Measurement E9M227
| 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: | 1.16 GeV | |
| ε: | 0.848 | |
| 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 | 1.36 | 0.458 | 0.2535 |
| -0.9 | 45.0 | 3.09 | 0.792 | 0.355 |
| -0.9 | 75.0 | 2.03 | 0.662 | 0.1384 |
| -0.9 | 105.0 | 2.18 | 0.536 | 0.7781 |
| -0.9 | 135.0 | 3.2 | 0.9 | 0.7635 |
| -0.9 | 165.0 | 1.67 | 0.457 | 0.7421 |
| -0.9 | 195.0 | 2.7 | 0.693 | 0.335 |
| -0.9 | 225.0 | 1.14 | 0.416 | 0.311 |
| -0.9 | 255.0 | 1.96 | 0.493 | 0.2937 |
| -0.9 | 285.0 | 1.13 | 0.344 | 0.3924 |
| -0.9 | 315.0 | 4.56 | 1.11 | 0.9012 |
| -0.9 | 345.0 | 1.91 | 0.55 | 0.2194 |
| -0.7 | 15.0 | 2.43 | 0.593 | 0.2869 |
| -0.7 | 45.0 | 2.41 | 0.572 | 0.0384 |
| -0.7 | 75.0 | 2.56 | 0.577 | 0.6944 |
| -0.7 | 105.0 | 2.74 | 0.619 | 0.3899 |
| -0.7 | 135.0 | 2.42 | 0.54 | 0.6201 |
| -0.7 | 165.0 | 3.27 | 0.768 | 0.4964 |
| -0.7 | 195.0 | 3.3 | 0.736 | 0.5213 |
| -0.7 | 225.0 | 2.33 | 0.572 | 0.1909 |
| -0.7 | 255.0 | 3.07 | 0.694 | 0.2359 |
| -0.7 | 285.0 | 4.73 | 0.952 | 0.4704 |
| -0.7 | 315.0 | 2.53 | 0.591 | 0.4842 |
| -0.7 | 345.0 | 1.99 | 0.435 | 0.5985 |
| -0.5 | 15.0 | 2.93 | 0.641 | 0.2103 |
| -0.5 | 45.0 | 2.8 | 0.621 | 0.1548 |
| -0.5 | 75.0 | 4.03 | 0.858 | 0.5261 |
| -0.5 | 105.0 | 3.58 | 0.651 | 0.6159 |
| -0.5 | 135.0 | 2.58 | 0.521 | 0.621 |
| -0.5 | 165.0 | 3.73 | 0.778 | 0.5813 |
| -0.5 | 195.0 | 3.76 | 0.746 | 0.5417 |
| -0.5 | 225.0 | 3.69 | 0.775 | 0.4648 |
| -0.5 | 255.0 | 2.53 | 0.535 | 0.3146 |
| -0.5 | 285.0 | 4.32 | 0.778 | 0.7843 |
| -0.5 | 315.0 | 4.15 | 0.867 | 0.3052 |
| -0.5 | 345.0 | 1.59 | 0.415 | 0.521 |
| -0.3 | 15.0 | 3.67 | 0.866 | 0.828 |
| -0.3 | 45.0 | 4.37 | 0.827 | 0.4632 |
| -0.3 | 75.0 | 2.46 | 0.562 | 0.3651 |
| -0.3 | 105.0 | 6.02 | 1.07 | 0.9508 |
| -0.3 | 135.0 | 2.52 | 0.571 | 0.4523 |
| -0.3 | 165.0 | 4.41 | 0.749 | 0.4175 |
| -0.3 | 195.0 | 5.33 | 0.916 | 0.4912 |
| -0.3 | 225.0 | 2.74 | 0.524 | 0.231 |
| -0.3 | 255.0 | 6.25 | 1.18 | 1.1135 |
| -0.3 | 285.0 | 3.68 | 0.641 | 0.3727 |
| -0.3 | 315.0 | 3.71 | 0.784 | 0.2904 |
| -0.3 | 345.0 | 3.35 | 0.745 | 0.2311 |
| -0.1 | 15.0 | 2.65 | 0.546 | 0.1973 |
| -0.1 | 45.0 | 3.12 | 0.643 | 0.203 |
| -0.1 | 75.0 | 4.15 | 0.752 | 0.1922 |
| -0.1 | 105.0 | 5.43 | 0.932 | 1.0536 |
| -0.1 | 135.0 | 6.9 | 1.3 | 1.2525 |
| -0.1 | 165.0 | 3.67 | 0.654 | 0.4319 |
| -0.1 | 195.0 | 6.34 | 1.04 | 0.7386 |
| -0.1 | 225.0 | 5.27 | 0.909 | 0.3561 |
| -0.1 | 255.0 | 4.46 | 0.784 | 0.3325 |
| -0.1 | 285.0 | 3.78 | 0.738 | 0.182 |
| -0.1 | 315.0 | 3.82 | 0.731 | 0.5187 |
| -0.1 | 345.0 | 3.38 | 0.672 | 0.0943 |
| 0.1 | 15.0 | 2.37 | 0.493 | 0.1991 |
| 0.1 | 45.0 | 4.22 | 0.817 | 0.9316 |
| 0.1 | 75.0 | 3.31 | 0.616 | 0.3525 |
| 0.1 | 105.0 | 5.17 | 1.04 | 0.1997 |
| 0.1 | 135.0 | 4.76 | 0.865 | 0.5278 |
| 0.1 | 165.0 | 6.76 | 1.09 | 0.898 |
| 0.1 | 195.0 | 5.2 | 0.886 | 0.288 |
| 0.1 | 225.0 | 5.34 | 0.945 | 0.2057 |
| 0.1 | 255.0 | 5.5 | 0.988 | 0.3173 |
| 0.1 | 285.0 | 4.65 | 0.857 | 0.8131 |
| 0.1 | 315.0 | 2.9 | 0.534 | 0.1943 |
| 0.1 | 345.0 | 2.14 | 0.462 | 0.2335 |
| 0.3 | 15.0 | 3.05 | 0.691 | 0.3002 |
| 0.3 | 45.0 | 3.32 | 0.643 | 0.2109 |
| 0.3 | 75.0 | 3.69 | 0.646 | 0.5114 |
| 0.3 | 105.0 | 4.19 | 0.855 | 0.285 |
| 0.3 | 135.0 | 5.46 | 0.934 | 0.3582 |
| 0.3 | 165.0 | 8.04 | 1.27 | 1.4481 |
| 0.3 | 195.0 | 7.3 | 1.1 | 0.5683 |
| 0.3 | 225.0 | 5.22 | 0.934 | 0.6282 |
| 0.3 | 255.0 | 4.86 | 0.882 | 0.1549 |
| 0.3 | 285.0 | 3.42 | 0.63 | 0.2243 |
| 0.3 | 315.0 | 3.36 | 0.645 | 0.1759 |
| 0.3 | 345.0 | 3.13 | 0.641 | 0.511 |
| 0.5 | 15.0 | 2.93 | 0.637 | 0.4695 |
| 0.5 | 45.0 | 2.71 | 0.542 | 0.3022 |
| 0.5 | 75.0 | 3.45 | 0.671 | 0.1405 |
| 0.5 | 105.0 | 4.19 | 0.753 | 0.6286 |
| 0.5 | 135.0 | 6.75 | 1.05 | 0.2362 |
| 0.5 | 165.0 | 7.26 | 1.08 | 0.4228 |
| 0.5 | 195.0 | 6.23 | 1.0 | 0.3531 |
| 0.5 | 225.0 | 5.14 | 0.935 | 0.1739 |
| 0.5 | 255.0 | 4.43 | 0.817 | 0.5403 |
| 0.5 | 285.0 | 4.16 | 0.81 | 0.492 |
| 0.5 | 315.0 | 4.38 | 0.801 | 0.4471 |
| 0.5 | 345.0 | 2.98 | 0.636 | 0.1994 |
| 0.7 | 15.0 | 4.25 | 0.898 | 0.9204 |
| 0.7 | 45.0 | 2.58 | 0.518 | 0.2365 |
| 0.7 | 75.0 | 3.5 | 0.646 | 0.5059 |
| 0.7 | 105.0 | 7.7 | 1.36 | 1.7365 |
| 0.7 | 135.0 | 4.21 | 0.785 | 0.5758 |
| 0.7 | 165.0 | 8.19 | 1.33 | 0.9773 |
| 0.7 | 195.0 | 8.05 | 1.3 | 0.8106 |
| 0.7 | 225.0 | 5.9 | 1.0 | 0.5372 |
| 0.7 | 255.0 | 6.66 | 1.15 | 0.5688 |
| 0.7 | 285.0 | 3.75 | 0.661 | 0.8501 |
| 0.7 | 315.0 | 3.91 | 0.755 | 0.2931 |
| 0.7 | 345.0 | 3.25 | 0.666 | 0.0461 |
| 0.9 | 15.0 | 4.15 | 1.02 | 0.7239 |
| 0.9 | 45.0 | 2.89 | 0.782 | 0.7122 |
| 0.9 | 75.0 | 4.71 | 0.986 | 0.4132 |
| 0.9 | 105.0 | 4.61 | 1.0 | 0.9483 |
| 0.9 | 135.0 | 5.5 | 1.06 | 1.591 |
| 0.9 | 165.0 | 5.77 | 0.991 | 0.566 |
| 0.9 | 195.0 | 6.51 | 1.22 | 0.9107 |
| 0.9 | 225.0 | 3.7 | 0.653 | 0.983 |
| 0.9 | 255.0 | 5.65 | 1.06 | 0.3631 |
| 0.9 | 285.0 | 10.1 | 2.08 | 3.2192 |
| 0.9 | 315.0 | 2.74 | 0.593 | 0.533 |
| 0.9 | 345.0 | 3.19 | 0.747 | 0.345 |
Experiment comment: