Measurement E9M143
| 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: | 1.34 GeV | |
| ε: | 0.579 | |
| 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 | 45.0 | 0.605 | 0.339 | 0.0105 |
| -0.9 | 75.0 | 1.18 | 0.62 | 0.4243 |
| -0.9 | 105.0 | 0.994 | 0.567 | 0.2506 |
| -0.9 | 135.0 | 0.486 | 0.372 | 0.1856 |
| -0.9 | 165.0 | 0.858 | 0.657 | 0.2578 |
| -0.9 | 195.0 | 3.72 | 2.12 | 1.0582 |
| -0.9 | 225.0 | 0.475 | 0.307 | 0.3938 |
| -0.9 | 255.0 | 5.34 | 3.09 | 1.77 |
| -0.9 | 285.0 | 1.32 | 0.656 | 0.1517 |
| -0.9 | 315.0 | 0.734 | 0.462 | 0.263 |
| -0.9 | 345.0 | 0.84 | 0.432 | 0.1529 |
| -0.7 | 15.0 | 1.61 | 0.498 | 0.3673 |
| -0.7 | 45.0 | 2.27 | 0.751 | 0.3838 |
| -0.7 | 75.0 | 3.64 | 1.41 | 1.2905 |
| -0.7 | 105.0 | 2.8 | 1.32 | 1.2739 |
| -0.7 | 135.0 | 2.47 | 1.39 | 0.5749 |
| -0.7 | 165.0 | 1.01 | 0.657 | 0.6025 |
| -0.7 | 195.0 | 2.99 | 1.44 | 0.665 |
| -0.7 | 225.0 | 1.46 | 0.938 | 0.7259 |
| -0.7 | 255.0 | 2.53 | 1.22 | 0.6365 |
| -0.7 | 285.0 | 2.46 | 0.889 | 0.1806 |
| -0.7 | 315.0 | 2.11 | 0.713 | 0.5423 |
| -0.7 | 345.0 | 1.73 | 0.551 | 0.2258 |
| -0.5 | 15.0 | 2.17 | 0.862 | 0.5554 |
| -0.5 | 45.0 | 1.88 | 0.69 | 0.1768 |
| -0.5 | 75.0 | 2.63 | 0.85 | 0.4443 |
| -0.5 | 105.0 | 2.44 | 0.946 | 0.9155 |
| -0.5 | 135.0 | 1.62 | 0.733 | 0.3332 |
| -0.5 | 165.0 | 3.11 | 1.65 | 0.5867 |
| -0.5 | 195.0 | 1.2 | 0.752 | 0.1578 |
| -0.5 | 225.0 | 5.46 | 2.98 | 1.9458 |
| -0.5 | 255.0 | 2.22 | 0.93 | 0.4222 |
| -0.5 | 285.0 | 3.18 | 0.991 | 0.4922 |
| -0.5 | 315.0 | 2.53 | 0.773 | 0.709 |
| -0.5 | 345.0 | 4.35 | 1.49 | 1.4814 |
| -0.3 | 15.0 | 2.82 | 0.785 | 1.384 |
| -0.3 | 45.0 | 2.65 | 0.825 | 0.4271 |
| -0.3 | 75.0 | 3.66 | 1.05 | 0.1903 |
| -0.3 | 105.0 | 4.59 | 1.52 | 0.3174 |
| -0.3 | 135.0 | 0.706 | 0.518 | 0.1474 |
| -0.3 | 165.0 | 2.78 | 1.93 | 0.4997 |
| -0.3 | 225.0 | 1.52 | 0.817 | 0.7124 |
| -0.3 | 255.0 | 4.54 | 1.43 | 0.6085 |
| -0.3 | 285.0 | 5.17 | 1.37 | 1.2175 |
| -0.3 | 315.0 | 3.28 | 0.919 | 0.3086 |
| -0.3 | 345.0 | 2.27 | 0.793 | 0.7306 |
| -0.1 | 15.0 | 2.1 | 0.647 | 0.6305 |
| -0.1 | 45.0 | 3.82 | 1.0 | 0.2228 |
| -0.1 | 75.0 | 4.08 | 1.14 | 0.4438 |
| -0.1 | 105.0 | 3.47 | 0.97 | 0.5584 |
| -0.1 | 135.0 | 1.85 | 0.902 | 0.3959 |
| -0.1 | 165.0 | 7.14 | 7.18 | 5.2677 |
| -0.1 | 195.0 | 1.06 | 1.15 | 0.5798 |
| -0.1 | 225.0 | 5.18 | 1.83 | 1.1059 |
| -0.1 | 255.0 | 2.37 | 0.755 | 1.0773 |
| -0.1 | 285.0 | 3.09 | 0.816 | 1.0086 |
| -0.1 | 315.0 | 4.46 | 1.28 | 0.4011 |
| -0.1 | 345.0 | 4.4 | 1.09 | 0.7767 |
| 0.1 | 15.0 | 4.21 | 1.15 | 0.7455 |
| 0.1 | 45.0 | 2.21 | 0.598 | 0.1881 |
| 0.1 | 75.0 | 4.2 | 1.18 | 0.5142 |
| 0.1 | 105.0 | 3.23 | 0.855 | 0.9148 |
| 0.1 | 135.0 | 2.88 | 1.08 | 0.2523 |
| 0.1 | 195.0 | 1.9 | 2.06 | 1.0894 |
| 0.1 | 225.0 | 6.03 | 2.17 | 1.5519 |
| 0.1 | 255.0 | 7.5 | 1.79 | 1.355 |
| 0.1 | 285.0 | 4.17 | 1.12 | 0.1901 |
| 0.1 | 315.0 | 3.53 | 1.02 | 0.2369 |
| 0.1 | 345.0 | 1.9 | 0.696 | 0.4768 |
| 0.3 | 15.0 | 2.42 | 0.712 | 0.1681 |
| 0.3 | 45.0 | 2.2 | 0.627 | 0.4457 |
| 0.3 | 75.0 | 2.0 | 0.665 | 0.2075 |
| 0.3 | 105.0 | 3.48 | 1.03 | 0.3032 |
| 0.3 | 135.0 | 3.26 | 1.1 | 0.4396 |
| 0.3 | 165.0 | 6.49 | 6.53 | 3.5784 |
| 0.3 | 195.0 | 8.36 | 8.42 | 4.259 |
| 0.3 | 225.0 | 3.06 | 0.991 | 0.2854 |
| 0.3 | 255.0 | 5.4 | 1.53 | 1.0007 |
| 0.3 | 285.0 | 6.17 | 1.63 | 0.9551 |
| 0.3 | 315.0 | 1.77 | 0.585 | 0.145 |
| 0.3 | 345.0 | 3.49 | 0.983 | 0.5415 |
| 0.5 | 15.0 | 5.65 | 1.69 | 0.9067 |
| 0.5 | 45.0 | 3.22 | 0.892 | 0.4914 |
| 0.5 | 75.0 | 1.87 | 0.577 | 0.4435 |
| 0.5 | 105.0 | 2.95 | 0.882 | 0.5416 |
| 0.5 | 135.0 | 2.8 | 1.1 | 0.799 |
| 0.5 | 225.0 | 2.33 | 0.963 | 0.7012 |
| 0.5 | 255.0 | 3.66 | 1.04 | 0.7138 |
| 0.5 | 285.0 | 2.38 | 0.856 | 0.3734 |
| 0.5 | 315.0 | 1.79 | 0.583 | 0.1763 |
| 0.5 | 345.0 | 3.15 | 0.887 | 0.0474 |
| 0.7 | 15.0 | 1.86 | 0.72 | 0.5866 |
| 0.7 | 45.0 | 0.881 | 0.366 | 0.139 |
| 0.7 | 75.0 | 1.97 | 0.751 | 0.3789 |
| 0.7 | 105.0 | 1.03 | 0.644 | 0.3163 |
| 0.7 | 135.0 | 1.6 | 0.663 | 1.7344 |
| 0.7 | 165.0 | 0.883 | 0.995 | 3.0173 |
| 0.7 | 195.0 | 5.21 | 4.28 | 2.6821 |
| 0.7 | 225.0 | 2.08 | 0.938 | 0.316 |
| 0.7 | 255.0 | 2.04 | 0.918 | 0.757 |
| 0.7 | 285.0 | 1.56 | 0.726 | 0.3021 |
| 0.7 | 315.0 | 0.503 | 0.271 | 0.0803 |
| 0.7 | 345.0 | 4.73 | 1.49 | 1.4268 |
| 0.9 | 15.0 | 2.64 | 1.53 | 1.1392 |
| 0.9 | 45.0 | 1.5 | 0.728 | 0.2699 |
| 0.9 | 75.0 | 1.44 | 0.733 | 0.4951 |
| 0.9 | 105.0 | 0.734 | 0.622 | 0.244 |
| 0.9 | 135.0 | 10.4 | 6.75 | 5.6144 |
| 0.9 | 165.0 | 3.94 | 5.62 | 4.4364 |
| 0.9 | 195.0 | 7.7 | 6.54 | 3.7662 |
| 0.9 | 225.0 | 0.564 | 0.607 | 0.2341 |
| 0.9 | 255.0 | 0.839 | 0.457 | 0.5902 |
| 0.9 | 285.0 | 2.29 | 1.17 | 0.8105 |
| 0.9 | 315.0 | 1.42 | 0.784 | 0.4033 |
| 0.9 | 345.0 | 0.611 | 0.283 | 0.6946 |
Experiment comment: