Measurement E9M45
| 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: | 1.3 — 1.6 GeV2 | |
| W: | 1.38 GeV | |
| ε: | 0.6 | |
| 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 | 0.145 | 0.0764 |
| -0.9 | 45.0 | 0.543 | 0.256 |
| -0.9 | 75.0 | 0.459 | 0.258 |
| -0.9 | 105.0 | 0.246 | 0.143 |
| -0.9 | 135.0 | 0.729 | 0.385 |
| -0.9 | 165.0 | 0.571 | 0.249 |
| -0.9 | 195.0 | 0.311 | 0.154 |
| -0.9 | 225.0 | 0.395 | 0.209 |
| -0.9 | 255.0 | 1.49 | 0.776 |
| -0.9 | 285.0 | 0.218 | 0.113 |
| -0.9 | 315.0 | 0.0982 | 0.0783 |
| -0.9 | 345.0 | 0.201 | 0.101 |
| -0.7 | 15.0 | 0.211 | 0.0868 |
| -0.7 | 45.0 | 0.734 | 0.279 |
| -0.7 | 75.0 | 0.405 | 0.166 |
| -0.7 | 105.0 | 0.835 | 0.429 |
| -0.7 | 135.0 | 0.444 | 0.214 |
| -0.7 | 165.0 | 0.936 | 0.402 |
| -0.7 | 195.0 | 0.382 | 0.169 |
| -0.7 | 225.0 | 0.521 | 0.223 |
| -0.7 | 255.0 | 1.07 | 0.567 |
| -0.7 | 285.0 | 0.56 | 0.201 |
| -0.7 | 315.0 | 0.639 | 0.227 |
| -0.7 | 345.0 | 0.345 | 0.144 |
| -0.5 | 15.0 | 0.435 | 0.156 |
| -0.5 | 45.0 | 0.549 | 0.191 |
| -0.5 | 75.0 | 0.798 | 0.306 |
| -0.5 | 105.0 | 0.98 | 0.402 |
| -0.5 | 135.0 | 1.92 | 0.935 |
| -0.5 | 165.0 | 0.146 | 0.0919 |
| -0.5 | 195.0 | 2.19 | 0.98 |
| -0.5 | 225.0 | 0.734 | 0.388 |
| -0.5 | 255.0 | 1.47 | 0.671 |
| -0.5 | 285.0 | 1.96 | 0.778 |
| -0.5 | 315.0 | 1.22 | 0.4 |
| -0.5 | 345.0 | 0.13 | 0.078 |
| -0.3 | 15.0 | 0.82 | 0.263 |
| -0.3 | 45.0 | 1.23 | 0.361 |
| -0.3 | 75.0 | 0.969 | 0.3 |
| -0.3 | 105.0 | 1.52 | 0.559 |
| -0.3 | 135.0 | 1.36 | 0.843 |
| -0.3 | 165.0 | 1.11 | 0.723 |
| -0.3 | 195.0 | 1.04 | 0.438 |
| -0.3 | 225.0 | 1.56 | 0.719 |
| -0.3 | 255.0 | 3.01 | 1.1 |
| -0.3 | 285.0 | 1.04 | 0.416 |
| -0.3 | 315.0 | 0.793 | 0.242 |
| -0.3 | 345.0 | 0.764 | 0.247 |
| -0.1 | 15.0 | 0.765 | 0.218 |
| -0.1 | 45.0 | 0.745 | 0.251 |
| -0.1 | 75.0 | 1.57 | 0.431 |
| -0.1 | 105.0 | 0.878 | 0.349 |
| -0.1 | 135.0 | 1.8 | 0.848 |
| -0.1 | 165.0 | 0.79 | 0.916 |
| -0.1 | 195.0 | 4.79 | 4.39 |
| -0.1 | 225.0 | 2.43 | 1.28 |
| -0.1 | 255.0 | 1.42 | 0.45 |
| -0.1 | 285.0 | 1.41 | 0.401 |
| -0.1 | 315.0 | 1.64 | 0.511 |
| -0.1 | 345.0 | 0.52 | 0.159 |
| 0.1 | 15.0 | 0.732 | 0.221 |
| 0.1 | 45.0 | 1.15 | 0.298 |
| 0.1 | 75.0 | 1.23 | 0.374 |
| 0.1 | 105.0 | 1.01 | 0.371 |
| 0.1 | 135.0 | 1.87 | 0.829 |
| 0.1 | 165.0 | 1.37 | 1.26 |
| 0.1 | 195.0 | 3.27 | 2.86 |
| 0.1 | 225.0 | 1.32 | 0.637 |
| 0.1 | 255.0 | 1.42 | 0.467 |
| 0.1 | 285.0 | 1.87 | 0.526 |
| 0.1 | 315.0 | 1.61 | 0.435 |
| 0.1 | 345.0 | 1.04 | 0.283 |
| 0.3 | 15.0 | 1.17 | 0.292 |
| 0.3 | 45.0 | 0.689 | 0.242 |
| 0.3 | 75.0 | 1.21 | 0.405 |
| 0.3 | 105.0 | 2.21 | 0.71 |
| 0.3 | 135.0 | 1.56 | 0.733 |
| 0.3 | 165.0 | 1.42 | 1.3 |
| 0.3 | 225.0 | 0.377 | 0.191 |
| 0.3 | 255.0 | 1.09 | 0.463 |
| 0.3 | 285.0 | 0.802 | 0.277 |
| 0.3 | 315.0 | 1.31 | 0.47 |
| 0.3 | 345.0 | 2.35 | 0.733 |
| 0.5 | 15.0 | 0.811 | 0.254 |
| 0.5 | 45.0 | 1.28 | 0.472 |
| 0.5 | 75.0 | 1.43 | 0.472 |
| 0.5 | 105.0 | 0.86 | 0.329 |
| 0.5 | 135.0 | 1.46 | 0.569 |
| 0.5 | 225.0 | 1.04 | 0.461 |
| 0.5 | 255.0 | 0.757 | 0.337 |
| 0.5 | 285.0 | 1.02 | 0.376 |
| 0.5 | 315.0 | 1.35 | 0.435 |
| 0.5 | 345.0 | 0.945 | 0.294 |
| 0.7 | 15.0 | 0.511 | 0.187 |
| 0.7 | 45.0 | 0.876 | 0.335 |
| 0.7 | 75.0 | 0.253 | 0.102 |
| 0.7 | 135.0 | 0.9 | 0.471 |
| 0.7 | 165.0 | 1.09 | 1.54 |
| 0.7 | 195.0 | 1.75 | 1.77 |
| 0.7 | 225.0 | 0.588 | 0.354 |
| 0.7 | 255.0 | 0.832 | 0.496 |
| 0.7 | 285.0 | 1.83 | 0.695 |
| 0.7 | 315.0 | 0.583 | 0.224 |
| 0.7 | 345.0 | 0.62 | 0.313 |
| 0.9 | 15.0 | 0.271 | 0.16 |
| 0.9 | 45.0 | 1.18 | 0.641 |
| 0.9 | 75.0 | 0.26 | 0.137 |
| 0.9 | 105.0 | 0.3 | 0.178 |
| 0.9 | 135.0 | 0.496 | 0.343 |
| 0.9 | 165.0 | 1.6 | 1.07 |
| 0.9 | 195.0 | 1.01 | 0.685 |
| 0.9 | 225.0 | 0.676 | 0.377 |
| 0.9 | 255.0 | 1.21 | 1.31 |
| 0.9 | 285.0 | 1.92 | 1.65 |
| 0.9 | 315.0 | 1.24 | 0.682 |
| 0.9 | 345.0 | 0.831 | 0.606 |
Experiment comment: