QCD glueball sum rules revisited

Please use this identifier to cite or link to this item: http://dspace.mediu.edu.my:8181/xmlui/handle/123456789/8510

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DC Field	Value	Language
dc.creator	Forkel Hilmar	-
dc.date	2004	-
dc.date.accessioned	2013-06-01T11:22:15Z	-
dc.date.available	2013-06-01T11:22:15Z	-
dc.date.issued	2013-06-01	-
dc.identifier	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332004000200016	-
dc.identifier	http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=2004&volume=34&issue=1a&spage=229	-
dc.identifier.uri	http://koha.mediu.edu.my:8181/jspui/handle/123456789/8510	-
dc.description	We discuss several key problems of conventional QCD glueball sum rules in the spin-0 channels and show how they are overcome by nonperturbative Wilson coefficients. The nonperturbative contributions originate from direct instantons and, in the pseudoscalar channel, additionally from topological charge screening. The treatment of the direct-instanton sector is based on realistic instanton size distributions and renormalization at the operator scale. The resulting predictions for spin-0 glueball properties as well as their implications for experimental glueball searches are discussed.	-
dc.publisher	Sociedade Brasileira de Física	-
dc.source	Brazilian Journal of Physics	-
dc.title	QCD glueball sum rules revisited	-
Appears in Collections:	Physics and Astronomy

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