Measurement E9M218
| 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: | 1.58 GeV | |
| ε: | 0.698 | |
| 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 | 0.208 | 0.0993 |
| -0.9 | 45.0 | 0.465 | 0.198 |
| -0.9 | 75.0 | 1.0 | 0.566 |
| -0.9 | 105.0 | 0.839 | 0.333 |
| -0.9 | 135.0 | 1.47 | 0.793 |
| -0.9 | 165.0 | 0.871 | 0.486 |
| -0.9 | 195.0 | 0.565 | 0.357 |
| -0.9 | 225.0 | 1.08 | 0.527 |
| -0.9 | 255.0 | 1.37 | 0.725 |
| -0.9 | 285.0 | 0.32 | 0.171 |
| -0.9 | 315.0 | 0.178 | 0.096 |
| -0.9 | 345.0 | 0.407 | 0.172 |
| -0.7 | 15.0 | 0.565 | 0.18 |
| -0.7 | 45.0 | 1.08 | 0.422 |
| -0.7 | 75.0 | 0.3 | 0.314 |
| -0.7 | 105.0 | 2.19 | 1.2 |
| -0.7 | 165.0 | 1.17 | 1.36 |
| -0.7 | 195.0 | 1.11 | 1.28 |
| -0.7 | 225.0 | 2.08 | 1.91 |
| -0.7 | 255.0 | 1.26 | 0.734 |
| -0.7 | 285.0 | 0.482 | 0.232 |
| -0.7 | 315.0 | 0.673 | 0.293 |
| -0.7 | 345.0 | 0.977 | 0.267 |
| -0.5 | 15.0 | 0.302 | 0.104 |
| -0.5 | 45.0 | 0.648 | 0.235 |
| -0.5 | 75.0 | 0.719 | 0.333 |
| -0.5 | 105.0 | 5.27 | 2.2 |
| -0.5 | 135.0 | 1.25 | 0.441 |
| -0.5 | 195.0 | 1.74 | 2.14 |
| -0.5 | 225.0 | 0.245 | 0.129 |
| -0.5 | 255.0 | 0.802 | 0.254 |
| -0.5 | 285.0 | 0.486 | 0.219 |
| -0.5 | 315.0 | 0.445 | 0.216 |
| -0.5 | 345.0 | 0.541 | 0.18 |
| -0.3 | 15.0 | 0.873 | 0.252 |
| -0.3 | 45.0 | 0.95 | 0.332 |
| -0.3 | 75.0 | 1.61 | 0.546 |
| -0.3 | 105.0 | 0.926 | 0.232 |
| -0.3 | 135.0 | 0.666 | 0.232 |
| -0.3 | 225.0 | 1.28 | 0.356 |
| -0.3 | 255.0 | 1.25 | 0.298 |
| -0.3 | 285.0 | 0.88 | 0.33 |
| -0.3 | 315.0 | 0.832 | 0.313 |
| -0.3 | 345.0 | 1.1 | 0.286 |
| -0.1 | 15.0 | 1.22 | 0.452 |
| -0.1 | 45.0 | 0.85 | 0.349 |
| -0.1 | 75.0 | 0.863 | 0.28 |
| -0.1 | 105.0 | 2.78 | 0.584 |
| -0.1 | 135.0 | 1.34 | 0.539 |
| -0.1 | 225.0 | 1.4 | 0.493 |
| -0.1 | 255.0 | 1.5 | 0.362 |
| -0.1 | 285.0 | 2.28 | 0.57 |
| -0.1 | 315.0 | 1.0 | 0.371 |
| -0.1 | 345.0 | 0.446 | 0.186 |
| 0.1 | 15.0 | 1.12 | 0.475 |
| 0.1 | 45.0 | 2.3 | 0.852 |
| 0.1 | 75.0 | 1.22 | 0.302 |
| 0.1 | 105.0 | 1.45 | 0.311 |
| 0.1 | 135.0 | 1.57 | 0.65 |
| 0.1 | 165.0 | 1.91 | 1.91 |
| 0.1 | 195.0 | 4.22 | 3.24 |
| 0.1 | 225.0 | 1.01 | 0.418 |
| 0.1 | 255.0 | 2.14 | 0.442 |
| 0.1 | 285.0 | 2.15 | 0.546 |
| 0.1 | 315.0 | 0.751 | 0.334 |
| 0.1 | 345.0 | 0.462 | 0.213 |
| 0.3 | 15.0 | 0.915 | 0.547 |
| 0.3 | 45.0 | 0.462 | 0.224 |
| 0.3 | 75.0 | 1.45 | 0.349 |
| 0.3 | 105.0 | 1.39 | 0.35 |
| 0.3 | 135.0 | 0.767 | 0.387 |
| 0.3 | 165.0 | 2.48 | 1.31 |
| 0.3 | 195.0 | 1.71 | 0.994 |
| 0.3 | 225.0 | 1.79 | 0.84 |
| 0.3 | 255.0 | 1.85 | 0.404 |
| 0.3 | 285.0 | 1.63 | 0.41 |
| 0.3 | 315.0 | 0.876 | 0.297 |
| 0.3 | 345.0 | 0.925 | 0.464 |
| 0.5 | 15.0 | 0.566 | 0.258 |
| 0.5 | 45.0 | 0.828 | 0.32 |
| 0.5 | 75.0 | 1.44 | 0.375 |
| 0.5 | 105.0 | 1.4 | 0.337 |
| 0.5 | 135.0 | 2.11 | 1.01 |
| 0.5 | 165.0 | 0.978 | 0.452 |
| 0.5 | 195.0 | 1.21 | 0.484 |
| 0.5 | 225.0 | 2.84 | 1.44 |
| 0.5 | 255.0 | 0.604 | 0.164 |
| 0.5 | 285.0 | 1.59 | 0.427 |
| 0.5 | 315.0 | 0.417 | 0.227 |
| 0.5 | 345.0 | 1.49 | 0.876 |
| 0.7 | 15.0 | 0.828 | 0.336 |
| 0.7 | 45.0 | 1.02 | 0.464 |
| 0.7 | 75.0 | 0.64 | 0.195 |
| 0.7 | 105.0 | 0.725 | 0.246 |
| 0.7 | 135.0 | 0.531 | 0.24 |
| 0.7 | 165.0 | 2.13 | 2.14 |
| 0.7 | 195.0 | 0.973 | 0.454 |
| 0.7 | 225.0 | 2.36 | 1.44 |
| 0.7 | 255.0 | 1.41 | 0.384 |
| 0.7 | 285.0 | 1.23 | 0.374 |
| 0.7 | 315.0 | 0.239 | 0.151 |
| 0.7 | 345.0 | 0.225 | 0.144 |
| 0.9 | 15.0 | 0.175 | 0.114 |
| 0.9 | 45.0 | 0.813 | 0.446 |
| 0.9 | 75.0 | 0.681 | 0.311 |
| 0.9 | 105.0 | 0.657 | 0.231 |
| 0.9 | 135.0 | 0.102 | 0.106 |
| 0.9 | 195.0 | 1.34 | 1.9 |
| 0.9 | 225.0 | 0.76 | 0.599 |
| 0.9 | 255.0 | 0.551 | 0.192 |
| 0.9 | 285.0 | 1.03 | 0.408 |
| 0.9 | 315.0 | 2.83 | 1.49 |
| 0.9 | 345.0 | 1.55 | 1.02 |
Experiment comment: