Measurement E9M121
| 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: | 1.36 GeV | |
| ε: | 0.617 | |
| 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 | 0.614 | 0.399 |
| -0.9 | 45.0 | 0.201 | 0.15 |
| -0.9 | 75.0 | 1.59 | 0.911 |
| -0.9 | 105.0 | 1.71 | 0.726 |
| -0.9 | 135.0 | 2.08 | 0.987 |
| -0.9 | 165.0 | 1.62 | 0.833 |
| -0.9 | 195.0 | 9.8 | 6.45 |
| -0.9 | 225.0 | 0.454 | 0.252 |
| -0.9 | 255.0 | 1.07 | 0.585 |
| -0.9 | 285.0 | 0.77 | 0.499 |
| -0.9 | 315.0 | 1.29 | 0.61 |
| -0.9 | 345.0 | 1.08 | 0.533 |
| -0.7 | 15.0 | 1.8 | 0.598 |
| -0.7 | 45.0 | 1.4 | 0.585 |
| -0.7 | 75.0 | 1.91 | 0.652 |
| -0.7 | 105.0 | 2.07 | 0.875 |
| -0.7 | 135.0 | 4.76 | 2.65 |
| -0.7 | 165.0 | 2.3 | 1.5 |
| -0.7 | 195.0 | 3.02 | 1.12 |
| -0.7 | 225.0 | 0.731 | 0.563 |
| -0.7 | 255.0 | 6.46 | 3.17 |
| -0.7 | 285.0 | 1.08 | 0.661 |
| -0.7 | 315.0 | 2.08 | 0.786 |
| -0.7 | 345.0 | 1.74 | 0.6 |
| -0.5 | 15.0 | 2.07 | 0.621 |
| -0.5 | 45.0 | 2.24 | 0.813 |
| -0.5 | 75.0 | 3.72 | 1.15 |
| -0.5 | 105.0 | 2.1 | 0.856 |
| -0.5 | 135.0 | 5.0 | 2.38 |
| -0.5 | 165.0 | 3.0 | 2.05 |
| -0.5 | 195.0 | 1.76 | 1.42 |
| -0.5 | 225.0 | 3.55 | 2.53 |
| -0.5 | 255.0 | 1.89 | 0.768 |
| -0.5 | 285.0 | 1.42 | 0.511 |
| -0.5 | 315.0 | 1.77 | 0.565 |
| -0.5 | 345.0 | 2.26 | 0.581 |
| -0.3 | 15.0 | 3.11 | 0.858 |
| -0.3 | 45.0 | 1.67 | 0.546 |
| -0.3 | 75.0 | 4.72 | 1.36 |
| -0.3 | 105.0 | 2.94 | 0.87 |
| -0.3 | 135.0 | 2.25 | 1.4 |
| -0.3 | 165.0 | 0.8 | 0.851 |
| -0.3 | 195.0 | 1.57 | 1.7 |
| -0.3 | 225.0 | 1.57 | 0.612 |
| -0.3 | 255.0 | 5.78 | 1.7 |
| -0.3 | 285.0 | 3.22 | 0.95 |
| -0.3 | 315.0 | 3.02 | 0.899 |
| -0.3 | 345.0 | 1.11 | 0.331 |
| -0.1 | 15.0 | 2.63 | 0.664 |
| -0.1 | 45.0 | 3.02 | 0.789 |
| -0.1 | 75.0 | 4.39 | 1.08 |
| -0.1 | 105.0 | 4.16 | 1.15 |
| -0.1 | 135.0 | 5.05 | 1.37 |
| -0.1 | 165.0 | 8.53 | 6.55 |
| -0.1 | 195.0 | 2.21 | 1.73 |
| -0.1 | 225.0 | 10.6 | 2.85 |
| -0.1 | 255.0 | 4.7 | 1.21 |
| -0.1 | 285.0 | 3.94 | 0.97 |
| -0.1 | 315.0 | 3.0 | 0.867 |
| -0.1 | 345.0 | 1.73 | 0.449 |
| 0.1 | 15.0 | 1.7 | 0.45 |
| 0.1 | 45.0 | 2.51 | 0.618 |
| 0.1 | 75.0 | 5.83 | 1.54 |
| 0.1 | 105.0 | 2.69 | 0.799 |
| 0.1 | 135.0 | 3.15 | 0.87 |
| 0.1 | 195.0 | 3.66 | 2.47 |
| 0.1 | 225.0 | 4.85 | 1.3 |
| 0.1 | 255.0 | 4.45 | 0.981 |
| 0.1 | 285.0 | 3.33 | 0.941 |
| 0.1 | 315.0 | 4.37 | 0.993 |
| 0.1 | 345.0 | 2.43 | 0.565 |
| 0.3 | 15.0 | 2.16 | 0.597 |
| 0.3 | 45.0 | 1.89 | 0.532 |
| 0.3 | 75.0 | 2.82 | 0.772 |
| 0.3 | 105.0 | 3.49 | 0.839 |
| 0.3 | 135.0 | 2.84 | 0.784 |
| 0.3 | 165.0 | 3.86 | 2.76 |
| 0.3 | 225.0 | 3.32 | 0.983 |
| 0.3 | 255.0 | 5.16 | 1.28 |
| 0.3 | 285.0 | 3.95 | 1.08 |
| 0.3 | 315.0 | 2.29 | 0.611 |
| 0.3 | 345.0 | 1.81 | 0.482 |
| 0.5 | 15.0 | 2.28 | 0.652 |
| 0.5 | 45.0 | 1.48 | 0.475 |
| 0.5 | 75.0 | 1.76 | 0.527 |
| 0.5 | 105.0 | 1.74 | 0.511 |
| 0.5 | 135.0 | 2.12 | 0.739 |
| 0.5 | 165.0 | 2.2 | 1.81 |
| 0.5 | 195.0 | 6.27 | 5.47 |
| 0.5 | 225.0 | 5.09 | 1.56 |
| 0.5 | 255.0 | 1.37 | 0.446 |
| 0.5 | 285.0 | 2.14 | 0.686 |
| 0.5 | 315.0 | 3.21 | 0.82 |
| 0.5 | 345.0 | 2.12 | 0.586 |
| 0.7 | 15.0 | 2.65 | 0.751 |
| 0.7 | 45.0 | 1.19 | 0.479 |
| 0.7 | 75.0 | 0.436 | 0.193 |
| 0.7 | 105.0 | 3.06 | 1.03 |
| 0.7 | 135.0 | 1.84 | 0.651 |
| 0.7 | 165.0 | 2.25 | 1.97 |
| 0.7 | 195.0 | 5.41 | 7.67 |
| 0.7 | 225.0 | 1.76 | 0.761 |
| 0.7 | 255.0 | 2.14 | 0.788 |
| 0.7 | 285.0 | 2.45 | 0.97 |
| 0.7 | 315.0 | 1.52 | 0.504 |
| 0.7 | 345.0 | 1.69 | 0.479 |
| 0.9 | 15.0 | 1.1 | 0.466 |
| 0.9 | 45.0 | 2.79 | 1.11 |
| 0.9 | 75.0 | 0.675 | 0.355 |
| 0.9 | 105.0 | 1.0 | 0.591 |
| 0.9 | 135.0 | 1.99 | 1.03 |
| 0.9 | 165.0 | 0.397 | 0.432 |
| 0.9 | 195.0 | 0.545 | 0.438 |
| 0.9 | 225.0 | 3.93 | 2.32 |
| 0.9 | 255.0 | 0.399 | 0.26 |
| 0.9 | 285.0 | 1.65 | 0.758 |
| 0.9 | 315.0 | 0.739 | 0.318 |
| 0.9 | 345.0 | 0.955 | 0.362 |
Experiment comment: