Measurement E9M266
| 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: | 1.0 — 1.3 GeV2 | |
| W: | 1.34 GeV | |
| ε: | 0.718 | |
| 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 | 0.506 | 0.215 |
| -0.9 | 45.0 | 0.708 | 0.234 |
| -0.9 | 75.0 | 1.14 | 0.298 |
| -0.9 | 105.0 | 0.746 | 0.228 |
| -0.9 | 135.0 | 1.25 | 0.419 |
| -0.9 | 165.0 | 0.384 | 0.125 |
| -0.9 | 195.0 | 0.523 | 0.16 |
| -0.9 | 225.0 | 1.53 | 0.55 |
| -0.9 | 255.0 | 0.97 | 0.272 |
| -0.9 | 285.0 | 1.4 | 0.429 |
| -0.9 | 315.0 | 0.926 | 0.296 |
| -0.9 | 345.0 | 0.372 | 0.142 |
| -0.7 | 15.0 | 0.855 | 0.205 |
| -0.7 | 45.0 | 1.25 | 0.283 |
| -0.7 | 75.0 | 1.09 | 0.273 |
| -0.7 | 105.0 | 0.778 | 0.258 |
| -0.7 | 135.0 | 1.48 | 0.403 |
| -0.7 | 165.0 | 0.866 | 0.233 |
| -0.7 | 195.0 | 0.91 | 0.255 |
| -0.7 | 225.0 | 3.53 | 0.988 |
| -0.7 | 255.0 | 2.04 | 0.557 |
| -0.7 | 285.0 | 1.34 | 0.292 |
| -0.7 | 315.0 | 1.46 | 0.328 |
| -0.7 | 345.0 | 1.25 | 0.293 |
| -0.5 | 15.0 | 1.05 | 0.253 |
| -0.5 | 45.0 | 0.993 | 0.202 |
| -0.5 | 75.0 | 2.03 | 0.42 |
| -0.5 | 105.0 | 2.39 | 0.616 |
| -0.5 | 135.0 | 2.27 | 0.574 |
| -0.5 | 165.0 | 1.14 | 0.282 |
| -0.5 | 195.0 | 0.896 | 0.26 |
| -0.5 | 225.0 | 1.8 | 0.516 |
| -0.5 | 255.0 | 4.05 | 0.947 |
| -0.5 | 285.0 | 1.79 | 0.392 |
| -0.5 | 315.0 | 1.84 | 0.395 |
| -0.5 | 345.0 | 0.989 | 0.232 |
| -0.3 | 15.0 | 1.58 | 0.338 |
| -0.3 | 45.0 | 2.29 | 0.407 |
| -0.3 | 75.0 | 2.28 | 0.492 |
| -0.3 | 105.0 | 3.2 | 0.785 |
| -0.3 | 135.0 | 1.76 | 0.616 |
| -0.3 | 165.0 | 2.06 | 0.47 |
| -0.3 | 195.0 | 1.06 | 0.288 |
| -0.3 | 225.0 | 3.11 | 0.872 |
| -0.3 | 255.0 | 1.81 | 0.538 |
| -0.3 | 285.0 | 2.93 | 0.61 |
| -0.3 | 315.0 | 2.26 | 0.399 |
| -0.3 | 345.0 | 1.25 | 0.272 |
| -0.1 | 15.0 | 1.67 | 0.321 |
| -0.1 | 45.0 | 2.53 | 0.429 |
| -0.1 | 75.0 | 1.43 | 0.318 |
| -0.1 | 105.0 | 2.76 | 0.645 |
| -0.1 | 135.0 | 2.45 | 0.878 |
| -0.1 | 165.0 | 1.36 | 0.411 |
| -0.1 | 195.0 | 1.28 | 0.435 |
| -0.1 | 225.0 | 2.74 | 0.836 |
| -0.1 | 255.0 | 3.39 | 0.77 |
| -0.1 | 285.0 | 4.25 | 0.838 |
| -0.1 | 315.0 | 2.22 | 0.388 |
| -0.1 | 345.0 | 1.58 | 0.289 |
| 0.1 | 15.0 | 1.06 | 0.255 |
| 0.1 | 45.0 | 1.59 | 0.281 |
| 0.1 | 75.0 | 2.94 | 0.642 |
| 0.1 | 105.0 | 5.34 | 1.29 |
| 0.1 | 135.0 | 3.89 | 1.17 |
| 0.1 | 165.0 | 1.56 | 0.5 |
| 0.1 | 195.0 | 4.5 | 1.76 |
| 0.1 | 225.0 | 2.36 | 0.736 |
| 0.1 | 255.0 | 2.85 | 0.64 |
| 0.1 | 285.0 | 3.15 | 0.665 |
| 0.1 | 315.0 | 2.17 | 0.379 |
| 0.1 | 345.0 | 2.16 | 0.399 |
| 0.3 | 15.0 | 1.15 | 0.241 |
| 0.3 | 45.0 | 1.76 | 0.334 |
| 0.3 | 75.0 | 1.6 | 0.391 |
| 0.3 | 105.0 | 2.15 | 0.506 |
| 0.3 | 135.0 | 3.73 | 1.15 |
| 0.3 | 165.0 | 1.66 | 0.652 |
| 0.3 | 195.0 | 1.81 | 0.726 |
| 0.3 | 225.0 | 3.62 | 1.15 |
| 0.3 | 255.0 | 2.57 | 0.575 |
| 0.3 | 285.0 | 3.24 | 0.705 |
| 0.3 | 315.0 | 2.51 | 0.476 |
| 0.3 | 345.0 | 1.16 | 0.241 |
| 0.5 | 15.0 | 0.749 | 0.189 |
| 0.5 | 45.0 | 1.04 | 0.221 |
| 0.5 | 75.0 | 2.96 | 0.637 |
| 0.5 | 105.0 | 2.46 | 0.631 |
| 0.5 | 135.0 | 2.78 | 0.81 |
| 0.5 | 165.0 | 1.25 | 0.586 |
| 0.5 | 195.0 | 1.81 | 0.647 |
| 0.5 | 225.0 | 2.94 | 0.933 |
| 0.5 | 255.0 | 2.37 | 0.609 |
| 0.5 | 285.0 | 2.0 | 0.468 |
| 0.5 | 315.0 | 2.32 | 0.483 |
| 0.5 | 345.0 | 1.15 | 0.257 |
| 0.7 | 15.0 | 0.971 | 0.236 |
| 0.7 | 45.0 | 0.685 | 0.169 |
| 0.7 | 75.0 | 1.2 | 0.324 |
| 0.7 | 105.0 | 1.35 | 0.471 |
| 0.7 | 135.0 | 0.636 | 0.254 |
| 0.7 | 165.0 | 3.53 | 1.23 |
| 0.7 | 195.0 | 0.607 | 0.307 |
| 0.7 | 225.0 | 1.61 | 0.748 |
| 0.7 | 255.0 | 0.984 | 0.335 |
| 0.7 | 285.0 | 1.31 | 0.367 |
| 0.7 | 315.0 | 1.23 | 0.272 |
| 0.7 | 345.0 | 0.703 | 0.173 |
| 0.9 | 15.0 | 0.451 | 0.168 |
| 0.9 | 45.0 | 1.18 | 0.346 |
| 0.9 | 75.0 | 2.25 | 0.888 |
| 0.9 | 105.0 | 0.638 | 0.215 |
| 0.9 | 135.0 | 1.15 | 0.426 |
| 0.9 | 165.0 | 3.33 | 1.32 |
| 0.9 | 195.0 | 2.55 | 1.01 |
| 0.9 | 225.0 | 1.89 | 0.939 |
| 0.9 | 255.0 | 1.06 | 0.418 |
| 0.9 | 285.0 | 1.25 | 0.423 |
| 0.9 | 315.0 | 1.06 | 0.342 |
| 0.9 | 345.0 | 0.911 | 0.261 |
Experiment comment: