Measurement E9M238
| 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: | 1.38 GeV | |
| ε: | 0.769 | |
| 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 | 0.538 | 0.224 |
| -0.9 | 45.0 | 0.639 | 0.252 |
| -0.9 | 75.0 | 0.565 | 0.219 |
| -0.9 | 105.0 | 0.552 | 0.207 |
| -0.9 | 135.0 | 2.13 | 0.693 |
| -0.9 | 165.0 | 1.03 | 0.307 |
| -0.9 | 195.0 | 0.835 | 0.294 |
| -0.9 | 225.0 | 1.12 | 0.342 |
| -0.9 | 255.0 | 0.939 | 0.348 |
| -0.9 | 285.0 | 0.237 | 0.0979 |
| -0.9 | 315.0 | 0.221 | 0.0991 |
| -0.9 | 345.0 | 0.521 | 0.191 |
| -0.7 | 15.0 | 0.855 | 0.225 |
| -0.7 | 45.0 | 1.08 | 0.297 |
| -0.7 | 75.0 | 1.18 | 0.31 |
| -0.7 | 105.0 | 0.918 | 0.332 |
| -0.7 | 135.0 | 2.01 | 0.58 |
| -0.7 | 165.0 | 0.635 | 0.178 |
| -0.7 | 195.0 | 1.1 | 0.269 |
| -0.7 | 225.0 | 0.952 | 0.303 |
| -0.7 | 255.0 | 1.98 | 0.527 |
| -0.7 | 285.0 | 1.03 | 0.282 |
| -0.7 | 315.0 | 1.71 | 0.352 |
| -0.7 | 345.0 | 0.461 | 0.136 |
| -0.5 | 15.0 | 1.03 | 0.202 |
| -0.5 | 45.0 | 1.93 | 0.36 |
| -0.5 | 75.0 | 2.23 | 0.51 |
| -0.5 | 105.0 | 1.28 | 0.44 |
| -0.5 | 135.0 | 1.17 | 0.502 |
| -0.5 | 165.0 | 1.82 | 0.55 |
| -0.5 | 195.0 | 1.76 | 0.464 |
| -0.5 | 225.0 | 1.44 | 0.58 |
| -0.5 | 255.0 | 3.16 | 0.958 |
| -0.5 | 285.0 | 1.64 | 0.41 |
| -0.5 | 315.0 | 1.19 | 0.252 |
| -0.5 | 345.0 | 0.802 | 0.188 |
| -0.3 | 15.0 | 1.67 | 0.308 |
| -0.3 | 45.0 | 1.84 | 0.327 |
| -0.3 | 75.0 | 2.32 | 0.644 |
| -0.3 | 105.0 | 3.29 | 0.968 |
| -0.3 | 135.0 | 2.24 | 0.842 |
| -0.3 | 165.0 | 1.69 | 0.552 |
| -0.3 | 195.0 | 1.94 | 0.678 |
| -0.3 | 225.0 | 2.35 | 0.932 |
| -0.3 | 255.0 | 2.16 | 0.586 |
| -0.3 | 285.0 | 2.35 | 0.557 |
| -0.3 | 315.0 | 2.3 | 0.388 |
| -0.3 | 345.0 | 0.809 | 0.185 |
| -0.1 | 15.0 | 1.4 | 0.259 |
| -0.1 | 45.0 | 2.38 | 0.397 |
| -0.1 | 75.0 | 1.85 | 0.512 |
| -0.1 | 105.0 | 1.47 | 0.396 |
| -0.1 | 135.0 | 3.24 | 0.913 |
| -0.1 | 165.0 | 1.81 | 1.03 |
| -0.1 | 195.0 | 2.65 | 1.14 |
| -0.1 | 225.0 | 2.04 | 0.788 |
| -0.1 | 255.0 | 2.75 | 0.665 |
| -0.1 | 285.0 | 1.78 | 0.482 |
| -0.1 | 315.0 | 2.01 | 0.395 |
| -0.1 | 345.0 | 1.05 | 0.194 |
| 0.1 | 15.0 | 1.24 | 0.225 |
| 0.1 | 45.0 | 1.55 | 0.279 |
| 0.1 | 75.0 | 3.75 | 0.843 |
| 0.1 | 105.0 | 3.02 | 0.639 |
| 0.1 | 135.0 | 3.57 | 0.884 |
| 0.1 | 165.0 | 3.56 | 2.39 |
| 0.1 | 225.0 | 3.06 | 0.702 |
| 0.1 | 255.0 | 3.4 | 0.692 |
| 0.1 | 285.0 | 2.62 | 0.607 |
| 0.1 | 315.0 | 1.52 | 0.29 |
| 0.1 | 345.0 | 1.08 | 0.205 |
| 0.3 | 15.0 | 1.65 | 0.309 |
| 0.3 | 45.0 | 1.59 | 0.327 |
| 0.3 | 75.0 | 1.67 | 0.416 |
| 0.3 | 105.0 | 1.9 | 0.413 |
| 0.3 | 135.0 | 0.917 | 0.233 |
| 0.3 | 165.0 | 1.07 | 0.899 |
| 0.3 | 195.0 | 6.32 | 7.75 |
| 0.3 | 225.0 | 2.23 | 0.493 |
| 0.3 | 255.0 | 3.51 | 0.691 |
| 0.3 | 285.0 | 2.69 | 0.652 |
| 0.3 | 315.0 | 2.04 | 0.421 |
| 0.3 | 345.0 | 1.25 | 0.242 |
| 0.5 | 15.0 | 0.793 | 0.178 |
| 0.5 | 45.0 | 1.11 | 0.257 |
| 0.5 | 75.0 | 1.85 | 0.643 |
| 0.5 | 105.0 | 1.72 | 0.387 |
| 0.5 | 135.0 | 2.39 | 0.621 |
| 0.5 | 165.0 | 3.32 | 2.72 |
| 0.5 | 195.0 | 8.45 | 9.78 |
| 0.5 | 225.0 | 1.31 | 0.313 |
| 0.5 | 255.0 | 3.62 | 0.964 |
| 0.5 | 285.0 | 1.49 | 0.448 |
| 0.5 | 315.0 | 1.28 | 0.29 |
| 0.5 | 345.0 | 1.21 | 0.256 |
| 0.7 | 15.0 | 0.703 | 0.179 |
| 0.7 | 45.0 | 0.536 | 0.164 |
| 0.7 | 75.0 | 1.71 | 0.654 |
| 0.7 | 105.0 | 0.904 | 0.265 |
| 0.7 | 135.0 | 2.9 | 0.962 |
| 0.7 | 165.0 | 0.744 | 0.611 |
| 0.7 | 195.0 | 2.6 | 1.46 |
| 0.7 | 225.0 | 0.925 | 0.354 |
| 0.7 | 255.0 | 2.0 | 0.565 |
| 0.7 | 285.0 | 1.38 | 0.38 |
| 0.7 | 315.0 | 0.932 | 0.203 |
| 0.7 | 345.0 | 0.948 | 0.226 |
| 0.9 | 15.0 | 1.26 | 0.482 |
| 0.9 | 45.0 | 1.1 | 0.389 |
| 0.9 | 75.0 | 0.379 | 0.204 |
| 0.9 | 105.0 | 0.665 | 0.309 |
| 0.9 | 135.0 | 0.487 | 0.226 |
| 0.9 | 165.0 | 1.78 | 0.764 |
| 0.9 | 195.0 | 6.59 | 4.2 |
| 0.9 | 225.0 | 3.61 | 2.09 |
| 0.9 | 255.0 | 1.48 | 0.768 |
| 0.9 | 285.0 | 0.533 | 0.188 |
| 0.9 | 315.0 | 0.281 | 0.0968 |
| 0.9 | 345.0 | 0.987 | 0.34 |
Experiment comment: