Measurement E9M180
| 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: | 1.42 GeV | |
| ε: | 0.818 | |
| 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 | 0.159 | 0.0885 |
| -0.9 | 45.0 | 0.0694 | 0.0716 |
| -0.9 | 75.0 | 0.177 | 0.108 |
| -0.9 | 105.0 | 2.3 | 0.975 |
| -0.9 | 135.0 | 0.426 | 0.204 |
| -0.9 | 165.0 | 0.708 | 0.268 |
| -0.9 | 195.0 | 0.911 | 0.291 |
| -0.9 | 225.0 | 0.664 | 0.253 |
| -0.9 | 255.0 | 0.309 | 0.151 |
| -0.9 | 285.0 | 0.404 | 0.179 |
| -0.9 | 315.0 | 0.583 | 0.298 |
| -0.9 | 345.0 | 0.0446 | 0.0466 |
| -0.7 | 15.0 | 1.01 | 0.333 |
| -0.7 | 45.0 | 0.558 | 0.192 |
| -0.7 | 75.0 | 1.45 | 0.542 |
| -0.7 | 105.0 | 2.94 | 1.17 |
| -0.7 | 135.0 | 2.96 | 1.51 |
| -0.7 | 165.0 | 2.42 | 0.784 |
| -0.7 | 195.0 | 0.851 | 0.315 |
| -0.7 | 225.0 | 1.81 | 0.779 |
| -0.7 | 255.0 | 0.643 | 0.479 |
| -0.7 | 285.0 | 1.53 | 0.502 |
| -0.7 | 315.0 | 0.782 | 0.283 |
| -0.7 | 345.0 | 0.64 | 0.241 |
| -0.5 | 15.0 | 0.781 | 0.198 |
| -0.5 | 45.0 | 1.35 | 0.327 |
| -0.5 | 75.0 | 1.01 | 0.745 |
| -0.5 | 105.0 | 3.29 | 1.58 |
| -0.5 | 165.0 | 1.36 | 0.539 |
| -0.5 | 195.0 | 1.85 | 0.981 |
| -0.5 | 225.0 | 3.79 | 3.29 |
| -0.5 | 255.0 | 8.41 | 4.55 |
| -0.5 | 285.0 | 1.47 | 0.531 |
| -0.5 | 315.0 | 1.48 | 0.358 |
| -0.5 | 345.0 | 1.06 | 0.27 |
| -0.3 | 15.0 | 1.39 | 0.311 |
| -0.3 | 45.0 | 2.0 | 0.516 |
| -0.3 | 75.0 | 3.69 | 1.32 |
| -0.3 | 105.0 | 2.02 | 0.51 |
| -0.3 | 135.0 | 2.21 | 0.727 |
| -0.3 | 165.0 | 1.48 | 1.19 |
| -0.3 | 195.0 | 2.9 | 1.62 |
| -0.3 | 225.0 | 4.04 | 1.39 |
| -0.3 | 255.0 | 2.12 | 0.599 |
| -0.3 | 285.0 | 3.21 | 1.34 |
| -0.3 | 315.0 | 2.21 | 0.527 |
| -0.3 | 345.0 | 0.979 | 0.23 |
| -0.1 | 15.0 | 0.927 | 0.224 |
| -0.1 | 45.0 | 2.12 | 0.453 |
| -0.1 | 75.0 | 3.72 | 1.17 |
| -0.1 | 105.0 | 2.18 | 0.48 |
| -0.1 | 135.0 | 2.81 | 0.565 |
| -0.1 | 165.0 | 1.49 | 1.18 |
| -0.1 | 195.0 | 0.478 | 0.505 |
| -0.1 | 225.0 | 2.91 | 0.664 |
| -0.1 | 255.0 | 3.99 | 0.817 |
| -0.1 | 285.0 | 2.45 | 1.02 |
| -0.1 | 315.0 | 2.87 | 0.623 |
| -0.1 | 345.0 | 1.46 | 0.338 |
| 0.1 | 15.0 | 1.33 | 0.364 |
| 0.1 | 45.0 | 1.95 | 0.497 |
| 0.1 | 75.0 | 2.42 | 0.672 |
| 0.1 | 105.0 | 3.92 | 0.732 |
| 0.1 | 135.0 | 3.17 | 0.612 |
| 0.1 | 165.0 | 2.23 | 1.09 |
| 0.1 | 195.0 | 3.54 | 1.46 |
| 0.1 | 225.0 | 2.71 | 0.504 |
| 0.1 | 255.0 | 2.81 | 0.503 |
| 0.1 | 285.0 | 1.7 | 0.463 |
| 0.1 | 315.0 | 1.43 | 0.373 |
| 0.1 | 345.0 | 1.09 | 0.302 |
| 0.3 | 15.0 | 0.864 | 0.235 |
| 0.3 | 45.0 | 2.32 | 0.634 |
| 0.3 | 75.0 | 2.8 | 0.709 |
| 0.3 | 105.0 | 2.14 | 0.427 |
| 0.3 | 135.0 | 1.6 | 0.359 |
| 0.3 | 165.0 | 2.33 | 1.17 |
| 0.3 | 195.0 | 2.21 | 1.33 |
| 0.3 | 225.0 | 2.73 | 0.576 |
| 0.3 | 255.0 | 2.63 | 0.508 |
| 0.3 | 285.0 | 2.15 | 0.554 |
| 0.3 | 315.0 | 1.69 | 0.428 |
| 0.3 | 345.0 | 2.13 | 0.516 |
| 0.5 | 15.0 | 1.42 | 0.381 |
| 0.5 | 45.0 | 1.27 | 0.414 |
| 0.5 | 75.0 | 2.3 | 0.695 |
| 0.5 | 105.0 | 2.16 | 0.493 |
| 0.5 | 135.0 | 2.62 | 0.715 |
| 0.5 | 195.0 | 2.61 | 1.25 |
| 0.5 | 225.0 | 2.23 | 0.54 |
| 0.5 | 255.0 | 1.66 | 0.401 |
| 0.5 | 285.0 | 1.36 | 0.443 |
| 0.5 | 315.0 | 1.32 | 0.392 |
| 0.5 | 345.0 | 1.96 | 0.456 |
| 0.7 | 15.0 | 0.979 | 0.387 |
| 0.7 | 45.0 | 2.72 | 0.835 |
| 0.7 | 75.0 | 0.426 | 0.189 |
| 0.7 | 105.0 | 1.09 | 0.317 |
| 0.7 | 135.0 | 0.992 | 0.341 |
| 0.7 | 165.0 | 1.32 | 1.2 |
| 0.7 | 195.0 | 2.33 | 1.71 |
| 0.7 | 225.0 | 0.703 | 0.264 |
| 0.7 | 255.0 | 1.2 | 0.32 |
| 0.7 | 285.0 | 1.69 | 0.585 |
| 0.7 | 315.0 | 1.21 | 0.351 |
| 0.7 | 345.0 | 1.24 | 0.363 |
| 0.9 | 15.0 | 1.46 | 0.528 |
| 0.9 | 45.0 | 0.654 | 0.34 |
| 0.9 | 75.0 | 0.996 | 0.509 |
| 0.9 | 105.0 | 0.688 | 0.297 |
| 0.9 | 135.0 | 0.213 | 0.132 |
| 0.9 | 165.0 | 0.207 | 0.22 |
| 0.9 | 195.0 | 0.856 | 0.577 |
| 0.9 | 225.0 | 1.06 | 0.449 |
| 0.9 | 255.0 | 0.277 | 0.152 |
| 0.9 | 285.0 | 0.731 | 0.362 |
| 0.9 | 315.0 | 0.89 | 0.349 |
| 0.9 | 345.0 | 0.548 | 0.22 |
Experiment comment: