Bakamjian-Thomas mass operator for the few-nucleon system from chiral dynamics

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dc.creatorGirlanda, L.
dc.creatorKlink, W. H.
dc.creatorViviani, M.
dc.date2007-02-07
dc.date2007-09-15
dc.date.accessioned2026-07-07T08:34:31Z
dc.date.available2026-07-07T08:34:31Z
dc.descriptionWe present an exploratory study consisting in the formulation of a relativistic quantum mechanics to describe the few-nucleon system at low energy, starting from the quantum field theoretical chiral Lagrangian involving pions and nucleons. To this aim we construct a Bakamjian-Thomas mass operator and perform a truncation of the Fock space which respects at each stage the relativistic covariance. Such truncation is justified, at sufficiently low energy, in the framework of a systematic chiral expansion. As an illustration we discuss the bound state observables and low-energy phaseshifts of the nucleon-nucleon and pion-nucleon scattering at the leading order of our scheme.
dc.description17 pages, 10 figures. Revised formulation, matches the journal version
dc.identifierhttps://arxiv.org/abs/nucl-th/0702024
dc.identifierhttp://arxiv.org/abs/nucl-th/0702024
dc.identifierPhys.Rev.C76:044002,2007
dc.identifierdoi:10.1103/PhysRevC.76.044002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/139464
dc.subjectNuclear Theory
dc.titleBakamjian-Thomas mass operator for the few-nucleon system from chiral dynamics
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