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Generalized Polarizabilities of the Nucleon in Chiral Effective Theories
T. R. Hemmert, B. R. Holstein, G. Knoechlein +1
Using the techniques of chiral effective field theories we evaluate the so called generalized polarizabilities of the nucleon, which characterize the structure dependent components…
Low-energy and low-momentum representation of the virtual Compton scattering amplitude
D. Drechsel, G. Knoechlein, A. Yu. Korchin +2
We perform an expansion of the virtual Compton scattering amplitude for low energies and low momenta and show that this expansion covers the transition from the regime to be invest…
Compton Scattering and the Spin Structure of the Nucleon at Low Energies
Thomas R. Hemmert, Barry R. Holstein, Joachim Kambor +1
We analyze polarized Compton scattering which provides information on the spin-structure of the nucleon. For scattering processes with photon energies up to 100 MeV the spin-struct…
Generalized Polarizabilities and the Chiral Structure of the Nucleon
Thomas R. Hemmert, Barry R. Holstein, Germar Knoechlein +1
We are studying the electron scattering process e p to e' p' gamma in order to obtain information on the genuine virtual Compton scattering (VCS) process gamma^* N to gamma N. In a…
Structure analysis of the virtual Compton scattering amplitude at low energies
D. Drechsel, G. Knoechlein, A. Yu. Korchin +2
We analyze virtual Compton scattering off the nucleon at low energies in a covariant, model-independent formalism. We define a set of invariant functions which, once the irregular…
Generalized polarizabilities and the spin-averaged amplitude in virtual Compton scattering off the nucleon
D. Drechsel, G. Knoechlein, A. Metz +1
We discuss the low-energy behavior of the spin-averaged amplitude of virtual Compton scattering (VCS) off a nucleon. Based on gauge invariance, Lorentz invariance and the discrete…
Virtual Compton Scattering off the Nucleon in Chiral Perturbation Theory
Thomas R. Hemmert, Barry R. Holstein, Germar Knoechlein +1
We investigate the spin-independent part of the virtual Compton scattering (VCS) amplitude off the nucleon within the framework of chiral perturbation theory. We perform a consiste…