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Spectral-fluctuations test of the quark-model baryon spectrum

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dc.contributor.authorFernández Ramírez, César
dc.contributor.authorRelaño, A.
dc.date.accessioned2024-12-09T12:09:34Z
dc.date.available2024-12-09T12:09:34Z
dc.date.issued2007-02-08
dc.descriptionThis is an Accepted Manuscript of an article published by American Physical Society in "Physical Review Letters, 98(6)", available at: https://doi.org/10.1103/PhysRevLett.98.062001
dc.descriptionEste es el manuscrito aceptado del artículo publicado por American Physical Society en "Physical Review Letters, 98(6)", disponible en línea: https://doi.org/10.1103/PhysRevLett.98.062001
dc.description.abstractWe study the low-lying baryon spectrum (up to 2.2 GeV) provided by experiments and different quark models using statistical tools which allow us to postulate the existence of missing levels in spectra. We confirm that the experimental spectrum is compatible with random matrix theory, the paradigmatic model of quantum chaos, and we find that the quark models are more similar to a Poisson distribution, which is not compatible with what should be expected in a correlated spectrum. From our analysis it stems that the spectral fluctuation properties of quark-model spectra are incompatible with experimental data. This result can be used to enlighten the problem of missing resonances.en
dc.description.versionversión final
dc.identifier.citationFernández-Ramírez, & Relaño. (2007). Spectral-fluctuations test of the quark-model baryon spectrum. Physical Review Letters, 98(6). https://doi.org/10.1103/PHYSREVLETT.98.062001
dc.identifier.doihttps://doi.org/10.1103/PhysRevLett.98.062001
dc.identifier.issn1079-7114, 0031-9007
dc.identifier.urihttps://hdl.handle.net/20.500.14468/24759
dc.journal.issue6
dc.journal.titlePhysical Review Letters
dc.journal.volume98
dc.language.isoen
dc.publisherAmerican Physical Society
dc.relation.centerFacultades y escuelas::Facultad de Ciencias
dc.relation.departmentFísica Interdisciplinar
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.es
dc.titleSpectral-fluctuations test of the quark-model baryon spectrumen
dc.typeartículoes
dc.typejournal articleen
dspace.entity.typePublication
relation.isAuthorOfPublication66882618-d034-433a-bfcf-670b00bc6adf
relation.isAuthorOfPublication.latestForDiscovery66882618-d034-433a-bfcf-670b00bc6adf
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