Measurement E9M62
| 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: | 1.6 — 2.0 GeV2 | |
| W: | 1.14 GeV | |
| ε: | 0.622 | |
| 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 | 1.11 | 1.2 |
| -0.9 | 45.0 | 0.182 | 0.224 |
| -0.9 | 105.0 | 0.641 | 0.563 |
| -0.9 | 135.0 | 0.0576 | 0.0687 |
| -0.9 | 165.0 | 0.8 | 0.638 |
| -0.9 | 195.0 | 0.336 | 0.281 |
| -0.9 | 225.0 | 0.104 | 0.11 |
| -0.9 | 255.0 | 7.25 | 10.1 |
| -0.9 | 285.0 | 0.218 | 0.198 |
| -0.9 | 315.0 | 0.974 | 0.924 |
| -0.7 | 15.0 | 0.607 | 0.458 |
| -0.7 | 75.0 | 0.605 | 0.69 |
| -0.7 | 105.0 | 0.579 | 0.398 |
| -0.7 | 165.0 | 0.118 | 0.0912 |
| -0.7 | 195.0 | 0.125 | 0.0846 |
| -0.7 | 225.0 | 0.214 | 0.227 |
| -0.7 | 255.0 | 1.59 | 1.17 |
| -0.7 | 285.0 | 0.184 | 0.168 |
| -0.7 | 315.0 | 2.54 | 2.04 |
| -0.7 | 345.0 | 0.0985 | 0.0632 |
| -0.5 | 15.0 | 3.64 | 2.95 |
| -0.5 | 45.0 | 4.12 | 3.93 |
| -0.5 | 75.0 | 0.199 | 0.16 |
| -0.5 | 105.0 | 0.604 | 0.415 |
| -0.5 | 135.0 | 0.37 | 0.217 |
| -0.5 | 165.0 | 3.19 | 1.72 |
| -0.5 | 195.0 | 0.338 | 0.263 |
| -0.5 | 225.0 | 0.612 | 0.355 |
| -0.5 | 255.0 | 0.213 | 0.14 |
| -0.5 | 285.0 | 0.632 | 0.781 |
| -0.5 | 315.0 | 0.0632 | 0.0677 |
| -0.5 | 345.0 | 0.311 | 0.188 |
| -0.3 | 15.0 | 0.483 | 0.25 |
| -0.3 | 45.0 | 0.168 | 0.158 |
| -0.3 | 75.0 | 0.53 | 0.424 |
| -0.3 | 105.0 | 0.186 | 0.144 |
| -0.3 | 135.0 | 1.33 | 0.732 |
| -0.3 | 165.0 | 1.19 | 0.517 |
| -0.3 | 195.0 | 1.17 | 0.583 |
| -0.3 | 225.0 | 1.02 | 0.514 |
| -0.3 | 255.0 | 0.157 | 0.12 |
| -0.3 | 285.0 | 0.399 | 0.429 |
| -0.3 | 315.0 | 0.512 | 0.517 |
| -0.3 | 345.0 | 0.347 | 0.177 |
| -0.1 | 45.0 | 0.404 | 0.248 |
| -0.1 | 75.0 | 1.57 | 1.12 |
| -0.1 | 105.0 | 1.37 | 0.987 |
| -0.1 | 135.0 | 0.419 | 0.234 |
| -0.1 | 165.0 | 0.724 | 0.386 |
| -0.1 | 195.0 | 0.792 | 0.459 |
| -0.1 | 225.0 | 0.724 | 0.352 |
| -0.1 | 255.0 | 9.5 | 7.16 |
| -0.1 | 285.0 | 0.85 | 0.52 |
| -0.1 | 315.0 | 0.343 | 0.211 |
| -0.1 | 345.0 | 0.335 | 0.187 |
| 0.1 | 15.0 | 0.0317 | 0.0327 |
| 0.1 | 45.0 | 0.811 | 0.519 |
| 0.1 | 75.0 | 0.998 | 0.615 |
| 0.1 | 105.0 | 0.466 | 0.303 |
| 0.1 | 135.0 | 0.447 | 0.345 |
| 0.1 | 165.0 | 0.945 | 0.475 |
| 0.1 | 195.0 | 0.71 | 0.364 |
| 0.1 | 225.0 | 1.57 | 0.771 |
| 0.1 | 255.0 | 0.551 | 0.31 |
| 0.1 | 285.0 | 0.498 | 0.342 |
| 0.1 | 315.0 | 0.149 | 0.164 |
| 0.1 | 345.0 | 1.37 | 0.818 |
| 0.3 | 15.0 | 1.1 | 0.583 |
| 0.3 | 45.0 | 2.45 | 1.25 |
| 0.3 | 75.0 | 0.785 | 0.506 |
| 0.3 | 105.0 | 0.681 | 0.769 |
| 0.3 | 135.0 | 1.2 | 0.679 |
| 0.3 | 165.0 | 1.33 | 0.562 |
| 0.3 | 195.0 | 0.696 | 0.362 |
| 0.3 | 225.0 | 0.822 | 0.543 |
| 0.3 | 255.0 | 0.376 | 0.289 |
| 0.3 | 285.0 | 1.02 | 0.716 |
| 0.3 | 315.0 | 0.256 | 0.135 |
| 0.3 | 345.0 | 0.227 | 0.133 |
| 0.5 | 15.0 | 1.21 | 0.8 |
| 0.5 | 45.0 | 0.223 | 0.142 |
| 0.5 | 75.0 | 0.118 | 0.124 |
| 0.5 | 105.0 | 0.45 | 0.264 |
| 0.5 | 135.0 | 0.639 | 0.412 |
| 0.5 | 165.0 | 0.382 | 0.209 |
| 0.5 | 195.0 | 1.06 | 0.495 |
| 0.5 | 225.0 | 1.13 | 0.571 |
| 0.5 | 255.0 | 1.92 | 0.882 |
| 0.5 | 285.0 | 0.147 | 0.0926 |
| 0.5 | 315.0 | 1.5 | 0.891 |
| 0.5 | 345.0 | 1.21 | 1.02 |
| 0.7 | 15.0 | 0.217 | 0.176 |
| 0.7 | 45.0 | 0.194 | 0.12 |
| 0.7 | 75.0 | 0.65 | 0.339 |
| 0.7 | 105.0 | 0.516 | 0.331 |
| 0.7 | 135.0 | 1.82 | 0.762 |
| 0.7 | 165.0 | 1.33 | 0.812 |
| 0.7 | 195.0 | 1.35 | 0.541 |
| 0.7 | 225.0 | 0.999 | 0.444 |
| 0.7 | 255.0 | 0.404 | 0.264 |
| 0.7 | 285.0 | 0.177 | 0.14 |
| 0.7 | 315.0 | 1.49 | 0.737 |
| 0.7 | 345.0 | 0.234 | 0.113 |
| 0.9 | 15.0 | 0.356 | 0.281 |
| 0.9 | 45.0 | 0.927 | 0.766 |
| 0.9 | 75.0 | 2.96 | 2.19 |
| 0.9 | 105.0 | 1.13 | 0.666 |
| 0.9 | 135.0 | 2.84 | 3.51 |
| 0.9 | 165.0 | 2.63 | 1.52 |
| 0.9 | 195.0 | 1.88 | 0.881 |
| 0.9 | 225.0 | 0.525 | 0.41 |
| 0.9 | 255.0 | 0.948 | 0.586 |
| 0.9 | 285.0 | 0.249 | 0.141 |
| 0.9 | 315.0 | 0.329 | 0.227 |
| 0.9 | 345.0 | 0.526 | 0.583 |
Experiment comment: