Measurement E9M49
| 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: | 1.46 GeV | |
| ε: | 0.543 | |
| 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 | 0.043 | 0.0322 |
| -0.9 | 45.0 | 0.0346 | 0.0367 |
| -0.9 | 75.0 | 0.268 | 0.161 |
| -0.9 | 105.0 | 0.365 | 0.252 |
| -0.9 | 135.0 | 0.239 | 0.132 |
| -0.9 | 165.0 | 2.4 | 1.19 |
| -0.9 | 195.0 | 0.434 | 0.222 |
| -0.9 | 225.0 | 0.201 | 0.129 |
| -0.9 | 255.0 | 0.222 | 0.246 |
| -0.9 | 285.0 | 0.631 | 0.451 |
| -0.9 | 315.0 | 0.237 | 0.127 |
| -0.9 | 345.0 | 0.0868 | 0.0688 |
| -0.7 | 15.0 | 0.323 | 0.162 |
| -0.7 | 45.0 | 0.366 | 0.174 |
| -0.7 | 75.0 | 0.329 | 0.168 |
| -0.7 | 105.0 | 1.21 | 0.563 |
| -0.7 | 135.0 | 1.4 | 0.793 |
| -0.7 | 165.0 | 1.94 | 0.921 |
| -0.7 | 195.0 | 0.632 | 0.304 |
| -0.7 | 225.0 | 0.85 | 0.698 |
| -0.7 | 255.0 | 0.371 | 0.188 |
| -0.7 | 285.0 | 0.784 | 0.338 |
| -0.7 | 315.0 | 0.821 | 0.329 |
| -0.7 | 345.0 | 0.369 | 0.205 |
| -0.5 | 15.0 | 1.29 | 0.765 |
| -0.5 | 45.0 | 0.185 | 0.112 |
| -0.5 | 75.0 | 0.48 | 0.203 |
| -0.5 | 105.0 | 1.23 | 0.512 |
| -0.5 | 135.0 | 0.89 | 1.03 |
| -0.5 | 165.0 | 0.951 | 0.562 |
| -0.5 | 195.0 | 0.377 | 0.283 |
| -0.5 | 225.0 | 3.01 | 1.59 |
| -0.5 | 255.0 | 1.06 | 0.416 |
| -0.5 | 285.0 | 1.24 | 0.421 |
| -0.5 | 315.0 | 0.737 | 0.301 |
| -0.5 | 345.0 | 0.427 | 0.236 |
| -0.3 | 15.0 | 0.506 | 0.214 |
| -0.3 | 45.0 | 0.739 | 0.263 |
| -0.3 | 75.0 | 0.659 | 0.233 |
| -0.3 | 105.0 | 0.825 | 0.281 |
| -0.3 | 135.0 | 1.76 | 0.824 |
| -0.3 | 165.0 | 2.34 | 2.04 |
| -0.3 | 225.0 | 0.905 | 0.467 |
| -0.3 | 255.0 | 1.16 | 0.371 |
| -0.3 | 285.0 | 1.0 | 0.316 |
| -0.3 | 315.0 | 2.15 | 0.606 |
| -0.3 | 345.0 | 0.631 | 0.259 |
| -0.1 | 15.0 | 0.69 | 0.276 |
| -0.1 | 45.0 | 0.83 | 0.27 |
| -0.1 | 75.0 | 1.3 | 0.429 |
| -0.1 | 105.0 | 1.3 | 0.354 |
| -0.1 | 135.0 | 1.94 | 0.671 |
| -0.1 | 225.0 | 1.28 | 0.447 |
| -0.1 | 255.0 | 2.83 | 0.704 |
| -0.1 | 285.0 | 1.53 | 0.436 |
| -0.1 | 315.0 | 1.65 | 0.503 |
| -0.1 | 345.0 | 1.25 | 0.482 |
| 0.1 | 15.0 | 0.76 | 0.477 |
| 0.1 | 45.0 | 0.658 | 0.264 |
| 0.1 | 75.0 | 1.56 | 0.496 |
| 0.1 | 105.0 | 1.27 | 0.351 |
| 0.1 | 135.0 | 2.57 | 0.699 |
| 0.1 | 195.0 | 1.53 | 1.87 |
| 0.1 | 225.0 | 1.11 | 0.402 |
| 0.1 | 255.0 | 1.15 | 0.355 |
| 0.1 | 285.0 | 1.13 | 0.351 |
| 0.1 | 315.0 | 1.01 | 0.301 |
| 0.1 | 345.0 | 0.588 | 0.249 |
| 0.3 | 15.0 | 1.48 | 0.486 |
| 0.3 | 45.0 | 1.17 | 0.362 |
| 0.3 | 75.0 | 1.43 | 0.505 |
| 0.3 | 105.0 | 1.13 | 0.337 |
| 0.3 | 135.0 | 0.93 | 0.304 |
| 0.3 | 225.0 | 0.92 | 0.269 |
| 0.3 | 255.0 | 0.713 | 0.235 |
| 0.3 | 285.0 | 1.49 | 0.453 |
| 0.3 | 315.0 | 1.04 | 0.332 |
| 0.3 | 345.0 | 0.668 | 0.23 |
| 0.5 | 15.0 | 0.533 | 0.227 |
| 0.5 | 45.0 | 0.785 | 0.34 |
| 0.5 | 75.0 | 0.801 | 0.32 |
| 0.5 | 105.0 | 0.322 | 0.144 |
| 0.5 | 135.0 | 1.84 | 0.575 |
| 0.5 | 195.0 | 5.72 | 7.03 |
| 0.5 | 225.0 | 1.43 | 0.471 |
| 0.5 | 255.0 | 1.46 | 0.482 |
| 0.5 | 285.0 | 0.759 | 0.27 |
| 0.5 | 315.0 | 0.61 | 0.306 |
| 0.5 | 345.0 | 1.05 | 0.487 |
| 0.7 | 15.0 | 0.758 | 0.334 |
| 0.7 | 45.0 | 0.377 | 0.246 |
| 0.7 | 75.0 | 0.535 | 0.258 |
| 0.7 | 105.0 | 0.485 | 0.214 |
| 0.7 | 135.0 | 0.908 | 0.319 |
| 0.7 | 165.0 | 0.677 | 0.76 |
| 0.7 | 225.0 | 0.136 | 0.0846 |
| 0.7 | 255.0 | 0.913 | 0.344 |
| 0.7 | 285.0 | 0.6 | 0.218 |
| 0.7 | 315.0 | 0.662 | 0.323 |
| 0.7 | 345.0 | 1.25 | 0.525 |
| 0.9 | 15.0 | 0.3 | 0.19 |
| 0.9 | 45.0 | 7.34 | 7.91 |
| 0.9 | 75.0 | 0.619 | 0.316 |
| 0.9 | 105.0 | 3.78 | 2.53 |
| 0.9 | 135.0 | 0.0912 | 0.0988 |
| 0.9 | 165.0 | 0.775 | 0.787 |
| 0.9 | 195.0 | 8.28 | 9.84 |
| 0.9 | 225.0 | 0.201 | 0.234 |
| 0.9 | 255.0 | 0.749 | 0.543 |
| 0.9 | 285.0 | 1.43 | 1.05 |
| 0.9 | 315.0 | 0.306 | 0.211 |
| 0.9 | 345.0 | 0.904 | 0.622 |
Experiment comment: