Measurement E9M198
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.18 GeV | |
| ε: | 0.873 | |
| 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 | 3.89 | 0.891 | 1.1685 |
| -0.9 | 45.0 | 6.86 | 1.62 | 0.6574 |
| -0.9 | 75.0 | 5.25 | 1.45 | 0.9794 |
| -0.9 | 105.0 | 3.11 | 0.826 | 0.2896 |
| -0.9 | 135.0 | 3.67 | 0.983 | 0.3407 |
| -0.9 | 165.0 | 2.46 | 0.811 | 0.6593 |
| -0.9 | 195.0 | 4.99 | 1.21 | 0.9811 |
| -0.9 | 225.0 | 3.21 | 0.892 | 0.1546 |
| -0.9 | 255.0 | 2.89 | 0.883 | 0.5619 |
| -0.9 | 285.0 | 5.94 | 1.35 | 0.501 |
| -0.9 | 315.0 | 3.95 | 1.04 | 0.8182 |
| -0.9 | 345.0 | 5.41 | 1.22 | 0.4929 |
| -0.7 | 15.0 | 5.53 | 0.994 | 0.6573 |
| -0.7 | 45.0 | 6.3 | 1.18 | 1.1799 |
| -0.7 | 75.0 | 9.73 | 1.55 | 0.5449 |
| -0.7 | 105.0 | 4.83 | 0.943 | 0.6794 |
| -0.7 | 135.0 | 6.62 | 1.28 | 1.0871 |
| -0.7 | 165.0 | 5.66 | 1.35 | 1.0717 |
| -0.7 | 195.0 | 4.9 | 1.16 | 1.003 |
| -0.7 | 225.0 | 6.96 | 1.41 | 1.1319 |
| -0.7 | 255.0 | 6.69 | 1.25 | 0.408 |
| -0.7 | 285.0 | 7.04 | 1.24 | 0.7219 |
| -0.7 | 315.0 | 5.43 | 0.981 | 0.3487 |
| -0.7 | 345.0 | 5.71 | 1.15 | 0.6176 |
| -0.5 | 15.0 | 5.98 | 1.1 | 0.2662 |
| -0.5 | 45.0 | 6.15 | 1.07 | 1.1068 |
| -0.5 | 75.0 | 7.06 | 1.12 | 1.1038 |
| -0.5 | 105.0 | 8.93 | 1.56 | 1.3082 |
| -0.5 | 135.0 | 7.63 | 1.42 | 0.9138 |
| -0.5 | 165.0 | 6.14 | 1.15 | 0.9761 |
| -0.5 | 195.0 | 4.98 | 1.01 | 0.2541 |
| -0.5 | 225.0 | 11.6 | 1.87 | 1.1752 |
| -0.5 | 255.0 | 10.6 | 1.7 | 1.0865 |
| -0.5 | 285.0 | 12.4 | 1.87 | 1.3229 |
| -0.5 | 315.0 | 6.07 | 1.1 | 0.127 |
| -0.5 | 345.0 | 6.88 | 1.26 | 0.657 |
| -0.3 | 15.0 | 6.01 | 1.1 | 0.4082 |
| -0.3 | 45.0 | 6.25 | 1.08 | 0.276 |
| -0.3 | 75.0 | 8.81 | 1.43 | 0.9956 |
| -0.3 | 105.0 | 6.74 | 1.18 | 0.8333 |
| -0.3 | 135.0 | 9.1 | 1.56 | 0.9601 |
| -0.3 | 165.0 | 5.8 | 1.01 | 0.3892 |
| -0.3 | 195.0 | 5.95 | 1.04 | 0.2954 |
| -0.3 | 225.0 | 7.79 | 1.27 | 0.4607 |
| -0.3 | 255.0 | 9.22 | 1.44 | 0.8043 |
| -0.3 | 285.0 | 12.2 | 1.8 | 1.5628 |
| -0.3 | 315.0 | 7.03 | 1.13 | 0.4268 |
| -0.3 | 345.0 | 4.42 | 0.947 | 0.4881 |
| -0.1 | 15.0 | 5.57 | 1.03 | 0.3844 |
| -0.1 | 45.0 | 5.77 | 1.03 | 0.1471 |
| -0.1 | 75.0 | 10.3 | 1.42 | 0.669 |
| -0.1 | 105.0 | 11.1 | 1.85 | 1.0149 |
| -0.1 | 135.0 | 8.58 | 1.47 | 0.557 |
| -0.1 | 165.0 | 7.79 | 1.3 | 0.5492 |
| -0.1 | 195.0 | 5.81 | 0.975 | 0.8136 |
| -0.1 | 225.0 | 13.3 | 2.19 | 2.8446 |
| -0.1 | 255.0 | 12.2 | 1.92 | 1.4286 |
| -0.1 | 285.0 | 8.36 | 1.27 | 0.704 |
| -0.1 | 315.0 | 6.62 | 1.15 | 0.3931 |
| -0.1 | 345.0 | 5.37 | 0.897 | 0.5248 |
| 0.1 | 15.0 | 6.08 | 1.18 | 0.2187 |
| 0.1 | 45.0 | 4.53 | 0.774 | 0.4505 |
| 0.1 | 75.0 | 10.7 | 1.63 | 1.025 |
| 0.1 | 105.0 | 12.4 | 1.83 | 0.7159 |
| 0.1 | 135.0 | 12.3 | 1.87 | 0.5362 |
| 0.1 | 165.0 | 6.94 | 1.1 | 0.4698 |
| 0.1 | 195.0 | 7.37 | 1.18 | 0.5584 |
| 0.1 | 225.0 | 9.11 | 1.45 | 1.3589 |
| 0.1 | 255.0 | 7.43 | 1.32 | 0.7177 |
| 0.1 | 285.0 | 9.59 | 1.5 | 1.0784 |
| 0.1 | 315.0 | 7.29 | 1.23 | 0.4654 |
| 0.1 | 345.0 | 3.61 | 0.729 | 0.2272 |
| 0.3 | 15.0 | 3.53 | 0.694 | 0.6121 |
| 0.3 | 45.0 | 6.44 | 1.05 | 0.5052 |
| 0.3 | 75.0 | 11.5 | 1.77 | 1.7843 |
| 0.3 | 105.0 | 13.7 | 2.2 | 0.3708 |
| 0.3 | 135.0 | 11.2 | 1.79 | 0.6801 |
| 0.3 | 165.0 | 10.0 | 1.52 | 0.4765 |
| 0.3 | 195.0 | 8.15 | 1.29 | 0.5842 |
| 0.3 | 225.0 | 16.6 | 2.44 | 2.6396 |
| 0.3 | 255.0 | 8.41 | 1.42 | 1.0699 |
| 0.3 | 285.0 | 8.21 | 1.28 | 0.4255 |
| 0.3 | 315.0 | 9.65 | 1.54 | 0.6152 |
| 0.3 | 345.0 | 5.23 | 1.06 | 0.6226 |
| 0.5 | 15.0 | 3.75 | 0.837 | 0.2908 |
| 0.5 | 45.0 | 6.47 | 1.07 | 0.9738 |
| 0.5 | 75.0 | 9.06 | 1.44 | 0.5028 |
| 0.5 | 105.0 | 5.58 | 1.1 | 0.4144 |
| 0.5 | 135.0 | 11.3 | 1.87 | 0.7996 |
| 0.5 | 165.0 | 10.7 | 1.64 | 0.9937 |
| 0.5 | 195.0 | 12.9 | 1.9 | 0.8675 |
| 0.5 | 225.0 | 12.3 | 1.89 | 0.893 |
| 0.5 | 255.0 | 7.72 | 1.31 | 0.9246 |
| 0.5 | 285.0 | 12.3 | 1.94 | 1.5659 |
| 0.5 | 315.0 | 6.25 | 1.09 | 0.265 |
| 0.5 | 345.0 | 4.47 | 0.932 | 0.3197 |
| 0.7 | 15.0 | 5.02 | 1.03 | 0.6478 |
| 0.7 | 45.0 | 6.2 | 1.17 | 0.6248 |
| 0.7 | 75.0 | 9.63 | 1.52 | 1.8329 |
| 0.7 | 105.0 | 8.01 | 1.36 | 1.1085 |
| 0.7 | 135.0 | 10.1 | 1.59 | 0.4928 |
| 0.7 | 165.0 | 10.1 | 1.69 | 0.7789 |
| 0.7 | 195.0 | 12.0 | 1.91 | 1.4597 |
| 0.7 | 225.0 | 10.6 | 1.66 | 0.8761 |
| 0.7 | 255.0 | 9.24 | 1.45 | 1.2871 |
| 0.7 | 285.0 | 10.9 | 1.71 | 0.5105 |
| 0.7 | 315.0 | 3.79 | 0.725 | 1.2023 |
| 0.7 | 345.0 | 3.64 | 0.773 | 0.6282 |
| 0.9 | 15.0 | 10.0 | 2.27 | 2.1706 |
| 0.9 | 45.0 | 8.53 | 1.84 | 1.4738 |
| 0.9 | 75.0 | 7.25 | 1.34 | 0.7852 |
| 0.9 | 105.0 | 8.01 | 1.57 | 0.9397 |
| 0.9 | 135.0 | 8.92 | 1.56 | 0.476 |
| 0.9 | 165.0 | 9.44 | 1.69 | 0.3991 |
| 0.9 | 195.0 | 13.7 | 2.38 | 0.5679 |
| 0.9 | 225.0 | 6.21 | 1.23 | 0.7109 |
| 0.9 | 255.0 | 10.9 | 1.87 | 1.0386 |
| 0.9 | 285.0 | 9.84 | 1.75 | 0.8636 |
| 0.9 | 315.0 | 7.12 | 1.43 | 1.7844 |
| 0.9 | 345.0 | 5.24 | 1.17 | 0.2035 |
Experiment comment: