Measurement E9M164
| 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: | 0.6 — 0.7 GeV2 | |
| W: | 1.1 GeV | |
| ε: | 0.908 | |
| 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 | 45.0 | 0.689 | 0.743 |
| -0.9 | 75.0 | 1.09 | 1.32 |
| -0.9 | 105.0 | 0.263 | 0.287 |
| -0.9 | 135.0 | 0.745 | 0.578 |
| -0.9 | 165.0 | 0.448 | 0.36 |
| -0.9 | 195.0 | 0.154 | 0.164 |
| -0.9 | 225.0 | 0.397 | 0.349 |
| -0.9 | 255.0 | 0.31 | 0.28 |
| -0.9 | 285.0 | 0.491 | 0.593 |
| -0.9 | 315.0 | 0.69 | 0.844 |
| -0.9 | 345.0 | 0.116 | 0.146 |
| -0.7 | 45.0 | 0.356 | 0.511 |
| -0.7 | 75.0 | 0.629 | 0.74 |
| -0.7 | 105.0 | 0.335 | 0.225 |
| -0.7 | 135.0 | 0.473 | 0.378 |
| -0.7 | 165.0 | 2.53 | 1.8 |
| -0.7 | 195.0 | 0.734 | 0.574 |
| -0.7 | 225.0 | 1.25 | 0.97 |
| -0.7 | 255.0 | 2.5 | 2.21 |
| -0.7 | 285.0 | 0.171 | 0.15 |
| -0.7 | 315.0 | 1.77 | 2.1 |
| -0.5 | 45.0 | 0.247 | 0.173 |
| -0.5 | 75.0 | 0.466 | 0.573 |
| -0.5 | 105.0 | 2.04 | 1.68 |
| -0.5 | 135.0 | 1.34 | 0.957 |
| -0.5 | 165.0 | 2.87 | 1.94 |
| -0.5 | 195.0 | 0.604 | 0.359 |
| -0.5 | 225.0 | 3.23 | 1.83 |
| -0.5 | 255.0 | 0.917 | 0.562 |
| -0.5 | 285.0 | 0.348 | 0.252 |
| -0.5 | 345.0 | 6.59 | 7.58 |
| -0.3 | 45.0 | 0.268 | 0.221 |
| -0.3 | 75.0 | 0.218 | 0.249 |
| -0.3 | 105.0 | 1.82 | 1.03 |
| -0.3 | 135.0 | 1.68 | 0.914 |
| -0.3 | 165.0 | 1.37 | 0.914 |
| -0.3 | 195.0 | 0.563 | 0.356 |
| -0.3 | 225.0 | 3.41 | 1.77 |
| -0.3 | 255.0 | 0.453 | 0.278 |
| -0.3 | 285.0 | 0.255 | 0.199 |
| -0.3 | 315.0 | 0.128 | 0.141 |
| -0.3 | 345.0 | 0.251 | 0.281 |
| -0.1 | 15.0 | 0.852 | 0.626 |
| -0.1 | 45.0 | 4.21 | 4.8 |
| -0.1 | 75.0 | 0.406 | 0.242 |
| -0.1 | 105.0 | 1.34 | 1.18 |
| -0.1 | 135.0 | 3.29 | 1.79 |
| -0.1 | 165.0 | 1.85 | 0.942 |
| -0.1 | 195.0 | 4.5 | 2.32 |
| -0.1 | 225.0 | 2.78 | 1.36 |
| -0.1 | 255.0 | 3.53 | 2.49 |
| -0.1 | 285.0 | 0.289 | 0.226 |
| -0.1 | 315.0 | 0.684 | 0.476 |
| 0.1 | 15.0 | 1.02 | 1.46 |
| 0.1 | 75.0 | 2.8 | 2.44 |
| 0.1 | 105.0 | 1.91 | 1.03 |
| 0.1 | 135.0 | 4.33 | 2.21 |
| 0.1 | 165.0 | 3.65 | 1.75 |
| 0.1 | 195.0 | 3.44 | 1.76 |
| 0.1 | 225.0 | 1.81 | 0.844 |
| 0.1 | 255.0 | 2.26 | 1.16 |
| 0.1 | 285.0 | 4.68 | 2.81 |
| 0.1 | 315.0 | 0.77 | 0.513 |
| 0.1 | 345.0 | 1.57 | 1.11 |
| 0.3 | 15.0 | 0.936 | 0.719 |
| 0.3 | 45.0 | 0.93 | 0.663 |
| 0.3 | 75.0 | 0.742 | 0.51 |
| 0.3 | 105.0 | 1.02 | 0.825 |
| 0.3 | 135.0 | 2.4 | 1.28 |
| 0.3 | 165.0 | 1.21 | 0.623 |
| 0.3 | 195.0 | 1.93 | 0.908 |
| 0.3 | 225.0 | 1.64 | 0.897 |
| 0.3 | 255.0 | 1.62 | 0.805 |
| 0.3 | 285.0 | 0.996 | 0.55 |
| 0.3 | 315.0 | 2.02 | 2.49 |
| 0.5 | 15.0 | 0.943 | 0.741 |
| 0.5 | 45.0 | 0.489 | 0.568 |
| 0.5 | 75.0 | 1.03 | 0.791 |
| 0.5 | 105.0 | 2.35 | 1.25 |
| 0.5 | 135.0 | 1.25 | 0.594 |
| 0.5 | 165.0 | 1.99 | 0.832 |
| 0.5 | 195.0 | 1.21 | 0.518 |
| 0.5 | 225.0 | 2.34 | 1.3 |
| 0.5 | 255.0 | 3.26 | 1.84 |
| 0.5 | 285.0 | 1.67 | 0.851 |
| 0.5 | 315.0 | 1.0 | 0.7 |
| 0.5 | 345.0 | 1.35 | 1.27 |
| 0.7 | 15.0 | 1.87 | 1.23 |
| 0.7 | 45.0 | 1.89 | 1.21 |
| 0.7 | 75.0 | 1.45 | 0.865 |
| 0.7 | 105.0 | 0.924 | 0.596 |
| 0.7 | 135.0 | 5.31 | 2.9 |
| 0.7 | 165.0 | 4.31 | 1.84 |
| 0.7 | 195.0 | 3.24 | 1.73 |
| 0.7 | 225.0 | 4.28 | 2.62 |
| 0.7 | 255.0 | 1.97 | 0.862 |
| 0.7 | 285.0 | 3.36 | 2.29 |
| 0.7 | 315.0 | 0.776 | 0.527 |
| 0.7 | 345.0 | 3.34 | 4.12 |
| 0.9 | 15.0 | 0.356 | 0.398 |
| 0.9 | 45.0 | 0.149 | 0.156 |
| 0.9 | 75.0 | 0.833 | 0.704 |
| 0.9 | 105.0 | 1.15 | 0.625 |
| 0.9 | 135.0 | 1.12 | 0.649 |
| 0.9 | 165.0 | 2.98 | 2.0 |
| 0.9 | 195.0 | 6.34 | 3.15 |
| 0.9 | 225.0 | 1.17 | 0.948 |
| 0.9 | 255.0 | 0.531 | 0.307 |
| 0.9 | 285.0 | 0.633 | 0.492 |
| 0.9 | 345.0 | 7.05 | 6.2 |
Experiment comment: