Measurement E9M129
| 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: | 1.52 GeV | |
| ε: | 0.434 | |
| 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 | 0.624 | 0.68 |
| -0.9 | 45.0 | 0.23 | 0.242 |
| -0.9 | 105.0 | 2.07 | 2.07 |
| -0.9 | 165.0 | 1.2 | 1.48 |
| -0.9 | 225.0 | 0.491 | 0.526 |
| -0.9 | 315.0 | 0.401 | 0.308 |
| -0.9 | 345.0 | 0.181 | 0.188 |
| -0.7 | 15.0 | 1.03 | 1.1 |
| -0.7 | 45.0 | 0.195 | 0.2 |
| -0.7 | 75.0 | 1.11 | 0.707 |
| -0.7 | 105.0 | 1.27 | 0.983 |
| -0.7 | 135.0 | 1.03 | 0.813 |
| -0.7 | 255.0 | 1.4 | 0.826 |
| -0.7 | 285.0 | 0.302 | 0.312 |
| -0.7 | 315.0 | 0.461 | 0.341 |
| -0.7 | 345.0 | 0.455 | 0.479 |
| -0.5 | 15.0 | 3.39 | 1.61 |
| -0.5 | 45.0 | 0.509 | 0.531 |
| -0.5 | 75.0 | 1.4 | 0.873 |
| -0.5 | 105.0 | 1.14 | 0.699 |
| -0.5 | 225.0 | 0.839 | 0.633 |
| -0.5 | 255.0 | 0.941 | 0.497 |
| -0.5 | 285.0 | 0.691 | 0.422 |
| -0.5 | 315.0 | 0.755 | 0.46 |
| -0.5 | 345.0 | 0.644 | 0.481 |
| -0.3 | 45.0 | 1.41 | 0.715 |
| -0.3 | 75.0 | 3.88 | 1.39 |
| -0.3 | 105.0 | 2.31 | 0.924 |
| -0.3 | 135.0 | 1.8 | 1.4 |
| -0.3 | 255.0 | 1.66 | 0.638 |
| -0.3 | 285.0 | 1.89 | 0.835 |
| -0.3 | 315.0 | 0.864 | 0.525 |
| -0.3 | 345.0 | 1.57 | 1.22 |
| -0.1 | 15.0 | 2.65 | 3.07 |
| -0.1 | 45.0 | 1.48 | 0.907 |
| -0.1 | 75.0 | 2.26 | 0.819 |
| -0.1 | 105.0 | 2.57 | 0.934 |
| -0.1 | 135.0 | 1.32 | 1.38 |
| -0.1 | 165.0 | 4.38 | 4.02 |
| -0.1 | 255.0 | 3.36 | 1.15 |
| -0.1 | 285.0 | 3.77 | 1.29 |
| -0.1 | 315.0 | 1.58 | 0.863 |
| -0.1 | 345.0 | 1.09 | 1.16 |
| 0.1 | 45.0 | 3.57 | 1.85 |
| 0.1 | 75.0 | 0.64 | 0.381 |
| 0.1 | 105.0 | 1.85 | 0.876 |
| 0.1 | 135.0 | 2.99 | 1.26 |
| 0.1 | 165.0 | 8.02 | 8.04 |
| 0.1 | 195.0 | 4.63 | 2.66 |
| 0.1 | 225.0 | 3.08 | 1.69 |
| 0.1 | 255.0 | 2.95 | 1.14 |
| 0.1 | 285.0 | 3.0 | 1.11 |
| 0.1 | 315.0 | 2.84 | 1.45 |
| 0.1 | 345.0 | 0.831 | 0.883 |
| 0.3 | 15.0 | 1.45 | 1.56 |
| 0.3 | 45.0 | 3.69 | 1.58 |
| 0.3 | 75.0 | 3.55 | 1.23 |
| 0.3 | 105.0 | 2.09 | 0.922 |
| 0.3 | 135.0 | 5.68 | 2.18 |
| 0.3 | 165.0 | 2.67 | 1.79 |
| 0.3 | 195.0 | 1.38 | 1.04 |
| 0.3 | 225.0 | 3.08 | 1.34 |
| 0.3 | 255.0 | 3.73 | 1.35 |
| 0.3 | 285.0 | 3.07 | 1.12 |
| 0.3 | 315.0 | 0.647 | 0.472 |
| 0.3 | 345.0 | 0.955 | 1.02 |
| 0.5 | 15.0 | 2.63 | 2.16 |
| 0.5 | 45.0 | 1.35 | 0.728 |
| 0.5 | 75.0 | 1.88 | 0.901 |
| 0.5 | 105.0 | 5.31 | 1.9 |
| 0.5 | 135.0 | 1.85 | 1.01 |
| 0.5 | 195.0 | 1.07 | 1.13 |
| 0.5 | 225.0 | 2.8 | 1.24 |
| 0.5 | 255.0 | 2.01 | 0.902 |
| 0.5 | 285.0 | 0.981 | 0.463 |
| 0.5 | 315.0 | 2.89 | 1.61 |
| 0.5 | 345.0 | 0.726 | 0.764 |
| 0.7 | 45.0 | 1.19 | 0.586 |
| 0.7 | 75.0 | 1.07 | 0.482 |
| 0.7 | 105.0 | 2.49 | 1.23 |
| 0.7 | 135.0 | 1.3 | 0.647 |
| 0.7 | 225.0 | 4.37 | 2.06 |
| 0.7 | 255.0 | 9.69 | 5.06 |
| 0.7 | 285.0 | 1.66 | 0.563 |
| 0.7 | 315.0 | 1.6 | 0.824 |
| 0.7 | 345.0 | 1.68 | 1.42 |
| 0.9 | 45.0 | 0.504 | 0.389 |
| 0.9 | 75.0 | 0.911 | 0.469 |
| 0.9 | 105.0 | 3.17 | 1.83 |
| 0.9 | 225.0 | 1.44 | 1.19 |
| 0.9 | 255.0 | 1.54 | 0.891 |
| 0.9 | 285.0 | 6.76 | 8.32 |
| 0.9 | 345.0 | 0.33 | 0.366 |
Experiment comment: