| Spectral-fluctuations test of the quark-model baryon spectrum. | |
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MedLine Citation:
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PMID: 17358933 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We 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. |
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Authors:
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C Fernández-Ramírez; A Relaño |
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Publication Detail:
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Type: Journal Article Date: 2007-02-08 |
Journal Detail:
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Title: Physical review letters Volume: 98 ISSN: 0031-9007 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2007 Feb |
Date Detail:
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Created Date: 2007-03-15 Completed Date: 2007-06-19 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 062001 Citation Subset: - |
Affiliation:
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Instituto de Estructura de la Materia, CSIC, Serrano 123, E-28006 Madrid, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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