Measurement E9M168
| 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: | 1.18 GeV | |
| ε: | 0.893 | |
| 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 | 4.49 | 1.01 | 0.9926 |
| -0.9 | 45.0 | 5.48 | 1.23 | 0.4634 |
| -0.9 | 75.0 | 6.59 | 1.42 | 0.5766 |
| -0.9 | 105.0 | 6.19 | 1.44 | 0.5582 |
| -0.9 | 135.0 | 4.46 | 1.07 | 0.6129 |
| -0.9 | 165.0 | 3.45 | 1.15 | 0.4717 |
| -0.9 | 195.0 | 7.59 | 1.79 | 1.0688 |
| -0.9 | 225.0 | 3.29 | 0.898 | 0.5954 |
| -0.9 | 255.0 | 4.18 | 1.05 | 0.4353 |
| -0.9 | 285.0 | 4.21 | 0.938 | 0.6828 |
| -0.9 | 315.0 | 5.97 | 1.29 | 0.2252 |
| -0.9 | 345.0 | 7.33 | 1.51 | 1.0692 |
| -0.7 | 15.0 | 6.74 | 1.21 | 0.3682 |
| -0.7 | 45.0 | 7.13 | 1.27 | 0.615 |
| -0.7 | 75.0 | 6.51 | 1.24 | 0.2658 |
| -0.7 | 105.0 | 8.93 | 1.6 | 0.6141 |
| -0.7 | 135.0 | 10.1 | 1.85 | 0.71 |
| -0.7 | 165.0 | 6.67 | 1.58 | 0.28 |
| -0.7 | 195.0 | 5.97 | 1.27 | 0.3443 |
| -0.7 | 225.0 | 5.31 | 1.1 | 0.3048 |
| -0.7 | 255.0 | 5.19 | 1.07 | 0.3971 |
| -0.7 | 285.0 | 7.69 | 1.3 | 0.5175 |
| -0.7 | 315.0 | 8.16 | 1.5 | 0.4731 |
| -0.7 | 345.0 | 9.02 | 1.8 | 0.9575 |
| -0.5 | 15.0 | 6.4 | 1.26 | 0.2583 |
| -0.5 | 45.0 | 11.3 | 1.74 | 0.8366 |
| -0.5 | 75.0 | 9.29 | 1.4 | 0.8413 |
| -0.5 | 105.0 | 12.0 | 1.76 | 2.7267 |
| -0.5 | 135.0 | 8.42 | 1.38 | 1.4747 |
| -0.5 | 165.0 | 5.97 | 1.27 | 0.2884 |
| -0.5 | 195.0 | 7.21 | 1.37 | 0.8171 |
| -0.5 | 225.0 | 11.5 | 1.89 | 0.8411 |
| -0.5 | 255.0 | 12.7 | 1.84 | 0.3391 |
| -0.5 | 285.0 | 12.0 | 1.76 | 0.7826 |
| -0.5 | 315.0 | 7.57 | 1.34 | 0.3566 |
| -0.5 | 345.0 | 6.65 | 1.1 | 1.7836 |
| -0.3 | 15.0 | 7.48 | 1.27 | 0.563 |
| -0.3 | 45.0 | 8.13 | 1.43 | 0.4137 |
| -0.3 | 75.0 | 11.4 | 1.6 | 0.5362 |
| -0.3 | 105.0 | 12.4 | 1.96 | 0.8689 |
| -0.3 | 135.0 | 8.35 | 1.33 | 0.6755 |
| -0.3 | 165.0 | 9.34 | 1.68 | 0.9521 |
| -0.3 | 195.0 | 9.34 | 1.58 | 1.2529 |
| -0.3 | 225.0 | 10.6 | 1.65 | 1.2319 |
| -0.3 | 255.0 | 8.34 | 1.44 | 0.6082 |
| -0.3 | 285.0 | 10.7 | 1.52 | 0.5562 |
| -0.3 | 315.0 | 6.66 | 1.22 | 0.3518 |
| -0.3 | 345.0 | 8.45 | 1.56 | 1.4239 |
| -0.1 | 15.0 | 6.2 | 1.17 | 0.472 |
| -0.1 | 45.0 | 8.5 | 1.29 | 0.2401 |
| -0.1 | 75.0 | 14.0 | 1.96 | 0.9734 |
| -0.1 | 105.0 | 10.3 | 1.65 | 1.1192 |
| -0.1 | 135.0 | 10.2 | 1.69 | 0.6259 |
| -0.1 | 165.0 | 10.9 | 1.76 | 1.0096 |
| -0.1 | 195.0 | 10.7 | 1.73 | 0.4849 |
| -0.1 | 225.0 | 11.9 | 1.7 | 0.6325 |
| -0.1 | 255.0 | 12.0 | 1.81 | 0.4387 |
| -0.1 | 285.0 | 11.9 | 1.68 | 0.4387 |
| -0.1 | 315.0 | 7.92 | 1.26 | 0.4891 |
| -0.1 | 345.0 | 7.13 | 1.16 | 0.3258 |
| 0.1 | 15.0 | 5.49 | 1.05 | 0.1605 |
| 0.1 | 45.0 | 9.62 | 1.54 | 0.5785 |
| 0.1 | 75.0 | 13.0 | 1.79 | 0.3122 |
| 0.1 | 105.0 | 8.75 | 1.54 | 0.3242 |
| 0.1 | 135.0 | 14.1 | 1.99 | 0.9987 |
| 0.1 | 165.0 | 11.4 | 1.66 | 2.1219 |
| 0.1 | 195.0 | 17.6 | 2.55 | 1.1236 |
| 0.1 | 225.0 | 14.4 | 2.09 | 0.5099 |
| 0.1 | 255.0 | 15.3 | 2.21 | 0.9474 |
| 0.1 | 285.0 | 19.1 | 2.4 | 0.6874 |
| 0.1 | 315.0 | 10.2 | 1.55 | 0.7228 |
| 0.1 | 345.0 | 4.34 | 0.835 | 0.1508 |
| 0.3 | 15.0 | 5.37 | 1.01 | 0.5284 |
| 0.3 | 45.0 | 8.25 | 1.2 | 0.9903 |
| 0.3 | 75.0 | 6.69 | 1.19 | 0.6124 |
| 0.3 | 105.0 | 18.3 | 3.05 | 2.6277 |
| 0.3 | 135.0 | 11.5 | 2.08 | 1.7486 |
| 0.3 | 165.0 | 9.98 | 1.57 | 0.2329 |
| 0.3 | 195.0 | 13.5 | 2.07 | 1.3666 |
| 0.3 | 225.0 | 13.3 | 2.04 | 0.433 |
| 0.3 | 255.0 | 11.9 | 1.77 | 2.5323 |
| 0.3 | 285.0 | 13.5 | 1.81 | 0.5477 |
| 0.3 | 315.0 | 9.4 | 1.49 | 0.5789 |
| 0.3 | 345.0 | 3.89 | 0.9 | 0.3221 |
| 0.5 | 15.0 | 5.01 | 0.999 | 0.3721 |
| 0.5 | 45.0 | 8.21 | 1.34 | 0.1774 |
| 0.5 | 75.0 | 9.76 | 1.47 | 0.3846 |
| 0.5 | 105.0 | 13.1 | 2.02 | 0.4359 |
| 0.5 | 135.0 | 15.4 | 2.4 | 1.7125 |
| 0.5 | 165.0 | 9.54 | 1.57 | 1.0462 |
| 0.5 | 195.0 | 9.32 | 1.52 | 1.8275 |
| 0.5 | 225.0 | 8.72 | 1.52 | 0.3905 |
| 0.5 | 255.0 | 15.6 | 2.28 | 1.1619 |
| 0.5 | 285.0 | 11.9 | 1.66 | 0.5315 |
| 0.5 | 315.0 | 9.17 | 1.44 | 0.8122 |
| 0.5 | 345.0 | 6.93 | 1.29 | 0.5864 |
| 0.7 | 15.0 | 4.99 | 0.994 | 2.0387 |
| 0.7 | 45.0 | 6.89 | 1.31 | 0.2059 |
| 0.7 | 75.0 | 11.8 | 1.72 | 0.5874 |
| 0.7 | 105.0 | 15.0 | 2.23 | 1.4491 |
| 0.7 | 135.0 | 13.2 | 2.2 | 3.0544 |
| 0.7 | 165.0 | 10.6 | 1.78 | 1.2757 |
| 0.7 | 195.0 | 14.2 | 2.1 | 0.5196 |
| 0.7 | 225.0 | 9.77 | 1.54 | 1.4336 |
| 0.7 | 255.0 | 8.64 | 1.45 | 0.3238 |
| 0.7 | 285.0 | 7.59 | 1.29 | 1.0188 |
| 0.7 | 315.0 | 7.27 | 1.29 | 0.2938 |
| 0.7 | 345.0 | 4.19 | 0.899 | 0.0534 |
| 0.9 | 15.0 | 6.72 | 1.51 | 0.7877 |
| 0.9 | 45.0 | 6.12 | 1.17 | 1.1843 |
| 0.9 | 75.0 | 8.62 | 1.5 | 1.1787 |
| 0.9 | 105.0 | 7.88 | 1.32 | 1.817 |
| 0.9 | 135.0 | 10.2 | 1.77 | 1.3247 |
| 0.9 | 165.0 | 12.9 | 2.29 | 1.9248 |
| 0.9 | 195.0 | 11.7 | 1.95 | 1.9563 |
| 0.9 | 225.0 | 14.2 | 2.33 | 0.5679 |
| 0.9 | 255.0 | 10.4 | 1.75 | 1.2166 |
| 0.9 | 285.0 | 7.42 | 1.3 | 0.7741 |
| 0.9 | 315.0 | 5.68 | 1.06 | 1.8993 |
| 0.9 | 345.0 | 7.05 | 1.57 | 1.0834 |
Experiment comment: