2000 character limit reached
Running of the coupling and quark mass in SU(2) with two adjoint fermions
Published 14 Oct 2009 in hep-ph and hep-lat | (0910.2562v1)
Abstract: We simulate SU(2) gauge theory with two massless Dirac fermions in the adjoint representation. We calculate the running of the Schroedinger Functional coupling and the renormalised quark mass over a wide range of length scales. The running of the coupling is consistent with the existence of an infrared fixed point (IRFP), and we find 0.07 < gamma < 0.56 at the IRFP, depending on the value of the critical coupling.
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