Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-02-27
Eur.Phys.J. A11 (2001) 185-208
Physics
High Energy Physics
High Energy Physics - Phenomenology
51 pages, 15 figures
Scientific paper
10.1007/s100500170084
We present in detail a dispersion relation formalism for virtual Compton scattering (VCS) off the proton from threshold into the $\Delta(1232)$-resonance region. Such a formalism can be used as a tool to extract the generalized polarizabilities of the proton from both unpolarized and polarized VCS observables over a larger energy range. We present calculations for existing and forthcoming VCS experiments and demonstrate that the VCS observables in the energy region between pion production threshold and the $\Delta(1232)$-resonance show an enhanced sensitivity to the generalized polarizabilities.
Drechsel Dieter
Gorchtein Mikhail
Metz Andreas
Pasquini Barbara
Vanderhaeghen Marc
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