Dispersion Relation Analyses of Pion Form Factor, Chiral Perturbation Theory and Unitarized Calculations

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dc.creatorTruong, Tran N.
dc.date2000-01-26
dc.date2000-04-21
dc.date.accessioned2026-07-07T03:40:41Z
dc.date.available2026-07-07T03:40:41Z
dc.descriptionThe Vector Pion form factor below 1 GeV is analyzed using experimental data on its modulus, the P-wave pion pion phase shifts and dispersion relation. It is found that causality is satisfied. Using dispersion relation, terms proportional to s squared and s cubed are calculated using the experimental data, where s is the momentum transfer. They are much larger than the one-loop and two-loop Chiral Perturbation Theory calculations. Unitarized model calculations agree very well with dispersion relation results.
dc.description10 pages, 4 PostScript figures some minor changes and added references
dc.identifierhttps://arxiv.org/abs/hep-ph/0001271
dc.identifierhttp://arxiv.org/abs/hep-ph/0001271
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/39348
dc.subjectHigh Energy Physics - Phenomenology
dc.titleDispersion Relation Analyses of Pion Form Factor, Chiral Perturbation Theory and Unitarized Calculations
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