Measurement E9M277
| 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: | 1.56 GeV | |
| ε: | 0.574 | |
| 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 | 0.224 | 0.0881 |
| -0.9 | 45.0 | 0.407 | 0.16 |
| -0.9 | 75.0 | 0.478 | 0.237 |
| -0.9 | 105.0 | 0.218 | 0.1 |
| -0.9 | 135.0 | 0.372 | 0.211 |
| -0.9 | 165.0 | 0.261 | 0.137 |
| -0.9 | 195.0 | 0.309 | 0.143 |
| -0.9 | 225.0 | 0.284 | 0.183 |
| -0.9 | 255.0 | 0.134 | 0.1 |
| -0.9 | 285.0 | 0.302 | 0.117 |
| -0.9 | 315.0 | 0.269 | 0.136 |
| -0.9 | 345.0 | 0.372 | 0.105 |
| -0.7 | 15.0 | 0.623 | 0.17 |
| -0.7 | 45.0 | 0.55 | 0.148 |
| -0.7 | 75.0 | 0.615 | 0.314 |
| -0.7 | 105.0 | 0.585 | 0.324 |
| -0.7 | 135.0 | 0.279 | 0.213 |
| -0.7 | 165.0 | 2.85 | 1.73 |
| -0.7 | 195.0 | 1.91 | 1.4 |
| -0.7 | 225.0 | 0.245 | 0.197 |
| -0.7 | 255.0 | 0.609 | 0.261 |
| -0.7 | 285.0 | 0.535 | 0.257 |
| -0.7 | 315.0 | 0.361 | 0.13 |
| -0.7 | 345.0 | 0.513 | 0.15 |
| -0.5 | 15.0 | 0.491 | 0.158 |
| -0.5 | 45.0 | 0.643 | 0.213 |
| -0.5 | 75.0 | 0.638 | 0.214 |
| -0.5 | 105.0 | 0.883 | 0.276 |
| -0.5 | 135.0 | 1.33 | 0.495 |
| -0.5 | 165.0 | 4.47 | 5.5 |
| -0.5 | 225.0 | 2.37 | 0.935 |
| -0.5 | 255.0 | 1.12 | 0.428 |
| -0.5 | 285.0 | 0.435 | 0.178 |
| -0.5 | 315.0 | 0.364 | 0.122 |
| -0.5 | 345.0 | 0.386 | 0.135 |
| -0.3 | 15.0 | 0.664 | 0.34 |
| -0.3 | 45.0 | 0.57 | 0.166 |
| -0.3 | 75.0 | 1.04 | 0.31 |
| -0.3 | 105.0 | 1.08 | 0.292 |
| -0.3 | 135.0 | 0.791 | 0.226 |
| -0.3 | 165.0 | 0.429 | 0.481 |
| -0.3 | 195.0 | 0.693 | 0.778 |
| -0.3 | 225.0 | 1.1 | 0.307 |
| -0.3 | 255.0 | 0.514 | 0.138 |
| -0.3 | 285.0 | 1.6 | 0.441 |
| -0.3 | 315.0 | 1.08 | 0.362 |
| -0.3 | 345.0 | 0.462 | 0.233 |
| -0.1 | 15.0 | 0.882 | 0.453 |
| -0.1 | 45.0 | 1.44 | 0.383 |
| -0.1 | 75.0 | 0.907 | 0.223 |
| -0.1 | 105.0 | 1.08 | 0.218 |
| -0.1 | 135.0 | 1.29 | 0.343 |
| -0.1 | 195.0 | 1.04 | 0.949 |
| -0.1 | 225.0 | 2.24 | 0.524 |
| -0.1 | 255.0 | 2.34 | 0.437 |
| -0.1 | 285.0 | 1.04 | 0.236 |
| -0.1 | 315.0 | 0.468 | 0.164 |
| -0.1 | 345.0 | 0.819 | 0.384 |
| 0.1 | 15.0 | 0.414 | 0.206 |
| 0.1 | 45.0 | 0.455 | 0.158 |
| 0.1 | 75.0 | 1.3 | 0.275 |
| 0.1 | 105.0 | 1.5 | 0.266 |
| 0.1 | 135.0 | 0.671 | 0.253 |
| 0.1 | 225.0 | 0.727 | 0.221 |
| 0.1 | 255.0 | 1.19 | 0.223 |
| 0.1 | 285.0 | 1.01 | 0.224 |
| 0.1 | 315.0 | 1.1 | 0.319 |
| 0.1 | 345.0 | 0.277 | 0.149 |
| 0.3 | 15.0 | 0.226 | 0.122 |
| 0.3 | 45.0 | 0.714 | 0.205 |
| 0.3 | 75.0 | 1.31 | 0.297 |
| 0.3 | 105.0 | 1.05 | 0.203 |
| 0.3 | 135.0 | 2.23 | 0.684 |
| 0.3 | 225.0 | 0.874 | 0.251 |
| 0.3 | 255.0 | 1.32 | 0.255 |
| 0.3 | 285.0 | 1.09 | 0.251 |
| 0.3 | 315.0 | 0.498 | 0.15 |
| 0.3 | 345.0 | 0.248 | 0.111 |
| 0.5 | 15.0 | 0.988 | 0.371 |
| 0.5 | 45.0 | 0.886 | 0.28 |
| 0.5 | 75.0 | 0.875 | 0.21 |
| 0.5 | 105.0 | 1.16 | 0.261 |
| 0.5 | 135.0 | 1.92 | 0.636 |
| 0.5 | 165.0 | 0.553 | 0.446 |
| 0.5 | 195.0 | 2.76 | 1.96 |
| 0.5 | 225.0 | 2.44 | 0.848 |
| 0.5 | 255.0 | 0.961 | 0.196 |
| 0.5 | 285.0 | 1.43 | 0.329 |
| 0.5 | 315.0 | 0.505 | 0.181 |
| 0.5 | 345.0 | 1.05 | 0.348 |
| 0.7 | 15.0 | 0.52 | 0.228 |
| 0.7 | 45.0 | 0.325 | 0.109 |
| 0.7 | 75.0 | 0.695 | 0.204 |
| 0.7 | 105.0 | 0.503 | 0.136 |
| 0.7 | 135.0 | 0.532 | 0.284 |
| 0.7 | 165.0 | 1.93 | 2.37 |
| 0.7 | 195.0 | 7.93 | 8.6 |
| 0.7 | 225.0 | 0.931 | 0.369 |
| 0.7 | 255.0 | 0.828 | 0.207 |
| 0.7 | 285.0 | 0.309 | 0.108 |
| 0.7 | 315.0 | 0.67 | 0.205 |
| 0.7 | 345.0 | 0.297 | 0.141 |
| 0.9 | 15.0 | 1.46 | 0.869 |
| 0.9 | 45.0 | 0.305 | 0.145 |
| 0.9 | 75.0 | 0.132 | 0.0589 |
| 0.9 | 105.0 | 0.29 | 0.105 |
| 0.9 | 135.0 | 0.2 | 0.13 |
| 0.9 | 225.0 | 0.584 | 0.334 |
| 0.9 | 255.0 | 0.243 | 0.0916 |
| 0.9 | 285.0 | 0.628 | 0.295 |
| 0.9 | 315.0 | 0.845 | 0.466 |
| 0.9 | 345.0 | 0.28 | 0.151 |
Experiment comment: