Determination of c and b quark masses

Davies, C. (2012) Determination of c and b quark masses. In: 7th International Workshop on the CKM Unitarity Triangle (CKM 2012), Cincinnati, OH, USA, 28 Sept - 2 Oct 2012,

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The determination of quark masses has been transformed in the past few years by accurate results from realistic lattice QCD. This has meant a range of new methods for both b and c quarks which I will describe along with results from continuum techniques. The recent improvement in Lattice QCD actions along with the generation of gluon configurations including sea quarks on fine lattices has given us viable methods for handling heavy quarks with relativistic actions. This has allowed us for the first time to connect the heavy and light sectors through accurate determination of ratios of quark masses, such as m_c/m_s. Such ratios enable us to leverage the accuracy of c and b mass determinations into accurate s and light quark masses. The comparison of quark masses from different methods and formalisms provides a strong test of QCD and the masses themselves are needed in calculations for the cross-sections of various processes at LHC, for example H to bb.

Item Type:Conference Proceedings
Glasgow Author(s) Enlighten ID:Davies, Professor Christine
Authors: Davies, C.
College/School:College of Science and Engineering > School of Physics and Astronomy

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
481951Investigations in Quantum Chromodynamics and Physics Beyond the Standard ModelChristine DaviesScience & Technologies Facilities Council (STFC)ST/G00059X/1P&A - PHYSICS & ASTRONOMY
462271Precision results for particle physics from lattice QCD: Computing resources and software support for the UKQCD physics programme.Christine DaviesScience & Technologies Facilities Council (STFC)ST/H00887X/1P&A - PHYSICS & ASTRONOMY
573721Phenomenology from Lattice QCD and Collider PhysicsChristine DaviesScience & Technologies Facilities Council (STFC)ST/J000442/1P&A - PHYSICS & ASTRONOMY