Measurement E9M248
| 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: | 1.58 GeV | |
| ε: | 0.647 | |
| 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 | 0.633 | 0.194 |
| -0.9 | 45.0 | 1.63 | 0.503 |
| -0.9 | 75.0 | 0.655 | 0.284 |
| -0.9 | 105.0 | 1.05 | 0.414 |
| -0.9 | 135.0 | 0.397 | 0.249 |
| -0.9 | 165.0 | 0.563 | 0.224 |
| -0.9 | 195.0 | 0.44 | 0.191 |
| -0.9 | 225.0 | 0.503 | 0.323 |
| -0.9 | 255.0 | 0.584 | 0.274 |
| -0.9 | 285.0 | 0.229 | 0.121 |
| -0.9 | 315.0 | 0.629 | 0.191 |
| -0.9 | 345.0 | 0.716 | 0.243 |
| -0.7 | 15.0 | 0.515 | 0.136 |
| -0.7 | 45.0 | 0.89 | 0.273 |
| -0.7 | 75.0 | 0.784 | 0.327 |
| -0.7 | 105.0 | 0.866 | 0.453 |
| -0.7 | 135.0 | 1.4 | 1.98 |
| -0.7 | 165.0 | 1.3 | 0.76 |
| -0.7 | 195.0 | 0.916 | 1.12 |
| -0.7 | 255.0 | 0.24 | 0.15 |
| -0.7 | 285.0 | 0.521 | 0.201 |
| -0.7 | 315.0 | 0.429 | 0.178 |
| -0.7 | 345.0 | 0.47 | 0.128 |
| -0.5 | 15.0 | 0.441 | 0.128 |
| -0.5 | 45.0 | 0.426 | 0.137 |
| -0.5 | 75.0 | 0.676 | 0.22 |
| -0.5 | 105.0 | 0.699 | 0.275 |
| -0.5 | 135.0 | 0.641 | 0.25 |
| -0.5 | 195.0 | 1.05 | 0.916 |
| -0.5 | 225.0 | 0.544 | 0.189 |
| -0.5 | 255.0 | 0.517 | 0.176 |
| -0.5 | 285.0 | 0.756 | 0.273 |
| -0.5 | 315.0 | 0.584 | 0.199 |
| -0.5 | 345.0 | 0.737 | 0.199 |
| -0.3 | 15.0 | 0.755 | 0.238 |
| -0.3 | 45.0 | 0.905 | 0.269 |
| -0.3 | 75.0 | 1.24 | 0.334 |
| -0.3 | 105.0 | 0.87 | 0.196 |
| -0.3 | 135.0 | 0.591 | 0.169 |
| -0.3 | 165.0 | 0.654 | 0.757 |
| -0.3 | 195.0 | 4.05 | 4.96 |
| -0.3 | 225.0 | 1.48 | 0.377 |
| -0.3 | 255.0 | 1.43 | 0.293 |
| -0.3 | 285.0 | 0.529 | 0.234 |
| -0.3 | 315.0 | 1.63 | 0.495 |
| -0.3 | 345.0 | 0.505 | 0.172 |
| -0.1 | 15.0 | 1.73 | 0.759 |
| -0.1 | 45.0 | 1.1 | 0.32 |
| -0.1 | 75.0 | 1.26 | 0.308 |
| -0.1 | 105.0 | 1.43 | 0.277 |
| -0.1 | 135.0 | 1.69 | 0.447 |
| -0.1 | 225.0 | 1.76 | 0.5 |
| -0.1 | 255.0 | 1.44 | 0.262 |
| -0.1 | 285.0 | 1.54 | 0.339 |
| -0.1 | 315.0 | 0.667 | 0.214 |
| -0.1 | 345.0 | 0.363 | 0.223 |
| 0.1 | 15.0 | 0.705 | 0.247 |
| 0.1 | 45.0 | 0.512 | 0.222 |
| 0.1 | 75.0 | 1.45 | 0.298 |
| 0.1 | 105.0 | 1.1 | 0.221 |
| 0.1 | 135.0 | 1.39 | 0.477 |
| 0.1 | 225.0 | 0.864 | 0.282 |
| 0.1 | 255.0 | 1.27 | 0.236 |
| 0.1 | 285.0 | 1.55 | 0.313 |
| 0.1 | 315.0 | 1.22 | 0.382 |
| 0.1 | 345.0 | 0.402 | 0.172 |
| 0.3 | 15.0 | 0.454 | 0.209 |
| 0.3 | 45.0 | 1.01 | 0.345 |
| 0.3 | 75.0 | 1.61 | 0.302 |
| 0.3 | 105.0 | 0.995 | 0.211 |
| 0.3 | 135.0 | 1.37 | 0.482 |
| 0.3 | 165.0 | 3.02 | 1.96 |
| 0.3 | 195.0 | 1.5 | 0.842 |
| 0.3 | 225.0 | 0.847 | 0.394 |
| 0.3 | 255.0 | 1.37 | 0.256 |
| 0.3 | 285.0 | 1.01 | 0.223 |
| 0.3 | 315.0 | 1.11 | 0.389 |
| 0.3 | 345.0 | 0.578 | 0.22 |
| 0.5 | 15.0 | 0.966 | 0.314 |
| 0.5 | 45.0 | 0.453 | 0.166 |
| 0.5 | 75.0 | 1.19 | 0.25 |
| 0.5 | 105.0 | 1.12 | 0.269 |
| 0.5 | 135.0 | 0.487 | 0.306 |
| 0.5 | 165.0 | 0.823 | 0.396 |
| 0.5 | 195.0 | 3.14 | 1.98 |
| 0.5 | 225.0 | 1.02 | 0.421 |
| 0.5 | 255.0 | 1.03 | 0.239 |
| 0.5 | 285.0 | 1.93 | 0.386 |
| 0.5 | 315.0 | 0.795 | 0.269 |
| 0.5 | 345.0 | 0.524 | 0.188 |
| 0.7 | 15.0 | 0.8 | 0.281 |
| 0.7 | 45.0 | 0.42 | 0.176 |
| 0.7 | 75.0 | 0.849 | 0.216 |
| 0.7 | 105.0 | 0.259 | 0.104 |
| 0.7 | 135.0 | 1.08 | 0.54 |
| 0.7 | 165.0 | 0.74 | 0.427 |
| 0.7 | 195.0 | 1.08 | 0.566 |
| 0.7 | 225.0 | 1.46 | 0.653 |
| 0.7 | 255.0 | 0.807 | 0.197 |
| 0.7 | 285.0 | 0.505 | 0.151 |
| 0.7 | 315.0 | 1.37 | 0.518 |
| 0.7 | 345.0 | 0.613 | 0.241 |
| 0.9 | 15.0 | 0.362 | 0.171 |
| 0.9 | 45.0 | 0.648 | 0.3 |
| 0.9 | 75.0 | 0.425 | 0.162 |
| 0.9 | 105.0 | 0.29 | 0.108 |
| 0.9 | 135.0 | 0.383 | 0.261 |
| 0.9 | 195.0 | 0.579 | 0.71 |
| 0.9 | 225.0 | 0.704 | 0.352 |
| 0.9 | 255.0 | 0.422 | 0.169 |
| 0.9 | 285.0 | 1.35 | 0.437 |
| 0.9 | 315.0 | 1.07 | 0.464 |
| 0.9 | 345.0 | 1.81 | 0.87 |
Experiment comment: