Spectrum of SU(2) lattice gauge theory with two adjoint Dirac flavours

  title={Spectrum of SU(2) lattice gauge theory with two adjoint Dirac flavours},
  author={A. Hietanen and J. Rantaharju and K. Rummukainen and K. Tuominen},
  journal={Journal of High Energy Physics},
  • A. Hietanen, J. Rantaharju, +1 author K. Tuominen
  • Published 2009
  • Physics
  • Journal of High Energy Physics
  • An SU(2) gauge theory with two fermions transforming under the adjoint representation of the gauge group may appear conformal or almost conformal in the infrared. We use lattice simulations to study the spectrum of this theory and present results on the masses of several gauge singlet states as a function of the physical quark mass determined through the axial Ward identity and find indications of a change from chiral symmetry breaking to a phase consistent with conformal behaviour at βL ~ 2… CONTINUE READING
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