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The model dependence of m_\varrho / fπ

2019/12/09 by Dániel Nógrádi, Nogradi, Daniel, Lőrinc Szikszai +1 · 1 citation
Physics and Astronomy · #Atomic and Subatomic Physics Research #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High Energy Physics - Phenomenology (hep-ph) #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions

paper · doi:10.48550/arxiv.1912.04114

openalex publication_date 2019/12/09 · openalex created_date 2022/07/19 · openalex updated_date 2026/07/28

Abstract

Should a strongly coupled composite Higgs boson scenario be realized in Nature the most easily accessible experimental signal would be new particles made up of the same ingredients as the Higgs but with different quantum numbers. The lightest of these hypothetical new particles would probably be the vector mesons. In this contribution we report results on m_\varrho / fπ in the chiral-continuum limit with SU(3) gauge group and Nf = 2,3,4,5,6 flavors of fundamental fermions. In addition we compare m_\varrho / fπ results from various models with different gauge groups and fermion content. The main conclusion seems to be that the experimental measurement of this vector meson mass will be able to distinguish between gauge groups but less so between the fermion content.

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