Measurement E9M254
| 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: | 1.1 GeV | |
| ε: | 0.809 | |
| 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 | 1.96 | 2.59 |
| -0.9 | 165.0 | 0.111 | 0.0954 |
| -0.9 | 195.0 | 0.0183 | 0.0203 |
| -0.9 | 225.0 | 0.302 | 0.275 |
| -0.9 | 255.0 | 0.246 | 0.351 |
| -0.7 | 105.0 | 0.23 | 0.164 |
| -0.7 | 135.0 | 0.0279 | 0.0301 |
| -0.7 | 165.0 | 0.53 | 0.334 |
| -0.7 | 195.0 | 0.422 | 0.243 |
| -0.7 | 225.0 | 0.575 | 0.347 |
| -0.7 | 255.0 | 0.186 | 0.141 |
| -0.7 | 315.0 | 0.651 | 0.549 |
| -0.7 | 345.0 | 1.38 | 1.72 |
| -0.5 | 15.0 | 0.0364 | 0.053 |
| -0.5 | 45.0 | 0.538 | 0.764 |
| -0.5 | 75.0 | 0.788 | 0.974 |
| -0.5 | 105.0 | 1.33 | 1.06 |
| -0.5 | 135.0 | 0.382 | 0.241 |
| -0.5 | 165.0 | 0.783 | 0.395 |
| -0.5 | 195.0 | 0.127 | 0.135 |
| -0.5 | 225.0 | 0.723 | 0.565 |
| -0.5 | 255.0 | 0.238 | 0.17 |
| -0.5 | 285.0 | 1.01 | 0.924 |
| -0.5 | 315.0 | 0.0332 | 0.038 |
| -0.5 | 345.0 | 0.0425 | 0.0511 |
| -0.3 | 15.0 | 0.137 | 0.119 |
| -0.3 | 45.0 | 0.876 | 0.87 |
| -0.3 | 75.0 | 0.577 | 0.548 |
| -0.3 | 105.0 | 0.346 | 0.213 |
| -0.3 | 135.0 | 6.84 | 5.9 |
| -0.3 | 165.0 | 0.561 | 0.292 |
| -0.3 | 195.0 | 1.67 | 0.854 |
| -0.3 | 225.0 | 1.63 | 0.826 |
| -0.3 | 255.0 | 1.06 | 0.776 |
| -0.3 | 285.0 | 0.347 | 0.233 |
| -0.3 | 315.0 | 0.226 | 0.154 |
| -0.3 | 345.0 | 1.21 | 1.25 |
| -0.1 | 15.0 | 0.678 | 0.58 |
| -0.1 | 45.0 | 0.213 | 0.173 |
| -0.1 | 75.0 | 0.108 | 0.134 |
| -0.1 | 105.0 | 0.296 | 0.233 |
| -0.1 | 135.0 | 0.775 | 0.425 |
| -0.1 | 165.0 | 0.304 | 0.162 |
| -0.1 | 195.0 | 0.426 | 0.206 |
| -0.1 | 225.0 | 0.0975 | 0.0737 |
| -0.1 | 255.0 | 0.77 | 0.593 |
| -0.1 | 285.0 | 0.371 | 0.336 |
| -0.1 | 315.0 | 0.287 | 0.209 |
| -0.1 | 345.0 | 0.294 | 0.228 |
| 0.1 | 15.0 | 0.196 | 0.141 |
| 0.1 | 45.0 | 0.443 | 0.353 |
| 0.1 | 75.0 | 0.277 | 0.341 |
| 0.1 | 105.0 | 0.837 | 0.578 |
| 0.1 | 135.0 | 0.618 | 0.366 |
| 0.1 | 165.0 | 1.71 | 0.894 |
| 0.1 | 195.0 | 1.17 | 0.557 |
| 0.1 | 225.0 | 0.56 | 0.474 |
| 0.1 | 255.0 | 0.101 | 0.0652 |
| 0.1 | 285.0 | 0.879 | 0.58 |
| 0.1 | 345.0 | 0.313 | 0.292 |
| 0.3 | 15.0 | 0.332 | 0.198 |
| 0.3 | 75.0 | 1.15 | 0.726 |
| 0.3 | 105.0 | 0.209 | 0.134 |
| 0.3 | 135.0 | 0.463 | 0.268 |
| 0.3 | 165.0 | 0.497 | 0.256 |
| 0.3 | 195.0 | 0.948 | 0.602 |
| 0.3 | 225.0 | 0.713 | 0.389 |
| 0.3 | 255.0 | 4.72 | 3.82 |
| 0.3 | 285.0 | 0.551 | 0.616 |
| 0.3 | 315.0 | 0.357 | 0.205 |
| 0.3 | 345.0 | 0.2 | 0.118 |
| 0.5 | 15.0 | 0.377 | 0.287 |
| 0.5 | 45.0 | 1.85 | 1.56 |
| 0.5 | 75.0 | 0.823 | 0.79 |
| 0.5 | 105.0 | 0.547 | 0.299 |
| 0.5 | 135.0 | 0.248 | 0.121 |
| 0.5 | 165.0 | 0.666 | 0.345 |
| 0.5 | 195.0 | 0.993 | 0.555 |
| 0.5 | 225.0 | 0.464 | 0.183 |
| 0.5 | 255.0 | 0.759 | 0.613 |
| 0.5 | 285.0 | 1.14 | 0.667 |
| 0.5 | 315.0 | 0.803 | 0.497 |
| 0.5 | 345.0 | 0.0383 | 0.0408 |
| 0.7 | 15.0 | 0.304 | 0.184 |
| 0.7 | 45.0 | 0.398 | 0.269 |
| 0.7 | 75.0 | 0.563 | 0.289 |
| 0.7 | 105.0 | 1.18 | 0.775 |
| 0.7 | 135.0 | 0.975 | 0.565 |
| 0.7 | 165.0 | 0.776 | 0.4 |
| 0.7 | 195.0 | 0.564 | 0.283 |
| 0.7 | 225.0 | 1.17 | 0.61 |
| 0.7 | 255.0 | 1.46 | 1.0 |
| 0.7 | 285.0 | 0.171 | 0.109 |
| 0.7 | 315.0 | 0.111 | 0.0878 |
| 0.7 | 345.0 | 1.33 | 1.0 |
| 0.9 | 15.0 | 0.334 | 0.175 |
| 0.9 | 45.0 | 0.226 | 0.249 |
| 0.9 | 75.0 | 0.544 | 0.345 |
| 0.9 | 105.0 | 0.342 | 0.299 |
| 0.9 | 135.0 | 1.12 | 0.612 |
| 0.9 | 165.0 | 0.515 | 0.29 |
| 0.9 | 195.0 | 1.78 | 1.0 |
| 0.9 | 225.0 | 0.655 | 0.276 |
| 0.9 | 255.0 | 0.89 | 0.637 |
| 0.9 | 285.0 | 0.854 | 0.46 |
| 0.9 | 315.0 | 0.416 | 0.475 |
| 0.9 | 345.0 | 0.731 | 0.51 |
Experiment comment: