Measurement E9M220
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.62 GeV | |
| ε: | 0.669 | |
| 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 | 0.444 | 0.139 |
| -0.9 | 45.0 | 0.912 | 0.332 |
| -0.9 | 75.0 | 0.707 | 0.348 |
| -0.9 | 105.0 | 0.332 | 0.21 |
| -0.9 | 135.0 | 3.53 | 4.33 |
| -0.9 | 165.0 | 0.261 | 0.274 |
| -0.9 | 195.0 | 0.37 | 0.187 |
| -0.9 | 225.0 | 0.323 | 0.25 |
| -0.9 | 255.0 | 1.29 | 0.771 |
| -0.9 | 285.0 | 0.563 | 0.231 |
| -0.9 | 315.0 | 0.618 | 0.235 |
| -0.9 | 345.0 | 1.5 | 0.499 |
| -0.7 | 15.0 | 0.374 | 0.139 |
| -0.7 | 45.0 | 0.958 | 0.412 |
| -0.7 | 75.0 | 3.5 | 1.82 |
| -0.7 | 105.0 | 0.829 | 0.441 |
| -0.7 | 135.0 | 1.2 | 0.586 |
| -0.7 | 225.0 | 1.75 | 1.02 |
| -0.7 | 255.0 | 0.662 | 0.427 |
| -0.7 | 285.0 | 0.903 | 0.594 |
| -0.7 | 315.0 | 0.637 | 0.285 |
| -0.7 | 345.0 | 2.53 | 0.651 |
| -0.5 | 15.0 | 0.515 | 0.202 |
| -0.5 | 45.0 | 0.116 | 0.119 |
| -0.5 | 75.0 | 0.987 | 0.637 |
| -0.5 | 105.0 | 1.58 | 0.554 |
| -0.5 | 135.0 | 0.782 | 0.318 |
| -0.5 | 195.0 | 2.3 | 3.26 |
| -0.5 | 225.0 | 1.56 | 0.518 |
| -0.5 | 255.0 | 0.97 | 0.308 |
| -0.5 | 285.0 | 1.77 | 0.758 |
| -0.5 | 315.0 | 0.518 | 0.204 |
| -0.5 | 345.0 | 0.953 | 0.364 |
| -0.3 | 15.0 | 0.555 | 0.178 |
| -0.3 | 45.0 | 0.672 | 0.327 |
| -0.3 | 75.0 | 0.528 | 0.279 |
| -0.3 | 105.0 | 1.31 | 0.315 |
| -0.3 | 135.0 | 0.837 | 0.314 |
| -0.3 | 225.0 | 0.745 | 0.315 |
| -0.3 | 255.0 | 0.933 | 0.238 |
| -0.3 | 285.0 | 1.31 | 0.487 |
| -0.3 | 315.0 | 1.74 | 0.697 |
| -0.3 | 345.0 | 0.497 | 0.143 |
| -0.1 | 15.0 | 0.508 | 0.254 |
| -0.1 | 45.0 | 0.805 | 0.311 |
| -0.1 | 75.0 | 1.38 | 0.399 |
| -0.1 | 105.0 | 1.44 | 0.339 |
| -0.1 | 135.0 | 1.44 | 0.687 |
| -0.1 | 225.0 | 3.77 | 1.66 |
| -0.1 | 255.0 | 1.11 | 0.291 |
| -0.1 | 285.0 | 1.72 | 0.489 |
| -0.1 | 315.0 | 0.658 | 0.29 |
| -0.1 | 345.0 | 0.0857 | 0.0873 |
| 0.1 | 15.0 | 1.79 | 0.896 |
| 0.1 | 45.0 | 0.345 | 0.209 |
| 0.1 | 75.0 | 1.25 | 0.329 |
| 0.1 | 105.0 | 2.07 | 0.517 |
| 0.1 | 135.0 | 1.67 | 0.951 |
| 0.1 | 165.0 | 6.7 | 5.84 |
| 0.1 | 195.0 | 0.538 | 0.347 |
| 0.1 | 225.0 | 1.49 | 0.637 |
| 0.1 | 255.0 | 1.28 | 0.334 |
| 0.1 | 285.0 | 1.34 | 0.349 |
| 0.1 | 315.0 | 0.867 | 0.338 |
| 0.1 | 345.0 | 1.06 | 0.482 |
| 0.3 | 15.0 | 1.78 | 1.46 |
| 0.3 | 45.0 | 1.1 | 0.424 |
| 0.3 | 75.0 | 1.13 | 0.327 |
| 0.3 | 105.0 | 1.65 | 0.419 |
| 0.3 | 135.0 | 1.12 | 0.628 |
| 0.3 | 165.0 | 1.46 | 0.581 |
| 0.3 | 195.0 | 0.783 | 0.422 |
| 0.3 | 225.0 | 1.48 | 0.63 |
| 0.3 | 255.0 | 0.955 | 0.252 |
| 0.3 | 285.0 | 0.629 | 0.183 |
| 0.3 | 315.0 | 0.767 | 0.306 |
| 0.3 | 345.0 | 0.38 | 0.207 |
| 0.5 | 15.0 | 0.0758 | 0.0788 |
| 0.5 | 45.0 | 0.528 | 0.26 |
| 0.5 | 75.0 | 1.37 | 0.348 |
| 0.5 | 105.0 | 0.741 | 0.217 |
| 0.5 | 135.0 | 2.89 | 1.18 |
| 0.5 | 165.0 | 0.177 | 0.132 |
| 0.5 | 195.0 | 2.03 | 1.03 |
| 0.5 | 225.0 | 1.29 | 0.608 |
| 0.5 | 255.0 | 0.542 | 0.194 |
| 0.5 | 285.0 | 1.27 | 0.32 |
| 0.5 | 315.0 | 0.907 | 0.354 |
| 0.5 | 345.0 | 0.909 | 0.419 |
| 0.7 | 15.0 | 0.493 | 0.207 |
| 0.7 | 45.0 | 0.809 | 0.362 |
| 0.7 | 75.0 | 1.69 | 0.427 |
| 0.7 | 105.0 | 0.833 | 0.27 |
| 0.7 | 135.0 | 3.21 | 1.42 |
| 0.7 | 165.0 | 0.453 | 0.254 |
| 0.7 | 195.0 | 1.0 | 0.685 |
| 0.7 | 225.0 | 0.805 | 0.474 |
| 0.7 | 255.0 | 0.565 | 0.252 |
| 0.7 | 285.0 | 1.34 | 0.398 |
| 0.7 | 315.0 | 0.641 | 0.282 |
| 0.7 | 345.0 | 0.837 | 0.361 |
| 0.9 | 15.0 | 1.48 | 1.14 |
| 0.9 | 45.0 | 3.35 | 1.83 |
| 0.9 | 75.0 | 1.5 | 0.453 |
| 0.9 | 105.0 | 0.639 | 0.24 |
| 0.9 | 135.0 | 0.561 | 0.437 |
| 0.9 | 165.0 | 1.3 | 1.03 |
| 0.9 | 225.0 | 0.234 | 0.241 |
| 0.9 | 255.0 | 0.862 | 0.284 |
| 0.9 | 285.0 | 1.55 | 0.427 |
| 0.9 | 315.0 | 0.757 | 0.372 |
| 0.9 | 345.0 | 0.763 | 0.403 |
Experiment comment: