Measurement E9M274
| 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: | 1.5 GeV | |
| ε: | 0.62 | |
| 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 | 0.205 | 0.0994 |
| -0.9 | 45.0 | 0.388 | 0.175 |
| -0.9 | 75.0 | 0.494 | 0.205 |
| -0.9 | 105.0 | 0.356 | 0.137 |
| -0.9 | 135.0 | 0.541 | 0.207 |
| -0.9 | 165.0 | 0.319 | 0.134 |
| -0.9 | 195.0 | 1.14 | 0.396 |
| -0.9 | 225.0 | 0.343 | 0.194 |
| -0.9 | 255.0 | 0.489 | 0.168 |
| -0.9 | 285.0 | 0.619 | 0.27 |
| -0.9 | 315.0 | 0.288 | 0.111 |
| -0.9 | 345.0 | 0.0572 | 0.0416 |
| -0.7 | 15.0 | 0.492 | 0.142 |
| -0.7 | 45.0 | 0.708 | 0.229 |
| -0.7 | 75.0 | 0.737 | 0.26 |
| -0.7 | 105.0 | 1.81 | 0.599 |
| -0.7 | 135.0 | 1.58 | 0.998 |
| -0.7 | 165.0 | 0.94 | 0.342 |
| -0.7 | 195.0 | 1.09 | 0.448 |
| -0.7 | 225.0 | 0.878 | 0.383 |
| -0.7 | 255.0 | 0.847 | 0.288 |
| -0.7 | 285.0 | 0.938 | 0.286 |
| -0.7 | 315.0 | 0.588 | 0.179 |
| -0.7 | 345.0 | 0.393 | 0.121 |
| -0.5 | 15.0 | 0.765 | 0.242 |
| -0.5 | 45.0 | 1.41 | 0.389 |
| -0.5 | 75.0 | 1.24 | 0.341 |
| -0.5 | 105.0 | 2.76 | 0.693 |
| -0.5 | 135.0 | 1.81 | 0.615 |
| -0.5 | 165.0 | 0.785 | 0.86 |
| -0.5 | 195.0 | 2.57 | 1.51 |
| -0.5 | 225.0 | 2.48 | 1.15 |
| -0.5 | 255.0 | 0.864 | 0.297 |
| -0.5 | 285.0 | 1.86 | 0.491 |
| -0.5 | 315.0 | 1.07 | 0.273 |
| -0.5 | 345.0 | 0.517 | 0.151 |
| -0.3 | 15.0 | 1.31 | 0.464 |
| -0.3 | 45.0 | 1.19 | 0.285 |
| -0.3 | 75.0 | 0.867 | 0.25 |
| -0.3 | 105.0 | 2.22 | 0.497 |
| -0.3 | 135.0 | 1.95 | 0.427 |
| -0.3 | 165.0 | 5.23 | 3.03 |
| -0.3 | 195.0 | 8.14 | 9.98 |
| -0.3 | 225.0 | 1.66 | 0.361 |
| -0.3 | 255.0 | 1.69 | 0.376 |
| -0.3 | 285.0 | 1.45 | 0.336 |
| -0.3 | 315.0 | 1.78 | 0.428 |
| -0.3 | 345.0 | 1.94 | 0.596 |
| -0.1 | 15.0 | 1.73 | 0.509 |
| -0.1 | 45.0 | 1.4 | 0.331 |
| -0.1 | 75.0 | 1.58 | 0.333 |
| -0.1 | 105.0 | 2.22 | 0.4 |
| -0.1 | 135.0 | 3.34 | 0.598 |
| -0.1 | 165.0 | 3.12 | 1.9 |
| -0.1 | 195.0 | 2.44 | 1.12 |
| -0.1 | 225.0 | 2.0 | 0.405 |
| -0.1 | 255.0 | 2.54 | 0.429 |
| -0.1 | 285.0 | 2.55 | 0.47 |
| -0.1 | 315.0 | 2.14 | 0.459 |
| -0.1 | 345.0 | 1.33 | 0.401 |
| 0.1 | 15.0 | 1.33 | 0.386 |
| 0.1 | 45.0 | 1.44 | 0.351 |
| 0.1 | 75.0 | 3.4 | 0.683 |
| 0.1 | 105.0 | 2.93 | 0.439 |
| 0.1 | 135.0 | 1.36 | 0.254 |
| 0.1 | 165.0 | 4.73 | 3.0 |
| 0.1 | 195.0 | 1.77 | 2.04 |
| 0.1 | 225.0 | 2.34 | 0.394 |
| 0.1 | 255.0 | 2.79 | 0.428 |
| 0.1 | 285.0 | 2.28 | 0.392 |
| 0.1 | 315.0 | 1.99 | 0.427 |
| 0.1 | 345.0 | 0.937 | 0.324 |
| 0.3 | 15.0 | 1.19 | 0.317 |
| 0.3 | 45.0 | 1.45 | 0.377 |
| 0.3 | 75.0 | 2.25 | 0.468 |
| 0.3 | 105.0 | 1.69 | 0.287 |
| 0.3 | 135.0 | 1.39 | 0.283 |
| 0.3 | 225.0 | 2.29 | 0.423 |
| 0.3 | 255.0 | 2.0 | 0.309 |
| 0.3 | 285.0 | 2.39 | 0.448 |
| 0.3 | 315.0 | 1.61 | 0.381 |
| 0.3 | 345.0 | 2.29 | 0.568 |
| 0.5 | 15.0 | 1.58 | 0.394 |
| 0.5 | 45.0 | 0.885 | 0.246 |
| 0.5 | 75.0 | 1.83 | 0.405 |
| 0.5 | 105.0 | 2.07 | 0.329 |
| 0.5 | 135.0 | 2.28 | 0.546 |
| 0.5 | 165.0 | 1.07 | 1.19 |
| 0.5 | 225.0 | 1.29 | 0.317 |
| 0.5 | 255.0 | 1.3 | 0.236 |
| 0.5 | 285.0 | 1.52 | 0.328 |
| 0.5 | 315.0 | 1.55 | 0.333 |
| 0.5 | 345.0 | 1.77 | 0.466 |
| 0.7 | 15.0 | 0.727 | 0.249 |
| 0.7 | 45.0 | 0.903 | 0.277 |
| 0.7 | 75.0 | 0.989 | 0.253 |
| 0.7 | 105.0 | 1.41 | 0.294 |
| 0.7 | 135.0 | 0.905 | 0.225 |
| 0.7 | 195.0 | 1.1 | 1.35 |
| 0.7 | 225.0 | 0.842 | 0.221 |
| 0.7 | 255.0 | 1.11 | 0.247 |
| 0.7 | 285.0 | 0.912 | 0.218 |
| 0.7 | 315.0 | 0.652 | 0.227 |
| 0.7 | 345.0 | 1.08 | 0.331 |
| 0.9 | 15.0 | 0.471 | 0.236 |
| 0.9 | 45.0 | 0.431 | 0.194 |
| 0.9 | 75.0 | 0.318 | 0.128 |
| 0.9 | 105.0 | 0.274 | 0.115 |
| 0.9 | 135.0 | 0.456 | 0.169 |
| 0.9 | 195.0 | 0.546 | 0.377 |
| 0.9 | 225.0 | 0.436 | 0.247 |
| 0.9 | 255.0 | 0.874 | 0.299 |
| 0.9 | 285.0 | 0.691 | 0.27 |
| 0.9 | 315.0 | 0.406 | 0.169 |
| 0.9 | 345.0 | 0.339 | 0.139 |
Experiment comment: