Measurement E9M140
| 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: | 1.28 GeV | |
| ε: | 0.632 | |
| 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 | 2.45 | 0.879 | 0.4406 |
| -0.9 | 45.0 | 2.38 | 0.822 | 1.0831 |
| -0.9 | 75.0 | 5.7 | 2.04 | 1.4874 |
| -0.9 | 105.0 | 1.74 | 0.683 | 1.3913 |
| -0.9 | 135.0 | 3.97 | 1.62 | 1.1197 |
| -0.9 | 165.0 | 1.31 | 0.521 | 0.7164 |
| -0.9 | 195.0 | 4.11 | 1.3 | 0.3103 |
| -0.9 | 225.0 | 1.6 | 0.794 | 0.3359 |
| -0.9 | 255.0 | 1.72 | 0.676 | 0.5428 |
| -0.9 | 285.0 | 2.5 | 0.886 | 0.805 |
| -0.9 | 315.0 | 1.72 | 0.637 | 0.2298 |
| -0.9 | 345.0 | 3.28 | 1.12 | 0.5953 |
| -0.7 | 15.0 | 1.94 | 0.627 | 0.4818 |
| -0.7 | 45.0 | 2.56 | 0.837 | 0.1486 |
| -0.7 | 75.0 | 5.13 | 1.43 | 0.3781 |
| -0.7 | 105.0 | 11.4 | 3.26 | 3.1553 |
| -0.7 | 135.0 | 2.22 | 0.861 | 0.4796 |
| -0.7 | 165.0 | 3.92 | 1.22 | 0.4751 |
| -0.7 | 195.0 | 2.82 | 0.993 | 0.669 |
| -0.7 | 225.0 | 3.37 | 1.48 | 0.4 |
| -0.7 | 255.0 | 4.78 | 1.55 | 0.1208 |
| -0.7 | 285.0 | 7.0 | 1.85 | 0.5799 |
| -0.7 | 315.0 | 4.07 | 1.03 | 0.4219 |
| -0.7 | 345.0 | 4.45 | 1.02 | 0.9678 |
| -0.5 | 15.0 | 3.06 | 0.741 | 0.5219 |
| -0.5 | 45.0 | 7.2 | 1.79 | 1.7292 |
| -0.5 | 75.0 | 8.46 | 2.01 | 0.7066 |
| -0.5 | 105.0 | 10.7 | 3.21 | 1.301 |
| -0.5 | 135.0 | 5.47 | 1.74 | 0.7402 |
| -0.5 | 165.0 | 1.5 | 0.58 | 0.9708 |
| -0.5 | 195.0 | 2.76 | 0.987 | 0.2741 |
| -0.5 | 225.0 | 4.28 | 1.29 | 2.6435 |
| -0.5 | 255.0 | 4.11 | 1.24 | 0.4328 |
| -0.5 | 285.0 | 6.49 | 1.51 | 0.2243 |
| -0.5 | 315.0 | 5.12 | 1.2 | 0.5886 |
| -0.5 | 345.0 | 4.4 | 1.03 | 0.2669 |
| -0.3 | 15.0 | 2.99 | 0.668 | 0.8013 |
| -0.3 | 45.0 | 6.15 | 1.46 | 0.673 |
| -0.3 | 75.0 | 7.36 | 1.53 | 1.5172 |
| -0.3 | 105.0 | 10.1 | 2.25 | 0.1393 |
| -0.3 | 135.0 | 5.2 | 1.85 | 1.1156 |
| -0.3 | 165.0 | 2.07 | 0.751 | 0.4586 |
| -0.3 | 195.0 | 8.01 | 2.1 | 3.6427 |
| -0.3 | 225.0 | 3.73 | 1.24 | 0.8475 |
| -0.3 | 255.0 | 9.43 | 2.31 | 1.0617 |
| -0.3 | 285.0 | 5.87 | 1.31 | 0.2578 |
| -0.3 | 315.0 | 7.98 | 1.74 | 0.9263 |
| -0.3 | 345.0 | 5.08 | 1.05 | 0.3876 |
| -0.1 | 15.0 | 4.47 | 0.902 | 0.6709 |
| -0.1 | 45.0 | 6.04 | 1.37 | 0.4301 |
| -0.1 | 75.0 | 8.29 | 1.66 | 0.6213 |
| -0.1 | 105.0 | 4.6 | 1.13 | 2.0038 |
| -0.1 | 135.0 | 7.03 | 2.42 | 1.3477 |
| -0.1 | 165.0 | 0.853 | 0.621 | 0.1011 |
| -0.1 | 195.0 | 3.61 | 1.27 | 0.8583 |
| -0.1 | 225.0 | 14.2 | 4.28 | 2.6891 |
| -0.1 | 255.0 | 7.9 | 1.83 | 0.5209 |
| -0.1 | 285.0 | 7.41 | 1.45 | 0.2808 |
| -0.1 | 315.0 | 5.01 | 1.11 | 1.6592 |
| -0.1 | 345.0 | 6.05 | 1.21 | 0.4338 |
| 0.1 | 15.0 | 7.32 | 1.45 | 0.7867 |
| 0.1 | 45.0 | 6.96 | 1.49 | 0.573 |
| 0.1 | 75.0 | 9.48 | 1.93 | 0.6035 |
| 0.1 | 105.0 | 9.39 | 2.28 | 1.1003 |
| 0.1 | 135.0 | 7.93 | 2.13 | 2.624 |
| 0.1 | 165.0 | 4.41 | 1.88 | 0.819 |
| 0.1 | 195.0 | 5.9 | 1.95 | 8.5423 |
| 0.1 | 225.0 | 10.9 | 2.68 | 2.477 |
| 0.1 | 255.0 | 7.06 | 1.69 | 0.8617 |
| 0.1 | 285.0 | 11.8 | 2.09 | 0.8155 |
| 0.1 | 315.0 | 8.16 | 1.67 | 0.5157 |
| 0.1 | 345.0 | 5.33 | 0.95 | 0.1566 |
| 0.3 | 15.0 | 8.16 | 1.59 | 0.6273 |
| 0.3 | 45.0 | 6.68 | 1.66 | 1.6268 |
| 0.3 | 75.0 | 10.8 | 2.24 | 1.3125 |
| 0.3 | 105.0 | 6.97 | 1.69 | 0.2118 |
| 0.3 | 135.0 | 4.14 | 1.45 | 0.9172 |
| 0.3 | 165.0 | 8.2 | 3.97 | 2.6305 |
| 0.3 | 195.0 | 8.06 | 3.28 | 2.0229 |
| 0.3 | 225.0 | 10.6 | 2.75 | 2.1198 |
| 0.3 | 255.0 | 7.68 | 1.81 | 0.7148 |
| 0.3 | 285.0 | 8.44 | 1.82 | 0.9556 |
| 0.3 | 315.0 | 8.03 | 1.73 | 0.8535 |
| 0.3 | 345.0 | 7.66 | 1.51 | 0.4814 |
| 0.5 | 15.0 | 4.09 | 0.948 | 0.6359 |
| 0.5 | 45.0 | 3.7 | 0.911 | 0.5925 |
| 0.5 | 75.0 | 5.45 | 1.4 | 0.3539 |
| 0.5 | 105.0 | 4.63 | 1.28 | 1.0122 |
| 0.5 | 135.0 | 15.8 | 4.26 | 1.5516 |
| 0.5 | 165.0 | 4.46 | 2.59 | 1.9679 |
| 0.5 | 195.0 | 5.09 | 2.16 | 3.35 |
| 0.5 | 225.0 | 2.56 | 1.24 | 0.6842 |
| 0.5 | 255.0 | 10.5 | 2.65 | 2.3626 |
| 0.5 | 285.0 | 5.24 | 1.39 | 0.4496 |
| 0.5 | 315.0 | 7.41 | 1.67 | 1.0821 |
| 0.5 | 345.0 | 5.86 | 1.22 | 0.3356 |
| 0.7 | 15.0 | 1.89 | 0.65 | 0.7505 |
| 0.7 | 45.0 | 3.44 | 0.922 | 0.3077 |
| 0.7 | 75.0 | 5.76 | 1.52 | 1.0875 |
| 0.7 | 105.0 | 5.86 | 1.61 | 0.9864 |
| 0.7 | 135.0 | 2.99 | 1.28 | 0.5635 |
| 0.7 | 165.0 | 2.66 | 1.15 | 0.4505 |
| 0.7 | 195.0 | 7.07 | 2.76 | 1.0814 |
| 0.7 | 225.0 | 0.967 | 0.579 | 0.8364 |
| 0.7 | 255.0 | 4.71 | 1.34 | 1.7835 |
| 0.7 | 285.0 | 4.19 | 1.26 | 0.4262 |
| 0.7 | 315.0 | 5.29 | 1.58 | 1.0466 |
| 0.7 | 345.0 | 3.27 | 0.828 | 0.165 |
| 0.9 | 15.0 | 2.87 | 0.995 | 0.344 |
| 0.9 | 45.0 | 1.92 | 0.76 | 0.4559 |
| 0.9 | 75.0 | 6.61 | 2.01 | 0.8562 |
| 0.9 | 105.0 | 6.81 | 2.96 | 2.471 |
| 0.9 | 135.0 | 1.9 | 0.952 | 1.0591 |
| 0.9 | 165.0 | 3.95 | 1.61 | 1.6265 |
| 0.9 | 195.0 | 2.82 | 1.4 | 1.0283 |
| 0.9 | 225.0 | 2.36 | 1.03 | 1.2666 |
| 0.9 | 255.0 | 3.42 | 1.21 | 0.756 |
| 0.9 | 285.0 | 6.71 | 2.56 | 2.0057 |
| 0.9 | 315.0 | 3.15 | 1.06 | 0.5956 |
| 0.9 | 345.0 | 2.79 | 0.854 | 0.1004 |
Experiment comment: