Measurement E9M257
| 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: | 1.16 GeV | |
| ε: | 0.791 | |
| 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 | 3.06 | 1.06 |
| -0.9 | 45.0 | 1.32 | 0.446 |
| -0.9 | 75.0 | 2.28 | 0.657 |
| -0.9 | 105.0 | 2.35 | 0.817 |
| -0.9 | 135.0 | 0.989 | 0.312 |
| -0.9 | 165.0 | 1.08 | 0.312 |
| -0.9 | 195.0 | 1.1 | 0.359 |
| -0.9 | 225.0 | 2.08 | 0.566 |
| -0.9 | 255.0 | 2.61 | 0.797 |
| -0.9 | 285.0 | 2.02 | 0.525 |
| -0.9 | 315.0 | 2.08 | 0.717 |
| -0.9 | 345.0 | 1.37 | 0.431 |
| -0.7 | 15.0 | 2.4 | 0.665 |
| -0.7 | 45.0 | 4.43 | 1.16 |
| -0.7 | 75.0 | 2.63 | 0.688 |
| -0.7 | 105.0 | 1.58 | 0.4 |
| -0.7 | 135.0 | 1.1 | 0.312 |
| -0.7 | 165.0 | 1.43 | 0.401 |
| -0.7 | 195.0 | 1.77 | 0.513 |
| -0.7 | 225.0 | 3.76 | 0.828 |
| -0.7 | 255.0 | 2.53 | 0.685 |
| -0.7 | 285.0 | 2.62 | 0.633 |
| -0.7 | 315.0 | 0.96 | 0.272 |
| -0.7 | 345.0 | 1.37 | 0.401 |
| -0.5 | 15.0 | 1.48 | 0.438 |
| -0.5 | 45.0 | 1.42 | 0.397 |
| -0.5 | 75.0 | 1.29 | 0.389 |
| -0.5 | 105.0 | 4.08 | 1.03 |
| -0.5 | 135.0 | 1.97 | 0.49 |
| -0.5 | 165.0 | 1.82 | 0.428 |
| -0.5 | 195.0 | 1.72 | 0.404 |
| -0.5 | 225.0 | 2.23 | 0.56 |
| -0.5 | 255.0 | 2.1 | 0.53 |
| -0.5 | 285.0 | 1.85 | 0.454 |
| -0.5 | 315.0 | 1.04 | 0.316 |
| -0.5 | 345.0 | 1.31 | 0.314 |
| -0.3 | 15.0 | 3.39 | 0.827 |
| -0.3 | 45.0 | 1.81 | 0.45 |
| -0.3 | 75.0 | 2.66 | 0.605 |
| -0.3 | 105.0 | 2.73 | 0.617 |
| -0.3 | 135.0 | 3.02 | 0.604 |
| -0.3 | 165.0 | 1.73 | 0.427 |
| -0.3 | 195.0 | 3.08 | 0.662 |
| -0.3 | 225.0 | 1.63 | 0.365 |
| -0.3 | 255.0 | 1.72 | 0.463 |
| -0.3 | 285.0 | 1.75 | 0.488 |
| -0.3 | 315.0 | 3.13 | 0.738 |
| -0.3 | 345.0 | 1.48 | 0.396 |
| -0.1 | 15.0 | 1.24 | 0.37 |
| -0.1 | 45.0 | 1.51 | 0.413 |
| -0.1 | 75.0 | 1.91 | 0.459 |
| -0.1 | 105.0 | 3.19 | 0.702 |
| -0.1 | 135.0 | 2.49 | 0.523 |
| -0.1 | 165.0 | 2.56 | 0.529 |
| -0.1 | 195.0 | 2.43 | 0.528 |
| -0.1 | 225.0 | 2.26 | 0.467 |
| -0.1 | 255.0 | 2.68 | 0.627 |
| -0.1 | 285.0 | 2.03 | 0.489 |
| -0.1 | 315.0 | 2.7 | 0.709 |
| -0.1 | 345.0 | 1.57 | 0.38 |
| 0.1 | 15.0 | 1.91 | 0.484 |
| 0.1 | 45.0 | 3.26 | 0.724 |
| 0.1 | 75.0 | 2.62 | 0.59 |
| 0.1 | 105.0 | 3.11 | 0.685 |
| 0.1 | 135.0 | 5.2 | 0.951 |
| 0.1 | 165.0 | 3.79 | 0.768 |
| 0.1 | 195.0 | 3.0 | 0.627 |
| 0.1 | 225.0 | 2.93 | 0.594 |
| 0.1 | 255.0 | 2.93 | 0.605 |
| 0.1 | 285.0 | 3.21 | 0.631 |
| 0.1 | 315.0 | 2.8 | 0.628 |
| 0.1 | 345.0 | 1.28 | 0.333 |
| 0.3 | 15.0 | 1.66 | 0.394 |
| 0.3 | 45.0 | 0.745 | 0.251 |
| 0.3 | 75.0 | 3.76 | 0.89 |
| 0.3 | 105.0 | 2.7 | 0.594 |
| 0.3 | 135.0 | 3.89 | 0.729 |
| 0.3 | 165.0 | 4.09 | 0.747 |
| 0.3 | 195.0 | 6.31 | 1.18 |
| 0.3 | 225.0 | 2.48 | 0.549 |
| 0.3 | 255.0 | 3.04 | 0.677 |
| 0.3 | 285.0 | 3.02 | 0.625 |
| 0.3 | 315.0 | 2.13 | 0.5 |
| 0.3 | 345.0 | 1.5 | 0.37 |
| 0.5 | 15.0 | 1.17 | 0.292 |
| 0.5 | 45.0 | 1.52 | 0.394 |
| 0.5 | 75.0 | 2.95 | 0.649 |
| 0.5 | 105.0 | 4.93 | 1.04 |
| 0.5 | 135.0 | 5.03 | 0.931 |
| 0.5 | 165.0 | 3.81 | 0.664 |
| 0.5 | 195.0 | 2.96 | 0.665 |
| 0.5 | 225.0 | 5.64 | 1.13 |
| 0.5 | 255.0 | 2.35 | 0.567 |
| 0.5 | 285.0 | 2.41 | 0.484 |
| 0.5 | 315.0 | 1.75 | 0.399 |
| 0.5 | 345.0 | 1.53 | 0.378 |
| 0.7 | 15.0 | 1.3 | 0.306 |
| 0.7 | 45.0 | 1.42 | 0.381 |
| 0.7 | 75.0 | 2.13 | 0.48 |
| 0.7 | 105.0 | 3.18 | 0.614 |
| 0.7 | 135.0 | 5.94 | 1.17 |
| 0.7 | 165.0 | 4.5 | 0.83 |
| 0.7 | 195.0 | 4.05 | 0.729 |
| 0.7 | 225.0 | 2.86 | 0.558 |
| 0.7 | 255.0 | 2.19 | 0.476 |
| 0.7 | 285.0 | 2.68 | 0.578 |
| 0.7 | 315.0 | 2.34 | 0.523 |
| 0.7 | 345.0 | 1.58 | 0.43 |
| 0.9 | 15.0 | 2.04 | 0.619 |
| 0.9 | 45.0 | 1.62 | 0.481 |
| 0.9 | 75.0 | 3.06 | 0.721 |
| 0.9 | 105.0 | 3.87 | 1.03 |
| 0.9 | 135.0 | 3.66 | 0.873 |
| 0.9 | 165.0 | 3.71 | 0.826 |
| 0.9 | 195.0 | 3.82 | 0.72 |
| 0.9 | 225.0 | 4.74 | 1.03 |
| 0.9 | 255.0 | 5.11 | 1.32 |
| 0.9 | 285.0 | 2.98 | 0.757 |
| 0.9 | 315.0 | 3.12 | 0.797 |
| 0.9 | 345.0 | 4.1 | 0.999 |
Experiment comment: