Measurement E9M169
| 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: | 1.2 GeV | |
| ε: | 0.888 | |
| 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 | 8.3 | 1.52 | 0.5099 |
| -0.9 | 45.0 | 7.97 | 1.47 | 0.7493 |
| -0.9 | 75.0 | 12.3 | 2.16 | 1.4133 |
| -0.9 | 105.0 | 8.13 | 1.72 | 0.6631 |
| -0.9 | 135.0 | 7.75 | 1.63 | 1.256 |
| -0.9 | 165.0 | 6.2 | 1.45 | 0.2659 |
| -0.9 | 195.0 | 4.54 | 1.08 | 0.8666 |
| -0.9 | 225.0 | 6.84 | 1.47 | 0.8809 |
| -0.9 | 255.0 | 8.06 | 1.55 | 0.6644 |
| -0.9 | 285.0 | 10.5 | 2.02 | 1.2961 |
| -0.9 | 315.0 | 8.67 | 1.52 | 0.7237 |
| -0.9 | 345.0 | 9.5 | 1.7 | 0.4125 |
| -0.7 | 15.0 | 10.9 | 1.5 | 0.755 |
| -0.7 | 45.0 | 12.8 | 1.69 | 1.0874 |
| -0.7 | 75.0 | 13.0 | 1.77 | 0.3202 |
| -0.7 | 105.0 | 9.47 | 1.46 | 1.2842 |
| -0.7 | 135.0 | 7.73 | 1.31 | 0.7767 |
| -0.7 | 165.0 | 7.85 | 1.38 | 0.6585 |
| -0.7 | 195.0 | 7.02 | 1.15 | 1.674 |
| -0.7 | 225.0 | 11.2 | 1.69 | 0.8963 |
| -0.7 | 255.0 | 12.0 | 1.71 | 0.3317 |
| -0.7 | 285.0 | 15.6 | 2.07 | 1.092 |
| -0.7 | 315.0 | 16.2 | 2.14 | 1.5108 |
| -0.7 | 345.0 | 13.2 | 1.86 | 1.8459 |
| -0.5 | 15.0 | 11.8 | 1.5 | 1.2787 |
| -0.5 | 45.0 | 11.7 | 1.54 | 0.6819 |
| -0.5 | 75.0 | 14.9 | 1.78 | 0.7467 |
| -0.5 | 105.0 | 24.5 | 3.02 | 2.7527 |
| -0.5 | 135.0 | 12.4 | 1.7 | 1.0817 |
| -0.5 | 165.0 | 7.44 | 1.29 | 0.8071 |
| -0.5 | 195.0 | 11.2 | 1.67 | 0.4213 |
| -0.5 | 225.0 | 13.9 | 1.84 | 1.1192 |
| -0.5 | 255.0 | 13.0 | 1.71 | 1.0735 |
| -0.5 | 285.0 | 17.7 | 2.05 | 1.0524 |
| -0.5 | 315.0 | 14.0 | 1.67 | 0.45 |
| -0.5 | 345.0 | 13.0 | 1.77 | 1.0654 |
| -0.3 | 15.0 | 8.58 | 1.23 | 1.0027 |
| -0.3 | 45.0 | 16.4 | 1.91 | 1.0548 |
| -0.3 | 75.0 | 21.3 | 2.32 | 1.0735 |
| -0.3 | 105.0 | 18.5 | 2.34 | 1.7607 |
| -0.3 | 135.0 | 15.6 | 2.11 | 0.3905 |
| -0.3 | 165.0 | 10.1 | 1.52 | 1.2288 |
| -0.3 | 195.0 | 10.6 | 1.45 | 0.9675 |
| -0.3 | 225.0 | 17.0 | 2.21 | 0.7331 |
| -0.3 | 255.0 | 15.0 | 1.89 | 1.0607 |
| -0.3 | 285.0 | 20.7 | 2.25 | 0.5196 |
| -0.3 | 315.0 | 12.5 | 1.53 | 1.1906 |
| -0.3 | 345.0 | 10.8 | 1.56 | 1.1881 |
| -0.1 | 15.0 | 8.01 | 1.17 | 0.4786 |
| -0.1 | 45.0 | 14.5 | 1.71 | 0.4975 |
| -0.1 | 75.0 | 19.9 | 2.16 | 1.0977 |
| -0.1 | 105.0 | 25.3 | 3.04 | 0.4664 |
| -0.1 | 135.0 | 17.1 | 2.37 | 1.634 |
| -0.1 | 165.0 | 9.45 | 1.3 | 1.0481 |
| -0.1 | 195.0 | 12.4 | 1.77 | 1.7972 |
| -0.1 | 225.0 | 21.7 | 2.77 | 2.3468 |
| -0.1 | 255.0 | 17.5 | 2.38 | 1.6889 |
| -0.1 | 285.0 | 18.4 | 2.07 | 0.2598 |
| -0.1 | 315.0 | 14.2 | 1.76 | 0.6745 |
| -0.1 | 345.0 | 9.52 | 1.31 | 0.8666 |
| 0.1 | 15.0 | 8.57 | 1.27 | 0.9666 |
| 0.1 | 45.0 | 13.8 | 1.67 | 0.95 |
| 0.1 | 75.0 | 22.6 | 2.5 | 0.8276 |
| 0.1 | 105.0 | 20.5 | 2.72 | 2.9103 |
| 0.1 | 135.0 | 16.9 | 2.44 | 1.917 |
| 0.1 | 165.0 | 14.5 | 1.81 | 0.7382 |
| 0.1 | 195.0 | 14.2 | 1.92 | 0.7517 |
| 0.1 | 225.0 | 19.5 | 2.62 | 1.4274 |
| 0.1 | 255.0 | 22.6 | 2.84 | 0.8803 |
| 0.1 | 285.0 | 22.5 | 2.44 | 1.4552 |
| 0.1 | 315.0 | 13.6 | 1.76 | 0.8902 |
| 0.1 | 345.0 | 11.3 | 1.6 | 1.2689 |
| 0.3 | 15.0 | 7.7 | 1.14 | 0.5344 |
| 0.3 | 45.0 | 12.3 | 1.56 | 0.5339 |
| 0.3 | 75.0 | 17.2 | 2.1 | 1.2826 |
| 0.3 | 105.0 | 22.5 | 3.45 | 1.3693 |
| 0.3 | 135.0 | 21.1 | 2.81 | 0.669 |
| 0.3 | 165.0 | 14.4 | 1.9 | 1.3629 |
| 0.3 | 195.0 | 16.0 | 2.01 | 0.9962 |
| 0.3 | 225.0 | 16.5 | 2.31 | 1.1832 |
| 0.3 | 255.0 | 23.3 | 2.98 | 1.896 |
| 0.3 | 285.0 | 18.4 | 2.14 | 0.505 |
| 0.3 | 315.0 | 14.8 | 1.79 | 1.0571 |
| 0.3 | 345.0 | 9.63 | 1.51 | 0.7681 |
| 0.5 | 15.0 | 9.2 | 1.52 | 0.44 |
| 0.5 | 45.0 | 12.0 | 1.56 | 0.2345 |
| 0.5 | 75.0 | 17.8 | 2.15 | 0.5523 |
| 0.5 | 105.0 | 18.8 | 2.66 | 2.1154 |
| 0.5 | 135.0 | 13.9 | 2.11 | 2.2578 |
| 0.5 | 165.0 | 12.8 | 1.89 | 1.199 |
| 0.5 | 195.0 | 11.8 | 1.64 | 0.5362 |
| 0.5 | 225.0 | 18.1 | 2.46 | 1.1124 |
| 0.5 | 255.0 | 20.2 | 2.59 | 1.3928 |
| 0.5 | 285.0 | 17.2 | 2.1 | 1.5256 |
| 0.5 | 315.0 | 13.1 | 1.7 | 0.946 |
| 0.5 | 345.0 | 5.72 | 1.04 | 0.1064 |
| 0.7 | 15.0 | 7.21 | 1.26 | 0.8052 |
| 0.7 | 45.0 | 8.33 | 1.33 | 0.2873 |
| 0.7 | 75.0 | 14.5 | 1.89 | 0.8124 |
| 0.7 | 105.0 | 13.1 | 1.9 | 0.4213 |
| 0.7 | 135.0 | 21.1 | 2.67 | 2.0353 |
| 0.7 | 165.0 | 14.7 | 2.22 | 2.4774 |
| 0.7 | 195.0 | 16.2 | 2.31 | 1.3847 |
| 0.7 | 225.0 | 15.2 | 2.04 | 0.8818 |
| 0.7 | 255.0 | 13.4 | 1.73 | 0.9083 |
| 0.7 | 285.0 | 15.6 | 1.88 | 1.7095 |
| 0.7 | 315.0 | 9.28 | 1.33 | 0.4046 |
| 0.7 | 345.0 | 5.76 | 0.99 | 0.8277 |
| 0.9 | 15.0 | 6.07 | 1.24 | 0.6625 |
| 0.9 | 45.0 | 10.0 | 1.63 | 0.7958 |
| 0.9 | 75.0 | 10.3 | 1.66 | 0.9057 |
| 0.9 | 105.0 | 10.6 | 1.63 | 0.6681 |
| 0.9 | 135.0 | 13.5 | 2.01 | 1.0173 |
| 0.9 | 165.0 | 15.5 | 2.45 | 2.0851 |
| 0.9 | 195.0 | 16.9 | 2.6 | 1.3509 |
| 0.9 | 225.0 | 12.1 | 1.71 | 1.4519 |
| 0.9 | 255.0 | 13.8 | 2.13 | 1.5166 |
| 0.9 | 285.0 | 9.14 | 1.39 | 1.1013 |
| 0.9 | 315.0 | 9.66 | 1.69 | 0.5612 |
| 0.9 | 345.0 | 6.57 | 1.23 | 1.147 |
Experiment comment: