Power corrections from decoupling of the charm quark

Decoupling of heavy quarks at low energies can be described by means of an effective theory as shown by S. Weinberg in Ref. [1]. We study the decoupling of the charm quark by lattice simulations. We simulate a model, QCD with two degenerate charm quarks. In this case the leading order term in the ef...

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Bibliographic Details
Main Authors: Francesco Knechtli, Tomasz Korzec, Björn Leder, Graham Moir
Format: Article
Language:English
Published: Elsevier 2017-11-01
Series:Physics Letters B
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269317308377