Invariant Amplitudes for Pion Electroproduction

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dc.creatorPasquini, B.
dc.creatorDrechsel, D.
dc.creatorTiator, L.
dc.date2007-12-14
dc.date.accessioned2026-07-07T11:13:45Z
dc.date.available2026-07-07T11:13:45Z
dc.descriptionThe invariant amplitudes for pion electroproduction on the nucleon are evaluated by dispersion relations at constant t with MAID as input for the imaginary parts of these amplitudes. In the threshold region these amplitudes are confronted with the predictions of several low-energy theorems derived in the soft-pion limit. In general agreement with Chiral Perturbation Theory, the dispersive approach yields large corrections to these theorems because of the finite pion mass.
dc.description18 pages, 8 figures
dc.identifierhttps://arxiv.org/abs/0712.2327
dc.identifierhttp://arxiv.org/abs/0712.2327
dc.identifierEur.Phys.J.A34:387-403,2007
dc.identifierdoi:10.1140/epja/i2007-10510-7
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/191829
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleInvariant Amplitudes for Pion Electroproduction
dc.typetext

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