Running of the coupling and quark mass in SU2 with two adjoint fermions - High Energy Physics - PhenomenologyReportar como inadecuado




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Abstract: We simulate SU2 gauge theory with two massless Dirac fermions in theadjoint representation. We calculate the running of the Schroedinger Functionalcoupling and the renormalised quark mass over a wide range of length scales.The running of the coupling is consistent with the existence of an infraredfixed point IRFP, and we find 0.07 < gamma < 0.56 at the IRFP, depending onthe value of the critical coupling.



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

Fuente: https://arxiv.org/



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