Measurement E9M112
| 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: | 0.6 — 0.7 GeV2 | |
| W: | 1.18 GeV | |
| ε: | 0.747 | |
| 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 | 3.88 | 1.13 | 0.9657 |
| -0.9 | 45.0 | 6.29 | 1.4 | 0.3585 |
| -0.9 | 75.0 | 7.13 | 1.82 | 0.481 |
| -0.9 | 105.0 | 8.8 | 2.09 | 0.4082 |
| -0.9 | 135.0 | 5.12 | 1.42 | 0.6529 |
| -0.9 | 165.0 | 10.0 | 2.48 | 1.7601 |
| -0.9 | 195.0 | 2.85 | 0.975 | 0.1604 |
| -0.9 | 225.0 | 1.83 | 0.615 | 1.0427 |
| -0.9 | 255.0 | 1.75 | 0.691 | 0.5847 |
| -0.9 | 285.0 | 8.52 | 2.13 | 0.5495 |
| -0.9 | 315.0 | 6.87 | 1.63 | 0.3604 |
| -0.9 | 345.0 | 4.53 | 1.27 | 0.3947 |
| -0.7 | 15.0 | 6.31 | 1.39 | 0.6053 |
| -0.7 | 45.0 | 5.98 | 1.4 | 2.4646 |
| -0.7 | 75.0 | 7.33 | 1.69 | 1.4658 |
| -0.7 | 105.0 | 9.38 | 2.22 | 0.9733 |
| -0.7 | 135.0 | 7.33 | 1.71 | 1.2447 |
| -0.7 | 165.0 | 7.4 | 1.72 | 1.2079 |
| -0.7 | 195.0 | 4.01 | 1.01 | 0.5353 |
| -0.7 | 225.0 | 6.56 | 1.74 | 1.4025 |
| -0.7 | 255.0 | 9.47 | 1.89 | 0.7949 |
| -0.7 | 285.0 | 6.02 | 1.27 | 0.3832 |
| -0.7 | 315.0 | 8.23 | 1.64 | 0.7838 |
| -0.7 | 345.0 | 3.49 | 0.874 | 0.7511 |
| -0.5 | 15.0 | 8.76 | 1.7 | 0.9527 |
| -0.5 | 45.0 | 13.5 | 2.28 | 1.201 |
| -0.5 | 75.0 | 9.54 | 2.21 | 0.8459 |
| -0.5 | 105.0 | 7.89 | 1.9 | 0.4655 |
| -0.5 | 135.0 | 9.0 | 2.18 | 1.4281 |
| -0.5 | 165.0 | 3.87 | 0.983 | 1.1212 |
| -0.5 | 195.0 | 4.92 | 1.2 | 0.3171 |
| -0.5 | 225.0 | 5.0 | 1.31 | 1.0587 |
| -0.5 | 255.0 | 7.94 | 1.71 | 0.9161 |
| -0.5 | 285.0 | 7.34 | 1.44 | 1.2896 |
| -0.5 | 315.0 | 7.45 | 1.51 | 0.6087 |
| -0.5 | 345.0 | 6.23 | 1.52 | 0.3465 |
| -0.3 | 15.0 | 6.27 | 1.31 | 1.2681 |
| -0.3 | 45.0 | 8.9 | 1.81 | 0.8256 |
| -0.3 | 75.0 | 10.8 | 2.23 | 0.902 |
| -0.3 | 105.0 | 10.2 | 2.1 | 1.4722 |
| -0.3 | 135.0 | 7.9 | 1.93 | 0.915 |
| -0.3 | 165.0 | 7.34 | 1.57 | 1.472 |
| -0.3 | 195.0 | 10.6 | 2.18 | 1.2553 |
| -0.3 | 225.0 | 6.3 | 1.4 | 0.3033 |
| -0.3 | 255.0 | 9.7 | 2.05 | 0.9899 |
| -0.3 | 285.0 | 11.1 | 2.21 | 1.0226 |
| -0.3 | 315.0 | 12.5 | 2.27 | 1.8063 |
| -0.3 | 345.0 | 9.91 | 1.88 | 1.4469 |
| -0.1 | 15.0 | 8.43 | 1.66 | 0.5687 |
| -0.1 | 45.0 | 6.95 | 1.42 | 0.6762 |
| -0.1 | 75.0 | 11.3 | 2.16 | 1.2876 |
| -0.1 | 105.0 | 15.8 | 3.29 | 2.3527 |
| -0.1 | 135.0 | 8.33 | 1.98 | 0.3933 |
| -0.1 | 165.0 | 11.0 | 2.03 | 0.4555 |
| -0.1 | 195.0 | 6.35 | 1.37 | 1.0922 |
| -0.1 | 225.0 | 8.4 | 1.96 | 1.172 |
| -0.1 | 255.0 | 9.69 | 2.25 | 2.0539 |
| -0.1 | 285.0 | 15.3 | 2.72 | 0.2345 |
| -0.1 | 315.0 | 8.71 | 1.75 | 0.767 |
| -0.1 | 345.0 | 4.42 | 0.974 | 1.2956 |
| 0.1 | 15.0 | 10.9 | 1.95 | 0.8028 |
| 0.1 | 45.0 | 12.7 | 2.25 | 1.254 |
| 0.1 | 75.0 | 12.0 | 2.51 | 1.966 |
| 0.1 | 105.0 | 16.1 | 3.41 | 1.3937 |
| 0.1 | 135.0 | 16.1 | 3.15 | 2.0791 |
| 0.1 | 165.0 | 7.16 | 1.6 | 0.2789 |
| 0.1 | 195.0 | 9.36 | 1.95 | 0.2223 |
| 0.1 | 225.0 | 11.7 | 2.46 | 1.7021 |
| 0.1 | 255.0 | 21.0 | 4.55 | 3.0635 |
| 0.1 | 285.0 | 10.8 | 2.19 | 0.3 |
| 0.1 | 315.0 | 7.68 | 1.44 | 0.897 |
| 0.1 | 345.0 | 8.96 | 1.74 | 0.5115 |
| 0.3 | 15.0 | 9.36 | 1.92 | 1.2697 |
| 0.3 | 45.0 | 11.2 | 2.07 | 1.1824 |
| 0.3 | 75.0 | 14.2 | 2.74 | 1.5882 |
| 0.3 | 105.0 | 7.03 | 1.98 | 0.6357 |
| 0.3 | 135.0 | 17.6 | 3.57 | 1.6591 |
| 0.3 | 165.0 | 13.1 | 2.32 | 0.5979 |
| 0.3 | 195.0 | 13.0 | 2.36 | 1.7847 |
| 0.3 | 225.0 | 12.9 | 2.63 | 1.0087 |
| 0.3 | 255.0 | 11.1 | 2.32 | 1.4849 |
| 0.3 | 285.0 | 15.3 | 2.95 | 2.2377 |
| 0.3 | 315.0 | 8.65 | 1.68 | 0.6056 |
| 0.3 | 345.0 | 5.31 | 1.17 | 0.3971 |
| 0.5 | 15.0 | 6.18 | 1.27 | 1.1802 |
| 0.5 | 45.0 | 8.04 | 1.62 | 0.3156 |
| 0.5 | 75.0 | 9.98 | 2.14 | 1.5676 |
| 0.5 | 105.0 | 12.5 | 2.58 | 1.6163 |
| 0.5 | 135.0 | 13.0 | 2.79 | 1.9229 |
| 0.5 | 165.0 | 8.77 | 1.75 | 1.756 |
| 0.5 | 195.0 | 11.3 | 1.94 | 2.1389 |
| 0.5 | 225.0 | 10.5 | 2.22 | 1.9258 |
| 0.5 | 255.0 | 8.31 | 1.89 | 0.9654 |
| 0.5 | 285.0 | 11.2 | 2.29 | 0.4583 |
| 0.5 | 315.0 | 12.8 | 2.28 | 0.728 |
| 0.5 | 345.0 | 5.03 | 1.09 | 0.4635 |
| 0.7 | 15.0 | 2.39 | 0.585 | 1.5085 |
| 0.7 | 45.0 | 4.05 | 0.969 | 0.8726 |
| 0.7 | 75.0 | 12.3 | 2.31 | 0.9526 |
| 0.7 | 105.0 | 8.72 | 2.16 | 1.4027 |
| 0.7 | 135.0 | 9.62 | 2.18 | 0.8793 |
| 0.7 | 165.0 | 16.1 | 2.71 | 0.7746 |
| 0.7 | 195.0 | 15.0 | 2.55 | 1.32 |
| 0.7 | 225.0 | 13.3 | 2.64 | 2.3807 |
| 0.7 | 255.0 | 9.06 | 2.34 | 1.5847 |
| 0.7 | 285.0 | 8.26 | 1.71 | 0.7592 |
| 0.7 | 315.0 | 10.4 | 1.96 | 1.7197 |
| 0.7 | 345.0 | 5.2 | 1.16 | 0.3508 |
| 0.9 | 15.0 | 7.21 | 1.71 | 0.4271 |
| 0.9 | 45.0 | 10.6 | 2.36 | 1.2681 |
| 0.9 | 75.0 | 8.66 | 1.97 | 1.3227 |
| 0.9 | 105.0 | 7.25 | 1.96 | 0.4574 |
| 0.9 | 135.0 | 11.4 | 2.8 | 2.3896 |
| 0.9 | 165.0 | 12.0 | 2.45 | 1.7802 |
| 0.9 | 195.0 | 11.3 | 2.32 | 1.5711 |
| 0.9 | 225.0 | 11.4 | 2.35 | 1.6155 |
| 0.9 | 255.0 | 9.56 | 2.16 | 0.4001 |
| 0.9 | 285.0 | 12.9 | 2.93 | 3.0575 |
| 0.9 | 315.0 | 5.4 | 1.41 | 0.3415 |
| 0.9 | 345.0 | 7.01 | 1.73 | 1.2419 |
Experiment comment: