Measurement E9M99
| 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: | 0.45 — 0.6 GeV2 | |
| W: | 1.5 GeV | |
| ε: | 0.542 | |
| 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 | 0.133 | 0.0796 |
| -0.9 | 45.0 | 0.926 | 0.371 |
| -0.9 | 75.0 | 1.88 | 0.682 |
| -0.9 | 105.0 | 1.02 | 0.642 |
| -0.9 | 135.0 | 0.866 | 0.673 |
| -0.9 | 165.0 | 2.39 | 1.13 |
| -0.9 | 195.0 | 0.885 | 0.409 |
| -0.9 | 225.0 | 1.4 | 0.703 |
| -0.9 | 255.0 | 2.32 | 0.98 |
| -0.9 | 285.0 | 1.14 | 0.53 |
| -0.9 | 315.0 | 0.936 | 0.395 |
| -0.9 | 345.0 | 0.119 | 0.0625 |
| -0.7 | 15.0 | 0.905 | 0.274 |
| -0.7 | 45.0 | 1.41 | 0.398 |
| -0.7 | 75.0 | 1.47 | 0.533 |
| -0.7 | 105.0 | 1.4 | 0.458 |
| -0.7 | 135.0 | 2.61 | 0.875 |
| -0.7 | 195.0 | 7.96 | 7.28 |
| -0.7 | 225.0 | 2.0 | 0.725 |
| -0.7 | 255.0 | 2.06 | 0.626 |
| -0.7 | 285.0 | 1.92 | 0.587 |
| -0.7 | 315.0 | 1.08 | 0.375 |
| -0.7 | 345.0 | 0.531 | 0.18 |
| -0.5 | 15.0 | 1.01 | 0.283 |
| -0.5 | 45.0 | 1.18 | 0.362 |
| -0.5 | 75.0 | 2.37 | 0.523 |
| -0.5 | 105.0 | 3.53 | 0.626 |
| -0.5 | 135.0 | 4.03 | 0.823 |
| -0.5 | 225.0 | 3.79 | 0.855 |
| -0.5 | 255.0 | 2.91 | 0.534 |
| -0.5 | 285.0 | 2.44 | 0.578 |
| -0.5 | 315.0 | 1.59 | 0.408 |
| -0.5 | 345.0 | 0.91 | 0.27 |
| -0.3 | 15.0 | 2.15 | 0.504 |
| -0.3 | 45.0 | 1.72 | 0.473 |
| -0.3 | 75.0 | 4.12 | 0.705 |
| -0.3 | 105.0 | 4.14 | 0.641 |
| -0.3 | 135.0 | 5.25 | 1.24 |
| -0.3 | 225.0 | 3.61 | 0.921 |
| -0.3 | 255.0 | 3.22 | 0.472 |
| -0.3 | 285.0 | 2.98 | 0.588 |
| -0.3 | 315.0 | 2.57 | 0.627 |
| -0.3 | 345.0 | 1.13 | 0.311 |
| -0.1 | 15.0 | 2.02 | 0.612 |
| -0.1 | 45.0 | 4.04 | 0.816 |
| -0.1 | 75.0 | 3.45 | 0.588 |
| -0.1 | 105.0 | 4.5 | 0.676 |
| -0.1 | 135.0 | 3.31 | 0.948 |
| -0.1 | 165.0 | 4.79 | 2.37 |
| -0.1 | 195.0 | 3.5 | 1.99 |
| -0.1 | 225.0 | 4.0 | 1.13 |
| -0.1 | 255.0 | 4.62 | 0.642 |
| -0.1 | 285.0 | 5.48 | 0.832 |
| -0.1 | 315.0 | 1.98 | 0.459 |
| -0.1 | 345.0 | 1.5 | 0.49 |
| 0.1 | 15.0 | 2.39 | 0.706 |
| 0.1 | 45.0 | 2.25 | 0.567 |
| 0.1 | 75.0 | 4.42 | 0.698 |
| 0.1 | 105.0 | 5.15 | 0.749 |
| 0.1 | 135.0 | 5.8 | 1.47 |
| 0.1 | 165.0 | 1.43 | 0.751 |
| 0.1 | 195.0 | 4.12 | 1.54 |
| 0.1 | 225.0 | 4.47 | 0.991 |
| 0.1 | 255.0 | 3.54 | 0.568 |
| 0.1 | 285.0 | 4.07 | 0.654 |
| 0.1 | 315.0 | 2.78 | 0.567 |
| 0.1 | 345.0 | 2.61 | 0.813 |
| 0.3 | 15.0 | 2.41 | 0.701 |
| 0.3 | 45.0 | 2.82 | 0.585 |
| 0.3 | 75.0 | 3.78 | 0.586 |
| 0.3 | 105.0 | 4.39 | 0.786 |
| 0.3 | 135.0 | 3.05 | 0.665 |
| 0.3 | 165.0 | 1.73 | 0.705 |
| 0.3 | 195.0 | 3.66 | 1.25 |
| 0.3 | 225.0 | 3.07 | 0.733 |
| 0.3 | 255.0 | 4.96 | 0.817 |
| 0.3 | 285.0 | 3.38 | 0.542 |
| 0.3 | 315.0 | 3.02 | 0.636 |
| 0.3 | 345.0 | 4.6 | 1.27 |
| 0.5 | 15.0 | 1.72 | 0.468 |
| 0.5 | 45.0 | 2.87 | 0.592 |
| 0.5 | 75.0 | 2.98 | 0.478 |
| 0.5 | 105.0 | 3.01 | 0.597 |
| 0.5 | 135.0 | 4.87 | 1.07 |
| 0.5 | 165.0 | 1.87 | 0.718 |
| 0.5 | 195.0 | 2.08 | 0.648 |
| 0.5 | 225.0 | 2.15 | 0.513 |
| 0.5 | 255.0 | 2.15 | 0.434 |
| 0.5 | 285.0 | 2.27 | 0.4 |
| 0.5 | 315.0 | 2.5 | 0.547 |
| 0.5 | 345.0 | 2.22 | 0.531 |
| 0.7 | 15.0 | 2.92 | 0.741 |
| 0.7 | 45.0 | 1.36 | 0.385 |
| 0.7 | 75.0 | 2.44 | 0.427 |
| 0.7 | 105.0 | 2.82 | 0.631 |
| 0.7 | 135.0 | 2.25 | 0.543 |
| 0.7 | 165.0 | 1.68 | 0.596 |
| 0.7 | 195.0 | 3.35 | 1.12 |
| 0.7 | 225.0 | 1.39 | 0.399 |
| 0.7 | 255.0 | 3.42 | 0.661 |
| 0.7 | 285.0 | 2.33 | 0.433 |
| 0.7 | 315.0 | 4.08 | 0.936 |
| 0.7 | 345.0 | 3.35 | 0.822 |
| 0.9 | 15.0 | 2.5 | 0.82 |
| 0.9 | 45.0 | 2.07 | 0.561 |
| 0.9 | 75.0 | 2.19 | 0.481 |
| 0.9 | 105.0 | 1.36 | 0.351 |
| 0.9 | 135.0 | 0.461 | 0.22 |
| 0.9 | 165.0 | 0.709 | 0.553 |
| 0.9 | 195.0 | 0.882 | 0.692 |
| 0.9 | 225.0 | 2.16 | 1.12 |
| 0.9 | 255.0 | 1.85 | 0.469 |
| 0.9 | 285.0 | 2.45 | 0.629 |
| 0.9 | 315.0 | 4.05 | 1.21 |
| 0.9 | 345.0 | 1.82 | 0.69 |
Experiment comment: