Measurement E9M131
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.1 GeV | |
| ε: | 0.744 | |
| 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 | 105.0 | 1.69 | 2.64 |
| -0.9 | 165.0 | 1.05 | 1.23 |
| -0.9 | 195.0 | 0.397 | 0.327 |
| -0.9 | 285.0 | 2.36 | 3.36 |
| -0.5 | 15.0 | 7.81 | 10.1 |
| -0.5 | 105.0 | 0.574 | 0.651 |
| -0.5 | 135.0 | 0.179 | 0.207 |
| -0.5 | 165.0 | 2.99 | 2.83 |
| -0.5 | 225.0 | 0.123 | 0.144 |
| -0.5 | 255.0 | 1.71 | 1.24 |
| -0.5 | 315.0 | 0.626 | 0.965 |
| -0.5 | 345.0 | 1.42 | 2.14 |
| -0.3 | 105.0 | 6.92 | 8.4 |
| -0.3 | 165.0 | 0.955 | 0.788 |
| -0.3 | 195.0 | 4.3 | 3.12 |
| -0.3 | 225.0 | 0.241 | 0.267 |
| -0.3 | 255.0 | 0.469 | 0.424 |
| -0.3 | 285.0 | 2.81 | 3.0 |
| -0.1 | 15.0 | 0.471 | 0.72 |
| -0.1 | 45.0 | 0.0649 | 0.0752 |
| -0.1 | 105.0 | 1.37 | 0.995 |
| -0.1 | 135.0 | 0.95 | 0.771 |
| -0.1 | 165.0 | 1.61 | 0.978 |
| -0.1 | 195.0 | 2.18 | 1.58 |
| -0.1 | 225.0 | 11.9 | 9.84 |
| -0.1 | 255.0 | 2.89 | 2.57 |
| -0.1 | 345.0 | 5.01 | 6.86 |
| 0.1 | 15.0 | 0.133 | 0.153 |
| 0.1 | 45.0 | 12.6 | 19.7 |
| 0.1 | 75.0 | 0.498 | 0.49 |
| 0.1 | 135.0 | 0.183 | 0.14 |
| 0.1 | 165.0 | 21.3 | 26.9 |
| 0.1 | 195.0 | 1.95 | 1.2 |
| 0.1 | 225.0 | 3.86 | 2.51 |
| 0.1 | 285.0 | 0.207 | 0.222 |
| 0.1 | 315.0 | 1.28 | 1.1 |
| 0.3 | 15.0 | 1.73 | 1.62 |
| 0.3 | 75.0 | 0.448 | 0.38 |
| 0.3 | 105.0 | 1.75 | 1.45 |
| 0.3 | 135.0 | 0.429 | 0.351 |
| 0.3 | 165.0 | 4.87 | 3.12 |
| 0.3 | 195.0 | 2.86 | 2.07 |
| 0.3 | 225.0 | 6.17 | 4.93 |
| 0.3 | 255.0 | 5.93 | 6.62 |
| 0.3 | 285.0 | 0.3 | 0.24 |
| 0.3 | 315.0 | 1.79 | 1.49 |
| 0.3 | 345.0 | 0.241 | 0.193 |
| 0.5 | 15.0 | 0.57 | 0.554 |
| 0.5 | 45.0 | 2.61 | 2.32 |
| 0.5 | 75.0 | 5.33 | 5.34 |
| 0.5 | 105.0 | 2.67 | 2.13 |
| 0.5 | 135.0 | 1.68 | 1.38 |
| 0.5 | 165.0 | 2.78 | 1.58 |
| 0.5 | 195.0 | 0.644 | 0.694 |
| 0.5 | 225.0 | 2.13 | 1.45 |
| 0.5 | 255.0 | 0.966 | 0.837 |
| 0.5 | 285.0 | 3.08 | 3.89 |
| 0.5 | 315.0 | 0.119 | 0.132 |
| 0.5 | 345.0 | 0.492 | 0.568 |
| 0.7 | 45.0 | 0.626 | 0.726 |
| 0.7 | 75.0 | 0.349 | 0.297 |
| 0.7 | 105.0 | 0.541 | 0.654 |
| 0.7 | 135.0 | 0.776 | 0.57 |
| 0.7 | 165.0 | 0.434 | 0.348 |
| 0.7 | 195.0 | 0.51 | 0.327 |
| 0.7 | 225.0 | 4.98 | 5.09 |
| 0.7 | 255.0 | 0.643 | 0.712 |
| 0.7 | 285.0 | 0.745 | 0.553 |
| 0.7 | 315.0 | 4.64 | 4.03 |
| 0.7 | 345.0 | 2.42 | 2.25 |
| 0.9 | 45.0 | 1.43 | 1.34 |
| 0.9 | 75.0 | 3.54 | 2.99 |
| 0.9 | 135.0 | 0.482 | 0.528 |
| 0.9 | 165.0 | 1.37 | 1.07 |
| 0.9 | 195.0 | 0.661 | 0.541 |
| 0.9 | 225.0 | 6.61 | 5.93 |
| 0.9 | 255.0 | 13.7 | 10.7 |
| 0.9 | 315.0 | 0.997 | 0.796 |
| 0.9 | 345.0 | 0.578 | 0.676 |
Experiment comment: