Measurement E9M33
| 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: | 1.3 — 1.6 GeV2 | |
| W: | 1.14 GeV | |
| ε: | 0.723 | |
| 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 | 0.562 | 0.471 |
| -0.9 | 45.0 | 0.236 | 0.201 |
| -0.9 | 75.0 | 12.4 | 10.1 |
| -0.9 | 105.0 | 0.561 | 0.391 |
| -0.9 | 135.0 | 0.907 | 0.519 |
| -0.9 | 165.0 | 1.35 | 1.01 |
| -0.9 | 195.0 | 0.613 | 0.418 |
| -0.9 | 225.0 | 0.551 | 0.298 |
| -0.9 | 255.0 | 0.458 | 0.306 |
| -0.9 | 285.0 | 1.1 | 0.589 |
| -0.9 | 315.0 | 0.486 | 0.416 |
| -0.9 | 345.0 | 0.153 | 0.123 |
| -0.7 | 15.0 | 0.414 | 0.213 |
| -0.7 | 45.0 | 0.278 | 0.188 |
| -0.7 | 75.0 | 0.935 | 0.529 |
| -0.7 | 105.0 | 0.585 | 0.469 |
| -0.7 | 135.0 | 3.34 | 1.67 |
| -0.7 | 165.0 | 0.488 | 0.249 |
| -0.7 | 195.0 | 0.507 | 0.288 |
| -0.7 | 225.0 | 1.22 | 0.671 |
| -0.7 | 255.0 | 0.137 | 0.147 |
| -0.7 | 285.0 | 0.104 | 0.067 |
| -0.7 | 315.0 | 0.33 | 0.206 |
| -0.7 | 345.0 | 1.52 | 1.01 |
| -0.5 | 15.0 | 0.535 | 0.29 |
| -0.5 | 45.0 | 0.264 | 0.294 |
| -0.5 | 75.0 | 1.22 | 0.575 |
| -0.5 | 105.0 | 1.2 | 0.593 |
| -0.5 | 135.0 | 1.09 | 0.573 |
| -0.5 | 165.0 | 1.57 | 0.659 |
| -0.5 | 195.0 | 1.42 | 0.619 |
| -0.5 | 225.0 | 1.35 | 0.525 |
| -0.5 | 255.0 | 0.932 | 0.493 |
| -0.5 | 285.0 | 0.432 | 0.266 |
| -0.5 | 315.0 | 0.322 | 0.219 |
| -0.5 | 345.0 | 1.9 | 1.01 |
| -0.3 | 15.0 | 0.175 | 0.11 |
| -0.3 | 45.0 | 0.422 | 0.282 |
| -0.3 | 75.0 | 0.429 | 0.215 |
| -0.3 | 105.0 | 1.2 | 0.589 |
| -0.3 | 135.0 | 1.24 | 0.496 |
| -0.3 | 165.0 | 1.32 | 0.487 |
| -0.3 | 195.0 | 0.743 | 0.317 |
| -0.3 | 225.0 | 0.963 | 0.454 |
| -0.3 | 255.0 | 0.886 | 0.426 |
| -0.3 | 285.0 | 0.749 | 0.432 |
| -0.3 | 315.0 | 2.34 | 1.23 |
| -0.3 | 345.0 | 0.581 | 0.379 |
| -0.1 | 15.0 | 0.63 | 0.316 |
| -0.1 | 45.0 | 0.295 | 0.166 |
| -0.1 | 75.0 | 3.0 | 1.36 |
| -0.1 | 105.0 | 1.77 | 0.758 |
| -0.1 | 135.0 | 1.32 | 0.514 |
| -0.1 | 165.0 | 3.31 | 1.19 |
| -0.1 | 195.0 | 1.4 | 0.463 |
| -0.1 | 225.0 | 1.22 | 0.528 |
| -0.1 | 255.0 | 1.87 | 0.809 |
| -0.1 | 285.0 | 1.28 | 0.539 |
| -0.1 | 315.0 | 0.389 | 0.217 |
| -0.1 | 345.0 | 0.407 | 0.201 |
| 0.1 | 15.0 | 2.81 | 1.55 |
| 0.1 | 45.0 | 2.46 | 1.18 |
| 0.1 | 75.0 | 1.85 | 0.734 |
| 0.1 | 105.0 | 0.69 | 0.303 |
| 0.1 | 135.0 | 0.648 | 0.321 |
| 0.1 | 165.0 | 0.94 | 0.333 |
| 0.1 | 195.0 | 2.03 | 0.782 |
| 0.1 | 225.0 | 1.74 | 0.613 |
| 0.1 | 255.0 | 0.57 | 0.285 |
| 0.1 | 285.0 | 1.11 | 0.461 |
| 0.1 | 315.0 | 0.494 | 0.377 |
| 0.1 | 345.0 | 0.294 | 0.224 |
| 0.3 | 15.0 | 0.263 | 0.148 |
| 0.3 | 45.0 | 0.865 | 0.423 |
| 0.3 | 75.0 | 0.734 | 0.349 |
| 0.3 | 105.0 | 1.83 | 0.837 |
| 0.3 | 135.0 | 1.02 | 0.414 |
| 0.3 | 165.0 | 1.56 | 0.569 |
| 0.3 | 195.0 | 1.19 | 0.446 |
| 0.3 | 225.0 | 1.97 | 0.641 |
| 0.3 | 255.0 | 0.78 | 0.33 |
| 0.3 | 285.0 | 2.59 | 1.41 |
| 0.3 | 315.0 | 0.776 | 0.36 |
| 0.3 | 345.0 | 0.272 | 0.132 |
| 0.5 | 15.0 | 0.833 | 0.401 |
| 0.5 | 45.0 | 2.11 | 0.971 |
| 0.5 | 75.0 | 0.653 | 0.356 |
| 0.5 | 105.0 | 0.38 | 0.232 |
| 0.5 | 135.0 | 1.97 | 0.65 |
| 0.5 | 165.0 | 3.38 | 1.13 |
| 0.5 | 195.0 | 3.0 | 1.08 |
| 0.5 | 225.0 | 2.99 | 1.03 |
| 0.5 | 255.0 | 1.96 | 0.773 |
| 0.5 | 285.0 | 1.45 | 0.697 |
| 0.5 | 315.0 | 0.455 | 0.283 |
| 0.5 | 345.0 | 1.28 | 0.563 |
| 0.7 | 15.0 | 0.795 | 0.372 |
| 0.7 | 45.0 | 1.26 | 0.546 |
| 0.7 | 75.0 | 0.648 | 0.359 |
| 0.7 | 105.0 | 1.66 | 0.739 |
| 0.7 | 135.0 | 1.4 | 0.579 |
| 0.7 | 165.0 | 1.59 | 0.55 |
| 0.7 | 195.0 | 1.33 | 0.585 |
| 0.7 | 225.0 | 1.06 | 0.441 |
| 0.7 | 255.0 | 2.5 | 0.932 |
| 0.7 | 285.0 | 1.19 | 0.47 |
| 0.7 | 315.0 | 0.645 | 0.304 |
| 0.7 | 345.0 | 0.712 | 0.402 |
| 0.9 | 15.0 | 1.62 | 0.919 |
| 0.9 | 45.0 | 1.83 | 0.887 |
| 0.9 | 75.0 | 2.47 | 1.11 |
| 0.9 | 105.0 | 2.42 | 1.14 |
| 0.9 | 135.0 | 1.31 | 0.574 |
| 0.9 | 165.0 | 1.34 | 0.554 |
| 0.9 | 195.0 | 2.47 | 1.13 |
| 0.9 | 225.0 | 3.1 | 1.25 |
| 0.9 | 255.0 | 1.38 | 0.566 |
| 0.9 | 285.0 | 0.61 | 0.308 |
| 0.9 | 315.0 | 5.11 | 2.48 |
| 0.9 | 345.0 | 0.813 | 0.5 |
Experiment comment: