Measurement E9M222
| 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: | 1.66 GeV | |
| ε: | 0.636 | |
| 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 | 1.57 | 0.517 |
| -0.9 | 45.0 | 1.98 | 0.758 |
| -0.9 | 75.0 | 0.832 | 0.439 |
| -0.9 | 105.0 | 0.527 | 0.269 |
| -0.9 | 135.0 | 1.06 | 0.976 |
| -0.9 | 195.0 | 1.06 | 0.613 |
| -0.9 | 255.0 | 0.378 | 0.242 |
| -0.9 | 285.0 | 1.23 | 0.521 |
| -0.9 | 315.0 | 0.504 | 0.186 |
| -0.9 | 345.0 | 0.965 | 0.275 |
| -0.7 | 15.0 | 0.618 | 0.225 |
| -0.7 | 45.0 | 0.599 | 0.268 |
| -0.7 | 75.0 | 1.21 | 0.561 |
| -0.7 | 105.0 | 0.439 | 0.199 |
| -0.7 | 135.0 | 0.858 | 0.504 |
| -0.7 | 225.0 | 1.13 | 0.749 |
| -0.7 | 255.0 | 1.02 | 0.403 |
| -0.7 | 285.0 | 0.592 | 0.295 |
| -0.7 | 315.0 | 0.767 | 0.261 |
| -0.7 | 345.0 | 0.52 | 0.189 |
| -0.5 | 15.0 | 0.822 | 0.25 |
| -0.5 | 45.0 | 0.554 | 0.244 |
| -0.5 | 75.0 | 1.33 | 0.761 |
| -0.5 | 105.0 | 0.632 | 0.193 |
| -0.5 | 135.0 | 2.83 | 1.18 |
| -0.5 | 225.0 | 0.492 | 0.197 |
| -0.5 | 255.0 | 1.06 | 0.316 |
| -0.5 | 285.0 | 0.48 | 0.238 |
| -0.5 | 315.0 | 0.856 | 0.368 |
| -0.5 | 345.0 | 0.876 | 0.267 |
| -0.3 | 15.0 | 0.736 | 0.22 |
| -0.3 | 45.0 | 0.626 | 0.308 |
| -0.3 | 75.0 | 1.19 | 0.425 |
| -0.3 | 105.0 | 0.756 | 0.218 |
| -0.3 | 135.0 | 1.64 | 0.613 |
| -0.3 | 225.0 | 1.2 | 0.45 |
| -0.3 | 255.0 | 1.68 | 0.426 |
| -0.3 | 285.0 | 0.68 | 0.238 |
| -0.3 | 315.0 | 0.584 | 0.32 |
| -0.3 | 345.0 | 0.439 | 0.168 |
| -0.1 | 15.0 | 0.296 | 0.221 |
| -0.1 | 45.0 | 0.725 | 0.348 |
| -0.1 | 75.0 | 1.02 | 0.275 |
| -0.1 | 105.0 | 0.884 | 0.219 |
| -0.1 | 135.0 | 1.49 | 0.75 |
| -0.1 | 165.0 | 5.43 | 3.66 |
| -0.1 | 195.0 | 1.46 | 0.991 |
| -0.1 | 225.0 | 2.8 | 1.28 |
| -0.1 | 255.0 | 0.829 | 0.24 |
| -0.1 | 285.0 | 1.28 | 0.329 |
| -0.1 | 315.0 | 0.356 | 0.215 |
| -0.1 | 345.0 | 0.534 | 0.3 |
| 0.1 | 15.0 | 0.126 | 0.129 |
| 0.1 | 45.0 | 0.311 | 0.164 |
| 0.1 | 75.0 | 1.44 | 0.341 |
| 0.1 | 105.0 | 2.54 | 0.535 |
| 0.1 | 135.0 | 3.36 | 1.31 |
| 0.1 | 165.0 | 2.84 | 1.19 |
| 0.1 | 195.0 | 1.48 | 0.785 |
| 0.1 | 225.0 | 1.89 | 0.741 |
| 0.1 | 255.0 | 1.13 | 0.288 |
| 0.1 | 285.0 | 0.864 | 0.244 |
| 0.1 | 315.0 | 0.594 | 0.265 |
| 0.1 | 345.0 | 1.44 | 0.868 |
| 0.3 | 15.0 | 1.69 | 1.24 |
| 0.3 | 45.0 | 1.11 | 0.451 |
| 0.3 | 75.0 | 1.06 | 0.258 |
| 0.3 | 105.0 | 1.69 | 0.428 |
| 0.3 | 135.0 | 1.56 | 0.576 |
| 0.3 | 165.0 | 2.03 | 0.852 |
| 0.3 | 195.0 | 0.856 | 0.348 |
| 0.3 | 225.0 | 1.67 | 0.51 |
| 0.3 | 255.0 | 1.33 | 0.369 |
| 0.3 | 285.0 | 1.28 | 0.299 |
| 0.3 | 315.0 | 0.677 | 0.365 |
| 0.3 | 345.0 | 0.877 | 0.59 |
| 0.5 | 15.0 | 0.185 | 0.112 |
| 0.5 | 45.0 | 0.948 | 0.377 |
| 0.5 | 75.0 | 1.08 | 0.25 |
| 0.5 | 105.0 | 1.35 | 0.376 |
| 0.5 | 135.0 | 0.848 | 0.28 |
| 0.5 | 165.0 | 0.831 | 0.344 |
| 0.5 | 195.0 | 1.37 | 0.864 |
| 0.5 | 225.0 | 0.907 | 0.277 |
| 0.5 | 255.0 | 1.3 | 0.348 |
| 0.5 | 285.0 | 1.26 | 0.282 |
| 0.5 | 315.0 | 0.773 | 0.323 |
| 0.5 | 345.0 | 0.411 | 0.259 |
| 0.7 | 15.0 | 9.4 | 6.31 |
| 0.7 | 45.0 | 0.465 | 0.188 |
| 0.7 | 75.0 | 1.42 | 0.321 |
| 0.7 | 105.0 | 1.43 | 0.409 |
| 0.7 | 135.0 | 0.497 | 0.214 |
| 0.7 | 165.0 | 0.148 | 0.108 |
| 0.7 | 195.0 | 1.31 | 0.623 |
| 0.7 | 225.0 | 1.96 | 0.517 |
| 0.7 | 255.0 | 1.57 | 0.439 |
| 0.7 | 285.0 | 2.63 | 0.527 |
| 0.7 | 315.0 | 0.836 | 0.353 |
| 0.7 | 345.0 | 1.0 | 0.459 |
| 0.9 | 15.0 | 1.16 | 0.535 |
| 0.9 | 45.0 | 0.941 | 0.372 |
| 0.9 | 75.0 | 1.15 | 0.284 |
| 0.9 | 105.0 | 0.812 | 0.27 |
| 0.9 | 135.0 | 1.9 | 0.772 |
| 0.9 | 165.0 | 0.877 | 0.569 |
| 0.9 | 195.0 | 0.47 | 0.299 |
| 0.9 | 225.0 | 0.691 | 0.426 |
| 0.9 | 255.0 | 2.0 | 0.497 |
| 0.9 | 285.0 | 0.927 | 0.244 |
| 0.9 | 315.0 | 0.626 | 0.28 |
| 0.9 | 345.0 | 3.32 | 1.64 |
Experiment comment: