Measurement E9M239
| 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: | 1.4 GeV | |
| ε: | 0.759 | |
| 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 | 0.114 | 0.0615 |
| -0.9 | 45.0 | 0.614 | 0.268 |
| -0.9 | 75.0 | 0.294 | 0.118 |
| -0.9 | 105.0 | 0.862 | 0.274 |
| -0.9 | 135.0 | 0.708 | 0.282 |
| -0.9 | 165.0 | 0.501 | 0.194 |
| -0.9 | 195.0 | 1.3 | 0.369 |
| -0.9 | 225.0 | 0.63 | 0.229 |
| -0.9 | 255.0 | 0.515 | 0.176 |
| -0.9 | 285.0 | 0.435 | 0.188 |
| -0.9 | 315.0 | 0.391 | 0.133 |
| -0.9 | 345.0 | 0.144 | 0.0674 |
| -0.7 | 15.0 | 0.766 | 0.205 |
| -0.7 | 45.0 | 1.39 | 0.38 |
| -0.7 | 75.0 | 1.35 | 0.367 |
| -0.7 | 105.0 | 0.908 | 0.315 |
| -0.7 | 135.0 | 0.792 | 0.285 |
| -0.7 | 165.0 | 1.11 | 0.301 |
| -0.7 | 195.0 | 1.28 | 0.329 |
| -0.7 | 225.0 | 1.14 | 0.545 |
| -0.7 | 255.0 | 1.81 | 0.535 |
| -0.7 | 285.0 | 1.87 | 0.484 |
| -0.7 | 315.0 | 0.711 | 0.186 |
| -0.7 | 345.0 | 0.672 | 0.202 |
| -0.5 | 15.0 | 1.24 | 0.268 |
| -0.5 | 45.0 | 1.49 | 0.325 |
| -0.5 | 75.0 | 1.56 | 0.407 |
| -0.5 | 105.0 | 2.66 | 1.03 |
| -0.5 | 135.0 | 2.34 | 1.16 |
| -0.5 | 165.0 | 1.07 | 0.341 |
| -0.5 | 195.0 | 1.61 | 0.505 |
| -0.5 | 225.0 | 5.03 | 2.05 |
| -0.5 | 255.0 | 1.11 | 0.49 |
| -0.5 | 285.0 | 1.35 | 0.361 |
| -0.5 | 315.0 | 1.46 | 0.285 |
| -0.5 | 345.0 | 0.779 | 0.192 |
| -0.3 | 15.0 | 1.24 | 0.246 |
| -0.3 | 45.0 | 1.43 | 0.341 |
| -0.3 | 75.0 | 3.19 | 0.971 |
| -0.3 | 105.0 | 3.07 | 0.814 |
| -0.3 | 135.0 | 2.82 | 1.1 |
| -0.3 | 165.0 | 2.29 | 0.785 |
| -0.3 | 195.0 | 1.6 | 0.591 |
| -0.3 | 225.0 | 3.51 | 1.41 |
| -0.3 | 255.0 | 2.05 | 0.688 |
| -0.3 | 285.0 | 2.32 | 0.643 |
| -0.3 | 315.0 | 1.58 | 0.325 |
| -0.3 | 345.0 | 1.07 | 0.223 |
| -0.1 | 15.0 | 0.811 | 0.182 |
| -0.1 | 45.0 | 1.31 | 0.279 |
| -0.1 | 75.0 | 2.07 | 0.503 |
| -0.1 | 105.0 | 1.55 | 0.362 |
| -0.1 | 135.0 | 3.01 | 1.03 |
| -0.1 | 165.0 | 1.07 | 0.692 |
| -0.1 | 195.0 | 3.15 | 1.76 |
| -0.1 | 225.0 | 5.9 | 1.56 |
| -0.1 | 255.0 | 1.81 | 0.455 |
| -0.1 | 285.0 | 2.38 | 0.643 |
| -0.1 | 315.0 | 1.31 | 0.265 |
| -0.1 | 345.0 | 0.825 | 0.195 |
| 0.1 | 15.0 | 1.43 | 0.263 |
| 0.1 | 45.0 | 1.73 | 0.356 |
| 0.1 | 75.0 | 3.45 | 0.721 |
| 0.1 | 105.0 | 1.74 | 0.383 |
| 0.1 | 135.0 | 2.37 | 0.593 |
| 0.1 | 165.0 | 0.776 | 0.84 |
| 0.1 | 195.0 | 0.983 | 0.78 |
| 0.1 | 225.0 | 2.4 | 0.535 |
| 0.1 | 255.0 | 3.15 | 0.635 |
| 0.1 | 285.0 | 1.8 | 0.444 |
| 0.1 | 315.0 | 2.34 | 0.507 |
| 0.1 | 345.0 | 0.889 | 0.177 |
| 0.3 | 15.0 | 0.846 | 0.196 |
| 0.3 | 45.0 | 1.35 | 0.288 |
| 0.3 | 75.0 | 1.39 | 0.366 |
| 0.3 | 105.0 | 1.79 | 0.369 |
| 0.3 | 135.0 | 1.31 | 0.31 |
| 0.3 | 165.0 | 2.92 | 1.59 |
| 0.3 | 195.0 | 22.2 | 23.8 |
| 0.3 | 225.0 | 2.26 | 0.525 |
| 0.3 | 255.0 | 2.14 | 0.482 |
| 0.3 | 285.0 | 2.19 | 0.546 |
| 0.3 | 315.0 | 1.44 | 0.314 |
| 0.3 | 345.0 | 1.06 | 0.216 |
| 0.5 | 15.0 | 0.87 | 0.203 |
| 0.5 | 45.0 | 1.49 | 0.335 |
| 0.5 | 75.0 | 1.47 | 0.431 |
| 0.5 | 105.0 | 1.32 | 0.343 |
| 0.5 | 135.0 | 2.29 | 0.513 |
| 0.5 | 165.0 | 2.56 | 1.73 |
| 0.5 | 195.0 | 1.12 | 0.738 |
| 0.5 | 225.0 | 1.68 | 0.405 |
| 0.5 | 255.0 | 1.33 | 0.386 |
| 0.5 | 285.0 | 1.46 | 0.396 |
| 0.5 | 315.0 | 1.4 | 0.315 |
| 0.5 | 345.0 | 1.61 | 0.343 |
| 0.7 | 15.0 | 0.853 | 0.226 |
| 0.7 | 45.0 | 0.989 | 0.277 |
| 0.7 | 75.0 | 0.345 | 0.136 |
| 0.7 | 105.0 | 3.3 | 1.01 |
| 0.7 | 135.0 | 1.54 | 0.445 |
| 0.7 | 195.0 | 1.33 | 0.806 |
| 0.7 | 225.0 | 0.853 | 0.265 |
| 0.7 | 255.0 | 1.43 | 0.489 |
| 0.7 | 285.0 | 1.61 | 0.567 |
| 0.7 | 315.0 | 1.07 | 0.287 |
| 0.7 | 345.0 | 1.02 | 0.282 |
| 0.9 | 15.0 | 1.06 | 0.329 |
| 0.9 | 45.0 | 0.939 | 0.324 |
| 0.9 | 75.0 | 0.939 | 0.385 |
| 0.9 | 105.0 | 0.507 | 0.212 |
| 0.9 | 135.0 | 1.48 | 0.866 |
| 0.9 | 165.0 | 0.656 | 0.353 |
| 0.9 | 195.0 | 0.914 | 0.839 |
| 0.9 | 225.0 | 1.04 | 0.546 |
| 0.9 | 255.0 | 1.19 | 0.633 |
| 0.9 | 285.0 | 0.335 | 0.149 |
| 0.9 | 315.0 | 0.775 | 0.258 |
| 0.9 | 345.0 | 0.656 | 0.183 |
Experiment comment: