Measurement E9M186
| 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: | 1.54 GeV | |
| ε: | 0.756 | |
| 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 | 0.469 | 0.173 |
| -0.9 | 45.0 | 0.773 | 0.275 |
| -0.9 | 75.0 | 0.467 | 0.251 |
| -0.9 | 105.0 | 0.334 | 0.178 |
| -0.9 | 135.0 | 1.24 | 0.469 |
| -0.9 | 165.0 | 1.58 | 0.575 |
| -0.9 | 195.0 | 0.489 | 0.199 |
| -0.9 | 225.0 | 0.463 | 0.25 |
| -0.9 | 255.0 | 1.18 | 0.424 |
| -0.9 | 285.0 | 0.548 | 0.226 |
| -0.9 | 315.0 | 0.485 | 0.169 |
| -0.9 | 345.0 | 0.147 | 0.0883 |
| -0.7 | 15.0 | 0.815 | 0.243 |
| -0.7 | 45.0 | 1.28 | 0.405 |
| -0.7 | 75.0 | 0.729 | 0.544 |
| -0.7 | 105.0 | 1.24 | 0.984 |
| -0.7 | 165.0 | 0.903 | 0.597 |
| -0.7 | 195.0 | 2.67 | 1.35 |
| -0.7 | 225.0 | 1.76 | 1.44 |
| -0.7 | 255.0 | 3.38 | 1.71 |
| -0.7 | 285.0 | 0.945 | 0.426 |
| -0.7 | 315.0 | 2.19 | 0.59 |
| -0.7 | 345.0 | 0.821 | 0.238 |
| -0.5 | 15.0 | 0.968 | 0.235 |
| -0.5 | 45.0 | 0.477 | 0.287 |
| -0.5 | 75.0 | 1.33 | 0.486 |
| -0.5 | 105.0 | 2.26 | 0.579 |
| -0.5 | 135.0 | 2.27 | 0.641 |
| -0.5 | 195.0 | 12.0 | 13.5 |
| -0.5 | 225.0 | 3.27 | 1.01 |
| -0.5 | 255.0 | 2.35 | 0.576 |
| -0.5 | 285.0 | 2.3 | 0.955 |
| -0.5 | 315.0 | 2.7 | 0.749 |
| -0.5 | 345.0 | 1.12 | 0.271 |
| -0.3 | 15.0 | 1.98 | 0.413 |
| -0.3 | 45.0 | 1.36 | 0.413 |
| -0.3 | 75.0 | 2.25 | 0.652 |
| -0.3 | 105.0 | 2.6 | 0.459 |
| -0.3 | 135.0 | 3.26 | 0.73 |
| -0.3 | 165.0 | 1.0 | 0.785 |
| -0.3 | 195.0 | 2.68 | 1.96 |
| -0.3 | 225.0 | 3.02 | 0.596 |
| -0.3 | 255.0 | 2.84 | 0.503 |
| -0.3 | 285.0 | 2.76 | 0.867 |
| -0.3 | 315.0 | 1.81 | 0.48 |
| -0.3 | 345.0 | 1.28 | 0.301 |
| -0.1 | 15.0 | 1.11 | 0.296 |
| -0.1 | 45.0 | 1.36 | 0.371 |
| -0.1 | 75.0 | 2.6 | 0.539 |
| -0.1 | 105.0 | 2.7 | 0.429 |
| -0.1 | 135.0 | 2.91 | 0.586 |
| -0.1 | 195.0 | 5.45 | 7.71 |
| -0.1 | 225.0 | 1.54 | 0.392 |
| -0.1 | 255.0 | 3.54 | 0.54 |
| -0.1 | 285.0 | 2.41 | 0.515 |
| -0.1 | 315.0 | 1.72 | 0.51 |
| -0.1 | 345.0 | 1.21 | 0.361 |
| 0.1 | 15.0 | 0.762 | 0.41 |
| 0.1 | 45.0 | 2.58 | 0.863 |
| 0.1 | 75.0 | 2.34 | 0.419 |
| 0.1 | 105.0 | 3.15 | 0.517 |
| 0.1 | 135.0 | 2.18 | 0.561 |
| 0.1 | 225.0 | 1.88 | 0.492 |
| 0.1 | 255.0 | 2.7 | 0.463 |
| 0.1 | 285.0 | 2.31 | 0.445 |
| 0.1 | 315.0 | 1.7 | 0.614 |
| 0.1 | 345.0 | 0.78 | 0.379 |
| 0.3 | 15.0 | 0.594 | 0.264 |
| 0.3 | 45.0 | 1.32 | 0.436 |
| 0.3 | 75.0 | 2.32 | 0.412 |
| 0.3 | 105.0 | 2.97 | 0.502 |
| 0.3 | 135.0 | 3.01 | 1.07 |
| 0.3 | 165.0 | 1.66 | 0.88 |
| 0.3 | 195.0 | 3.95 | 2.21 |
| 0.3 | 225.0 | 3.61 | 1.02 |
| 0.3 | 255.0 | 3.56 | 0.576 |
| 0.3 | 285.0 | 2.63 | 0.436 |
| 0.3 | 315.0 | 2.27 | 0.601 |
| 0.3 | 345.0 | 2.36 | 0.741 |
| 0.5 | 15.0 | 1.57 | 0.496 |
| 0.5 | 45.0 | 1.48 | 0.511 |
| 0.5 | 75.0 | 2.27 | 0.424 |
| 0.5 | 105.0 | 2.09 | 0.401 |
| 0.5 | 135.0 | 1.57 | 0.664 |
| 0.5 | 165.0 | 1.16 | 0.476 |
| 0.5 | 195.0 | 2.0 | 1.12 |
| 0.5 | 225.0 | 0.348 | 0.254 |
| 0.5 | 255.0 | 1.66 | 0.334 |
| 0.5 | 285.0 | 1.86 | 0.327 |
| 0.5 | 315.0 | 1.27 | 0.389 |
| 0.5 | 345.0 | 1.11 | 0.366 |
| 0.7 | 15.0 | 1.04 | 0.405 |
| 0.7 | 45.0 | 0.795 | 0.361 |
| 0.7 | 75.0 | 1.3 | 0.283 |
| 0.7 | 105.0 | 0.735 | 0.198 |
| 0.7 | 135.0 | 1.95 | 0.802 |
| 0.7 | 165.0 | 1.66 | 0.814 |
| 0.7 | 195.0 | 2.05 | 0.964 |
| 0.7 | 225.0 | 1.24 | 0.589 |
| 0.7 | 255.0 | 2.06 | 0.41 |
| 0.7 | 285.0 | 1.3 | 0.277 |
| 0.7 | 315.0 | 1.89 | 0.66 |
| 0.7 | 345.0 | 0.671 | 0.255 |
| 0.9 | 15.0 | 1.02 | 0.512 |
| 0.9 | 45.0 | 0.58 | 0.271 |
| 0.9 | 75.0 | 0.363 | 0.139 |
| 0.9 | 105.0 | 1.43 | 0.433 |
| 0.9 | 135.0 | 1.34 | 1.12 |
| 0.9 | 195.0 | 0.231 | 0.242 |
| 0.9 | 225.0 | 0.617 | 0.405 |
| 0.9 | 255.0 | 1.65 | 0.515 |
| 0.9 | 285.0 | 0.513 | 0.181 |
| 0.9 | 315.0 | 2.07 | 1.03 |
| 0.9 | 345.0 | 1.18 | 0.602 |
Experiment comment: