Complementarity between Gauge-Boson Compositeness and Asymptotic Freedom

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We derive and solve the compositeness condition for the SU(N_c) gauge boson at the next-to-leading order in 1/N_f (N_f is the number of flavors) and the leading order in ln(Λ^2) (Λis the compositeness scale) to obtain an expression for the gauge coupling constant in terms of the compositeness scale. It turns out that the argument of gauge-boson compositeness (with a large Λ) is successful only when N_f/N_c>11/2, in which the asymptotic freedom fails.
5 pages, revtex

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/149065

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/9708242
 http://arxiv.org/abs/hep-ph/9708242

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arXiv