Measurement E9M241
| 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: | 0.8 — 1.0 GeV2 | |
| W: | 1.44 GeV | |
| ε: | 0.738 | |
| 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 | 0.137 | 0.0766 |
| -0.9 | 45.0 | 0.322 | 0.126 |
| -0.9 | 75.0 | 0.276 | 0.12 |
| -0.9 | 105.0 | 0.556 | 0.201 |
| -0.9 | 135.0 | 1.92 | 0.781 |
| -0.9 | 165.0 | 0.916 | 0.285 |
| -0.9 | 195.0 | 0.916 | 0.255 |
| -0.9 | 225.0 | 0.815 | 0.269 |
| -0.9 | 255.0 | 0.41 | 0.178 |
| -0.9 | 285.0 | 0.288 | 0.187 |
| -0.9 | 315.0 | 0.0882 | 0.0437 |
| -0.9 | 345.0 | 0.141 | 0.0781 |
| -0.7 | 15.0 | 0.704 | 0.212 |
| -0.7 | 45.0 | 0.612 | 0.193 |
| -0.7 | 75.0 | 0.837 | 0.326 |
| -0.7 | 105.0 | 0.467 | 0.202 |
| -0.7 | 135.0 | 0.652 | 0.355 |
| -0.7 | 165.0 | 1.38 | 0.418 |
| -0.7 | 195.0 | 1.59 | 0.403 |
| -0.7 | 225.0 | 0.893 | 0.38 |
| -0.7 | 255.0 | 0.832 | 0.341 |
| -0.7 | 285.0 | 0.513 | 0.206 |
| -0.7 | 315.0 | 1.0 | 0.287 |
| -0.7 | 345.0 | 0.398 | 0.128 |
| -0.5 | 15.0 | 0.526 | 0.148 |
| -0.5 | 45.0 | 1.22 | 0.296 |
| -0.5 | 75.0 | 0.779 | 0.316 |
| -0.5 | 105.0 | 1.55 | 0.503 |
| -0.5 | 135.0 | 2.01 | 1.18 |
| -0.5 | 165.0 | 1.29 | 0.504 |
| -0.5 | 195.0 | 0.719 | 0.267 |
| -0.5 | 225.0 | 1.92 | 1.13 |
| -0.5 | 255.0 | 2.81 | 0.944 |
| -0.5 | 285.0 | 1.23 | 0.365 |
| -0.5 | 315.0 | 0.866 | 0.237 |
| -0.5 | 345.0 | 0.631 | 0.148 |
| -0.3 | 15.0 | 1.21 | 0.298 |
| -0.3 | 45.0 | 1.2 | 0.278 |
| -0.3 | 75.0 | 2.85 | 0.671 |
| -0.3 | 105.0 | 2.09 | 0.473 |
| -0.3 | 135.0 | 3.25 | 0.872 |
| -0.3 | 165.0 | 2.09 | 1.48 |
| -0.3 | 195.0 | 2.09 | 1.48 |
| -0.3 | 225.0 | 2.62 | 0.717 |
| -0.3 | 255.0 | 2.17 | 0.553 |
| -0.3 | 285.0 | 1.66 | 0.445 |
| -0.3 | 315.0 | 1.41 | 0.311 |
| -0.3 | 345.0 | 0.926 | 0.253 |
| -0.1 | 15.0 | 0.728 | 0.2 |
| -0.1 | 45.0 | 1.2 | 0.283 |
| -0.1 | 75.0 | 1.83 | 0.452 |
| -0.1 | 105.0 | 2.78 | 0.574 |
| -0.1 | 135.0 | 2.05 | 0.41 |
| -0.1 | 165.0 | 8.23 | 7.14 |
| -0.1 | 195.0 | 1.84 | 1.27 |
| -0.1 | 225.0 | 2.45 | 0.514 |
| -0.1 | 255.0 | 3.03 | 0.583 |
| -0.1 | 285.0 | 1.9 | 0.485 |
| -0.1 | 315.0 | 2.03 | 0.401 |
| -0.1 | 345.0 | 1.13 | 0.267 |
| 0.1 | 15.0 | 0.98 | 0.262 |
| 0.1 | 45.0 | 2.48 | 0.532 |
| 0.1 | 75.0 | 1.73 | 0.446 |
| 0.1 | 105.0 | 2.34 | 0.407 |
| 0.1 | 135.0 | 2.26 | 0.449 |
| 0.1 | 165.0 | 1.05 | 0.538 |
| 0.1 | 195.0 | 0.943 | 0.617 |
| 0.1 | 225.0 | 1.1 | 0.236 |
| 0.1 | 255.0 | 2.41 | 0.42 |
| 0.1 | 285.0 | 2.28 | 0.515 |
| 0.1 | 315.0 | 1.9 | 0.388 |
| 0.1 | 345.0 | 1.2 | 0.279 |
| 0.3 | 15.0 | 0.783 | 0.198 |
| 0.3 | 45.0 | 1.05 | 0.253 |
| 0.3 | 75.0 | 1.11 | 0.272 |
| 0.3 | 105.0 | 2.41 | 0.442 |
| 0.3 | 135.0 | 2.34 | 0.435 |
| 0.3 | 165.0 | 1.16 | 0.666 |
| 0.3 | 195.0 | 0.802 | 0.507 |
| 0.3 | 225.0 | 2.13 | 0.411 |
| 0.3 | 255.0 | 2.51 | 0.473 |
| 0.3 | 285.0 | 1.62 | 0.416 |
| 0.3 | 315.0 | 1.11 | 0.293 |
| 0.3 | 345.0 | 0.925 | 0.234 |
| 0.5 | 15.0 | 1.57 | 0.375 |
| 0.5 | 45.0 | 1.65 | 0.376 |
| 0.5 | 75.0 | 1.24 | 0.37 |
| 0.5 | 105.0 | 1.44 | 0.277 |
| 0.5 | 135.0 | 1.36 | 0.348 |
| 0.5 | 165.0 | 1.51 | 0.61 |
| 0.5 | 195.0 | 1.32 | 0.717 |
| 0.5 | 225.0 | 1.39 | 0.322 |
| 0.5 | 255.0 | 1.28 | 0.258 |
| 0.5 | 285.0 | 2.41 | 0.653 |
| 0.5 | 315.0 | 1.07 | 0.278 |
| 0.5 | 345.0 | 1.64 | 0.388 |
| 0.7 | 15.0 | 0.788 | 0.229 |
| 0.7 | 45.0 | 1.24 | 0.388 |
| 0.7 | 75.0 | 0.928 | 0.262 |
| 0.7 | 105.0 | 1.32 | 0.383 |
| 0.7 | 135.0 | 0.819 | 0.248 |
| 0.7 | 195.0 | 0.586 | 0.634 |
| 0.7 | 225.0 | 1.36 | 0.341 |
| 0.7 | 255.0 | 1.02 | 0.281 |
| 0.7 | 285.0 | 1.04 | 0.328 |
| 0.7 | 315.0 | 0.917 | 0.292 |
| 0.7 | 345.0 | 0.524 | 0.169 |
| 0.9 | 15.0 | 0.701 | 0.254 |
| 0.9 | 45.0 | 0.567 | 0.245 |
| 0.9 | 75.0 | 0.308 | 0.144 |
| 0.9 | 105.0 | 1.6 | 0.796 |
| 0.9 | 135.0 | 1.28 | 0.576 |
| 0.9 | 195.0 | 1.34 | 0.814 |
| 0.9 | 225.0 | 0.978 | 0.464 |
| 0.9 | 255.0 | 0.749 | 0.401 |
| 0.9 | 285.0 | 0.326 | 0.217 |
| 0.9 | 315.0 | 1.41 | 0.523 |
| 0.9 | 345.0 | 0.465 | 0.215 |
Experiment comment: