Zbb̄ loop correction with charge 2/3 singlet quarks

Wei Shu Hou*, Hsien Chung Kao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


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
Issue number3
Publication statusPublished - 1996 Oct 24
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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