Measurement E9M93
| 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: | 0.45 — 0.6 GeV2 | |
| W: | 1.38 GeV | |
| ε: | 0.669 | |
| 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 |
|---|---|---|---|
| -0.9 | 15.0 | 0.293 | 0.143 |
| -0.9 | 45.0 | 0.493 | 0.193 |
| -0.9 | 75.0 | 0.234 | 0.141 |
| -0.9 | 105.0 | 0.786 | 0.386 |
| -0.9 | 135.0 | 1.26 | 0.727 |
| -0.9 | 165.0 | 0.644 | 0.255 |
| -0.9 | 195.0 | 0.835 | 0.28 |
| -0.9 | 225.0 | 2.26 | 0.775 |
| -0.9 | 255.0 | 1.18 | 0.546 |
| -0.9 | 285.0 | 1.87 | 0.672 |
| -0.9 | 315.0 | 0.372 | 0.197 |
| -0.9 | 345.0 | 0.345 | 0.153 |
| -0.7 | 15.0 | 1.01 | 0.272 |
| -0.7 | 45.0 | 3.5 | 0.837 |
| -0.7 | 75.0 | 2.77 | 0.766 |
| -0.7 | 105.0 | 2.34 | 0.771 |
| -0.7 | 135.0 | 1.39 | 1.06 |
| -0.7 | 165.0 | 1.32 | 0.668 |
| -0.7 | 195.0 | 1.25 | 0.429 |
| -0.7 | 225.0 | 0.891 | 0.428 |
| -0.7 | 255.0 | 2.44 | 0.782 |
| -0.7 | 285.0 | 2.89 | 0.799 |
| -0.7 | 315.0 | 1.89 | 0.465 |
| -0.7 | 345.0 | 0.819 | 0.221 |
| -0.5 | 15.0 | 1.38 | 0.289 |
| -0.5 | 45.0 | 1.86 | 0.5 |
| -0.5 | 75.0 | 2.52 | 0.645 |
| -0.5 | 105.0 | 5.36 | 1.35 |
| -0.5 | 135.0 | 5.34 | 1.46 |
| -0.5 | 165.0 | 0.752 | 0.785 |
| -0.5 | 195.0 | 2.07 | 1.66 |
| -0.5 | 225.0 | 2.04 | 0.788 |
| -0.5 | 255.0 | 5.9 | 1.49 |
| -0.5 | 285.0 | 2.46 | 0.575 |
| -0.5 | 315.0 | 2.43 | 0.539 |
| -0.5 | 345.0 | 0.969 | 0.226 |
| -0.3 | 15.0 | 1.96 | 0.409 |
| -0.3 | 45.0 | 2.91 | 0.624 |
| -0.3 | 75.0 | 3.23 | 0.636 |
| -0.3 | 105.0 | 2.96 | 0.626 |
| -0.3 | 135.0 | 2.18 | 0.519 |
| -0.3 | 165.0 | 3.08 | 2.09 |
| -0.3 | 195.0 | 4.69 | 4.3 |
| -0.3 | 225.0 | 5.71 | 1.28 |
| -0.3 | 255.0 | 3.73 | 0.721 |
| -0.3 | 285.0 | 4.04 | 0.823 |
| -0.3 | 315.0 | 2.18 | 0.458 |
| -0.3 | 345.0 | 2.16 | 0.394 |
| -0.1 | 15.0 | 2.08 | 0.409 |
| -0.1 | 45.0 | 2.25 | 0.399 |
| -0.1 | 75.0 | 3.14 | 0.653 |
| -0.1 | 105.0 | 4.43 | 0.694 |
| -0.1 | 135.0 | 2.76 | 0.529 |
| -0.1 | 165.0 | 3.57 | 2.15 |
| -0.1 | 195.0 | 2.19 | 1.41 |
| -0.1 | 225.0 | 2.9 | 0.551 |
| -0.1 | 255.0 | 5.01 | 0.862 |
| -0.1 | 285.0 | 5.41 | 1.05 |
| -0.1 | 315.0 | 3.04 | 0.534 |
| -0.1 | 345.0 | 2.15 | 0.374 |
| 0.1 | 15.0 | 2.43 | 0.428 |
| 0.1 | 45.0 | 2.48 | 0.515 |
| 0.1 | 75.0 | 3.02 | 0.549 |
| 0.1 | 105.0 | 3.99 | 0.603 |
| 0.1 | 135.0 | 4.3 | 0.83 |
| 0.1 | 165.0 | 0.762 | 0.805 |
| 0.1 | 195.0 | 0.838 | 0.63 |
| 0.1 | 225.0 | 3.02 | 0.587 |
| 0.1 | 255.0 | 3.95 | 0.621 |
| 0.1 | 285.0 | 4.1 | 0.721 |
| 0.1 | 315.0 | 2.3 | 0.442 |
| 0.1 | 345.0 | 2.32 | 0.375 |
| 0.3 | 15.0 | 2.03 | 0.315 |
| 0.3 | 45.0 | 3.81 | 0.666 |
| 0.3 | 75.0 | 2.7 | 0.556 |
| 0.3 | 105.0 | 3.65 | 0.646 |
| 0.3 | 135.0 | 3.46 | 0.715 |
| 0.3 | 165.0 | 1.95 | 2.18 |
| 0.3 | 195.0 | 12.6 | 15.4 |
| 0.3 | 225.0 | 1.91 | 0.452 |
| 0.3 | 255.0 | 3.87 | 0.643 |
| 0.3 | 285.0 | 3.66 | 0.692 |
| 0.3 | 315.0 | 3.09 | 0.546 |
| 0.3 | 345.0 | 3.3 | 0.56 |
| 0.5 | 15.0 | 2.78 | 0.474 |
| 0.5 | 45.0 | 1.75 | 0.37 |
| 0.5 | 75.0 | 2.73 | 0.543 |
| 0.5 | 105.0 | 2.57 | 0.455 |
| 0.5 | 135.0 | 4.02 | 1.05 |
| 0.5 | 225.0 | 2.87 | 0.692 |
| 0.5 | 255.0 | 4.56 | 0.841 |
| 0.5 | 285.0 | 3.21 | 0.581 |
| 0.5 | 315.0 | 3.64 | 0.751 |
| 0.5 | 345.0 | 1.54 | 0.329 |
| 0.7 | 15.0 | 2.62 | 0.535 |
| 0.7 | 45.0 | 1.66 | 0.394 |
| 0.7 | 75.0 | 2.11 | 0.505 |
| 0.7 | 105.0 | 1.74 | 0.359 |
| 0.7 | 135.0 | 2.1 | 0.595 |
| 0.7 | 195.0 | 0.323 | 0.338 |
| 0.7 | 225.0 | 2.42 | 0.713 |
| 0.7 | 255.0 | 3.29 | 0.707 |
| 0.7 | 285.0 | 2.13 | 0.456 |
| 0.7 | 315.0 | 1.36 | 0.317 |
| 0.7 | 345.0 | 2.16 | 0.406 |
| 0.9 | 15.0 | 1.01 | 0.278 |
| 0.9 | 45.0 | 1.2 | 0.369 |
| 0.9 | 75.0 | 0.975 | 0.387 |
| 0.9 | 105.0 | 1.36 | 0.517 |
| 0.9 | 135.0 | 3.11 | 1.51 |
| 0.9 | 165.0 | 1.12 | 0.756 |
| 0.9 | 195.0 | 0.737 | 0.853 |
| 0.9 | 225.0 | 1.83 | 0.728 |
| 0.9 | 255.0 | 1.34 | 0.409 |
| 0.9 | 285.0 | 1.54 | 0.488 |
| 0.9 | 315.0 | 1.87 | 0.489 |
| 0.9 | 345.0 | 2.22 | 0.556 |
Experiment comment: