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Resonances, chiral symmetry, coupled channel unitarity and effective Lagrangians

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dc.contributor.authorPeláez Sagredo, José Ramón
dc.contributor.authorOller, J. A.
dc.contributor.authorOset,, E.
dc.date.accessioned2023-06-20T20:13:17Z
dc.date.available2023-06-20T20:13:17Z
dc.date.issued2000-07-31
dc.description©Elsevier Science Bv. International Conference on Hadron Spectroscopy (hadron '99) (8. 1999. Beijing, República Popular China)
dc.description.abstractBy means of a coupled channel non-perturbative unitary approach, it is possible to extend the strong constrains of Chiral Perturbation Theory to higher energies. In particular, it is possible to reproduce the lowest lying resonances in meson-meson scattering up to 1.2 GeV using the parameters of the O (p²) and O (p⁴) Chiral Lagrangian. We report on an update of these results examining their possible relevance for meson spectroscopy
dc.description.departmentDepto. de Física Teórica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/35629
dc.identifier.doi10.1016/S0375-9474(00)00224-4
dc.identifier.issn0375-9474
dc.identifier.officialurlhttp://dx.doi.org/10.1016/S0375-9474(00)00224-4
dc.identifier.relatedurlhttp://www.sciencedirect.com
dc.identifier.relatedurlhttp://arxiv.org/abs/hep-ph/9909556
dc.identifier.urihttps://hdl.handle.net/20.500.14352/59872
dc.issue.number1-feb
dc.journal.titleNuclear physics A
dc.language.isoeng
dc.page.final95C
dc.page.initial92C
dc.publisherElsevier Science Bv
dc.rights.accessRightsopen access
dc.subject.cdu51-73
dc.subject.keywordPerturbation-theory
dc.subject.keywordOne-loop
dc.subject.keywordMeson interactions
dc.subject.keywordForm-factors
dc.subject.keywordScattering
dc.subject.keywordUnitarization
dc.subject.keywordAmplitudes
dc.subject.ucmFísica-Modelos matemáticos
dc.subject.ucmFísica matemática
dc.titleResonances, chiral symmetry, coupled channel unitarity and effective Lagrangians
dc.typejournal article
dc.volume.number6675
dcterms.references1. S. Weinberg, Physica A96 (1979) 327. 2. J Gasser annd H. Leutwyler, Ann. Phys. NY 158 (1984) 142; J. Gasser and H. Leutwyler, Nucl. Phys. B250 (1985) 465,517,539. 3. T. N. Truong, Phys. Rev. Lett. 661 (1988) 2526; Phys. Rev. Lett. 67 (1991) 2260; A. Dobado, M.J.Herrero and T.N. Truong, Phys. Lett. B235 (1990) 134 ; A. Dobado and J.R. Peláez,Phys. Rev. D47 4883 (1993); Phys. Rev. D56 (1997) 3057. 4. J.A. Oller, E. Oset and J.R. Peláez, Phys. Rev. Lett. 80 (1998) 3452; Phys. Rev. D59 (1999) 074001. 5. F. Guerrero and J. A. Oller, Nucl. Phys. B537 (1999) 459. 6. J.A. Oller and E. Oset, Nucl. Phys. A620 (1997) 438; erratum Nucl. Phys. A624 (1999) 407. 7. J.A. Oller, E. Oset and J.R. Pel´aez in preparation. 8. G. Ecker, J. Gasser, A. Pich and E.de Rafael, Nucl. Phys. B321 (1989) 311. 9. J.A. Oller and E. Oset, Phys. Rev. D60, 074023 (1999).
dspace.entity.typePublication
relation.isAuthorOfPublication70900239-cb8b-49f3-931f-9dc6a8b7d8d5
relation.isAuthorOfPublication.latestForDiscovery70900239-cb8b-49f3-931f-9dc6a8b7d8d5

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