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Effects of non-perturbatively improved dynamical fermions in UKQCD simulations

Irving, Alan C. (2001) Effects of non-perturbatively improved dynamical fermions in UKQCD simulations. Nuclear Physics B - Proceedings Supplements, 94 (1-3). pp. 242-245. ISSN 0920-5632

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Official URL: http://www.elsevier.com/wps/find/journaldescriptio...

Abstract

We present results for QCD with 2 degenerate flavours of quark using a non-perturbatively improved action on a lattice volume of $16^3\times32$ where the bare gauge coupling and bare dynamical quark mass have been chosen to maintain a fixed physical lattice spacing and volume (1.71 fm). By comparing measurements from these matched ensembles, including quenched ones, we find evidence of dynamical quark effects on the short distance static potential, the scalar glueball mass and the topological susceptibility. There is little evidence of effects on the light hadron spectrum over the range of quark masses studied ($m_{\pi}/m_{\rho}\geq 0.60$).

Item Type:Article
Additional Information:LTH 488. arXiv Number: arXiv:hep-lat/0010012v2. Available online 29 April 2002. Issue: March 2001.
Uncontrolled Keywords:LATTICE QCD
Subjects:Q Science > QC Physics
Departments, Research Centres and Related Units:Academic Faculties, Institutes and Research Centres > Faculty of Science > Department of Mathematical Sciences
DOI:10.1016/S0920-5632(01)00965-3
Related URLs:
Refereed:No
Status:Published
ID Code:592
Deposited On:20 Nov 2008 12:30
Last Modified:20 May 2011 09:57

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