Measurement E9M234
| 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: | 1.3 GeV | |
| ε: | 0.803 | |
| 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 | 1.89 | 0.5 |
| -0.9 | 45.0 | 1.34 | 0.346 |
| -0.9 | 75.0 | 1.89 | 0.455 |
| -0.9 | 105.0 | 1.96 | 0.456 |
| -0.9 | 135.0 | 1.3 | 0.36 |
| -0.9 | 165.0 | 1.96 | 0.536 |
| -0.9 | 195.0 | 2.29 | 0.62 |
| -0.9 | 225.0 | 2.25 | 0.509 |
| -0.9 | 255.0 | 1.79 | 0.403 |
| -0.9 | 285.0 | 1.22 | 0.295 |
| -0.9 | 315.0 | 1.05 | 0.273 |
| -0.9 | 345.0 | 1.98 | 0.532 |
| -0.7 | 15.0 | 1.68 | 0.316 |
| -0.7 | 45.0 | 1.92 | 0.34 |
| -0.7 | 75.0 | 2.55 | 0.47 |
| -0.7 | 105.0 | 3.19 | 0.526 |
| -0.7 | 135.0 | 1.35 | 0.309 |
| -0.7 | 165.0 | 1.26 | 0.291 |
| -0.7 | 195.0 | 1.71 | 0.355 |
| -0.7 | 225.0 | 2.74 | 0.565 |
| -0.7 | 255.0 | 3.08 | 0.583 |
| -0.7 | 285.0 | 3.24 | 0.551 |
| -0.7 | 315.0 | 3.5 | 0.554 |
| -0.7 | 345.0 | 1.63 | 0.31 |
| -0.5 | 15.0 | 1.73 | 0.286 |
| -0.5 | 45.0 | 3.55 | 0.471 |
| -0.5 | 75.0 | 5.44 | 0.879 |
| -0.5 | 105.0 | 4.45 | 0.76 |
| -0.5 | 135.0 | 2.37 | 0.475 |
| -0.5 | 165.0 | 2.02 | 0.378 |
| -0.5 | 195.0 | 1.5 | 0.307 |
| -0.5 | 225.0 | 3.32 | 0.648 |
| -0.5 | 255.0 | 4.57 | 0.773 |
| -0.5 | 285.0 | 4.35 | 0.649 |
| -0.5 | 315.0 | 2.88 | 0.425 |
| -0.5 | 345.0 | 2.67 | 0.398 |
| -0.3 | 15.0 | 3.15 | 0.43 |
| -0.3 | 45.0 | 3.28 | 0.426 |
| -0.3 | 75.0 | 5.73 | 0.837 |
| -0.3 | 105.0 | 4.82 | 0.849 |
| -0.3 | 135.0 | 3.82 | 0.845 |
| -0.3 | 165.0 | 1.64 | 0.358 |
| -0.3 | 195.0 | 1.95 | 0.376 |
| -0.3 | 225.0 | 5.48 | 1.07 |
| -0.3 | 255.0 | 5.34 | 0.937 |
| -0.3 | 285.0 | 4.31 | 0.657 |
| -0.3 | 315.0 | 3.41 | 0.43 |
| -0.3 | 345.0 | 3.25 | 0.468 |
| -0.1 | 15.0 | 3.3 | 0.466 |
| -0.1 | 45.0 | 4.95 | 0.63 |
| -0.1 | 75.0 | 6.34 | 0.939 |
| -0.1 | 105.0 | 5.81 | 1.21 |
| -0.1 | 135.0 | 4.69 | 1.1 |
| -0.1 | 165.0 | 3.08 | 0.608 |
| -0.1 | 195.0 | 2.65 | 0.557 |
| -0.1 | 225.0 | 3.88 | 0.979 |
| -0.1 | 255.0 | 3.56 | 0.786 |
| -0.1 | 285.0 | 6.41 | 1.02 |
| -0.1 | 315.0 | 4.12 | 0.536 |
| -0.1 | 345.0 | 3.41 | 0.489 |
| 0.1 | 15.0 | 1.73 | 0.278 |
| 0.1 | 45.0 | 4.17 | 0.536 |
| 0.1 | 75.0 | 7.36 | 1.22 |
| 0.1 | 105.0 | 9.6 | 1.79 |
| 0.1 | 135.0 | 5.83 | 1.77 |
| 0.1 | 165.0 | 3.13 | 0.636 |
| 0.1 | 195.0 | 2.67 | 0.528 |
| 0.1 | 225.0 | 3.46 | 1.09 |
| 0.1 | 255.0 | 8.06 | 1.77 |
| 0.1 | 285.0 | 4.16 | 0.671 |
| 0.1 | 315.0 | 3.55 | 0.485 |
| 0.1 | 345.0 | 2.38 | 0.353 |
| 0.3 | 15.0 | 1.62 | 0.268 |
| 0.3 | 45.0 | 3.32 | 0.436 |
| 0.3 | 75.0 | 4.27 | 0.724 |
| 0.3 | 105.0 | 6.2 | 1.33 |
| 0.3 | 135.0 | 6.8 | 2.15 |
| 0.3 | 165.0 | 3.59 | 0.663 |
| 0.3 | 195.0 | 1.97 | 0.422 |
| 0.3 | 225.0 | 4.43 | 1.44 |
| 0.3 | 255.0 | 5.17 | 1.09 |
| 0.3 | 285.0 | 4.0 | 0.71 |
| 0.3 | 315.0 | 3.14 | 0.441 |
| 0.3 | 345.0 | 2.7 | 0.426 |
| 0.5 | 15.0 | 2.1 | 0.347 |
| 0.5 | 45.0 | 2.36 | 0.369 |
| 0.5 | 75.0 | 4.65 | 0.828 |
| 0.5 | 105.0 | 3.99 | 0.837 |
| 0.5 | 135.0 | 4.6 | 1.4 |
| 0.5 | 165.0 | 3.8 | 0.754 |
| 0.5 | 195.0 | 3.65 | 0.731 |
| 0.5 | 225.0 | 7.61 | 2.35 |
| 0.5 | 255.0 | 4.17 | 0.901 |
| 0.5 | 285.0 | 4.04 | 0.755 |
| 0.5 | 315.0 | 2.76 | 0.431 |
| 0.5 | 345.0 | 1.63 | 0.29 |
| 0.7 | 15.0 | 1.15 | 0.244 |
| 0.7 | 45.0 | 1.98 | 0.359 |
| 0.7 | 75.0 | 3.78 | 0.75 |
| 0.7 | 105.0 | 3.09 | 0.877 |
| 0.7 | 135.0 | 3.81 | 1.25 |
| 0.7 | 165.0 | 2.89 | 0.672 |
| 0.7 | 195.0 | 3.18 | 0.633 |
| 0.7 | 225.0 | 1.53 | 0.42 |
| 0.7 | 255.0 | 3.84 | 0.825 |
| 0.7 | 285.0 | 2.48 | 0.516 |
| 0.7 | 315.0 | 3.08 | 0.519 |
| 0.7 | 345.0 | 2.04 | 0.382 |
| 0.9 | 15.0 | 0.593 | 0.182 |
| 0.9 | 45.0 | 1.1 | 0.304 |
| 0.9 | 75.0 | 1.39 | 0.373 |
| 0.9 | 105.0 | 1.54 | 0.399 |
| 0.9 | 135.0 | 3.53 | 0.95 |
| 0.9 | 165.0 | 2.38 | 0.536 |
| 0.9 | 195.0 | 3.37 | 0.711 |
| 0.9 | 225.0 | 4.08 | 1.19 |
| 0.9 | 255.0 | 1.72 | 0.461 |
| 0.9 | 285.0 | 1.23 | 0.312 |
| 0.9 | 315.0 | 1.15 | 0.246 |
| 0.9 | 345.0 | 1.17 | 0.317 |
Experiment comment: