Measurement E9M48
| 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: | 1.44 GeV | |
| ε: | 0.558 | |
| 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 | 0.23 | 0.124 |
| -0.9 | 45.0 | 0.0766 | 0.0588 |
| -0.9 | 75.0 | 0.282 | 0.199 |
| -0.9 | 105.0 | 0.101 | 0.0779 |
| -0.9 | 135.0 | 0.512 | 0.254 |
| -0.9 | 165.0 | 0.111 | 0.0504 |
| -0.9 | 195.0 | 0.116 | 0.0758 |
| -0.9 | 225.0 | 0.226 | 0.147 |
| -0.9 | 255.0 | 0.415 | 0.353 |
| -0.9 | 285.0 | 0.805 | 0.516 |
| -0.9 | 315.0 | 0.195 | 0.13 |
| -0.9 | 345.0 | 0.0579 | 0.0363 |
| -0.7 | 15.0 | 0.311 | 0.155 |
| -0.7 | 45.0 | 0.694 | 0.25 |
| -0.7 | 75.0 | 1.32 | 0.591 |
| -0.7 | 105.0 | 0.859 | 0.367 |
| -0.7 | 135.0 | 0.372 | 0.291 |
| -0.7 | 165.0 | 0.639 | 0.373 |
| -0.7 | 195.0 | 0.56 | 0.329 |
| -0.7 | 225.0 | 0.531 | 0.315 |
| -0.7 | 255.0 | 0.361 | 0.229 |
| -0.7 | 285.0 | 0.197 | 0.124 |
| -0.7 | 315.0 | 0.959 | 0.327 |
| -0.7 | 345.0 | 0.335 | 0.168 |
| -0.5 | 15.0 | 0.878 | 0.448 |
| -0.5 | 45.0 | 0.386 | 0.163 |
| -0.5 | 75.0 | 1.02 | 0.411 |
| -0.5 | 105.0 | 0.25 | 0.184 |
| -0.5 | 135.0 | 0.573 | 0.643 |
| -0.5 | 165.0 | 1.55 | 0.962 |
| -0.5 | 195.0 | 0.16 | 0.165 |
| -0.5 | 225.0 | 0.151 | 0.157 |
| -0.5 | 255.0 | 1.37 | 0.551 |
| -0.5 | 285.0 | 0.414 | 0.175 |
| -0.5 | 315.0 | 0.877 | 0.28 |
| -0.5 | 345.0 | 0.314 | 0.17 |
| -0.3 | 15.0 | 1.02 | 0.375 |
| -0.3 | 45.0 | 0.85 | 0.326 |
| -0.3 | 75.0 | 0.657 | 0.269 |
| -0.3 | 105.0 | 1.5 | 0.47 |
| -0.3 | 135.0 | 2.87 | 1.62 |
| -0.3 | 195.0 | 1.13 | 1.39 |
| -0.3 | 225.0 | 0.965 | 0.611 |
| -0.3 | 255.0 | 1.35 | 0.468 |
| -0.3 | 285.0 | 1.95 | 0.574 |
| -0.3 | 315.0 | 0.672 | 0.241 |
| -0.3 | 345.0 | 0.476 | 0.175 |
| -0.1 | 15.0 | 0.504 | 0.209 |
| -0.1 | 45.0 | 0.74 | 0.266 |
| -0.1 | 75.0 | 1.11 | 0.33 |
| -0.1 | 105.0 | 1.2 | 0.402 |
| -0.1 | 135.0 | 3.0 | 1.22 |
| -0.1 | 165.0 | 7.97 | 9.23 |
| -0.1 | 225.0 | 0.584 | 0.262 |
| -0.1 | 255.0 | 1.41 | 0.384 |
| -0.1 | 285.0 | 1.44 | 0.561 |
| -0.1 | 315.0 | 0.826 | 0.264 |
| -0.1 | 345.0 | 1.16 | 0.45 |
| 0.1 | 15.0 | 0.856 | 0.372 |
| 0.1 | 45.0 | 0.665 | 0.264 |
| 0.1 | 75.0 | 1.78 | 0.566 |
| 0.1 | 105.0 | 1.78 | 0.524 |
| 0.1 | 135.0 | 0.939 | 0.301 |
| 0.1 | 195.0 | 2.32 | 1.57 |
| 0.1 | 225.0 | 0.858 | 0.314 |
| 0.1 | 255.0 | 1.11 | 0.328 |
| 0.1 | 285.0 | 1.06 | 0.352 |
| 0.1 | 315.0 | 1.52 | 0.461 |
| 0.1 | 345.0 | 0.486 | 0.183 |
| 0.3 | 15.0 | 1.12 | 0.441 |
| 0.3 | 45.0 | 0.989 | 0.323 |
| 0.3 | 75.0 | 0.98 | 0.304 |
| 0.3 | 105.0 | 1.84 | 0.557 |
| 0.3 | 135.0 | 0.837 | 0.297 |
| 0.3 | 195.0 | 0.4 | 0.44 |
| 0.3 | 225.0 | 1.41 | 0.405 |
| 0.3 | 255.0 | 1.45 | 0.456 |
| 0.3 | 285.0 | 1.79 | 0.661 |
| 0.3 | 315.0 | 1.3 | 0.418 |
| 0.3 | 345.0 | 1.07 | 0.388 |
| 0.5 | 15.0 | 1.36 | 0.466 |
| 0.5 | 45.0 | 0.697 | 0.304 |
| 0.5 | 75.0 | 0.707 | 0.226 |
| 0.5 | 105.0 | 0.735 | 0.228 |
| 0.5 | 135.0 | 1.08 | 0.398 |
| 0.5 | 225.0 | 1.35 | 0.479 |
| 0.5 | 255.0 | 0.873 | 0.33 |
| 0.5 | 285.0 | 1.17 | 0.503 |
| 0.5 | 315.0 | 0.55 | 0.252 |
| 0.5 | 345.0 | 0.68 | 0.24 |
| 0.7 | 15.0 | 0.44 | 0.194 |
| 0.7 | 45.0 | 0.679 | 0.299 |
| 0.7 | 75.0 | 0.371 | 0.182 |
| 0.7 | 105.0 | 0.434 | 0.172 |
| 0.7 | 135.0 | 1.39 | 0.733 |
| 0.7 | 225.0 | 0.457 | 0.166 |
| 0.7 | 255.0 | 0.679 | 0.334 |
| 0.7 | 285.0 | 0.749 | 0.351 |
| 0.7 | 315.0 | 1.41 | 0.574 |
| 0.7 | 345.0 | 0.55 | 0.302 |
| 0.9 | 15.0 | 0.804 | 0.497 |
| 0.9 | 45.0 | 0.457 | 0.327 |
| 0.9 | 75.0 | 0.703 | 0.463 |
| 0.9 | 105.0 | 0.0362 | 0.0381 |
| 0.9 | 135.0 | 0.926 | 0.772 |
| 0.9 | 165.0 | 3.38 | 4.21 |
| 0.9 | 195.0 | 0.416 | 0.593 |
| 0.9 | 225.0 | 0.568 | 0.473 |
| 0.9 | 255.0 | 2.43 | 1.63 |
| 0.9 | 285.0 | 0.247 | 0.142 |
| 0.9 | 315.0 | 2.65 | 2.9 |
| 0.9 | 345.0 | 0.356 | 0.27 |
Experiment comment: