Zbb̄ loop correction with charge 2/3 singlet quarks

Wei Shu Hou, Hsien Chung Kao

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Abstract

We calculate the non-universal correction to the Zbb vertex in a simple extension of the Standard Model, where a charge +2/3 isosinglet quark is added to the standard spectrum. Comparison is made with other solutions to Rb (and Rc) that demand particles lighter than Mw.

Original languageEnglish
Pages (from-to)544-550
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume387
Issue number3
DOIs
Publication statusPublished - 1996 Oct 24

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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