Measurement E9M243
| 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: | 1.48 GeV | |
| ε: | 0.715 | |
| 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 | 0.462 | 0.19 |
| -0.9 | 45.0 | 0.125 | 0.0658 |
| -0.9 | 75.0 | 0.397 | 0.177 |
| -0.9 | 105.0 | 1.15 | 0.383 |
| -0.9 | 135.0 | 1.18 | 0.406 |
| -0.9 | 165.0 | 0.565 | 0.157 |
| -0.9 | 195.0 | 0.732 | 0.208 |
| -0.9 | 225.0 | 0.555 | 0.218 |
| -0.9 | 255.0 | 0.872 | 0.369 |
| -0.9 | 285.0 | 0.657 | 0.226 |
| -0.9 | 315.0 | 0.466 | 0.188 |
| -0.9 | 345.0 | 0.425 | 0.171 |
| -0.7 | 15.0 | 0.776 | 0.193 |
| -0.7 | 45.0 | 0.713 | 0.213 |
| -0.7 | 75.0 | 0.403 | 0.174 |
| -0.7 | 105.0 | 1.6 | 0.625 |
| -0.7 | 135.0 | 0.913 | 0.497 |
| -0.7 | 165.0 | 0.843 | 0.281 |
| -0.7 | 195.0 | 1.4 | 0.367 |
| -0.7 | 225.0 | 3.26 | 1.4 |
| -0.7 | 255.0 | 1.09 | 0.447 |
| -0.7 | 285.0 | 1.63 | 0.518 |
| -0.7 | 315.0 | 0.759 | 0.229 |
| -0.7 | 345.0 | 0.833 | 0.206 |
| -0.5 | 15.0 | 0.83 | 0.191 |
| -0.5 | 45.0 | 1.23 | 0.295 |
| -0.5 | 75.0 | 1.84 | 0.481 |
| -0.5 | 105.0 | 2.87 | 0.782 |
| -0.5 | 135.0 | 2.4 | 0.838 |
| -0.5 | 165.0 | 2.56 | 1.29 |
| -0.5 | 195.0 | 2.54 | 1.17 |
| -0.5 | 225.0 | 2.84 | 1.31 |
| -0.5 | 255.0 | 2.09 | 0.603 |
| -0.5 | 285.0 | 3.38 | 0.834 |
| -0.5 | 315.0 | 1.74 | 0.374 |
| -0.5 | 345.0 | 0.93 | 0.219 |
| -0.3 | 15.0 | 1.36 | 0.322 |
| -0.3 | 45.0 | 2.26 | 0.471 |
| -0.3 | 75.0 | 3.26 | 0.745 |
| -0.3 | 105.0 | 1.47 | 0.349 |
| -0.3 | 135.0 | 2.39 | 0.525 |
| -0.3 | 165.0 | 9.96 | 9.11 |
| -0.3 | 195.0 | 0.857 | 0.665 |
| -0.3 | 225.0 | 3.47 | 0.744 |
| -0.3 | 255.0 | 1.69 | 0.343 |
| -0.3 | 285.0 | 2.58 | 0.58 |
| -0.3 | 315.0 | 1.24 | 0.283 |
| -0.3 | 345.0 | 0.849 | 0.227 |
| -0.1 | 15.0 | 1.86 | 0.465 |
| -0.1 | 45.0 | 1.81 | 0.403 |
| -0.1 | 75.0 | 2.62 | 0.56 |
| -0.1 | 105.0 | 2.22 | 0.382 |
| -0.1 | 135.0 | 2.46 | 0.412 |
| -0.1 | 165.0 | 9.82 | 4.63 |
| -0.1 | 195.0 | 2.17 | 1.47 |
| -0.1 | 225.0 | 2.18 | 0.377 |
| -0.1 | 255.0 | 3.18 | 0.509 |
| -0.1 | 285.0 | 2.2 | 0.486 |
| -0.1 | 315.0 | 2.22 | 0.443 |
| -0.1 | 345.0 | 2.08 | 0.459 |
| 0.1 | 15.0 | 1.33 | 0.33 |
| 0.1 | 45.0 | 2.22 | 0.498 |
| 0.1 | 75.0 | 2.22 | 0.429 |
| 0.1 | 105.0 | 3.01 | 0.463 |
| 0.1 | 135.0 | 2.69 | 0.422 |
| 0.1 | 165.0 | 1.24 | 0.684 |
| 0.1 | 195.0 | 3.22 | 1.39 |
| 0.1 | 225.0 | 1.9 | 0.322 |
| 0.1 | 255.0 | 2.99 | 0.423 |
| 0.1 | 285.0 | 2.12 | 0.455 |
| 0.1 | 315.0 | 3.26 | 0.665 |
| 0.1 | 345.0 | 1.47 | 0.316 |
| 0.3 | 15.0 | 1.53 | 0.346 |
| 0.3 | 45.0 | 2.46 | 0.526 |
| 0.3 | 75.0 | 2.74 | 0.556 |
| 0.3 | 105.0 | 2.74 | 0.432 |
| 0.3 | 135.0 | 2.44 | 0.432 |
| 0.3 | 165.0 | 3.08 | 1.69 |
| 0.3 | 195.0 | 3.96 | 2.56 |
| 0.3 | 225.0 | 1.77 | 0.335 |
| 0.3 | 255.0 | 2.36 | 0.38 |
| 0.3 | 285.0 | 3.86 | 0.738 |
| 0.3 | 315.0 | 2.2 | 0.42 |
| 0.3 | 345.0 | 1.77 | 0.424 |
| 0.5 | 15.0 | 1.47 | 0.368 |
| 0.5 | 45.0 | 2.06 | 0.449 |
| 0.5 | 75.0 | 1.65 | 0.349 |
| 0.5 | 105.0 | 2.44 | 0.392 |
| 0.5 | 135.0 | 1.21 | 0.281 |
| 0.5 | 225.0 | 3.07 | 0.637 |
| 0.5 | 255.0 | 2.94 | 0.462 |
| 0.5 | 285.0 | 1.85 | 0.404 |
| 0.5 | 315.0 | 1.22 | 0.32 |
| 0.5 | 345.0 | 1.29 | 0.3 |
| 0.7 | 15.0 | 1.22 | 0.353 |
| 0.7 | 45.0 | 1.02 | 0.286 |
| 0.7 | 75.0 | 1.0 | 0.279 |
| 0.7 | 105.0 | 1.74 | 0.35 |
| 0.7 | 135.0 | 0.843 | 0.228 |
| 0.7 | 225.0 | 1.17 | 0.308 |
| 0.7 | 255.0 | 1.51 | 0.323 |
| 0.7 | 285.0 | 2.39 | 0.59 |
| 0.7 | 315.0 | 0.999 | 0.321 |
| 0.7 | 345.0 | 0.867 | 0.233 |
| 0.9 | 15.0 | 0.491 | 0.195 |
| 0.9 | 45.0 | 0.337 | 0.136 |
| 0.9 | 75.0 | 1.0 | 0.407 |
| 0.9 | 105.0 | 0.527 | 0.202 |
| 0.9 | 135.0 | 1.18 | 0.407 |
| 0.9 | 165.0 | 7.31 | 8.47 |
| 0.9 | 195.0 | 0.511 | 0.412 |
| 0.9 | 225.0 | 0.434 | 0.233 |
| 0.9 | 255.0 | 0.495 | 0.208 |
| 0.9 | 285.0 | 0.37 | 0.182 |
| 0.9 | 315.0 | 0.705 | 0.228 |
| 0.9 | 345.0 | 0.52 | 0.232 |
Experiment comment: