Measurement E9M271
| 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: | 1.44 GeV | |
| ε: | 0.661 | |
| 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 | 0.22 | 0.095 |
| -0.9 | 45.0 | 0.157 | 0.0792 |
| -0.9 | 75.0 | 0.218 | 0.102 |
| -0.9 | 105.0 | 0.648 | 0.319 |
| -0.9 | 135.0 | 0.254 | 0.103 |
| -0.9 | 165.0 | 1.6 | 0.586 |
| -0.9 | 195.0 | 1.03 | 0.322 |
| -0.9 | 225.0 | 0.857 | 0.292 |
| -0.9 | 255.0 | 0.152 | 0.0941 |
| -0.9 | 285.0 | 0.307 | 0.125 |
| -0.9 | 315.0 | 0.0996 | 0.0563 |
| -0.9 | 345.0 | 0.158 | 0.0831 |
| -0.7 | 15.0 | 0.597 | 0.165 |
| -0.7 | 45.0 | 0.408 | 0.14 |
| -0.7 | 75.0 | 0.373 | 0.155 |
| -0.7 | 105.0 | 1.41 | 0.528 |
| -0.7 | 135.0 | 1.1 | 0.495 |
| -0.7 | 165.0 | 0.512 | 0.199 |
| -0.7 | 195.0 | 1.33 | 0.405 |
| -0.7 | 225.0 | 0.923 | 0.405 |
| -0.7 | 255.0 | 0.561 | 0.201 |
| -0.7 | 285.0 | 0.375 | 0.152 |
| -0.7 | 315.0 | 0.366 | 0.13 |
| -0.7 | 345.0 | 0.638 | 0.192 |
| -0.5 | 15.0 | 0.717 | 0.226 |
| -0.5 | 45.0 | 0.732 | 0.22 |
| -0.5 | 75.0 | 1.77 | 0.481 |
| -0.5 | 105.0 | 0.752 | 0.232 |
| -0.5 | 135.0 | 0.332 | 0.248 |
| -0.5 | 165.0 | 1.48 | 0.509 |
| -0.5 | 195.0 | 0.649 | 0.272 |
| -0.5 | 225.0 | 2.14 | 0.871 |
| -0.5 | 255.0 | 1.17 | 0.376 |
| -0.5 | 285.0 | 0.675 | 0.224 |
| -0.5 | 315.0 | 0.657 | 0.189 |
| -0.5 | 345.0 | 0.513 | 0.16 |
| -0.3 | 15.0 | 1.39 | 0.474 |
| -0.3 | 45.0 | 1.14 | 0.307 |
| -0.3 | 75.0 | 1.51 | 0.378 |
| -0.3 | 105.0 | 1.59 | 0.425 |
| -0.3 | 135.0 | 1.34 | 0.473 |
| -0.3 | 165.0 | 0.708 | 0.55 |
| -0.3 | 195.0 | 1.48 | 1.05 |
| -0.3 | 225.0 | 1.09 | 0.449 |
| -0.3 | 255.0 | 2.75 | 0.684 |
| -0.3 | 285.0 | 2.65 | 0.663 |
| -0.3 | 315.0 | 1.03 | 0.262 |
| -0.3 | 345.0 | 0.946 | 0.263 |
| -0.1 | 15.0 | 1.11 | 0.295 |
| -0.1 | 45.0 | 1.44 | 0.337 |
| -0.1 | 75.0 | 1.56 | 0.368 |
| -0.1 | 105.0 | 1.87 | 0.403 |
| -0.1 | 135.0 | 2.36 | 0.731 |
| -0.1 | 165.0 | 2.98 | 2.12 |
| -0.1 | 195.0 | 0.933 | 1.08 |
| -0.1 | 225.0 | 1.31 | 0.385 |
| -0.1 | 255.0 | 2.29 | 0.521 |
| -0.1 | 285.0 | 1.92 | 0.431 |
| -0.1 | 315.0 | 1.89 | 0.391 |
| -0.1 | 345.0 | 1.39 | 0.34 |
| 0.1 | 15.0 | 1.72 | 0.449 |
| 0.1 | 45.0 | 0.794 | 0.234 |
| 0.1 | 75.0 | 1.69 | 0.382 |
| 0.1 | 105.0 | 1.57 | 0.312 |
| 0.1 | 135.0 | 1.19 | 0.313 |
| 0.1 | 165.0 | 0.528 | 0.579 |
| 0.1 | 225.0 | 1.86 | 0.415 |
| 0.1 | 255.0 | 2.72 | 0.579 |
| 0.1 | 285.0 | 2.35 | 0.556 |
| 0.1 | 315.0 | 1.88 | 0.477 |
| 0.1 | 345.0 | 1.85 | 0.438 |
| 0.3 | 15.0 | 0.949 | 0.232 |
| 0.3 | 45.0 | 0.973 | 0.245 |
| 0.3 | 75.0 | 1.49 | 0.371 |
| 0.3 | 105.0 | 1.55 | 0.338 |
| 0.3 | 135.0 | 2.23 | 0.496 |
| 0.3 | 165.0 | 14.3 | 15.7 |
| 0.3 | 195.0 | 0.751 | 0.426 |
| 0.3 | 225.0 | 1.52 | 0.357 |
| 0.3 | 255.0 | 1.13 | 0.259 |
| 0.3 | 285.0 | 2.91 | 0.677 |
| 0.3 | 315.0 | 1.67 | 0.428 |
| 0.3 | 345.0 | 1.06 | 0.272 |
| 0.5 | 15.0 | 1.06 | 0.284 |
| 0.5 | 45.0 | 1.2 | 0.339 |
| 0.5 | 75.0 | 1.54 | 0.535 |
| 0.5 | 105.0 | 1.38 | 0.342 |
| 0.5 | 135.0 | 1.35 | 0.355 |
| 0.5 | 165.0 | 1.13 | 1.31 |
| 0.5 | 195.0 | 1.77 | 1.3 |
| 0.5 | 225.0 | 1.1 | 0.312 |
| 0.5 | 255.0 | 1.38 | 0.324 |
| 0.5 | 285.0 | 1.1 | 0.319 |
| 0.5 | 315.0 | 0.926 | 0.238 |
| 0.5 | 345.0 | 1.76 | 0.482 |
| 0.7 | 15.0 | 0.438 | 0.203 |
| 0.7 | 45.0 | 0.926 | 0.297 |
| 0.7 | 75.0 | 0.657 | 0.274 |
| 0.7 | 105.0 | 0.454 | 0.132 |
| 0.7 | 135.0 | 0.722 | 0.255 |
| 0.7 | 165.0 | 0.874 | 1.01 |
| 0.7 | 195.0 | 6.61 | 7.65 |
| 0.7 | 225.0 | 0.987 | 0.32 |
| 0.7 | 255.0 | 0.544 | 0.19 |
| 0.7 | 285.0 | 0.532 | 0.191 |
| 0.7 | 315.0 | 1.13 | 0.343 |
| 0.7 | 345.0 | 0.744 | 0.225 |
| 0.9 | 15.0 | 0.499 | 0.228 |
| 0.9 | 45.0 | 1.32 | 0.524 |
| 0.9 | 75.0 | 0.242 | 0.107 |
| 0.9 | 105.0 | 2.14 | 1.32 |
| 0.9 | 135.0 | 0.182 | 0.0948 |
| 0.9 | 165.0 | 0.293 | 0.361 |
| 0.9 | 195.0 | 2.19 | 2.54 |
| 0.9 | 225.0 | 1.06 | 0.592 |
| 0.9 | 255.0 | 0.221 | 0.114 |
| 0.9 | 285.0 | 0.836 | 0.402 |
| 0.9 | 315.0 | 0.391 | 0.162 |
| 0.9 | 345.0 | 0.695 | 0.273 |
Experiment comment: