Measurement E9M53
| 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: | 1.54 GeV | |
| ε: | 0.477 | |
| 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 | 0.892 | 0.516 |
| -0.9 | 45.0 | 0.0843 | 0.065 |
| -0.9 | 75.0 | 0.118 | 0.098 |
| -0.9 | 105.0 | 0.445 | 0.395 |
| -0.9 | 135.0 | 0.0506 | 0.0559 |
| -0.9 | 165.0 | 0.697 | 0.486 |
| -0.9 | 195.0 | 0.24 | 0.205 |
| -0.9 | 225.0 | 0.223 | 0.26 |
| -0.9 | 255.0 | 0.165 | 0.138 |
| -0.9 | 285.0 | 0.0542 | 0.0357 |
| -0.9 | 315.0 | 0.177 | 0.106 |
| -0.9 | 345.0 | 0.64 | 0.372 |
| -0.7 | 15.0 | 0.21 | 0.134 |
| -0.7 | 45.0 | 0.377 | 0.246 |
| -0.7 | 75.0 | 0.236 | 0.125 |
| -0.7 | 105.0 | 0.784 | 0.531 |
| -0.7 | 135.0 | 0.551 | 0.68 |
| -0.7 | 195.0 | 0.936 | 0.858 |
| -0.7 | 225.0 | 0.892 | 0.691 |
| -0.7 | 255.0 | 1.32 | 1.22 |
| -0.7 | 285.0 | 0.238 | 0.133 |
| -0.7 | 315.0 | 0.569 | 0.326 |
| -0.7 | 345.0 | 0.77 | 0.414 |
| -0.5 | 15.0 | 0.456 | 0.321 |
| -0.5 | 45.0 | 1.02 | 0.421 |
| -0.5 | 75.0 | 1.02 | 0.501 |
| -0.5 | 105.0 | 0.81 | 0.359 |
| -0.5 | 135.0 | 2.6 | 1.66 |
| -0.5 | 195.0 | 1.93 | 2.74 |
| -0.5 | 225.0 | 2.65 | 2.31 |
| -0.5 | 255.0 | 0.607 | 0.365 |
| -0.5 | 285.0 | 0.38 | 0.19 |
| -0.5 | 315.0 | 0.344 | 0.196 |
| -0.5 | 345.0 | 0.12 | 0.126 |
| -0.3 | 15.0 | 0.439 | 0.336 |
| -0.3 | 45.0 | 0.556 | 0.245 |
| -0.3 | 75.0 | 0.653 | 0.228 |
| -0.3 | 105.0 | 2.05 | 0.808 |
| -0.3 | 135.0 | 1.19 | 0.571 |
| -0.3 | 225.0 | 1.39 | 0.517 |
| -0.3 | 255.0 | 0.472 | 0.192 |
| -0.3 | 285.0 | 0.753 | 0.28 |
| -0.3 | 315.0 | 0.428 | 0.195 |
| -0.1 | 15.0 | 1.59 | 1.17 |
| -0.1 | 45.0 | 0.868 | 0.372 |
| -0.1 | 75.0 | 1.51 | 0.466 |
| -0.1 | 105.0 | 0.669 | 0.215 |
| -0.1 | 135.0 | 0.522 | 0.26 |
| -0.1 | 225.0 | 0.52 | 0.228 |
| -0.1 | 255.0 | 0.759 | 0.233 |
| -0.1 | 285.0 | 0.582 | 0.228 |
| -0.1 | 315.0 | 0.976 | 0.444 |
| -0.1 | 345.0 | 0.395 | 0.262 |
| 0.1 | 15.0 | 0.7 | 0.811 |
| 0.1 | 45.0 | 0.654 | 0.306 |
| 0.1 | 75.0 | 1.19 | 0.406 |
| 0.1 | 105.0 | 0.993 | 0.303 |
| 0.1 | 135.0 | 1.11 | 0.472 |
| 0.1 | 225.0 | 0.657 | 0.251 |
| 0.1 | 255.0 | 0.873 | 0.248 |
| 0.1 | 285.0 | 1.17 | 0.376 |
| 0.1 | 315.0 | 1.01 | 0.38 |
| 0.1 | 345.0 | 1.36 | 0.682 |
| 0.3 | 15.0 | 0.148 | 0.154 |
| 0.3 | 45.0 | 0.773 | 0.286 |
| 0.3 | 75.0 | 0.578 | 0.226 |
| 0.3 | 105.0 | 0.924 | 0.272 |
| 0.3 | 135.0 | 0.691 | 0.31 |
| 0.3 | 225.0 | 2.02 | 0.947 |
| 0.3 | 255.0 | 1.63 | 0.435 |
| 0.3 | 285.0 | 0.287 | 0.126 |
| 0.3 | 315.0 | 0.723 | 0.252 |
| 0.3 | 345.0 | 0.34 | 0.266 |
| 0.5 | 15.0 | 0.747 | 0.614 |
| 0.5 | 45.0 | 0.307 | 0.166 |
| 0.5 | 75.0 | 1.12 | 0.363 |
| 0.5 | 105.0 | 0.805 | 0.263 |
| 0.5 | 135.0 | 0.695 | 0.343 |
| 0.5 | 195.0 | 1.57 | 1.93 |
| 0.5 | 225.0 | 0.339 | 0.217 |
| 0.5 | 255.0 | 0.7 | 0.221 |
| 0.5 | 285.0 | 0.672 | 0.251 |
| 0.5 | 315.0 | 0.511 | 0.216 |
| 0.5 | 345.0 | 0.907 | 0.748 |
| 0.7 | 45.0 | 0.496 | 0.27 |
| 0.7 | 75.0 | 0.336 | 0.188 |
| 0.7 | 105.0 | 0.548 | 0.21 |
| 0.7 | 135.0 | 0.436 | 0.295 |
| 0.7 | 225.0 | 0.425 | 0.3 |
| 0.7 | 255.0 | 0.445 | 0.191 |
| 0.7 | 285.0 | 0.641 | 0.34 |
| 0.7 | 315.0 | 0.193 | 0.224 |
| 0.7 | 345.0 | 0.319 | 0.269 |
| 0.9 | 15.0 | 0.137 | 0.127 |
| 0.9 | 45.0 | 0.373 | 0.344 |
| 0.9 | 75.0 | 0.0546 | 0.0335 |
| 0.9 | 105.0 | 0.36 | 0.265 |
| 0.9 | 135.0 | 0.444 | 0.348 |
| 0.9 | 225.0 | 1.85 | 2.06 |
| 0.9 | 255.0 | 3.45 | 2.82 |
| 0.9 | 285.0 | 0.696 | 0.533 |
| 0.9 | 315.0 | 0.211 | 0.156 |
| 0.9 | 345.0 | 0.128 | 0.155 |
Experiment comment: