Measurement E9M11
| 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: | 1.3 GeV | |
| ε: | 0.791 | |
| 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 | 2.55 | 0.593 | 0.3103 |
| -0.9 | 45.0 | 2.36 | 0.547 | 0.263 |
| -0.9 | 75.0 | 2.57 | 0.572 | 0.2574 |
| -0.9 | 105.0 | 3.94 | 0.878 | 0.556 |
| -0.9 | 135.0 | 5.09 | 1.25 | 0.6879 |
| -0.9 | 165.0 | 1.89 | 0.506 | 0.2663 |
| -0.9 | 195.0 | 3.35 | 0.836 | 0.4821 |
| -0.9 | 225.0 | 1.8 | 0.511 | 0.1085 |
| -0.9 | 255.0 | 2.62 | 0.66 | 0.3701 |
| -0.9 | 285.0 | 3.65 | 0.741 | 0.2107 |
| -0.9 | 315.0 | 3.65 | 0.759 | 0.4926 |
| -0.9 | 345.0 | 3.01 | 0.72 | 0.4713 |
| -0.7 | 15.0 | 2.62 | 0.457 | 0.4357 |
| -0.7 | 45.0 | 4.45 | 0.715 | 0.6445 |
| -0.7 | 75.0 | 8.85 | 1.54 | 0.834 |
| -0.7 | 105.0 | 9.58 | 1.95 | 1.9937 |
| -0.7 | 135.0 | 4.49 | 1.07 | 0.5 |
| -0.7 | 165.0 | 4.17 | 0.856 | 0.5715 |
| -0.7 | 195.0 | 2.4 | 0.568 | 0.6403 |
| -0.7 | 225.0 | 4.18 | 1.12 | 0.6338 |
| -0.7 | 255.0 | 6.01 | 1.25 | 0.5994 |
| -0.7 | 285.0 | 7.63 | 1.15 | 0.5002 |
| -0.7 | 315.0 | 7.43 | 1.02 | 0.4233 |
| -0.7 | 345.0 | 3.45 | 0.549 | 0.7989 |
| -0.5 | 15.0 | 6.0 | 0.8 | 0.9216 |
| -0.5 | 45.0 | 7.48 | 1.01 | 0.4325 |
| -0.5 | 75.0 | 8.57 | 1.52 | 0.8256 |
| -0.5 | 105.0 | 7.78 | 1.95 | 0.4805 |
| -0.5 | 135.0 | 12.0 | 3.15 | 2.2528 |
| -0.5 | 165.0 | 4.11 | 1.06 | 0.3898 |
| -0.5 | 195.0 | 2.41 | 0.71 | 1.0615 |
| -0.5 | 225.0 | 5.07 | 1.62 | 2.3824 |
| -0.5 | 255.0 | 8.61 | 1.98 | 1.5328 |
| -0.5 | 285.0 | 9.4 | 1.64 | 0.6679 |
| -0.5 | 315.0 | 6.54 | 0.852 | 0.5335 |
| -0.5 | 345.0 | 5.67 | 0.717 | 0.447 |
| -0.3 | 15.0 | 6.14 | 0.679 | 0.4332 |
| -0.3 | 45.0 | 9.67 | 1.19 | 0.7584 |
| -0.3 | 75.0 | 10.3 | 1.66 | 1.4142 |
| -0.3 | 105.0 | 13.6 | 2.26 | 1.0137 |
| -0.3 | 135.0 | 6.61 | 1.63 | 0.8012 |
| -0.3 | 165.0 | 7.33 | 2.3 | 1.3556 |
| -0.3 | 195.0 | 8.75 | 2.16 | 1.6055 |
| -0.3 | 225.0 | 9.65 | 2.37 | 1.5071 |
| -0.3 | 255.0 | 12.5 | 2.22 | 1.201 |
| -0.3 | 285.0 | 10.7 | 1.73 | 0.505 |
| -0.3 | 315.0 | 8.46 | 0.982 | 0.8 |
| -0.3 | 345.0 | 6.02 | 0.715 | 0.1022 |
| -0.1 | 15.0 | 5.55 | 0.67 | 0.1351 |
| -0.1 | 45.0 | 10.6 | 1.28 | 0.255 |
| -0.1 | 75.0 | 14.8 | 2.16 | 1.0618 |
| -0.1 | 105.0 | 10.4 | 1.5 | 0.2795 |
| -0.1 | 135.0 | 8.08 | 1.35 | 0.9649 |
| -0.1 | 165.0 | 2.32 | 1.42 | 1.0145 |
| -0.1 | 195.0 | 4.63 | 2.12 | 1.0934 |
| -0.1 | 225.0 | 9.82 | 1.69 | 1.218 |
| -0.1 | 255.0 | 14.4 | 1.87 | 0.7953 |
| -0.1 | 285.0 | 11.0 | 1.7 | 1.3276 |
| -0.1 | 315.0 | 8.77 | 1.07 | 0.3653 |
| -0.1 | 345.0 | 5.65 | 0.766 | 0.0731 |
| 0.1 | 15.0 | 5.65 | 0.688 | 0.1362 |
| 0.1 | 45.0 | 9.3 | 1.17 | 0.4487 |
| 0.1 | 75.0 | 13.7 | 1.77 | 0.5937 |
| 0.1 | 105.0 | 14.0 | 1.63 | 1.0618 |
| 0.1 | 135.0 | 8.36 | 1.16 | 0.7188 |
| 0.1 | 165.0 | 9.37 | 3.22 | 7.5485 |
| 0.1 | 195.0 | 7.32 | 2.86 | 4.6071 |
| 0.1 | 225.0 | 9.2 | 1.41 | 1.0653 |
| 0.1 | 255.0 | 10.2 | 1.23 | 1.2663 |
| 0.1 | 285.0 | 11.4 | 1.64 | 0.6837 |
| 0.1 | 315.0 | 10.0 | 1.25 | 0.2624 |
| 0.1 | 345.0 | 5.06 | 0.664 | 0.4959 |
| 0.3 | 15.0 | 6.28 | 0.752 | 0.5504 |
| 0.3 | 45.0 | 8.3 | 1.05 | 1.0986 |
| 0.3 | 75.0 | 11.8 | 1.61 | 0.559 |
| 0.3 | 105.0 | 9.62 | 1.19 | 0.9561 |
| 0.3 | 135.0 | 7.63 | 1.02 | 0.8242 |
| 0.3 | 165.0 | 7.07 | 2.21 | 3.8675 |
| 0.3 | 195.0 | 7.23 | 2.58 | 1.8371 |
| 0.3 | 225.0 | 9.24 | 1.29 | 0.7849 |
| 0.3 | 255.0 | 9.52 | 1.14 | 0.7248 |
| 0.3 | 285.0 | 11.5 | 1.48 | 0.2693 |
| 0.3 | 315.0 | 7.76 | 1.05 | 0.5123 |
| 0.3 | 345.0 | 6.91 | 0.875 | 0.6115 |
| 0.5 | 15.0 | 6.89 | 0.872 | 0.4629 |
| 0.5 | 45.0 | 4.73 | 0.773 | 0.1883 |
| 0.5 | 75.0 | 11.1 | 1.58 | 1.2051 |
| 0.5 | 105.0 | 10.2 | 1.16 | 1.2965 |
| 0.5 | 135.0 | 6.88 | 0.986 | 0.6907 |
| 0.5 | 165.0 | 2.51 | 1.2 | 0.8081 |
| 0.5 | 195.0 | 5.85 | 2.02 | 2.01 |
| 0.5 | 225.0 | 9.24 | 1.36 | 1.4253 |
| 0.5 | 255.0 | 10.8 | 1.29 | 0.4245 |
| 0.5 | 285.0 | 7.17 | 1.07 | 1.3683 |
| 0.5 | 315.0 | 6.71 | 0.974 | 0.5278 |
| 0.5 | 345.0 | 5.49 | 0.778 | 0.6065 |
| 0.7 | 15.0 | 4.16 | 0.639 | 0.3241 |
| 0.7 | 45.0 | 4.62 | 0.774 | 0.4084 |
| 0.7 | 75.0 | 7.19 | 1.15 | 0.8782 |
| 0.7 | 105.0 | 7.98 | 1.07 | 0.4757 |
| 0.7 | 135.0 | 7.84 | 1.37 | 1.1553 |
| 0.7 | 165.0 | 2.78 | 1.36 | 1.7013 |
| 0.7 | 195.0 | 8.08 | 2.76 | 2.9326 |
| 0.7 | 225.0 | 5.26 | 1.06 | 0.9671 |
| 0.7 | 255.0 | 6.53 | 0.915 | 0.3392 |
| 0.7 | 285.0 | 8.32 | 1.4 | 0.5947 |
| 0.7 | 315.0 | 5.2 | 0.857 | 0.1847 |
| 0.7 | 345.0 | 4.34 | 0.678 | 0.5809 |
| 0.9 | 15.0 | 3.21 | 0.693 | 0.4973 |
| 0.9 | 45.0 | 3.22 | 0.665 | 0.4162 |
| 0.9 | 75.0 | 3.35 | 0.911 | 0.5563 |
| 0.9 | 105.0 | 7.04 | 1.63 | 1.258 |
| 0.9 | 135.0 | 2.72 | 0.879 | 0.8562 |
| 0.9 | 165.0 | 1.91 | 0.913 | 0.9082 |
| 0.9 | 195.0 | 3.87 | 1.55 | 1.5879 |
| 0.9 | 225.0 | 5.97 | 1.71 | 1.679 |
| 0.9 | 255.0 | 3.62 | 0.922 | 0.4922 |
| 0.9 | 285.0 | 6.05 | 1.55 | 1.7601 |
| 0.9 | 315.0 | 3.68 | 0.772 | 0.7191 |
| 0.9 | 345.0 | 3.77 | 0.739 | 0.5185 |
Experiment comment: