Measurement E9M160
| 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: | 1.3 GeV | |
| ε: | 0.532 | |
| 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 | 1.69 | 0.762 | 0.2455 |
| -0.9 | 45.0 | 2.63 | 1.39 | 0.7333 |
| -0.9 | 75.0 | 1.21 | 0.609 | 0.3751 |
| -0.9 | 105.0 | 0.606 | 0.454 | 0.351 |
| -0.9 | 135.0 | 2.61 | 1.26 | 0.374 |
| -0.9 | 165.0 | 0.778 | 0.366 | 0.1155 |
| -0.9 | 195.0 | 0.883 | 0.554 | 0.1666 |
| -0.9 | 225.0 | 0.887 | 0.582 | 0.504 |
| -0.9 | 255.0 | 5.14 | 2.59 | 1.4479 |
| -0.9 | 285.0 | 1.42 | 0.652 | 0.4178 |
| -0.9 | 315.0 | 0.735 | 0.45 | 0.1314 |
| -0.9 | 345.0 | 1.2 | 0.67 | 0.126 |
| -0.7 | 15.0 | 2.09 | 0.604 | 0.6228 |
| -0.7 | 45.0 | 1.76 | 0.744 | 0.3278 |
| -0.7 | 75.0 | 1.62 | 0.785 | 0.1453 |
| -0.7 | 105.0 | 2.4 | 1.13 | 0.7171 |
| -0.7 | 135.0 | 1.28 | 0.975 | 0.2348 |
| -0.7 | 165.0 | 1.71 | 0.986 | 0.3806 |
| -0.7 | 195.0 | 1.49 | 0.747 | 0.2452 |
| -0.7 | 225.0 | 2.72 | 1.56 | 0.8322 |
| -0.7 | 255.0 | 2.47 | 1.36 | 0.4981 |
| -0.7 | 285.0 | 2.46 | 0.982 | 0.1284 |
| -0.7 | 315.0 | 2.18 | 0.92 | 0.1756 |
| -0.7 | 345.0 | 1.82 | 0.681 | 0.2062 |
| -0.5 | 15.0 | 1.76 | 0.675 | 0.4344 |
| -0.5 | 45.0 | 3.21 | 0.996 | 0.6385 |
| -0.5 | 75.0 | 1.67 | 0.795 | 0.3007 |
| -0.5 | 105.0 | 4.74 | 2.45 | 1.893 |
| -0.5 | 135.0 | 3.88 | 1.63 | 0.2815 |
| -0.5 | 165.0 | 3.0 | 1.53 | 1.1466 |
| -0.5 | 195.0 | 2.67 | 1.33 | 0.4291 |
| -0.5 | 225.0 | 3.11 | 1.6 | 1.618 |
| -0.5 | 255.0 | 3.19 | 1.26 | 1.2636 |
| -0.5 | 285.0 | 3.63 | 1.13 | 0.5819 |
| -0.5 | 315.0 | 2.52 | 0.84 | 0.2601 |
| -0.5 | 345.0 | 1.18 | 0.48 | 0.2263 |
| -0.3 | 15.0 | 2.56 | 0.777 | 0.7505 |
| -0.3 | 45.0 | 4.31 | 1.31 | 1.0925 |
| -0.3 | 75.0 | 4.96 | 1.41 | 2.1899 |
| -0.3 | 105.0 | 2.86 | 1.13 | 1.0754 |
| -0.3 | 135.0 | 3.29 | 1.69 | 1.0245 |
| -0.3 | 165.0 | 4.35 | 2.37 | 1.1471 |
| -0.3 | 195.0 | 3.59 | 2.14 | 1.5856 |
| -0.3 | 225.0 | 3.31 | 1.57 | 1.0034 |
| -0.3 | 255.0 | 4.1 | 1.19 | 0.845 |
| -0.3 | 285.0 | 4.95 | 1.58 | 0.7161 |
| -0.3 | 315.0 | 3.32 | 0.993 | 0.2228 |
| -0.3 | 345.0 | 1.32 | 0.438 | 0.9017 |
| -0.1 | 15.0 | 3.28 | 0.912 | 0.1773 |
| -0.1 | 45.0 | 2.19 | 0.693 | 0.5796 |
| -0.1 | 75.0 | 6.46 | 1.79 | 0.6761 |
| -0.1 | 105.0 | 5.39 | 1.66 | 0.5072 |
| -0.1 | 135.0 | 7.0 | 3.36 | 1.3937 |
| -0.1 | 165.0 | 5.9 | 4.33 | 1.2972 |
| -0.1 | 195.0 | 4.16 | 2.03 | 7.2351 |
| -0.1 | 225.0 | 1.94 | 0.867 | 1.6495 |
| -0.1 | 255.0 | 3.72 | 1.38 | 0.4861 |
| -0.1 | 285.0 | 4.08 | 1.19 | 0.3913 |
| -0.1 | 315.0 | 2.48 | 0.892 | 0.0763 |
| -0.1 | 345.0 | 5.33 | 1.41 | 1.0914 |
| 0.1 | 15.0 | 2.11 | 0.739 | 0.2739 |
| 0.1 | 45.0 | 4.17 | 1.24 | 0.2523 |
| 0.1 | 75.0 | 7.39 | 1.65 | 1.455 |
| 0.1 | 105.0 | 7.79 | 2.34 | 1.258 |
| 0.1 | 135.0 | 2.35 | 1.47 | 0.4987 |
| 0.1 | 195.0 | 5.64 | 3.32 | 0.7249 |
| 0.1 | 225.0 | 5.81 | 2.2 | 0.7884 |
| 0.1 | 255.0 | 6.58 | 1.86 | 0.8756 |
| 0.1 | 285.0 | 3.65 | 1.26 | 0.6147 |
| 0.1 | 315.0 | 2.19 | 0.886 | 0.4136 |
| 0.1 | 345.0 | 3.64 | 1.02 | 0.789 |
| 0.3 | 15.0 | 2.4 | 0.736 | 0.1622 |
| 0.3 | 45.0 | 2.03 | 0.779 | 0.5801 |
| 0.3 | 75.0 | 3.42 | 1.0 | 0.9268 |
| 0.3 | 105.0 | 4.73 | 1.57 | 0.7507 |
| 0.3 | 135.0 | 5.39 | 1.95 | 1.4775 |
| 0.3 | 165.0 | 2.38 | 1.33 | 1.8084 |
| 0.3 | 195.0 | 1.12 | 1.19 | 0.7997 |
| 0.3 | 225.0 | 1.96 | 0.97 | 0.7684 |
| 0.3 | 255.0 | 4.96 | 1.74 | 0.9374 |
| 0.3 | 285.0 | 5.91 | 1.67 | 0.8658 |
| 0.3 | 315.0 | 3.59 | 1.32 | 0.385 |
| 0.3 | 345.0 | 2.14 | 0.619 | 0.5334 |
| 0.5 | 15.0 | 1.84 | 0.601 | 1.2846 |
| 0.5 | 45.0 | 1.92 | 0.735 | 0.3503 |
| 0.5 | 75.0 | 2.26 | 0.825 | 0.3519 |
| 0.5 | 105.0 | 5.43 | 1.7 | 0.7359 |
| 0.5 | 135.0 | 1.38 | 0.743 | 0.3078 |
| 0.5 | 165.0 | 6.73 | 5.85 | 1.8198 |
| 0.5 | 195.0 | 1.31 | 1.44 | 0.9983 |
| 0.5 | 225.0 | 15.8 | 8.02 | 6.7902 |
| 0.5 | 255.0 | 3.54 | 1.36 | 0.1682 |
| 0.5 | 285.0 | 3.41 | 1.13 | 0.212 |
| 0.5 | 315.0 | 4.47 | 1.47 | 0.9268 |
| 0.5 | 345.0 | 2.88 | 0.998 | 0.7899 |
| 0.7 | 15.0 | 5.72 | 2.77 | 2.4309 |
| 0.7 | 45.0 | 1.74 | 0.683 | 0.4175 |
| 0.7 | 75.0 | 3.81 | 1.26 | 0.4948 |
| 0.7 | 105.0 | 7.56 | 3.08 | 1.7552 |
| 0.7 | 135.0 | 1.28 | 0.8 | 0.3069 |
| 0.7 | 165.0 | 17.2 | 15.0 | 11.5849 |
| 0.7 | 195.0 | 1.62 | 1.31 | 2.2954 |
| 0.7 | 225.0 | 4.67 | 2.56 | 0.9359 |
| 0.7 | 255.0 | 2.81 | 1.05 | 0.547 |
| 0.7 | 285.0 | 1.69 | 0.714 | 0.5043 |
| 0.7 | 315.0 | 2.81 | 1.33 | 0.5458 |
| 0.7 | 345.0 | 1.37 | 0.552 | 0.6314 |
| 0.9 | 15.0 | 0.626 | 0.311 | 0.1956 |
| 0.9 | 45.0 | 0.448 | 0.334 | 0.4928 |
| 0.9 | 75.0 | 1.83 | 0.94 | 0.1803 |
| 0.9 | 105.0 | 2.8 | 1.5 | 2.047 |
| 0.9 | 135.0 | 1.7 | 1.19 | 0.7612 |
| 0.9 | 165.0 | 1.01 | 0.652 | 1.0246 |
| 0.9 | 195.0 | 1.25 | 0.797 | 0.5519 |
| 0.9 | 225.0 | 0.534 | 0.561 | 0.3877 |
| 0.9 | 255.0 | 2.01 | 1.27 | 0.9665 |
| 0.9 | 285.0 | 2.73 | 2.01 | 0.8374 |
| 0.9 | 315.0 | 0.56 | 0.35 | 0.3022 |
| 0.9 | 345.0 | 1.48 | 0.882 | 0.33 |
Experiment comment: