Measurement E9M237
| 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: | 0.8 — 1.0 GeV2 | |
| W: | 1.36 GeV | |
| ε: | 0.778 | |
| 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 | 0.441 | 0.143 |
| -0.9 | 45.0 | 1.53 | 0.554 |
| -0.9 | 75.0 | 0.403 | 0.15 |
| -0.9 | 105.0 | 0.645 | 0.245 |
| -0.9 | 135.0 | 1.28 | 0.416 |
| -0.9 | 165.0 | 0.954 | 0.287 |
| -0.9 | 195.0 | 0.339 | 0.127 |
| -0.9 | 225.0 | 0.751 | 0.202 |
| -0.9 | 255.0 | 0.74 | 0.228 |
| -0.9 | 285.0 | 1.16 | 0.374 |
| -0.9 | 315.0 | 1.07 | 0.375 |
| -0.9 | 345.0 | 0.587 | 0.244 |
| -0.7 | 15.0 | 0.926 | 0.215 |
| -0.7 | 45.0 | 1.54 | 0.304 |
| -0.7 | 75.0 | 1.19 | 0.313 |
| -0.7 | 105.0 | 2.29 | 0.613 |
| -0.7 | 135.0 | 1.38 | 0.375 |
| -0.7 | 165.0 | 2.14 | 0.517 |
| -0.7 | 195.0 | 1.16 | 0.316 |
| -0.7 | 225.0 | 1.59 | 0.406 |
| -0.7 | 255.0 | 1.45 | 0.426 |
| -0.7 | 285.0 | 1.11 | 0.288 |
| -0.7 | 315.0 | 1.8 | 0.375 |
| -0.7 | 345.0 | 1.05 | 0.276 |
| -0.5 | 15.0 | 1.01 | 0.203 |
| -0.5 | 45.0 | 2.65 | 0.438 |
| -0.5 | 75.0 | 2.24 | 0.518 |
| -0.5 | 105.0 | 3.84 | 0.925 |
| -0.5 | 135.0 | 3.24 | 0.92 |
| -0.5 | 165.0 | 1.46 | 0.381 |
| -0.5 | 195.0 | 1.11 | 0.321 |
| -0.5 | 225.0 | 1.07 | 0.416 |
| -0.5 | 255.0 | 2.48 | 0.679 |
| -0.5 | 285.0 | 2.3 | 0.496 |
| -0.5 | 315.0 | 1.7 | 0.332 |
| -0.5 | 345.0 | 1.32 | 0.273 |
| -0.3 | 15.0 | 1.17 | 0.231 |
| -0.3 | 45.0 | 1.96 | 0.337 |
| -0.3 | 75.0 | 3.32 | 0.758 |
| -0.3 | 105.0 | 2.3 | 0.632 |
| -0.3 | 135.0 | 1.42 | 0.7 |
| -0.3 | 165.0 | 1.55 | 0.508 |
| -0.3 | 195.0 | 2.0 | 0.569 |
| -0.3 | 225.0 | 2.71 | 1.1 |
| -0.3 | 255.0 | 1.62 | 0.614 |
| -0.3 | 285.0 | 2.6 | 0.538 |
| -0.3 | 315.0 | 1.4 | 0.253 |
| -0.3 | 345.0 | 1.79 | 0.327 |
| -0.1 | 15.0 | 1.34 | 0.229 |
| -0.1 | 45.0 | 1.87 | 0.301 |
| -0.1 | 75.0 | 2.25 | 0.512 |
| -0.1 | 105.0 | 3.73 | 0.822 |
| -0.1 | 135.0 | 0.556 | 0.336 |
| -0.1 | 165.0 | 1.72 | 0.533 |
| -0.1 | 195.0 | 1.52 | 0.571 |
| -0.1 | 225.0 | 3.53 | 1.24 |
| -0.1 | 255.0 | 3.51 | 0.89 |
| -0.1 | 285.0 | 2.92 | 0.627 |
| -0.1 | 315.0 | 1.81 | 0.314 |
| -0.1 | 345.0 | 1.54 | 0.279 |
| 0.1 | 15.0 | 2.02 | 0.334 |
| 0.1 | 45.0 | 2.17 | 0.381 |
| 0.1 | 75.0 | 2.81 | 0.6 |
| 0.1 | 105.0 | 1.84 | 0.436 |
| 0.1 | 135.0 | 2.06 | 0.631 |
| 0.1 | 165.0 | 6.73 | 3.96 |
| 0.1 | 195.0 | 1.85 | 1.0 |
| 0.1 | 225.0 | 5.21 | 1.58 |
| 0.1 | 255.0 | 2.79 | 0.66 |
| 0.1 | 285.0 | 2.39 | 0.565 |
| 0.1 | 315.0 | 1.37 | 0.248 |
| 0.1 | 345.0 | 1.1 | 0.224 |
| 0.3 | 15.0 | 1.39 | 0.253 |
| 0.3 | 45.0 | 1.33 | 0.235 |
| 0.3 | 75.0 | 2.5 | 0.591 |
| 0.3 | 105.0 | 3.62 | 0.855 |
| 0.3 | 135.0 | 3.41 | 0.908 |
| 0.3 | 165.0 | 0.884 | 0.569 |
| 0.3 | 195.0 | 4.21 | 2.36 |
| 0.3 | 225.0 | 2.19 | 0.516 |
| 0.3 | 255.0 | 2.89 | 0.608 |
| 0.3 | 285.0 | 2.59 | 0.644 |
| 0.3 | 315.0 | 2.74 | 0.477 |
| 0.3 | 345.0 | 1.59 | 0.296 |
| 0.5 | 15.0 | 0.938 | 0.175 |
| 0.5 | 45.0 | 2.28 | 0.429 |
| 0.5 | 75.0 | 2.19 | 0.618 |
| 0.5 | 105.0 | 1.82 | 0.407 |
| 0.5 | 135.0 | 2.14 | 0.624 |
| 0.5 | 165.0 | 1.58 | 0.747 |
| 0.5 | 195.0 | 5.85 | 4.48 |
| 0.5 | 225.0 | 2.85 | 0.68 |
| 0.5 | 255.0 | 1.72 | 0.433 |
| 0.5 | 285.0 | 1.92 | 0.528 |
| 0.5 | 315.0 | 0.983 | 0.203 |
| 0.5 | 345.0 | 1.26 | 0.251 |
| 0.7 | 15.0 | 0.628 | 0.158 |
| 0.7 | 45.0 | 0.93 | 0.222 |
| 0.7 | 75.0 | 1.72 | 0.509 |
| 0.7 | 105.0 | 1.18 | 0.391 |
| 0.7 | 135.0 | 3.21 | 1.09 |
| 0.7 | 165.0 | 2.38 | 1.44 |
| 0.7 | 195.0 | 0.537 | 0.233 |
| 0.7 | 225.0 | 3.89 | 1.53 |
| 0.7 | 255.0 | 1.32 | 0.391 |
| 0.7 | 285.0 | 3.05 | 0.845 |
| 0.7 | 315.0 | 0.796 | 0.189 |
| 0.7 | 345.0 | 1.01 | 0.222 |
| 0.9 | 15.0 | 0.805 | 0.249 |
| 0.9 | 45.0 | 1.84 | 0.571 |
| 0.9 | 75.0 | 0.564 | 0.21 |
| 0.9 | 105.0 | 0.873 | 0.346 |
| 0.9 | 135.0 | 0.767 | 0.323 |
| 0.9 | 165.0 | 1.81 | 0.648 |
| 0.9 | 195.0 | 0.993 | 0.467 |
| 0.9 | 225.0 | 0.527 | 0.225 |
| 0.9 | 255.0 | 0.915 | 0.362 |
| 0.9 | 285.0 | 0.652 | 0.223 |
| 0.9 | 315.0 | 1.4 | 0.444 |
| 0.9 | 345.0 | 0.727 | 0.234 |
Experiment comment: