Measurement E9M9
| 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: | 1.26 GeV | |
| ε: | 0.814 | |
| 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 |
|---|---|---|---|
| -0.9 | 15.0 | 4.7 | 0.865 |
| -0.9 | 45.0 | 8.7 | 1.38 |
| -0.9 | 75.0 | 6.85 | 1.1 |
| -0.9 | 105.0 | 8.85 | 1.43 |
| -0.9 | 135.0 | 6.15 | 1.11 |
| -0.9 | 165.0 | 2.33 | 0.498 |
| -0.9 | 195.0 | 4.64 | 0.942 |
| -0.9 | 225.0 | 4.8 | 0.897 |
| -0.9 | 255.0 | 6.44 | 0.995 |
| -0.9 | 285.0 | 7.39 | 1.2 |
| -0.9 | 315.0 | 6.79 | 1.08 |
| -0.9 | 345.0 | 6.66 | 1.1 |
| -0.7 | 15.0 | 8.56 | 0.991 |
| -0.7 | 45.0 | 12.3 | 1.25 |
| -0.7 | 75.0 | 13.6 | 1.62 |
| -0.7 | 105.0 | 9.67 | 1.5 |
| -0.7 | 135.0 | 9.32 | 1.43 |
| -0.7 | 165.0 | 5.92 | 0.894 |
| -0.7 | 195.0 | 5.62 | 0.908 |
| -0.7 | 225.0 | 9.37 | 1.5 |
| -0.7 | 255.0 | 12.2 | 1.69 |
| -0.7 | 285.0 | 16.0 | 1.92 |
| -0.7 | 315.0 | 11.1 | 1.24 |
| -0.7 | 345.0 | 9.6 | 1.08 |
| -0.5 | 15.0 | 11.6 | 1.18 |
| -0.5 | 45.0 | 13.4 | 1.32 |
| -0.5 | 75.0 | 19.5 | 2.35 |
| -0.5 | 105.0 | 17.1 | 2.63 |
| -0.5 | 135.0 | 8.97 | 1.99 |
| -0.5 | 165.0 | 5.71 | 0.933 |
| -0.5 | 195.0 | 8.66 | 1.21 |
| -0.5 | 225.0 | 13.5 | 2.38 |
| -0.5 | 255.0 | 24.8 | 3.41 |
| -0.5 | 285.0 | 19.4 | 2.26 |
| -0.5 | 315.0 | 15.6 | 1.47 |
| -0.5 | 345.0 | 10.9 | 1.14 |
| -0.3 | 15.0 | 9.76 | 1.0 |
| -0.3 | 45.0 | 16.2 | 1.56 |
| -0.3 | 75.0 | 18.6 | 2.4 |
| -0.3 | 105.0 | 21.6 | 3.4 |
| -0.3 | 135.0 | 21.0 | 4.59 |
| -0.3 | 165.0 | 8.73 | 1.4 |
| -0.3 | 195.0 | 6.9 | 1.2 |
| -0.3 | 225.0 | 20.9 | 4.28 |
| -0.3 | 255.0 | 16.0 | 2.65 |
| -0.3 | 285.0 | 17.6 | 2.31 |
| -0.3 | 315.0 | 16.4 | 1.55 |
| -0.3 | 345.0 | 9.81 | 1.0 |
| -0.1 | 15.0 | 9.13 | 0.979 |
| -0.1 | 45.0 | 16.9 | 1.66 |
| -0.1 | 75.0 | 24.8 | 3.26 |
| -0.1 | 105.0 | 20.9 | 2.91 |
| -0.1 | 135.0 | 17.6 | 3.15 |
| -0.1 | 165.0 | 8.46 | 1.63 |
| -0.1 | 195.0 | 13.3 | 2.31 |
| -0.1 | 225.0 | 16.9 | 3.24 |
| -0.1 | 255.0 | 23.6 | 3.34 |
| -0.1 | 285.0 | 24.1 | 2.88 |
| -0.1 | 315.0 | 19.3 | 1.73 |
| -0.1 | 345.0 | 9.55 | 1.02 |
| 0.1 | 15.0 | 9.86 | 1.03 |
| 0.1 | 45.0 | 15.2 | 1.53 |
| 0.1 | 75.0 | 18.2 | 2.32 |
| 0.1 | 105.0 | 22.4 | 2.57 |
| 0.1 | 135.0 | 12.4 | 1.97 |
| 0.1 | 165.0 | 8.68 | 2.32 |
| 0.1 | 195.0 | 14.3 | 2.66 |
| 0.1 | 225.0 | 16.4 | 2.41 |
| 0.1 | 255.0 | 20.3 | 2.63 |
| 0.1 | 285.0 | 16.2 | 2.22 |
| 0.1 | 315.0 | 15.1 | 1.56 |
| 0.1 | 345.0 | 10.8 | 1.12 |
| 0.3 | 15.0 | 9.18 | 0.986 |
| 0.3 | 45.0 | 14.6 | 1.56 |
| 0.3 | 75.0 | 25.2 | 2.83 |
| 0.3 | 105.0 | 19.1 | 2.18 |
| 0.3 | 135.0 | 19.6 | 2.6 |
| 0.3 | 165.0 | 8.93 | 2.37 |
| 0.3 | 195.0 | 12.2 | 2.61 |
| 0.3 | 225.0 | 28.4 | 3.39 |
| 0.3 | 255.0 | 18.9 | 2.19 |
| 0.3 | 285.0 | 18.4 | 2.45 |
| 0.3 | 315.0 | 13.4 | 1.38 |
| 0.3 | 345.0 | 9.58 | 0.973 |
| 0.5 | 15.0 | 5.76 | 0.738 |
| 0.5 | 45.0 | 12.6 | 1.44 |
| 0.5 | 75.0 | 16.1 | 2.28 |
| 0.5 | 105.0 | 17.4 | 2.01 |
| 0.5 | 135.0 | 21.2 | 2.86 |
| 0.5 | 165.0 | 14.5 | 3.42 |
| 0.5 | 195.0 | 7.71 | 1.86 |
| 0.5 | 225.0 | 19.5 | 2.74 |
| 0.5 | 255.0 | 20.9 | 2.42 |
| 0.5 | 285.0 | 21.8 | 2.67 |
| 0.5 | 315.0 | 10.2 | 1.23 |
| 0.5 | 345.0 | 7.73 | 0.88 |
| 0.7 | 15.0 | 8.15 | 1.01 |
| 0.7 | 45.0 | 9.12 | 1.23 |
| 0.7 | 75.0 | 12.4 | 1.98 |
| 0.7 | 105.0 | 10.6 | 1.54 |
| 0.7 | 135.0 | 12.8 | 2.12 |
| 0.7 | 165.0 | 6.33 | 1.78 |
| 0.7 | 195.0 | 11.2 | 2.62 |
| 0.7 | 225.0 | 13.3 | 2.28 |
| 0.7 | 255.0 | 15.4 | 2.02 |
| 0.7 | 285.0 | 16.9 | 2.35 |
| 0.7 | 315.0 | 11.7 | 1.35 |
| 0.7 | 345.0 | 8.2 | 0.975 |
| 0.9 | 15.0 | 4.16 | 0.676 |
| 0.9 | 45.0 | 8.96 | 1.29 |
| 0.9 | 75.0 | 8.94 | 1.49 |
| 0.9 | 105.0 | 7.02 | 1.48 |
| 0.9 | 135.0 | 7.65 | 1.79 |
| 0.9 | 165.0 | 6.92 | 1.43 |
| 0.9 | 195.0 | 7.35 | 1.63 |
| 0.9 | 225.0 | 4.85 | 1.32 |
| 0.9 | 255.0 | 12.2 | 2.18 |
| 0.9 | 285.0 | 8.33 | 1.43 |
| 0.9 | 315.0 | 6.73 | 1.08 |
| 0.9 | 345.0 | 5.67 | 0.888 |
Experiment comment: