Measurement E9M149
| 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: | 1.46 GeV | |
| ε: | 0.447 | |
| 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. |
|---|---|---|---|---|
| -0.5 | 45.0 | 2.57 | 2.88 | None |
| -0.5 | 135.0 | 5.34 | 6.57 | None |
| -0.3 | 45.0 | 3.44 | 4.23 | None |
| -0.3 | 135.0 | 8.19 | 11.6 | None |
| -0.3 | 315.0 | 2.19 | 2.41 | None |
| -0.3 | 345.0 | 1.66 | 1.92 | None |
| -0.1 | 75.0 | 3.55 | 2.99 | None |
| -0.1 | 135.0 | 3.83 | 4.7 | None |
| -0.1 | 255.0 | 3.37 | 3.9 | None |
| -0.1 | 285.0 | 6.67 | 5.8 | None |
| -0.1 | 315.0 | 1.88 | 1.46 | None |
| 0.1 | 45.0 | 0.987 | 0.754 | None |
| 0.1 | 75.0 | 3.85 | 4.72 | None |
| 0.1 | 105.0 | 3.14 | 3.52 | None |
| 0.1 | 255.0 | 1.62 | 1.78 | None |
| 0.3 | 15.0 | 7.03 | 9.97 | None |
| 0.3 | 45.0 | 2.4 | 1.92 | None |
| 0.3 | 225.0 | 5.76 | 8.15 | None |
| 0.3 | 285.0 | 4.2 | 3.1 | None |
| 0.5 | 75.0 | 4.31 | 3.96 | None |
| 0.5 | 105.0 | 12.5 | 15.4 | None |
| 0.5 | 135.0 | 12.1 | 14.8 | None |
| 0.5 | 255.0 | 2.53 | 3.11 | None |
| 0.5 | 345.0 | 2.72 | 3.34 | None |
| 0.7 | 105.0 | 2.34 | 3.32 | None |
| 0.7 | 135.0 | 2.07 | 2.54 | None |
| 0.7 | 255.0 | 1.35 | 1.57 | None |
| 0.7 | 285.0 | 3.12 | 3.85 | None |
Experiment comment: