Measurement E9M52
| 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: | 1.52 GeV | |
| ε: | 0.495 | |
| 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 | 0.301 | 0.166 |
| -0.9 | 45.0 | 0.195 | 0.157 |
| -0.9 | 75.0 | 0.122 | 0.097 |
| -0.9 | 105.0 | 0.127 | 0.138 |
| -0.9 | 135.0 | 0.889 | 0.675 |
| -0.9 | 165.0 | 0.308 | 0.193 |
| -0.9 | 195.0 | 0.976 | 0.557 |
| -0.9 | 225.0 | 0.449 | 0.28 |
| -0.9 | 255.0 | 0.671 | 0.461 |
| -0.9 | 285.0 | 0.52 | 0.392 |
| -0.9 | 315.0 | 0.847 | 0.453 |
| -0.9 | 345.0 | 0.378 | 0.231 |
| -0.7 | 15.0 | 0.586 | 0.273 |
| -0.7 | 45.0 | 0.936 | 0.382 |
| -0.7 | 75.0 | 0.838 | 0.476 |
| -0.7 | 105.0 | 0.195 | 0.125 |
| -0.7 | 135.0 | 0.19 | 0.206 |
| -0.7 | 165.0 | 0.999 | 0.918 |
| -0.7 | 195.0 | 1.55 | 1.11 |
| -0.7 | 255.0 | 0.828 | 0.508 |
| -0.7 | 285.0 | 0.756 | 0.314 |
| -0.7 | 315.0 | 0.384 | 0.162 |
| -0.7 | 345.0 | 0.433 | 0.222 |
| -0.5 | 45.0 | 1.38 | 0.532 |
| -0.5 | 75.0 | 0.475 | 0.265 |
| -0.5 | 105.0 | 0.293 | 0.181 |
| -0.5 | 135.0 | 0.433 | 0.279 |
| -0.5 | 165.0 | 3.55 | 5.03 |
| -0.5 | 225.0 | 0.881 | 0.628 |
| -0.5 | 255.0 | 1.29 | 0.546 |
| -0.5 | 285.0 | 0.639 | 0.245 |
| -0.5 | 315.0 | 0.425 | 0.209 |
| -0.3 | 15.0 | 0.15 | 0.156 |
| -0.3 | 45.0 | 0.665 | 0.312 |
| -0.3 | 75.0 | 0.935 | 0.345 |
| -0.3 | 105.0 | 0.83 | 0.298 |
| -0.3 | 135.0 | 1.68 | 0.57 |
| -0.3 | 225.0 | 1.51 | 0.654 |
| -0.3 | 255.0 | 1.15 | 0.373 |
| -0.3 | 285.0 | 0.944 | 0.347 |
| -0.3 | 315.0 | 1.04 | 0.413 |
| -0.3 | 345.0 | 0.927 | 0.53 |
| -0.1 | 45.0 | 1.09 | 0.387 |
| -0.1 | 75.0 | 1.14 | 0.385 |
| -0.1 | 105.0 | 1.76 | 0.469 |
| -0.1 | 135.0 | 0.919 | 0.367 |
| -0.1 | 225.0 | 2.86 | 0.85 |
| -0.1 | 255.0 | 1.23 | 0.415 |
| -0.1 | 285.0 | 1.45 | 0.458 |
| -0.1 | 315.0 | 1.01 | 0.368 |
| -0.1 | 345.0 | 1.07 | 0.653 |
| 0.1 | 15.0 | 0.721 | 0.41 |
| 0.1 | 45.0 | 1.03 | 0.362 |
| 0.1 | 75.0 | 0.959 | 0.268 |
| 0.1 | 105.0 | 0.738 | 0.208 |
| 0.1 | 135.0 | 3.0 | 0.951 |
| 0.1 | 225.0 | 1.66 | 0.475 |
| 0.1 | 255.0 | 0.852 | 0.236 |
| 0.1 | 285.0 | 1.05 | 0.32 |
| 0.1 | 315.0 | 1.49 | 0.496 |
| 0.1 | 345.0 | 0.519 | 0.398 |
| 0.3 | 15.0 | 1.55 | 0.893 |
| 0.3 | 45.0 | 0.647 | 0.347 |
| 0.3 | 75.0 | 1.63 | 0.512 |
| 0.3 | 105.0 | 1.15 | 0.29 |
| 0.3 | 135.0 | 2.47 | 0.872 |
| 0.3 | 225.0 | 0.949 | 0.343 |
| 0.3 | 255.0 | 1.51 | 0.379 |
| 0.3 | 285.0 | 0.909 | 0.319 |
| 0.3 | 315.0 | 0.669 | 0.224 |
| 0.3 | 345.0 | 0.653 | 0.416 |
| 0.5 | 15.0 | 1.2 | 0.541 |
| 0.5 | 45.0 | 1.57 | 0.585 |
| 0.5 | 75.0 | 1.52 | 0.426 |
| 0.5 | 105.0 | 0.843 | 0.267 |
| 0.5 | 135.0 | 0.5 | 0.224 |
| 0.5 | 225.0 | 1.56 | 0.658 |
| 0.5 | 255.0 | 0.825 | 0.243 |
| 0.5 | 285.0 | 0.76 | 0.267 |
| 0.5 | 315.0 | 1.01 | 0.34 |
| 0.5 | 345.0 | 0.751 | 0.368 |
| 0.7 | 15.0 | 0.267 | 0.294 |
| 0.7 | 45.0 | 0.514 | 0.343 |
| 0.7 | 75.0 | 0.381 | 0.176 |
| 0.7 | 105.0 | 0.94 | 0.34 |
| 0.7 | 135.0 | 0.691 | 0.34 |
| 0.7 | 225.0 | 0.298 | 0.159 |
| 0.7 | 255.0 | 1.06 | 0.386 |
| 0.7 | 285.0 | 1.23 | 0.441 |
| 0.7 | 315.0 | 0.563 | 0.261 |
| 0.7 | 345.0 | 2.53 | 1.43 |
| 0.9 | 15.0 | 0.704 | 0.888 |
| 0.9 | 45.0 | 0.178 | 0.141 |
| 0.9 | 75.0 | 1.88 | 0.968 |
| 0.9 | 105.0 | 0.14 | 0.152 |
| 0.9 | 135.0 | 1.13 | 1.06 |
| 0.9 | 255.0 | 0.324 | 0.197 |
| 0.9 | 285.0 | 0.128 | 0.0849 |
| 0.9 | 315.0 | 0.725 | 0.536 |
| 0.9 | 345.0 | 0.184 | 0.228 |
Experiment comment: