Measurement E9M246
| 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: | 1.54 GeV | |
| ε: | 0.676 | |
| 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 | 0.213 | 0.0819 |
| -0.9 | 45.0 | 0.923 | 0.289 |
| -0.9 | 75.0 | 0.972 | 0.326 |
| -0.9 | 105.0 | 1.22 | 0.494 |
| -0.9 | 135.0 | 0.493 | 0.245 |
| -0.9 | 165.0 | 0.69 | 0.216 |
| -0.9 | 195.0 | 0.675 | 0.198 |
| -0.9 | 225.0 | 1.29 | 0.451 |
| -0.9 | 255.0 | 0.693 | 0.364 |
| -0.9 | 285.0 | 0.386 | 0.171 |
| -0.9 | 315.0 | 0.242 | 0.082 |
| -0.9 | 345.0 | 0.204 | 0.0906 |
| -0.7 | 15.0 | 0.844 | 0.22 |
| -0.7 | 45.0 | 1.56 | 0.413 |
| -0.7 | 75.0 | 0.573 | 0.226 |
| -0.7 | 105.0 | 0.732 | 0.365 |
| -0.7 | 135.0 | 1.12 | 0.975 |
| -0.7 | 165.0 | 0.592 | 0.309 |
| -0.7 | 195.0 | 1.05 | 0.479 |
| -0.7 | 225.0 | 1.02 | 0.822 |
| -0.7 | 255.0 | 0.761 | 0.326 |
| -0.7 | 285.0 | 0.808 | 0.29 |
| -0.7 | 315.0 | 0.84 | 0.232 |
| -0.7 | 345.0 | 0.707 | 0.186 |
| -0.5 | 15.0 | 0.66 | 0.16 |
| -0.5 | 45.0 | 1.39 | 0.342 |
| -0.5 | 75.0 | 0.991 | 0.318 |
| -0.5 | 105.0 | 1.29 | 0.373 |
| -0.5 | 135.0 | 1.63 | 0.536 |
| -0.5 | 195.0 | 1.25 | 1.53 |
| -0.5 | 225.0 | 1.0 | 0.303 |
| -0.5 | 255.0 | 2.03 | 0.559 |
| -0.5 | 285.0 | 1.65 | 0.517 |
| -0.5 | 315.0 | 0.775 | 0.228 |
| -0.5 | 345.0 | 0.95 | 0.211 |
| -0.3 | 15.0 | 0.582 | 0.201 |
| -0.3 | 45.0 | 1.35 | 0.327 |
| -0.3 | 75.0 | 2.02 | 0.5 |
| -0.3 | 105.0 | 2.55 | 0.5 |
| -0.3 | 135.0 | 1.33 | 0.302 |
| -0.3 | 165.0 | 0.685 | 0.767 |
| -0.3 | 195.0 | 0.974 | 1.13 |
| -0.3 | 225.0 | 1.67 | 0.354 |
| -0.3 | 255.0 | 2.26 | 0.458 |
| -0.3 | 285.0 | 1.91 | 0.461 |
| -0.3 | 315.0 | 1.52 | 0.429 |
| -0.3 | 345.0 | 0.556 | 0.177 |
| -0.1 | 15.0 | 1.72 | 0.767 |
| -0.1 | 45.0 | 1.05 | 0.276 |
| -0.1 | 75.0 | 1.91 | 0.384 |
| -0.1 | 105.0 | 2.07 | 0.323 |
| -0.1 | 135.0 | 1.62 | 0.339 |
| -0.1 | 165.0 | 0.927 | 1.0 |
| -0.1 | 195.0 | 1.03 | 1.19 |
| -0.1 | 225.0 | 2.27 | 0.412 |
| -0.1 | 255.0 | 1.93 | 0.316 |
| -0.1 | 285.0 | 1.21 | 0.322 |
| -0.1 | 315.0 | 1.33 | 0.336 |
| -0.1 | 345.0 | 0.405 | 0.246 |
| 0.1 | 15.0 | 1.72 | 0.548 |
| 0.1 | 45.0 | 1.76 | 0.426 |
| 0.1 | 75.0 | 1.52 | 0.319 |
| 0.1 | 105.0 | 1.91 | 0.274 |
| 0.1 | 135.0 | 1.69 | 0.373 |
| 0.1 | 225.0 | 1.42 | 0.302 |
| 0.1 | 255.0 | 1.8 | 0.292 |
| 0.1 | 285.0 | 2.32 | 0.428 |
| 0.1 | 315.0 | 0.932 | 0.281 |
| 0.1 | 345.0 | 0.856 | 0.392 |
| 0.3 | 15.0 | 0.321 | 0.152 |
| 0.3 | 45.0 | 1.05 | 0.282 |
| 0.3 | 75.0 | 2.37 | 0.412 |
| 0.3 | 105.0 | 1.7 | 0.286 |
| 0.3 | 135.0 | 1.78 | 0.472 |
| 0.3 | 225.0 | 1.92 | 0.475 |
| 0.3 | 255.0 | 1.51 | 0.256 |
| 0.3 | 285.0 | 1.48 | 0.276 |
| 0.3 | 315.0 | 0.691 | 0.224 |
| 0.3 | 345.0 | 1.35 | 0.462 |
| 0.5 | 15.0 | 0.934 | 0.332 |
| 0.5 | 45.0 | 1.16 | 0.303 |
| 0.5 | 75.0 | 1.04 | 0.217 |
| 0.5 | 105.0 | 1.44 | 0.262 |
| 0.5 | 135.0 | 1.65 | 0.651 |
| 0.5 | 165.0 | 2.03 | 1.56 |
| 0.5 | 195.0 | 5.0 | 2.87 |
| 0.5 | 225.0 | 1.68 | 0.504 |
| 0.5 | 255.0 | 1.55 | 0.273 |
| 0.5 | 285.0 | 1.69 | 0.34 |
| 0.5 | 315.0 | 1.25 | 0.361 |
| 0.5 | 345.0 | 1.73 | 0.581 |
| 0.7 | 15.0 | 0.681 | 0.237 |
| 0.7 | 45.0 | 1.27 | 0.406 |
| 0.7 | 75.0 | 1.26 | 0.297 |
| 0.7 | 105.0 | 0.603 | 0.147 |
| 0.7 | 135.0 | 1.09 | 0.516 |
| 0.7 | 165.0 | 8.38 | 9.39 |
| 0.7 | 195.0 | 1.13 | 0.8 |
| 0.7 | 225.0 | 0.616 | 0.242 |
| 0.7 | 255.0 | 1.52 | 0.303 |
| 0.7 | 285.0 | 1.58 | 0.429 |
| 0.7 | 315.0 | 0.92 | 0.278 |
| 0.7 | 345.0 | 0.498 | 0.19 |
| 0.9 | 15.0 | 0.257 | 0.132 |
| 0.9 | 45.0 | 0.59 | 0.246 |
| 0.9 | 75.0 | 0.2 | 0.0986 |
| 0.9 | 105.0 | 0.76 | 0.24 |
| 0.9 | 135.0 | 0.113 | 0.116 |
| 0.9 | 165.0 | 0.652 | 0.801 |
| 0.9 | 225.0 | 0.524 | 0.245 |
| 0.9 | 255.0 | 0.432 | 0.149 |
| 0.9 | 285.0 | 0.438 | 0.169 |
| 0.9 | 315.0 | 0.632 | 0.212 |
| 0.9 | 345.0 | 0.92 | 0.45 |
Experiment comment: