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Title

eta-eta '-glueball mixing

AuthorsKiesewetter, Simon; Vento, Vicente
KeywordsGlueball
Bag Model
Mesons
Mixing
Quarks
Issue Date5-Aug-2010
PublisherAmerican Physical Society
CitationPhysical Review - Section D - Particles and Fields 82 (3): 034003 (2010)
AbstractWe have revisited glueball mixing with the pseudoscalar mesons in the MIT bag model scheme. The calculation has been performed in the spherical cavity approximation to the bag using two different fermion propagators, the cavity and the free propagators. We obtain a very small probability of mixing for the eta at the level of $0.04-0.1% and a bigger for the eta' at the level of 4-12%. Our results differ from previous calculations in the same scheme but seem to agree with the experimental analysis. We discuss the origin of our difference which stems from the treatment of our time integrations.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.82.034003
URIhttp://hdl.handle.net/10261/27728
DOI10.1103/PhysRevD.82.034003
ISSN1550-7998
Appears in Collections:(IFIC) Artículos
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