Measurement E9M174
| 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: | 1.3 GeV | |
| ε: | 0.862 | |
| 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 | 1.86 | 0.498 |
| -0.9 | 45.0 | 2.21 | 0.626 |
| -0.9 | 75.0 | 3.04 | 0.774 |
| -0.9 | 105.0 | 2.71 | 0.707 |
| -0.9 | 135.0 | 3.39 | 0.873 |
| -0.9 | 165.0 | 1.98 | 0.614 |
| -0.9 | 195.0 | 2.28 | 0.876 |
| -0.9 | 225.0 | 2.9 | 0.758 |
| -0.9 | 255.0 | 3.93 | 1.08 |
| -0.9 | 285.0 | 3.96 | 1.02 |
| -0.9 | 315.0 | 2.85 | 0.694 |
| -0.9 | 345.0 | 1.3 | 0.413 |
| -0.7 | 15.0 | 2.8 | 0.545 |
| -0.7 | 45.0 | 4.01 | 0.77 |
| -0.7 | 75.0 | 5.6 | 1.0 |
| -0.7 | 105.0 | 4.62 | 0.973 |
| -0.7 | 135.0 | 3.45 | 0.813 |
| -0.7 | 165.0 | 2.76 | 0.603 |
| -0.7 | 195.0 | 2.08 | 0.451 |
| -0.7 | 225.0 | 3.47 | 0.82 |
| -0.7 | 255.0 | 5.41 | 1.04 |
| -0.7 | 285.0 | 5.35 | 0.948 |
| -0.7 | 315.0 | 3.62 | 0.68 |
| -0.7 | 345.0 | 2.32 | 0.468 |
| -0.5 | 15.0 | 2.58 | 0.437 |
| -0.5 | 45.0 | 3.55 | 0.49 |
| -0.5 | 75.0 | 9.87 | 1.45 |
| -0.5 | 105.0 | 5.91 | 1.47 |
| -0.5 | 135.0 | 4.47 | 1.04 |
| -0.5 | 165.0 | 2.97 | 0.614 |
| -0.5 | 195.0 | 2.72 | 0.602 |
| -0.5 | 225.0 | 3.15 | 0.851 |
| -0.5 | 255.0 | 3.66 | 0.887 |
| -0.5 | 285.0 | 6.54 | 0.971 |
| -0.5 | 315.0 | 6.37 | 0.899 |
| -0.5 | 345.0 | 3.29 | 0.525 |
| -0.3 | 15.0 | 3.14 | 0.558 |
| -0.3 | 45.0 | 6.79 | 0.869 |
| -0.3 | 75.0 | 5.78 | 1.07 |
| -0.3 | 105.0 | 14.0 | 3.54 |
| -0.3 | 135.0 | 4.71 | 1.56 |
| -0.3 | 165.0 | 2.68 | 0.647 |
| -0.3 | 195.0 | 3.76 | 0.918 |
| -0.3 | 225.0 | 3.05 | 1.1 |
| -0.3 | 255.0 | 10.8 | 2.73 |
| -0.3 | 285.0 | 6.44 | 1.15 |
| -0.3 | 315.0 | 5.72 | 0.748 |
| -0.3 | 345.0 | 3.67 | 0.588 |
| -0.1 | 15.0 | 4.57 | 0.682 |
| -0.1 | 45.0 | 7.02 | 0.927 |
| -0.1 | 75.0 | 8.68 | 1.68 |
| -0.1 | 105.0 | 9.31 | 3.42 |
| -0.1 | 135.0 | 3.72 | 2.04 |
| -0.1 | 165.0 | 3.56 | 0.939 |
| -0.1 | 195.0 | 4.54 | 0.983 |
| -0.1 | 225.0 | 9.81 | 4.06 |
| -0.1 | 255.0 | 4.99 | 2.2 |
| -0.1 | 285.0 | 8.1 | 1.5 |
| -0.1 | 315.0 | 5.13 | 0.713 |
| -0.1 | 345.0 | 3.04 | 0.535 |
| 0.1 | 15.0 | 3.09 | 0.541 |
| 0.1 | 45.0 | 4.58 | 0.67 |
| 0.1 | 75.0 | 8.01 | 1.84 |
| 0.1 | 105.0 | 6.45 | 2.29 |
| 0.1 | 135.0 | 18.3 | 8.63 |
| 0.1 | 165.0 | 2.3 | 0.712 |
| 0.1 | 195.0 | 5.33 | 1.21 |
| 0.1 | 225.0 | 10.6 | 4.25 |
| 0.1 | 255.0 | 8.06 | 2.28 |
| 0.1 | 285.0 | 8.38 | 1.77 |
| 0.1 | 315.0 | 5.78 | 0.747 |
| 0.1 | 345.0 | 2.88 | 0.506 |
| 0.3 | 15.0 | 2.89 | 0.505 |
| 0.3 | 45.0 | 5.72 | 0.852 |
| 0.3 | 75.0 | 7.51 | 1.75 |
| 0.3 | 105.0 | 5.92 | 1.56 |
| 0.3 | 135.0 | 8.97 | 3.06 |
| 0.3 | 165.0 | 3.38 | 1.22 |
| 0.3 | 195.0 | 5.36 | 1.57 |
| 0.3 | 225.0 | 11.3 | 3.83 |
| 0.3 | 255.0 | 9.44 | 2.24 |
| 0.3 | 285.0 | 6.92 | 1.48 |
| 0.3 | 315.0 | 4.25 | 0.623 |
| 0.3 | 345.0 | 2.28 | 0.411 |
| 0.5 | 15.0 | 2.14 | 0.45 |
| 0.5 | 45.0 | 4.07 | 0.664 |
| 0.5 | 75.0 | 5.24 | 1.53 |
| 0.5 | 105.0 | 6.3 | 1.59 |
| 0.5 | 135.0 | 5.7 | 1.9 |
| 0.5 | 165.0 | 3.91 | 1.28 |
| 0.5 | 195.0 | 4.44 | 1.31 |
| 0.5 | 225.0 | 8.55 | 2.64 |
| 0.5 | 255.0 | 8.15 | 2.46 |
| 0.5 | 285.0 | 5.16 | 1.24 |
| 0.5 | 315.0 | 4.09 | 0.623 |
| 0.5 | 345.0 | 3.25 | 0.633 |
| 0.7 | 15.0 | 3.1 | 0.58 |
| 0.7 | 45.0 | 3.68 | 0.632 |
| 0.7 | 75.0 | 5.49 | 1.45 |
| 0.7 | 105.0 | 3.71 | 1.14 |
| 0.7 | 135.0 | 3.2 | 1.13 |
| 0.7 | 165.0 | 4.35 | 1.38 |
| 0.7 | 195.0 | 3.28 | 0.91 |
| 0.7 | 225.0 | 3.69 | 1.34 |
| 0.7 | 255.0 | 6.78 | 1.97 |
| 0.7 | 285.0 | 5.74 | 1.25 |
| 0.7 | 315.0 | 2.93 | 0.507 |
| 0.7 | 345.0 | 3.15 | 0.626 |
| 0.9 | 15.0 | 2.29 | 0.591 |
| 0.9 | 45.0 | 2.74 | 0.628 |
| 0.9 | 75.0 | 3.63 | 0.812 |
| 0.9 | 105.0 | 2.35 | 0.824 |
| 0.9 | 135.0 | 4.49 | 1.66 |
| 0.9 | 165.0 | 3.43 | 0.945 |
| 0.9 | 195.0 | 2.1 | 0.53 |
| 0.9 | 225.0 | 3.64 | 1.28 |
| 0.9 | 255.0 | 3.32 | 0.976 |
| 0.9 | 285.0 | 2.33 | 0.562 |
| 0.9 | 315.0 | 1.78 | 0.432 |
| 0.9 | 345.0 | 2.04 | 0.62 |
Experiment comment: