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dc.contributor.author | Bar, O. | - |
dc.contributor.author | Necco, Silvia | - |
dc.contributor.author | Schaefer, S. | - |
dc.date.accessioned | 2009-08-04T10:24:20Z | - |
dc.date.available | 2009-08-04T10:24:20Z | - |
dc.date.issued | 2009-03-02 | - |
dc.identifier.citation | JHEP 0903:006,2009 | en_US |
dc.identifier.issn | 1126-6708 | - |
dc.identifier.uri | http://hdl.handle.net/10261/15647 | - |
dc.description | 31 pages, 2 figures.-- ISI Article Identifier: 000265600800006.-- Printed version published March 2009 .-- ArXiv pre-print avaible at: http://arxiv.org/abs/0812.2403 | en_US |
dc.description.abstract | We study the impact of explicit chiral symmetry breaking of Wilson fermions on mesonic correlators in the is an element of-regime using Wilson chiral perturbation theory (WChPT). We generalize the is an element of-expansion of continuum ChPT to nonzero lattice spacings for various quark mass regimes. It turns out that the corrections due to a nonzero lattice spacing are highly suppressed for typical quark masses of the order a Lambda(2)(QCD). The lattice spacing effects become more pronounced for smaller quark masses and lead to non-trivial corrections of the continuum ChPT results at next-to-leading order. We compute these corrections for the standard current and density correlation functions. A fit to lattice data shows that these corrections are small, as expected. | en_US |
dc.format.extent | 339830 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | en_US |
dc.publisher | Institute of Physics Publishing | en_US |
dc.rights | openAccess | en_US |
dc.subject | Chiral lagrangians | en_US |
dc.subject | Lattice QCD | en_US |
dc.title | The epsilon regime with Wilson fermions | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.1088/1126-6708/2009/03/006 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | http://dx.doi.org/10.1088/1126-6708/2009/03/006 | en_US |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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