Measurement E9M61
| 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: | 1.6 — 2.0 GeV2 | |
| W: | 1.12 GeV | |
| ε: | 0.632 | |
| 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 | 135.0 | 0.26 | 0.316 |
| -0.9 | 165.0 | 0.0216 | 0.0187 |
| -0.9 | 195.0 | 0.195 | 0.234 |
| -0.9 | 225.0 | 2.0 | 2.54 |
| -0.9 | 255.0 | 0.471 | 0.552 |
| -0.7 | 75.0 | 0.239 | 0.291 |
| -0.7 | 105.0 | 0.139 | 0.169 |
| -0.7 | 135.0 | 0.566 | 0.451 |
| -0.7 | 165.0 | 1.6 | 1.35 |
| -0.7 | 195.0 | 0.249 | 0.203 |
| -0.7 | 225.0 | 0.173 | 0.191 |
| -0.7 | 255.0 | 0.0251 | 0.0326 |
| -0.7 | 315.0 | 0.353 | 0.523 |
| -0.5 | 15.0 | 0.595 | 0.769 |
| -0.5 | 45.0 | 0.836 | 1.17 |
| -0.5 | 75.0 | 0.141 | 0.117 |
| -0.5 | 135.0 | 0.859 | 0.658 |
| -0.5 | 165.0 | 0.839 | 0.494 |
| -0.5 | 195.0 | 0.226 | 0.254 |
| -0.5 | 225.0 | 1.17 | 1.05 |
| -0.5 | 255.0 | 0.389 | 0.319 |
| -0.5 | 285.0 | 0.165 | 0.131 |
| -0.5 | 315.0 | 0.143 | 0.159 |
| -0.3 | 15.0 | 1.37 | 1.33 |
| -0.3 | 75.0 | 0.446 | 0.59 |
| -0.3 | 135.0 | 0.212 | 0.228 |
| -0.3 | 165.0 | 0.567 | 0.468 |
| -0.3 | 195.0 | 0.33 | 0.176 |
| -0.3 | 225.0 | 1.1 | 0.793 |
| -0.3 | 255.0 | 0.846 | 0.69 |
| -0.3 | 285.0 | 1.44 | 1.81 |
| -0.3 | 315.0 | 0.411 | 0.386 |
| -0.3 | 345.0 | 1.23 | 1.39 |
| -0.1 | 15.0 | 0.0238 | 0.0266 |
| -0.1 | 45.0 | 0.0411 | 0.0366 |
| -0.1 | 75.0 | 1.43 | 1.78 |
| -0.1 | 105.0 | 10.1 | 11.7 |
| -0.1 | 135.0 | 0.847 | 0.639 |
| -0.1 | 165.0 | 0.575 | 0.301 |
| -0.1 | 195.0 | 1.21 | 0.659 |
| -0.1 | 225.0 | 0.398 | 0.232 |
| -0.1 | 285.0 | 0.0897 | 0.0996 |
| -0.1 | 315.0 | 0.477 | 0.468 |
| 0.1 | 15.0 | 2.71 | 2.3 |
| 0.1 | 45.0 | 0.103 | 0.0687 |
| 0.1 | 75.0 | 0.238 | 0.282 |
| 0.1 | 105.0 | 8.47 | 7.61 |
| 0.1 | 135.0 | 0.777 | 0.572 |
| 0.1 | 165.0 | 0.126 | 0.0992 |
| 0.1 | 195.0 | 0.247 | 0.147 |
| 0.1 | 225.0 | 1.35 | 0.928 |
| 0.1 | 255.0 | 0.691 | 0.398 |
| 0.1 | 285.0 | 2.43 | 2.78 |
| 0.1 | 345.0 | 0.378 | 0.285 |
| 0.3 | 15.0 | 0.459 | 0.47 |
| 0.3 | 45.0 | 0.81 | 0.923 |
| 0.3 | 75.0 | 0.144 | 0.113 |
| 0.3 | 105.0 | 0.167 | 0.177 |
| 0.3 | 135.0 | 0.463 | 0.491 |
| 0.3 | 165.0 | 0.206 | 0.138 |
| 0.3 | 195.0 | 0.749 | 0.579 |
| 0.3 | 225.0 | 1.44 | 0.888 |
| 0.3 | 255.0 | 0.141 | 0.107 |
| 0.3 | 285.0 | 2.05 | 2.55 |
| 0.3 | 345.0 | 0.638 | 0.503 |
| 0.5 | 15.0 | 0.4 | 0.285 |
| 0.5 | 45.0 | 0.236 | 0.256 |
| 0.5 | 75.0 | 0.518 | 0.451 |
| 0.5 | 105.0 | 1.02 | 0.949 |
| 0.5 | 135.0 | 0.0841 | 0.065 |
| 0.5 | 165.0 | 0.265 | 0.225 |
| 0.5 | 195.0 | 0.382 | 0.257 |
| 0.5 | 225.0 | 1.14 | 0.711 |
| 0.5 | 255.0 | 0.801 | 0.505 |
| 0.5 | 285.0 | 0.467 | 0.375 |
| 0.5 | 315.0 | 0.778 | 0.882 |
| 0.5 | 345.0 | 0.13 | 0.144 |
| 0.7 | 15.0 | 0.774 | 0.603 |
| 0.7 | 45.0 | 0.297 | 0.246 |
| 0.7 | 105.0 | 0.304 | 0.215 |
| 0.7 | 135.0 | 1.63 | 0.993 |
| 0.7 | 165.0 | 0.316 | 0.168 |
| 0.7 | 195.0 | 1.37 | 1.13 |
| 0.7 | 225.0 | 1.21 | 0.678 |
| 0.7 | 255.0 | 0.591 | 0.648 |
| 0.7 | 285.0 | 1.61 | 1.25 |
| 0.7 | 315.0 | 0.872 | 0.774 |
| 0.7 | 345.0 | 0.906 | 1.08 |
| 0.9 | 15.0 | 2.58 | 2.13 |
| 0.9 | 45.0 | 1.79 | 2.3 |
| 0.9 | 75.0 | 2.2 | 1.28 |
| 0.9 | 105.0 | 0.934 | 0.628 |
| 0.9 | 135.0 | 0.652 | 0.464 |
| 0.9 | 165.0 | 1.85 | 1.33 |
| 0.9 | 195.0 | 6.02 | 5.43 |
| 0.9 | 225.0 | 0.227 | 0.166 |
| 0.9 | 255.0 | 0.888 | 0.744 |
| 0.9 | 285.0 | 0.424 | 0.453 |
| 0.9 | 345.0 | 0.255 | 0.298 |
Experiment comment: