Measurement E9M276
| 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: | 1.54 GeV | |
| ε: | 0.59 | |
| 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 | 0.245 | 0.0838 |
| -0.9 | 45.0 | 0.847 | 0.348 |
| -0.9 | 75.0 | 0.278 | 0.113 |
| -0.9 | 105.0 | 0.418 | 0.213 |
| -0.9 | 135.0 | 0.454 | 0.19 |
| -0.9 | 165.0 | 1.01 | 0.371 |
| -0.9 | 195.0 | 0.44 | 0.171 |
| -0.9 | 225.0 | 0.421 | 0.172 |
| -0.9 | 255.0 | 0.186 | 0.0913 |
| -0.9 | 285.0 | 0.722 | 0.292 |
| -0.9 | 315.0 | 0.379 | 0.162 |
| -0.9 | 345.0 | 0.431 | 0.14 |
| -0.7 | 15.0 | 0.651 | 0.151 |
| -0.7 | 45.0 | 0.565 | 0.17 |
| -0.7 | 75.0 | 0.447 | 0.133 |
| -0.7 | 105.0 | 0.251 | 0.192 |
| -0.7 | 135.0 | 0.384 | 0.422 |
| -0.7 | 165.0 | 0.379 | 0.217 |
| -0.7 | 195.0 | 1.12 | 0.48 |
| -0.7 | 225.0 | 1.38 | 1.13 |
| -0.7 | 255.0 | 1.69 | 0.635 |
| -0.7 | 285.0 | 0.823 | 0.275 |
| -0.7 | 315.0 | 0.747 | 0.259 |
| -0.7 | 345.0 | 0.451 | 0.127 |
| -0.5 | 15.0 | 0.817 | 0.247 |
| -0.5 | 45.0 | 0.688 | 0.203 |
| -0.5 | 75.0 | 1.68 | 0.469 |
| -0.5 | 105.0 | 1.15 | 0.394 |
| -0.5 | 135.0 | 0.78 | 0.38 |
| -0.5 | 225.0 | 1.01 | 0.38 |
| -0.5 | 255.0 | 1.52 | 0.55 |
| -0.5 | 285.0 | 0.575 | 0.203 |
| -0.5 | 315.0 | 0.668 | 0.217 |
| -0.5 | 345.0 | 0.987 | 0.294 |
| -0.3 | 15.0 | 0.366 | 0.223 |
| -0.3 | 45.0 | 0.823 | 0.226 |
| -0.3 | 75.0 | 0.908 | 0.29 |
| -0.3 | 105.0 | 1.56 | 0.358 |
| -0.3 | 135.0 | 1.42 | 0.352 |
| -0.3 | 225.0 | 1.93 | 0.463 |
| -0.3 | 255.0 | 1.4 | 0.295 |
| -0.3 | 285.0 | 1.48 | 0.369 |
| -0.3 | 315.0 | 0.681 | 0.219 |
| -0.3 | 345.0 | 0.282 | 0.17 |
| -0.1 | 15.0 | 0.477 | 0.26 |
| -0.1 | 45.0 | 0.789 | 0.239 |
| -0.1 | 75.0 | 0.826 | 0.212 |
| -0.1 | 105.0 | 2.0 | 0.359 |
| -0.1 | 135.0 | 1.34 | 0.288 |
| -0.1 | 165.0 | 0.546 | 0.631 |
| -0.1 | 195.0 | 0.758 | 0.601 |
| -0.1 | 225.0 | 1.27 | 0.278 |
| -0.1 | 255.0 | 1.28 | 0.262 |
| -0.1 | 285.0 | 2.26 | 0.433 |
| -0.1 | 315.0 | 0.831 | 0.229 |
| -0.1 | 345.0 | 1.03 | 0.536 |
| 0.1 | 15.0 | 1.34 | 0.586 |
| 0.1 | 45.0 | 0.922 | 0.275 |
| 0.1 | 75.0 | 1.23 | 0.252 |
| 0.1 | 105.0 | 1.71 | 0.273 |
| 0.1 | 135.0 | 1.39 | 0.318 |
| 0.1 | 225.0 | 2.35 | 0.521 |
| 0.1 | 255.0 | 2.08 | 0.334 |
| 0.1 | 285.0 | 1.61 | 0.344 |
| 0.1 | 315.0 | 0.873 | 0.231 |
| 0.1 | 345.0 | 2.1 | 0.983 |
| 0.3 | 15.0 | 0.528 | 0.204 |
| 0.3 | 45.0 | 1.4 | 0.348 |
| 0.3 | 75.0 | 1.76 | 0.358 |
| 0.3 | 105.0 | 1.06 | 0.201 |
| 0.3 | 135.0 | 2.95 | 1.01 |
| 0.3 | 225.0 | 1.65 | 0.397 |
| 0.3 | 255.0 | 1.87 | 0.307 |
| 0.3 | 285.0 | 1.2 | 0.263 |
| 0.3 | 315.0 | 1.36 | 0.339 |
| 0.3 | 345.0 | 1.14 | 0.385 |
| 0.5 | 15.0 | 1.19 | 0.434 |
| 0.5 | 45.0 | 1.02 | 0.254 |
| 0.5 | 75.0 | 1.04 | 0.222 |
| 0.5 | 105.0 | 1.27 | 0.224 |
| 0.5 | 135.0 | 1.1 | 0.385 |
| 0.5 | 165.0 | 2.1 | 2.11 |
| 0.5 | 195.0 | 0.857 | 1.05 |
| 0.5 | 225.0 | 0.771 | 0.23 |
| 0.5 | 255.0 | 1.59 | 0.307 |
| 0.5 | 285.0 | 1.99 | 0.444 |
| 0.5 | 315.0 | 0.436 | 0.148 |
| 0.5 | 345.0 | 2.74 | 0.912 |
| 0.7 | 15.0 | 0.21 | 0.0944 |
| 0.7 | 45.0 | 0.4 | 0.115 |
| 0.7 | 75.0 | 0.853 | 0.253 |
| 0.7 | 105.0 | 0.842 | 0.213 |
| 0.7 | 135.0 | 0.838 | 0.319 |
| 0.7 | 165.0 | 1.11 | 1.57 |
| 0.7 | 225.0 | 1.39 | 0.507 |
| 0.7 | 255.0 | 1.17 | 0.264 |
| 0.7 | 285.0 | 0.652 | 0.19 |
| 0.7 | 315.0 | 0.315 | 0.124 |
| 0.7 | 345.0 | 0.565 | 0.254 |
| 0.9 | 15.0 | 2.32 | 1.89 |
| 0.9 | 45.0 | 0.607 | 0.267 |
| 0.9 | 75.0 | 0.495 | 0.228 |
| 0.9 | 105.0 | 0.367 | 0.128 |
| 0.9 | 135.0 | 0.468 | 0.213 |
| 0.9 | 225.0 | 0.815 | 0.338 |
| 0.9 | 255.0 | 0.426 | 0.148 |
| 0.9 | 285.0 | 0.808 | 0.395 |
| 0.9 | 315.0 | 0.176 | 0.0874 |
| 0.9 | 345.0 | 2.84 | 1.93 |
Experiment comment: