Measurement E9M127
| 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: | 1.48 GeV | |
| ε: | 0.487 | |
| 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 | 0.648 | 0.425 |
| -0.9 | 45.0 | 0.217 | 0.165 |
| -0.9 | 75.0 | 1.05 | 0.842 |
| -0.9 | 105.0 | 0.209 | 0.217 |
| -0.9 | 135.0 | 3.64 | 4.48 |
| -0.9 | 165.0 | 0.921 | 0.718 |
| -0.9 | 225.0 | 1.51 | 1.24 |
| -0.9 | 255.0 | 0.345 | 0.264 |
| -0.9 | 285.0 | 0.686 | 0.537 |
| -0.9 | 315.0 | 0.456 | 0.489 |
| -0.9 | 345.0 | 0.278 | 0.179 |
| -0.7 | 15.0 | 1.43 | 0.649 |
| -0.7 | 45.0 | 1.58 | 0.791 |
| -0.7 | 75.0 | 1.66 | 0.708 |
| -0.7 | 105.0 | 1.29 | 0.696 |
| -0.7 | 135.0 | 3.16 | 1.71 |
| -0.7 | 225.0 | 0.481 | 0.498 |
| -0.7 | 255.0 | 1.02 | 0.626 |
| -0.7 | 285.0 | 2.16 | 1.16 |
| -0.7 | 345.0 | 0.568 | 0.252 |
| -0.5 | 15.0 | 1.18 | 0.486 |
| -0.5 | 45.0 | 0.443 | 0.265 |
| -0.5 | 75.0 | 3.11 | 1.02 |
| -0.5 | 105.0 | 1.5 | 0.52 |
| -0.5 | 135.0 | 1.46 | 0.707 |
| -0.5 | 225.0 | 1.63 | 0.632 |
| -0.5 | 255.0 | 3.79 | 1.16 |
| -0.5 | 285.0 | 2.95 | 1.14 |
| -0.5 | 315.0 | 3.25 | 1.1 |
| -0.5 | 345.0 | 1.58 | 0.592 |
| -0.3 | 15.0 | 1.89 | 0.797 |
| -0.3 | 45.0 | 2.46 | 0.733 |
| -0.3 | 75.0 | 2.0 | 0.63 |
| -0.3 | 105.0 | 4.27 | 1.06 |
| -0.3 | 135.0 | 1.43 | 0.631 |
| -0.3 | 225.0 | 2.11 | 0.873 |
| -0.3 | 255.0 | 2.48 | 0.692 |
| -0.3 | 285.0 | 3.66 | 1.11 |
| -0.3 | 315.0 | 2.28 | 0.789 |
| -0.3 | 345.0 | 1.41 | 0.627 |
| -0.1 | 15.0 | 2.99 | 1.27 |
| -0.1 | 45.0 | 2.73 | 1.07 |
| -0.1 | 75.0 | 3.51 | 1.03 |
| -0.1 | 105.0 | 0.947 | 0.351 |
| -0.1 | 135.0 | 3.06 | 1.08 |
| -0.1 | 165.0 | 5.2 | 6.38 |
| -0.1 | 225.0 | 3.34 | 1.32 |
| -0.1 | 255.0 | 6.0 | 1.39 |
| -0.1 | 285.0 | 4.44 | 1.2 |
| -0.1 | 315.0 | 1.86 | 0.669 |
| -0.1 | 345.0 | 1.02 | 0.634 |
| 0.1 | 15.0 | 2.25 | 0.838 |
| 0.1 | 45.0 | 1.5 | 0.568 |
| 0.1 | 75.0 | 3.46 | 0.888 |
| 0.1 | 105.0 | 2.48 | 0.759 |
| 0.1 | 135.0 | 5.97 | 2.24 |
| 0.1 | 165.0 | 3.9 | 3.2 |
| 0.1 | 195.0 | 9.32 | 7.16 |
| 0.1 | 225.0 | 3.01 | 1.2 |
| 0.1 | 255.0 | 2.92 | 0.73 |
| 0.1 | 285.0 | 2.63 | 0.772 |
| 0.1 | 315.0 | 1.2 | 0.488 |
| 0.1 | 345.0 | 1.73 | 0.856 |
| 0.3 | 15.0 | 2.4 | 1.03 |
| 0.3 | 45.0 | 1.88 | 0.606 |
| 0.3 | 75.0 | 2.36 | 0.655 |
| 0.3 | 105.0 | 3.8 | 0.967 |
| 0.3 | 135.0 | 5.36 | 2.18 |
| 0.3 | 165.0 | 1.68 | 1.82 |
| 0.3 | 195.0 | 5.1 | 3.31 |
| 0.3 | 225.0 | 5.7 | 1.9 |
| 0.3 | 255.0 | 3.28 | 0.793 |
| 0.3 | 285.0 | 2.11 | 0.693 |
| 0.3 | 315.0 | 2.08 | 0.739 |
| 0.3 | 345.0 | 3.03 | 1.63 |
| 0.5 | 15.0 | 2.8 | 0.908 |
| 0.5 | 45.0 | 2.7 | 0.88 |
| 0.5 | 75.0 | 1.64 | 0.483 |
| 0.5 | 105.0 | 1.35 | 0.49 |
| 0.5 | 135.0 | 1.92 | 1.04 |
| 0.5 | 165.0 | 2.55 | 1.46 |
| 0.5 | 195.0 | 1.9 | 0.833 |
| 0.5 | 225.0 | 0.486 | 0.498 |
| 0.5 | 255.0 | 2.69 | 0.842 |
| 0.5 | 285.0 | 3.67 | 0.983 |
| 0.5 | 315.0 | 4.07 | 1.25 |
| 0.5 | 345.0 | 0.62 | 0.331 |
| 0.7 | 15.0 | 1.53 | 0.658 |
| 0.7 | 45.0 | 1.21 | 0.48 |
| 0.7 | 75.0 | 1.56 | 0.568 |
| 0.7 | 105.0 | 1.17 | 0.527 |
| 0.7 | 135.0 | 1.09 | 0.581 |
| 0.7 | 165.0 | 1.19 | 1.31 |
| 0.7 | 195.0 | 4.18 | 2.48 |
| 0.7 | 225.0 | 1.03 | 0.636 |
| 0.7 | 255.0 | 1.05 | 0.347 |
| 0.7 | 285.0 | 2.24 | 0.708 |
| 0.7 | 315.0 | 2.19 | 0.747 |
| 0.7 | 345.0 | 1.27 | 0.546 |
| 0.9 | 15.0 | 0.808 | 0.381 |
| 0.9 | 45.0 | 1.04 | 0.458 |
| 0.9 | 75.0 | 0.92 | 0.514 |
| 0.9 | 105.0 | 1.02 | 0.535 |
| 0.9 | 135.0 | 0.43 | 0.449 |
| 0.9 | 255.0 | 1.1 | 0.453 |
| 0.9 | 285.0 | 1.36 | 0.71 |
| 0.9 | 315.0 | 0.631 | 0.395 |
| 0.9 | 345.0 | 2.3 | 1.09 |
Experiment comment: