Mass anomalous dimension in SU(2) with six fundamental fermions

Details Mass anomalous dimension in SU(2) with six fundamental fermions Mass anomalous dimension in SU(2) with six fundamental fermions

2010-07-19

arxiv.org/abs/1007.3067v3

Phys.Lett.B696:374-379,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 4 figures; v3: published version

Scientific paper

10.1016/j.physletb.2010.12.050

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

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