Measurement E9M23
| 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: | 1.54 GeV | |
| ε: | 0.573 | |
| 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 | 0.449 | 0.245 |
| -0.9 | 45.0 | 0.776 | 0.335 |
| -0.9 | 75.0 | 1.62 | 0.719 |
| -0.9 | 105.0 | 0.568 | 0.428 |
| -0.9 | 135.0 | 2.07 | 1.47 |
| -0.9 | 195.0 | 0.649 | 0.401 |
| -0.9 | 225.0 | 0.459 | 0.482 |
| -0.9 | 255.0 | 0.793 | 0.389 |
| -0.9 | 285.0 | 3.01 | 1.34 |
| -0.9 | 315.0 | 0.879 | 0.409 |
| -0.9 | 345.0 | 1.22 | 0.472 |
| -0.7 | 15.0 | 1.26 | 0.344 |
| -0.7 | 45.0 | 1.02 | 0.428 |
| -0.7 | 75.0 | 1.73 | 0.679 |
| -0.7 | 105.0 | 1.55 | 0.438 |
| -0.7 | 135.0 | 2.4 | 0.826 |
| -0.7 | 225.0 | 1.45 | 0.579 |
| -0.7 | 255.0 | 1.17 | 0.37 |
| -0.7 | 285.0 | 1.29 | 0.474 |
| -0.7 | 315.0 | 1.31 | 0.436 |
| -0.7 | 345.0 | 1.26 | 0.363 |
| -0.5 | 15.0 | 0.609 | 0.206 |
| -0.5 | 45.0 | 1.42 | 0.45 |
| -0.5 | 75.0 | 2.96 | 0.667 |
| -0.5 | 105.0 | 3.04 | 0.619 |
| -0.5 | 135.0 | 2.15 | 0.725 |
| -0.5 | 225.0 | 0.815 | 0.29 |
| -0.5 | 255.0 | 2.19 | 0.447 |
| -0.5 | 285.0 | 1.72 | 0.462 |
| -0.5 | 315.0 | 2.75 | 0.716 |
| -0.5 | 345.0 | 1.34 | 0.377 |
| -0.3 | 15.0 | 1.44 | 0.308 |
| -0.3 | 45.0 | 2.28 | 0.579 |
| -0.3 | 75.0 | 3.44 | 0.643 |
| -0.3 | 105.0 | 3.66 | 0.668 |
| -0.3 | 135.0 | 2.53 | 0.914 |
| -0.3 | 165.0 | 1.7 | 0.87 |
| -0.3 | 195.0 | 1.64 | 0.949 |
| -0.3 | 225.0 | 1.83 | 0.711 |
| -0.3 | 255.0 | 2.86 | 0.496 |
| -0.3 | 285.0 | 3.47 | 0.662 |
| -0.3 | 315.0 | 1.64 | 0.463 |
| -0.3 | 345.0 | 1.04 | 0.277 |
| -0.1 | 15.0 | 1.18 | 0.33 |
| -0.1 | 45.0 | 1.57 | 0.42 |
| -0.1 | 75.0 | 2.82 | 0.515 |
| -0.1 | 105.0 | 3.63 | 0.656 |
| -0.1 | 135.0 | 2.01 | 0.556 |
| -0.1 | 165.0 | 2.06 | 0.907 |
| -0.1 | 195.0 | 2.9 | 1.28 |
| -0.1 | 225.0 | 2.29 | 0.89 |
| -0.1 | 255.0 | 4.32 | 0.732 |
| -0.1 | 285.0 | 4.64 | 0.745 |
| -0.1 | 315.0 | 3.32 | 0.729 |
| -0.1 | 345.0 | 2.03 | 0.455 |
| 0.1 | 15.0 | 1.09 | 0.678 |
| 0.1 | 45.0 | 3.05 | 0.81 |
| 0.1 | 75.0 | 3.39 | 0.55 |
| 0.1 | 105.0 | 5.59 | 0.955 |
| 0.1 | 135.0 | 2.63 | 0.576 |
| 0.1 | 165.0 | 0.748 | 0.356 |
| 0.1 | 195.0 | 2.28 | 0.708 |
| 0.1 | 225.0 | 2.39 | 0.578 |
| 0.1 | 255.0 | 4.9 | 0.914 |
| 0.1 | 285.0 | 2.94 | 0.517 |
| 0.1 | 315.0 | 1.96 | 0.516 |
| 0.1 | 345.0 | 1.09 | 0.475 |
| 0.3 | 15.0 | 1.07 | 0.471 |
| 0.3 | 45.0 | 2.27 | 0.624 |
| 0.3 | 75.0 | 3.87 | 0.578 |
| 0.3 | 105.0 | 5.02 | 0.971 |
| 0.3 | 135.0 | 3.23 | 0.667 |
| 0.3 | 165.0 | 2.69 | 1.01 |
| 0.3 | 195.0 | 2.12 | 0.701 |
| 0.3 | 225.0 | 3.24 | 0.669 |
| 0.3 | 255.0 | 4.54 | 0.878 |
| 0.3 | 285.0 | 3.34 | 0.524 |
| 0.3 | 315.0 | 1.66 | 0.481 |
| 0.3 | 345.0 | 2.44 | 0.919 |
| 0.5 | 15.0 | 1.84 | 0.796 |
| 0.5 | 45.0 | 1.91 | 0.518 |
| 0.5 | 75.0 | 2.78 | 0.464 |
| 0.5 | 105.0 | 2.16 | 0.512 |
| 0.5 | 135.0 | 0.888 | 0.274 |
| 0.5 | 165.0 | 0.611 | 0.221 |
| 0.5 | 195.0 | 5.15 | 1.53 |
| 0.5 | 225.0 | 2.75 | 0.588 |
| 0.5 | 255.0 | 2.66 | 0.522 |
| 0.5 | 285.0 | 2.42 | 0.464 |
| 0.5 | 315.0 | 2.31 | 0.629 |
| 0.5 | 345.0 | 2.64 | 1.28 |
| 0.7 | 15.0 | 0.807 | 0.301 |
| 0.7 | 45.0 | 1.57 | 0.446 |
| 0.7 | 75.0 | 2.32 | 0.516 |
| 0.7 | 105.0 | 3.07 | 0.749 |
| 0.7 | 135.0 | 1.41 | 0.387 |
| 0.7 | 165.0 | 1.03 | 0.466 |
| 0.7 | 195.0 | 1.2 | 0.661 |
| 0.7 | 225.0 | 2.46 | 0.617 |
| 0.7 | 255.0 | 1.88 | 0.496 |
| 0.7 | 285.0 | 1.96 | 0.396 |
| 0.7 | 315.0 | 2.19 | 0.665 |
| 0.7 | 345.0 | 2.55 | 0.79 |
| 0.9 | 15.0 | 1.06 | 0.383 |
| 0.9 | 45.0 | 1.06 | 0.464 |
| 0.9 | 75.0 | 1.56 | 0.392 |
| 0.9 | 105.0 | 1.21 | 0.42 |
| 0.9 | 135.0 | 0.796 | 0.331 |
| 0.9 | 165.0 | 0.672 | 0.433 |
| 0.9 | 195.0 | 3.21 | 1.99 |
| 0.9 | 225.0 | 0.668 | 0.327 |
| 0.9 | 255.0 | 0.682 | 0.277 |
| 0.9 | 285.0 | 2.13 | 0.541 |
| 0.9 | 315.0 | 0.777 | 0.331 |
| 0.9 | 345.0 | 1.93 | 0.887 |
Experiment comment: