Journal
ANNALS OF PHYSICS
Volume 351, Issue -, Pages 751-772Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.aop.2014.10.002
Keywords
Renormalization; Standard-model Higgs boson; Nambu-Jona-Lasinio model
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Funding
- CNPq
- FAPEMIG
- Fundacao para a Ciencia e Tecnologia, the iniciative QREN - UE/FEDER through COMPETE-Programa Operacional Factores de Competitividade
- EU [283286]
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In this contribution, we present a new perspective on the control of quadratic divergences in quantum field theory, in general, and in the Higgs naturalness problem, in particular. Our discussion is essentially based on an approach where UV divergences are parameterized, after being reduced to basic divergent integrals (BDI) in one internal momentum, as functions of a cutoff and a renormalization group scale A. We illustrate our proposal with well-known examples, such as the gluon vacuum self energy of QCD and the Higgs decay in two photons within this approach. We also discuss frameworks in effective low-energy QCD models, where quadratic divergences are indeed fundamental. (C) 2014 Elsevier Inc. All rights reserved.
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