0.5 | 285.0 | 15.8 | 1.76 | 0.3391 |
| 0.5 | 315.0 | 10.6 | 1.17 | 0.3606 |
| 0.5 | 345.0 | 6.15 | 0.753 | 0.3886 |
| 0.7 | 15.0 | 5.25 | 0.655 | 0.2322 |
| 0.7 | 45.0 | 6.32 | 0.834 | 0.9326 |
| 0.7 | 75.0 | 8.4 | 1.23 | 0.6411 |
| 0.7 | 105.0 | 11.3 | 1.62 | 0.6124 |
| 0.7 | 135.0 | 13.6 | 2.29 | 1.092 |
| 0.7 | 165.0 | 9.03 | 1.67 | 1.3365 |
| 0.7 | 195.0 | 6.92 | 1.3 | 0.8753 |
| 0.7 | 225.0 | 8.95 | 1.65 | 1.3622 |
| 0.7 | 255.0 | 13.7 | 1.83 | 1.3472 |
| 0.7 | 285.0 | 9.57 | 1.31 | 0.3895 |
| 0.7 | 315.0 | 10.6 | 1.23 | 0.5616 |
| 0.7 | 345.0 | 5.26 | 0.698 | 0.3311 |
| 0.9 | 15.0 | 4.51 | 0.69 | 0.4521 |
| 0.9 | 45.0 | 4.87 | 0.758 | 0.601 |
| 0.9 | 75.0 | 6.31 | 1.02 | 0.5057 |
| 0.9 | 105.0 | 6.68 | 1.37 | 1.2324 |
| 0.9 | 135.0 | 5.51 | 1.21 | 0.6855 |
| 0.9 | 165.0 | 5.54 | 1.05 | 1.094 |
| 0.9 | 195.0 | 5.64 | 1.0 | 0.9432 |
| 0.9 | 225.0 | 5.78 | 1.09 | 1.0059 |
| 0.9 | 255.0 | 6.71 | 1.24 | 0.5337 |
| 0.9 | 285.0 | 6.85 | 1.04 | 0.8324 |
| 0.9 | 315.0 | 6.07 | 0.902 | 0.2625 |
| 0.9 | 345.0 | 4.95 | 0.772 | 0.4059 |
Experiment comment: