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순수물리이론 연구단
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Vacuum Stability and Triviality Analysis of the Renormalizable Coloron Model

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Title
Vacuum Stability and Triviality Analysis of the Renormalizable Coloron Model
Author(s)
R. Sekhar Chivukula; Arsham Farzinnia; Elizabeth H. Simmons
Publication Date
2015-09
Journal
PHYSICAL REVIEW D, v.92, no.5, pp.055002 -
Publisher
AMER PHYSICAL SOC
Abstract
The renormalizable coloron model is built around a minimally extended color gauge group, which is spontaneously broken to QCD. The formalism introduces massive color-octet vector bosons (col- orons), as well as several new scalars and fermions associated with the symmetry breaking sector. In this paper, we examine vacuum stability and triviality conditions within the context of the renor- malizable coloron model up to a cuto energy scale of 100 TeV, by computing the -functions of all relevant couplings and determining their running behavior as a function of the renormalization scale. We constrain the parameter space of the theory for four separate scenarios based on dier- ing fermionic content, and demonstrate that the vectorial scenarios are less constrained by vacuum stability and triviality bounds than the chiral scenarios. Our results are summarized in exclusion plots for the separate scenarios, with previous bounds on the model overlaid for comparison. We nd that a 100 TeV hadron collider could explore the entire allowed parameter space of the chiral models very eectively.
URI
http://pr.ibs.re.kr/handle/8788114/1898
DOI
10.1103/PhysRevD.92.055002
ISSN
1550-7998
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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