Measurement E9M178
| 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: | 1.38 GeV | |
| ε: | 0.834 | |
| 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 | 0.138 | 0.0837 |
| -0.9 | 45.0 | 1.19 | 0.395 |
| -0.9 | 75.0 | 0.467 | 0.204 |
| -0.9 | 105.0 | 1.16 | 0.417 |
| -0.9 | 135.0 | 0.999 | 0.32 |
| -0.9 | 165.0 | 1.66 | 0.544 |
| -0.9 | 195.0 | 0.795 | 0.339 |
| -0.9 | 225.0 | 0.697 | 0.286 |
| -0.9 | 255.0 | 1.64 | 0.841 |
| -0.9 | 285.0 | 0.757 | 0.351 |
| -0.9 | 315.0 | 0.548 | 0.25 |
| -0.9 | 345.0 | 0.371 | 0.191 |
| -0.7 | 15.0 | 0.916 | 0.294 |
| -0.7 | 45.0 | 1.47 | 0.391 |
| -0.7 | 75.0 | 2.15 | 0.627 |
| -0.7 | 105.0 | 1.45 | 0.511 |
| -0.7 | 135.0 | 0.906 | 0.353 |
| -0.7 | 165.0 | 1.75 | 0.623 |
| -0.7 | 195.0 | 1.93 | 0.639 |
| -0.7 | 225.0 | 2.57 | 0.964 |
| -0.7 | 255.0 | 2.0 | 0.803 |
| -0.7 | 285.0 | 2.88 | 0.774 |
| -0.7 | 315.0 | 0.7 | 0.228 |
| -0.7 | 345.0 | 0.721 | 0.24 |
| -0.5 | 15.0 | 1.33 | 0.307 |
| -0.5 | 45.0 | 1.49 | 0.364 |
| -0.5 | 75.0 | 2.7 | 0.861 |
| -0.5 | 105.0 | 2.62 | 1.33 |
| -0.5 | 135.0 | 5.58 | 5.1 |
| -0.5 | 165.0 | 6.86 | 2.45 |
| -0.5 | 195.0 | 2.34 | 0.69 |
| -0.5 | 225.0 | 4.67 | 2.61 |
| -0.5 | 255.0 | 2.09 | 1.63 |
| -0.5 | 285.0 | 1.81 | 0.594 |
| -0.5 | 315.0 | 2.06 | 0.411 |
| -0.5 | 345.0 | 2.01 | 0.431 |
| -0.3 | 15.0 | 2.36 | 0.415 |
| -0.3 | 45.0 | 2.58 | 0.496 |
| -0.3 | 75.0 | 3.83 | 1.38 |
| -0.3 | 105.0 | 3.18 | 1.2 |
| -0.3 | 135.0 | 3.85 | 2.32 |
| -0.3 | 165.0 | 2.01 | 1.09 |
| -0.3 | 195.0 | 6.69 | 3.04 |
| -0.3 | 225.0 | 2.92 | 1.51 |
| -0.3 | 255.0 | 4.7 | 1.67 |
| -0.3 | 285.0 | 4.32 | 1.47 |
| -0.3 | 315.0 | 1.5 | 0.362 |
| -0.3 | 345.0 | 1.76 | 0.376 |
| -0.1 | 15.0 | 1.24 | 0.289 |
| -0.1 | 45.0 | 3.2 | 0.604 |
| -0.1 | 75.0 | 3.13 | 1.33 |
| -0.1 | 105.0 | 2.85 | 0.685 |
| -0.1 | 135.0 | 4.03 | 1.17 |
| -0.1 | 165.0 | 1.12 | 1.26 |
| -0.1 | 225.0 | 2.99 | 0.753 |
| -0.1 | 255.0 | 4.82 | 1.21 |
| -0.1 | 285.0 | 3.18 | 1.26 |
| -0.1 | 315.0 | 4.24 | 0.785 |
| -0.1 | 345.0 | 1.76 | 0.38 |
| 0.1 | 15.0 | 1.38 | 0.285 |
| 0.1 | 45.0 | 1.94 | 0.479 |
| 0.1 | 75.0 | 4.65 | 1.36 |
| 0.1 | 105.0 | 3.94 | 0.749 |
| 0.1 | 135.0 | 2.71 | 0.617 |
| 0.1 | 165.0 | 0.678 | 0.726 |
| 0.1 | 225.0 | 3.22 | 0.757 |
| 0.1 | 255.0 | 4.21 | 0.88 |
| 0.1 | 285.0 | 3.77 | 1.1 |
| 0.1 | 315.0 | 2.9 | 0.642 |
| 0.1 | 345.0 | 2.64 | 0.494 |
| 0.3 | 15.0 | 1.23 | 0.292 |
| 0.3 | 45.0 | 1.26 | 0.314 |
| 0.3 | 75.0 | 2.68 | 0.809 |
| 0.3 | 105.0 | 2.36 | 0.506 |
| 0.3 | 135.0 | 1.58 | 0.412 |
| 0.3 | 165.0 | 4.52 | 2.35 |
| 0.3 | 195.0 | 1.46 | 0.992 |
| 0.3 | 225.0 | 3.22 | 0.754 |
| 0.3 | 255.0 | 2.71 | 0.574 |
| 0.3 | 285.0 | 3.41 | 0.884 |
| 0.3 | 315.0 | 2.72 | 0.59 |
| 0.3 | 345.0 | 1.4 | 0.297 |
| 0.5 | 15.0 | 1.67 | 0.349 |
| 0.5 | 45.0 | 1.4 | 0.351 |
| 0.5 | 75.0 | 1.47 | 0.497 |
| 0.5 | 105.0 | 4.11 | 0.884 |
| 0.5 | 135.0 | 2.31 | 0.537 |
| 0.5 | 165.0 | 4.97 | 2.93 |
| 0.5 | 195.0 | 2.04 | 1.03 |
| 0.5 | 225.0 | 3.53 | 0.915 |
| 0.5 | 255.0 | 3.14 | 0.642 |
| 0.5 | 285.0 | 2.63 | 0.721 |
| 0.5 | 315.0 | 1.11 | 0.309 |
| 0.5 | 345.0 | 1.48 | 0.3 |
| 0.7 | 15.0 | 1.03 | 0.263 |
| 0.7 | 45.0 | 1.21 | 0.368 |
| 0.7 | 75.0 | 0.561 | 0.25 |
| 0.7 | 105.0 | 2.09 | 0.603 |
| 0.7 | 135.0 | 2.65 | 0.758 |
| 0.7 | 165.0 | 2.95 | 2.41 |
| 0.7 | 225.0 | 0.746 | 0.27 |
| 0.7 | 255.0 | 1.42 | 0.468 |
| 0.7 | 285.0 | 1.75 | 0.686 |
| 0.7 | 315.0 | 0.936 | 0.291 |
| 0.7 | 345.0 | 0.978 | 0.283 |
| 0.9 | 15.0 | 0.96 | 0.328 |
| 0.9 | 45.0 | 0.897 | 0.347 |
| 0.9 | 75.0 | 0.676 | 0.279 |
| 0.9 | 105.0 | 1.2 | 0.597 |
| 0.9 | 135.0 | 2.84 | 1.41 |
| 0.9 | 165.0 | 1.67 | 0.857 |
| 0.9 | 195.0 | 1.47 | 0.997 |
| 0.9 | 225.0 | 1.44 | 0.742 |
| 0.9 | 255.0 | 1.69 | 0.74 |
| 0.9 | 285.0 | 0.8 | 0.38 |
| 0.9 | 315.0 | 0.623 | 0.247 |
| 0.9 | 345.0 | 1.04 | 0.366 |
Experiment comment: