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

Francis Bursa, Luigi Del Debbio, Liam Keegan, Claudio Pica, Thomas Pickup

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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 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.
OriginalsprogEngelsk
TidsskriftPhysics Letters B
Vol/bind696
Udgave nummer4
Sider (fra-til)374-379
ISSN0370-2693
DOI
StatusUdgivet - 19. jul. 2010

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