Fixed-t subtracted dispersion relations are presented for Compton scattering off the nucleon at energies Eγ ≤ 500 MeV, as a formalism to extract the nucleon polarizabilities with a minimum of model dependence. The scalar polarizability difference α - β and the backward spin polarizability γπ enter directly as fit parameters in this formalism.
Fixed-t subtracted dispersion relations for Compton scattering off the nucleon
PASQUINI, BARBARA;
2000-01-01
Abstract
Fixed-t subtracted dispersion relations are presented for Compton scattering off the nucleon at energies Eγ ≤ 500 MeV, as a formalism to extract the nucleon polarizabilities with a minimum of model dependence. The scalar polarizability difference α - β and the backward spin polarizability γπ enter directly as fit parameters in this formalism.File in questo prodotto:
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