Measurement E9M280
| 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: | 1.0 — 1.3 GeV2 | |
| W: | 1.62 GeV | |
| ε: | 0.521 | |
| 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 | 0.233 | 0.093 |
| -0.9 | 45.0 | 0.764 | 0.325 |
| -0.9 | 75.0 | 1.07 | 0.571 |
| -0.9 | 105.0 | 0.755 | 0.464 |
| -0.9 | 135.0 | 2.22 | 1.84 |
| -0.9 | 165.0 | 0.135 | 0.143 |
| -0.9 | 195.0 | 0.314 | 0.21 |
| -0.9 | 225.0 | 0.179 | 0.195 |
| -0.9 | 255.0 | 0.796 | 0.379 |
| -0.9 | 285.0 | 0.528 | 0.224 |
| -0.9 | 315.0 | 0.667 | 0.226 |
| -0.9 | 345.0 | 0.287 | 0.098 |
| -0.7 | 15.0 | 0.231 | 0.0741 |
| -0.7 | 45.0 | 0.333 | 0.126 |
| -0.7 | 75.0 | 0.553 | 0.242 |
| -0.7 | 105.0 | 0.773 | 0.472 |
| -0.7 | 135.0 | 0.274 | 0.159 |
| -0.7 | 195.0 | 0.265 | 0.307 |
| -0.7 | 225.0 | 0.182 | 0.2 |
| -0.7 | 255.0 | 0.17 | 0.0978 |
| -0.7 | 285.0 | 0.376 | 0.184 |
| -0.7 | 315.0 | 0.4 | 0.163 |
| -0.7 | 345.0 | 0.309 | 0.0816 |
| -0.5 | 15.0 | 0.0717 | 0.0431 |
| -0.5 | 45.0 | 0.232 | 0.0974 |
| -0.5 | 75.0 | 0.8 | 0.273 |
| -0.5 | 105.0 | 0.133 | 0.0811 |
| -0.5 | 135.0 | 0.98 | 0.405 |
| -0.5 | 225.0 | 0.402 | 0.231 |
| -0.5 | 255.0 | 0.643 | 0.227 |
| -0.5 | 285.0 | 0.203 | 0.0996 |
| -0.5 | 315.0 | 0.726 | 0.259 |
| -0.5 | 345.0 | 0.0667 | 0.0487 |
| -0.3 | 15.0 | 0.172 | 0.131 |
| -0.3 | 45.0 | 0.274 | 0.132 |
| -0.3 | 75.0 | 0.741 | 0.256 |
| -0.3 | 105.0 | 1.02 | 0.263 |
| -0.3 | 135.0 | 0.64 | 0.228 |
| -0.3 | 225.0 | 1.01 | 0.366 |
| -0.3 | 255.0 | 0.979 | 0.297 |
| -0.3 | 285.0 | 0.653 | 0.248 |
| -0.3 | 315.0 | 0.88 | 0.348 |
| -0.1 | 15.0 | 0.389 | 0.217 |
| -0.1 | 45.0 | 0.673 | 0.234 |
| -0.1 | 75.0 | 0.83 | 0.241 |
| -0.1 | 105.0 | 0.61 | 0.14 |
| -0.1 | 135.0 | 0.411 | 0.206 |
| -0.1 | 165.0 | 2.78 | 3.94 |
| -0.1 | 225.0 | 0.682 | 0.275 |
| -0.1 | 255.0 | 0.865 | 0.197 |
| -0.1 | 285.0 | 0.703 | 0.19 |
| -0.1 | 315.0 | 0.466 | 0.193 |
| -0.1 | 345.0 | 0.215 | 0.161 |
| 0.1 | 15.0 | 0.2 | 0.123 |
| 0.1 | 45.0 | 0.558 | 0.179 |
| 0.1 | 75.0 | 1.35 | 0.315 |
| 0.1 | 105.0 | 0.945 | 0.185 |
| 0.1 | 135.0 | 0.232 | 0.141 |
| 0.1 | 165.0 | 1.65 | 1.27 |
| 0.1 | 195.0 | 0.835 | 0.702 |
| 0.1 | 225.0 | 0.327 | 0.176 |
| 0.1 | 255.0 | 1.21 | 0.244 |
| 0.1 | 285.0 | 1.4 | 0.317 |
| 0.1 | 315.0 | 0.375 | 0.118 |
| 0.1 | 345.0 | 0.601 | 0.39 |
| 0.3 | 15.0 | 0.557 | 0.297 |
| 0.3 | 45.0 | 0.302 | 0.111 |
| 0.3 | 75.0 | 0.931 | 0.222 |
| 0.3 | 105.0 | 0.93 | 0.224 |
| 0.3 | 135.0 | 0.997 | 0.356 |
| 0.3 | 165.0 | 0.73 | 0.409 |
| 0.3 | 195.0 | 2.67 | 1.53 |
| 0.3 | 225.0 | 1.44 | 0.561 |
| 0.3 | 255.0 | 0.517 | 0.13 |
| 0.3 | 285.0 | 1.07 | 0.255 |
| 0.3 | 315.0 | 0.704 | 0.237 |
| 0.3 | 345.0 | 0.462 | 0.272 |
| 0.5 | 15.0 | 1.27 | 0.582 |
| 0.5 | 45.0 | 0.64 | 0.197 |
| 0.5 | 75.0 | 1.03 | 0.273 |
| 0.5 | 105.0 | 0.717 | 0.181 |
| 0.5 | 135.0 | 0.888 | 0.333 |
| 0.5 | 165.0 | 0.567 | 0.253 |
| 0.5 | 195.0 | 0.421 | 0.225 |
| 0.5 | 225.0 | 0.865 | 0.395 |
| 0.5 | 255.0 | 0.65 | 0.172 |
| 0.5 | 285.0 | 0.664 | 0.161 |
| 0.5 | 315.0 | 0.404 | 0.129 |
| 0.5 | 345.0 | 0.394 | 0.214 |
| 0.7 | 15.0 | 1.19 | 0.515 |
| 0.7 | 45.0 | 0.407 | 0.15 |
| 0.7 | 75.0 | 1.04 | 0.278 |
| 0.7 | 105.0 | 0.315 | 0.115 |
| 0.7 | 135.0 | 0.937 | 0.374 |
| 0.7 | 165.0 | 0.398 | 0.227 |
| 0.7 | 195.0 | 0.443 | 0.269 |
| 0.7 | 225.0 | 1.28 | 0.636 |
| 0.7 | 255.0 | 0.565 | 0.161 |
| 0.7 | 285.0 | 0.588 | 0.163 |
| 0.7 | 315.0 | 0.68 | 0.212 |
| 0.7 | 345.0 | 0.457 | 0.165 |
| 0.9 | 15.0 | 0.384 | 0.217 |
| 0.9 | 45.0 | 0.477 | 0.238 |
| 0.9 | 75.0 | 0.658 | 0.207 |
| 0.9 | 105.0 | 1.02 | 0.307 |
| 0.9 | 135.0 | 0.0779 | 0.0807 |
| 0.9 | 195.0 | 2.25 | 2.77 |
| 0.9 | 225.0 | 0.192 | 0.143 |
| 0.9 | 255.0 | 0.696 | 0.234 |
| 0.9 | 285.0 | 0.966 | 0.317 |
| 0.9 | 315.0 | 1.52 | 0.799 |
| 0.9 | 345.0 | 0.451 | 0.278 |
Experiment comment: