Abstract
School of Computing and Mathematics, Plymouth, PL4 8AA, UKE-mail: antonio.rago@plymouth.ac.ukWe study the phase diagram of the SU(2) lattice gauge theory with fundamental–adjoint Wilsonplaquette action. We confirm the presence of a first order bulk phase transition and we estimatethe location of its end–point in the bare parameter space. If this point is second order, the theoryis one of the simplest realizations of a lattice gauge theory admitting a continuum limit at finitebare couplings. All the relevant gauge observables are monitored in the vicinity of the fixed pointwith very good control over finite–size effects. The scaling properties of the low–lying glueballspectrum are studied while approaching the end–point in a controlled manner.CERN-PH-TH/2012-295The 30 International Symposium on Lattice Field Theory - Lattice 2012,June 24-29, 2012Cairns, Australia
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