Measurement E9M90
| 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: | 1.32 GeV | |
| ε: | 0.717 | |
| 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 | 1.26 | 0.357 |
| -0.9 | 45.0 | 2.42 | 0.575 |
| -0.9 | 75.0 | 1.95 | 0.524 |
| -0.9 | 105.0 | 1.01 | 0.381 |
| -0.9 | 135.0 | 1.48 | 0.437 |
| -0.9 | 165.0 | 2.01 | 0.568 |
| -0.9 | 195.0 | 0.954 | 0.319 |
| -0.9 | 225.0 | 3.97 | 0.991 |
| -0.9 | 255.0 | 2.8 | 0.776 |
| -0.9 | 285.0 | 1.19 | 0.346 |
| -0.9 | 315.0 | 0.774 | 0.29 |
| -0.9 | 345.0 | 1.3 | 0.351 |
| -0.7 | 15.0 | 2.56 | 0.496 |
| -0.7 | 45.0 | 3.5 | 0.65 |
| -0.7 | 75.0 | 3.5 | 0.672 |
| -0.7 | 105.0 | 4.16 | 1.11 |
| -0.7 | 135.0 | 2.86 | 0.738 |
| -0.7 | 165.0 | 1.4 | 0.42 |
| -0.7 | 195.0 | 2.73 | 0.669 |
| -0.7 | 225.0 | 3.38 | 0.808 |
| -0.7 | 255.0 | 3.63 | 0.871 |
| -0.7 | 285.0 | 3.89 | 0.784 |
| -0.7 | 315.0 | 3.73 | 0.651 |
| -0.7 | 345.0 | 2.32 | 0.426 |
| -0.5 | 15.0 | 2.87 | 0.41 |
| -0.5 | 45.0 | 4.4 | 0.68 |
| -0.5 | 75.0 | 6.31 | 1.13 |
| -0.5 | 105.0 | 7.39 | 1.44 |
| -0.5 | 135.0 | 3.72 | 1.15 |
| -0.5 | 165.0 | 2.48 | 0.616 |
| -0.5 | 195.0 | 5.16 | 1.45 |
| -0.5 | 225.0 | 4.66 | 1.53 |
| -0.5 | 255.0 | 11.1 | 2.41 |
| -0.5 | 285.0 | 4.6 | 0.902 |
| -0.5 | 315.0 | 5.23 | 0.788 |
| -0.5 | 345.0 | 3.86 | 0.561 |
| -0.3 | 15.0 | 2.35 | 0.366 |
| -0.3 | 45.0 | 3.63 | 0.543 |
| -0.3 | 75.0 | 6.3 | 1.05 |
| -0.3 | 105.0 | 6.32 | 1.21 |
| -0.3 | 135.0 | 3.91 | 0.99 |
| -0.3 | 165.0 | 4.05 | 1.44 |
| -0.3 | 195.0 | 2.99 | 1.26 |
| -0.3 | 225.0 | 3.65 | 1.0 |
| -0.3 | 255.0 | 5.18 | 1.04 |
| -0.3 | 285.0 | 6.01 | 1.03 |
| -0.3 | 315.0 | 5.23 | 0.743 |
| -0.3 | 345.0 | 4.33 | 0.632 |
| -0.1 | 15.0 | 3.94 | 0.601 |
| -0.1 | 45.0 | 5.22 | 0.731 |
| -0.1 | 75.0 | 7.55 | 1.2 |
| -0.1 | 105.0 | 5.95 | 0.993 |
| -0.1 | 135.0 | 5.86 | 1.07 |
| -0.1 | 165.0 | 21.5 | 19.7 |
| -0.1 | 195.0 | 2.76 | 1.18 |
| -0.1 | 225.0 | 7.22 | 1.29 |
| -0.1 | 255.0 | 6.68 | 1.04 |
| -0.1 | 285.0 | 8.5 | 1.27 |
| -0.1 | 315.0 | 3.94 | 0.551 |
| -0.1 | 345.0 | 2.77 | 0.432 |
| 0.1 | 15.0 | 3.94 | 0.588 |
| 0.1 | 45.0 | 6.56 | 0.914 |
| 0.1 | 75.0 | 5.28 | 0.884 |
| 0.1 | 105.0 | 7.88 | 1.05 |
| 0.1 | 135.0 | 6.14 | 1.0 |
| 0.1 | 165.0 | 6.81 | 3.21 |
| 0.1 | 195.0 | 3.85 | 1.82 |
| 0.1 | 225.0 | 6.7 | 1.05 |
| 0.1 | 255.0 | 6.4 | 0.937 |
| 0.1 | 285.0 | 7.19 | 1.02 |
| 0.1 | 315.0 | 6.88 | 0.936 |
| 0.1 | 345.0 | 3.35 | 0.492 |
| 0.3 | 15.0 | 3.53 | 0.517 |
| 0.3 | 45.0 | 5.02 | 0.763 |
| 0.3 | 75.0 | 7.41 | 1.05 |
| 0.3 | 105.0 | 6.68 | 0.897 |
| 0.3 | 135.0 | 5.98 | 0.903 |
| 0.3 | 165.0 | 8.01 | 2.79 |
| 0.3 | 195.0 | 2.75 | 1.15 |
| 0.3 | 225.0 | 5.96 | 0.893 |
| 0.3 | 255.0 | 6.92 | 0.957 |
| 0.3 | 285.0 | 9.14 | 1.27 |
| 0.3 | 315.0 | 5.34 | 0.789 |
| 0.3 | 345.0 | 3.39 | 0.503 |
| 0.5 | 15.0 | 3.17 | 0.481 |
| 0.5 | 45.0 | 3.7 | 0.597 |
| 0.5 | 75.0 | 4.32 | 0.722 |
| 0.5 | 105.0 | 5.98 | 0.884 |
| 0.5 | 135.0 | 5.21 | 0.914 |
| 0.5 | 165.0 | 2.15 | 1.2 |
| 0.5 | 195.0 | 6.02 | 2.48 |
| 0.5 | 225.0 | 4.95 | 0.858 |
| 0.5 | 255.0 | 6.41 | 0.904 |
| 0.5 | 285.0 | 7.52 | 1.18 |
| 0.5 | 315.0 | 4.4 | 0.705 |
| 0.5 | 345.0 | 5.44 | 0.779 |
| 0.7 | 15.0 | 2.37 | 0.442 |
| 0.7 | 45.0 | 3.15 | 0.555 |
| 0.7 | 75.0 | 4.39 | 0.859 |
| 0.7 | 105.0 | 3.15 | 0.564 |
| 0.7 | 135.0 | 4.9 | 1.05 |
| 0.7 | 165.0 | 0.664 | 0.398 |
| 0.7 | 195.0 | 5.39 | 2.44 |
| 0.7 | 225.0 | 5.76 | 1.11 |
| 0.7 | 255.0 | 5.51 | 0.866 |
| 0.7 | 285.0 | 5.6 | 1.05 |
| 0.7 | 315.0 | 3.21 | 0.568 |
| 0.7 | 345.0 | 3.74 | 0.567 |
| 0.9 | 15.0 | 1.12 | 0.316 |
| 0.9 | 45.0 | 1.95 | 0.511 |
| 0.9 | 75.0 | 3.45 | 0.872 |
| 0.9 | 105.0 | 1.4 | 0.425 |
| 0.9 | 135.0 | 1.04 | 0.461 |
| 0.9 | 165.0 | 2.16 | 0.869 |
| 0.9 | 195.0 | 3.06 | 1.14 |
| 0.9 | 225.0 | 4.81 | 1.6 |
| 0.9 | 255.0 | 2.45 | 0.691 |
| 0.9 | 285.0 | 2.92 | 0.733 |
| 0.9 | 315.0 | 2.08 | 0.498 |
| 0.9 | 345.0 | 1.93 | 0.409 |
Experiment comment: