Remarks on flavor-changing neutral currents in walking technicolor

V. A. Miransky, S. Peris, S. Raby

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2 Citations (Scopus)

Abstract

We point out that since the running coupling (q2) in walking technicolor (WTC) can be rather strong at the extended technicolor (ETC) scale q2ETC2, the standard consideration of flavor-changing neutral currents (FCNCs) in WTC based on the lowest order in perturbation theory in is not fully conclusive. We reanalyze this problem and conclude that FCNCs can indeed be suppressed in WTC if ETC interactions are chosen in an appropriate way. The crucial point is that the factor of enhancement of the masses of pseudo Goldstone bosons in WTC is just that which is sufficient to suppress FCNCs. FCNCs in the so-called strong ETC are also briefly discussed. © 1993 The American Physical Society.
Original languageEnglish
Pages (from-to)2058-2062
JournalPhysical Review D
Volume47
DOIs
Publication statusPublished - 1 Jan 1993

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