Measurement E9M146
| 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: | 0.7 — 0.8 GeV2 | |
| W: | 1.4 GeV | |
| ε: | 0.518 | |
| 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 | syst. uncert. |
|---|---|---|---|---|
| -0.9 | 45.0 | 0.235 | 0.155 | None |
| -0.9 | 165.0 | 0.804 | 0.935 | None |
| -0.9 | 225.0 | 2.32 | 2.18 | None |
| -0.9 | 255.0 | 0.228 | 0.242 | None |
| -0.9 | 345.0 | 0.334 | 0.333 | None |
| -0.7 | 15.0 | 1.54 | 0.706 | None |
| -0.7 | 45.0 | 0.601 | 0.334 | None |
| -0.7 | 75.0 | 0.601 | 0.46 | None |
| -0.7 | 105.0 | 0.85 | 0.642 | None |
| -0.7 | 135.0 | 3.27 | 2.54 | None |
| -0.7 | 165.0 | 0.319 | 0.335 | None |
| -0.7 | 195.0 | 4.85 | 4.05 | None |
| -0.7 | 225.0 | 3.65 | 2.71 | None |
| -0.7 | 255.0 | 1.97 | 1.28 | None |
| -0.7 | 315.0 | 0.806 | 0.461 | None |
| -0.7 | 345.0 | 0.556 | 0.436 | None |
| -0.5 | 15.0 | 1.96 | 0.946 | None |
| -0.5 | 45.0 | 1.21 | 0.754 | None |
| -0.5 | 75.0 | 2.86 | 1.36 | None |
| -0.5 | 105.0 | 3.36 | 1.8 | None |
| -0.5 | 135.0 | 0.918 | 0.579 | None |
| -0.5 | 165.0 | 18.3 | 22.6 | None |
| -0.5 | 225.0 | 0.354 | 0.365 | None |
| -0.5 | 255.0 | 1.04 | 0.77 | None |
| -0.5 | 285.0 | 1.53 | 0.697 | None |
| -0.5 | 315.0 | 1.22 | 0.589 | None |
| -0.5 | 345.0 | 1.12 | 0.553 | None |
| -0.3 | 15.0 | 1.31 | 0.641 | None |
| -0.3 | 45.0 | 1.51 | 0.692 | None |
| -0.3 | 75.0 | 1.33 | 0.59 | None |
| -0.3 | 105.0 | 2.26 | 1.0 | None |
| -0.3 | 135.0 | 1.92 | 0.776 | None |
| -0.3 | 225.0 | 1.79 | 0.902 | None |
| -0.3 | 255.0 | 2.46 | 1.12 | None |
| -0.3 | 285.0 | 3.97 | 1.52 | None |
| -0.3 | 315.0 | 1.84 | 0.696 | None |
| -0.3 | 345.0 | 0.892 | 0.498 | None |
| -0.1 | 15.0 | 2.58 | 0.992 | None |
| -0.1 | 45.0 | 1.18 | 0.571 | None |
| -0.1 | 75.0 | 1.88 | 0.778 | None |
| -0.1 | 105.0 | 5.94 | 1.79 | None |
| -0.1 | 135.0 | 1.23 | 0.599 | None |
| -0.1 | 225.0 | 0.84 | 0.624 | None |
| -0.1 | 255.0 | 1.58 | 0.716 | None |
| -0.1 | 285.0 | 3.81 | 1.5 | None |
| -0.1 | 315.0 | 1.18 | 0.641 | None |
| -0.1 | 345.0 | 3.1 | 1.29 | None |
| 0.1 | 15.0 | 2.03 | 0.919 | None |
| 0.1 | 45.0 | 1.11 | 0.498 | None |
| 0.1 | 75.0 | 2.11 | 0.695 | None |
| 0.1 | 105.0 | 2.48 | 0.773 | None |
| 0.1 | 135.0 | 0.587 | 0.43 | None |
| 0.1 | 195.0 | 4.3 | 6.1 | None |
| 0.1 | 225.0 | 1.97 | 0.988 | None |
| 0.1 | 255.0 | 1.53 | 0.562 | None |
| 0.1 | 285.0 | 1.71 | 0.821 | None |
| 0.1 | 315.0 | 3.42 | 1.26 | None |
| 0.1 | 345.0 | 1.95 | 0.75 | None |
| 0.3 | 15.0 | 3.05 | 1.07 | None |
| 0.3 | 45.0 | 2.46 | 0.939 | None |
| 0.3 | 75.0 | 0.747 | 0.457 | None |
| 0.3 | 105.0 | 1.6 | 0.673 | None |
| 0.3 | 135.0 | 4.96 | 1.97 | None |
| 0.3 | 225.0 | 2.05 | 0.918 | None |
| 0.3 | 255.0 | 3.78 | 1.36 | None |
| 0.3 | 285.0 | 2.42 | 0.852 | None |
| 0.3 | 315.0 | 1.26 | 0.517 | None |
| 0.3 | 345.0 | 2.96 | 1.25 | None |
| 0.5 | 15.0 | 0.639 | 0.356 | None |
| 0.5 | 45.0 | 1.29 | 0.5 | None |
| 0.5 | 75.0 | 2.26 | 1.06 | None |
| 0.5 | 105.0 | 1.73 | 0.718 | None |
| 0.5 | 135.0 | 1.65 | 0.902 | None |
| 0.5 | 195.0 | 3.4 | 4.82 | None |
| 0.5 | 225.0 | 2.42 | 1.32 | None |
| 0.5 | 255.0 | 1.17 | 0.589 | None |
| 0.5 | 285.0 | 2.42 | 0.956 | None |
| 0.5 | 315.0 | 0.565 | 0.251 | None |
| 0.5 | 345.0 | 3.72 | 1.62 | None |
| 0.7 | 15.0 | 3.54 | 1.49 | None |
| 0.7 | 45.0 | 0.293 | 0.317 | None |
| 0.7 | 75.0 | 2.06 | 1.1 | None |
| 0.7 | 105.0 | 0.57 | 0.276 | None |
| 0.7 | 135.0 | 1.4 | 1.09 | None |
| 0.7 | 225.0 | 1.8 | 1.4 | None |
| 0.7 | 255.0 | 0.888 | 0.532 | None |
| 0.7 | 285.0 | 0.902 | 0.592 | None |
| 0.7 | 315.0 | 0.641 | 0.349 | None |
| 0.7 | 345.0 | 1.07 | 0.428 | None |
| 0.9 | 15.0 | 0.255 | 0.207 | None |
| 0.9 | 45.0 | 0.321 | 0.362 | None |
| 0.9 | 75.0 | 1.27 | 1.18 | None |
| 0.9 | 105.0 | 2.06 | 2.98 | None |
| 0.9 | 135.0 | 0.485 | 0.384 | None |
| 0.9 | 225.0 | 1.31 | 1.64 | None |
| 0.9 | 255.0 | 0.649 | 0.555 | None |
| 0.9 | 285.0 | 0.927 | 0.586 | None |
| 0.9 | 315.0 | 0.636 | 0.433 | None |
Experiment comment: