Measurement E9M85
| 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: | 1.22 GeV | |
| ε: | 0.781 | |
| 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 | 8.48 | 1.17 | 0.7961 |
| -0.9 | 45.0 | 16.5 | 1.9 | 1.6711 |
| -0.9 | 75.0 | 13.4 | 1.63 | 0.8185 |
| -0.9 | 105.0 | 12.4 | 1.66 | 0.745 |
| -0.9 | 135.0 | 11.7 | 1.59 | 1.3806 |
| -0.9 | 165.0 | 6.99 | 1.07 | 0.4212 |
| -0.9 | 195.0 | 8.03 | 1.28 | 1.2964 |
| -0.9 | 225.0 | 11.4 | 1.49 | 1.2568 |
| -0.9 | 255.0 | 12.6 | 1.62 | 1.0308 |
| -0.9 | 285.0 | 17.1 | 1.99 | 1.3398 |
| -0.9 | 315.0 | 14.2 | 1.78 | 1.8193 |
| -0.9 | 345.0 | 12.5 | 1.62 | 2.0997 |
| -0.7 | 15.0 | 12.8 | 1.3 | 0.5958 |
| -0.7 | 45.0 | 10.9 | 1.11 | 1.1726 |
| -0.7 | 75.0 | 16.6 | 1.68 | 1.4858 |
| -0.7 | 105.0 | 14.3 | 1.65 | 0.8746 |
| -0.7 | 135.0 | 13.6 | 1.7 | 1.4552 |
| -0.7 | 165.0 | 10.0 | 1.35 | 0.4892 |
| -0.7 | 195.0 | 8.11 | 1.13 | 0.9243 |
| -0.7 | 225.0 | 13.4 | 1.56 | 1.1269 |
| -0.7 | 255.0 | 17.9 | 1.91 | 2.2858 |
| -0.7 | 285.0 | 18.0 | 1.87 | 1.0476 |
| -0.7 | 315.0 | 19.5 | 1.79 | 0.5895 |
| -0.7 | 345.0 | 14.7 | 1.49 | 0.8426 |
| -0.5 | 15.0 | 14.0 | 1.29 | 0.3391 |
| -0.5 | 45.0 | 18.5 | 1.61 | 0.5292 |
| -0.5 | 75.0 | 25.8 | 2.51 | 0.8471 |
| -0.5 | 105.0 | 21.7 | 2.29 | 0.7697 |
| -0.5 | 135.0 | 18.2 | 2.06 | 1.6163 |
| -0.5 | 165.0 | 12.4 | 1.52 | 1.2124 |
| -0.5 | 195.0 | 13.1 | 1.48 | 0.4213 |
| -0.5 | 225.0 | 15.5 | 1.73 | 1.5969 |
| -0.5 | 255.0 | 23.9 | 2.54 | 0.7778 |
| -0.5 | 285.0 | 23.7 | 2.33 | 0.7263 |
| -0.5 | 315.0 | 15.7 | 1.44 | 0.6614 |
| -0.5 | 345.0 | 13.2 | 1.22 | 1.4195 |
| -0.3 | 15.0 | 18.6 | 1.65 | 1.0075 |
| -0.3 | 45.0 | 21.2 | 1.81 | 1.7335 |
| -0.3 | 75.0 | 24.2 | 2.37 | 0.9474 |
| -0.3 | 105.0 | 31.3 | 3.38 | 1.6186 |
| -0.3 | 135.0 | 24.4 | 2.94 | 0.7194 |
| -0.3 | 165.0 | 10.4 | 1.2 | 1.3688 |
| -0.3 | 195.0 | 12.1 | 1.34 | 0.8675 |
| -0.3 | 225.0 | 20.7 | 2.54 | 1.5969 |
| -0.3 | 255.0 | 23.6 | 2.76 | 1.2135 |
| -0.3 | 285.0 | 27.3 | 2.67 | 2.1372 |
| -0.3 | 315.0 | 22.1 | 1.86 | 1.0828 |
| -0.3 | 345.0 | 14.7 | 1.34 | 0.255 |
| -0.1 | 15.0 | 17.6 | 1.62 | 0.2062 |
| -0.1 | 45.0 | 19.9 | 1.74 | 1.3555 |
| -0.1 | 75.0 | 25.8 | 2.46 | 0.255 |
| -0.1 | 105.0 | 30.2 | 3.61 | 2.2561 |
| -0.1 | 135.0 | 19.5 | 2.73 | 1.021 |
| -0.1 | 165.0 | 12.6 | 1.4 | 2.3468 |
| -0.1 | 195.0 | 15.2 | 1.67 | 0.9772 |
| -0.1 | 225.0 | 20.9 | 2.7 | 1.3351 |
| -0.1 | 255.0 | 29.4 | 3.19 | 1.5867 |
| -0.1 | 285.0 | 32.1 | 3.01 | 1.2855 |
| -0.1 | 315.0 | 20.4 | 1.81 | 0.4272 |
| -0.1 | 345.0 | 12.6 | 1.18 | 0.8062 |
| 0.1 | 15.0 | 13.4 | 1.26 | 0.1658 |
| 0.1 | 45.0 | 17.3 | 1.55 | 0.9421 |
| 0.1 | 75.0 | 25.0 | 2.4 | 1.4107 |
| 0.1 | 105.0 | 32.2 | 3.48 | 0.9631 |
| 0.1 | 135.0 | 25.2 | 3.43 | 2.4145 |
| 0.1 | 165.0 | 19.5 | 2.18 | 1.537 |
| 0.1 | 195.0 | 16.6 | 1.76 | 1.2884 |
| 0.1 | 225.0 | 23.4 | 3.41 | 2.3281 |
| 0.1 | 255.0 | 25.4 | 2.88 | 3.6671 |
| 0.1 | 285.0 | 25.2 | 2.56 | 1.0712 |
| 0.1 | 315.0 | 18.3 | 1.63 | 0.6344 |
| 0.1 | 345.0 | 14.8 | 1.44 | 0.5723 |
| 0.3 | 15.0 | 11.2 | 1.12 | 0.7842 |
| 0.3 | 45.0 | 21.0 | 1.9 | 1.4107 |
| 0.3 | 75.0 | 25.9 | 2.57 | 0.6305 |
| 0.3 | 105.0 | 27.5 | 3.22 | 0.9721 |
| 0.3 | 135.0 | 23.7 | 3.39 | 1.4975 |
| 0.3 | 165.0 | 14.8 | 1.74 | 0.9247 |
| 0.3 | 195.0 | 18.6 | 2.16 | 1.4239 |
| 0.3 | 225.0 | 22.4 | 3.04 | 1.7642 |
| 0.3 | 255.0 | 30.6 | 3.25 | 2.313 |
| 0.3 | 285.0 | 22.2 | 2.2 | 2.0506 |
| 0.3 | 315.0 | 19.7 | 1.83 | 1.2155 |
| 0.3 | 345.0 | 13.4 | 1.3 | 0.886 |
| 0.5 | 15.0 | 12.3 | 1.31 | 0.6205 |
| 0.5 | 45.0 | 15.3 | 1.44 | 1.3491 |
| 0.5 | 75.0 | 26.2 | 2.79 | 2.6557 |
| 0.5 | 105.0 | 28.2 | 3.22 | 1.3702 |
| 0.5 | 135.0 | 26.9 | 3.62 | 0.8155 |
| 0.5 | 165.0 | 16.1 | 1.85 | 1.1522 |
| 0.5 | 195.0 | 17.3 | 1.9 | 2.1892 |
| 0.5 | 225.0 | 25.0 | 3.17 | 4.5053 |
| 0.5 | 255.0 | 19.1 | 2.34 | 2.188 |
| 0.5 | 285.0 | 23.3 | 2.28 | 2.1296 |
| 0.5 | 315.0 | 19.0 | 1.91 | 0.9138 |
| 0.5 | 345.0 | 11.1 | 1.17 | 0.255 |
| 0.7 | 15.0 | 8.85 | 1.04 | 0.7594 |
| 0.7 | 45.0 | 15.1 | 1.58 | 1.3238 |
| 0.7 | 75.0 | 16.7 | 1.91 | 1.5379 |
| 0.7 | 105.0 | 19.9 | 2.57 | 1.24 |
| 0.7 | 135.0 | 18.4 | 2.52 | 0.8972 |
| 0.7 | 165.0 | 18.8 | 2.1 | 1.4874 |
| 0.7 | 195.0 | 18.1 | 1.95 | 1.6508 |
| 0.7 | 225.0 | 19.8 | 2.91 | 2.6263 |
| 0.7 | 255.0 | 24.1 | 2.69 | 1.0642 |
| 0.7 | 285.0 | 16.1 | 1.87 | 1.3416 |
| 0.7 | 315.0 | 14.8 | 1.53 | 0.6144 |
| 0.7 | 345.0 | 8.87 | 1.1 | 0.7552 |
| 0.9 | 15.0 | 7.18 | 0.974 | 0.7112 |
| 0.9 | 45.0 | 14.4 | 1.69 | 1.032 |
| 0.9 | 75.0 | 15.9 | 1.86 | 0.7842 |
| 0.9 | 105.0 | 11.2 | 1.51 | 1.2339 |
| 0.9 | 135.0 | 14.8 | 1.98 | 1.3048 |
| 0.9 | 165.0 | 16.3 | 2.05 | 2.0952 |
| 0.9 | 195.0 | 15.8 | 1.93 | 1.1045 |
| 0.9 | 225.0 | 12.9 | 1.84 | 1.5621 |
| 0.9 | 255.0 | 11.3 | 1.58 | 0.7762 |
| 0.9 | 285.0 | 10.7 | 1.38 | 1.0969 |
| 0.9 | 315.0 | 11.4 | 1.34 | 0.6364 |
| 0.9 | 345.0 | 11.2 | 1.42 | 0.9863 |
Experiment comment: