Measurement E9M122
| 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: | 1.38 GeV | |
| ε: | 0.598 | |
| 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 | 0.406 | 0.213 |
| -0.9 | 45.0 | 1.6 | 0.779 |
| -0.9 | 75.0 | 1.95 | 1.1 |
| -0.9 | 105.0 | 0.253 | 0.193 |
| -0.9 | 135.0 | 0.917 | 0.769 |
| -0.9 | 165.0 | 4.63 | 2.97 |
| -0.9 | 225.0 | 1.56 | 0.973 |
| -0.9 | 255.0 | 1.53 | 1.03 |
| -0.9 | 315.0 | 0.844 | 0.476 |
| -0.9 | 345.0 | 0.829 | 0.507 |
| -0.7 | 15.0 | 0.84 | 0.355 |
| -0.7 | 45.0 | 2.41 | 0.828 |
| -0.7 | 75.0 | 1.58 | 0.781 |
| -0.7 | 105.0 | 4.08 | 1.88 |
| -0.7 | 135.0 | 2.76 | 1.93 |
| -0.7 | 165.0 | 0.552 | 0.415 |
| -0.7 | 195.0 | 1.5 | 0.704 |
| -0.7 | 225.0 | 1.94 | 0.986 |
| -0.7 | 255.0 | 2.31 | 1.33 |
| -0.7 | 285.0 | 1.08 | 0.523 |
| -0.7 | 315.0 | 1.17 | 0.487 |
| -0.7 | 345.0 | 1.16 | 0.435 |
| -0.5 | 15.0 | 1.43 | 0.394 |
| -0.5 | 45.0 | 1.09 | 0.376 |
| -0.5 | 75.0 | 1.43 | 0.75 |
| -0.5 | 105.0 | 5.02 | 1.65 |
| -0.5 | 135.0 | 2.01 | 1.17 |
| -0.5 | 165.0 | 1.69 | 1.12 |
| -0.5 | 195.0 | 2.55 | 3.14 |
| -0.5 | 225.0 | 1.67 | 1.06 |
| -0.5 | 255.0 | 2.85 | 1.03 |
| -0.5 | 285.0 | 1.39 | 0.561 |
| -0.5 | 315.0 | 3.13 | 0.919 |
| -0.5 | 345.0 | 1.66 | 0.489 |
| -0.3 | 15.0 | 2.89 | 0.754 |
| -0.3 | 45.0 | 2.58 | 0.75 |
| -0.3 | 75.0 | 2.02 | 0.728 |
| -0.3 | 105.0 | 3.85 | 1.05 |
| -0.3 | 135.0 | 1.84 | 0.772 |
| -0.3 | 195.0 | 2.86 | 3.52 |
| -0.3 | 225.0 | 2.13 | 1.07 |
| -0.3 | 255.0 | 3.85 | 1.22 |
| -0.3 | 285.0 | 2.79 | 0.919 |
| -0.3 | 315.0 | 3.86 | 1.06 |
| -0.3 | 345.0 | 1.94 | 0.636 |
| -0.1 | 15.0 | 1.44 | 0.43 |
| -0.1 | 45.0 | 2.35 | 0.679 |
| -0.1 | 75.0 | 4.91 | 1.26 |
| -0.1 | 105.0 | 4.66 | 1.16 |
| -0.1 | 135.0 | 4.18 | 1.22 |
| -0.1 | 165.0 | 6.02 | 4.95 |
| -0.1 | 195.0 | 24.8 | 27.8 |
| -0.1 | 225.0 | 3.08 | 0.923 |
| -0.1 | 255.0 | 3.37 | 0.918 |
| -0.1 | 285.0 | 2.03 | 0.618 |
| -0.1 | 315.0 | 3.79 | 1.02 |
| -0.1 | 345.0 | 1.62 | 0.466 |
| 0.1 | 15.0 | 3.1 | 0.769 |
| 0.1 | 45.0 | 1.79 | 0.617 |
| 0.1 | 75.0 | 2.04 | 0.653 |
| 0.1 | 105.0 | 3.36 | 0.834 |
| 0.1 | 135.0 | 2.58 | 0.914 |
| 0.1 | 165.0 | 3.14 | 3.86 |
| 0.1 | 195.0 | 6.09 | 4.7 |
| 0.1 | 225.0 | 2.91 | 0.877 |
| 0.1 | 255.0 | 3.35 | 0.909 |
| 0.1 | 285.0 | 2.94 | 0.894 |
| 0.1 | 315.0 | 1.08 | 0.462 |
| 0.1 | 345.0 | 1.85 | 0.447 |
| 0.3 | 15.0 | 1.75 | 0.537 |
| 0.3 | 45.0 | 2.05 | 0.589 |
| 0.3 | 75.0 | 2.38 | 0.749 |
| 0.3 | 105.0 | 2.18 | 0.623 |
| 0.3 | 135.0 | 2.09 | 0.67 |
| 0.3 | 165.0 | 2.37 | 1.47 |
| 0.3 | 225.0 | 2.48 | 0.781 |
| 0.3 | 255.0 | 3.88 | 0.913 |
| 0.3 | 285.0 | 1.84 | 0.547 |
| 0.3 | 315.0 | 3.08 | 0.758 |
| 0.3 | 345.0 | 3.93 | 0.992 |
| 0.5 | 15.0 | 1.45 | 0.389 |
| 0.5 | 45.0 | 1.05 | 0.384 |
| 0.5 | 75.0 | 5.95 | 1.81 |
| 0.5 | 105.0 | 3.3 | 1.01 |
| 0.5 | 135.0 | 1.39 | 0.561 |
| 0.5 | 165.0 | 1.52 | 1.71 |
| 0.5 | 225.0 | 2.28 | 0.864 |
| 0.5 | 255.0 | 3.26 | 0.86 |
| 0.5 | 285.0 | 1.98 | 0.626 |
| 0.5 | 315.0 | 2.17 | 0.759 |
| 0.5 | 345.0 | 2.71 | 0.748 |
| 0.7 | 15.0 | 1.09 | 0.36 |
| 0.7 | 45.0 | 3.56 | 1.24 |
| 0.7 | 75.0 | 3.97 | 1.34 |
| 0.7 | 105.0 | 0.942 | 0.351 |
| 0.7 | 135.0 | 2.59 | 1.14 |
| 0.7 | 225.0 | 1.77 | 0.663 |
| 0.7 | 255.0 | 1.91 | 0.679 |
| 0.7 | 285.0 | 1.06 | 0.37 |
| 0.7 | 315.0 | 1.37 | 0.553 |
| 0.7 | 345.0 | 1.68 | 0.499 |
| 0.9 | 15.0 | 0.984 | 0.415 |
| 0.9 | 45.0 | 3.1 | 1.24 |
| 0.9 | 75.0 | 1.04 | 0.503 |
| 0.9 | 105.0 | 5.03 | 2.63 |
| 0.9 | 135.0 | 1.42 | 0.889 |
| 0.9 | 165.0 | 1.85 | 2.63 |
| 0.9 | 225.0 | 0.548 | 0.429 |
| 0.9 | 255.0 | 4.86 | 3.43 |
| 0.9 | 285.0 | 1.17 | 0.691 |
| 0.9 | 315.0 | 0.651 | 0.322 |
| 0.9 | 345.0 | 0.94 | 0.394 |
Experiment comment: