Measurement E9M55
| 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: | 1.58 GeV | |
| ε: | 0.44 | |
| 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 | 0.334 | 0.201 |
| -0.9 | 45.0 | 0.857 | 0.615 |
| -0.9 | 75.0 | 5.73 | 6.45 |
| -0.9 | 105.0 | 0.043 | 0.0445 |
| -0.9 | 285.0 | 0.432 | 0.402 |
| -0.9 | 315.0 | 0.469 | 0.58 |
| -0.7 | 15.0 | 0.337 | 0.204 |
| -0.7 | 45.0 | 0.882 | 0.579 |
| -0.7 | 75.0 | 0.0871 | 0.101 |
| -0.7 | 105.0 | 0.61 | 0.717 |
| -0.7 | 255.0 | 0.262 | 0.218 |
| -0.7 | 285.0 | 0.896 | 0.643 |
| -0.7 | 315.0 | 0.804 | 0.418 |
| -0.7 | 345.0 | 0.145 | 0.115 |
| -0.5 | 15.0 | 0.886 | 0.734 |
| -0.5 | 45.0 | 0.921 | 0.529 |
| -0.5 | 75.0 | 0.804 | 0.453 |
| -0.5 | 105.0 | 1.17 | 1.07 |
| -0.5 | 225.0 | 0.326 | 0.286 |
| -0.5 | 255.0 | 0.596 | 0.367 |
| -0.5 | 285.0 | 0.915 | 0.566 |
| -0.5 | 315.0 | 1.14 | 0.627 |
| -0.3 | 15.0 | 0.199 | 0.213 |
| -0.3 | 45.0 | 0.677 | 0.385 |
| -0.3 | 75.0 | 1.53 | 0.88 |
| -0.3 | 105.0 | 1.08 | 0.487 |
| -0.3 | 135.0 | 0.274 | 0.226 |
| -0.3 | 225.0 | 0.203 | 0.221 |
| -0.3 | 255.0 | 0.523 | 0.326 |
| -0.3 | 285.0 | 0.197 | 0.151 |
| -0.3 | 315.0 | 0.375 | 0.303 |
| -0.1 | 45.0 | 0.948 | 0.586 |
| -0.1 | 75.0 | 1.23 | 0.609 |
| -0.1 | 105.0 | 1.4 | 0.563 |
| -0.1 | 135.0 | 0.718 | 0.332 |
| -0.1 | 225.0 | 0.625 | 0.428 |
| -0.1 | 255.0 | 0.645 | 0.299 |
| -0.1 | 285.0 | 0.296 | 0.187 |
| -0.1 | 315.0 | 0.239 | 0.184 |
| -0.1 | 345.0 | 0.142 | 0.152 |
| 0.1 | 45.0 | 0.236 | 0.154 |
| 0.1 | 75.0 | 1.27 | 0.544 |
| 0.1 | 105.0 | 0.494 | 0.173 |
| 0.1 | 135.0 | 0.467 | 0.373 |
| 0.1 | 225.0 | 0.564 | 0.324 |
| 0.1 | 255.0 | 0.464 | 0.229 |
| 0.1 | 285.0 | 0.548 | 0.31 |
| 0.1 | 315.0 | 0.404 | 0.235 |
| 0.1 | 345.0 | 1.38 | 1.27 |
| 0.3 | 15.0 | 0.398 | 0.462 |
| 0.3 | 45.0 | 0.733 | 0.496 |
| 0.3 | 75.0 | 0.707 | 0.297 |
| 0.3 | 105.0 | 0.752 | 0.276 |
| 0.3 | 135.0 | 0.254 | 0.196 |
| 0.3 | 225.0 | 0.517 | 0.35 |
| 0.3 | 255.0 | 0.288 | 0.142 |
| 0.3 | 285.0 | 0.39 | 0.184 |
| 0.3 | 315.0 | 0.499 | 0.272 |
| 0.3 | 345.0 | 1.41 | 0.921 |
| 0.5 | 15.0 | 0.281 | 0.228 |
| 0.5 | 45.0 | 0.259 | 0.15 |
| 0.5 | 75.0 | 0.268 | 0.134 |
| 0.5 | 105.0 | 0.447 | 0.206 |
| 0.5 | 135.0 | 0.561 | 0.473 |
| 0.5 | 225.0 | 1.39 | 1.03 |
| 0.5 | 255.0 | 0.542 | 0.265 |
| 0.5 | 285.0 | 0.322 | 0.214 |
| 0.5 | 315.0 | 0.76 | 0.433 |
| 0.5 | 345.0 | 2.42 | 2.82 |
| 0.7 | 15.0 | 0.109 | 0.076 |
| 0.7 | 45.0 | 0.0897 | 0.0727 |
| 0.7 | 75.0 | 1.22 | 0.714 |
| 0.7 | 105.0 | 1.0 | 0.927 |
| 0.7 | 165.0 | 0.269 | 0.331 |
| 0.7 | 225.0 | 0.489 | 0.415 |
| 0.7 | 255.0 | 0.138 | 0.0704 |
| 0.7 | 285.0 | 0.168 | 0.135 |
| 0.7 | 315.0 | 0.511 | 0.326 |
| 0.7 | 345.0 | 1.93 | 2.2 |
| 0.9 | 15.0 | 0.357 | 0.338 |
| 0.9 | 45.0 | 0.187 | 0.127 |
| 0.9 | 75.0 | 0.103 | 0.0878 |
| 0.9 | 105.0 | 0.341 | 0.216 |
| 0.9 | 135.0 | 0.215 | 0.244 |
| 0.9 | 255.0 | 0.424 | 0.393 |
| 0.9 | 285.0 | 0.479 | 0.301 |
| 0.9 | 315.0 | 1.19 | 1.35 |
Experiment comment: