Measurement E9M80
| 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: | 1.12 GeV | |
| ε: | 0.826 | |
| 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 | 1.29 | 0.618 |
| -0.9 | 45.0 | 1.4 | 0.62 |
| -0.9 | 75.0 | 3.43 | 1.41 |
| -0.9 | 105.0 | 2.39 | 1.11 |
| -0.9 | 135.0 | 1.27 | 0.509 |
| -0.9 | 165.0 | 1.88 | 0.777 |
| -0.9 | 195.0 | 1.44 | 0.585 |
| -0.9 | 225.0 | 1.71 | 0.848 |
| -0.9 | 255.0 | 1.04 | 0.477 |
| -0.9 | 285.0 | 0.274 | 0.203 |
| -0.9 | 315.0 | 0.621 | 0.307 |
| -0.9 | 345.0 | 0.795 | 0.518 |
| -0.7 | 15.0 | 0.811 | 0.36 |
| -0.7 | 45.0 | 1.58 | 0.49 |
| -0.7 | 75.0 | 1.23 | 0.464 |
| -0.7 | 105.0 | 2.95 | 0.982 |
| -0.7 | 135.0 | 2.57 | 0.884 |
| -0.7 | 165.0 | 3.29 | 0.977 |
| -0.7 | 195.0 | 1.62 | 0.59 |
| -0.7 | 225.0 | 1.71 | 0.569 |
| -0.7 | 255.0 | 1.97 | 0.751 |
| -0.7 | 285.0 | 2.23 | 0.833 |
| -0.7 | 315.0 | 0.895 | 0.363 |
| -0.7 | 345.0 | 0.649 | 0.262 |
| -0.5 | 15.0 | 1.36 | 0.502 |
| -0.5 | 45.0 | 3.61 | 1.33 |
| -0.5 | 75.0 | 1.43 | 0.49 |
| -0.5 | 105.0 | 1.73 | 0.605 |
| -0.5 | 135.0 | 2.12 | 0.686 |
| -0.5 | 165.0 | 3.42 | 0.98 |
| -0.5 | 195.0 | 2.37 | 0.744 |
| -0.5 | 225.0 | 3.93 | 1.07 |
| -0.5 | 255.0 | 1.42 | 0.49 |
| -0.5 | 285.0 | 1.23 | 0.474 |
| -0.5 | 315.0 | 2.69 | 1.04 |
| -0.5 | 345.0 | 0.773 | 0.42 |
| -0.3 | 15.0 | 2.54 | 1.01 |
| -0.3 | 45.0 | 1.69 | 0.633 |
| -0.3 | 75.0 | 2.64 | 0.736 |
| -0.3 | 105.0 | 1.59 | 0.524 |
| -0.3 | 135.0 | 3.46 | 0.911 |
| -0.3 | 165.0 | 3.1 | 0.865 |
| -0.3 | 195.0 | 2.58 | 0.717 |
| -0.3 | 225.0 | 1.67 | 0.489 |
| -0.3 | 255.0 | 3.09 | 0.927 |
| -0.3 | 285.0 | 2.93 | 0.861 |
| -0.3 | 315.0 | 1.57 | 0.609 |
| -0.3 | 345.0 | 1.56 | 0.539 |
| -0.1 | 15.0 | 0.764 | 0.345 |
| -0.1 | 45.0 | 2.17 | 0.793 |
| -0.1 | 75.0 | 2.98 | 0.916 |
| -0.1 | 105.0 | 4.69 | 1.28 |
| -0.1 | 135.0 | 1.35 | 0.506 |
| -0.1 | 165.0 | 3.16 | 0.744 |
| -0.1 | 195.0 | 2.52 | 0.712 |
| -0.1 | 225.0 | 2.83 | 0.691 |
| -0.1 | 255.0 | 2.03 | 0.647 |
| -0.1 | 285.0 | 1.54 | 0.633 |
| -0.1 | 315.0 | 0.71 | 0.311 |
| -0.1 | 345.0 | 0.924 | 0.418 |
| 0.1 | 15.0 | 1.95 | 0.645 |
| 0.1 | 45.0 | 1.61 | 0.548 |
| 0.1 | 75.0 | 1.73 | 0.602 |
| 0.1 | 105.0 | 2.83 | 0.75 |
| 0.1 | 135.0 | 2.44 | 0.791 |
| 0.1 | 165.0 | 4.72 | 1.14 |
| 0.1 | 195.0 | 4.0 | 0.897 |
| 0.1 | 225.0 | 3.52 | 1.09 |
| 0.1 | 255.0 | 3.03 | 0.885 |
| 0.1 | 285.0 | 5.66 | 1.69 |
| 0.1 | 315.0 | 2.09 | 0.697 |
| 0.1 | 345.0 | 1.29 | 0.43 |
| 0.3 | 15.0 | 1.59 | 0.557 |
| 0.3 | 45.0 | 1.35 | 0.46 |
| 0.3 | 75.0 | 1.72 | 0.507 |
| 0.3 | 105.0 | 3.65 | 0.942 |
| 0.3 | 135.0 | 2.77 | 0.777 |
| 0.3 | 165.0 | 4.72 | 1.05 |
| 0.3 | 195.0 | 3.37 | 0.857 |
| 0.3 | 225.0 | 5.25 | 1.21 |
| 0.3 | 255.0 | 2.12 | 0.634 |
| 0.3 | 285.0 | 1.62 | 0.481 |
| 0.3 | 315.0 | 2.54 | 0.75 |
| 0.3 | 345.0 | 4.19 | 1.56 |
| 0.5 | 15.0 | 1.54 | 0.506 |
| 0.5 | 45.0 | 3.73 | 1.16 |
| 0.5 | 75.0 | 1.69 | 0.56 |
| 0.5 | 105.0 | 4.74 | 1.1 |
| 0.5 | 135.0 | 4.43 | 1.06 |
| 0.5 | 165.0 | 3.76 | 0.826 |
| 0.5 | 195.0 | 3.03 | 0.799 |
| 0.5 | 225.0 | 5.95 | 1.3 |
| 0.5 | 255.0 | 3.84 | 1.02 |
| 0.5 | 285.0 | 3.5 | 1.0 |
| 0.5 | 315.0 | 3.61 | 1.21 |
| 0.5 | 345.0 | 1.11 | 0.458 |
| 0.7 | 15.0 | 1.29 | 0.395 |
| 0.7 | 45.0 | 1.79 | 0.582 |
| 0.7 | 75.0 | 3.1 | 0.726 |
| 0.7 | 105.0 | 3.53 | 0.901 |
| 0.7 | 135.0 | 4.43 | 1.03 |
| 0.7 | 165.0 | 4.37 | 1.06 |
| 0.7 | 195.0 | 6.73 | 1.53 |
| 0.7 | 225.0 | 2.89 | 0.749 |
| 0.7 | 255.0 | 2.17 | 0.612 |
| 0.7 | 285.0 | 2.72 | 0.768 |
| 0.7 | 315.0 | 2.55 | 0.844 |
| 0.7 | 345.0 | 3.36 | 1.12 |
| 0.9 | 15.0 | 3.11 | 1.28 |
| 0.9 | 45.0 | 1.91 | 0.609 |
| 0.9 | 75.0 | 2.81 | 0.781 |
| 0.9 | 105.0 | 6.24 | 1.7 |
| 0.9 | 135.0 | 3.86 | 1.08 |
| 0.9 | 165.0 | 4.43 | 1.3 |
| 0.9 | 195.0 | 3.58 | 1.04 |
| 0.9 | 225.0 | 4.43 | 1.19 |
| 0.9 | 255.0 | 4.02 | 1.31 |
| 0.9 | 285.0 | 3.18 | 1.05 |
| 0.9 | 315.0 | 2.14 | 0.715 |
| 0.9 | 345.0 | 3.55 | 1.32 |
Experiment comment: