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Mass anomalous dimension and running of the coupling in SU(2) with six fundamental fermions
Published 5 Oct 2010 in hep-ph and hep-lat | (1010.0901v1)
Abstract: We simulate SU(2) gauge theory with six massless fundamental Dirac fermions. By using the Schr\"odinger Functional method we measure the running of the coupling and the fermion mass over a wide range of length scales. We observe very slow running of the coupling and construct an estimator for the fermion mass anomalous dimension giving $0.135 <\gamma< 1.03$ in the region compatible with an IR fixed point.
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