Measurement E9M30
| 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: | 0.35 — 0.45 GeV2 | |
| W: | 1.68 GeV | |
| ε: | 0.361 | |
| 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 | 1.27 | 0.484 |
| -0.9 | 45.0 | 0.875 | 0.487 |
| -0.9 | 75.0 | 1.26 | 0.996 |
| -0.9 | 105.0 | 0.639 | 0.502 |
| -0.9 | 225.0 | 0.903 | 1.04 |
| -0.9 | 255.0 | 0.69 | 0.428 |
| -0.9 | 285.0 | 15.4 | 17.2 |
| -0.9 | 315.0 | 1.38 | 0.648 |
| -0.9 | 345.0 | 1.01 | 0.349 |
| -0.7 | 15.0 | 3.13 | 1.01 |
| -0.7 | 45.0 | 1.1 | 0.46 |
| -0.7 | 75.0 | 1.49 | 0.601 |
| -0.7 | 105.0 | 1.15 | 0.5 |
| -0.7 | 135.0 | 1.85 | 2.08 |
| -0.7 | 225.0 | 1.45 | 1.14 |
| -0.7 | 255.0 | 1.02 | 0.426 |
| -0.7 | 285.0 | 1.27 | 0.477 |
| -0.7 | 315.0 | 1.35 | 0.581 |
| -0.7 | 345.0 | 1.58 | 0.508 |
| -0.5 | 15.0 | 1.44 | 0.499 |
| -0.5 | 45.0 | 1.37 | 0.541 |
| -0.5 | 75.0 | 0.816 | 0.275 |
| -0.5 | 105.0 | 1.56 | 0.508 |
| -0.5 | 135.0 | 3.45 | 1.53 |
| -0.5 | 165.0 | 1.46 | 1.61 |
| -0.5 | 225.0 | 2.47 | 1.29 |
| -0.5 | 255.0 | 1.01 | 0.394 |
| -0.5 | 285.0 | 0.386 | 0.203 |
| -0.5 | 315.0 | 2.57 | 1.06 |
| -0.5 | 345.0 | 1.07 | 0.434 |
| -0.3 | 15.0 | 1.05 | 0.335 |
| -0.3 | 45.0 | 1.43 | 0.54 |
| -0.3 | 75.0 | 1.09 | 0.369 |
| -0.3 | 105.0 | 1.74 | 0.655 |
| -0.3 | 135.0 | 1.32 | 0.513 |
| -0.3 | 165.0 | 1.05 | 1.12 |
| -0.3 | 195.0 | 1.56 | 0.789 |
| -0.3 | 225.0 | 1.93 | 0.655 |
| -0.3 | 255.0 | 0.878 | 0.402 |
| -0.3 | 285.0 | 0.494 | 0.235 |
| -0.3 | 315.0 | 1.09 | 0.538 |
| -0.3 | 345.0 | 0.547 | 0.209 |
| -0.1 | 15.0 | 1.51 | 0.663 |
| -0.1 | 45.0 | 0.409 | 0.302 |
| -0.1 | 75.0 | 2.55 | 0.641 |
| -0.1 | 105.0 | 2.71 | 0.972 |
| -0.1 | 135.0 | 2.23 | 0.661 |
| -0.1 | 165.0 | 0.525 | 0.396 |
| -0.1 | 195.0 | 1.86 | 1.1 |
| -0.1 | 225.0 | 1.09 | 0.381 |
| -0.1 | 255.0 | 1.66 | 0.567 |
| -0.1 | 285.0 | 1.45 | 0.452 |
| -0.1 | 315.0 | 0.529 | 0.322 |
| -0.1 | 345.0 | 0.45 | 0.466 |
| 0.1 | 15.0 | 0.883 | 0.67 |
| 0.1 | 45.0 | 0.81 | 0.495 |
| 0.1 | 75.0 | 1.07 | 0.322 |
| 0.1 | 105.0 | 2.89 | 1.1 |
| 0.1 | 135.0 | 1.63 | 0.463 |
| 0.1 | 165.0 | 1.8 | 0.674 |
| 0.1 | 195.0 | 1.34 | 0.537 |
| 0.1 | 225.0 | 1.97 | 0.506 |
| 0.1 | 255.0 | 2.4 | 0.691 |
| 0.1 | 285.0 | 1.72 | 0.485 |
| 0.1 | 315.0 | 2.17 | 0.843 |
| 0.1 | 345.0 | 0.482 | 0.509 |
| 0.3 | 15.0 | 1.21 | 0.957 |
| 0.3 | 45.0 | 1.47 | 0.806 |
| 0.3 | 75.0 | 2.95 | 0.712 |
| 0.3 | 105.0 | 1.01 | 0.438 |
| 0.3 | 135.0 | 2.38 | 0.642 |
| 0.3 | 165.0 | 1.16 | 0.571 |
| 0.3 | 195.0 | 1.17 | 0.42 |
| 0.3 | 225.0 | 2.83 | 0.745 |
| 0.3 | 255.0 | 1.46 | 0.566 |
| 0.3 | 285.0 | 2.44 | 0.64 |
| 0.3 | 315.0 | 1.14 | 0.499 |
| 0.3 | 345.0 | 1.92 | 1.14 |
| 0.5 | 15.0 | 0.619 | 0.658 |
| 0.5 | 45.0 | 0.875 | 0.329 |
| 0.5 | 75.0 | 2.12 | 0.509 |
| 0.5 | 105.0 | 2.01 | 0.61 |
| 0.5 | 135.0 | 2.5 | 0.687 |
| 0.5 | 165.0 | 0.62 | 0.326 |
| 0.5 | 195.0 | 3.86 | 1.22 |
| 0.5 | 225.0 | 1.91 | 0.554 |
| 0.5 | 255.0 | 2.01 | 0.637 |
| 0.5 | 285.0 | 1.91 | 0.561 |
| 0.5 | 315.0 | 1.23 | 0.537 |
| 0.7 | 15.0 | 9.4 | 4.49 |
| 0.7 | 45.0 | 1.85 | 0.527 |
| 0.7 | 75.0 | 2.13 | 0.509 |
| 0.7 | 105.0 | 3.03 | 0.791 |
| 0.7 | 135.0 | 3.55 | 0.891 |
| 0.7 | 165.0 | 0.326 | 0.194 |
| 0.7 | 195.0 | 1.01 | 0.399 |
| 0.7 | 225.0 | 1.43 | 0.433 |
| 0.7 | 255.0 | 1.25 | 0.401 |
| 0.7 | 285.0 | 2.42 | 0.499 |
| 0.7 | 315.0 | 1.47 | 0.485 |
| 0.7 | 345.0 | 8.38 | 3.27 |
| 0.9 | 15.0 | 5.96 | 2.38 |
| 0.9 | 45.0 | 2.83 | 0.889 |
| 0.9 | 75.0 | 1.69 | 0.419 |
| 0.9 | 105.0 | 2.82 | 0.806 |
| 0.9 | 135.0 | 1.85 | 0.613 |
| 0.9 | 165.0 | 1.32 | 0.565 |
| 0.9 | 195.0 | 0.758 | 0.292 |
| 0.9 | 225.0 | 5.2 | 1.5 |
| 0.9 | 255.0 | 2.99 | 0.858 |
| 0.9 | 285.0 | 2.97 | 0.644 |
| 0.9 | 315.0 | 2.49 | 0.873 |
| 0.9 | 345.0 | 9.6 | 3.5 |
Experiment comment: