Measurement E9M223
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.68 GeV | |
| ε: | 0.619 | |
| 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 | 1.18 | 0.378 |
| -0.9 | 45.0 | 0.455 | 0.163 |
| -0.9 | 75.0 | 1.38 | 0.64 |
| -0.9 | 105.0 | 0.779 | 0.677 |
| -0.9 | 135.0 | 0.209 | 0.223 |
| -0.9 | 165.0 | 0.33 | 0.35 |
| -0.9 | 195.0 | 0.197 | 0.209 |
| -0.9 | 225.0 | 0.293 | 0.315 |
| -0.9 | 255.0 | 1.93 | 1.59 |
| -0.9 | 285.0 | 7.0 | 5.5 |
| -0.9 | 315.0 | 0.764 | 0.319 |
| -0.9 | 345.0 | 1.51 | 0.427 |
| -0.7 | 15.0 | 0.818 | 0.211 |
| -0.7 | 45.0 | 0.944 | 0.358 |
| -0.7 | 75.0 | 0.744 | 0.431 |
| -0.7 | 105.0 | 0.387 | 0.182 |
| -0.7 | 135.0 | 2.29 | 1.2 |
| -0.7 | 255.0 | 0.98 | 0.5 |
| -0.7 | 285.0 | 0.0793 | 0.0825 |
| -0.7 | 315.0 | 1.02 | 0.439 |
| -0.7 | 345.0 | 0.79 | 0.225 |
| -0.5 | 15.0 | 1.85 | 0.443 |
| -0.5 | 45.0 | 0.406 | 0.184 |
| -0.5 | 75.0 | 0.47 | 0.222 |
| -0.5 | 105.0 | 0.535 | 0.201 |
| -0.5 | 135.0 | 0.836 | 0.31 |
| -0.5 | 225.0 | 1.02 | 0.465 |
| -0.5 | 255.0 | 0.247 | 0.11 |
| -0.5 | 285.0 | 0.922 | 0.429 |
| -0.5 | 315.0 | 0.657 | 0.325 |
| -0.5 | 345.0 | 1.02 | 0.292 |
| -0.3 | 15.0 | 1.2 | 0.332 |
| -0.3 | 45.0 | 0.871 | 0.396 |
| -0.3 | 75.0 | 0.475 | 0.199 |
| -0.3 | 105.0 | 0.745 | 0.225 |
| -0.3 | 135.0 | 1.47 | 0.684 |
| -0.3 | 225.0 | 2.45 | 1.15 |
| -0.3 | 255.0 | 1.11 | 0.323 |
| -0.3 | 285.0 | 0.686 | 0.244 |
| -0.3 | 315.0 | 1.17 | 0.493 |
| -0.3 | 345.0 | 0.432 | 0.158 |
| -0.1 | 15.0 | 1.48 | 0.795 |
| -0.1 | 45.0 | 0.887 | 0.406 |
| -0.1 | 75.0 | 1.03 | 0.276 |
| -0.1 | 105.0 | 1.57 | 0.361 |
| -0.1 | 135.0 | 1.13 | 0.584 |
| -0.1 | 165.0 | 0.191 | 0.197 |
| -0.1 | 195.0 | 1.09 | 0.919 |
| -0.1 | 225.0 | 1.02 | 0.508 |
| -0.1 | 255.0 | 1.26 | 0.328 |
| -0.1 | 285.0 | 1.34 | 0.352 |
| -0.1 | 315.0 | 0.878 | 0.332 |
| -0.1 | 345.0 | 0.143 | 0.146 |
| 0.1 | 15.0 | 1.81 | 1.33 |
| 0.1 | 45.0 | 0.592 | 0.362 |
| 0.1 | 75.0 | 1.2 | 0.299 |
| 0.1 | 105.0 | 1.01 | 0.286 |
| 0.1 | 135.0 | 2.71 | 0.88 |
| 0.1 | 165.0 | 1.43 | 0.562 |
| 0.1 | 195.0 | 0.575 | 0.317 |
| 0.1 | 225.0 | 1.94 | 0.751 |
| 0.1 | 255.0 | 2.91 | 0.673 |
| 0.1 | 285.0 | 2.11 | 0.534 |
| 0.1 | 315.0 | 1.24 | 0.588 |
| 0.1 | 345.0 | 1.8 | 0.936 |
| 0.3 | 15.0 | 1.38 | 0.838 |
| 0.3 | 45.0 | 0.779 | 0.285 |
| 0.3 | 75.0 | 1.05 | 0.264 |
| 0.3 | 105.0 | 2.04 | 0.494 |
| 0.3 | 135.0 | 1.03 | 0.299 |
| 0.3 | 165.0 | 2.76 | 1.04 |
| 0.3 | 195.0 | 1.2 | 0.578 |
| 0.3 | 225.0 | 3.54 | 1.01 |
| 0.3 | 255.0 | 1.76 | 0.442 |
| 0.3 | 285.0 | 2.53 | 0.539 |
| 0.3 | 315.0 | 0.931 | 0.321 |
| 0.3 | 345.0 | 0.339 | 0.21 |
| 0.5 | 15.0 | 0.615 | 0.397 |
| 0.5 | 45.0 | 0.712 | 0.293 |
| 0.5 | 75.0 | 1.37 | 0.315 |
| 0.5 | 105.0 | 0.965 | 0.341 |
| 0.5 | 135.0 | 3.85 | 0.978 |
| 0.5 | 165.0 | 0.567 | 0.26 |
| 0.5 | 195.0 | 2.19 | 0.752 |
| 0.5 | 225.0 | 1.19 | 0.361 |
| 0.5 | 255.0 | 2.16 | 0.61 |
| 0.5 | 285.0 | 2.12 | 0.401 |
| 0.5 | 315.0 | 1.1 | 0.372 |
| 0.5 | 345.0 | 0.454 | 0.354 |
| 0.7 | 15.0 | 0.85 | 0.404 |
| 0.7 | 45.0 | 0.483 | 0.259 |
| 0.7 | 75.0 | 1.67 | 0.332 |
| 0.7 | 105.0 | 1.63 | 0.417 |
| 0.7 | 135.0 | 1.04 | 0.282 |
| 0.7 | 165.0 | 1.24 | 0.509 |
| 0.7 | 195.0 | 1.24 | 0.554 |
| 0.7 | 225.0 | 1.71 | 0.479 |
| 0.7 | 255.0 | 1.36 | 0.352 |
| 0.7 | 285.0 | 1.33 | 0.294 |
| 0.7 | 315.0 | 1.22 | 0.37 |
| 0.7 | 345.0 | 1.26 | 0.457 |
| 0.9 | 15.0 | 1.46 | 0.624 |
| 0.9 | 45.0 | 1.52 | 0.592 |
| 0.9 | 75.0 | 3.54 | 0.778 |
| 0.9 | 105.0 | 1.37 | 0.353 |
| 0.9 | 135.0 | 1.39 | 0.45 |
| 0.9 | 165.0 | 2.77 | 1.38 |
| 0.9 | 195.0 | 0.819 | 0.422 |
| 0.9 | 225.0 | 1.74 | 0.706 |
| 0.9 | 255.0 | 1.31 | 0.348 |
| 0.9 | 285.0 | 1.51 | 0.356 |
| 0.9 | 315.0 | 1.16 | 0.452 |
| 0.9 | 345.0 | 1.44 | 0.592 |
Experiment comment: