Measurement E9M192
| 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: | 0.6 — 0.7 GeV2 | |
| W: | 1.66 GeV | |
| ε: | 0.672 | |
| 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 | 1.76 | 0.415 |
| -0.9 | 45.0 | 0.931 | 0.268 |
| -0.9 | 75.0 | 1.62 | 0.704 |
| -0.9 | 105.0 | 1.68 | 1.06 |
| -0.9 | 135.0 | 0.993 | 0.677 |
| -0.9 | 165.0 | 1.03 | 0.734 |
| -0.9 | 195.0 | 0.61 | 0.416 |
| -0.9 | 225.0 | 0.396 | 0.252 |
| -0.9 | 255.0 | 0.922 | 0.61 |
| -0.9 | 285.0 | 0.91 | 0.391 |
| -0.9 | 315.0 | 2.04 | 0.592 |
| -0.9 | 345.0 | 1.96 | 0.535 |
| -0.7 | 15.0 | 0.831 | 0.211 |
| -0.7 | 45.0 | 0.81 | 0.301 |
| -0.7 | 75.0 | 0.563 | 0.427 |
| -0.7 | 105.0 | 0.507 | 0.223 |
| -0.7 | 135.0 | 1.04 | 0.455 |
| -0.7 | 225.0 | 0.345 | 0.362 |
| -0.7 | 255.0 | 0.725 | 0.312 |
| -0.7 | 285.0 | 0.84 | 0.483 |
| -0.7 | 315.0 | 1.14 | 0.401 |
| -0.7 | 345.0 | 0.621 | 0.188 |
| -0.5 | 15.0 | 0.528 | 0.178 |
| -0.5 | 45.0 | 0.474 | 0.21 |
| -0.5 | 75.0 | 1.06 | 0.436 |
| -0.5 | 105.0 | 0.851 | 0.265 |
| -0.5 | 135.0 | 1.46 | 0.408 |
| -0.5 | 225.0 | 1.82 | 0.556 |
| -0.5 | 255.0 | 1.03 | 0.312 |
| -0.5 | 285.0 | 0.622 | 0.288 |
| -0.5 | 315.0 | 1.21 | 0.414 |
| -0.5 | 345.0 | 0.817 | 0.249 |
| -0.3 | 15.0 | 0.647 | 0.178 |
| -0.3 | 45.0 | 1.63 | 0.769 |
| -0.3 | 75.0 | 0.484 | 0.184 |
| -0.3 | 105.0 | 1.38 | 0.314 |
| -0.3 | 135.0 | 2.95 | 0.987 |
| -0.3 | 225.0 | 1.76 | 0.733 |
| -0.3 | 255.0 | 1.17 | 0.272 |
| -0.3 | 285.0 | 0.55 | 0.179 |
| -0.3 | 315.0 | 0.685 | 0.332 |
| -0.3 | 345.0 | 0.741 | 0.248 |
| -0.1 | 15.0 | 0.763 | 0.266 |
| -0.1 | 45.0 | 1.36 | 0.462 |
| -0.1 | 75.0 | 0.947 | 0.255 |
| -0.1 | 105.0 | 1.48 | 0.295 |
| -0.1 | 135.0 | 2.96 | 1.69 |
| -0.1 | 165.0 | 1.82 | 1.0 |
| -0.1 | 195.0 | 2.67 | 1.74 |
| -0.1 | 225.0 | 2.45 | 1.31 |
| -0.1 | 255.0 | 0.814 | 0.198 |
| -0.1 | 285.0 | 1.23 | 0.31 |
| -0.1 | 315.0 | 2.18 | 0.779 |
| -0.1 | 345.0 | 0.144 | 0.0742 |
| 0.1 | 15.0 | 0.109 | 0.111 |
| 0.1 | 45.0 | 0.843 | 0.35 |
| 0.1 | 75.0 | 1.93 | 0.39 |
| 0.1 | 105.0 | 1.36 | 0.318 |
| 0.1 | 135.0 | 2.3 | 0.68 |
| 0.1 | 165.0 | 1.56 | 0.53 |
| 0.1 | 195.0 | 1.13 | 0.433 |
| 0.1 | 225.0 | 3.51 | 1.1 |
| 0.1 | 255.0 | 2.8 | 0.544 |
| 0.1 | 285.0 | 1.1 | 0.288 |
| 0.1 | 315.0 | 0.931 | 0.337 |
| 0.1 | 345.0 | 0.7 | 0.32 |
| 0.3 | 15.0 | 0.503 | 0.255 |
| 0.3 | 45.0 | 1.99 | 0.782 |
| 0.3 | 75.0 | 1.43 | 0.3 |
| 0.3 | 105.0 | 1.11 | 0.307 |
| 0.3 | 135.0 | 2.62 | 0.745 |
| 0.3 | 165.0 | 2.22 | 0.813 |
| 0.3 | 195.0 | 4.42 | 1.87 |
| 0.3 | 225.0 | 1.35 | 0.428 |
| 0.3 | 255.0 | 1.84 | 0.396 |
| 0.3 | 285.0 | 1.41 | 0.31 |
| 0.3 | 315.0 | 1.33 | 0.605 |
| 0.3 | 345.0 | 0.797 | 0.373 |
| 0.5 | 15.0 | 1.08 | 0.461 |
| 0.5 | 45.0 | 0.809 | 0.362 |
| 0.5 | 75.0 | 1.83 | 0.372 |
| 0.5 | 105.0 | 1.06 | 0.358 |
| 0.5 | 135.0 | 1.1 | 0.278 |
| 0.5 | 165.0 | 1.5 | 0.544 |
| 0.5 | 195.0 | 0.898 | 0.372 |
| 0.5 | 225.0 | 1.45 | 0.405 |
| 0.5 | 255.0 | 1.52 | 0.408 |
| 0.5 | 285.0 | 1.34 | 0.277 |
| 0.5 | 315.0 | 1.28 | 0.402 |
| 0.5 | 345.0 | 0.394 | 0.219 |
| 0.7 | 15.0 | 2.81 | 1.43 |
| 0.7 | 45.0 | 0.758 | 0.29 |
| 0.7 | 75.0 | 1.41 | 0.288 |
| 0.7 | 105.0 | 1.55 | 0.398 |
| 0.7 | 135.0 | 1.61 | 0.423 |
| 0.7 | 165.0 | 1.34 | 0.519 |
| 0.7 | 195.0 | 1.09 | 0.373 |
| 0.7 | 225.0 | 1.39 | 0.391 |
| 0.7 | 255.0 | 2.49 | 0.613 |
| 0.7 | 285.0 | 1.38 | 0.298 |
| 0.7 | 315.0 | 0.559 | 0.263 |
| 0.7 | 345.0 | 1.61 | 0.673 |
| 0.9 | 15.0 | 2.82 | 1.38 |
| 0.9 | 45.0 | 0.958 | 0.397 |
| 0.9 | 75.0 | 1.86 | 0.386 |
| 0.9 | 105.0 | 1.15 | 0.318 |
| 0.9 | 135.0 | 1.09 | 0.405 |
| 0.9 | 165.0 | 0.914 | 0.597 |
| 0.9 | 195.0 | 1.05 | 0.526 |
| 0.9 | 225.0 | 0.906 | 0.376 |
| 0.9 | 255.0 | 0.892 | 0.252 |
| 0.9 | 285.0 | 1.86 | 0.352 |
| 0.9 | 315.0 | 0.944 | 0.383 |
| 0.9 | 345.0 | 3.42 | 2.09 |
Experiment comment: