Measurement E9M269
| 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: | 1.0 — 1.3 GeV2 | |
| W: | 1.4 GeV | |
| ε: | 0.685 | |
| 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 | 0.143 | 0.075 |
| -0.9 | 45.0 | 0.732 | 0.279 |
| -0.9 | 75.0 | 0.285 | 0.119 |
| -0.9 | 105.0 | 0.537 | 0.218 |
| -0.9 | 135.0 | 0.374 | 0.135 |
| -0.9 | 165.0 | 0.601 | 0.231 |
| -0.9 | 195.0 | 0.851 | 0.27 |
| -0.9 | 225.0 | 0.846 | 0.349 |
| -0.9 | 255.0 | 0.439 | 0.171 |
| -0.9 | 285.0 | 0.465 | 0.201 |
| -0.9 | 315.0 | 0.57 | 0.271 |
| -0.9 | 345.0 | 0.199 | 0.0844 |
| -0.7 | 15.0 | 0.523 | 0.18 |
| -0.7 | 45.0 | 0.378 | 0.107 |
| -0.7 | 75.0 | 0.353 | 0.137 |
| -0.7 | 105.0 | 1.02 | 0.334 |
| -0.7 | 135.0 | 1.3 | 0.508 |
| -0.7 | 165.0 | 0.928 | 0.275 |
| -0.7 | 195.0 | 0.768 | 0.215 |
| -0.7 | 225.0 | 1.21 | 0.377 |
| -0.7 | 255.0 | 0.513 | 0.19 |
| -0.7 | 285.0 | 0.857 | 0.273 |
| -0.7 | 315.0 | 0.566 | 0.181 |
| -0.7 | 345.0 | 0.452 | 0.132 |
| -0.5 | 15.0 | 1.17 | 0.336 |
| -0.5 | 45.0 | 0.863 | 0.231 |
| -0.5 | 75.0 | 1.34 | 0.387 |
| -0.5 | 105.0 | 1.7 | 0.458 |
| -0.5 | 135.0 | 1.3 | 0.542 |
| -0.5 | 165.0 | 1.13 | 0.39 |
| -0.5 | 195.0 | 1.56 | 0.441 |
| -0.5 | 225.0 | 1.99 | 0.836 |
| -0.5 | 255.0 | 1.3 | 0.42 |
| -0.5 | 285.0 | 1.5 | 0.392 |
| -0.5 | 315.0 | 1.27 | 0.315 |
| -0.5 | 345.0 | 0.572 | 0.199 |
| -0.3 | 15.0 | 1.03 | 0.263 |
| -0.3 | 45.0 | 1.47 | 0.334 |
| -0.3 | 75.0 | 1.82 | 0.448 |
| -0.3 | 105.0 | 2.18 | 0.556 |
| -0.3 | 135.0 | 2.52 | 1.17 |
| -0.3 | 165.0 | 1.5 | 0.626 |
| -0.3 | 195.0 | 1.97 | 0.621 |
| -0.3 | 225.0 | 2.35 | 1.0 |
| -0.3 | 255.0 | 1.35 | 0.414 |
| -0.3 | 285.0 | 1.24 | 0.32 |
| -0.3 | 315.0 | 1.08 | 0.256 |
| -0.3 | 345.0 | 1.02 | 0.269 |
| -0.1 | 15.0 | 0.608 | 0.152 |
| -0.1 | 45.0 | 2.33 | 0.519 |
| -0.1 | 75.0 | 2.05 | 0.464 |
| -0.1 | 105.0 | 1.46 | 0.415 |
| -0.1 | 135.0 | 2.08 | 0.65 |
| -0.1 | 165.0 | 0.425 | 0.263 |
| -0.1 | 195.0 | 1.2 | 0.639 |
| -0.1 | 225.0 | 1.97 | 0.667 |
| -0.1 | 255.0 | 1.46 | 0.389 |
| -0.1 | 285.0 | 2.38 | 0.556 |
| -0.1 | 315.0 | 1.34 | 0.291 |
| -0.1 | 345.0 | 0.855 | 0.184 |
| 0.1 | 15.0 | 1.22 | 0.268 |
| 0.1 | 45.0 | 0.813 | 0.225 |
| 0.1 | 75.0 | 1.52 | 0.358 |
| 0.1 | 105.0 | 2.18 | 0.492 |
| 0.1 | 135.0 | 1.23 | 0.318 |
| 0.1 | 165.0 | 15.1 | 17.0 |
| 0.1 | 225.0 | 2.8 | 0.726 |
| 0.1 | 255.0 | 1.16 | 0.306 |
| 0.1 | 285.0 | 1.4 | 0.331 |
| 0.1 | 315.0 | 1.51 | 0.315 |
| 0.1 | 345.0 | 1.07 | 0.21 |
| 0.3 | 15.0 | 1.31 | 0.303 |
| 0.3 | 45.0 | 0.994 | 0.247 |
| 0.3 | 75.0 | 1.45 | 0.359 |
| 0.3 | 105.0 | 1.04 | 0.262 |
| 0.3 | 135.0 | 1.36 | 0.4 |
| 0.3 | 165.0 | 1.71 | 1.16 |
| 0.3 | 195.0 | 0.667 | 0.519 |
| 0.3 | 225.0 | 2.32 | 0.661 |
| 0.3 | 255.0 | 2.26 | 0.501 |
| 0.3 | 285.0 | 1.68 | 0.482 |
| 0.3 | 315.0 | 1.09 | 0.249 |
| 0.3 | 345.0 | 0.834 | 0.202 |
| 0.5 | 15.0 | 0.759 | 0.189 |
| 0.5 | 45.0 | 1.36 | 0.35 |
| 0.5 | 75.0 | 1.95 | 0.594 |
| 0.5 | 105.0 | 2.33 | 0.616 |
| 0.5 | 135.0 | 0.705 | 0.209 |
| 0.5 | 165.0 | 3.02 | 2.32 |
| 0.5 | 195.0 | 1.95 | 1.95 |
| 0.5 | 225.0 | 1.15 | 0.352 |
| 0.5 | 255.0 | 2.12 | 0.663 |
| 0.5 | 285.0 | 1.67 | 0.463 |
| 0.5 | 315.0 | 0.707 | 0.188 |
| 0.5 | 345.0 | 0.834 | 0.197 |
| 0.7 | 15.0 | 1.02 | 0.272 |
| 0.7 | 45.0 | 1.31 | 0.391 |
| 0.7 | 75.0 | 1.33 | 0.514 |
| 0.7 | 105.0 | 1.23 | 0.424 |
| 0.7 | 135.0 | 2.75 | 1.11 |
| 0.7 | 165.0 | 0.274 | 0.307 |
| 0.7 | 195.0 | 1.35 | 1.24 |
| 0.7 | 225.0 | 0.448 | 0.2 |
| 0.7 | 255.0 | 0.81 | 0.273 |
| 0.7 | 285.0 | 0.724 | 0.274 |
| 0.7 | 315.0 | 0.95 | 0.297 |
| 0.7 | 345.0 | 0.874 | 0.229 |
| 0.9 | 15.0 | 0.28 | 0.132 |
| 0.9 | 45.0 | 0.991 | 0.377 |
| 0.9 | 75.0 | 0.238 | 0.115 |
| 0.9 | 105.0 | 0.896 | 0.433 |
| 0.9 | 135.0 | 0.766 | 0.38 |
| 0.9 | 165.0 | 0.554 | 0.373 |
| 0.9 | 195.0 | 0.288 | 0.132 |
| 0.9 | 225.0 | 0.757 | 0.378 |
| 0.9 | 255.0 | 0.744 | 0.409 |
| 0.9 | 285.0 | 0.758 | 0.383 |
| 0.9 | 315.0 | 0.488 | 0.285 |
| 0.9 | 345.0 | 0.68 | 0.257 |
Experiment comment: