S-wave Kpi scattering in chiral perturbation theory with resonances

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dc.creatorJamin, Matthias
dc.creatorOller, Jose Antonio
dc.creatorPich, Antonio
dc.date2000-06-05
dc.date.accessioned2026-07-07T10:32:40Z
dc.date.available2026-07-07T10:32:40Z
dc.descriptionWe present a detailed analysis of S-wave Kpi scattering up to 2 GeV, making use of the resonance chiral Lagrangian predictions together with a suitable unitarisation method. Our approach incorporates known theoretical constraints at low and high energies. The present experimental status, with partly conflicting data from different experiments, is discussed. Our analysis allows to resolve some experimental ambiguities, but better data are needed in order to determine the cross-section in the higher-energy range. Our best fits are used to determine the masses and widths of the relevant scalar resonances in this energy region.
dc.description40 pages, 6 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0006045
dc.identifierhttp://arxiv.org/abs/hep-ph/0006045
dc.identifierNucl.Phys.B587:331-362,2000
dc.identifierdoi:10.1016/S0550-3213(00)00479-X
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178832
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.subjectNuclear Experiment
dc.subjectNuclear Theory
dc.titleS-wave Kpi scattering in chiral perturbation theory with resonances
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