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Mass anomalous dimension and running of the coupling in SU(2) with six fundamental fermions

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http://www.sciencedirect.com/science/article/pii/S037026931001453X
Original languageEnglish
Pages (from-to)374-379
JournalPhysics Letters B
Volume696
Issue number4
DOIs
Publication statusPublished - 7 Feb 2011

Abstract

We simulate SU(2) gauge theory with six massless fundamental Dirac fermions. We measure the running of the coupling and the mass in the Schrödinger Functional scheme. We observe very slow running of the coupling constant. We measure the mass anomalous dimension γ, and find it is between 0.135 and 1.03 in the range of couplings consistent with the existence of an IR fixed point.

    Research areas

  • Technicolour, Lattice field theory

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