Measurement E9M188
| 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: | 1.58 GeV | |
| ε: | 0.731 | |
| 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 | 0.441 | 0.159 |
| -0.9 | 45.0 | 1.32 | 0.467 |
| -0.9 | 75.0 | 1.76 | 0.576 |
| -0.9 | 105.0 | 1.66 | 1.18 |
| -0.9 | 135.0 | 1.12 | 0.559 |
| -0.9 | 165.0 | 1.34 | 0.558 |
| -0.9 | 195.0 | 0.166 | 0.121 |
| -0.9 | 225.0 | 0.252 | 0.186 |
| -0.9 | 255.0 | 0.794 | 0.511 |
| -0.9 | 285.0 | 0.249 | 0.133 |
| -0.9 | 315.0 | 0.717 | 0.302 |
| -0.9 | 345.0 | 0.845 | 0.288 |
| -0.7 | 15.0 | 0.889 | 0.256 |
| -0.7 | 45.0 | 1.05 | 0.332 |
| -0.7 | 75.0 | 0.848 | 0.533 |
| -0.7 | 105.0 | 0.855 | 0.559 |
| -0.7 | 135.0 | 0.357 | 0.377 |
| -0.7 | 225.0 | 2.44 | 1.44 |
| -0.7 | 255.0 | 0.169 | 0.174 |
| -0.7 | 285.0 | 3.73 | 3.05 |
| -0.7 | 315.0 | 0.826 | 0.274 |
| -0.7 | 345.0 | 0.913 | 0.282 |
| -0.5 | 15.0 | 0.815 | 0.234 |
| -0.5 | 45.0 | 0.929 | 0.29 |
| -0.5 | 75.0 | 0.747 | 0.334 |
| -0.5 | 105.0 | 0.768 | 0.254 |
| -0.5 | 135.0 | 2.14 | 0.594 |
| -0.5 | 165.0 | 13.2 | 15.2 |
| -0.5 | 195.0 | 0.691 | 0.774 |
| -0.5 | 225.0 | 1.23 | 0.345 |
| -0.5 | 255.0 | 0.687 | 0.223 |
| -0.5 | 285.0 | 1.67 | 0.663 |
| -0.5 | 315.0 | 0.919 | 0.388 |
| -0.5 | 345.0 | 0.666 | 0.193 |
| -0.3 | 15.0 | 0.783 | 0.216 |
| -0.3 | 45.0 | 1.96 | 0.656 |
| -0.3 | 75.0 | 1.28 | 0.372 |
| -0.3 | 105.0 | 1.95 | 0.394 |
| -0.3 | 135.0 | 1.07 | 0.347 |
| -0.3 | 165.0 | 1.22 | 1.49 |
| -0.3 | 195.0 | 5.54 | 7.85 |
| -0.3 | 225.0 | 1.33 | 0.363 |
| -0.3 | 255.0 | 1.68 | 0.359 |
| -0.3 | 285.0 | 0.739 | 0.253 |
| -0.3 | 315.0 | 1.01 | 0.305 |
| -0.3 | 345.0 | 1.34 | 0.338 |
| -0.1 | 15.0 | 1.02 | 0.355 |
| -0.1 | 45.0 | 0.896 | 0.322 |
| -0.1 | 75.0 | 1.21 | 0.306 |
| -0.1 | 105.0 | 2.43 | 0.444 |
| -0.1 | 135.0 | 2.74 | 1.08 |
| -0.1 | 225.0 | 1.24 | 0.454 |
| -0.1 | 255.0 | 2.6 | 0.474 |
| -0.1 | 285.0 | 1.13 | 0.282 |
| -0.1 | 315.0 | 1.06 | 0.395 |
| -0.1 | 345.0 | 0.61 | 0.213 |
| 0.1 | 15.0 | 0.517 | 0.233 |
| 0.1 | 45.0 | 1.75 | 0.646 |
| 0.1 | 75.0 | 1.84 | 0.367 |
| 0.1 | 105.0 | 1.81 | 0.391 |
| 0.1 | 135.0 | 3.23 | 1.51 |
| 0.1 | 165.0 | 9.46 | 7.94 |
| 0.1 | 195.0 | 9.27 | 10.7 |
| 0.1 | 225.0 | 1.25 | 0.51 |
| 0.1 | 255.0 | 2.95 | 0.569 |
| 0.1 | 285.0 | 1.98 | 0.411 |
| 0.1 | 315.0 | 2.16 | 0.712 |
| 0.1 | 345.0 | 0.391 | 0.241 |
| 0.3 | 15.0 | 0.477 | 0.237 |
| 0.3 | 45.0 | 1.23 | 0.423 |
| 0.3 | 75.0 | 1.22 | 0.274 |
| 0.3 | 105.0 | 1.25 | 0.309 |
| 0.3 | 135.0 | 1.36 | 0.68 |
| 0.3 | 165.0 | 0.853 | 0.384 |
| 0.3 | 195.0 | 1.39 | 0.553 |
| 0.3 | 225.0 | 1.3 | 0.618 |
| 0.3 | 255.0 | 1.29 | 0.312 |
| 0.3 | 285.0 | 1.15 | 0.24 |
| 0.3 | 315.0 | 0.362 | 0.189 |
| 0.3 | 345.0 | 0.837 | 0.351 |
| 0.5 | 15.0 | 0.303 | 0.145 |
| 0.5 | 45.0 | 0.825 | 0.386 |
| 0.5 | 75.0 | 0.696 | 0.182 |
| 0.5 | 105.0 | 1.59 | 0.365 |
| 0.5 | 135.0 | 1.44 | 0.588 |
| 0.5 | 165.0 | 1.21 | 0.557 |
| 0.5 | 195.0 | 0.545 | 0.191 |
| 0.5 | 225.0 | 1.04 | 0.384 |
| 0.5 | 255.0 | 1.7 | 0.446 |
| 0.5 | 285.0 | 1.26 | 0.288 |
| 0.5 | 315.0 | 3.18 | 1.23 |
| 0.5 | 345.0 | 0.18 | 0.11 |
| 0.7 | 15.0 | 0.604 | 0.231 |
| 0.7 | 45.0 | 0.749 | 0.286 |
| 0.7 | 75.0 | 0.87 | 0.243 |
| 0.7 | 105.0 | 1.0 | 0.297 |
| 0.7 | 135.0 | 2.07 | 0.965 |
| 0.7 | 165.0 | 1.39 | 0.642 |
| 0.7 | 195.0 | 0.7 | 0.374 |
| 0.7 | 225.0 | 1.43 | 0.526 |
| 0.7 | 255.0 | 0.808 | 0.255 |
| 0.7 | 285.0 | 0.861 | 0.215 |
| 0.7 | 315.0 | 1.4 | 0.581 |
| 0.7 | 345.0 | 1.06 | 0.479 |
| 0.9 | 15.0 | 0.336 | 0.144 |
| 0.9 | 45.0 | 0.914 | 0.514 |
| 0.9 | 75.0 | 1.01 | 0.346 |
| 0.9 | 105.0 | 0.248 | 0.13 |
| 0.9 | 165.0 | 0.837 | 0.705 |
| 0.9 | 225.0 | 0.508 | 0.332 |
| 0.9 | 255.0 | 0.647 | 0.21 |
| 0.9 | 285.0 | 0.576 | 0.201 |
| 0.9 | 315.0 | 0.284 | 0.175 |
| 0.9 | 345.0 | 1.08 | 0.493 |
Experiment comment: