Measurement E9M235
| 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: | 1.32 GeV | |
| ε: | 0.795 | |
| 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 | syst. uncert. |
|---|---|---|---|---|
| -0.9 | 15.0 | 0.955 | 0.249 | 0.0674 |
| -0.9 | 45.0 | 2.2 | 0.55 | 0.2745 |
| -0.9 | 75.0 | 1.47 | 0.348 | 0.3167 |
| -0.9 | 105.0 | 0.739 | 0.238 | 0.1562 |
| -0.9 | 135.0 | 1.08 | 0.298 | 0.1985 |
| -0.9 | 165.0 | 1.2 | 0.351 | 0.2265 |
| -0.9 | 195.0 | 1.57 | 0.419 | 0.3528 |
| -0.9 | 225.0 | 0.582 | 0.167 | 0.269 |
| -0.9 | 255.0 | 1.18 | 0.323 | 0.2887 |
| -0.9 | 285.0 | 1.79 | 0.482 | 0.4067 |
| -0.9 | 315.0 | 1.36 | 0.329 | 0.1433 |
| -0.9 | 345.0 | 1.4 | 0.362 | 0.0748 |
| -0.7 | 15.0 | 1.63 | 0.32 | 0.1953 |
| -0.7 | 45.0 | 2.07 | 0.372 | 0.0893 |
| -0.7 | 75.0 | 2.09 | 0.404 | 0.486 |
| -0.7 | 105.0 | 1.63 | 0.368 | 0.3782 |
| -0.7 | 135.0 | 1.45 | 0.383 | 0.2961 |
| -0.7 | 165.0 | 1.67 | 0.396 | 0.2704 |
| -0.7 | 195.0 | 1.81 | 0.418 | 0.4636 |
| -0.7 | 225.0 | 2.12 | 0.455 | 0.2397 |
| -0.7 | 255.0 | 3.07 | 0.653 | 0.3197 |
| -0.7 | 285.0 | 3.3 | 0.651 | 0.5456 |
| -0.7 | 315.0 | 1.94 | 0.397 | 0.0977 |
| -0.7 | 345.0 | 1.76 | 0.342 | 0.1347 |
| -0.5 | 15.0 | 1.68 | 0.275 | 0.1638 |
| -0.5 | 45.0 | 2.69 | 0.418 | 0.2486 |
| -0.5 | 75.0 | 3.56 | 0.595 | 0.1784 |
| -0.5 | 105.0 | 3.89 | 0.746 | 0.2224 |
| -0.5 | 135.0 | 3.69 | 0.802 | 0.4745 |
| -0.5 | 165.0 | 1.94 | 0.422 | 0.1774 |
| -0.5 | 195.0 | 1.6 | 0.318 | 0.5236 |
| -0.5 | 225.0 | 2.03 | 0.44 | 0.2549 |
| -0.5 | 255.0 | 3.48 | 0.731 | 0.4567 |
| -0.5 | 285.0 | 3.6 | 0.6 | 0.3369 |
| -0.5 | 315.0 | 2.87 | 0.435 | 0.2019 |
| -0.5 | 345.0 | 1.64 | 0.269 | 0.2868 |
| -0.3 | 15.0 | 1.48 | 0.249 | 0.1263 |
| -0.3 | 45.0 | 2.19 | 0.346 | 0.1383 |
| -0.3 | 75.0 | 4.43 | 0.723 | 0.2046 |
| -0.3 | 105.0 | 3.63 | 0.782 | 0.2863 |
| -0.3 | 135.0 | 2.38 | 0.727 | 0.1704 |
| -0.3 | 165.0 | 1.9 | 0.46 | 0.2889 |
| -0.3 | 195.0 | 1.72 | 0.396 | 0.4801 |
| -0.3 | 225.0 | 1.66 | 0.504 | 0.3675 |
| -0.3 | 255.0 | 7.16 | 1.64 | 1.3132 |
| -0.3 | 285.0 | 3.81 | 0.647 | 0.2264 |
| -0.3 | 315.0 | 2.85 | 0.41 | 0.0977 |
| -0.3 | 345.0 | 1.91 | 0.319 | 0.0733 |
| -0.1 | 15.0 | 1.6 | 0.266 | 0.2055 |
| -0.1 | 45.0 | 2.67 | 0.381 | 0.2736 |
| -0.1 | 75.0 | 5.02 | 0.866 | 0.4277 |
| -0.1 | 105.0 | 3.09 | 0.694 | 0.1609 |
| -0.1 | 135.0 | 3.8 | 1.28 | 0.5687 |
| -0.1 | 165.0 | 2.16 | 0.474 | 0.3397 |
| -0.1 | 195.0 | 2.23 | 0.528 | 0.4257 |
| -0.1 | 225.0 | 3.65 | 1.01 | 0.8289 |
| -0.1 | 255.0 | 6.35 | 1.43 | 0.8299 |
| -0.1 | 285.0 | 3.78 | 0.639 | 0.4898 |
| -0.1 | 315.0 | 3.42 | 0.464 | 0.0955 |
| -0.1 | 345.0 | 2.24 | 0.365 | 0.3333 |
| 0.1 | 15.0 | 2.2 | 0.409 | 0.2487 |
| 0.1 | 45.0 | 3.09 | 0.433 | 0.061 |
| 0.1 | 75.0 | 3.73 | 0.762 | 0.2337 |
| 0.1 | 105.0 | 4.34 | 0.97 | 0.3835 |
| 0.1 | 135.0 | 2.96 | 1.01 | 0.6023 |
| 0.1 | 165.0 | 3.05 | 0.8 | 0.6282 |
| 0.1 | 195.0 | 2.0 | 0.497 | 0.1767 |
| 0.1 | 225.0 | 3.97 | 1.18 | 0.5021 |
| 0.1 | 255.0 | 3.22 | 0.718 | 1.7592 |
| 0.1 | 285.0 | 4.6 | 0.8 | 0.4701 |
| 0.1 | 315.0 | 2.76 | 0.387 | 0.3706 |
| 0.1 | 345.0 | 2.73 | 0.438 | 0.4823 |
| 0.3 | 15.0 | 2.1 | 0.362 | 0.0406 |
| 0.3 | 45.0 | 2.55 | 0.393 | 0.2856 |
| 0.3 | 75.0 | 4.07 | 0.754 | 0.2379 |
| 0.3 | 105.0 | 5.41 | 1.05 | 0.193 |
| 0.3 | 135.0 | 4.66 | 1.34 | 0.6932 |
| 0.3 | 165.0 | 1.31 | 0.425 | 1.0903 |
| 0.3 | 195.0 | 1.55 | 0.464 | 1.2778 |
| 0.3 | 225.0 | 4.0 | 1.45 | 0.8927 |
| 0.3 | 255.0 | 4.66 | 1.06 | 0.6238 |
| 0.3 | 285.0 | 3.32 | 0.654 | 0.3796 |
| 0.3 | 315.0 | 3.45 | 0.478 | 0.5684 |
| 0.3 | 345.0 | 2.02 | 0.348 | 0.2066 |
| 0.5 | 15.0 | 1.83 | 0.309 | 0.1044 |
| 0.5 | 45.0 | 2.13 | 0.352 | 0.077 |
| 0.5 | 75.0 | 2.69 | 0.552 | 0.1619 |
| 0.5 | 105.0 | 2.99 | 0.717 | 0.3459 |
| 0.5 | 135.0 | 7.12 | 2.06 | 1.7498 |
| 0.5 | 165.0 | 1.63 | 0.475 | 0.1853 |
| 0.5 | 195.0 | 2.31 | 0.684 | 0.5445 |
| 0.5 | 225.0 | 3.69 | 1.13 | 1.1471 |
| 0.5 | 255.0 | 3.78 | 0.8 | 0.6436 |
| 0.5 | 285.0 | 2.04 | 0.418 | 0.6338 |
| 0.5 | 315.0 | 3.74 | 0.586 | 0.7455 |
| 0.5 | 345.0 | 2.0 | 0.368 | 0.1494 |
| 0.7 | 15.0 | 1.19 | 0.229 | 0.0602 |
| 0.7 | 45.0 | 1.87 | 0.343 | 0.032 |
| 0.7 | 75.0 | 2.74 | 0.536 | 0.6103 |
| 0.7 | 105.0 | 2.69 | 0.739 | 0.4516 |
| 0.7 | 135.0 | 1.66 | 0.502 | 1.7049 |
| 0.7 | 165.0 | 2.04 | 0.6 | 0.1862 |
| 0.7 | 195.0 | 2.71 | 0.732 | 0.4489 |
| 0.7 | 225.0 | 3.19 | 0.963 | 1.0035 |
| 0.7 | 255.0 | 2.35 | 0.621 | 0.1716 |
| 0.7 | 285.0 | 2.46 | 0.54 | 0.1317 |
| 0.7 | 315.0 | 1.52 | 0.28 | 0.1136 |
| 0.7 | 345.0 | 0.874 | 0.191 | 0.1436 |
| 0.9 | 15.0 | 1.12 | 0.269 | 0.0718 |
| 0.9 | 45.0 | 0.513 | 0.174 | 0.1461 |
| 0.9 | 75.0 | 0.85 | 0.232 | 0.3008 |
| 0.9 | 105.0 | 1.5 | 0.478 | 0.4305 |
| 0.9 | 135.0 | 2.14 | 0.68 | 0.6868 |
| 0.9 | 165.0 | 1.6 | 0.441 | 1.3603 |
| 0.9 | 195.0 | 1.96 | 0.559 | 0.3125 |
| 0.9 | 225.0 | 1.71 | 0.559 | 0.3956 |
| 0.9 | 255.0 | 1.32 | 0.518 | 0.3443 |
| 0.9 | 285.0 | 2.9 | 0.701 | 0.6895 |
| 0.9 | 315.0 | 2.15 | 0.511 | 0.477 |
| 0.9 | 345.0 | 0.649 | 0.186 | 0.0905 |
Experiment comment: