Measurement E9M60
| 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: | 1.6 — 2.0 GeV2 | |
| W: | 1.1 GeV | |
| ε: | 0.641 | |
| 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 |
|---|---|---|---|
| -0.7 | 135.0 | 0.045 | 0.0614 |
| -0.7 | 225.0 | 0.0943 | 0.122 |
| -0.5 | 165.0 | 0.327 | 0.45 |
| -0.5 | 195.0 | 0.99 | 1.16 |
| -0.5 | 225.0 | 0.57 | 0.88 |
| -0.3 | 105.0 | 0.984 | 1.2 |
| -0.3 | 135.0 | 0.418 | 0.625 |
| -0.3 | 165.0 | 1.1 | 1.14 |
| -0.3 | 225.0 | 1.0 | 1.28 |
| -0.1 | 105.0 | 0.0963 | 0.124 |
| -0.1 | 135.0 | 0.249 | 0.319 |
| -0.1 | 165.0 | 0.131 | 0.149 |
| -0.1 | 195.0 | 1.66 | 1.37 |
| -0.1 | 225.0 | 0.393 | 0.34 |
| -0.1 | 285.0 | 0.0898 | 0.097 |
| 0.1 | 15.0 | 0.51 | 0.504 |
| 0.1 | 165.0 | 0.0351 | 0.0444 |
| 0.1 | 255.0 | 0.0084 | 0.0097 |
| 0.1 | 285.0 | 0.335 | 0.404 |
| 0.3 | 195.0 | 0.788 | 0.673 |
| 0.3 | 255.0 | 0.117 | 0.103 |
| 0.3 | 285.0 | 2.56 | 3.42 |
| 0.3 | 345.0 | 0.197 | 0.239 |
| 0.5 | 15.0 | 0.0514 | 0.063 |
| 0.5 | 45.0 | 0.197 | 0.261 |
| 0.5 | 105.0 | 0.081 | 0.0946 |
| 0.5 | 135.0 | 0.0249 | 0.0289 |
| 0.5 | 165.0 | 1.04 | 0.896 |
| 0.5 | 195.0 | 0.984 | 0.823 |
| 0.5 | 225.0 | 0.0841 | 0.0976 |
| 0.5 | 345.0 | 0.159 | 0.187 |
| 0.7 | 15.0 | 1.03 | 1.31 |
| 0.7 | 105.0 | 0.208 | 0.188 |
| 0.7 | 165.0 | 0.135 | 0.108 |
| 0.7 | 195.0 | 0.232 | 0.281 |
| 0.7 | 255.0 | 0.069 | 0.0682 |
| 0.7 | 285.0 | 0.305 | 0.431 |
| 0.9 | 255.0 | 1.29 | 1.66 |
| 0.9 | 285.0 | 1.24 | 1.78 |
| 0.9 | 345.0 | 0.386 | 0.454 |
Experiment comment: