Instanton effects in heavy lambda masses

dc.creator	Forkel Hilmar
dc.creator	Navarra Fernando S.
dc.creator	Nielsen Marina
dc.date	2001
dc.date.accessioned	2013-05-30T00:41:41Z
dc.date.available	2013-05-30T00:41:41Z
dc.date.issued	2013-05-30
dc.identifier	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332001000100013
dc.identifier	http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=2001&volume=31&issue=1&spage=71
dc.identifier.uri	http://koha.mediu.edu.my:8181/jspui/handle/123456789/3150
dc.description	We calculate the masses of lambdab and lambdac in the framework of QCD sum rules including instanton contributions. We find that these contributions have the same size of the four quark condensate contribution and improve the Borel stability in both Dirac structures of the baryon correlation function.
dc.publisher	Sociedade Brasileira de Física
dc.source	Brazilian Journal of Physics
dc.title	Instanton effects in heavy lambda masses

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