Measurement E9M20
| 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: | 0.35 — 0.45 GeV2 | |
| W: | 1.48 GeV | |
| ε: | 0.643 | |
| 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 | 0.264 | 0.164 |
| -0.9 | 45.0 | 0.893 | 0.342 |
| -0.9 | 75.0 | 0.474 | 0.26 |
| -0.9 | 105.0 | 2.91 | 1.72 |
| -0.9 | 135.0 | 0.563 | 0.426 |
| -0.9 | 165.0 | 2.67 | 1.12 |
| -0.9 | 195.0 | 4.25 | 1.88 |
| -0.9 | 225.0 | 3.01 | 1.53 |
| -0.9 | 255.0 | 0.792 | 0.51 |
| -0.9 | 285.0 | 0.661 | 0.299 |
| -0.9 | 315.0 | 0.202 | 0.122 |
| -0.9 | 345.0 | 0.159 | 0.0961 |
| -0.7 | 15.0 | 0.813 | 0.3 |
| -0.7 | 45.0 | 1.41 | 0.523 |
| -0.7 | 75.0 | 2.12 | 0.882 |
| -0.7 | 105.0 | 2.31 | 0.699 |
| -0.7 | 135.0 | 1.93 | 0.824 |
| -0.7 | 195.0 | 2.81 | 3.24 |
| -0.7 | 225.0 | 1.46 | 0.614 |
| -0.7 | 255.0 | 3.94 | 1.07 |
| -0.7 | 285.0 | 4.61 | 1.65 |
| -0.7 | 315.0 | 0.475 | 0.247 |
| -0.7 | 345.0 | 0.977 | 0.31 |
| -0.5 | 15.0 | 0.483 | 0.189 |
| -0.5 | 45.0 | 1.35 | 0.43 |
| -0.5 | 75.0 | 2.78 | 0.786 |
| -0.5 | 105.0 | 3.58 | 0.729 |
| -0.5 | 135.0 | 4.23 | 0.871 |
| -0.5 | 195.0 | 3.86 | 3.34 |
| -0.5 | 225.0 | 4.84 | 1.08 |
| -0.5 | 255.0 | 4.51 | 0.751 |
| -0.5 | 285.0 | 1.89 | 0.667 |
| -0.5 | 315.0 | 1.95 | 0.526 |
| -0.5 | 345.0 | 0.796 | 0.246 |
| -0.3 | 15.0 | 1.56 | 0.34 |
| -0.3 | 45.0 | 2.0 | 0.594 |
| -0.3 | 75.0 | 4.01 | 0.803 |
| -0.3 | 105.0 | 3.28 | 0.562 |
| -0.3 | 135.0 | 4.29 | 0.993 |
| -0.3 | 225.0 | 3.81 | 0.886 |
| -0.3 | 255.0 | 4.05 | 0.627 |
| -0.3 | 285.0 | 3.28 | 0.683 |
| -0.3 | 315.0 | 2.72 | 0.647 |
| -0.3 | 345.0 | 1.53 | 0.342 |
| -0.1 | 15.0 | 2.58 | 0.527 |
| -0.1 | 45.0 | 3.01 | 0.652 |
| -0.1 | 75.0 | 4.89 | 0.816 |
| -0.1 | 105.0 | 5.22 | 0.798 |
| -0.1 | 135.0 | 2.32 | 0.883 |
| -0.1 | 165.0 | 1.73 | 1.31 |
| -0.1 | 195.0 | 0.865 | 0.639 |
| -0.1 | 225.0 | 3.97 | 1.28 |
| -0.1 | 255.0 | 3.48 | 0.558 |
| -0.1 | 285.0 | 3.28 | 0.593 |
| -0.1 | 315.0 | 2.33 | 0.628 |
| -0.1 | 345.0 | 1.54 | 0.358 |
| 0.1 | 15.0 | 2.95 | 0.711 |
| 0.1 | 45.0 | 2.91 | 0.639 |
| 0.1 | 75.0 | 3.42 | 0.564 |
| 0.1 | 105.0 | 4.13 | 0.672 |
| 0.1 | 135.0 | 3.72 | 1.09 |
| 0.1 | 165.0 | 2.32 | 0.975 |
| 0.1 | 195.0 | 3.89 | 1.21 |
| 0.1 | 225.0 | 4.01 | 1.22 |
| 0.1 | 255.0 | 5.36 | 0.851 |
| 0.1 | 285.0 | 3.06 | 0.595 |
| 0.1 | 315.0 | 2.59 | 0.615 |
| 0.1 | 345.0 | 2.17 | 0.623 |
| 0.3 | 15.0 | 2.63 | 0.687 |
| 0.3 | 45.0 | 3.0 | 0.754 |
| 0.3 | 75.0 | 4.12 | 0.683 |
| 0.3 | 105.0 | 4.58 | 0.788 |
| 0.3 | 135.0 | 3.39 | 0.893 |
| 0.3 | 165.0 | 2.83 | 0.946 |
| 0.3 | 195.0 | 2.48 | 0.935 |
| 0.3 | 225.0 | 5.67 | 1.45 |
| 0.3 | 255.0 | 4.8 | 0.906 |
| 0.3 | 285.0 | 3.88 | 0.623 |
| 0.3 | 315.0 | 2.46 | 0.613 |
| 0.3 | 345.0 | 1.59 | 0.406 |
| 0.5 | 15.0 | 2.19 | 0.514 |
| 0.5 | 45.0 | 3.16 | 0.756 |
| 0.5 | 75.0 | 3.46 | 0.614 |
| 0.5 | 105.0 | 2.23 | 0.517 |
| 0.5 | 135.0 | 2.21 | 0.629 |
| 0.5 | 165.0 | 1.02 | 0.414 |
| 0.5 | 195.0 | 2.25 | 0.78 |
| 0.5 | 225.0 | 2.94 | 0.665 |
| 0.5 | 255.0 | 2.67 | 0.561 |
| 0.5 | 285.0 | 2.89 | 0.526 |
| 0.5 | 315.0 | 1.7 | 0.49 |
| 0.5 | 345.0 | 2.51 | 0.604 |
| 0.7 | 15.0 | 3.42 | 0.832 |
| 0.7 | 45.0 | 2.55 | 0.657 |
| 0.7 | 75.0 | 2.95 | 0.561 |
| 0.7 | 105.0 | 2.61 | 0.618 |
| 0.7 | 135.0 | 1.04 | 0.394 |
| 0.7 | 165.0 | 2.85 | 1.06 |
| 0.7 | 195.0 | 1.18 | 0.495 |
| 0.7 | 225.0 | 1.44 | 0.546 |
| 0.7 | 255.0 | 2.81 | 0.609 |
| 0.7 | 285.0 | 2.36 | 0.491 |
| 0.7 | 315.0 | 2.23 | 0.528 |
| 0.7 | 345.0 | 1.58 | 0.379 |
| 0.9 | 15.0 | 3.61 | 1.05 |
| 0.9 | 45.0 | 1.79 | 0.608 |
| 0.9 | 75.0 | 1.64 | 0.416 |
| 0.9 | 105.0 | 1.37 | 0.513 |
| 0.9 | 135.0 | 0.505 | 0.375 |
| 0.9 | 165.0 | 0.451 | 0.467 |
| 0.9 | 195.0 | 0.381 | 0.4 |
| 0.9 | 225.0 | 0.777 | 0.42 |
| 0.9 | 255.0 | 1.3 | 0.459 |
| 0.9 | 285.0 | 2.41 | 0.567 |
| 0.9 | 315.0 | 1.09 | 0.441 |
| 0.9 | 345.0 | 1.54 | 0.48 |
Experiment comment: