Measurement E9M157
| 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: | 0.8 — 1.0 GeV2 | |
| W: | 1.24 GeV | |
| ε: | 0.584 | |
| 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 | 9.4 | 2.02 | 1.8536 |
| -0.9 | 45.0 | 4.02 | 1.17 | 0.7865 |
| -0.9 | 75.0 | 5.72 | 1.58 | 1.031 |
| -0.9 | 105.0 | 4.48 | 1.25 | 0.5374 |
| -0.9 | 135.0 | 5.76 | 1.54 | 0.889 |
| -0.9 | 165.0 | 5.97 | 1.6 | 1.1121 |
| -0.9 | 195.0 | 2.21 | 0.876 | 0.3063 |
| -0.9 | 225.0 | 6.5 | 1.96 | 1.5281 |
| -0.9 | 255.0 | 3.55 | 0.992 | 1.254 |
| -0.9 | 285.0 | 5.43 | 1.49 | 0.4853 |
| -0.9 | 315.0 | 6.06 | 1.52 | 1.2714 |
| -0.9 | 345.0 | 5.38 | 1.28 | 0.9047 |
| -0.7 | 15.0 | 9.97 | 1.93 | 0.1537 |
| -0.7 | 45.0 | 6.83 | 1.49 | 0.9301 |
| -0.7 | 75.0 | 7.77 | 1.77 | 0.9619 |
| -0.7 | 105.0 | 8.27 | 1.89 | 1.1491 |
| -0.7 | 135.0 | 5.05 | 1.56 | 1.1094 |
| -0.7 | 165.0 | 4.22 | 1.21 | 0.3628 |
| -0.7 | 195.0 | 5.13 | 1.42 | 0.5373 |
| -0.7 | 225.0 | 6.13 | 1.58 | 1.0164 |
| -0.7 | 255.0 | 5.85 | 1.37 | 2.6375 |
| -0.7 | 285.0 | 6.61 | 1.48 | 0.6769 |
| -0.7 | 315.0 | 4.64 | 1.01 | 0.5492 |
| -0.7 | 345.0 | 6.2 | 1.26 | 0.1658 |
| -0.5 | 15.0 | 9.24 | 1.8 | 1.2717 |
| -0.5 | 45.0 | 9.36 | 1.61 | 0.5324 |
| -0.5 | 75.0 | 6.54 | 1.58 | 0.5041 |
| -0.5 | 105.0 | 9.32 | 2.61 | 1.8633 |
| -0.5 | 135.0 | 8.68 | 2.06 | 1.3234 |
| -0.5 | 165.0 | 2.98 | 0.825 | 0.9787 |
| -0.5 | 195.0 | 5.47 | 1.51 | 1.2949 |
| -0.5 | 225.0 | 9.76 | 2.15 | 2.714 |
| -0.5 | 255.0 | 7.0 | 1.67 | 1.5594 |
| -0.5 | 285.0 | 9.52 | 1.99 | 0.3596 |
| -0.5 | 315.0 | 10.4 | 1.88 | 1.9383 |
| -0.5 | 345.0 | 5.45 | 1.12 | 0.3595 |
| -0.3 | 15.0 | 11.1 | 1.94 | 1.2085 |
| -0.3 | 45.0 | 6.85 | 1.38 | 0.4495 |
| -0.3 | 75.0 | 8.79 | 1.73 | 0.921 |
| -0.3 | 105.0 | 5.84 | 1.58 | 1.2822 |
| -0.3 | 135.0 | 6.45 | 1.81 | 1.2572 |
| -0.3 | 165.0 | 7.1 | 1.56 | 0.8322 |
| -0.3 | 195.0 | 6.76 | 1.48 | 0.1223 |
| -0.3 | 225.0 | 8.98 | 2.28 | 1.2604 |
| -0.3 | 255.0 | 11.1 | 2.24 | 0.5979 |
| -0.3 | 285.0 | 16.4 | 3.33 | 2.1059 |
| -0.3 | 315.0 | 6.64 | 1.43 | 0.2944 |
| -0.3 | 345.0 | 4.86 | 1.03 | 0.2279 |
| -0.1 | 15.0 | 7.42 | 1.28 | 0.3353 |
| -0.1 | 45.0 | 8.8 | 1.86 | 1.6368 |
| -0.1 | 75.0 | 15.3 | 2.74 | 3.2968 |
| -0.1 | 105.0 | 10.8 | 2.27 | 0.5073 |
| -0.1 | 135.0 | 9.79 | 2.22 | 1.7584 |
| -0.1 | 165.0 | 6.54 | 1.5 | 0.5969 |
| -0.1 | 195.0 | 4.58 | 1.13 | 1.2235 |
| -0.1 | 225.0 | 11.0 | 2.45 | 1.6381 |
| -0.1 | 255.0 | 17.2 | 3.33 | 2.6861 |
| -0.1 | 285.0 | 8.5 | 1.7 | 1.5636 |
| -0.1 | 315.0 | 10.5 | 1.99 | 0.3536 |
| -0.1 | 345.0 | 9.97 | 1.75 | 1.0548 |
| 0.1 | 15.0 | 7.93 | 1.33 | 0.6305 |
| 0.1 | 45.0 | 7.89 | 1.78 | 0.4742 |
| 0.1 | 75.0 | 11.6 | 1.92 | 1.1683 |
| 0.1 | 105.0 | 6.89 | 1.58 | 0.9143 |
| 0.1 | 135.0 | 9.32 | 2.47 | 1.501 |
| 0.1 | 165.0 | 8.09 | 1.9 | 0.3118 |
| 0.1 | 195.0 | 5.91 | 1.6 | 0.6254 |
| 0.1 | 225.0 | 6.49 | 1.82 | 0.4028 |
| 0.1 | 255.0 | 19.5 | 3.71 | 4.3744 |
| 0.1 | 285.0 | 10.8 | 1.91 | 1.2104 |
| 0.1 | 315.0 | 9.42 | 1.83 | 0.2806 |
| 0.1 | 345.0 | 7.71 | 1.28 | 0.3889 |
| 0.3 | 15.0 | 5.36 | 1.05 | 0.9231 |
| 0.3 | 45.0 | 11.2 | 2.18 | 0.3841 |
| 0.3 | 75.0 | 8.13 | 1.6 | 0.8647 |
| 0.3 | 105.0 | 11.5 | 2.43 | 1.6884 |
| 0.3 | 135.0 | 9.85 | 2.65 | 1.464 |
| 0.3 | 165.0 | 6.0 | 1.67 | 0.4427 |
| 0.3 | 195.0 | 7.23 | 2.03 | 0.9961 |
| 0.3 | 225.0 | 12.2 | 2.96 | 1.3645 |
| 0.3 | 255.0 | 8.76 | 1.8 | 1.1084 |
| 0.3 | 285.0 | 6.08 | 1.22 | 1.5268 |
| 0.3 | 315.0 | 6.46 | 1.4 | 0.1332 |
| 0.3 | 345.0 | 5.6 | 1.02 | 1.0034 |
| 0.5 | 15.0 | 2.49 | 0.618 | 0.0846 |
| 0.5 | 45.0 | 5.28 | 1.3 | 0.412 |
| 0.5 | 75.0 | 12.1 | 2.32 | 0.8093 |
| 0.5 | 105.0 | 11.6 | 2.38 | 0.7416 |
| 0.5 | 135.0 | 15.3 | 3.65 | 2.2578 |
| 0.5 | 165.0 | 8.26 | 1.95 | 0.5791 |
| 0.5 | 195.0 | 5.96 | 1.36 | 0.7181 |
| 0.5 | 225.0 | 6.06 | 1.55 | 0.5963 |
| 0.5 | 255.0 | 11.9 | 2.51 | 2.0678 |
| 0.5 | 285.0 | 9.28 | 1.89 | 0.602 |
| 0.5 | 315.0 | 4.66 | 1.14 | 0.3123 |
| 0.5 | 345.0 | 3.65 | 0.78 | 0.4484 |
| 0.7 | 15.0 | 4.29 | 1.06 | 0.2678 |
| 0.7 | 45.0 | 5.61 | 1.4 | 0.7786 |
| 0.7 | 75.0 | 11.4 | 2.52 | 1.451 |
| 0.7 | 105.0 | 8.3 | 1.75 | 0.778 |
| 0.7 | 135.0 | 3.83 | 1.45 | 0.8629 |
| 0.7 | 165.0 | 6.74 | 1.52 | 1.97 |
| 0.7 | 195.0 | 6.64 | 1.49 | 2.8005 |
| 0.7 | 225.0 | 7.64 | 2.13 | 0.9169 |
| 0.7 | 255.0 | 11.4 | 2.26 | 0.8352 |
| 0.7 | 285.0 | 4.7 | 1.22 | 0.4197 |
| 0.7 | 315.0 | 5.11 | 1.48 | 0.8972 |
| 0.7 | 345.0 | 6.02 | 1.31 | 1.0335 |
| 0.9 | 15.0 | 4.29 | 1.18 | 0.656 |
| 0.9 | 45.0 | 3.13 | 0.916 | 0.8137 |
| 0.9 | 75.0 | 13.9 | 3.73 | 4.1293 |
| 0.9 | 105.0 | 6.18 | 1.85 | 0.5897 |
| 0.9 | 135.0 | 4.27 | 1.48 | 0.8583 |
| 0.9 | 165.0 | 8.12 | 2.06 | 0.8009 |
| 0.9 | 195.0 | 6.17 | 1.52 | 0.6919 |
| 0.9 | 225.0 | 3.49 | 1.24 | 0.3756 |
| 0.9 | 255.0 | 2.72 | 0.981 | 0.4084 |
| 0.9 | 285.0 | 5.77 | 1.62 | 1.0329 |
| 0.9 | 315.0 | 5.32 | 1.37 | 0.8752 |
| 0.9 | 345.0 | 3.22 | 0.905 | 0.3585 |
Experiment comment: