Measurement E9M181
| 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: | 1.44 GeV | |
| ε: | 0.809 | |
| 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 | 0.0354 | 0.0365 |
| -0.9 | 45.0 | 0.143 | 0.0886 |
| -0.9 | 75.0 | 0.211 | 0.129 |
| -0.9 | 105.0 | 0.457 | 0.224 |
| -0.9 | 135.0 | 2.15 | 0.867 |
| -0.9 | 165.0 | 0.894 | 0.291 |
| -0.9 | 195.0 | 0.736 | 0.31 |
| -0.9 | 225.0 | 0.878 | 0.293 |
| -0.9 | 255.0 | 0.577 | 0.266 |
| -0.9 | 285.0 | 0.577 | 0.294 |
| -0.9 | 315.0 | 0.194 | 0.106 |
| -0.9 | 345.0 | 0.0622 | 0.0384 |
| -0.7 | 15.0 | 0.415 | 0.172 |
| -0.7 | 45.0 | 0.535 | 0.205 |
| -0.7 | 75.0 | 0.866 | 0.359 |
| -0.7 | 105.0 | 2.27 | 1.07 |
| -0.7 | 135.0 | 0.751 | 0.569 |
| -0.7 | 165.0 | 1.87 | 0.56 |
| -0.7 | 195.0 | 1.7 | 0.507 |
| -0.7 | 225.0 | 2.09 | 1.03 |
| -0.7 | 255.0 | 2.76 | 1.49 |
| -0.7 | 285.0 | 1.91 | 0.637 |
| -0.7 | 315.0 | 1.15 | 0.375 |
| -0.7 | 345.0 | 0.401 | 0.194 |
| -0.5 | 15.0 | 1.07 | 0.268 |
| -0.5 | 45.0 | 0.893 | 0.32 |
| -0.5 | 75.0 | 1.16 | 0.613 |
| -0.5 | 105.0 | 2.3 | 0.927 |
| -0.5 | 135.0 | 2.81 | 1.66 |
| -0.5 | 165.0 | 2.24 | 0.938 |
| -0.5 | 195.0 | 4.62 | 2.33 |
| -0.5 | 225.0 | 6.03 | 4.93 |
| -0.5 | 255.0 | 1.23 | 0.919 |
| -0.5 | 285.0 | 0.592 | 0.43 |
| -0.5 | 315.0 | 1.6 | 0.434 |
| -0.5 | 345.0 | 0.804 | 0.202 |
| -0.3 | 15.0 | 0.693 | 0.179 |
| -0.3 | 45.0 | 2.25 | 0.513 |
| -0.3 | 75.0 | 3.36 | 1.28 |
| -0.3 | 105.0 | 2.17 | 0.652 |
| -0.3 | 135.0 | 1.78 | 0.53 |
| -0.3 | 165.0 | 1.53 | 1.77 |
| -0.3 | 195.0 | 0.928 | 1.04 |
| -0.3 | 225.0 | 2.11 | 0.6 |
| -0.3 | 255.0 | 2.91 | 0.613 |
| -0.3 | 285.0 | 1.09 | 0.573 |
| -0.3 | 315.0 | 1.83 | 0.442 |
| -0.3 | 345.0 | 1.4 | 0.29 |
| -0.1 | 15.0 | 1.47 | 0.38 |
| -0.1 | 45.0 | 1.41 | 0.395 |
| -0.1 | 75.0 | 2.81 | 0.763 |
| -0.1 | 105.0 | 3.56 | 0.662 |
| -0.1 | 135.0 | 4.13 | 0.786 |
| -0.1 | 165.0 | 0.933 | 0.584 |
| -0.1 | 195.0 | 1.28 | 0.831 |
| -0.1 | 225.0 | 3.03 | 0.578 |
| -0.1 | 255.0 | 3.52 | 0.672 |
| -0.1 | 285.0 | 1.37 | 0.543 |
| -0.1 | 315.0 | 3.67 | 0.786 |
| -0.1 | 345.0 | 1.4 | 0.353 |
| 0.1 | 15.0 | 1.19 | 0.314 |
| 0.1 | 45.0 | 2.83 | 0.718 |
| 0.1 | 75.0 | 1.85 | 0.502 |
| 0.1 | 105.0 | 2.84 | 0.521 |
| 0.1 | 135.0 | 2.76 | 0.543 |
| 0.1 | 165.0 | 2.02 | 0.912 |
| 0.1 | 195.0 | 1.56 | 0.824 |
| 0.1 | 225.0 | 1.52 | 0.357 |
| 0.1 | 255.0 | 3.63 | 0.632 |
| 0.1 | 285.0 | 2.02 | 0.568 |
| 0.1 | 315.0 | 2.09 | 0.537 |
| 0.1 | 345.0 | 1.42 | 0.379 |
| 0.3 | 15.0 | 1.11 | 0.298 |
| 0.3 | 45.0 | 2.52 | 0.662 |
| 0.3 | 75.0 | 2.93 | 0.643 |
| 0.3 | 105.0 | 1.98 | 0.452 |
| 0.3 | 135.0 | 2.33 | 0.477 |
| 0.3 | 165.0 | 0.63 | 0.665 |
| 0.3 | 195.0 | 0.358 | 0.369 |
| 0.3 | 225.0 | 3.5 | 0.712 |
| 0.3 | 255.0 | 1.62 | 0.398 |
| 0.3 | 285.0 | 1.3 | 0.387 |
| 0.3 | 315.0 | 2.47 | 0.72 |
| 0.3 | 345.0 | 1.01 | 0.257 |
| 0.5 | 15.0 | 1.81 | 0.441 |
| 0.5 | 45.0 | 1.74 | 0.552 |
| 0.5 | 75.0 | 1.35 | 0.357 |
| 0.5 | 105.0 | 2.14 | 0.507 |
| 0.5 | 135.0 | 1.56 | 0.437 |
| 0.5 | 195.0 | 6.59 | 6.03 |
| 0.5 | 225.0 | 1.36 | 0.381 |
| 0.5 | 255.0 | 2.1 | 0.479 |
| 0.5 | 285.0 | 1.71 | 0.484 |
| 0.5 | 315.0 | 0.948 | 0.39 |
| 0.5 | 345.0 | 1.18 | 0.318 |
| 0.7 | 15.0 | 1.3 | 0.393 |
| 0.7 | 45.0 | 1.26 | 0.377 |
| 0.7 | 75.0 | 1.25 | 0.368 |
| 0.7 | 105.0 | 1.34 | 0.388 |
| 0.7 | 135.0 | 0.882 | 0.271 |
| 0.7 | 195.0 | 1.64 | 1.42 |
| 0.7 | 225.0 | 0.976 | 0.336 |
| 0.7 | 255.0 | 1.16 | 0.358 |
| 0.7 | 285.0 | 1.74 | 0.538 |
| 0.7 | 315.0 | 2.0 | 0.724 |
| 0.7 | 345.0 | 2.96 | 0.902 |
| 0.9 | 15.0 | 0.652 | 0.239 |
| 0.9 | 45.0 | 0.444 | 0.221 |
| 0.9 | 75.0 | 0.763 | 0.396 |
| 0.9 | 105.0 | 0.527 | 0.212 |
| 0.9 | 135.0 | 1.05 | 0.521 |
| 0.9 | 165.0 | 0.634 | 0.687 |
| 0.9 | 195.0 | 1.47 | 1.35 |
| 0.9 | 225.0 | 1.12 | 0.665 |
| 0.9 | 255.0 | 0.896 | 0.306 |
| 0.9 | 285.0 | 1.41 | 0.665 |
| 0.9 | 315.0 | 0.427 | 0.18 |
| 0.9 | 345.0 | 0.556 | 0.219 |
Experiment comment: