Publicação: Dispersion relations and the spin polarizabilities of the nucleon
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A forward dispersion calculation is implemented for the spin polarizabilities γ1, ⋯, γ4 of the proton and the neutron. These polarizabilities are related to the spin structure of the nucleon at low energies and are structure-constants of the Compton scattering amplitude at script O sign(ω3). In the absence of a direct experimental measurement of these quantities, a dispersion calculation serves the purpose of constraining the model building, and of comparing with recent calculations in heavy baryon chiral perturbation theory. © 1998 Elsevier Science B.V.
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Compton scattering, Dispersion relations, Nucleon polarizabilities, Spin content of the nucleon
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Inglês
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Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, v. 420, n. 3-4, p. 248-254, 1998.
