pi-pi scattering amplitudes constrained by Roy's equations

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dc.creatorKaminski, R.
dc.creatorLesniak, L.
dc.creatorLoiseau, B.
dc.date2005-10-17
dc.date.accessioned2026-07-07T06:46:42Z
dc.date.available2026-07-07T06:46:42Z
dc.descriptionThe scalar-isoscalar, scalar-isotensor and vector-isovector pi-pi amplitudes have been fitted simultaneously to experimental data and to to Roy's equations. Resulting pi-pi phase shifts up to 1600 MeV and near threshold observables have been analyzed. Only the amplitudes fitted to the "down-flat" set of phase shifts in scalar-isoscalar wave fulfill crossing symmetry conditions and can be regarded as physical.
dc.description4 pages, talk presented at 12th International QCD Conference (QCD05) 4-9th July 2005 Montpellier (France), to appear in Nucl. Phys. B (Proc. Suppl.)
dc.identifierhttps://arxiv.org/abs/hep-ph/0510218
dc.identifierhttp://arxiv.org/abs/hep-ph/0510218
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/103422
dc.subjectHigh Energy Physics - Phenomenology
dc.titlepi-pi scattering amplitudes constrained by Roy's equations
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